diff --git a/.prettierignore b/.prettierignore
index 26f5c15f..81947cd5 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1 +1,2 @@
 .github
+public/sfu
\ No newline at end of file
diff --git a/app/src/Server.js b/app/src/Server.js
index 2fbbad63..e9b10e9f 100644
--- a/app/src/Server.js
+++ b/app/src/Server.js
@@ -58,7 +58,7 @@ dev dependencies: {
  * @license For commercial or closed source, contact us at license.mirotalk@gmail.com or purchase directly via CodeCanyon
  * @license CodeCanyon: https://codecanyon.net/item/mirotalk-sfu-webrtc-realtime-video-conferences/40769970
  * @author  Miroslav Pejic - miroslav.pejic.85@gmail.com
- * @version 1.7.85
+ * @version 1.7.86
  *
  */
 
diff --git a/package.json b/package.json
index 527efef7..07bc2aa8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mirotalksfu",
-    "version": "1.7.85",
+    "version": "1.7.86",
     "description": "WebRTC SFU browser-based video calls",
     "main": "Server.js",
     "scripts": {
@@ -8,7 +8,7 @@
         "start": "node app/src/Server.js",
         "start-dev": "nodemon app/src/Server.js",
         "debug": "DEBUG='mediasoup*' node app/src/Server.js",
-        "compile": "npx browserify public/sfu/MediasoupClientCompile.js -o public/sfu/MediasoupClient.js",
+        "compile": "npx webpack",
         "lint": "npx prettier --write .",
         "docker-build": "docker build --tag mirotalk/sfu:latest .",
         "docker-rmi": "docker images |grep '<none>' |awk '{print $3}' |xargs docker rmi",
@@ -58,7 +58,7 @@
     },
     "dependencies": {
         "@mattermost/client": "10.6.0",
-        "@sentry/node": "^9.6.1",
+        "@sentry/node": "^9.8.0",
         "axios": "^1.8.4",
         "colors": "1.4.0",
         "compression": "1.8.0",
@@ -79,7 +79,7 @@
         "mediasoup-client": "3.9.2",
         "ngrok": "^5.0.0-beta.2",
         "nodemailer": "^6.10.0",
-        "openai": "^4.88.0",
+        "openai": "^4.89.0",
         "qs": "6.14.0",
         "sanitize-filename": "^1.6.3",
         "socket.io": "4.8.1",
@@ -87,12 +87,17 @@
         "uuid": "11.1.0"
     },
     "devDependencies": {
+        "@babel/core": "^7.26.10",
+        "@babel/preset-env": "^7.26.9",
+        "babel-loader": "^10.0.0",
         "mocha": "^11.1.0",
         "node-fetch": "^3.3.2",
         "nodemon": "^3.1.9",
         "prettier": "3.5.3",
         "proxyquire": "^2.1.3",
         "should": "^13.2.3",
-        "sinon": "^19.0.4"
+        "sinon": "^19.0.4",
+        "webpack": "^5.98.0",
+        "webpack-cli": "^6.0.1"
     }
 }
diff --git a/public/js/Brand.js b/public/js/Brand.js
index 95d845e0..1d8aed0e 100644
--- a/public/js/Brand.js
+++ b/public/js/Brand.js
@@ -64,7 +64,7 @@ let BRAND = {
     },
     about: {
         imageUrl: '../images/mirotalk-logo.gif',
-        title: '<strong>WebRTC SFU v1.7.85</strong>',
+        title: '<strong>WebRTC SFU v1.7.86</strong>',
         html: `
             <button 
                 id="support-button" 
diff --git a/public/js/Room.js b/public/js/Room.js
index 042cb24e..e8d818c2 100644
--- a/public/js/Room.js
+++ b/public/js/Room.js
@@ -11,7 +11,7 @@ if (location.href.substr(0, 5) !== 'https') location.href = 'https' + location.h
  * @license For commercial or closed source, contact us at license.mirotalk@gmail.com or purchase directly via CodeCanyon
  * @license CodeCanyon: https://codecanyon.net/item/mirotalk-sfu-webrtc-realtime-video-conferences/40769970
  * @author  Miroslav Pejic - miroslav.pejic.85@gmail.com
- * @version 1.7.85
+ * @version 1.7.86
  *
  */
 
@@ -5290,7 +5290,7 @@ function showAbout() {
         position: 'center',
         imageUrl: BRAND.about?.imageUrl && BRAND.about.imageUrl.trim() !== '' ? BRAND.about.imageUrl : image.about,
         customClass: { image: 'img-about' },
-        title: BRAND.about?.title && BRAND.about.title.trim() !== '' ? BRAND.about.title : 'WebRTC SFU v1.7.85',
+        title: BRAND.about?.title && BRAND.about.title.trim() !== '' ? BRAND.about.title : 'WebRTC SFU v1.7.86',
         html: `
             <br />
             <div id="about">
diff --git a/public/js/RoomClient.js b/public/js/RoomClient.js
index facfd186..106be53e 100644
--- a/public/js/RoomClient.js
+++ b/public/js/RoomClient.js
@@ -9,7 +9,7 @@
  * @license For commercial or closed source, contact us at license.mirotalk@gmail.com or purchase directly via CodeCanyon
  * @license CodeCanyon: https://codecanyon.net/item/mirotalk-sfu-webrtc-realtime-video-conferences/40769970
  * @author  Miroslav Pejic - miroslav.pejic.85@gmail.com
- * @version 1.7.85
+ * @version 1.7.86
  *
  */
 
diff --git a/public/sfu/MediasoupClient.js b/public/sfu/MediasoupClient.js
index cef60db0..a880a979 100644
--- a/public/sfu/MediasoupClient.js
+++ b/public/sfu/MediasoupClient.js
@@ -1,18207 +1 @@
-(function () {
-    function r(e, n, t) {
-        function o(i, f) {
-            if (!n[i]) {
-                if (!e[i]) {
-                    var c = 'function' == typeof require && require;
-                    if (!f && c) return c(i, !0);
-                    if (u) return u(i, !0);
-                    var a = new Error("Cannot find module '" + i + "'");
-                    throw ((a.code = 'MODULE_NOT_FOUND'), a);
-                }
-                var p = (n[i] = { exports: {} });
-                e[i][0].call(
-                    p.exports,
-                    function (r) {
-                        var n = e[i][1][r];
-                        return o(n || r);
-                    },
-                    p,
-                    p.exports,
-                    r,
-                    e,
-                    n,
-                    t,
-                );
-            }
-            return n[i].exports;
-        }
-        for (var u = 'function' == typeof require && require, i = 0; i < t.length; i++) o(t[i]);
-        return o;
-    }
-    return r;
-})()(
-    {
-        1: [
-            function (require, module, exports) {
-                // shim for using process in browser
-                var process = (module.exports = {});
-
-                // cached from whatever global is present so that test runners that stub it
-                // don't break things.  But we need to wrap it in a try catch in case it is
-                // wrapped in strict mode code which doesn't define any globals.  It's inside a
-                // function because try/catches deoptimize in certain engines.
-
-                var cachedSetTimeout;
-                var cachedClearTimeout;
-
-                function defaultSetTimout() {
-                    throw new Error('setTimeout has not been defined');
-                }
-                function defaultClearTimeout() {
-                    throw new Error('clearTimeout has not been defined');
-                }
-                (function () {
-                    try {
-                        if (typeof setTimeout === 'function') {
-                            cachedSetTimeout = setTimeout;
-                        } else {
-                            cachedSetTimeout = defaultSetTimout;
-                        }
-                    } catch (e) {
-                        cachedSetTimeout = defaultSetTimout;
-                    }
-                    try {
-                        if (typeof clearTimeout === 'function') {
-                            cachedClearTimeout = clearTimeout;
-                        } else {
-                            cachedClearTimeout = defaultClearTimeout;
-                        }
-                    } catch (e) {
-                        cachedClearTimeout = defaultClearTimeout;
-                    }
-                })();
-                function runTimeout(fun) {
-                    if (cachedSetTimeout === setTimeout) {
-                        //normal enviroments in sane situations
-                        return setTimeout(fun, 0);
-                    }
-                    // if setTimeout wasn't available but was latter defined
-                    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
-                        cachedSetTimeout = setTimeout;
-                        return setTimeout(fun, 0);
-                    }
-                    try {
-                        // when when somebody has screwed with setTimeout but no I.E. maddness
-                        return cachedSetTimeout(fun, 0);
-                    } catch (e) {
-                        try {
-                            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
-                            return cachedSetTimeout.call(null, fun, 0);
-                        } catch (e) {
-                            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
-                            return cachedSetTimeout.call(this, fun, 0);
-                        }
-                    }
-                }
-                function runClearTimeout(marker) {
-                    if (cachedClearTimeout === clearTimeout) {
-                        //normal enviroments in sane situations
-                        return clearTimeout(marker);
-                    }
-                    // if clearTimeout wasn't available but was latter defined
-                    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
-                        cachedClearTimeout = clearTimeout;
-                        return clearTimeout(marker);
-                    }
-                    try {
-                        // when when somebody has screwed with setTimeout but no I.E. maddness
-                        return cachedClearTimeout(marker);
-                    } catch (e) {
-                        try {
-                            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
-                            return cachedClearTimeout.call(null, marker);
-                        } catch (e) {
-                            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
-                            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
-                            return cachedClearTimeout.call(this, marker);
-                        }
-                    }
-                }
-                var queue = [];
-                var draining = false;
-                var currentQueue;
-                var queueIndex = -1;
-
-                function cleanUpNextTick() {
-                    if (!draining || !currentQueue) {
-                        return;
-                    }
-                    draining = false;
-                    if (currentQueue.length) {
-                        queue = currentQueue.concat(queue);
-                    } else {
-                        queueIndex = -1;
-                    }
-                    if (queue.length) {
-                        drainQueue();
-                    }
-                }
-
-                function drainQueue() {
-                    if (draining) {
-                        return;
-                    }
-                    var timeout = runTimeout(cleanUpNextTick);
-                    draining = true;
-
-                    var len = queue.length;
-                    while (len) {
-                        currentQueue = queue;
-                        queue = [];
-                        while (++queueIndex < len) {
-                            if (currentQueue) {
-                                currentQueue[queueIndex].run();
-                            }
-                        }
-                        queueIndex = -1;
-                        len = queue.length;
-                    }
-                    currentQueue = null;
-                    draining = false;
-                    runClearTimeout(timeout);
-                }
-
-                process.nextTick = function (fun) {
-                    var args = new Array(arguments.length - 1);
-                    if (arguments.length > 1) {
-                        for (var i = 1; i < arguments.length; i++) {
-                            args[i - 1] = arguments[i];
-                        }
-                    }
-                    queue.push(new Item(fun, args));
-                    if (queue.length === 1 && !draining) {
-                        runTimeout(drainQueue);
-                    }
-                };
-
-                // v8 likes predictible objects
-                function Item(fun, array) {
-                    this.fun = fun;
-                    this.array = array;
-                }
-                Item.prototype.run = function () {
-                    this.fun.apply(null, this.array);
-                };
-                process.title = 'browser';
-                process.browser = true;
-                process.env = {};
-                process.argv = [];
-                process.version = ''; // empty string to avoid regexp issues
-                process.versions = {};
-
-                function noop() {}
-
-                process.on = noop;
-                process.addListener = noop;
-                process.once = noop;
-                process.off = noop;
-                process.removeListener = noop;
-                process.removeAllListeners = noop;
-                process.emit = noop;
-                process.prependListener = noop;
-                process.prependOnceListener = noop;
-
-                process.listeners = function (name) {
-                    return [];
-                };
-
-                process.binding = function (name) {
-                    throw new Error('process.binding is not supported');
-                };
-
-                process.cwd = function () {
-                    return '/';
-                };
-                process.chdir = function (dir) {
-                    throw new Error('process.chdir is not supported');
-                };
-                process.umask = function () {
-                    return 0;
-                };
-            },
-            {},
-        ],
-        2: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.AwaitQueue = void 0;
-                const Logger_1 = require('./Logger');
-                const errors_1 = require('./errors');
-                const logger = new Logger_1.Logger('AwaitQueue');
-                class AwaitQueue {
-                    constructor() {
-                        // Queue of pending tasks (map of PendingTasks indexed by id).
-                        this.pendingTasks = new Map();
-                        // Incrementing PendingTask id.
-                        this.nextTaskId = 0;
-                        // Whether stop() method is stopping all pending tasks.
-                        this.stopping = false;
-                        logger.debug('constructor()');
-                    }
-                    get size() {
-                        return this.pendingTasks.size;
-                    }
-                    async push(task, name) {
-                        name = name ?? task.name;
-                        logger.debug(`push() [name:${name}]`);
-                        if (typeof task !== 'function') {
-                            throw new TypeError('given task is not a function');
-                        }
-                        if (name) {
-                            try {
-                                Object.defineProperty(task, 'name', { value: name });
-                            } catch (error) {}
-                        }
-                        return new Promise((resolve, reject) => {
-                            const pendingTask = {
-                                id: this.nextTaskId++,
-                                task: task,
-                                name: name,
-                                enqueuedAt: Date.now(),
-                                executedAt: undefined,
-                                completed: false,
-                                resolve: (result) => {
-                                    // pendingTask.resolve() can only be called in execute() method. Since
-                                    // resolve() was called it means that the task successfully completed.
-                                    // However the task may have been stopped before it completed (via
-                                    // stop() or remove()) so its completed flag was already set. If this
-                                    // is the case, abort here since next task (if any) is already being
-                                    // executed.
-                                    if (pendingTask.completed) {
-                                        return;
-                                    }
-                                    pendingTask.completed = true;
-                                    // Remove the task from the queue.
-                                    this.pendingTasks.delete(pendingTask.id);
-                                    logger.debug(`resolving task [name:${pendingTask.name}]`);
-                                    // Resolve the task with the obtained result.
-                                    resolve(result);
-                                    // Execute the next pending task (if any).
-                                    const [nextPendingTask] = this.pendingTasks.values();
-                                    // NOTE: During the resolve() callback the user app may have interacted
-                                    // with the queue. For instance, the app may have pushed a task while
-                                    // the queue was empty so such a task is already being executed. If so,
-                                    // don't execute it twice.
-                                    if (nextPendingTask && !nextPendingTask.executedAt) {
-                                        void this.execute(nextPendingTask);
-                                    }
-                                },
-                                reject: (error) => {
-                                    // pendingTask.reject() can be called within execute() method if the
-                                    // task completed with error. However it may have also been called in
-                                    // stop() or remove() methods (before or while being executed) so its
-                                    // completed flag was already set. If so, abort here since next task
-                                    // (if any) is already being executed.
-                                    if (pendingTask.completed) {
-                                        return;
-                                    }
-                                    pendingTask.completed = true;
-                                    // Remove the task from the queue.
-                                    this.pendingTasks.delete(pendingTask.id);
-                                    logger.debug(`rejecting task [name:${pendingTask.name}]: %s`, String(error));
-                                    // Reject the task with the obtained error.
-                                    reject(error);
-                                    // Execute the next pending task (if any) unless stop() is running.
-                                    if (!this.stopping) {
-                                        const [nextPendingTask] = this.pendingTasks.values();
-                                        // NOTE: During the reject() callback the user app may have interacted
-                                        // with the queue. For instance, the app may have pushed a task while
-                                        // the queue was empty so such a task is already being executed. If so,
-                                        // don't execute it twice.
-                                        if (nextPendingTask && !nextPendingTask.executedAt) {
-                                            void this.execute(nextPendingTask);
-                                        }
-                                    }
-                                },
-                            };
-                            // Append task to the queue.
-                            this.pendingTasks.set(pendingTask.id, pendingTask);
-                            // And execute it if this is the only task in the queue.
-                            if (this.pendingTasks.size === 1) {
-                                void this.execute(pendingTask);
-                            }
-                        });
-                    }
-                    stop() {
-                        logger.debug('stop()');
-                        this.stopping = true;
-                        for (const pendingTask of this.pendingTasks.values()) {
-                            logger.debug(`stop() | stopping task [name:${pendingTask.name}]`);
-                            pendingTask.reject(new errors_1.AwaitQueueStoppedError());
-                        }
-                        this.stopping = false;
-                    }
-                    remove(taskIdx) {
-                        logger.debug(`remove() [taskIdx:${taskIdx}]`);
-                        const pendingTask = Array.from(this.pendingTasks.values())[taskIdx];
-                        if (!pendingTask) {
-                            logger.debug(`stop() | no task with given idx [taskIdx:${taskIdx}]`);
-                            return;
-                        }
-                        pendingTask.reject(new errors_1.AwaitQueueRemovedTaskError());
-                    }
-                    dump() {
-                        const now = Date.now();
-                        let idx = 0;
-                        return Array.from(this.pendingTasks.values()).map((pendingTask) => ({
-                            idx: idx++,
-                            task: pendingTask.task,
-                            name: pendingTask.name,
-                            enqueuedTime: pendingTask.executedAt
-                                ? pendingTask.executedAt - pendingTask.enqueuedAt
-                                : now - pendingTask.enqueuedAt,
-                            executionTime: pendingTask.executedAt ? now - pendingTask.executedAt : 0,
-                        }));
-                    }
-                    async execute(pendingTask) {
-                        logger.debug(`execute() [name:${pendingTask.name}]`);
-                        if (pendingTask.executedAt) {
-                            throw new Error('task already being executed');
-                        }
-                        pendingTask.executedAt = Date.now();
-                        try {
-                            const result = await pendingTask.task();
-                            // Resolve the task with its resolved result (if any).
-                            pendingTask.resolve(result);
-                        } catch (error) {
-                            // Reject the task with its rejected error.
-                            pendingTask.reject(error);
-                        }
-                    }
-                }
-                exports.AwaitQueue = AwaitQueue;
-            },
-            { './Logger': 3, './errors': 4 },
-        ],
-        3: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Logger = void 0;
-                const debug = require('debug');
-                const LIB_NAME = 'awaitqueue';
-                class Logger {
-                    constructor(prefix) {
-                        if (prefix) {
-                            this._debug = debug(`${LIB_NAME}:${prefix}`);
-                            this._warn = debug(`${LIB_NAME}:WARN:${prefix}`);
-                            this._error = debug(`${LIB_NAME}:ERROR:${prefix}`);
-                        } else {
-                            this._debug = debug(LIB_NAME);
-                            this._warn = debug(`${LIB_NAME}:WARN`);
-                            this._error = debug(`${LIB_NAME}:ERROR`);
-                        }
-                        /* eslint-disable no-console */
-                        this._debug.log = console.info.bind(console);
-                        this._warn.log = console.warn.bind(console);
-                        this._error.log = console.error.bind(console);
-                        /* eslint-enable no-console */
-                    }
-                    get debug() {
-                        return this._debug;
-                    }
-                    get warn() {
-                        return this._warn;
-                    }
-                    get error() {
-                        return this._error;
-                    }
-                }
-                exports.Logger = Logger;
-            },
-            { debug: 6 },
-        ],
-        4: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.AwaitQueueRemovedTaskError = exports.AwaitQueueStoppedError = void 0;
-                /**
-                 * Custom Error derived class used to reject pending tasks once stop() method
-                 * has been called.
-                 */
-                class AwaitQueueStoppedError extends Error {
-                    constructor(message) {
-                        super(message ?? 'queue stopped');
-                        this.name = 'AwaitQueueStoppedError';
-                        if (typeof Error.captureStackTrace === 'function') {
-                            Error.captureStackTrace(this, AwaitQueueStoppedError);
-                        }
-                    }
-                }
-                exports.AwaitQueueStoppedError = AwaitQueueStoppedError;
-                /**
-                 * Custom Error derived class used to reject pending tasks once removeTask()
-                 * method has been called.
-                 */
-                class AwaitQueueRemovedTaskError extends Error {
-                    constructor(message) {
-                        super(message ?? 'queue task removed');
-                        this.name = 'AwaitQueueRemovedTaskError';
-                        if (typeof Error.captureStackTrace === 'function') {
-                            Error.captureStackTrace(this, AwaitQueueRemovedTaskError);
-                        }
-                    }
-                }
-                exports.AwaitQueueRemovedTaskError = AwaitQueueRemovedTaskError;
-            },
-            {},
-        ],
-        5: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.AwaitQueueRemovedTaskError = exports.AwaitQueueStoppedError = exports.AwaitQueue = void 0;
-                var AwaitQueue_1 = require('./AwaitQueue');
-                Object.defineProperty(exports, 'AwaitQueue', {
-                    enumerable: true,
-                    get: function () {
-                        return AwaitQueue_1.AwaitQueue;
-                    },
-                });
-                var errors_1 = require('./errors');
-                Object.defineProperty(exports, 'AwaitQueueStoppedError', {
-                    enumerable: true,
-                    get: function () {
-                        return errors_1.AwaitQueueStoppedError;
-                    },
-                });
-                Object.defineProperty(exports, 'AwaitQueueRemovedTaskError', {
-                    enumerable: true,
-                    get: function () {
-                        return errors_1.AwaitQueueRemovedTaskError;
-                    },
-                });
-            },
-            { './AwaitQueue': 2, './errors': 4 },
-        ],
-        6: [
-            function (require, module, exports) {
-                (function (process) {
-                    (function () {
-                        /* eslint-env browser */
-
-                        /**
-                         * This is the web browser implementation of `debug()`.
-                         */
-
-                        exports.formatArgs = formatArgs;
-                        exports.save = save;
-                        exports.load = load;
-                        exports.useColors = useColors;
-                        exports.storage = localstorage();
-                        exports.destroy = (() => {
-                            let warned = false;
-
-                            return () => {
-                                if (!warned) {
-                                    warned = true;
-                                    console.warn(
-                                        'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.',
-                                    );
-                                }
-                            };
-                        })();
-
-                        /**
-                         * Colors.
-                         */
-
-                        exports.colors = [
-                            '#0000CC',
-                            '#0000FF',
-                            '#0033CC',
-                            '#0033FF',
-                            '#0066CC',
-                            '#0066FF',
-                            '#0099CC',
-                            '#0099FF',
-                            '#00CC00',
-                            '#00CC33',
-                            '#00CC66',
-                            '#00CC99',
-                            '#00CCCC',
-                            '#00CCFF',
-                            '#3300CC',
-                            '#3300FF',
-                            '#3333CC',
-                            '#3333FF',
-                            '#3366CC',
-                            '#3366FF',
-                            '#3399CC',
-                            '#3399FF',
-                            '#33CC00',
-                            '#33CC33',
-                            '#33CC66',
-                            '#33CC99',
-                            '#33CCCC',
-                            '#33CCFF',
-                            '#6600CC',
-                            '#6600FF',
-                            '#6633CC',
-                            '#6633FF',
-                            '#66CC00',
-                            '#66CC33',
-                            '#9900CC',
-                            '#9900FF',
-                            '#9933CC',
-                            '#9933FF',
-                            '#99CC00',
-                            '#99CC33',
-                            '#CC0000',
-                            '#CC0033',
-                            '#CC0066',
-                            '#CC0099',
-                            '#CC00CC',
-                            '#CC00FF',
-                            '#CC3300',
-                            '#CC3333',
-                            '#CC3366',
-                            '#CC3399',
-                            '#CC33CC',
-                            '#CC33FF',
-                            '#CC6600',
-                            '#CC6633',
-                            '#CC9900',
-                            '#CC9933',
-                            '#CCCC00',
-                            '#CCCC33',
-                            '#FF0000',
-                            '#FF0033',
-                            '#FF0066',
-                            '#FF0099',
-                            '#FF00CC',
-                            '#FF00FF',
-                            '#FF3300',
-                            '#FF3333',
-                            '#FF3366',
-                            '#FF3399',
-                            '#FF33CC',
-                            '#FF33FF',
-                            '#FF6600',
-                            '#FF6633',
-                            '#FF9900',
-                            '#FF9933',
-                            '#FFCC00',
-                            '#FFCC33',
-                        ];
-
-                        /**
-                         * Currently only WebKit-based Web Inspectors, Firefox >= v31,
-                         * and the Firebug extension (any Firefox version) are known
-                         * to support "%c" CSS customizations.
-                         *
-                         * TODO: add a `localStorage` variable to explicitly enable/disable colors
-                         */
-
-                        // eslint-disable-next-line complexity
-                        function useColors() {
-                            // NB: In an Electron preload script, document will be defined but not fully
-                            // initialized. Since we know we're in Chrome, we'll just detect this case
-                            // explicitly
-                            if (
-                                typeof window !== 'undefined' &&
-                                window.process &&
-                                (window.process.type === 'renderer' || window.process.__nwjs)
-                            ) {
-                                return true;
-                            }
-
-                            // Internet Explorer and Edge do not support colors.
-                            if (
-                                typeof navigator !== 'undefined' &&
-                                navigator.userAgent &&
-                                navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)
-                            ) {
-                                return false;
-                            }
-
-                            let m;
-
-                            // Is webkit? http://stackoverflow.com/a/16459606/376773
-                            // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
-                            // eslint-disable-next-line no-return-assign
-                            return (
-                                (typeof document !== 'undefined' &&
-                                    document.documentElement &&
-                                    document.documentElement.style &&
-                                    document.documentElement.style.WebkitAppearance) ||
-                                // Is firebug? http://stackoverflow.com/a/398120/376773
-                                (typeof window !== 'undefined' &&
-                                    window.console &&
-                                    (window.console.firebug || (window.console.exception && window.console.table))) ||
-                                // Is firefox >= v31?
-                                // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
-                                (typeof navigator !== 'undefined' &&
-                                    navigator.userAgent &&
-                                    (m = navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/)) &&
-                                    parseInt(m[1], 10) >= 31) ||
-                                // Double check webkit in userAgent just in case we are in a worker
-                                (typeof navigator !== 'undefined' &&
-                                    navigator.userAgent &&
-                                    navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/))
-                            );
-                        }
-
-                        /**
-                         * Colorize log arguments if enabled.
-                         *
-                         * @api public
-                         */
-
-                        function formatArgs(args) {
-                            args[0] =
-                                (this.useColors ? '%c' : '') +
-                                this.namespace +
-                                (this.useColors ? ' %c' : ' ') +
-                                args[0] +
-                                (this.useColors ? '%c ' : ' ') +
-                                '+' +
-                                module.exports.humanize(this.diff);
-
-                            if (!this.useColors) {
-                                return;
-                            }
-
-                            const c = 'color: ' + this.color;
-                            args.splice(1, 0, c, 'color: inherit');
-
-                            // The final "%c" is somewhat tricky, because there could be other
-                            // arguments passed either before or after the %c, so we need to
-                            // figure out the correct index to insert the CSS into
-                            let index = 0;
-                            let lastC = 0;
-                            args[0].replace(/%[a-zA-Z%]/g, (match) => {
-                                if (match === '%%') {
-                                    return;
-                                }
-                                index++;
-                                if (match === '%c') {
-                                    // We only are interested in the *last* %c
-                                    // (the user may have provided their own)
-                                    lastC = index;
-                                }
-                            });
-
-                            args.splice(lastC, 0, c);
-                        }
-
-                        /**
-                         * Invokes `console.debug()` when available.
-                         * No-op when `console.debug` is not a "function".
-                         * If `console.debug` is not available, falls back
-                         * to `console.log`.
-                         *
-                         * @api public
-                         */
-                        exports.log = console.debug || console.log || (() => {});
-
-                        /**
-                         * Save `namespaces`.
-                         *
-                         * @param {String} namespaces
-                         * @api private
-                         */
-                        function save(namespaces) {
-                            try {
-                                if (namespaces) {
-                                    exports.storage.setItem('debug', namespaces);
-                                } else {
-                                    exports.storage.removeItem('debug');
-                                }
-                            } catch (error) {
-                                // Swallow
-                                // XXX (@Qix-) should we be logging these?
-                            }
-                        }
-
-                        /**
-                         * Load `namespaces`.
-                         *
-                         * @return {String} returns the previously persisted debug modes
-                         * @api private
-                         */
-                        function load() {
-                            let r;
-                            try {
-                                r = exports.storage.getItem('debug');
-                            } catch (error) {
-                                // Swallow
-                                // XXX (@Qix-) should we be logging these?
-                            }
-
-                            // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
-                            if (!r && typeof process !== 'undefined' && 'env' in process) {
-                                r = process.env.DEBUG;
-                            }
-
-                            return r;
-                        }
-
-                        /**
-                         * Localstorage attempts to return the localstorage.
-                         *
-                         * This is necessary because safari throws
-                         * when a user disables cookies/localstorage
-                         * and you attempt to access it.
-                         *
-                         * @return {LocalStorage}
-                         * @api private
-                         */
-
-                        function localstorage() {
-                            try {
-                                // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
-                                // The Browser also has localStorage in the global context.
-                                return localStorage;
-                            } catch (error) {
-                                // Swallow
-                                // XXX (@Qix-) should we be logging these?
-                            }
-                        }
-
-                        module.exports = require('./common')(exports);
-
-                        const { formatters } = module.exports;
-
-                        /**
-                         * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
-                         */
-
-                        formatters.j = function (v) {
-                            try {
-                                return JSON.stringify(v);
-                            } catch (error) {
-                                return '[UnexpectedJSONParseError]: ' + error.message;
-                            }
-                        };
-                    }).call(this);
-                }).call(this, require('_process'));
-            },
-            { './common': 7, _process: 1 },
-        ],
-        7: [
-            function (require, module, exports) {
-                /**
-                 * This is the common logic for both the Node.js and web browser
-                 * implementations of `debug()`.
-                 */
-
-                function setup(env) {
-                    createDebug.debug = createDebug;
-                    createDebug.default = createDebug;
-                    createDebug.coerce = coerce;
-                    createDebug.disable = disable;
-                    createDebug.enable = enable;
-                    createDebug.enabled = enabled;
-                    createDebug.humanize = require('ms');
-                    createDebug.destroy = destroy;
-
-                    Object.keys(env).forEach((key) => {
-                        createDebug[key] = env[key];
-                    });
-
-                    /**
-                     * The currently active debug mode names, and names to skip.
-                     */
-
-                    createDebug.names = [];
-                    createDebug.skips = [];
-
-                    /**
-                     * Map of special "%n" handling functions, for the debug "format" argument.
-                     *
-                     * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
-                     */
-                    createDebug.formatters = {};
-
-                    /**
-                     * Selects a color for a debug namespace
-                     * @param {String} namespace The namespace string for the debug instance to be colored
-                     * @return {Number|String} An ANSI color code for the given namespace
-                     * @api private
-                     */
-                    function selectColor(namespace) {
-                        let hash = 0;
-
-                        for (let i = 0; i < namespace.length; i++) {
-                            hash = (hash << 5) - hash + namespace.charCodeAt(i);
-                            hash |= 0; // Convert to 32bit integer
-                        }
-
-                        return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
-                    }
-                    createDebug.selectColor = selectColor;
-
-                    /**
-                     * Create a debugger with the given `namespace`.
-                     *
-                     * @param {String} namespace
-                     * @return {Function}
-                     * @api public
-                     */
-                    function createDebug(namespace) {
-                        let prevTime;
-                        let enableOverride = null;
-                        let namespacesCache;
-                        let enabledCache;
-
-                        function debug(...args) {
-                            // Disabled?
-                            if (!debug.enabled) {
-                                return;
-                            }
-
-                            const self = debug;
-
-                            // Set `diff` timestamp
-                            const curr = Number(new Date());
-                            const ms = curr - (prevTime || curr);
-                            self.diff = ms;
-                            self.prev = prevTime;
-                            self.curr = curr;
-                            prevTime = curr;
-
-                            args[0] = createDebug.coerce(args[0]);
-
-                            if (typeof args[0] !== 'string') {
-                                // Anything else let's inspect with %O
-                                args.unshift('%O');
-                            }
-
-                            // Apply any `formatters` transformations
-                            let index = 0;
-                            args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
-                                // If we encounter an escaped % then don't increase the array index
-                                if (match === '%%') {
-                                    return '%';
-                                }
-                                index++;
-                                const formatter = createDebug.formatters[format];
-                                if (typeof formatter === 'function') {
-                                    const val = args[index];
-                                    match = formatter.call(self, val);
-
-                                    // Now we need to remove `args[index]` since it's inlined in the `format`
-                                    args.splice(index, 1);
-                                    index--;
-                                }
-                                return match;
-                            });
-
-                            // Apply env-specific formatting (colors, etc.)
-                            createDebug.formatArgs.call(self, args);
-
-                            const logFn = self.log || createDebug.log;
-                            logFn.apply(self, args);
-                        }
-
-                        debug.namespace = namespace;
-                        debug.useColors = createDebug.useColors();
-                        debug.color = createDebug.selectColor(namespace);
-                        debug.extend = extend;
-                        debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
-
-                        Object.defineProperty(debug, 'enabled', {
-                            enumerable: true,
-                            configurable: false,
-                            get: () => {
-                                if (enableOverride !== null) {
-                                    return enableOverride;
-                                }
-                                if (namespacesCache !== createDebug.namespaces) {
-                                    namespacesCache = createDebug.namespaces;
-                                    enabledCache = createDebug.enabled(namespace);
-                                }
-
-                                return enabledCache;
-                            },
-                            set: (v) => {
-                                enableOverride = v;
-                            },
-                        });
-
-                        // Env-specific initialization logic for debug instances
-                        if (typeof createDebug.init === 'function') {
-                            createDebug.init(debug);
-                        }
-
-                        return debug;
-                    }
-
-                    function extend(namespace, delimiter) {
-                        const newDebug = createDebug(
-                            this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace,
-                        );
-                        newDebug.log = this.log;
-                        return newDebug;
-                    }
-
-                    /**
-                     * Enables a debug mode by namespaces. This can include modes
-                     * separated by a colon and wildcards.
-                     *
-                     * @param {String} namespaces
-                     * @api public
-                     */
-                    function enable(namespaces) {
-                        createDebug.save(namespaces);
-                        createDebug.namespaces = namespaces;
-
-                        createDebug.names = [];
-                        createDebug.skips = [];
-
-                        const split = (typeof namespaces === 'string' ? namespaces : '')
-                            .trim()
-                            .replace(' ', ',')
-                            .split(',')
-                            .filter(Boolean);
-
-                        for (const ns of split) {
-                            if (ns[0] === '-') {
-                                createDebug.skips.push(ns.slice(1));
-                            } else {
-                                createDebug.names.push(ns);
-                            }
-                        }
-                    }
-
-                    /**
-                     * Checks if the given string matches a namespace template, honoring
-                     * asterisks as wildcards.
-                     *
-                     * @param {String} search
-                     * @param {String} template
-                     * @return {Boolean}
-                     */
-                    function matchesTemplate(search, template) {
-                        let searchIndex = 0;
-                        let templateIndex = 0;
-                        let starIndex = -1;
-                        let matchIndex = 0;
-
-                        while (searchIndex < search.length) {
-                            if (
-                                templateIndex < template.length &&
-                                (template[templateIndex] === search[searchIndex] || template[templateIndex] === '*')
-                            ) {
-                                // Match character or proceed with wildcard
-                                if (template[templateIndex] === '*') {
-                                    starIndex = templateIndex;
-                                    matchIndex = searchIndex;
-                                    templateIndex++; // Skip the '*'
-                                } else {
-                                    searchIndex++;
-                                    templateIndex++;
-                                }
-                            } else if (starIndex !== -1) {
-                                // eslint-disable-line no-negated-condition
-                                // Backtrack to the last '*' and try to match more characters
-                                templateIndex = starIndex + 1;
-                                matchIndex++;
-                                searchIndex = matchIndex;
-                            } else {
-                                return false; // No match
-                            }
-                        }
-
-                        // Handle trailing '*' in template
-                        while (templateIndex < template.length && template[templateIndex] === '*') {
-                            templateIndex++;
-                        }
-
-                        return templateIndex === template.length;
-                    }
-
-                    /**
-                     * Disable debug output.
-                     *
-                     * @return {String} namespaces
-                     * @api public
-                     */
-                    function disable() {
-                        const namespaces = [
-                            ...createDebug.names,
-                            ...createDebug.skips.map((namespace) => '-' + namespace),
-                        ].join(',');
-                        createDebug.enable('');
-                        return namespaces;
-                    }
-
-                    /**
-                     * Returns true if the given mode name is enabled, false otherwise.
-                     *
-                     * @param {String} name
-                     * @return {Boolean}
-                     * @api public
-                     */
-                    function enabled(name) {
-                        for (const skip of createDebug.skips) {
-                            if (matchesTemplate(name, skip)) {
-                                return false;
-                            }
-                        }
-
-                        for (const ns of createDebug.names) {
-                            if (matchesTemplate(name, ns)) {
-                                return true;
-                            }
-                        }
-
-                        return false;
-                    }
-
-                    /**
-                     * Coerce `val`.
-                     *
-                     * @param {Mixed} val
-                     * @return {Mixed}
-                     * @api private
-                     */
-                    function coerce(val) {
-                        if (val instanceof Error) {
-                            return val.stack || val.message;
-                        }
-                        return val;
-                    }
-
-                    /**
-                     * XXX DO NOT USE. This is a temporary stub function.
-                     * XXX It WILL be removed in the next major release.
-                     */
-                    function destroy() {
-                        console.warn(
-                            'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.',
-                        );
-                    }
-
-                    createDebug.enable(createDebug.load());
-
-                    return createDebug;
-                }
-
-                module.exports = setup;
-            },
-            { ms: 8 },
-        ],
-        8: [
-            function (require, module, exports) {
-                /**
-                 * Helpers.
-                 */
-
-                var s = 1000;
-                var m = s * 60;
-                var h = m * 60;
-                var d = h * 24;
-                var w = d * 7;
-                var y = d * 365.25;
-
-                /**
-                 * Parse or format the given `val`.
-                 *
-                 * Options:
-                 *
-                 *  - `long` verbose formatting [false]
-                 *
-                 * @param {String|Number} val
-                 * @param {Object} [options]
-                 * @throws {Error} throw an error if val is not a non-empty string or a number
-                 * @return {String|Number}
-                 * @api public
-                 */
-
-                module.exports = function (val, options) {
-                    options = options || {};
-                    var type = typeof val;
-                    if (type === 'string' && val.length > 0) {
-                        return parse(val);
-                    } else if (type === 'number' && isFinite(val)) {
-                        return options.long ? fmtLong(val) : fmtShort(val);
-                    }
-                    throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
-                };
-
-                /**
-                 * Parse the given `str` and return milliseconds.
-                 *
-                 * @param {String} str
-                 * @return {Number}
-                 * @api private
-                 */
-
-                function parse(str) {
-                    str = String(str);
-                    if (str.length > 100) {
-                        return;
-                    }
-                    var match =
-                        /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
-                            str,
-                        );
-                    if (!match) {
-                        return;
-                    }
-                    var n = parseFloat(match[1]);
-                    var type = (match[2] || 'ms').toLowerCase();
-                    switch (type) {
-                        case 'years':
-                        case 'year':
-                        case 'yrs':
-                        case 'yr':
-                        case 'y':
-                            return n * y;
-                        case 'weeks':
-                        case 'week':
-                        case 'w':
-                            return n * w;
-                        case 'days':
-                        case 'day':
-                        case 'd':
-                            return n * d;
-                        case 'hours':
-                        case 'hour':
-                        case 'hrs':
-                        case 'hr':
-                        case 'h':
-                            return n * h;
-                        case 'minutes':
-                        case 'minute':
-                        case 'mins':
-                        case 'min':
-                        case 'm':
-                            return n * m;
-                        case 'seconds':
-                        case 'second':
-                        case 'secs':
-                        case 'sec':
-                        case 's':
-                            return n * s;
-                        case 'milliseconds':
-                        case 'millisecond':
-                        case 'msecs':
-                        case 'msec':
-                        case 'ms':
-                            return n;
-                        default:
-                            return undefined;
-                    }
-                }
-
-                /**
-                 * Short format for `ms`.
-                 *
-                 * @param {Number} ms
-                 * @return {String}
-                 * @api private
-                 */
-
-                function fmtShort(ms) {
-                    var msAbs = Math.abs(ms);
-                    if (msAbs >= d) {
-                        return Math.round(ms / d) + 'd';
-                    }
-                    if (msAbs >= h) {
-                        return Math.round(ms / h) + 'h';
-                    }
-                    if (msAbs >= m) {
-                        return Math.round(ms / m) + 'm';
-                    }
-                    if (msAbs >= s) {
-                        return Math.round(ms / s) + 's';
-                    }
-                    return ms + 'ms';
-                }
-
-                /**
-                 * Long format for `ms`.
-                 *
-                 * @param {Number} ms
-                 * @return {String}
-                 * @api private
-                 */
-
-                function fmtLong(ms) {
-                    var msAbs = Math.abs(ms);
-                    if (msAbs >= d) {
-                        return plural(ms, msAbs, d, 'day');
-                    }
-                    if (msAbs >= h) {
-                        return plural(ms, msAbs, h, 'hour');
-                    }
-                    if (msAbs >= m) {
-                        return plural(ms, msAbs, m, 'minute');
-                    }
-                    if (msAbs >= s) {
-                        return plural(ms, msAbs, s, 'second');
-                    }
-                    return ms + ' ms';
-                }
-
-                /**
-                 * Pluralization helper.
-                 */
-
-                function plural(ms, msAbs, n, name) {
-                    var isPlural = msAbs >= n * 1.5;
-                    return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
-                }
-            },
-            {},
-        ],
-        9: [
-            function (require, module, exports) {
-                'use strict';
-                var __importDefault =
-                    (this && this.__importDefault) ||
-                    function (mod) {
-                        return mod && mod.__esModule ? mod : { default: mod };
-                    };
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Logger = void 0;
-                const debug_1 = __importDefault(require('debug'));
-                const APP_NAME = 'h264-profile-level-id';
-                class Logger {
-                    constructor(prefix) {
-                        if (prefix) {
-                            this._debug = (0, debug_1.default)(`${APP_NAME}:${prefix}`);
-                            this._warn = (0, debug_1.default)(`${APP_NAME}:WARN:${prefix}`);
-                            this._error = (0, debug_1.default)(`${APP_NAME}:ERROR:${prefix}`);
-                        } else {
-                            this._debug = (0, debug_1.default)(APP_NAME);
-                            this._warn = (0, debug_1.default)(`${APP_NAME}:WARN`);
-                            this._error = (0, debug_1.default)(`${APP_NAME}:ERROR`);
-                        }
-                        /* eslint-disable no-console */
-                        this._debug.log = console.info.bind(console);
-                        this._warn.log = console.warn.bind(console);
-                        this._error.log = console.error.bind(console);
-                        /* eslint-enable no-console */
-                    }
-                    get debug() {
-                        return this._debug;
-                    }
-                    get warn() {
-                        return this._warn;
-                    }
-                    get error() {
-                        return this._error;
-                    }
-                }
-                exports.Logger = Logger;
-            },
-            { debug: 11 },
-        ],
-        10: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.ProfileLevelId = exports.Level = exports.Profile = void 0;
-                exports.parseProfileLevelId = parseProfileLevelId;
-                exports.profileLevelIdToString = profileLevelIdToString;
-                exports.profileToString = profileToString;
-                exports.levelToString = levelToString;
-                exports.parseSdpProfileLevelId = parseSdpProfileLevelId;
-                exports.isSameProfile = isSameProfile;
-                exports.isSameProfileAndLevel = isSameProfileAndLevel;
-                exports.generateProfileLevelIdStringForAnswer = generateProfileLevelIdStringForAnswer;
-                exports.supportedLevel = supportedLevel;
-                const Logger_1 = require('./Logger');
-                const logger = new Logger_1.Logger();
-                /**
-                 * Supported profiles.
-                 */
-                var Profile;
-                (function (Profile) {
-                    Profile[(Profile['ConstrainedBaseline'] = 1)] = 'ConstrainedBaseline';
-                    Profile[(Profile['Baseline'] = 2)] = 'Baseline';
-                    Profile[(Profile['Main'] = 3)] = 'Main';
-                    Profile[(Profile['ConstrainedHigh'] = 4)] = 'ConstrainedHigh';
-                    Profile[(Profile['High'] = 5)] = 'High';
-                    Profile[(Profile['PredictiveHigh444'] = 6)] = 'PredictiveHigh444';
-                })(Profile || (exports.Profile = Profile = {}));
-                /**
-                 * Supported levels.
-                 */
-                var Level;
-                (function (Level) {
-                    Level[(Level['L1_b'] = 0)] = 'L1_b';
-                    Level[(Level['L1'] = 10)] = 'L1';
-                    Level[(Level['L1_1'] = 11)] = 'L1_1';
-                    Level[(Level['L1_2'] = 12)] = 'L1_2';
-                    Level[(Level['L1_3'] = 13)] = 'L1_3';
-                    Level[(Level['L2'] = 20)] = 'L2';
-                    Level[(Level['L2_1'] = 21)] = 'L2_1';
-                    Level[(Level['L2_2'] = 22)] = 'L2_2';
-                    Level[(Level['L3'] = 30)] = 'L3';
-                    Level[(Level['L3_1'] = 31)] = 'L3_1';
-                    Level[(Level['L3_2'] = 32)] = 'L3_2';
-                    Level[(Level['L4'] = 40)] = 'L4';
-                    Level[(Level['L4_1'] = 41)] = 'L4_1';
-                    Level[(Level['L4_2'] = 42)] = 'L4_2';
-                    Level[(Level['L5'] = 50)] = 'L5';
-                    Level[(Level['L5_1'] = 51)] = 'L5_1';
-                    Level[(Level['L5_2'] = 52)] = 'L5_2';
-                })(Level || (exports.Level = Level = {}));
-                /**
-                 * Represents a parsed h264 profile-level-id value.
-                 */
-                class ProfileLevelId {
-                    constructor(profile, level) {
-                        this.profile = profile;
-                        this.level = level;
-                    }
-                }
-                exports.ProfileLevelId = ProfileLevelId;
-                // Default ProfileLevelId.
-                //
-                // TODO: The default should really be profile Baseline and level 1 according to
-                // the spec: https://tools.ietf.org/html/rfc6184#section-8.1. In order to not
-                // break backwards compatibility with older versions of WebRTC where external
-                // codecs don't have any parameters, use profile ConstrainedBaseline level 3_1
-                // instead. This workaround will only be done in an interim period to allow
-                // external clients to update their code.
-                //
-                // http://crbug/webrtc/6337.
-                const DefaultProfileLevelId = new ProfileLevelId(Profile.ConstrainedBaseline, Level.L3_1);
-                /**
-                 * Class for matching bit patterns such as "x1xx0000" where 'x' is allowed to
-                 * be either 0 or 1.
-                 */
-                class BitPattern {
-                    constructor(str) {
-                        this.mask = ~byteMaskString('x', str);
-                        this.masked_value = byteMaskString('1', str);
-                    }
-                    isMatch(value) {
-                        return this.masked_value === (value & this.mask);
-                    }
-                }
-                /**
-                 * Class for converting between profile_idc/profile_iop to Profile.
-                 */
-                class ProfilePattern {
-                    constructor(profile_idc, profile_iop, profile) {
-                        this.profile_idc = profile_idc;
-                        this.profile_iop = profile_iop;
-                        this.profile = profile;
-                    }
-                }
-                // This is from https://tools.ietf.org/html/rfc6184#section-8.1.
-                const ProfilePatterns = [
-                    new ProfilePattern(0x42, new BitPattern('x1xx0000'), Profile.ConstrainedBaseline),
-                    new ProfilePattern(0x4d, new BitPattern('1xxx0000'), Profile.ConstrainedBaseline),
-                    new ProfilePattern(0x58, new BitPattern('11xx0000'), Profile.ConstrainedBaseline),
-                    new ProfilePattern(0x42, new BitPattern('x0xx0000'), Profile.Baseline),
-                    new ProfilePattern(0x58, new BitPattern('10xx0000'), Profile.Baseline),
-                    new ProfilePattern(0x4d, new BitPattern('0x0x0000'), Profile.Main),
-                    new ProfilePattern(0x64, new BitPattern('00000000'), Profile.High),
-                    new ProfilePattern(0x64, new BitPattern('00001100'), Profile.ConstrainedHigh),
-                    new ProfilePattern(0xf4, new BitPattern('00000000'), Profile.PredictiveHigh444),
-                ];
-                // This is from ITU-T H.264 (02/2016) Table A-1 – Level limits.
-                const LevelConstraints = [
-                    {
-                        max_macroblocks_per_second: 1485,
-                        max_macroblock_frame_size: 99,
-                        level: Level.L1,
-                    },
-                    {
-                        max_macroblocks_per_second: 1485,
-                        max_macroblock_frame_size: 99,
-                        level: Level.L1_b,
-                    },
-                    {
-                        max_macroblocks_per_second: 3000,
-                        max_macroblock_frame_size: 396,
-                        level: Level.L1_1,
-                    },
-                    {
-                        max_macroblocks_per_second: 6000,
-                        max_macroblock_frame_size: 396,
-                        level: Level.L1_2,
-                    },
-                    {
-                        max_macroblocks_per_second: 11880,
-                        max_macroblock_frame_size: 396,
-                        level: Level.L1_3,
-                    },
-                    {
-                        max_macroblocks_per_second: 11880,
-                        max_macroblock_frame_size: 396,
-                        level: Level.L2,
-                    },
-                    {
-                        max_macroblocks_per_second: 19800,
-                        max_macroblock_frame_size: 792,
-                        level: Level.L2_1,
-                    },
-                    {
-                        max_macroblocks_per_second: 20250,
-                        max_macroblock_frame_size: 1620,
-                        level: Level.L2_2,
-                    },
-                    {
-                        max_macroblocks_per_second: 40500,
-                        max_macroblock_frame_size: 1620,
-                        level: Level.L3,
-                    },
-                    {
-                        max_macroblocks_per_second: 108000,
-                        max_macroblock_frame_size: 3600,
-                        level: Level.L3_1,
-                    },
-                    {
-                        max_macroblocks_per_second: 216000,
-                        max_macroblock_frame_size: 5120,
-                        level: Level.L3_2,
-                    },
-                    {
-                        max_macroblocks_per_second: 245760,
-                        max_macroblock_frame_size: 8192,
-                        level: Level.L4,
-                    },
-                    {
-                        max_macroblocks_per_second: 245760,
-                        max_macroblock_frame_size: 8192,
-                        level: Level.L4_1,
-                    },
-                    {
-                        max_macroblocks_per_second: 522240,
-                        max_macroblock_frame_size: 8704,
-                        level: Level.L4_2,
-                    },
-                    {
-                        max_macroblocks_per_second: 589824,
-                        max_macroblock_frame_size: 22080,
-                        level: Level.L5,
-                    },
-                    {
-                        max_macroblocks_per_second: 983040,
-                        max_macroblock_frame_size: 36864,
-                        level: Level.L5_1,
-                    },
-                    {
-                        max_macroblocks_per_second: 2073600,
-                        max_macroblock_frame_size: 36864,
-                        level: Level.L5_2,
-                    },
-                ];
-                /**
-                 * Parse profile level id that is represented as a string of 3 hex bytes.
-                 * Nothing will be returned if the string is not a recognized H264 profile
-                 * level id.
-                 */
-                function parseProfileLevelId(str) {
-                    // For level_idc=11 and profile_idc=0x42, 0x4D, or 0x58, the constraint set3
-                    // flag specifies if level 1b or level 1.1 is used.
-                    const ConstraintSet3Flag = 0x10;
-                    // The string should consist of 3 bytes in hexadecimal format.
-                    if (typeof str !== 'string' || str.length !== 6) {
-                        return undefined;
-                    }
-                    const profile_level_id_numeric = parseInt(str, 16);
-                    if (profile_level_id_numeric === 0) {
-                        return undefined;
-                    }
-                    // Separate into three bytes.
-                    const level_idc = profile_level_id_numeric & 0xff;
-                    const profile_iop = (profile_level_id_numeric >> 8) & 0xff;
-                    const profile_idc = (profile_level_id_numeric >> 16) & 0xff;
-                    // Parse level based on level_idc and constraint set 3 flag.
-                    let level;
-                    switch (level_idc) {
-                        case Level.L1_1: {
-                            level = (profile_iop & ConstraintSet3Flag) !== 0 ? Level.L1_b : Level.L1_1;
-                            break;
-                        }
-                        case Level.L1:
-                        case Level.L1_2:
-                        case Level.L1_3:
-                        case Level.L2:
-                        case Level.L2_1:
-                        case Level.L2_2:
-                        case Level.L3:
-                        case Level.L3_1:
-                        case Level.L3_2:
-                        case Level.L4:
-                        case Level.L4_1:
-                        case Level.L4_2:
-                        case Level.L5:
-                        case Level.L5_1:
-                        case Level.L5_2: {
-                            level = level_idc;
-                            break;
-                        }
-                        // Unrecognized level_idc.
-                        default: {
-                            logger.warn(
-                                `parseProfileLevelId() | unrecognized level_idc [str:${str}, level_idc:${level_idc}]`,
-                            );
-                            return undefined;
-                        }
-                    }
-                    // Parse profile_idc/profile_iop into a Profile enum.
-                    for (const pattern of ProfilePatterns) {
-                        if (profile_idc === pattern.profile_idc && pattern.profile_iop.isMatch(profile_iop)) {
-                            logger.debug(
-                                `parseProfileLevelId() | result [str:${str}, profile:${pattern.profile}, level:${level}]`,
-                            );
-                            return new ProfileLevelId(pattern.profile, level);
-                        }
-                    }
-                    logger.warn(
-                        `parseProfileLevelId() | unrecognized profile_idc/profile_iop combination [str:${str}, profile_idc:${profile_idc}, profile_iop:${profile_iop}]`,
-                    );
-                    return undefined;
-                }
-                /**
-                 * Returns canonical string representation as three hex bytes of the profile
-                 * level id, or returns nothing for invalid profile level ids.
-                 */
-                function profileLevelIdToString(profile_level_id) {
-                    // Handle special case level == 1b.
-                    if (profile_level_id.level == Level.L1_b) {
-                        switch (profile_level_id.profile) {
-                            case Profile.ConstrainedBaseline: {
-                                return '42f00b';
-                            }
-                            case Profile.Baseline: {
-                                return '42100b';
-                            }
-                            case Profile.Main: {
-                                return '4d100b';
-                            }
-                            // Level 1_b is not allowed for other profiles.
-                            default: {
-                                logger.warn(
-                                    `profileLevelIdToString() | Level 1_b not is allowed for profile ${profile_level_id.profile}`,
-                                );
-                                return undefined;
-                            }
-                        }
-                    }
-                    let profile_idc_iop_string;
-                    switch (profile_level_id.profile) {
-                        case Profile.ConstrainedBaseline: {
-                            profile_idc_iop_string = '42e0';
-                            break;
-                        }
-                        case Profile.Baseline: {
-                            profile_idc_iop_string = '4200';
-                            break;
-                        }
-                        case Profile.Main: {
-                            profile_idc_iop_string = '4d00';
-                            break;
-                        }
-                        case Profile.ConstrainedHigh: {
-                            profile_idc_iop_string = '640c';
-                            break;
-                        }
-                        case Profile.High: {
-                            profile_idc_iop_string = '6400';
-                            break;
-                        }
-                        case Profile.PredictiveHigh444: {
-                            profile_idc_iop_string = 'f400';
-                            break;
-                        }
-                        default: {
-                            logger.warn(`profileLevelIdToString() | unrecognized profile ${profile_level_id.profile}`);
-                            return undefined;
-                        }
-                    }
-                    let levelStr = profile_level_id.level.toString(16);
-                    if (levelStr.length === 1) {
-                        levelStr = `0${levelStr}`;
-                    }
-                    return `${profile_idc_iop_string}${levelStr}`;
-                }
-                /**
-                 * Returns a human friendly name for the given profile.
-                 */
-                function profileToString(profile) {
-                    switch (profile) {
-                        case Profile.ConstrainedBaseline: {
-                            return 'ConstrainedBaseline';
-                        }
-                        case Profile.Baseline: {
-                            return 'Baseline';
-                        }
-                        case Profile.Main: {
-                            return 'Main';
-                        }
-                        case Profile.ConstrainedHigh: {
-                            return 'ConstrainedHigh';
-                        }
-                        case Profile.High: {
-                            return 'High';
-                        }
-                        case Profile.PredictiveHigh444: {
-                            return 'PredictiveHigh444';
-                        }
-                        default: {
-                            logger.warn(`profileToString() | unrecognized profile ${profile}`);
-                            return undefined;
-                        }
-                    }
-                }
-                /**
-                 * Returns a human friendly name for the given level.
-                 */
-                function levelToString(level) {
-                    switch (level) {
-                        case Level.L1_b: {
-                            return '1b';
-                        }
-                        case Level.L1: {
-                            return '1';
-                        }
-                        case Level.L1_1: {
-                            return '1.1';
-                        }
-                        case Level.L1_2: {
-                            return '1.2';
-                        }
-                        case Level.L1_3: {
-                            return '1.3';
-                        }
-                        case Level.L2: {
-                            return '2';
-                        }
-                        case Level.L2_1: {
-                            return '2.1';
-                        }
-                        case Level.L2_2: {
-                            return '2.2';
-                        }
-                        case Level.L3: {
-                            return '3';
-                        }
-                        case Level.L3_1: {
-                            return '3.1';
-                        }
-                        case Level.L3_2: {
-                            return '3.2';
-                        }
-                        case Level.L4: {
-                            return '4';
-                        }
-                        case Level.L4_1: {
-                            return '4.1';
-                        }
-                        case Level.L4_2: {
-                            return '4.2';
-                        }
-                        case Level.L5: {
-                            return '5';
-                        }
-                        case Level.L5_1: {
-                            return '5.1';
-                        }
-                        case Level.L5_2: {
-                            return '5.2';
-                        }
-                        default: {
-                            logger.warn(`levelToString() | unrecognized level ${level}`);
-                            return undefined;
-                        }
-                    }
-                }
-                /**
-                 * Parse profile level id that is represented as a string of 3 hex bytes
-                 * contained in an SDP key-value map. A default profile level id will be
-                 * returned if the profile-level-id key is missing. Nothing will be returned
-                 * if the key is present but the string is invalid.
-                 */
-                function parseSdpProfileLevelId(params = {}) {
-                    const profile_level_id = params['profile-level-id'];
-                    return profile_level_id ? parseProfileLevelId(profile_level_id) : DefaultProfileLevelId;
-                }
-                /**
-                 * Returns true if the codec parameters have the same H264 profile, i.e. the
-                 * same H264 profile (Baseline, High, etc).
-                 */
-                function isSameProfile(params1 = {}, params2 = {}) {
-                    const profile_level_id_1 = parseSdpProfileLevelId(params1);
-                    const profile_level_id_2 = parseSdpProfileLevelId(params2);
-                    // Compare H264 profiles, but not levels.
-                    return Boolean(
-                        profile_level_id_1 &&
-                            profile_level_id_2 &&
-                            profile_level_id_1.profile === profile_level_id_2.profile,
-                    );
-                }
-                /**
-                 * Returns true if the codec parameters have the same H264 profile, i.e. the
-                 * same H264 profile (Baseline, High, etc) and same level.
-                 */
-                function isSameProfileAndLevel(params1 = {}, params2 = {}) {
-                    const profile_level_id_1 = parseSdpProfileLevelId(params1);
-                    const profile_level_id_2 = parseSdpProfileLevelId(params2);
-                    // Compare H264 profiles, but not levels.
-                    return Boolean(
-                        profile_level_id_1 &&
-                            profile_level_id_2 &&
-                            profile_level_id_1.profile === profile_level_id_2.profile &&
-                            profile_level_id_1.level == profile_level_id_2.level,
-                    );
-                }
-                /**
-                 * Generate codec parameters that will be used as answer in an SDP negotiation
-                 * based on local supported parameters and remote offered parameters. Both
-                 * local_supported_params and remote_offered_params represent sendrecv media
-                 * descriptions, i.e they are a mix of both encode and decode capabilities. In
-                 * theory, when the profile in local_supported_params represent a strict
-                 * superset of the profile in remote_offered_params, we could limit the profile
-                 * in the answer to the profile in remote_offered_params.
-                 *
-                 * However, to simplify the code, each supported H264 profile should be listed
-                 * explicitly in the list of local supported codecs, even if they are redundant.
-                 * Then each local codec in the list should be tested one at a time against the
-                 * remote codec, and only when the profiles are equal should this function be
-                 * called. Therefore, this function does not need to handle profile intersection,
-                 * and the profile of local_supported_params and remote_offered_params must be
-                 * equal before calling this function. The parameters that are used when
-                 * negotiating are the level part of profile-level-id and
-                 * level-asymmetry-allowed.
-                 */
-                function generateProfileLevelIdStringForAnswer(
-                    local_supported_params = {},
-                    remote_offered_params = {},
-                ) {
-                    // If both local and remote params do not contain profile-level-id, they are
-                    // both using the default profile. In this case, don't return anything.
-                    if (!local_supported_params['profile-level-id'] && !remote_offered_params['profile-level-id']) {
-                        logger.warn(
-                            'generateProfileLevelIdStringForAnswer() | profile-level-id missing in local and remote params',
-                        );
-                        return undefined;
-                    }
-                    // Parse profile-level-ids.
-                    const local_profile_level_id = parseSdpProfileLevelId(local_supported_params);
-                    const remote_profile_level_id = parseSdpProfileLevelId(remote_offered_params);
-                    // The local and remote codec must have valid and equal H264 Profiles.
-                    if (!local_profile_level_id) {
-                        throw new TypeError('invalid local_profile_level_id');
-                    }
-                    if (!remote_profile_level_id) {
-                        throw new TypeError('invalid remote_profile_level_id');
-                    }
-                    if (local_profile_level_id.profile !== remote_profile_level_id.profile) {
-                        throw new TypeError('H264 Profile mismatch');
-                    }
-                    // Parse level information.
-                    const level_asymmetry_allowed =
-                        isLevelAsymmetryAllowed(local_supported_params) &&
-                        isLevelAsymmetryAllowed(remote_offered_params);
-                    const local_level = local_profile_level_id.level;
-                    const remote_level = remote_profile_level_id.level;
-                    const min_level = minLevel(local_level, remote_level);
-                    // Determine answer level. When level asymmetry is not allowed, level upgrade
-                    // is not allowed, i.e., the level in the answer must be equal to or lower
-                    // than the level in the offer.
-                    const answer_level = level_asymmetry_allowed ? local_level : min_level;
-                    logger.debug(
-                        `generateProfileLevelIdStringForAnswer() | result [profile:${local_profile_level_id.profile}, level:${answer_level}]`,
-                    );
-                    // Return the resulting profile-level-id for the answer parameters.
-                    return profileLevelIdToString(new ProfileLevelId(local_profile_level_id.profile, answer_level));
-                }
-                /**
-                 * Given that a decoder supports up to a given frame size (in pixels) at up to
-                 * a given number of frames per second, return the highest H264 level where it
-                 * can guarantee that it will be able to support all valid encoded streams that
-                 * are within that level.
-                 */
-                function supportedLevel(max_frame_pixel_count, max_fps) {
-                    const PixelsPerMacroblock = 16 * 16;
-                    for (let i = LevelConstraints.length - 1; i >= 0; --i) {
-                        const level_constraint = LevelConstraints[i];
-                        if (
-                            level_constraint.max_macroblock_frame_size * PixelsPerMacroblock <= max_frame_pixel_count &&
-                            level_constraint.max_macroblocks_per_second <=
-                                max_fps * level_constraint.max_macroblock_frame_size
-                        ) {
-                            logger.debug(
-                                `supportedLevel() | result [max_frame_pixel_count:${max_frame_pixel_count}, max_fps:${max_fps}, level:${level_constraint.level}]`,
-                            );
-                            return level_constraint.level;
-                        }
-                    }
-                    // No level supported.
-                    logger.warn(
-                        `supportedLevel() | no level supported [max_frame_pixel_count:${max_frame_pixel_count}, max_fps:${max_fps}]`,
-                    );
-                    return undefined;
-                }
-                /**
-                 * Convert a string of 8 characters into a byte where the positions containing
-                 * character c will have their bit set. For example, c = 'x', str = "x1xx0000"
-                 * will return 0b10110000.
-                 */
-                function byteMaskString(c, str) {
-                    return (
-                        (Number(str[0] === c) << 7) |
-                        (Number(str[1] === c) << 6) |
-                        (Number(str[2] === c) << 5) |
-                        (Number(str[3] === c) << 4) |
-                        (Number(str[4] === c) << 3) |
-                        (Number(str[5] === c) << 2) |
-                        (Number(str[6] === c) << 1) |
-                        (Number(str[7] === c) << 0)
-                    );
-                }
-                // Compare H264 levels and handle the level 1b case.
-                function isLessLevel(a, b) {
-                    if (a === Level.L1_b) {
-                        return b !== Level.L1 && b !== Level.L1_b;
-                    }
-                    if (b === Level.L1_b) {
-                        return a !== Level.L1;
-                    }
-                    return a < b;
-                }
-                function minLevel(a, b) {
-                    return isLessLevel(a, b) ? a : b;
-                }
-                function isLevelAsymmetryAllowed(params = {}) {
-                    const level_asymmetry_allowed = params['level-asymmetry-allowed'];
-                    return (
-                        level_asymmetry_allowed === true ||
-                        level_asymmetry_allowed === 1 ||
-                        level_asymmetry_allowed === '1'
-                    );
-                }
-            },
-            { './Logger': 9 },
-        ],
-        11: [
-            function (require, module, exports) {
-                arguments[4][6][0].apply(exports, arguments);
-            },
-            { './common': 12, _process: 1, dup: 6 },
-        ],
-        12: [
-            function (require, module, exports) {
-                arguments[4][7][0].apply(exports, arguments);
-            },
-            { dup: 7, ms: 13 },
-        ],
-        13: [
-            function (require, module, exports) {
-                arguments[4][8][0].apply(exports, arguments);
-            },
-            { dup: 8 },
-        ],
-        14: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Consumer = void 0;
-                const Logger_1 = require('./Logger');
-                const enhancedEvents_1 = require('./enhancedEvents');
-                const errors_1 = require('./errors');
-                const logger = new Logger_1.Logger('Consumer');
-                class Consumer extends enhancedEvents_1.EnhancedEventEmitter {
-                    constructor({ id, localId, producerId, rtpReceiver, track, rtpParameters, appData }) {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Observer instance.
-                        this._observer = new enhancedEvents_1.EnhancedEventEmitter();
-                        logger.debug('constructor()');
-                        this._id = id;
-                        this._localId = localId;
-                        this._producerId = producerId;
-                        this._rtpReceiver = rtpReceiver;
-                        this._track = track;
-                        this._rtpParameters = rtpParameters;
-                        this._paused = !track.enabled;
-                        this._appData = appData ?? {};
-                        this.onTrackEnded = this.onTrackEnded.bind(this);
-                        this.handleTrack();
-                    }
-                    /**
-                     * Consumer id.
-                     */
-                    get id() {
-                        return this._id;
-                    }
-                    /**
-                     * Local id.
-                     */
-                    get localId() {
-                        return this._localId;
-                    }
-                    /**
-                     * Associated Producer id.
-                     */
-                    get producerId() {
-                        return this._producerId;
-                    }
-                    /**
-                     * Whether the Consumer is closed.
-                     */
-                    get closed() {
-                        return this._closed;
-                    }
-                    /**
-                     * Media kind.
-                     */
-                    get kind() {
-                        return this._track.kind;
-                    }
-                    /**
-                     * Associated RTCRtpReceiver.
-                     */
-                    get rtpReceiver() {
-                        return this._rtpReceiver;
-                    }
-                    /**
-                     * The associated track.
-                     */
-                    get track() {
-                        return this._track;
-                    }
-                    /**
-                     * RTP parameters.
-                     */
-                    get rtpParameters() {
-                        return this._rtpParameters;
-                    }
-                    /**
-                     * Whether the Consumer is paused.
-                     */
-                    get paused() {
-                        return this._paused;
-                    }
-                    /**
-                     * App custom data.
-                     */
-                    get appData() {
-                        return this._appData;
-                    }
-                    /**
-                     * App custom data setter.
-                     */
-                    set appData(appData) {
-                        this._appData = appData;
-                    }
-                    get observer() {
-                        return this._observer;
-                    }
-                    /**
-                     * Closes the Consumer.
-                     */
-                    close() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('close()');
-                        this._closed = true;
-                        this.destroyTrack();
-                        this.emit('@close');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Transport was closed.
-                     */
-                    transportClosed() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('transportClosed()');
-                        this._closed = true;
-                        this.destroyTrack();
-                        this.safeEmit('transportclose');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Get associated RTCRtpReceiver stats.
-                     */
-                    async getStats() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        }
-                        return new Promise((resolve, reject) => {
-                            this.safeEmit('@getstats', resolve, reject);
-                        });
-                    }
-                    /**
-                     * Pauses receiving media.
-                     */
-                    pause() {
-                        logger.debug('pause()');
-                        if (this._closed) {
-                            logger.error('pause() | Consumer closed');
-                            return;
-                        }
-                        if (this._paused) {
-                            logger.debug('pause() | Consumer is already paused');
-                            return;
-                        }
-                        this._paused = true;
-                        this._track.enabled = false;
-                        this.emit('@pause');
-                        // Emit observer event.
-                        this._observer.safeEmit('pause');
-                    }
-                    /**
-                     * Resumes receiving media.
-                     */
-                    resume() {
-                        logger.debug('resume()');
-                        if (this._closed) {
-                            logger.error('resume() | Consumer closed');
-                            return;
-                        }
-                        if (!this._paused) {
-                            logger.debug('resume() | Consumer is already resumed');
-                            return;
-                        }
-                        this._paused = false;
-                        this._track.enabled = true;
-                        this.emit('@resume');
-                        // Emit observer event.
-                        this._observer.safeEmit('resume');
-                    }
-                    onTrackEnded() {
-                        logger.debug('track "ended" event');
-                        this.safeEmit('trackended');
-                        // Emit observer event.
-                        this._observer.safeEmit('trackended');
-                    }
-                    handleTrack() {
-                        this._track.addEventListener('ended', this.onTrackEnded);
-                    }
-                    destroyTrack() {
-                        try {
-                            this._track.removeEventListener('ended', this.onTrackEnded);
-                            this._track.stop();
-                        } catch (error) {}
-                    }
-                }
-                exports.Consumer = Consumer;
-            },
-            { './Logger': 18, './enhancedEvents': 23, './errors': 24 },
-        ],
-        15: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.DataConsumer = void 0;
-                const Logger_1 = require('./Logger');
-                const enhancedEvents_1 = require('./enhancedEvents');
-                const logger = new Logger_1.Logger('DataConsumer');
-                class DataConsumer extends enhancedEvents_1.EnhancedEventEmitter {
-                    constructor({ id, dataProducerId, dataChannel, sctpStreamParameters, appData }) {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Observer instance.
-                        this._observer = new enhancedEvents_1.EnhancedEventEmitter();
-                        logger.debug('constructor()');
-                        this._id = id;
-                        this._dataProducerId = dataProducerId;
-                        this._dataChannel = dataChannel;
-                        this._sctpStreamParameters = sctpStreamParameters;
-                        this._appData = appData ?? {};
-                        this.handleDataChannel();
-                    }
-                    /**
-                     * DataConsumer id.
-                     */
-                    get id() {
-                        return this._id;
-                    }
-                    /**
-                     * Associated DataProducer id.
-                     */
-                    get dataProducerId() {
-                        return this._dataProducerId;
-                    }
-                    /**
-                     * Whether the DataConsumer is closed.
-                     */
-                    get closed() {
-                        return this._closed;
-                    }
-                    /**
-                     * SCTP stream parameters.
-                     */
-                    get sctpStreamParameters() {
-                        return this._sctpStreamParameters;
-                    }
-                    /**
-                     * DataChannel readyState.
-                     */
-                    get readyState() {
-                        return this._dataChannel.readyState;
-                    }
-                    /**
-                     * DataChannel label.
-                     */
-                    get label() {
-                        return this._dataChannel.label;
-                    }
-                    /**
-                     * DataChannel protocol.
-                     */
-                    get protocol() {
-                        return this._dataChannel.protocol;
-                    }
-                    /**
-                     * DataChannel binaryType.
-                     */
-                    get binaryType() {
-                        return this._dataChannel.binaryType;
-                    }
-                    /**
-                     * Set DataChannel binaryType.
-                     */
-                    set binaryType(binaryType) {
-                        this._dataChannel.binaryType = binaryType;
-                    }
-                    /**
-                     * App custom data.
-                     */
-                    get appData() {
-                        return this._appData;
-                    }
-                    /**
-                     * App custom data setter.
-                     */
-                    set appData(appData) {
-                        this._appData = appData;
-                    }
-                    get observer() {
-                        return this._observer;
-                    }
-                    /**
-                     * Closes the DataConsumer.
-                     */
-                    close() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('close()');
-                        this._closed = true;
-                        this._dataChannel.close();
-                        this.emit('@close');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Transport was closed.
-                     */
-                    transportClosed() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('transportClosed()');
-                        this._closed = true;
-                        this._dataChannel.close();
-                        this.safeEmit('transportclose');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    handleDataChannel() {
-                        this._dataChannel.addEventListener('open', () => {
-                            if (this._closed) {
-                                return;
-                            }
-                            logger.debug('DataChannel "open" event');
-                            this.safeEmit('open');
-                        });
-                        this._dataChannel.addEventListener('error', (event) => {
-                            if (this._closed) {
-                                return;
-                            }
-                            let { error } = event;
-                            if (!error) {
-                                error = new Error('unknown DataChannel error');
-                            }
-                            if (error.errorDetail === 'sctp-failure') {
-                                logger.error(
-                                    'DataChannel SCTP error [sctpCauseCode:%s]: %s',
-                                    error.sctpCauseCode,
-                                    error.message,
-                                );
-                            } else {
-                                logger.error('DataChannel "error" event: %o', error);
-                            }
-                            this.safeEmit('error', error);
-                        });
-                        this._dataChannel.addEventListener('close', () => {
-                            if (this._closed) {
-                                return;
-                            }
-                            logger.warn('DataChannel "close" event');
-                            this._closed = true;
-                            this.emit('@close');
-                            this.safeEmit('close');
-                            // Emit observer event.
-                            this._observer.safeEmit('close');
-                        });
-                        this._dataChannel.addEventListener('message', (event) => {
-                            if (this._closed) {
-                                return;
-                            }
-                            this.safeEmit('message', event.data);
-                        });
-                    }
-                }
-                exports.DataConsumer = DataConsumer;
-            },
-            { './Logger': 18, './enhancedEvents': 23 },
-        ],
-        16: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.DataProducer = void 0;
-                const Logger_1 = require('./Logger');
-                const enhancedEvents_1 = require('./enhancedEvents');
-                const errors_1 = require('./errors');
-                const logger = new Logger_1.Logger('DataProducer');
-                class DataProducer extends enhancedEvents_1.EnhancedEventEmitter {
-                    constructor({ id, dataChannel, sctpStreamParameters, appData }) {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Observer instance.
-                        this._observer = new enhancedEvents_1.EnhancedEventEmitter();
-                        logger.debug('constructor()');
-                        this._id = id;
-                        this._dataChannel = dataChannel;
-                        this._sctpStreamParameters = sctpStreamParameters;
-                        this._appData = appData ?? {};
-                        this.handleDataChannel();
-                    }
-                    /**
-                     * DataProducer id.
-                     */
-                    get id() {
-                        return this._id;
-                    }
-                    /**
-                     * Whether the DataProducer is closed.
-                     */
-                    get closed() {
-                        return this._closed;
-                    }
-                    /**
-                     * SCTP stream parameters.
-                     */
-                    get sctpStreamParameters() {
-                        return this._sctpStreamParameters;
-                    }
-                    /**
-                     * DataChannel readyState.
-                     */
-                    get readyState() {
-                        return this._dataChannel.readyState;
-                    }
-                    /**
-                     * DataChannel label.
-                     */
-                    get label() {
-                        return this._dataChannel.label;
-                    }
-                    /**
-                     * DataChannel protocol.
-                     */
-                    get protocol() {
-                        return this._dataChannel.protocol;
-                    }
-                    /**
-                     * DataChannel bufferedAmount.
-                     */
-                    get bufferedAmount() {
-                        return this._dataChannel.bufferedAmount;
-                    }
-                    /**
-                     * DataChannel bufferedAmountLowThreshold.
-                     */
-                    get bufferedAmountLowThreshold() {
-                        return this._dataChannel.bufferedAmountLowThreshold;
-                    }
-                    /**
-                     * Set DataChannel bufferedAmountLowThreshold.
-                     */
-                    set bufferedAmountLowThreshold(bufferedAmountLowThreshold) {
-                        this._dataChannel.bufferedAmountLowThreshold = bufferedAmountLowThreshold;
-                    }
-                    /**
-                     * App custom data.
-                     */
-                    get appData() {
-                        return this._appData;
-                    }
-                    /**
-                     * App custom data setter.
-                     */
-                    set appData(appData) {
-                        this._appData = appData;
-                    }
-                    get observer() {
-                        return this._observer;
-                    }
-                    /**
-                     * Closes the DataProducer.
-                     */
-                    close() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('close()');
-                        this._closed = true;
-                        this._dataChannel.close();
-                        this.emit('@close');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Transport was closed.
-                     */
-                    transportClosed() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('transportClosed()');
-                        this._closed = true;
-                        this._dataChannel.close();
-                        this.safeEmit('transportclose');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Send a message.
-                     *
-                     * @param {String|Blob|ArrayBuffer|ArrayBufferView} data.
-                     */
-                    send(data) {
-                        logger.debug('send()');
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        }
-                        this._dataChannel.send(data);
-                    }
-                    handleDataChannel() {
-                        this._dataChannel.addEventListener('open', () => {
-                            if (this._closed) {
-                                return;
-                            }
-                            logger.debug('DataChannel "open" event');
-                            this.safeEmit('open');
-                        });
-                        this._dataChannel.addEventListener('error', (event) => {
-                            if (this._closed) {
-                                return;
-                            }
-                            let { error } = event;
-                            if (!error) {
-                                error = new Error('unknown DataChannel error');
-                            }
-                            if (error.errorDetail === 'sctp-failure') {
-                                logger.error(
-                                    'DataChannel SCTP error [sctpCauseCode:%s]: %s',
-                                    error.sctpCauseCode,
-                                    error.message,
-                                );
-                            } else {
-                                logger.error('DataChannel "error" event: %o', error);
-                            }
-                            this.safeEmit('error', error);
-                        });
-                        this._dataChannel.addEventListener('close', () => {
-                            if (this._closed) {
-                                return;
-                            }
-                            logger.warn('DataChannel "close" event');
-                            this._closed = true;
-                            this.emit('@close');
-                            this.safeEmit('close');
-                            // Emit observer event.
-                            this._observer.safeEmit('close');
-                        });
-                        this._dataChannel.addEventListener('message', () => {
-                            if (this._closed) {
-                                return;
-                            }
-                            logger.warn('DataChannel "message" event in a DataProducer, message discarded');
-                        });
-                        this._dataChannel.addEventListener('bufferedamountlow', () => {
-                            if (this._closed) {
-                                return;
-                            }
-                            this.safeEmit('bufferedamountlow');
-                        });
-                    }
-                }
-                exports.DataProducer = DataProducer;
-            },
-            { './Logger': 18, './enhancedEvents': 23, './errors': 24 },
-        ],
-        17: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Device = void 0;
-                exports.detectDevice = detectDevice;
-                const ua_parser_js_1 = require('ua-parser-js');
-                const Logger_1 = require('./Logger');
-                const enhancedEvents_1 = require('./enhancedEvents');
-                const errors_1 = require('./errors');
-                const utils = __importStar(require('./utils'));
-                const ortc = __importStar(require('./ortc'));
-                const Transport_1 = require('./Transport');
-                const Chrome111_1 = require('./handlers/Chrome111');
-                const Chrome74_1 = require('./handlers/Chrome74');
-                const Chrome70_1 = require('./handlers/Chrome70');
-                const Chrome67_1 = require('./handlers/Chrome67');
-                const Chrome55_1 = require('./handlers/Chrome55');
-                const Firefox120_1 = require('./handlers/Firefox120');
-                const Firefox60_1 = require('./handlers/Firefox60');
-                const Safari12_1 = require('./handlers/Safari12');
-                const Safari11_1 = require('./handlers/Safari11');
-                const Edge11_1 = require('./handlers/Edge11');
-                const ReactNativeUnifiedPlan_1 = require('./handlers/ReactNativeUnifiedPlan');
-                const ReactNative_1 = require('./handlers/ReactNative');
-                const logger = new Logger_1.Logger('Device');
-                function detectDevice(userAgent) {
-                    // React-Native.
-                    // NOTE: react-native-webrtc >= 1.75.0 is required.
-                    // NOTE: react-native-webrtc with Unified Plan requires version >= 106.0.0.
-                    if (!userAgent && typeof navigator === 'object' && navigator.product === 'ReactNative') {
-                        logger.debug('detectDevice() | React-Native detected');
-                        if (typeof RTCPeerConnection === 'undefined') {
-                            logger.warn(
-                                'detectDevice() | unsupported react-native-webrtc without RTCPeerConnection, forgot to call registerGlobals()?',
-                            );
-                            return undefined;
-                        }
-                        if (typeof RTCRtpTransceiver !== 'undefined') {
-                            logger.debug('detectDevice() | ReactNative UnifiedPlan handler chosen');
-                            return 'ReactNativeUnifiedPlan';
-                        } else {
-                            logger.debug('detectDevice() | ReactNative PlanB handler chosen');
-                            return 'ReactNative';
-                        }
-                    }
-                    // Browser.
-                    else if (userAgent || (typeof navigator === 'object' && typeof navigator.userAgent === 'string')) {
-                        userAgent ?? (userAgent = navigator.userAgent);
-                        const uaParser = new ua_parser_js_1.UAParser(userAgent);
-                        logger.debug(
-                            'detectDevice() | browser detected [userAgent:%s, parsed:%o]',
-                            userAgent,
-                            uaParser.getResult(),
-                        );
-                        const browser = uaParser.getBrowser();
-                        const browserName = browser.name?.toLowerCase();
-                        const browserVersion = parseInt(browser.major ?? '0');
-                        const engine = uaParser.getEngine();
-                        const engineName = engine.name?.toLowerCase();
-                        const os = uaParser.getOS();
-                        const osName = os.name?.toLowerCase();
-                        const osVersion = parseFloat(os.version ?? '0');
-                        const device = uaParser.getDevice();
-                        const deviceModel = device.model?.toLowerCase();
-                        const isIOS = osName === 'ios' || deviceModel === 'ipad';
-                        const isChrome =
-                            browserName &&
-                            ['chrome', 'chromium', 'mobile chrome', 'chrome webview', 'chrome headless'].includes(
-                                browserName,
-                            );
-                        const isFirefox =
-                            browserName && ['firefox', 'mobile firefox', 'mobile focus'].includes(browserName);
-                        const isSafari = browserName && ['safari', 'mobile safari'].includes(browserName);
-                        const isEdge = browserName && ['edge'].includes(browserName);
-                        // Chrome, Chromium, and Edge.
-                        if ((isChrome || isEdge) && !isIOS && browserVersion >= 111) {
-                            return 'Chrome111';
-                        } else if (
-                            (isChrome && !isIOS && browserVersion >= 74) ||
-                            (isEdge && !isIOS && browserVersion >= 88)
-                        ) {
-                            return 'Chrome74';
-                        } else if (isChrome && !isIOS && browserVersion >= 70) {
-                            return 'Chrome70';
-                        } else if (isChrome && !isIOS && browserVersion >= 67) {
-                            return 'Chrome67';
-                        } else if (isChrome && !isIOS && browserVersion >= 55) {
-                            return 'Chrome55';
-                        }
-                        // Firefox.
-                        else if (isFirefox && !isIOS && browserVersion >= 120) {
-                            return 'Firefox120';
-                        } else if (isFirefox && !isIOS && browserVersion >= 60) {
-                            return 'Firefox60';
-                        }
-                        // Firefox on iOS (so Safari).
-                        else if (isFirefox && isIOS && osVersion >= 14.3) {
-                            return 'Safari12';
-                        }
-                        // Safari with Unified-Plan support enabled.
-                        else if (
-                            isSafari &&
-                            browserVersion >= 12 &&
-                            typeof RTCRtpTransceiver !== 'undefined' &&
-                            RTCRtpTransceiver.prototype.hasOwnProperty('currentDirection')
-                        ) {
-                            return 'Safari12';
-                        }
-                        // Safari with Plab-B support.
-                        else if (isSafari && browserVersion >= 11) {
-                            return 'Safari11';
-                        }
-                        // Old Edge with ORTC support.
-                        else if (isEdge && !isIOS && browserVersion >= 11 && browserVersion <= 18) {
-                            return 'Edge11';
-                        }
-                        // Best effort for WebKit based browsers in iOS.
-                        else if (
-                            engineName === 'webkit' &&
-                            isIOS &&
-                            typeof RTCRtpTransceiver !== 'undefined' &&
-                            RTCRtpTransceiver.prototype.hasOwnProperty('currentDirection')
-                        ) {
-                            return 'Safari12';
-                        }
-                        // Best effort for Chromium based browsers.
-                        else if (engineName === 'blink') {
-                            // eslint-disable-next-line @typescript-eslint/prefer-regexp-exec
-                            const match = userAgent.match(/(?:(?:Chrome|Chromium))[ /](\w+)/i);
-                            if (match) {
-                                const version = Number(match[1]);
-                                if (version >= 111) {
-                                    return 'Chrome111';
-                                } else if (version >= 74) {
-                                    return 'Chrome74';
-                                } else if (version >= 70) {
-                                    return 'Chrome70';
-                                } else if (version >= 67) {
-                                    return 'Chrome67';
-                                } else {
-                                    return 'Chrome55';
-                                }
-                            } else {
-                                return 'Chrome111';
-                            }
-                        }
-                        // Unsupported browser.
-                        else {
-                            logger.warn(
-                                'detectDevice() | browser not supported [name:%s, version:%s]',
-                                browserName,
-                                browserVersion,
-                            );
-                            return undefined;
-                        }
-                    }
-                    // Unknown device.
-                    else {
-                        logger.warn('detectDevice() | unknown device');
-                        return undefined;
-                    }
-                }
-                class Device {
-                    /**
-                     * Create a new Device to connect to mediasoup server.
-                     *
-                     * @throws {UnsupportedError} if device is not supported.
-                     */
-                    constructor({ handlerName, handlerFactory } = {}) {
-                        // Loaded flag.
-                        this._loaded = false;
-                        // Observer instance.
-                        this._observer = new enhancedEvents_1.EnhancedEventEmitter();
-                        logger.debug('constructor()');
-                        if (handlerName && handlerFactory) {
-                            throw new TypeError('just one of handlerName or handlerInterface can be given');
-                        }
-                        if (handlerFactory) {
-                            this._handlerFactory = handlerFactory;
-                        } else {
-                            if (handlerName) {
-                                logger.debug('constructor() | handler given: %s', handlerName);
-                            } else {
-                                handlerName = detectDevice();
-                                if (handlerName) {
-                                    logger.debug('constructor() | detected handler: %s', handlerName);
-                                } else {
-                                    throw new errors_1.UnsupportedError('device not supported');
-                                }
-                            }
-                            switch (handlerName) {
-                                case 'Chrome111': {
-                                    this._handlerFactory = Chrome111_1.Chrome111.createFactory();
-                                    break;
-                                }
-                                case 'Chrome74': {
-                                    this._handlerFactory = Chrome74_1.Chrome74.createFactory();
-                                    break;
-                                }
-                                case 'Chrome70': {
-                                    this._handlerFactory = Chrome70_1.Chrome70.createFactory();
-                                    break;
-                                }
-                                case 'Chrome67': {
-                                    this._handlerFactory = Chrome67_1.Chrome67.createFactory();
-                                    break;
-                                }
-                                case 'Chrome55': {
-                                    this._handlerFactory = Chrome55_1.Chrome55.createFactory();
-                                    break;
-                                }
-                                case 'Firefox120': {
-                                    this._handlerFactory = Firefox120_1.Firefox120.createFactory();
-                                    break;
-                                }
-                                case 'Firefox60': {
-                                    this._handlerFactory = Firefox60_1.Firefox60.createFactory();
-                                    break;
-                                }
-                                case 'Safari12': {
-                                    this._handlerFactory = Safari12_1.Safari12.createFactory();
-                                    break;
-                                }
-                                case 'Safari11': {
-                                    this._handlerFactory = Safari11_1.Safari11.createFactory();
-                                    break;
-                                }
-                                case 'Edge11': {
-                                    this._handlerFactory = Edge11_1.Edge11.createFactory();
-                                    break;
-                                }
-                                case 'ReactNativeUnifiedPlan': {
-                                    this._handlerFactory =
-                                        ReactNativeUnifiedPlan_1.ReactNativeUnifiedPlan.createFactory();
-                                    break;
-                                }
-                                case 'ReactNative': {
-                                    this._handlerFactory = ReactNative_1.ReactNative.createFactory();
-                                    break;
-                                }
-                                default: {
-                                    throw new TypeError(`unknown handlerName "${handlerName}"`);
-                                }
-                            }
-                        }
-                        // Create a temporal handler to get its name.
-                        const handler = this._handlerFactory();
-                        this._handlerName = handler.name;
-                        handler.close();
-                        this._extendedRtpCapabilities = undefined;
-                        this._recvRtpCapabilities = undefined;
-                        this._canProduceByKind = {
-                            audio: false,
-                            video: false,
-                        };
-                        this._sctpCapabilities = undefined;
-                    }
-                    /**
-                     * The RTC handler name.
-                     */
-                    get handlerName() {
-                        return this._handlerName;
-                    }
-                    /**
-                     * Whether the Device is loaded.
-                     */
-                    get loaded() {
-                        return this._loaded;
-                    }
-                    /**
-                     * RTP capabilities of the Device for receiving media.
-                     *
-                     * @throws {InvalidStateError} if not loaded.
-                     */
-                    get rtpCapabilities() {
-                        if (!this._loaded) {
-                            throw new errors_1.InvalidStateError('not loaded');
-                        }
-                        return this._recvRtpCapabilities;
-                    }
-                    /**
-                     * SCTP capabilities of the Device.
-                     *
-                     * @throws {InvalidStateError} if not loaded.
-                     */
-                    get sctpCapabilities() {
-                        if (!this._loaded) {
-                            throw new errors_1.InvalidStateError('not loaded');
-                        }
-                        return this._sctpCapabilities;
-                    }
-                    get observer() {
-                        return this._observer;
-                    }
-                    /**
-                     * Initialize the Device.
-                     */
-                    async load({ routerRtpCapabilities }) {
-                        logger.debug('load() [routerRtpCapabilities:%o]', routerRtpCapabilities);
-                        // Temporal handler to get its capabilities.
-                        let handler;
-                        try {
-                            if (this._loaded) {
-                                throw new errors_1.InvalidStateError('already loaded');
-                            }
-                            // Clone given router RTP capabilities to not modify input data.
-                            const clonedRouterRtpCapabilities = utils.clone(routerRtpCapabilities);
-                            // This may throw.
-                            ortc.validateRtpCapabilities(clonedRouterRtpCapabilities);
-                            handler = this._handlerFactory();
-                            const nativeRtpCapabilities = await handler.getNativeRtpCapabilities();
-                            logger.debug('load() | got native RTP capabilities:%o', nativeRtpCapabilities);
-                            // Clone obtained native RTP capabilities to not modify input data.
-                            const clonedNativeRtpCapabilities = utils.clone(nativeRtpCapabilities);
-                            // This may throw.
-                            ortc.validateRtpCapabilities(clonedNativeRtpCapabilities);
-                            // Get extended RTP capabilities.
-                            this._extendedRtpCapabilities = ortc.getExtendedRtpCapabilities(
-                                clonedNativeRtpCapabilities,
-                                clonedRouterRtpCapabilities,
-                            );
-                            logger.debug('load() | got extended RTP capabilities:%o', this._extendedRtpCapabilities);
-                            // Check whether we can produce audio/video.
-                            this._canProduceByKind.audio = ortc.canSend('audio', this._extendedRtpCapabilities);
-                            this._canProduceByKind.video = ortc.canSend('video', this._extendedRtpCapabilities);
-                            // Generate our receiving RTP capabilities for receiving media.
-                            this._recvRtpCapabilities = ortc.getRecvRtpCapabilities(this._extendedRtpCapabilities);
-                            // This may throw.
-                            ortc.validateRtpCapabilities(this._recvRtpCapabilities);
-                            logger.debug('load() | got receiving RTP capabilities:%o', this._recvRtpCapabilities);
-                            // Generate our SCTP capabilities.
-                            this._sctpCapabilities = await handler.getNativeSctpCapabilities();
-                            logger.debug('load() | got native SCTP capabilities:%o', this._sctpCapabilities);
-                            // This may throw.
-                            ortc.validateSctpCapabilities(this._sctpCapabilities);
-                            logger.debug('load() succeeded');
-                            this._loaded = true;
-                            handler.close();
-                        } catch (error) {
-                            if (handler) {
-                                handler.close();
-                            }
-                            throw error;
-                        }
-                    }
-                    /**
-                     * Whether we can produce audio/video.
-                     *
-                     * @throws {InvalidStateError} if not loaded.
-                     * @throws {TypeError} if wrong arguments.
-                     */
-                    canProduce(kind) {
-                        if (!this._loaded) {
-                            throw new errors_1.InvalidStateError('not loaded');
-                        } else if (kind !== 'audio' && kind !== 'video') {
-                            throw new TypeError(`invalid kind "${kind}"`);
-                        }
-                        return this._canProduceByKind[kind];
-                    }
-                    /**
-                     * Creates a Transport for sending media.
-                     *
-                     * @throws {InvalidStateError} if not loaded.
-                     * @throws {TypeError} if wrong arguments.
-                     */
-                    createSendTransport({
-                        id,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        appData,
-                    }) {
-                        logger.debug('createSendTransport()');
-                        return this.createTransport({
-                            direction: 'send',
-                            id: id,
-                            iceParameters: iceParameters,
-                            iceCandidates: iceCandidates,
-                            dtlsParameters: dtlsParameters,
-                            sctpParameters: sctpParameters,
-                            iceServers: iceServers,
-                            iceTransportPolicy: iceTransportPolicy,
-                            additionalSettings: additionalSettings,
-                            proprietaryConstraints: proprietaryConstraints,
-                            appData: appData,
-                        });
-                    }
-                    /**
-                     * Creates a Transport for receiving media.
-                     *
-                     * @throws {InvalidStateError} if not loaded.
-                     * @throws {TypeError} if wrong arguments.
-                     */
-                    createRecvTransport({
-                        id,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        appData,
-                    }) {
-                        logger.debug('createRecvTransport()');
-                        return this.createTransport({
-                            direction: 'recv',
-                            id: id,
-                            iceParameters: iceParameters,
-                            iceCandidates: iceCandidates,
-                            dtlsParameters: dtlsParameters,
-                            sctpParameters: sctpParameters,
-                            iceServers: iceServers,
-                            iceTransportPolicy: iceTransportPolicy,
-                            additionalSettings: additionalSettings,
-                            proprietaryConstraints: proprietaryConstraints,
-                            appData: appData,
-                        });
-                    }
-                    createTransport({
-                        direction,
-                        id,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        appData,
-                    }) {
-                        if (!this._loaded) {
-                            throw new errors_1.InvalidStateError('not loaded');
-                        } else if (typeof id !== 'string') {
-                            throw new TypeError('missing id');
-                        } else if (typeof iceParameters !== 'object') {
-                            throw new TypeError('missing iceParameters');
-                        } else if (!Array.isArray(iceCandidates)) {
-                            throw new TypeError('missing iceCandidates');
-                        } else if (typeof dtlsParameters !== 'object') {
-                            throw new TypeError('missing dtlsParameters');
-                        } else if (sctpParameters && typeof sctpParameters !== 'object') {
-                            throw new TypeError('wrong sctpParameters');
-                        } else if (appData && typeof appData !== 'object') {
-                            throw new TypeError('if given, appData must be an object');
-                        }
-                        // Create a new Transport.
-                        const transport = new Transport_1.Transport({
-                            direction,
-                            id,
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                            iceServers,
-                            iceTransportPolicy,
-                            additionalSettings,
-                            proprietaryConstraints,
-                            appData,
-                            handlerFactory: this._handlerFactory,
-                            extendedRtpCapabilities: this._extendedRtpCapabilities,
-                            canProduceByKind: this._canProduceByKind,
-                        });
-                        // Emit observer event.
-                        this._observer.safeEmit('newtransport', transport);
-                        return transport;
-                    }
-                }
-                exports.Device = Device;
-            },
-            {
-                './Logger': 18,
-                './Transport': 22,
-                './enhancedEvents': 23,
-                './errors': 24,
-                './handlers/Chrome111': 25,
-                './handlers/Chrome55': 26,
-                './handlers/Chrome67': 27,
-                './handlers/Chrome70': 28,
-                './handlers/Chrome74': 29,
-                './handlers/Edge11': 30,
-                './handlers/Firefox120': 31,
-                './handlers/Firefox60': 32,
-                './handlers/ReactNative': 34,
-                './handlers/ReactNativeUnifiedPlan': 35,
-                './handlers/Safari11': 36,
-                './handlers/Safari12': 37,
-                './ortc': 46,
-                './utils': 49,
-                'ua-parser-js': 59,
-            },
-        ],
-        18: [
-            function (require, module, exports) {
-                'use strict';
-                var __importDefault =
-                    (this && this.__importDefault) ||
-                    function (mod) {
-                        return mod && mod.__esModule ? mod : { default: mod };
-                    };
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Logger = void 0;
-                const debug_1 = __importDefault(require('debug'));
-                const APP_NAME = 'mediasoup-client';
-                class Logger {
-                    constructor(prefix) {
-                        if (prefix) {
-                            this._debug = (0, debug_1.default)(`${APP_NAME}:${prefix}`);
-                            this._warn = (0, debug_1.default)(`${APP_NAME}:WARN:${prefix}`);
-                            this._error = (0, debug_1.default)(`${APP_NAME}:ERROR:${prefix}`);
-                        } else {
-                            this._debug = (0, debug_1.default)(APP_NAME);
-                            this._warn = (0, debug_1.default)(`${APP_NAME}:WARN`);
-                            this._error = (0, debug_1.default)(`${APP_NAME}:ERROR`);
-                        }
-                        /* eslint-disable no-console */
-                        this._debug.log = console.info.bind(console);
-                        this._warn.log = console.warn.bind(console);
-                        this._error.log = console.error.bind(console);
-                        /* eslint-enable no-console */
-                    }
-                    get debug() {
-                        return this._debug;
-                    }
-                    get warn() {
-                        return this._warn;
-                    }
-                    get error() {
-                        return this._error;
-                    }
-                }
-                exports.Logger = Logger;
-            },
-            { debug: 50 },
-        ],
-        19: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Producer = void 0;
-                const Logger_1 = require('./Logger');
-                const enhancedEvents_1 = require('./enhancedEvents');
-                const errors_1 = require('./errors');
-                const logger = new Logger_1.Logger('Producer');
-                class Producer extends enhancedEvents_1.EnhancedEventEmitter {
-                    constructor({
-                        id,
-                        localId,
-                        rtpSender,
-                        track,
-                        rtpParameters,
-                        stopTracks,
-                        disableTrackOnPause,
-                        zeroRtpOnPause,
-                        appData,
-                    }) {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Observer instance.
-                        this._observer = new enhancedEvents_1.EnhancedEventEmitter();
-                        logger.debug('constructor()');
-                        this._id = id;
-                        this._localId = localId;
-                        this._rtpSender = rtpSender;
-                        this._track = track;
-                        this._kind = track.kind;
-                        this._rtpParameters = rtpParameters;
-                        this._paused = disableTrackOnPause ? !track.enabled : false;
-                        this._maxSpatialLayer = undefined;
-                        this._stopTracks = stopTracks;
-                        this._disableTrackOnPause = disableTrackOnPause;
-                        this._zeroRtpOnPause = zeroRtpOnPause;
-                        this._appData = appData ?? {};
-                        this.onTrackEnded = this.onTrackEnded.bind(this);
-                        // NOTE: Minor issue. If zeroRtpOnPause is true, we cannot emit the
-                        // '@replacetrack' event here, so RTCRtpSender.track won't be null.
-                        this.handleTrack();
-                    }
-                    /**
-                     * Producer id.
-                     */
-                    get id() {
-                        return this._id;
-                    }
-                    /**
-                     * Local id.
-                     */
-                    get localId() {
-                        return this._localId;
-                    }
-                    /**
-                     * Whether the Producer is closed.
-                     */
-                    get closed() {
-                        return this._closed;
-                    }
-                    /**
-                     * Media kind.
-                     */
-                    get kind() {
-                        return this._kind;
-                    }
-                    /**
-                     * Associated RTCRtpSender.
-                     */
-                    get rtpSender() {
-                        return this._rtpSender;
-                    }
-                    /**
-                     * The associated track.
-                     */
-                    get track() {
-                        return this._track;
-                    }
-                    /**
-                     * RTP parameters.
-                     */
-                    get rtpParameters() {
-                        return this._rtpParameters;
-                    }
-                    /**
-                     * Whether the Producer is paused.
-                     */
-                    get paused() {
-                        return this._paused;
-                    }
-                    /**
-                     * Max spatial layer.
-                     *
-                     * @type {Number | undefined}
-                     */
-                    get maxSpatialLayer() {
-                        return this._maxSpatialLayer;
-                    }
-                    /**
-                     * App custom data.
-                     */
-                    get appData() {
-                        return this._appData;
-                    }
-                    /**
-                     * App custom data setter.
-                     */
-                    set appData(appData) {
-                        this._appData = appData;
-                    }
-                    get observer() {
-                        return this._observer;
-                    }
-                    /**
-                     * Closes the Producer.
-                     */
-                    close() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('close()');
-                        this._closed = true;
-                        this.destroyTrack();
-                        this.emit('@close');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Transport was closed.
-                     */
-                    transportClosed() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('transportClosed()');
-                        this._closed = true;
-                        this.destroyTrack();
-                        this.safeEmit('transportclose');
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Get associated RTCRtpSender stats.
-                     */
-                    async getStats() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        }
-                        return new Promise((resolve, reject) => {
-                            this.safeEmit('@getstats', resolve, reject);
-                        });
-                    }
-                    /**
-                     * Pauses sending media.
-                     */
-                    pause() {
-                        logger.debug('pause()');
-                        if (this._closed) {
-                            logger.error('pause() | Producer closed');
-                            return;
-                        }
-                        this._paused = true;
-                        if (this._track && this._disableTrackOnPause) {
-                            this._track.enabled = false;
-                        }
-                        if (this._zeroRtpOnPause) {
-                            new Promise((resolve, reject) => {
-                                this.safeEmit('@pause', resolve, reject);
-                            }).catch(() => {});
-                        }
-                        // Emit observer event.
-                        this._observer.safeEmit('pause');
-                    }
-                    /**
-                     * Resumes sending media.
-                     */
-                    resume() {
-                        logger.debug('resume()');
-                        if (this._closed) {
-                            logger.error('resume() | Producer closed');
-                            return;
-                        }
-                        this._paused = false;
-                        if (this._track && this._disableTrackOnPause) {
-                            this._track.enabled = true;
-                        }
-                        if (this._zeroRtpOnPause) {
-                            new Promise((resolve, reject) => {
-                                this.safeEmit('@resume', resolve, reject);
-                            }).catch(() => {});
-                        }
-                        // Emit observer event.
-                        this._observer.safeEmit('resume');
-                    }
-                    /**
-                     * Replaces the current track with a new one or null.
-                     */
-                    async replaceTrack({ track }) {
-                        logger.debug('replaceTrack() [track:%o]', track);
-                        if (this._closed) {
-                            // This must be done here. Otherwise there is no chance to stop the given
-                            // track.
-                            if (track && this._stopTracks) {
-                                try {
-                                    track.stop();
-                                } catch (error) {}
-                            }
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (track && track.readyState === 'ended') {
-                            throw new errors_1.InvalidStateError('track ended');
-                        }
-                        // Do nothing if this is the same track as the current handled one.
-                        if (track === this._track) {
-                            logger.debug('replaceTrack() | same track, ignored');
-                            return;
-                        }
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@replacetrack', track, resolve, reject);
-                        });
-                        // Destroy the previous track.
-                        this.destroyTrack();
-                        // Set the new track.
-                        this._track = track;
-                        // If this Producer was paused/resumed and the state of the new
-                        // track does not match, fix it.
-                        if (this._track && this._disableTrackOnPause) {
-                            if (!this._paused) {
-                                this._track.enabled = true;
-                            } else if (this._paused) {
-                                this._track.enabled = false;
-                            }
-                        }
-                        // Handle the effective track.
-                        this.handleTrack();
-                    }
-                    /**
-                     * Sets the video max spatial layer to be sent.
-                     */
-                    async setMaxSpatialLayer(spatialLayer) {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (this._kind !== 'video') {
-                            throw new errors_1.UnsupportedError('not a video Producer');
-                        } else if (typeof spatialLayer !== 'number') {
-                            throw new TypeError('invalid spatialLayer');
-                        }
-                        if (spatialLayer === this._maxSpatialLayer) {
-                            return;
-                        }
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@setmaxspatiallayer', spatialLayer, resolve, reject);
-                        }).catch(() => {});
-                        this._maxSpatialLayer = spatialLayer;
-                    }
-                    async setRtpEncodingParameters(params) {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (typeof params !== 'object') {
-                            throw new TypeError('invalid params');
-                        }
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@setrtpencodingparameters', params, resolve, reject);
-                        });
-                    }
-                    onTrackEnded() {
-                        logger.debug('track "ended" event');
-                        this.safeEmit('trackended');
-                        // Emit observer event.
-                        this._observer.safeEmit('trackended');
-                    }
-                    handleTrack() {
-                        if (!this._track) {
-                            return;
-                        }
-                        this._track.addEventListener('ended', this.onTrackEnded);
-                    }
-                    destroyTrack() {
-                        if (!this._track) {
-                            return;
-                        }
-                        try {
-                            this._track.removeEventListener('ended', this.onTrackEnded);
-                            // Just stop the track unless the app set stopTracks: false.
-                            if (this._stopTracks) {
-                                this._track.stop();
-                            }
-                        } catch (error) {}
-                    }
-                }
-                exports.Producer = Producer;
-            },
-            { './Logger': 18, './enhancedEvents': 23, './errors': 24 },
-        ],
-        20: [
-            function (require, module, exports) {
-                'use strict';
-                /**
-                 * The RTP capabilities define what mediasoup or an endpoint can receive at
-                 * media level.
-                 */
-                Object.defineProperty(exports, '__esModule', { value: true });
-            },
-            {},
-        ],
-        21: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-            },
-            {},
-        ],
-        22: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                var __importDefault =
-                    (this && this.__importDefault) ||
-                    function (mod) {
-                        return mod && mod.__esModule ? mod : { default: mod };
-                    };
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Transport = void 0;
-                const awaitqueue_1 = require('awaitqueue');
-                const queue_microtask_1 = __importDefault(require('queue-microtask'));
-                const Logger_1 = require('./Logger');
-                const enhancedEvents_1 = require('./enhancedEvents');
-                const errors_1 = require('./errors');
-                const utils = __importStar(require('./utils'));
-                const ortc = __importStar(require('./ortc'));
-                const Producer_1 = require('./Producer');
-                const Consumer_1 = require('./Consumer');
-                const DataProducer_1 = require('./DataProducer');
-                const DataConsumer_1 = require('./DataConsumer');
-                const logger = new Logger_1.Logger('Transport');
-                class ConsumerCreationTask {
-                    constructor(consumerOptions) {
-                        this.consumerOptions = consumerOptions;
-                        this.promise = new Promise((resolve, reject) => {
-                            this.resolve = resolve;
-                            this.reject = reject;
-                        });
-                    }
-                }
-                class Transport extends enhancedEvents_1.EnhancedEventEmitter {
-                    constructor({
-                        direction,
-                        id,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        appData,
-                        handlerFactory,
-                        extendedRtpCapabilities,
-                        canProduceByKind,
-                    }) {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Transport ICE gathering state.
-                        this._iceGatheringState = 'new';
-                        // Transport connection state.
-                        this._connectionState = 'new';
-                        // Map of Producers indexed by id.
-                        this._producers = new Map();
-                        // Map of Consumers indexed by id.
-                        this._consumers = new Map();
-                        // Map of DataProducers indexed by id.
-                        this._dataProducers = new Map();
-                        // Map of DataConsumers indexed by id.
-                        this._dataConsumers = new Map();
-                        // Whether the Consumer for RTP probation has been created.
-                        this._probatorConsumerCreated = false;
-                        // AwaitQueue instance to make async tasks happen sequentially.
-                        this._awaitQueue = new awaitqueue_1.AwaitQueue();
-                        // Consumer creation tasks awaiting to be processed.
-                        this._pendingConsumerTasks = [];
-                        // Consumer creation in progress flag.
-                        this._consumerCreationInProgress = false;
-                        // Consumers pending to be paused.
-                        this._pendingPauseConsumers = new Map();
-                        // Consumer pause in progress flag.
-                        this._consumerPauseInProgress = false;
-                        // Consumers pending to be resumed.
-                        this._pendingResumeConsumers = new Map();
-                        // Consumer resume in progress flag.
-                        this._consumerResumeInProgress = false;
-                        // Consumers pending to be closed.
-                        this._pendingCloseConsumers = new Map();
-                        // Consumer close in progress flag.
-                        this._consumerCloseInProgress = false;
-                        // Observer instance.
-                        this._observer = new enhancedEvents_1.EnhancedEventEmitter();
-                        logger.debug('constructor() [id:%s, direction:%s]', id, direction);
-                        this._id = id;
-                        this._direction = direction;
-                        this._extendedRtpCapabilities = extendedRtpCapabilities;
-                        this._canProduceByKind = canProduceByKind;
-                        this._maxSctpMessageSize = sctpParameters ? sctpParameters.maxMessageSize : null;
-                        // Clone and sanitize additionalSettings.
-                        const clonedAdditionalSettings = utils.clone(additionalSettings) ?? {};
-                        delete clonedAdditionalSettings.iceServers;
-                        delete clonedAdditionalSettings.iceTransportPolicy;
-                        delete clonedAdditionalSettings.bundlePolicy;
-                        delete clonedAdditionalSettings.rtcpMuxPolicy;
-                        delete clonedAdditionalSettings.sdpSemantics;
-                        this._handler = handlerFactory();
-                        this._handler.run({
-                            direction,
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                            iceServers,
-                            iceTransportPolicy,
-                            additionalSettings: clonedAdditionalSettings,
-                            proprietaryConstraints,
-                            extendedRtpCapabilities,
-                        });
-                        this._appData = appData ?? {};
-                        this.handleHandler();
-                    }
-                    /**
-                     * Transport id.
-                     */
-                    get id() {
-                        return this._id;
-                    }
-                    /**
-                     * Whether the Transport is closed.
-                     */
-                    get closed() {
-                        return this._closed;
-                    }
-                    /**
-                     * Transport direction.
-                     */
-                    get direction() {
-                        return this._direction;
-                    }
-                    /**
-                     * RTC handler instance.
-                     */
-                    get handler() {
-                        return this._handler;
-                    }
-                    /**
-                     * ICE gathering state.
-                     */
-                    get iceGatheringState() {
-                        return this._iceGatheringState;
-                    }
-                    /**
-                     * Connection state.
-                     */
-                    get connectionState() {
-                        return this._connectionState;
-                    }
-                    /**
-                     * App custom data.
-                     */
-                    get appData() {
-                        return this._appData;
-                    }
-                    /**
-                     * App custom data setter.
-                     */
-                    set appData(appData) {
-                        this._appData = appData;
-                    }
-                    get observer() {
-                        return this._observer;
-                    }
-                    /**
-                     * Close the Transport.
-                     */
-                    close() {
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('close()');
-                        this._closed = true;
-                        // Stop the AwaitQueue.
-                        this._awaitQueue.stop();
-                        // Close the handler.
-                        this._handler.close();
-                        // Change connection state to 'closed' since the handler may not emit
-                        // '@connectionstatechange' event.
-                        this._connectionState = 'closed';
-                        // Close all Producers.
-                        for (const producer of this._producers.values()) {
-                            producer.transportClosed();
-                        }
-                        this._producers.clear();
-                        // Close all Consumers.
-                        for (const consumer of this._consumers.values()) {
-                            consumer.transportClosed();
-                        }
-                        this._consumers.clear();
-                        // Close all DataProducers.
-                        for (const dataProducer of this._dataProducers.values()) {
-                            dataProducer.transportClosed();
-                        }
-                        this._dataProducers.clear();
-                        // Close all DataConsumers.
-                        for (const dataConsumer of this._dataConsumers.values()) {
-                            dataConsumer.transportClosed();
-                        }
-                        this._dataConsumers.clear();
-                        // Emit observer event.
-                        this._observer.safeEmit('close');
-                    }
-                    /**
-                     * Get associated Transport (RTCPeerConnection) stats.
-                     *
-                     * @returns {RTCStatsReport}
-                     */
-                    async getStats() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        }
-                        return this._handler.getTransportStats();
-                    }
-                    /**
-                     * Restart ICE connection.
-                     */
-                    async restartIce({ iceParameters }) {
-                        logger.debug('restartIce()');
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (!iceParameters) {
-                            throw new TypeError('missing iceParameters');
-                        }
-                        // Enqueue command.
-                        return this._awaitQueue.push(
-                            async () => await this._handler.restartIce(iceParameters),
-                            'transport.restartIce()',
-                        );
-                    }
-                    /**
-                     * Update ICE servers.
-                     */
-                    async updateIceServers({ iceServers } = {}) {
-                        logger.debug('updateIceServers()');
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (!Array.isArray(iceServers)) {
-                            throw new TypeError('missing iceServers');
-                        }
-                        // Enqueue command.
-                        return this._awaitQueue.push(
-                            async () => this._handler.updateIceServers(iceServers),
-                            'transport.updateIceServers()',
-                        );
-                    }
-                    /**
-                     * Create a Producer.
-                     */
-                    async produce({
-                        track,
-                        encodings,
-                        codecOptions,
-                        codec,
-                        stopTracks = true,
-                        disableTrackOnPause = true,
-                        zeroRtpOnPause = false,
-                        onRtpSender,
-                        appData = {},
-                    } = {}) {
-                        logger.debug('produce() [track:%o]', track);
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (!track) {
-                            throw new TypeError('missing track');
-                        } else if (this._direction !== 'send') {
-                            throw new errors_1.UnsupportedError('not a sending Transport');
-                        } else if (!this._canProduceByKind[track.kind]) {
-                            throw new errors_1.UnsupportedError(`cannot produce ${track.kind}`);
-                        } else if (track.readyState === 'ended') {
-                            throw new errors_1.InvalidStateError('track ended');
-                        } else if (this.listenerCount('connect') === 0 && this._connectionState === 'new') {
-                            throw new TypeError('no "connect" listener set into this transport');
-                        } else if (this.listenerCount('produce') === 0) {
-                            throw new TypeError('no "produce" listener set into this transport');
-                        } else if (appData && typeof appData !== 'object') {
-                            throw new TypeError('if given, appData must be an object');
-                        }
-                        // Enqueue command.
-                        return (
-                            this._awaitQueue
-                                .push(async () => {
-                                    let normalizedEncodings;
-                                    if (encodings && !Array.isArray(encodings)) {
-                                        throw TypeError('encodings must be an array');
-                                    } else if (encodings && encodings.length === 0) {
-                                        normalizedEncodings = undefined;
-                                    } else if (encodings) {
-                                        normalizedEncodings = encodings.map((encoding) => {
-                                            const normalizedEncoding = { active: true };
-                                            if (encoding.active === false) {
-                                                normalizedEncoding.active = false;
-                                            }
-                                            if (typeof encoding.dtx === 'boolean') {
-                                                normalizedEncoding.dtx = encoding.dtx;
-                                            }
-                                            if (typeof encoding.scalabilityMode === 'string') {
-                                                normalizedEncoding.scalabilityMode = encoding.scalabilityMode;
-                                            }
-                                            if (typeof encoding.scaleResolutionDownBy === 'number') {
-                                                normalizedEncoding.scaleResolutionDownBy =
-                                                    encoding.scaleResolutionDownBy;
-                                            }
-                                            if (typeof encoding.maxBitrate === 'number') {
-                                                normalizedEncoding.maxBitrate = encoding.maxBitrate;
-                                            }
-                                            if (typeof encoding.maxFramerate === 'number') {
-                                                normalizedEncoding.maxFramerate = encoding.maxFramerate;
-                                            }
-                                            if (typeof encoding.adaptivePtime === 'boolean') {
-                                                normalizedEncoding.adaptivePtime = encoding.adaptivePtime;
-                                            }
-                                            if (typeof encoding.priority === 'string') {
-                                                normalizedEncoding.priority = encoding.priority;
-                                            }
-                                            if (typeof encoding.networkPriority === 'string') {
-                                                normalizedEncoding.networkPriority = encoding.networkPriority;
-                                            }
-                                            return normalizedEncoding;
-                                        });
-                                    }
-                                    const { localId, rtpParameters, rtpSender } = await this._handler.send({
-                                        track,
-                                        encodings: normalizedEncodings,
-                                        codecOptions,
-                                        codec,
-                                        onRtpSender,
-                                    });
-                                    try {
-                                        // This will fill rtpParameters's missing fields with default values.
-                                        ortc.validateRtpParameters(rtpParameters);
-                                        const { id } = await new Promise((resolve, reject) => {
-                                            this.safeEmit(
-                                                'produce',
-                                                {
-                                                    kind: track.kind,
-                                                    rtpParameters,
-                                                    appData,
-                                                },
-                                                resolve,
-                                                reject,
-                                            );
-                                        });
-                                        const producer = new Producer_1.Producer({
-                                            id,
-                                            localId,
-                                            rtpSender,
-                                            track,
-                                            rtpParameters,
-                                            stopTracks,
-                                            disableTrackOnPause,
-                                            zeroRtpOnPause,
-                                            appData,
-                                        });
-                                        this._producers.set(producer.id, producer);
-                                        this.handleProducer(producer);
-                                        // Emit observer event.
-                                        this._observer.safeEmit('newproducer', producer);
-                                        return producer;
-                                    } catch (error) {
-                                        this._handler.stopSending(localId).catch(() => {});
-                                        throw error;
-                                    }
-                                }, 'transport.produce()')
-                                // This catch is needed to stop the given track if the command above
-                                // failed due to closed Transport.
-                                .catch((error) => {
-                                    if (stopTracks) {
-                                        try {
-                                            track.stop();
-                                        } catch (error2) {}
-                                    }
-                                    throw error;
-                                })
-                        );
-                    }
-                    /**
-                     * Create a Consumer to consume a remote Producer.
-                     */
-                    async consume({ id, producerId, kind, rtpParameters, streamId, onRtpReceiver, appData = {} }) {
-                        logger.debug('consume()');
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (this._direction !== 'recv') {
-                            throw new errors_1.UnsupportedError('not a receiving Transport');
-                        } else if (typeof id !== 'string') {
-                            throw new TypeError('missing id');
-                        } else if (typeof producerId !== 'string') {
-                            throw new TypeError('missing producerId');
-                        } else if (kind !== 'audio' && kind !== 'video') {
-                            throw new TypeError(`invalid kind '${kind}'`);
-                        } else if (this.listenerCount('connect') === 0 && this._connectionState === 'new') {
-                            throw new TypeError('no "connect" listener set into this transport');
-                        } else if (appData && typeof appData !== 'object') {
-                            throw new TypeError('if given, appData must be an object');
-                        }
-                        // Clone given RTP parameters to not modify input data.
-                        const clonedRtpParameters = utils.clone(rtpParameters);
-                        // Ensure the device can consume it.
-                        const canConsume = ortc.canReceive(clonedRtpParameters, this._extendedRtpCapabilities);
-                        if (!canConsume) {
-                            throw new errors_1.UnsupportedError('cannot consume this Producer');
-                        }
-                        const consumerCreationTask = new ConsumerCreationTask({
-                            id,
-                            producerId,
-                            kind,
-                            rtpParameters: clonedRtpParameters,
-                            streamId,
-                            onRtpReceiver,
-                            appData,
-                        });
-                        // Store the Consumer creation task.
-                        this._pendingConsumerTasks.push(consumerCreationTask);
-                        // There is no Consumer creation in progress, create it now.
-                        (0, queue_microtask_1.default)(() => {
-                            if (this._closed) {
-                                return;
-                            }
-                            if (this._consumerCreationInProgress === false) {
-                                void this.createPendingConsumers();
-                            }
-                        });
-                        return consumerCreationTask.promise;
-                    }
-                    /**
-                     * Create a DataProducer
-                     */
-                    async produceData({
-                        ordered = true,
-                        maxPacketLifeTime,
-                        maxRetransmits,
-                        label = '',
-                        protocol = '',
-                        appData = {},
-                    } = {}) {
-                        logger.debug('produceData()');
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (this._direction !== 'send') {
-                            throw new errors_1.UnsupportedError('not a sending Transport');
-                        } else if (!this._maxSctpMessageSize) {
-                            throw new errors_1.UnsupportedError('SCTP not enabled by remote Transport');
-                        } else if (this.listenerCount('connect') === 0 && this._connectionState === 'new') {
-                            throw new TypeError('no "connect" listener set into this transport');
-                        } else if (this.listenerCount('producedata') === 0) {
-                            throw new TypeError('no "producedata" listener set into this transport');
-                        } else if (appData && typeof appData !== 'object') {
-                            throw new TypeError('if given, appData must be an object');
-                        }
-                        if (maxPacketLifeTime || maxRetransmits) {
-                            ordered = false;
-                        }
-                        // Enqueue command.
-                        return this._awaitQueue.push(async () => {
-                            const { dataChannel, sctpStreamParameters } = await this._handler.sendDataChannel({
-                                ordered,
-                                maxPacketLifeTime,
-                                maxRetransmits,
-                                label,
-                                protocol,
-                            });
-                            // This will fill sctpStreamParameters's missing fields with default values.
-                            ortc.validateSctpStreamParameters(sctpStreamParameters);
-                            const { id } = await new Promise((resolve, reject) => {
-                                this.safeEmit(
-                                    'producedata',
-                                    {
-                                        sctpStreamParameters,
-                                        label,
-                                        protocol,
-                                        appData,
-                                    },
-                                    resolve,
-                                    reject,
-                                );
-                            });
-                            const dataProducer = new DataProducer_1.DataProducer({
-                                id,
-                                dataChannel,
-                                sctpStreamParameters,
-                                appData,
-                            });
-                            this._dataProducers.set(dataProducer.id, dataProducer);
-                            this.handleDataProducer(dataProducer);
-                            // Emit observer event.
-                            this._observer.safeEmit('newdataproducer', dataProducer);
-                            return dataProducer;
-                        }, 'transport.produceData()');
-                    }
-                    /**
-                     * Create a DataConsumer
-                     */
-                    async consumeData({
-                        id,
-                        dataProducerId,
-                        sctpStreamParameters,
-                        label = '',
-                        protocol = '',
-                        appData = {},
-                    }) {
-                        logger.debug('consumeData()');
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('closed');
-                        } else if (this._direction !== 'recv') {
-                            throw new errors_1.UnsupportedError('not a receiving Transport');
-                        } else if (!this._maxSctpMessageSize) {
-                            throw new errors_1.UnsupportedError('SCTP not enabled by remote Transport');
-                        } else if (typeof id !== 'string') {
-                            throw new TypeError('missing id');
-                        } else if (typeof dataProducerId !== 'string') {
-                            throw new TypeError('missing dataProducerId');
-                        } else if (this.listenerCount('connect') === 0 && this._connectionState === 'new') {
-                            throw new TypeError('no "connect" listener set into this transport');
-                        } else if (appData && typeof appData !== 'object') {
-                            throw new TypeError('if given, appData must be an object');
-                        }
-                        // Clone given SCTP stream parameters to not modify input data.
-                        const clonedSctpStreamParameters = utils.clone(sctpStreamParameters);
-                        // This may throw.
-                        ortc.validateSctpStreamParameters(clonedSctpStreamParameters);
-                        // Enqueue command.
-                        return this._awaitQueue.push(async () => {
-                            const { dataChannel } = await this._handler.receiveDataChannel({
-                                sctpStreamParameters: clonedSctpStreamParameters,
-                                label,
-                                protocol,
-                            });
-                            const dataConsumer = new DataConsumer_1.DataConsumer({
-                                id,
-                                dataProducerId,
-                                dataChannel,
-                                sctpStreamParameters: clonedSctpStreamParameters,
-                                appData,
-                            });
-                            this._dataConsumers.set(dataConsumer.id, dataConsumer);
-                            this.handleDataConsumer(dataConsumer);
-                            // Emit observer event.
-                            this._observer.safeEmit('newdataconsumer', dataConsumer);
-                            return dataConsumer;
-                        }, 'transport.consumeData()');
-                    }
-                    // This method is guaranteed to never throw.
-                    async createPendingConsumers() {
-                        this._consumerCreationInProgress = true;
-                        this._awaitQueue
-                            .push(async () => {
-                                if (this._pendingConsumerTasks.length === 0) {
-                                    logger.debug('createPendingConsumers() | there is no Consumer to be created');
-                                    return;
-                                }
-                                const pendingConsumerTasks = [...this._pendingConsumerTasks];
-                                // Clear pending Consumer tasks.
-                                this._pendingConsumerTasks = [];
-                                // Video Consumer in order to create the probator.
-                                let videoConsumerForProbator = undefined;
-                                // Fill options list.
-                                const optionsList = [];
-                                for (const task of pendingConsumerTasks) {
-                                    const { id, kind, rtpParameters, streamId, onRtpReceiver } = task.consumerOptions;
-                                    optionsList.push({
-                                        trackId: id,
-                                        kind: kind,
-                                        rtpParameters,
-                                        streamId,
-                                        onRtpReceiver,
-                                    });
-                                }
-                                try {
-                                    const results = await this._handler.receive(optionsList);
-                                    for (let idx = 0; idx < results.length; ++idx) {
-                                        const task = pendingConsumerTasks[idx];
-                                        const result = results[idx];
-                                        const { id, producerId, kind, rtpParameters, appData } = task.consumerOptions;
-                                        const { localId, rtpReceiver, track } = result;
-                                        const consumer = new Consumer_1.Consumer({
-                                            id: id,
-                                            localId,
-                                            producerId: producerId,
-                                            rtpReceiver,
-                                            track,
-                                            rtpParameters,
-                                            appData: appData,
-                                        });
-                                        this._consumers.set(consumer.id, consumer);
-                                        this.handleConsumer(consumer);
-                                        // If this is the first video Consumer and the Consumer for RTP probation
-                                        // has not yet been created, it's time to create it.
-                                        if (
-                                            !this._probatorConsumerCreated &&
-                                            !videoConsumerForProbator &&
-                                            kind === 'video'
-                                        ) {
-                                            videoConsumerForProbator = consumer;
-                                        }
-                                        // Emit observer event.
-                                        this._observer.safeEmit('newconsumer', consumer);
-                                        task.resolve(consumer);
-                                    }
-                                } catch (error) {
-                                    for (const task of pendingConsumerTasks) {
-                                        task.reject(error);
-                                    }
-                                }
-                                // If RTP probation must be handled, do it now.
-                                if (videoConsumerForProbator) {
-                                    try {
-                                        const probatorRtpParameters = ortc.generateProbatorRtpParameters(
-                                            videoConsumerForProbator.rtpParameters,
-                                        );
-                                        await this._handler.receive([
-                                            {
-                                                trackId: 'probator',
-                                                kind: 'video',
-                                                rtpParameters: probatorRtpParameters,
-                                            },
-                                        ]);
-                                        logger.debug('createPendingConsumers() | Consumer for RTP probation created');
-                                        this._probatorConsumerCreated = true;
-                                    } catch (error) {
-                                        logger.error(
-                                            'createPendingConsumers() | failed to create Consumer for RTP probation:%o',
-                                            error,
-                                        );
-                                    }
-                                }
-                            }, 'transport.createPendingConsumers()')
-                            .then(() => {
-                                this._consumerCreationInProgress = false;
-                                // There are pending Consumer tasks, enqueue their creation.
-                                if (this._pendingConsumerTasks.length > 0) {
-                                    void this.createPendingConsumers();
-                                }
-                            })
-                            // NOTE: We only get here when the await queue is closed.
-                            .catch(() => {});
-                    }
-                    pausePendingConsumers() {
-                        this._consumerPauseInProgress = true;
-                        this._awaitQueue
-                            .push(async () => {
-                                if (this._pendingPauseConsumers.size === 0) {
-                                    logger.debug('pausePendingConsumers() | there is no Consumer to be paused');
-                                    return;
-                                }
-                                const pendingPauseConsumers = Array.from(this._pendingPauseConsumers.values());
-                                // Clear pending pause Consumer map.
-                                this._pendingPauseConsumers.clear();
-                                try {
-                                    const localIds = pendingPauseConsumers.map((consumer) => consumer.localId);
-                                    await this._handler.pauseReceiving(localIds);
-                                } catch (error) {
-                                    logger.error('pausePendingConsumers() | failed to pause Consumers:', error);
-                                }
-                            }, 'transport.pausePendingConsumers')
-                            .then(() => {
-                                this._consumerPauseInProgress = false;
-                                // There are pending Consumers to be paused, do it.
-                                if (this._pendingPauseConsumers.size > 0) {
-                                    this.pausePendingConsumers();
-                                }
-                            })
-                            // NOTE: We only get here when the await queue is closed.
-                            .catch(() => {});
-                    }
-                    resumePendingConsumers() {
-                        this._consumerResumeInProgress = true;
-                        this._awaitQueue
-                            .push(async () => {
-                                if (this._pendingResumeConsumers.size === 0) {
-                                    logger.debug('resumePendingConsumers() | there is no Consumer to be resumed');
-                                    return;
-                                }
-                                const pendingResumeConsumers = Array.from(this._pendingResumeConsumers.values());
-                                // Clear pending resume Consumer map.
-                                this._pendingResumeConsumers.clear();
-                                try {
-                                    const localIds = pendingResumeConsumers.map((consumer) => consumer.localId);
-                                    await this._handler.resumeReceiving(localIds);
-                                } catch (error) {
-                                    logger.error('resumePendingConsumers() | failed to resume Consumers:', error);
-                                }
-                            }, 'transport.resumePendingConsumers')
-                            .then(() => {
-                                this._consumerResumeInProgress = false;
-                                // There are pending Consumer to be resumed, do it.
-                                if (this._pendingResumeConsumers.size > 0) {
-                                    this.resumePendingConsumers();
-                                }
-                            })
-                            // NOTE: We only get here when the await queue is closed.
-                            .catch(() => {});
-                    }
-                    closePendingConsumers() {
-                        this._consumerCloseInProgress = true;
-                        this._awaitQueue
-                            .push(async () => {
-                                if (this._pendingCloseConsumers.size === 0) {
-                                    logger.debug('closePendingConsumers() | there is no Consumer to be closed');
-                                    return;
-                                }
-                                const pendingCloseConsumers = Array.from(this._pendingCloseConsumers.values());
-                                // Clear pending close Consumer map.
-                                this._pendingCloseConsumers.clear();
-                                try {
-                                    await this._handler.stopReceiving(
-                                        pendingCloseConsumers.map((consumer) => consumer.localId),
-                                    );
-                                } catch (error) {
-                                    logger.error('closePendingConsumers() | failed to close Consumers:', error);
-                                }
-                            }, 'transport.closePendingConsumers')
-                            .then(() => {
-                                this._consumerCloseInProgress = false;
-                                // There are pending Consumer to be resumed, do it.
-                                if (this._pendingCloseConsumers.size > 0) {
-                                    this.closePendingConsumers();
-                                }
-                            })
-                            // NOTE: We only get here when the await queue is closed.
-                            .catch(() => {});
-                    }
-                    handleHandler() {
-                        const handler = this._handler;
-                        handler.on('@connect', ({ dtlsParameters }, callback, errback) => {
-                            if (this._closed) {
-                                errback(new errors_1.InvalidStateError('closed'));
-                                return;
-                            }
-                            this.safeEmit('connect', { dtlsParameters }, callback, errback);
-                        });
-                        handler.on('@icegatheringstatechange', (iceGatheringState) => {
-                            if (iceGatheringState === this._iceGatheringState) {
-                                return;
-                            }
-                            logger.debug('ICE gathering state changed to %s', iceGatheringState);
-                            this._iceGatheringState = iceGatheringState;
-                            if (!this._closed) {
-                                this.safeEmit('icegatheringstatechange', iceGatheringState);
-                            }
-                        });
-                        handler.on('@icecandidateerror', (event) => {
-                            logger.warn(
-                                `ICE candidate error [url:${event.url}, localAddress:${event.address}, localPort:${event.port}]: ${event.errorCode} "${event.errorText}"`,
-                            );
-                            this.safeEmit('icecandidateerror', event);
-                        });
-                        handler.on('@connectionstatechange', (connectionState) => {
-                            if (connectionState === this._connectionState) {
-                                return;
-                            }
-                            logger.debug('connection state changed to %s', connectionState);
-                            this._connectionState = connectionState;
-                            if (!this._closed) {
-                                this.safeEmit('connectionstatechange', connectionState);
-                            }
-                        });
-                    }
-                    handleProducer(producer) {
-                        producer.on('@close', () => {
-                            this._producers.delete(producer.id);
-                            if (this._closed) {
-                                return;
-                            }
-                            this._awaitQueue
-                                .push(
-                                    async () => await this._handler.stopSending(producer.localId),
-                                    'producer @close event',
-                                )
-                                .catch((error) => logger.warn('producer.close() failed:%o', error));
-                        });
-                        producer.on('@pause', (callback, errback) => {
-                            this._awaitQueue
-                                .push(
-                                    async () => await this._handler.pauseSending(producer.localId),
-                                    'producer @pause event',
-                                )
-                                .then(callback)
-                                .catch(errback);
-                        });
-                        producer.on('@resume', (callback, errback) => {
-                            this._awaitQueue
-                                .push(
-                                    async () => await this._handler.resumeSending(producer.localId),
-                                    'producer @resume event',
-                                )
-                                .then(callback)
-                                .catch(errback);
-                        });
-                        producer.on('@replacetrack', (track, callback, errback) => {
-                            this._awaitQueue
-                                .push(
-                                    async () => await this._handler.replaceTrack(producer.localId, track),
-                                    'producer @replacetrack event',
-                                )
-                                .then(callback)
-                                .catch(errback);
-                        });
-                        producer.on('@setmaxspatiallayer', (spatialLayer, callback, errback) => {
-                            this._awaitQueue
-                                .push(
-                                    async () => await this._handler.setMaxSpatialLayer(producer.localId, spatialLayer),
-                                    'producer @setmaxspatiallayer event',
-                                )
-                                .then(callback)
-                                .catch(errback);
-                        });
-                        producer.on('@setrtpencodingparameters', (params, callback, errback) => {
-                            this._awaitQueue
-                                .push(
-                                    async () => await this._handler.setRtpEncodingParameters(producer.localId, params),
-                                    'producer @setrtpencodingparameters event',
-                                )
-                                .then(callback)
-                                .catch(errback);
-                        });
-                        producer.on('@getstats', (callback, errback) => {
-                            if (this._closed) {
-                                return errback(new errors_1.InvalidStateError('closed'));
-                            }
-                            this._handler.getSenderStats(producer.localId).then(callback).catch(errback);
-                        });
-                    }
-                    handleConsumer(consumer) {
-                        consumer.on('@close', () => {
-                            this._consumers.delete(consumer.id);
-                            this._pendingPauseConsumers.delete(consumer.id);
-                            this._pendingResumeConsumers.delete(consumer.id);
-                            if (this._closed) {
-                                return;
-                            }
-                            // Store the Consumer into the close list.
-                            this._pendingCloseConsumers.set(consumer.id, consumer);
-                            // There is no Consumer close in progress, do it now.
-                            if (this._consumerCloseInProgress === false) {
-                                this.closePendingConsumers();
-                            }
-                        });
-                        consumer.on('@pause', () => {
-                            // If Consumer is pending to be resumed, remove from pending resume list.
-                            if (this._pendingResumeConsumers.has(consumer.id)) {
-                                this._pendingResumeConsumers.delete(consumer.id);
-                            }
-                            // Store the Consumer into the pending list.
-                            this._pendingPauseConsumers.set(consumer.id, consumer);
-                            // There is no Consumer pause in progress, do it now.
-                            (0, queue_microtask_1.default)(() => {
-                                if (this._closed) {
-                                    return;
-                                }
-                                if (this._consumerPauseInProgress === false) {
-                                    this.pausePendingConsumers();
-                                }
-                            });
-                        });
-                        consumer.on('@resume', () => {
-                            // If Consumer is pending to be paused, remove from pending pause list.
-                            if (this._pendingPauseConsumers.has(consumer.id)) {
-                                this._pendingPauseConsumers.delete(consumer.id);
-                            }
-                            // Store the Consumer into the pending list.
-                            this._pendingResumeConsumers.set(consumer.id, consumer);
-                            // There is no Consumer resume in progress, do it now.
-                            (0, queue_microtask_1.default)(() => {
-                                if (this._closed) {
-                                    return;
-                                }
-                                if (this._consumerResumeInProgress === false) {
-                                    this.resumePendingConsumers();
-                                }
-                            });
-                        });
-                        consumer.on('@getstats', (callback, errback) => {
-                            if (this._closed) {
-                                return errback(new errors_1.InvalidStateError('closed'));
-                            }
-                            this._handler.getReceiverStats(consumer.localId).then(callback).catch(errback);
-                        });
-                    }
-                    handleDataProducer(dataProducer) {
-                        dataProducer.on('@close', () => {
-                            this._dataProducers.delete(dataProducer.id);
-                        });
-                    }
-                    handleDataConsumer(dataConsumer) {
-                        dataConsumer.on('@close', () => {
-                            this._dataConsumers.delete(dataConsumer.id);
-                        });
-                    }
-                }
-                exports.Transport = Transport;
-            },
-            {
-                './Consumer': 14,
-                './DataConsumer': 15,
-                './DataProducer': 16,
-                './Logger': 18,
-                './Producer': 19,
-                './enhancedEvents': 23,
-                './errors': 24,
-                './ortc': 46,
-                './utils': 49,
-                awaitqueue: 5,
-                'queue-microtask': 54,
-            },
-        ],
-        23: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.EnhancedEventEmitter = void 0;
-                const npm_events_package_1 = require('npm-events-package');
-                const Logger_1 = require('./Logger');
-                const enhancedEventEmitterLogger = new Logger_1.Logger('EnhancedEventEmitter');
-                class EnhancedEventEmitter extends npm_events_package_1.EventEmitter {
-                    constructor() {
-                        super();
-                        this.setMaxListeners(Infinity);
-                    }
-                    emit(eventName, ...args) {
-                        return super.emit(eventName, ...args);
-                    }
-                    /**
-                     * Special addition to the EventEmitter API.
-                     */
-                    safeEmit(eventName, ...args) {
-                        try {
-                            return super.emit(eventName, ...args);
-                        } catch (error) {
-                            enhancedEventEmitterLogger.error(
-                                'safeEmit() | event listener threw an error [eventName:%s]:%o',
-                                eventName,
-                                error,
-                            );
-                            try {
-                                super.emit('listenererror', eventName, error);
-                            } catch (error2) {
-                                // Ignore it.
-                            }
-                            return Boolean(super.listenerCount(eventName));
-                        }
-                    }
-                    on(eventName, listener) {
-                        super.on(eventName, listener);
-                        return this;
-                    }
-                    off(eventName, listener) {
-                        super.off(eventName, listener);
-                        return this;
-                    }
-                    addListener(eventName, listener) {
-                        super.on(eventName, listener);
-                        return this;
-                    }
-                    prependListener(eventName, listener) {
-                        super.prependListener(eventName, listener);
-                        return this;
-                    }
-                    once(eventName, listener) {
-                        super.once(eventName, listener);
-                        return this;
-                    }
-                    prependOnceListener(eventName, listener) {
-                        super.prependOnceListener(eventName, listener);
-                        return this;
-                    }
-                    removeListener(eventName, listener) {
-                        super.off(eventName, listener);
-                        return this;
-                    }
-                    removeAllListeners(eventName) {
-                        super.removeAllListeners(eventName);
-                        return this;
-                    }
-                    listenerCount(eventName) {
-                        return super.listenerCount(eventName);
-                    }
-                    listeners(eventName) {
-                        return super.listeners(eventName);
-                    }
-                    rawListeners(eventName) {
-                        return super.rawListeners(eventName);
-                    }
-                }
-                exports.EnhancedEventEmitter = EnhancedEventEmitter;
-            },
-            { './Logger': 18, 'npm-events-package': 53 },
-        ],
-        24: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.InvalidStateError = exports.UnsupportedError = void 0;
-                /**
-                 * Error indicating not support for something.
-                 */
-                class UnsupportedError extends Error {
-                    constructor(message) {
-                        super(message);
-                        this.name = 'UnsupportedError';
-                        if (Error.hasOwnProperty('captureStackTrace')) {
-                            Error.captureStackTrace(this, UnsupportedError);
-                        } else {
-                            this.stack = new Error(message).stack;
-                        }
-                    }
-                }
-                exports.UnsupportedError = UnsupportedError;
-                /**
-                 * Error produced when calling a method in an invalid state.
-                 */
-                class InvalidStateError extends Error {
-                    constructor(message) {
-                        super(message);
-                        this.name = 'InvalidStateError';
-                        if (Error.hasOwnProperty('captureStackTrace')) {
-                            // Just in V8.
-                            Error.captureStackTrace(this, InvalidStateError);
-                        } else {
-                            this.stack = new Error(message).stack;
-                        }
-                    }
-                }
-                exports.InvalidStateError = InvalidStateError;
-            },
-            {},
-        ],
-        25: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Chrome111 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpUnifiedPlanUtils = __importStar(require('./sdp/unifiedPlanUtils'));
-                const ortcUtils = __importStar(require('./ortc/utils'));
-                const errors_1 = require('../errors');
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const scalabilityModes_1 = require('../scalabilityModes');
-                const logger = new Logger_1.Logger('Chrome111');
-                const NAME = 'Chrome111';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class Chrome111 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Chrome111();
-                    }
-                    constructor() {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Map of RTCTransceivers indexed by MID.
-                        this._mapMidTransceiver = new Map();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        if (this._closed) {
-                            return;
-                        }
-                        this._closed = true;
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'unified-plan',
-                        });
-                        try {
-                            pc.addTransceiver('audio');
-                            pc.addTransceiver('video');
-                            const offer = await pc.createOffer();
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            // libwebrtc supports NACK for OPUS but doesn't announce it.
-                            ortcUtils.addNackSupportForOpus(nativeRtpCapabilities);
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        this.assertNotClosed();
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                sdpSemantics: 'unified-plan',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        this.assertNotClosed();
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        this.assertNotClosed();
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        this.assertNotClosed();
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec, onRtpSender }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (encodings && encodings.length > 1) {
-                            // Set rid and verify scalabilityMode in each encoding.
-                            // NOTE: Even if WebRTC allows different scalabilityMode (different number
-                            // of temporal layers) per simulcast stream, we need that those are the
-                            // same in all them, so let's pick up the highest value.
-                            // NOTE: If scalabilityMode is not given, Chrome will use L1T3.
-                            let maxTemporalLayers = 1;
-                            for (const encoding of encodings) {
-                                const temporalLayers = encoding.scalabilityMode
-                                    ? (0, scalabilityModes_1.parse)(encoding.scalabilityMode).temporalLayers
-                                    : 3;
-                                if (temporalLayers > maxTemporalLayers) {
-                                    maxTemporalLayers = temporalLayers;
-                                }
-                            }
-                            encodings.forEach((encoding, idx) => {
-                                encoding.rid = `r${idx}`;
-                                encoding.scalabilityMode = `L1T${maxTemporalLayers}`;
-                            });
-                        }
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        // This may throw.
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs, codec);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        // This may throw.
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs, codec);
-                        const mediaSectionIdx = this._remoteSdp.getNextMediaSectionIdx();
-                        const transceiver = this._pc.addTransceiver(track, {
-                            direction: 'sendonly',
-                            streams: [this._sendStream],
-                            sendEncodings: encodings,
-                        });
-                        if (onRtpSender) {
-                            onRtpSender(transceiver.sender);
-                        }
-                        const offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        // We can now get the transceiver.mid.
-                        const localId = transceiver.mid;
-                        // Set MID.
-                        sendingRtpParameters.mid = localId;
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        const offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings by parsing the SDP offer if no encodings are given.
-                        if (!encodings) {
-                            sendingRtpParameters.encodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                        }
-                        // Set RTP encodings by parsing the SDP offer and complete them with given
-                        // one if just a single encoding has been given.
-                        else if (encodings.length === 1) {
-                            const newEncodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                            Object.assign(newEncodings[0], encodings[0]);
-                            sendingRtpParameters.encodings = newEncodings;
-                        }
-                        // Otherwise if more than 1 encoding are given use them verbatim.
-                        else {
-                            sendingRtpParameters.encodings = encodings;
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            reuseMid: mediaSectionIdx.reuseMid,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                            extmapAllowMixed: true,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        // Store in the map.
-                        this._mapMidTransceiver.set(localId, transceiver);
-                        return {
-                            localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender: transceiver.sender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        if (this._closed) {
-                            return;
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        void transceiver.sender.replaceTrack(null);
-                        this._pc.removeTrack(transceiver.sender);
-                        const mediaSectionClosed = this._remoteSdp.closeMediaSection(transceiver.mid);
-                        if (mediaSectionClosed) {
-                            try {
-                                transceiver.stop();
-                            } catch (error) {}
-                        }
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        this._mapMidTransceiver.delete(localId);
-                    }
-                    async pauseSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('pauseSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'inactive';
-                        this._remoteSdp.pauseMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('pauseSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async resumeSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('resumeSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        this._remoteSdp.resumeSendingMediaSection(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'sendonly';
-                        const offer = await this._pc.createOffer();
-                        logger.debug('resumeSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        await transceiver.sender.replaceTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug(
-                            'setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]',
-                            answer,
-                        );
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.sender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapLocalId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const localId = rtpParameters.mid ?? String(this._mapMidTransceiver.size);
-                            mapLocalId.set(trackId, localId);
-                            this._remoteSdp.receive({
-                                mid: localId,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        for (const options of optionsList) {
-                            const { trackId, onRtpReceiver } = options;
-                            if (onRtpReceiver) {
-                                const localId = mapLocalId.get(trackId);
-                                const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                                if (!transceiver) {
-                                    throw new Error('transceiver not found');
-                                }
-                                onRtpReceiver(transceiver.receiver);
-                            }
-                        }
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { trackId, rtpParameters } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === localId);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { trackId } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                            if (!transceiver) {
-                                throw new Error('new RTCRtpTransceiver not found');
-                            } else {
-                                // Store in the map.
-                                this._mapMidTransceiver.set(localId, transceiver);
-                                results.push({
-                                    localId,
-                                    track: transceiver.receiver.track,
-                                    rtpReceiver: transceiver.receiver,
-                                });
-                            }
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            this._remoteSdp.closeMediaSection(transceiver.mid);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const localId of localIds) {
-                            this._mapMidTransceiver.delete(localId);
-                        }
-                    }
-                    async pauseReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('pauseReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'inactive';
-                            this._remoteSdp.pauseMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('pauseReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async resumeReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('resumeReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'recvonly';
-                            this._remoteSdp.resumeReceivingMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('resumeReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.receiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation();
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertNotClosed() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('method called in a closed handler');
-                        }
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Chrome111 = Chrome111;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../scalabilityModes': 47,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './ortc/utils': 39,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/unifiedPlanUtils': 44,
-                'sdp-transform': 56,
-            },
-        ],
-        26: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Chrome55 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const errors_1 = require('../errors');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpPlanBUtils = __importStar(require('./sdp/planBUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const logger = new Logger_1.Logger('Chrome55');
-                const NAME = 'Chrome55';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class Chrome55 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Chrome55();
-                    }
-                    constructor() {
-                        super();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Map of sending MediaStreamTracks indexed by localId.
-                        this._mapSendLocalIdTrack = new Map();
-                        // Next sending localId.
-                        this._nextSendLocalId = 0;
-                        // Map of MID, RTP parameters and RTCRtpReceiver indexed by local id.
-                        // Value is an Object with mid, rtpParameters and rtpReceiver.
-                        this._mapRecvLocalIdInfo = new Map();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'plan-b',
-                        });
-                        try {
-                            const offer = await pc.createOffer({
-                                offerToReceiveAudio: true,
-                                offerToReceiveVideo: true,
-                            });
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                            planB: true,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                sdpSemantics: 'plan-b',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec }) {
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (codec) {
-                            logger.warn('send() | codec selection is not available in %s handler', this.name);
-                        }
-                        this._sendStream.addTrack(track);
-                        this._pc.addStream(this._sendStream);
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs);
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        if (track.kind === 'video' && encodings && encodings.length > 1) {
-                            logger.debug('send() | enabling simulcast');
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media.find((m) => m.type === 'video');
-                            sdpPlanBUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                track,
-                                numStreams: encodings.length,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media.find((m) => m.type === track.kind);
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings.
-                        sendingRtpParameters.encodings = sdpPlanBUtils.getRtpEncodings({
-                            offerMediaObject,
-                            track,
-                        });
-                        // Complete encodings with given values.
-                        if (encodings) {
-                            for (let idx = 0; idx < sendingRtpParameters.encodings.length; ++idx) {
-                                if (encodings[idx]) {
-                                    Object.assign(sendingRtpParameters.encodings[idx], encodings[idx]);
-                                }
-                            }
-                        }
-                        // If VP8 and there is effective simulcast, add scalabilityMode to each
-                        // encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8'
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                encoding.scalabilityMode = 'L1T3';
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        const localId = String(this._nextSendLocalId);
-                        this._nextSendLocalId++;
-                        // Insert into the map.
-                        this._mapSendLocalIdTrack.set(localId, track);
-                        return {
-                            localId: localId,
-                            rtpParameters: sendingRtpParameters,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        const track = this._mapSendLocalIdTrack.get(localId);
-                        if (!track) {
-                            throw new Error('track not found');
-                        }
-                        this._mapSendLocalIdTrack.delete(localId);
-                        this._sendStream.removeTrack(track);
-                        this._pc.addStream(this._sendStream);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        try {
-                            await this._pc.setLocalDescription(offer);
-                        } catch (error) {
-                            // NOTE: If there are no sending tracks, setLocalDescription() will fail with
-                            // "Failed to create channels". If so, ignore it.
-                            if (this._sendStream.getTracks().length === 0) {
-                                logger.warn(
-                                    'stopSending() | ignoring expected error due no sending tracks: %s',
-                                    error.toString(),
-                                );
-                                return;
-                            }
-                            throw error;
-                        }
-                        if (this._pc.signalingState === 'stable') {
-                            return;
-                        }
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async pauseSending(localId) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async resumeSending(localId) {
-                        // Unimplemented.
-                    }
-                    async replaceTrack(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localId,
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        track,
-                    ) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    async setMaxSpatialLayer(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localId,
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        spatialLayer,
-                    ) {
-                        throw new errors_1.UnsupportedError(' not implemented');
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async setRtpEncodingParameters(localId, params) {
-                        throw new errors_1.UnsupportedError('not supported');
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async getSenderStats(localId) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertRecvDirection();
-                        const results = [];
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const mid = kind;
-                            this._remoteSdp.receive({
-                                mid,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { kind, rtpParameters } = options;
-                            const mid = kind;
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === mid);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { kind, trackId, rtpParameters } = options;
-                            const mid = kind;
-                            const localId = trackId;
-                            const streamId = options.streamId ?? rtpParameters.rtcp.cname;
-                            const stream = this._pc.getRemoteStreams().find((s) => s.id === streamId);
-                            const track = stream.getTrackById(localId);
-                            if (!track) {
-                                throw new Error('remote track not found');
-                            }
-                            // Insert into the map.
-                            this._mapRecvLocalIdInfo.set(localId, { mid, rtpParameters });
-                            results.push({ localId, track });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const { mid, rtpParameters } = this._mapRecvLocalIdInfo.get(localId) ?? {};
-                            // Remove from the map.
-                            this._mapRecvLocalIdInfo.delete(localId);
-                            this._remoteSdp.planBStopReceiving({
-                                mid: mid,
-                                offerRtpParameters: rtpParameters,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async pauseReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async resumeReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async getReceiverStats(localId) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation({ oldDataChannelSpec: true });
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Chrome55 = Chrome55;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/planBUtils': 43,
-                'sdp-transform': 56,
-            },
-        ],
-        27: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Chrome67 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpPlanBUtils = __importStar(require('./sdp/planBUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const logger = new Logger_1.Logger('Chrome67');
-                const NAME = 'Chrome67';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class Chrome67 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Chrome67();
-                    }
-                    constructor() {
-                        super();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Map of RTCRtpSender indexed by localId.
-                        this._mapSendLocalIdRtpSender = new Map();
-                        // Next sending localId.
-                        this._nextSendLocalId = 0;
-                        // Map of MID, RTP parameters and RTCRtpReceiver indexed by local id.
-                        // Value is an Object with mid, rtpParameters and rtpReceiver.
-                        this._mapRecvLocalIdInfo = new Map();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'plan-b',
-                        });
-                        try {
-                            const offer = await pc.createOffer({
-                                offerToReceiveAudio: true,
-                                offerToReceiveVideo: true,
-                            });
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                            planB: true,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                sdpSemantics: 'plan-b',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec }) {
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (codec) {
-                            logger.warn('send() | codec selection is not available in %s handler', this.name);
-                        }
-                        this._sendStream.addTrack(track);
-                        this._pc.addTrack(track, this._sendStream);
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs);
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        if (track.kind === 'video' && encodings && encodings.length > 1) {
-                            logger.debug('send() | enabling simulcast');
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media.find((m) => m.type === 'video');
-                            sdpPlanBUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                track,
-                                numStreams: encodings.length,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media.find((m) => m.type === track.kind);
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings.
-                        sendingRtpParameters.encodings = sdpPlanBUtils.getRtpEncodings({
-                            offerMediaObject,
-                            track,
-                        });
-                        // Complete encodings with given values.
-                        if (encodings) {
-                            for (let idx = 0; idx < sendingRtpParameters.encodings.length; ++idx) {
-                                if (encodings[idx]) {
-                                    Object.assign(sendingRtpParameters.encodings[idx], encodings[idx]);
-                                }
-                            }
-                        }
-                        // If VP8 and there is effective simulcast, add scalabilityMode to each
-                        // encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8'
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                encoding.scalabilityMode = 'L1T3';
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        const localId = String(this._nextSendLocalId);
-                        this._nextSendLocalId++;
-                        const rtpSender = this._pc.getSenders().find((s) => s.track === track);
-                        // Insert into the map.
-                        this._mapSendLocalIdRtpSender.set(localId, rtpSender);
-                        return {
-                            localId: localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        this._pc.removeTrack(rtpSender);
-                        if (rtpSender.track) {
-                            this._sendStream.removeTrack(rtpSender.track);
-                        }
-                        this._mapSendLocalIdRtpSender.delete(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        try {
-                            await this._pc.setLocalDescription(offer);
-                        } catch (error) {
-                            // NOTE: If there are no sending tracks, setLocalDescription() will fail with
-                            // "Failed to create channels". If so, ignore it.
-                            if (this._sendStream.getTracks().length === 0) {
-                                logger.warn(
-                                    'stopSending() | ignoring expected error due no sending tracks: %s',
-                                    error.toString(),
-                                );
-                                return;
-                            }
-                            throw error;
-                        }
-                        if (this._pc.signalingState === 'stable') {
-                            return;
-                        }
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async pauseSending(localId) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async resumeSending(localId) {
-                        // Unimplemented.
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        const oldTrack = rtpSender.track;
-                        await rtpSender.replaceTrack(track);
-                        // Remove the old track from the local stream.
-                        if (oldTrack) {
-                            this._sendStream.removeTrack(oldTrack);
-                        }
-                        // Add the new track to the local stream.
-                        if (track) {
-                            this._sendStream.addTrack(track);
-                        }
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        const parameters = rtpSender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await rtpSender.setParameters(parameters);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        const parameters = rtpSender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await rtpSender.setParameters(parameters);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertSendDirection();
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        return rtpSender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertRecvDirection();
-                        const results = [];
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const mid = kind;
-                            this._remoteSdp.receive({
-                                mid,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { kind, rtpParameters } = options;
-                            const mid = kind;
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === mid);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { kind, trackId, rtpParameters } = options;
-                            const localId = trackId;
-                            const mid = kind;
-                            const rtpReceiver = this._pc.getReceivers().find((r) => r.track && r.track.id === localId);
-                            if (!rtpReceiver) {
-                                throw new Error('new RTCRtpReceiver not');
-                            }
-                            // Insert into the map.
-                            this._mapRecvLocalIdInfo.set(localId, {
-                                mid,
-                                rtpParameters,
-                                rtpReceiver,
-                            });
-                            results.push({
-                                localId,
-                                track: rtpReceiver.track,
-                                rtpReceiver,
-                            });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const { mid, rtpParameters } = this._mapRecvLocalIdInfo.get(localId) ?? {};
-                            // Remove from the map.
-                            this._mapRecvLocalIdInfo.delete(localId);
-                            this._remoteSdp.planBStopReceiving({
-                                mid: mid,
-                                offerRtpParameters: rtpParameters,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async pauseReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async resumeReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertRecvDirection();
-                        const { rtpReceiver } = this._mapRecvLocalIdInfo.get(localId) ?? {};
-                        if (!rtpReceiver) {
-                            throw new Error('associated RTCRtpReceiver not found');
-                        }
-                        return rtpReceiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation({ oldDataChannelSpec: true });
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Chrome67 = Chrome67;
-            },
-            {
-                '../Logger': 18,
-                '../ortc': 46,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/planBUtils': 43,
-                'sdp-transform': 56,
-            },
-        ],
-        28: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Chrome70 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpUnifiedPlanUtils = __importStar(require('./sdp/unifiedPlanUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const scalabilityModes_1 = require('../scalabilityModes');
-                const logger = new Logger_1.Logger('Chrome70');
-                const NAME = 'Chrome70';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class Chrome70 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Chrome70();
-                    }
-                    constructor() {
-                        super();
-                        // Map of RTCTransceivers indexed by MID.
-                        this._mapMidTransceiver = new Map();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'unified-plan',
-                        });
-                        try {
-                            pc.addTransceiver('audio');
-                            pc.addTransceiver('video');
-                            const offer = await pc.createOffer();
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                sdpSemantics: 'unified-plan',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec }) {
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        // This may throw.
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs, codec);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        // This may throw.
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs, codec);
-                        const mediaSectionIdx = this._remoteSdp.getNextMediaSectionIdx();
-                        const transceiver = this._pc.addTransceiver(track, {
-                            direction: 'sendonly',
-                            streams: [this._sendStream],
-                        });
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        if (encodings && encodings.length > 1) {
-                            logger.debug('send() | enabling legacy simulcast');
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                            sdpUnifiedPlanUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                numStreams: encodings.length,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        // Special case for VP9 with SVC.
-                        let hackVp9Svc = false;
-                        const layers = (0, scalabilityModes_1.parse)((encodings ?? [{}])[0].scalabilityMode);
-                        if (
-                            encodings &&
-                            encodings.length === 1 &&
-                            layers.spatialLayers > 1 &&
-                            sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp9'
-                        ) {
-                            logger.debug('send() | enabling legacy simulcast for VP9 SVC');
-                            hackVp9Svc = true;
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                            sdpUnifiedPlanUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                numStreams: layers.spatialLayers,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        // If encodings are given, apply them now.
-                        if (encodings) {
-                            logger.debug('send() | applying given encodings');
-                            const parameters = transceiver.sender.getParameters();
-                            for (let idx = 0; idx < (parameters.encodings ?? []).length; ++idx) {
-                                const encoding = parameters.encodings[idx];
-                                const desiredEncoding = encodings[idx];
-                                // Should not happen but just in case.
-                                if (!desiredEncoding) {
-                                    break;
-                                }
-                                parameters.encodings[idx] = Object.assign(encoding, desiredEncoding);
-                            }
-                            await transceiver.sender.setParameters(parameters);
-                        }
-                        // We can now get the transceiver.mid.
-                        const localId = transceiver.mid;
-                        // Set MID.
-                        sendingRtpParameters.mid = localId;
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings.
-                        sendingRtpParameters.encodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                            offerMediaObject,
-                        });
-                        // Complete encodings with given values.
-                        if (encodings) {
-                            for (let idx = 0; idx < sendingRtpParameters.encodings.length; ++idx) {
-                                if (encodings[idx]) {
-                                    Object.assign(sendingRtpParameters.encodings[idx], encodings[idx]);
-                                }
-                            }
-                        }
-                        // Hack for VP9 SVC.
-                        if (hackVp9Svc) {
-                            sendingRtpParameters.encodings = [sendingRtpParameters.encodings[0]];
-                        }
-                        // If VP8 or H264 and there is effective simulcast, add scalabilityMode to
-                        // each encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            (sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8' ||
-                                sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/h264')
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                encoding.scalabilityMode = 'L1T3';
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            reuseMid: mediaSectionIdx.reuseMid,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        // Store in the map.
-                        this._mapMidTransceiver.set(localId, transceiver);
-                        return {
-                            localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender: transceiver.sender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        void transceiver.sender.replaceTrack(null);
-                        this._pc.removeTrack(transceiver.sender);
-                        const mediaSectionClosed = this._remoteSdp.closeMediaSection(transceiver.mid);
-                        if (mediaSectionClosed) {
-                            try {
-                                transceiver.stop();
-                            } catch (error) {}
-                        }
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        this._mapMidTransceiver.delete(localId);
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async pauseSending(localId) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async resumeSending(localId) {
-                        // Unimplemented.
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        await transceiver.sender.replaceTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug(
-                            'setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]',
-                            answer,
-                        );
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertSendDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.sender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapLocalId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const localId = rtpParameters.mid ?? String(this._mapMidTransceiver.size);
-                            mapLocalId.set(trackId, localId);
-                            this._remoteSdp.receive({
-                                mid: localId,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { trackId, rtpParameters } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === localId);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { trackId } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                            if (!transceiver) {
-                                throw new Error('new RTCRtpTransceiver not found');
-                            }
-                            // Store in the map.
-                            this._mapMidTransceiver.set(localId, transceiver);
-                            results.push({
-                                localId,
-                                track: transceiver.receiver.track,
-                                rtpReceiver: transceiver.receiver,
-                            });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            this._remoteSdp.closeMediaSection(transceiver.mid);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const localId of localIds) {
-                            this._mapMidTransceiver.delete(localId);
-                        }
-                    }
-                    async pauseReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async resumeReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertRecvDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.receiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation();
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Chrome70 = Chrome70;
-            },
-            {
-                '../Logger': 18,
-                '../ortc': 46,
-                '../scalabilityModes': 47,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/unifiedPlanUtils': 44,
-                'sdp-transform': 56,
-            },
-        ],
-        29: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Chrome74 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpUnifiedPlanUtils = __importStar(require('./sdp/unifiedPlanUtils'));
-                const ortcUtils = __importStar(require('./ortc/utils'));
-                const errors_1 = require('../errors');
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const scalabilityModes_1 = require('../scalabilityModes');
-                const logger = new Logger_1.Logger('Chrome74');
-                const NAME = 'Chrome74';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class Chrome74 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Chrome74();
-                    }
-                    constructor() {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Map of RTCTransceivers indexed by MID.
-                        this._mapMidTransceiver = new Map();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        if (this._closed) {
-                            return;
-                        }
-                        this._closed = true;
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'unified-plan',
-                        });
-                        try {
-                            pc.addTransceiver('audio');
-                            pc.addTransceiver('video');
-                            const offer = await pc.createOffer();
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            // libwebrtc supports NACK for OPUS but doesn't announce it.
-                            ortcUtils.addNackSupportForOpus(nativeRtpCapabilities);
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                sdpSemantics: 'unified-plan',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        this.assertNotClosed();
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        this.assertNotClosed();
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        this.assertNotClosed();
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (encodings && encodings.length > 1) {
-                            encodings.forEach((encoding, idx) => {
-                                encoding.rid = `r${idx}`;
-                            });
-                        }
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        // This may throw.
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs, codec);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        // This may throw.
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs, codec);
-                        const mediaSectionIdx = this._remoteSdp.getNextMediaSectionIdx();
-                        const transceiver = this._pc.addTransceiver(track, {
-                            direction: 'sendonly',
-                            streams: [this._sendStream],
-                            sendEncodings: encodings,
-                        });
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        // Special case for VP9 with SVC.
-                        let hackVp9Svc = false;
-                        const layers = (0, scalabilityModes_1.parse)((encodings ?? [{}])[0].scalabilityMode);
-                        if (
-                            encodings &&
-                            encodings.length === 1 &&
-                            layers.spatialLayers > 1 &&
-                            sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp9'
-                        ) {
-                            logger.debug('send() | enabling legacy simulcast for VP9 SVC');
-                            hackVp9Svc = true;
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                            sdpUnifiedPlanUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                numStreams: layers.spatialLayers,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        // We can now get the transceiver.mid.
-                        const localId = transceiver.mid;
-                        // Set MID.
-                        sendingRtpParameters.mid = localId;
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings by parsing the SDP offer if no encodings are given.
-                        if (!encodings) {
-                            sendingRtpParameters.encodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                        }
-                        // Set RTP encodings by parsing the SDP offer and complete them with given
-                        // one if just a single encoding has been given.
-                        else if (encodings.length === 1) {
-                            let newEncodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                            Object.assign(newEncodings[0], encodings[0]);
-                            // Hack for VP9 SVC.
-                            if (hackVp9Svc) {
-                                newEncodings = [newEncodings[0]];
-                            }
-                            sendingRtpParameters.encodings = newEncodings;
-                        }
-                        // Otherwise if more than 1 encoding are given use them verbatim.
-                        else {
-                            sendingRtpParameters.encodings = encodings;
-                        }
-                        // If VP8 or H264 and there is effective simulcast, add scalabilityMode to
-                        // each encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            (sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8' ||
-                                sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/h264')
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                if (encoding.scalabilityMode) {
-                                    encoding.scalabilityMode = `L1T${layers.temporalLayers}`;
-                                } else {
-                                    encoding.scalabilityMode = 'L1T3';
-                                }
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            reuseMid: mediaSectionIdx.reuseMid,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                            extmapAllowMixed: true,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        // Store in the map.
-                        this._mapMidTransceiver.set(localId, transceiver);
-                        return {
-                            localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender: transceiver.sender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        if (this._closed) {
-                            return;
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        void transceiver.sender.replaceTrack(null);
-                        this._pc.removeTrack(transceiver.sender);
-                        const mediaSectionClosed = this._remoteSdp.closeMediaSection(transceiver.mid);
-                        if (mediaSectionClosed) {
-                            try {
-                                transceiver.stop();
-                            } catch (error) {}
-                        }
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        this._mapMidTransceiver.delete(localId);
-                    }
-                    async pauseSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('pauseSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'inactive';
-                        this._remoteSdp.pauseMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('pauseSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async resumeSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('resumeSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        this._remoteSdp.resumeSendingMediaSection(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'sendonly';
-                        const offer = await this._pc.createOffer();
-                        logger.debug('resumeSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        await transceiver.sender.replaceTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug(
-                            'setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]',
-                            answer,
-                        );
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.sender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapLocalId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const localId = rtpParameters.mid ?? String(this._mapMidTransceiver.size);
-                            mapLocalId.set(trackId, localId);
-                            this._remoteSdp.receive({
-                                mid: localId,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { trackId, rtpParameters } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === localId);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { trackId } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                            if (!transceiver) {
-                                throw new Error('new RTCRtpTransceiver not found');
-                            } else {
-                                // Store in the map.
-                                this._mapMidTransceiver.set(localId, transceiver);
-                                results.push({
-                                    localId,
-                                    track: transceiver.receiver.track,
-                                    rtpReceiver: transceiver.receiver,
-                                });
-                            }
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            this._remoteSdp.closeMediaSection(transceiver.mid);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const localId of localIds) {
-                            this._mapMidTransceiver.delete(localId);
-                        }
-                    }
-                    async pauseReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('pauseReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'inactive';
-                            this._remoteSdp.pauseMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('pauseReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async resumeReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('resumeReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'recvonly';
-                            this._remoteSdp.resumeReceivingMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('resumeReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.receiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation();
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertNotClosed() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('method called in a closed handler');
-                        }
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Chrome74 = Chrome74;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../scalabilityModes': 47,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './ortc/utils': 39,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/unifiedPlanUtils': 44,
-                'sdp-transform': 56,
-            },
-        ],
-        30: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Edge11 = void 0;
-                const Logger_1 = require('../Logger');
-                const errors_1 = require('../errors');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const edgeUtils = __importStar(require('./ortc/edgeUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const logger = new Logger_1.Logger('Edge11');
-                const NAME = 'Edge11';
-                class Edge11 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Edge11();
-                    }
-                    constructor() {
-                        super();
-                        // Map of RTCRtpSenders indexed by id.
-                        this._rtpSenders = new Map();
-                        // Map of RTCRtpReceivers indexed by id.
-                        this._rtpReceivers = new Map();
-                        // Next localId for sending tracks.
-                        this._nextSendLocalId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        // Close the ICE gatherer.
-                        // NOTE: Not yet implemented by Edge.
-                        try {
-                            this._iceGatherer.close();
-                        } catch (error) {}
-                        // Close the ICE transport.
-                        try {
-                            this._iceTransport.stop();
-                        } catch (error) {}
-                        // Close the DTLS transport.
-                        try {
-                            this._dtlsTransport.stop();
-                        } catch (error) {}
-                        // Close RTCRtpSenders.
-                        for (const rtpSender of this._rtpSenders.values()) {
-                            try {
-                                rtpSender.stop();
-                            } catch (error) {}
-                        }
-                        // Close RTCRtpReceivers.
-                        for (const rtpReceiver of this._rtpReceivers.values()) {
-                            try {
-                                rtpReceiver.stop();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        return edgeUtils.getCapabilities();
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: { OS: 0, MIS: 0 },
-                        };
-                    }
-                    run({
-                        direction, // eslint-disable-line @typescript-eslint/no-unused-vars
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters, // eslint-disable-line @typescript-eslint/no-unused-vars
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings, // eslint-disable-line @typescript-eslint/no-unused-vars
-                        proprietaryConstraints, // eslint-disable-line @typescript-eslint/no-unused-vars
-                        extendedRtpCapabilities,
-                    }) {
-                        logger.debug('run()');
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._remoteIceParameters = iceParameters;
-                        this._remoteIceCandidates = iceCandidates;
-                        this._remoteDtlsParameters = dtlsParameters;
-                        this._cname = `CNAME-${utils.generateRandomNumber()}`;
-                        this.setIceGatherer({ iceServers, iceTransportPolicy });
-                        this.setIceTransport();
-                        this.setDtlsTransport();
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async updateIceServers(iceServers) {
-                        // NOTE: Edge 11 does not implement iceGatherer.gater().
-                        throw new errors_1.UnsupportedError('not supported');
-                    }
-                    async restartIce(iceParameters) {
-                        logger.debug('restartIce()');
-                        this._remoteIceParameters = iceParameters;
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        logger.debug('restartIce() | calling iceTransport.start()');
-                        this._iceTransport.start(this._iceGatherer, iceParameters, 'controlling');
-                        for (const candidate of this._remoteIceCandidates) {
-                            this._iceTransport.addRemoteCandidate(candidate);
-                        }
-                        this._iceTransport.addRemoteCandidate({});
-                    }
-                    async getTransportStats() {
-                        return this._iceTransport.getStats();
-                    }
-                    async send(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        { track, encodings, codecOptions, codec },
-                    ) {
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (!this._transportReady) {
-                            await this.setupTransport({ localDtlsRole: 'server' });
-                        }
-                        logger.debug('send() | calling new RTCRtpSender()');
-                        const rtpSender = new RTCRtpSender(track, this._dtlsTransport);
-                        const rtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        rtpParameters.codecs = ortc.reduceCodecs(rtpParameters.codecs, codec);
-                        const useRtx = rtpParameters.codecs.some((_codec) => /.+\/rtx$/i.test(_codec.mimeType));
-                        if (!encodings) {
-                            encodings = [{}];
-                        }
-                        for (const encoding of encodings) {
-                            encoding.ssrc = utils.generateRandomNumber();
-                            if (useRtx) {
-                                encoding.rtx = { ssrc: utils.generateRandomNumber() };
-                            }
-                        }
-                        rtpParameters.encodings = encodings;
-                        // Fill RTCRtpParameters.rtcp.
-                        rtpParameters.rtcp = {
-                            cname: this._cname,
-                            reducedSize: true,
-                            mux: true,
-                        };
-                        // NOTE: Convert our standard RTCRtpParameters into those that Edge
-                        // expects.
-                        const edgeRtpParameters = edgeUtils.mangleRtpParameters(rtpParameters);
-                        logger.debug('send() | calling rtpSender.send() [params:%o]', edgeRtpParameters);
-                        await rtpSender.send(edgeRtpParameters);
-                        const localId = String(this._nextSendLocalId);
-                        this._nextSendLocalId++;
-                        // Store it.
-                        this._rtpSenders.set(localId, rtpSender);
-                        return { localId, rtpParameters, rtpSender };
-                    }
-                    async stopSending(localId) {
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        const rtpSender = this._rtpSenders.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('RTCRtpSender not found');
-                        }
-                        this._rtpSenders.delete(localId);
-                        try {
-                            logger.debug('stopSending() | calling rtpSender.stop()');
-                            rtpSender.stop();
-                        } catch (error) {
-                            logger.warn('stopSending() | rtpSender.stop() failed:%o', error);
-                            throw error;
-                        }
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async pauseSending(localId) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async resumeSending(localId) {
-                        // Unimplemented.
-                    }
-                    async replaceTrack(localId, track) {
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const rtpSender = this._rtpSenders.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('RTCRtpSender not found');
-                        }
-                        rtpSender.setTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const rtpSender = this._rtpSenders.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('RTCRtpSender not found');
-                        }
-                        const parameters = rtpSender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await rtpSender.setParameters(parameters);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const rtpSender = this._rtpSenders.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('RTCRtpSender not found');
-                        }
-                        const parameters = rtpSender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await rtpSender.setParameters(parameters);
-                    }
-                    async getSenderStats(localId) {
-                        const rtpSender = this._rtpSenders.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('RTCRtpSender not found');
-                        }
-                        return rtpSender.getStats();
-                    }
-                    async sendDataChannel(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        options,
-                    ) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    async receive(optionsList) {
-                        const results = [];
-                        for (const options of optionsList) {
-                            const { trackId, kind } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                        }
-                        if (!this._transportReady) {
-                            await this.setupTransport({ localDtlsRole: 'server' });
-                        }
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters } = options;
-                            logger.debug('receive() | calling new RTCRtpReceiver()');
-                            const rtpReceiver = new RTCRtpReceiver(this._dtlsTransport, kind);
-                            rtpReceiver.addEventListener('error', (event) => {
-                                logger.error('rtpReceiver "error" event [event:%o]', event);
-                            });
-                            // NOTE: Convert our standard RTCRtpParameters into those that Edge
-                            // expects.
-                            const edgeRtpParameters = edgeUtils.mangleRtpParameters(rtpParameters);
-                            logger.debug('receive() | calling rtpReceiver.receive() [params:%o]', edgeRtpParameters);
-                            await rtpReceiver.receive(edgeRtpParameters);
-                            const localId = trackId;
-                            // Store it.
-                            this._rtpReceivers.set(localId, rtpReceiver);
-                            results.push({
-                                localId,
-                                track: rtpReceiver.track,
-                                rtpReceiver,
-                            });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const rtpReceiver = this._rtpReceivers.get(localId);
-                            if (!rtpReceiver) {
-                                throw new Error('RTCRtpReceiver not found');
-                            }
-                            this._rtpReceivers.delete(localId);
-                            try {
-                                logger.debug('stopReceiving() | calling rtpReceiver.stop()');
-                                rtpReceiver.stop();
-                            } catch (error) {
-                                logger.warn('stopReceiving() | rtpReceiver.stop() failed:%o', error);
-                            }
-                        }
-                    }
-                    async pauseReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async resumeReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async getReceiverStats(localId) {
-                        const rtpReceiver = this._rtpReceivers.get(localId);
-                        if (!rtpReceiver) {
-                            throw new Error('RTCRtpReceiver not found');
-                        }
-                        return rtpReceiver.getStats();
-                    }
-                    async receiveDataChannel(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        options,
-                    ) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    setIceGatherer({ iceServers, iceTransportPolicy }) {
-                        // @ts-expect-error --- On purpose
-                        const iceGatherer = new RTCIceGatherer({
-                            iceServers: iceServers ?? [],
-                            gatherPolicy: iceTransportPolicy ?? 'all',
-                        });
-                        iceGatherer.addEventListener('error', (event) => {
-                            logger.error('iceGatherer "error" event [event:%o]', event);
-                        });
-                        // NOTE: Not yet implemented by Edge, which starts gathering automatically.
-                        try {
-                            iceGatherer.gather();
-                        } catch (error) {
-                            logger.debug('setIceGatherer() | iceGatherer.gather() failed: %s', error.toString());
-                        }
-                        this._iceGatherer = iceGatherer;
-                    }
-                    setIceTransport() {
-                        const iceTransport = new RTCIceTransport(this._iceGatherer);
-                        // NOTE: Not yet implemented by Edge.
-                        iceTransport.addEventListener('statechange', () => {
-                            switch (iceTransport.state) {
-                                case 'checking': {
-                                    this.emit('@connectionstatechange', 'connecting');
-                                    break;
-                                }
-                                case 'connected':
-                                case 'completed': {
-                                    this.emit('@connectionstatechange', 'connected');
-                                    break;
-                                }
-                                case 'failed': {
-                                    this.emit('@connectionstatechange', 'failed');
-                                    break;
-                                }
-                                case 'disconnected': {
-                                    this.emit('@connectionstatechange', 'disconnected');
-                                    break;
-                                }
-                                case 'closed': {
-                                    this.emit('@connectionstatechange', 'closed');
-                                    break;
-                                }
-                            }
-                        });
-                        // NOTE: Not standard, but implemented by Edge.
-                        iceTransport.addEventListener('icestatechange', () => {
-                            switch (iceTransport.state) {
-                                case 'checking': {
-                                    this.emit('@connectionstatechange', 'connecting');
-                                    break;
-                                }
-                                case 'connected':
-                                case 'completed': {
-                                    this.emit('@connectionstatechange', 'connected');
-                                    break;
-                                }
-                                case 'failed': {
-                                    this.emit('@connectionstatechange', 'failed');
-                                    break;
-                                }
-                                case 'disconnected': {
-                                    this.emit('@connectionstatechange', 'disconnected');
-                                    break;
-                                }
-                                case 'closed': {
-                                    this.emit('@connectionstatechange', 'closed');
-                                    break;
-                                }
-                            }
-                        });
-                        iceTransport.addEventListener('candidatepairchange', (event) => {
-                            logger.debug('iceTransport "candidatepairchange" event [pair:%o]', event.pair);
-                        });
-                        this._iceTransport = iceTransport;
-                    }
-                    setDtlsTransport() {
-                        const dtlsTransport = new RTCDtlsTransport(this._iceTransport);
-                        // NOTE: Not yet implemented by Edge.
-                        dtlsTransport.addEventListener('statechange', () => {
-                            logger.debug('dtlsTransport "statechange" event [state:%s]', dtlsTransport.state);
-                        });
-                        // NOTE: Not standard, but implemented by Edge.
-                        dtlsTransport.addEventListener('dtlsstatechange', () => {
-                            logger.debug('dtlsTransport "dtlsstatechange" event [state:%s]', dtlsTransport.state);
-                            if (dtlsTransport.state === 'closed') {
-                                this.emit('@connectionstatechange', 'closed');
-                            }
-                        });
-                        dtlsTransport.addEventListener('error', (event) => {
-                            logger.error('dtlsTransport "error" event [event:%o]', event);
-                        });
-                        this._dtlsTransport = dtlsTransport;
-                    }
-                    async setupTransport({ localDtlsRole }) {
-                        logger.debug('setupTransport()');
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = this._dtlsTransport.getLocalParameters();
-                        dtlsParameters.role = localDtlsRole;
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        // Start the RTCIceTransport.
-                        this._iceTransport.start(this._iceGatherer, this._remoteIceParameters, 'controlling');
-                        // Add remote ICE candidates.
-                        for (const candidate of this._remoteIceCandidates) {
-                            this._iceTransport.addRemoteCandidate(candidate);
-                        }
-                        // Also signal a 'complete' candidate as per spec.
-                        // NOTE: It should be {complete: true} but Edge prefers {}.
-                        // NOTE: If we don't signal end of candidates, the Edge RTCIceTransport
-                        // won't enter the 'completed' state.
-                        this._iceTransport.addRemoteCandidate({});
-                        // NOTE: Edge does not like SHA less than 256.
-                        this._remoteDtlsParameters.fingerprints = this._remoteDtlsParameters.fingerprints.filter(
-                            (fingerprint) => {
-                                return (
-                                    fingerprint.algorithm === 'sha-256' ||
-                                    fingerprint.algorithm === 'sha-384' ||
-                                    fingerprint.algorithm === 'sha-512'
-                                );
-                            },
-                        );
-                        // Start the RTCDtlsTransport.
-                        this._dtlsTransport.start(this._remoteDtlsParameters);
-                        this._transportReady = true;
-                    }
-                }
-                exports.Edge11 = Edge11;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './ortc/edgeUtils': 38,
-            },
-        ],
-        31: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Firefox120 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const errors_1 = require('../errors');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpUnifiedPlanUtils = __importStar(require('./sdp/unifiedPlanUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const scalabilityModes_1 = require('../scalabilityModes');
-                const logger = new Logger_1.Logger('Firefox120');
-                const NAME = 'Firefox120';
-                const SCTP_NUM_STREAMS = { OS: 16, MIS: 2048 };
-                class Firefox120 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Firefox120();
-                    }
-                    constructor() {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Map of RTCTransceivers indexed by MID.
-                        this._mapMidTransceiver = new Map();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        if (this._closed) {
-                            return;
-                        }
-                        this._closed = true;
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                        });
-                        // NOTE: We need to add a real video track to get the RID extension mapping,
-                        // otherwiser Firefox doesn't include it in the SDP.
-                        const canvas = document.createElement('canvas');
-                        // NOTE: Otherwise Firefox fails in next line.
-                        canvas.getContext('2d');
-                        const fakeStream = canvas.captureStream();
-                        const fakeVideoTrack = fakeStream.getVideoTracks()[0];
-                        try {
-                            pc.addTransceiver('audio', { direction: 'sendrecv' });
-                            pc.addTransceiver(fakeVideoTrack, {
-                                direction: 'sendrecv',
-                                sendEncodings: [
-                                    { rid: 'r0', maxBitrate: 100000 },
-                                    { rid: 'r1', maxBitrate: 500000 },
-                                ],
-                            });
-                            const offer = await pc.createOffer();
-                            try {
-                                canvas.remove();
-                            } catch (error) {}
-                            try {
-                                fakeVideoTrack.stop();
-                            } catch (error) {}
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                canvas.remove();
-                            } catch (error2) {}
-                            try {
-                                fakeVideoTrack.stop();
-                            } catch (error2) {}
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        this.assertNotClosed();
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async updateIceServers(iceServers) {
-                        this.assertNotClosed();
-                        // NOTE: Firefox does not implement pc.setConfiguration().
-                        throw new errors_1.UnsupportedError('not supported');
-                    }
-                    async restartIce(iceParameters) {
-                        this.assertNotClosed();
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        this.assertNotClosed();
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec, onRtpSender }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (encodings && encodings.length > 1) {
-                            encodings.forEach((encoding, idx) => {
-                                encoding.rid = `r${idx}`;
-                            });
-                        }
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        // This may throw.
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs, codec);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        // This may throw.
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs, codec);
-                        // NOTE: Firefox fails sometimes to properly anticipate the closed media
-                        // section that it should use, so don't reuse closed media sections.
-                        //   https://github.com/versatica/mediasoup-client/issues/104
-                        //
-                        // const mediaSectionIdx = this._remoteSdp!.getNextMediaSectionIdx();
-                        const transceiver = this._pc.addTransceiver(track, {
-                            direction: 'sendonly',
-                            streams: [this._sendStream],
-                            sendEncodings: encodings,
-                        });
-                        if (onRtpSender) {
-                            onRtpSender(transceiver.sender);
-                        }
-                        const offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        // In Firefox use DTLS role client even if we are the "offerer" since
-                        // Firefox does not respect ICE-Lite.
-                        if (!this._transportReady) {
-                            await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                        }
-                        const layers = (0, scalabilityModes_1.parse)((encodings ?? [{}])[0].scalabilityMode);
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        // We can now get the transceiver.mid.
-                        const localId = transceiver.mid;
-                        // Set MID.
-                        sendingRtpParameters.mid = localId;
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        const offerMediaObject = localSdpObject.media[localSdpObject.media.length - 1];
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings by parsing the SDP offer if no encodings are given.
-                        if (!encodings) {
-                            sendingRtpParameters.encodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                        }
-                        // Set RTP encodings by parsing the SDP offer and complete them with given
-                        // one if just a single encoding has been given.
-                        else if (encodings.length === 1) {
-                            const newEncodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                            Object.assign(newEncodings[0], encodings[0]);
-                            sendingRtpParameters.encodings = newEncodings;
-                        }
-                        // Otherwise if more than 1 encoding are given use them verbatim.
-                        else {
-                            sendingRtpParameters.encodings = encodings;
-                        }
-                        // If VP8 or H264 and there is effective simulcast, add scalabilityMode to
-                        // each encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            (sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8' ||
-                                sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/h264')
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                if (encoding.scalabilityMode) {
-                                    encoding.scalabilityMode = `L1T${layers.temporalLayers}`;
-                                } else {
-                                    encoding.scalabilityMode = 'L1T3';
-                                }
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                            extmapAllowMixed: true,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        // Store in the map.
-                        this._mapMidTransceiver.set(localId, transceiver);
-                        return {
-                            localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender: transceiver.sender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        if (this._closed) {
-                            return;
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated transceiver not found');
-                        }
-                        void transceiver.sender.replaceTrack(null);
-                        // NOTE: Cannot use stop() the transceiver due to the the note above in
-                        // send() method.
-                        // try
-                        // {
-                        // 	transceiver.stop();
-                        // }
-                        // catch (error)
-                        // {}
-                        this._pc.removeTrack(transceiver.sender);
-                        // NOTE: Cannot use closeMediaSection() due to the the note above in send()
-                        // method.
-                        // this._remoteSdp!.closeMediaSection(transceiver.mid);
-                        this._remoteSdp.disableMediaSection(transceiver.mid);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        this._mapMidTransceiver.delete(localId);
-                    }
-                    async pauseSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('pauseSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'inactive';
-                        this._remoteSdp.pauseMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('pauseSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async resumeSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('resumeSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'sendonly';
-                        this._remoteSdp.resumeSendingMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('resumeSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        await transceiver.sender.replaceTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated transceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug(
-                            'setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]',
-                            answer,
-                        );
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.sender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapLocalId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const localId = rtpParameters.mid ?? String(this._mapMidTransceiver.size);
-                            mapLocalId.set(trackId, localId);
-                            this._remoteSdp.receive({
-                                mid: localId,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        for (const options of optionsList) {
-                            const { trackId, onRtpReceiver } = options;
-                            if (onRtpReceiver) {
-                                const localId = mapLocalId.get(trackId);
-                                const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                                if (!transceiver) {
-                                    throw new Error('transceiver not found');
-                                }
-                                onRtpReceiver(transceiver.receiver);
-                            }
-                        }
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { trackId, rtpParameters } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === localId);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                            answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        if (!this._transportReady) {
-                            await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { trackId } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                            if (!transceiver) {
-                                throw new Error('new RTCRtpTransceiver not found');
-                            }
-                            // Store in the map.
-                            this._mapMidTransceiver.set(localId, transceiver);
-                            results.push({
-                                localId,
-                                track: transceiver.receiver.track,
-                                rtpReceiver: transceiver.receiver,
-                            });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            this._remoteSdp.closeMediaSection(transceiver.mid);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const localId of localIds) {
-                            this._mapMidTransceiver.delete(localId);
-                        }
-                    }
-                    async pauseReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('pauseReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'inactive';
-                            this._remoteSdp.pauseMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('pauseReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async resumeReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('resumeReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'recvonly';
-                            this._remoteSdp.resumeReceivingMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('resumeReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertRecvDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.receiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation();
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertNotClosed() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('method called in a closed handler');
-                        }
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Firefox120 = Firefox120;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../scalabilityModes': 47,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/unifiedPlanUtils': 44,
-                'sdp-transform': 56,
-            },
-        ],
-        32: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Firefox60 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const errors_1 = require('../errors');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpUnifiedPlanUtils = __importStar(require('./sdp/unifiedPlanUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const scalabilityModes_1 = require('../scalabilityModes');
-                const logger = new Logger_1.Logger('Firefox60');
-                const NAME = 'Firefox60';
-                const SCTP_NUM_STREAMS = { OS: 16, MIS: 2048 };
-                class Firefox60 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Firefox60();
-                    }
-                    constructor() {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Map of RTCTransceivers indexed by MID.
-                        this._mapMidTransceiver = new Map();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        if (this._closed) {
-                            return;
-                        }
-                        this._closed = true;
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                        });
-                        // NOTE: We need to add a real video track to get the RID extension mapping.
-                        const canvas = document.createElement('canvas');
-                        // NOTE: Otherwise Firefox fails in next line.
-                        canvas.getContext('2d');
-                        const fakeStream = canvas.captureStream();
-                        const fakeVideoTrack = fakeStream.getVideoTracks()[0];
-                        try {
-                            pc.addTransceiver('audio', { direction: 'sendrecv' });
-                            const videoTransceiver = pc.addTransceiver(fakeVideoTrack, {
-                                direction: 'sendrecv',
-                            });
-                            const parameters = videoTransceiver.sender.getParameters();
-                            const encodings = [
-                                { rid: 'r0', maxBitrate: 100000 },
-                                { rid: 'r1', maxBitrate: 500000 },
-                            ];
-                            parameters.encodings = encodings;
-                            await videoTransceiver.sender.setParameters(parameters);
-                            const offer = await pc.createOffer();
-                            try {
-                                canvas.remove();
-                            } catch (error) {}
-                            try {
-                                fakeVideoTrack.stop();
-                            } catch (error) {}
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                canvas.remove();
-                            } catch (error2) {}
-                            try {
-                                fakeVideoTrack.stop();
-                            } catch (error2) {}
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        this.assertNotClosed();
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async updateIceServers(iceServers) {
-                        this.assertNotClosed();
-                        // NOTE: Firefox does not implement pc.setConfiguration().
-                        throw new errors_1.UnsupportedError('not supported');
-                    }
-                    async restartIce(iceParameters) {
-                        this.assertNotClosed();
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        this.assertNotClosed();
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (encodings) {
-                            encodings = utils.clone(encodings);
-                            encodings.forEach((encoding, idx) => {
-                                encoding.rid = `r${idx}`;
-                            });
-                            // Clone the encodings and reverse them because Firefox likes them
-                            // from high to low.
-                            encodings.reverse();
-                        }
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        // This may throw.
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs, codec);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        // This may throw.
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs, codec);
-                        // NOTE: Firefox fails sometimes to properly anticipate the closed media
-                        // section that it should use, so don't reuse closed media sections.
-                        //   https://github.com/versatica/mediasoup-client/issues/104
-                        //
-                        // const mediaSectionIdx = this._remoteSdp!.getNextMediaSectionIdx();
-                        const transceiver = this._pc.addTransceiver(track, {
-                            direction: 'sendonly',
-                            streams: [this._sendStream],
-                        });
-                        // NOTE: This is not spec compliants. Encodings should be given in addTransceiver
-                        // second argument, but Firefox does not support it.
-                        if (encodings) {
-                            const parameters = transceiver.sender.getParameters();
-                            parameters.encodings = encodings;
-                            await transceiver.sender.setParameters(parameters);
-                        }
-                        const offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        // In Firefox use DTLS role client even if we are the "offerer" since
-                        // Firefox does not respect ICE-Lite.
-                        if (!this._transportReady) {
-                            await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                        }
-                        const layers = (0, scalabilityModes_1.parse)((encodings ?? [{}])[0].scalabilityMode);
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        // We can now get the transceiver.mid.
-                        const localId = transceiver.mid;
-                        // Set MID.
-                        sendingRtpParameters.mid = localId;
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        const offerMediaObject = localSdpObject.media[localSdpObject.media.length - 1];
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings by parsing the SDP offer if no encodings are given.
-                        if (!encodings) {
-                            sendingRtpParameters.encodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                        }
-                        // Set RTP encodings by parsing the SDP offer and complete them with given
-                        // one if just a single encoding has been given.
-                        else if (encodings.length === 1) {
-                            const newEncodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                            Object.assign(newEncodings[0], encodings[0]);
-                            sendingRtpParameters.encodings = newEncodings;
-                        }
-                        // Otherwise if more than 1 encoding are given use them verbatim (but
-                        // reverse them back since we reversed them above to satisfy Firefox).
-                        else {
-                            sendingRtpParameters.encodings = encodings.reverse();
-                        }
-                        // If VP8 or H264 and there is effective simulcast, add scalabilityMode to
-                        // each encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            (sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8' ||
-                                sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/h264')
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                if (encoding.scalabilityMode) {
-                                    encoding.scalabilityMode = `L1T${layers.temporalLayers}`;
-                                } else {
-                                    encoding.scalabilityMode = 'L1T3';
-                                }
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                            extmapAllowMixed: true,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        // Store in the map.
-                        this._mapMidTransceiver.set(localId, transceiver);
-                        return {
-                            localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender: transceiver.sender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        if (this._closed) {
-                            return;
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated transceiver not found');
-                        }
-                        void transceiver.sender.replaceTrack(null);
-                        // NOTE: Cannot use stop() the transceiver due to the the note above in
-                        // send() method.
-                        // try
-                        // {
-                        // 	transceiver.stop();
-                        // }
-                        // catch (error)
-                        // {}
-                        this._pc.removeTrack(transceiver.sender);
-                        // NOTE: Cannot use closeMediaSection() due to the the note above in send()
-                        // method.
-                        // this._remoteSdp!.closeMediaSection(transceiver.mid);
-                        this._remoteSdp.disableMediaSection(transceiver.mid);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        this._mapMidTransceiver.delete(localId);
-                    }
-                    async pauseSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('pauseSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'inactive';
-                        this._remoteSdp.pauseMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('pauseSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async resumeSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('resumeSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'sendonly';
-                        this._remoteSdp.resumeSendingMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('resumeSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        await transceiver.sender.replaceTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated transceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        // NOTE: We require encodings given from low to high, however Firefox
-                        // requires them in reverse order, so do magic here.
-                        spatialLayer = parameters.encodings.length - 1 - spatialLayer;
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx >= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug(
-                            'setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]',
-                            answer,
-                        );
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.sender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapLocalId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const localId = rtpParameters.mid ?? String(this._mapMidTransceiver.size);
-                            mapLocalId.set(trackId, localId);
-                            this._remoteSdp.receive({
-                                mid: localId,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { trackId, rtpParameters } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === localId);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                            answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        if (!this._transportReady) {
-                            await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { trackId } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                            if (!transceiver) {
-                                throw new Error('new RTCRtpTransceiver not found');
-                            }
-                            // Store in the map.
-                            this._mapMidTransceiver.set(localId, transceiver);
-                            results.push({
-                                localId,
-                                track: transceiver.receiver.track,
-                                rtpReceiver: transceiver.receiver,
-                            });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            this._remoteSdp.closeMediaSection(transceiver.mid);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const localId of localIds) {
-                            this._mapMidTransceiver.delete(localId);
-                        }
-                    }
-                    async pauseReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('pauseReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'inactive';
-                            this._remoteSdp.pauseMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('pauseReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async resumeReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('resumeReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'recvonly';
-                            this._remoteSdp.resumeReceivingMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('resumeReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertRecvDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.receiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation();
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({ localDtlsRole: 'client', localSdpObject });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertNotClosed() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('method called in a closed handler');
-                        }
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Firefox60 = Firefox60;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../scalabilityModes': 47,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/unifiedPlanUtils': 44,
-                'sdp-transform': 56,
-            },
-        ],
-        33: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.HandlerInterface = void 0;
-                const enhancedEvents_1 = require('../enhancedEvents');
-                class HandlerInterface extends enhancedEvents_1.EnhancedEventEmitter {
-                    constructor() {
-                        super();
-                    }
-                }
-                exports.HandlerInterface = HandlerInterface;
-            },
-            { '../enhancedEvents': 23 },
-        ],
-        34: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.ReactNative = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const errors_1 = require('../errors');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpPlanBUtils = __importStar(require('./sdp/planBUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const logger = new Logger_1.Logger('ReactNative');
-                const NAME = 'ReactNative';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class ReactNative extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new ReactNative();
-                    }
-                    constructor() {
-                        super();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Map of sending MediaStreamTracks indexed by localId.
-                        this._mapSendLocalIdTrack = new Map();
-                        // Next sending localId.
-                        this._nextSendLocalId = 0;
-                        // Map of MID, RTP parameters and RTCRtpReceiver indexed by local id.
-                        // Value is an Object with mid, rtpParameters and rtpReceiver.
-                        this._mapRecvLocalIdInfo = new Map();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        // Free/dispose native MediaStream but DO NOT free/dispose native
-                        // MediaStreamTracks (that is parent's business).
-                        // @ts-expect-error --- Proprietary API in react-native-webrtc.
-                        this._sendStream.release(/* releaseTracks */ false);
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'plan-b',
-                        });
-                        try {
-                            const offer = await pc.createOffer({
-                                offerToReceiveAudio: true,
-                                offerToReceiveVideo: true,
-                            });
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                            planB: true,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                sdpSemantics: 'plan-b',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec }) {
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (codec) {
-                            logger.warn('send() | codec selection is not available in %s handler', this.name);
-                        }
-                        this._sendStream.addTrack(track);
-                        this._pc.addStream(this._sendStream);
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs);
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        if (track.kind === 'video' && encodings && encodings.length > 1) {
-                            logger.debug('send() | enabling simulcast');
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media.find((m) => m.type === 'video');
-                            sdpPlanBUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                track,
-                                numStreams: encodings.length,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media.find((m) => m.type === track.kind);
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings.
-                        sendingRtpParameters.encodings = sdpPlanBUtils.getRtpEncodings({
-                            offerMediaObject,
-                            track,
-                        });
-                        // Complete encodings with given values.
-                        if (encodings) {
-                            for (let idx = 0; idx < sendingRtpParameters.encodings.length; ++idx) {
-                                if (encodings[idx]) {
-                                    Object.assign(sendingRtpParameters.encodings[idx], encodings[idx]);
-                                }
-                            }
-                        }
-                        // If VP8 or H264 and there is effective simulcast, add scalabilityMode to
-                        // each encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            (sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8' ||
-                                sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/h264')
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                encoding.scalabilityMode = 'L1T3';
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        const localId = String(this._nextSendLocalId);
-                        this._nextSendLocalId++;
-                        // Insert into the map.
-                        this._mapSendLocalIdTrack.set(localId, track);
-                        return {
-                            localId: localId,
-                            rtpParameters: sendingRtpParameters,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        const track = this._mapSendLocalIdTrack.get(localId);
-                        if (!track) {
-                            throw new Error('track not found');
-                        }
-                        this._mapSendLocalIdTrack.delete(localId);
-                        this._sendStream.removeTrack(track);
-                        this._pc.addStream(this._sendStream);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        try {
-                            await this._pc.setLocalDescription(offer);
-                        } catch (error) {
-                            // NOTE: If there are no sending tracks, setLocalDescription() will fail with
-                            // "Failed to create channels". If so, ignore it.
-                            if (this._sendStream.getTracks().length === 0) {
-                                logger.warn(
-                                    'stopSending() | ignoring expected error due no sending tracks: %s',
-                                    error.toString(),
-                                );
-                                return;
-                            }
-                            throw error;
-                        }
-                        if (this._pc.signalingState === 'stable') {
-                            return;
-                        }
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async pauseSending(localId) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async resumeSending(localId) {
-                        // Unimplemented.
-                    }
-                    async replaceTrack(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localId,
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        track,
-                    ) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    async setMaxSpatialLayer(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localId,
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        spatialLayer,
-                    ) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async setRtpEncodingParameters(localId, params) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async getSenderStats(localId) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapStreamId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const mid = kind;
-                            let streamId = options.streamId ?? rtpParameters.rtcp.cname;
-                            // NOTE: In React-Native we cannot reuse the same remote MediaStream for new
-                            // remote tracks. This is because react-native-webrtc does not react on new
-                            // tracks generated within already existing streams, so force the streamId
-                            // to be different. See:
-                            // https://github.com/react-native-webrtc/react-native-webrtc/issues/401
-                            logger.debug(
-                                'receive() | forcing a random remote streamId to avoid well known bug in react-native-webrtc',
-                            );
-                            streamId += `-hack-${utils.generateRandomNumber()}`;
-                            mapStreamId.set(trackId, streamId);
-                            this._remoteSdp.receive({
-                                mid,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { kind, rtpParameters } = options;
-                            const mid = kind;
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === mid);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { kind, trackId, rtpParameters } = options;
-                            const localId = trackId;
-                            const mid = kind;
-                            const streamId = mapStreamId.get(trackId);
-                            const stream = this._pc.getRemoteStreams().find((s) => s.id === streamId);
-                            const track = stream.getTrackById(localId);
-                            if (!track) {
-                                throw new Error('remote track not found');
-                            }
-                            // Insert into the map.
-                            this._mapRecvLocalIdInfo.set(localId, { mid, rtpParameters });
-                            results.push({ localId, track });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const { mid, rtpParameters } = this._mapRecvLocalIdInfo.get(localId) ?? {};
-                            // Remove from the map.
-                            this._mapRecvLocalIdInfo.delete(localId);
-                            this._remoteSdp.planBStopReceiving({
-                                mid: mid,
-                                offerRtpParameters: rtpParameters,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async pauseReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async resumeReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async getReceiverStats(localId) {
-                        throw new errors_1.UnsupportedError('not implemented');
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmitTime: maxPacketLifeTime, // NOTE: Old spec.
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation({ oldDataChannelSpec: true });
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.ReactNative = ReactNative;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/planBUtils': 43,
-                'sdp-transform': 56,
-            },
-        ],
-        35: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.ReactNativeUnifiedPlan = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpUnifiedPlanUtils = __importStar(require('./sdp/unifiedPlanUtils'));
-                const ortcUtils = __importStar(require('./ortc/utils'));
-                const errors_1 = require('../errors');
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const scalabilityModes_1 = require('../scalabilityModes');
-                const logger = new Logger_1.Logger('ReactNativeUnifiedPlan');
-                const NAME = 'ReactNativeUnifiedPlan';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class ReactNativeUnifiedPlan extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new ReactNativeUnifiedPlan();
-                    }
-                    constructor() {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Map of RTCTransceivers indexed by MID.
-                        this._mapMidTransceiver = new Map();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        if (this._closed) {
-                            return;
-                        }
-                        this._closed = true;
-                        // Free/dispose native MediaStream but DO NOT free/dispose native
-                        // MediaStreamTracks (that is parent's business).
-                        // @ts-expect-error --- Proprietary API in react-native-webrtc.
-                        this._sendStream.release(/* releaseTracks */ false);
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'unified-plan',
-                        });
-                        try {
-                            pc.addTransceiver('audio');
-                            pc.addTransceiver('video');
-                            const offer = await pc.createOffer();
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            // libwebrtc supports NACK for OPUS but doesn't announce it.
-                            ortcUtils.addNackSupportForOpus(nativeRtpCapabilities);
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        this.assertNotClosed();
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                sdpSemantics: 'unified-plan',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        this.assertNotClosed();
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        this.assertNotClosed();
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        this.assertNotClosed();
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec, onRtpSender }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (encodings && encodings.length > 1) {
-                            encodings.forEach((encoding, idx) => {
-                                encoding.rid = `r${idx}`;
-                            });
-                        }
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        // This may throw.
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs, codec);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        // This may throw.
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs, codec);
-                        const mediaSectionIdx = this._remoteSdp.getNextMediaSectionIdx();
-                        const transceiver = this._pc.addTransceiver(track, {
-                            direction: 'sendonly',
-                            streams: [this._sendStream],
-                            sendEncodings: encodings,
-                        });
-                        if (onRtpSender) {
-                            onRtpSender(transceiver.sender);
-                        }
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        // Special case for VP9 with SVC.
-                        let hackVp9Svc = false;
-                        const layers = (0, scalabilityModes_1.parse)((encodings ?? [{}])[0].scalabilityMode);
-                        if (
-                            encodings &&
-                            encodings.length === 1 &&
-                            layers.spatialLayers > 1 &&
-                            sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp9'
-                        ) {
-                            logger.debug('send() | enabling legacy simulcast for VP9 SVC');
-                            hackVp9Svc = true;
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                            sdpUnifiedPlanUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                numStreams: layers.spatialLayers,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        // We can now get the transceiver.mid.
-                        // NOTE: We cannot read generated MID on iOS react-native-webrtc 111.0.0
-                        // because transceiver.mid is not available until setRemoteDescription()
-                        // is called, so this is best effort.
-                        // Issue: https://github.com/react-native-webrtc/react-native-webrtc/issues/1404
-                        // NOTE: So let's fill MID in sendingRtpParameters later.
-                        // NOTE: This is fixed in react-native-webrtc 111.0.3.
-                        let localId = transceiver.mid ?? undefined;
-                        if (!localId) {
-                            logger.warn(
-                                'send() | missing transceiver.mid (bug in react-native-webrtc, using a workaround',
-                            );
-                        }
-                        // Set MID.
-                        // NOTE: As per above, it could be unset yet.
-                        sendingRtpParameters.mid = localId;
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings by parsing the SDP offer if no encodings are given.
-                        if (!encodings) {
-                            sendingRtpParameters.encodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                        }
-                        // Set RTP encodings by parsing the SDP offer and complete them with given
-                        // one if just a single encoding has been given.
-                        else if (encodings.length === 1) {
-                            let newEncodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                                offerMediaObject,
-                            });
-                            Object.assign(newEncodings[0], encodings[0]);
-                            // Hack for VP9 SVC.
-                            if (hackVp9Svc) {
-                                newEncodings = [newEncodings[0]];
-                            }
-                            sendingRtpParameters.encodings = newEncodings;
-                        }
-                        // Otherwise if more than 1 encoding are given use them verbatim.
-                        else {
-                            sendingRtpParameters.encodings = encodings;
-                        }
-                        // If VP8 or H264 and there is effective simulcast, add scalabilityMode to
-                        // each encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            (sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8' ||
-                                sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/h264')
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                if (encoding.scalabilityMode) {
-                                    encoding.scalabilityMode = `L1T${layers.temporalLayers}`;
-                                } else {
-                                    encoding.scalabilityMode = 'L1T3';
-                                }
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            reuseMid: mediaSectionIdx.reuseMid,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                            extmapAllowMixed: true,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        // Follow up of iOS react-native-webrtc 111.0.0 issue told above. Now yes,
-                        // we can read generated MID (if not done above) and fill sendingRtpParameters.
-                        // NOTE: This is fixed in react-native-webrtc 111.0.3 so this block isn't
-                        // needed starting from that version.
-                        if (!localId) {
-                            localId = transceiver.mid;
-                            sendingRtpParameters.mid = localId;
-                        }
-                        // Store in the map.
-                        this._mapMidTransceiver.set(localId, transceiver);
-                        return {
-                            localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender: transceiver.sender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        void transceiver.sender.replaceTrack(null);
-                        this._pc.removeTrack(transceiver.sender);
-                        const mediaSectionClosed = this._remoteSdp.closeMediaSection(transceiver.mid);
-                        if (mediaSectionClosed) {
-                            try {
-                                transceiver.stop();
-                            } catch (error) {}
-                        }
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        this._mapMidTransceiver.delete(localId);
-                    }
-                    async pauseSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('pauseSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'inactive';
-                        this._remoteSdp.pauseMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('pauseSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async resumeSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('resumeSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        this._remoteSdp.resumeSendingMediaSection(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'sendonly';
-                        const offer = await this._pc.createOffer();
-                        logger.debug('resumeSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        await transceiver.sender.replaceTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug(
-                            'setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]',
-                            answer,
-                        );
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.sender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapLocalId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const localId = rtpParameters.mid ?? String(this._mapMidTransceiver.size);
-                            mapLocalId.set(trackId, localId);
-                            this._remoteSdp.receive({
-                                mid: localId,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        for (const options of optionsList) {
-                            const { trackId, onRtpReceiver } = options;
-                            if (onRtpReceiver) {
-                                const localId = mapLocalId.get(trackId);
-                                const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                                if (!transceiver) {
-                                    throw new Error('transceiver not found');
-                                }
-                                onRtpReceiver(transceiver.receiver);
-                            }
-                        }
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { trackId, rtpParameters } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === localId);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { trackId } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                            if (!transceiver) {
-                                throw new Error('new RTCRtpTransceiver not found');
-                            } else {
-                                // Store in the map.
-                                this._mapMidTransceiver.set(localId, transceiver);
-                                results.push({
-                                    localId,
-                                    track: transceiver.receiver.track,
-                                    rtpReceiver: transceiver.receiver,
-                                });
-                            }
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            this._remoteSdp.closeMediaSection(transceiver.mid);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const localId of localIds) {
-                            this._mapMidTransceiver.delete(localId);
-                        }
-                    }
-                    async pauseReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('pauseReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'inactive';
-                            this._remoteSdp.pauseMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('pauseReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async resumeReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('resumeReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'recvonly';
-                            this._remoteSdp.resumeReceivingMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('resumeReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.receiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation();
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertNotClosed() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('method called in a closed handler');
-                        }
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.ReactNativeUnifiedPlan = ReactNativeUnifiedPlan;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../scalabilityModes': 47,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './ortc/utils': 39,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/unifiedPlanUtils': 44,
-                'sdp-transform': 56,
-            },
-        ],
-        36: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Safari11 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpPlanBUtils = __importStar(require('./sdp/planBUtils'));
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const logger = new Logger_1.Logger('Safari11');
-                const NAME = 'Safari11';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class Safari11 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Safari11();
-                    }
-                    constructor() {
-                        super();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Map of RTCRtpSender indexed by localId.
-                        this._mapSendLocalIdRtpSender = new Map();
-                        // Next sending localId.
-                        this._nextSendLocalId = 0;
-                        // Map of MID, RTP parameters and RTCRtpReceiver indexed by local id.
-                        // Value is an Object with mid, rtpParameters and rtpReceiver.
-                        this._mapRecvLocalIdInfo = new Map();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                            sdpSemantics: 'plan-b',
-                        });
-                        try {
-                            const offer = await pc.createOffer({
-                                offerToReceiveAudio: true,
-                                offerToReceiveVideo: true,
-                            });
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                            planB: true,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec }) {
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        if (codec) {
-                            logger.warn('send() | codec selection is not available in %s handler', this.name);
-                        }
-                        this._sendStream.addTrack(track);
-                        this._pc.addTrack(track, this._sendStream);
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs);
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        if (track.kind === 'video' && encodings && encodings.length > 1) {
-                            logger.debug('send() | enabling simulcast');
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media.find((m) => m.type === 'video');
-                            sdpPlanBUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                track,
-                                numStreams: encodings.length,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media.find((m) => m.type === track.kind);
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings.
-                        sendingRtpParameters.encodings = sdpPlanBUtils.getRtpEncodings({
-                            offerMediaObject,
-                            track,
-                        });
-                        // Complete encodings with given values.
-                        if (encodings) {
-                            for (let idx = 0; idx < sendingRtpParameters.encodings.length; ++idx) {
-                                if (encodings[idx]) {
-                                    Object.assign(sendingRtpParameters.encodings[idx], encodings[idx]);
-                                }
-                            }
-                        }
-                        // If VP8 and there is effective simulcast, add scalabilityMode to each
-                        // encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8'
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                encoding.scalabilityMode = 'L1T3';
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        const localId = String(this._nextSendLocalId);
-                        this._nextSendLocalId++;
-                        const rtpSender = this._pc.getSenders().find((s) => s.track === track);
-                        // Insert into the map.
-                        this._mapSendLocalIdRtpSender.set(localId, rtpSender);
-                        return {
-                            localId: localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        if (rtpSender.track) {
-                            this._sendStream.removeTrack(rtpSender.track);
-                        }
-                        this._mapSendLocalIdRtpSender.delete(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        try {
-                            await this._pc.setLocalDescription(offer);
-                        } catch (error) {
-                            // NOTE: If there are no sending tracks, setLocalDescription() will fail with
-                            // "Failed to create channels". If so, ignore it.
-                            if (this._sendStream.getTracks().length === 0) {
-                                logger.warn(
-                                    'stopSending() | ignoring expected error due no sending tracks: %s',
-                                    error.toString(),
-                                );
-                                return;
-                            }
-                            throw error;
-                        }
-                        if (this._pc.signalingState === 'stable') {
-                            return;
-                        }
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async pauseSending(localId) {
-                        // Unimplemented.
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    async resumeSending(localId) {
-                        // Unimplemented.
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        const oldTrack = rtpSender.track;
-                        await rtpSender.replaceTrack(track);
-                        // Remove the old track from the local stream.
-                        if (oldTrack) {
-                            this._sendStream.removeTrack(oldTrack);
-                        }
-                        // Add the new track to the local stream.
-                        if (track) {
-                            this._sendStream.addTrack(track);
-                        }
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        const parameters = rtpSender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await rtpSender.setParameters(parameters);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        const parameters = rtpSender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await rtpSender.setParameters(parameters);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertSendDirection();
-                        const rtpSender = this._mapSendLocalIdRtpSender.get(localId);
-                        if (!rtpSender) {
-                            throw new Error('associated RTCRtpSender not found');
-                        }
-                        return rtpSender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertRecvDirection();
-                        const results = [];
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const mid = kind;
-                            this._remoteSdp.receive({
-                                mid,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { kind, rtpParameters } = options;
-                            const mid = kind;
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === mid);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { kind, trackId, rtpParameters } = options;
-                            const mid = kind;
-                            const localId = trackId;
-                            const rtpReceiver = this._pc.getReceivers().find((r) => r.track && r.track.id === localId);
-                            if (!rtpReceiver) {
-                                throw new Error('new RTCRtpReceiver not');
-                            }
-                            // Insert into the map.
-                            this._mapRecvLocalIdInfo.set(localId, {
-                                mid,
-                                rtpParameters,
-                                rtpReceiver,
-                            });
-                            results.push({
-                                localId,
-                                track: rtpReceiver.track,
-                                rtpReceiver,
-                            });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const { mid, rtpParameters } = this._mapRecvLocalIdInfo.get(localId) ?? {};
-                            // Remove from the map.
-                            this._mapRecvLocalIdInfo.delete(localId);
-                            this._remoteSdp.planBStopReceiving({
-                                mid: mid,
-                                offerRtpParameters: rtpParameters,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertRecvDirection();
-                        const { rtpReceiver } = this._mapRecvLocalIdInfo.get(localId) ?? {};
-                        if (!rtpReceiver) {
-                            throw new Error('associated RTCRtpReceiver not found');
-                        }
-                        return rtpReceiver.getStats();
-                    }
-                    async pauseReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async resumeReceiving(
-                        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                        localIds,
-                    ) {
-                        // Unimplemented.
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation({ oldDataChannelSpec: true });
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Safari11 = Safari11;
-            },
-            {
-                '../Logger': 18,
-                '../ortc': 46,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/planBUtils': 43,
-                'sdp-transform': 56,
-            },
-        ],
-        37: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.Safari12 = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../Logger');
-                const utils = __importStar(require('../utils'));
-                const ortc = __importStar(require('../ortc'));
-                const sdpCommonUtils = __importStar(require('./sdp/commonUtils'));
-                const sdpUnifiedPlanUtils = __importStar(require('./sdp/unifiedPlanUtils'));
-                const ortcUtils = __importStar(require('./ortc/utils'));
-                const errors_1 = require('../errors');
-                const HandlerInterface_1 = require('./HandlerInterface');
-                const RemoteSdp_1 = require('./sdp/RemoteSdp');
-                const scalabilityModes_1 = require('../scalabilityModes');
-                const logger = new Logger_1.Logger('Safari12');
-                const NAME = 'Safari12';
-                const SCTP_NUM_STREAMS = { OS: 1024, MIS: 1024 };
-                class Safari12 extends HandlerInterface_1.HandlerInterface {
-                    /**
-                     * Creates a factory function.
-                     */
-                    static createFactory() {
-                        return () => new Safari12();
-                    }
-                    constructor() {
-                        super();
-                        // Closed flag.
-                        this._closed = false;
-                        // Map of RTCTransceivers indexed by MID.
-                        this._mapMidTransceiver = new Map();
-                        // Local stream for sending.
-                        this._sendStream = new MediaStream();
-                        // Whether a DataChannel m=application section has been created.
-                        this._hasDataChannelMediaSection = false;
-                        // Sending DataChannel id value counter. Incremented for each new DataChannel.
-                        this._nextSendSctpStreamId = 0;
-                        // Got transport local and remote parameters.
-                        this._transportReady = false;
-                    }
-                    get name() {
-                        return NAME;
-                    }
-                    close() {
-                        logger.debug('close()');
-                        if (this._closed) {
-                            return;
-                        }
-                        this._closed = true;
-                        // Close RTCPeerConnection.
-                        if (this._pc) {
-                            try {
-                                this._pc.close();
-                            } catch (error) {}
-                        }
-                        this.emit('@close');
-                    }
-                    async getNativeRtpCapabilities() {
-                        logger.debug('getNativeRtpCapabilities()');
-                        const pc = new RTCPeerConnection({
-                            iceServers: [],
-                            iceTransportPolicy: 'all',
-                            bundlePolicy: 'max-bundle',
-                            rtcpMuxPolicy: 'require',
-                        });
-                        try {
-                            pc.addTransceiver('audio');
-                            pc.addTransceiver('video');
-                            const offer = await pc.createOffer();
-                            try {
-                                pc.close();
-                            } catch (error) {}
-                            const sdpObject = sdpTransform.parse(offer.sdp);
-                            const nativeRtpCapabilities = sdpCommonUtils.extractRtpCapabilities({
-                                sdpObject,
-                            });
-                            // libwebrtc supports NACK for OPUS but doesn't announce it.
-                            ortcUtils.addNackSupportForOpus(nativeRtpCapabilities);
-                            return nativeRtpCapabilities;
-                        } catch (error) {
-                            try {
-                                pc.close();
-                            } catch (error2) {}
-                            throw error;
-                        }
-                    }
-                    async getNativeSctpCapabilities() {
-                        logger.debug('getNativeSctpCapabilities()');
-                        return {
-                            numStreams: SCTP_NUM_STREAMS,
-                        };
-                    }
-                    run({
-                        direction,
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        iceServers,
-                        iceTransportPolicy,
-                        additionalSettings,
-                        proprietaryConstraints,
-                        extendedRtpCapabilities,
-                    }) {
-                        this.assertNotClosed();
-                        logger.debug('run()');
-                        this._direction = direction;
-                        this._remoteSdp = new RemoteSdp_1.RemoteSdp({
-                            iceParameters,
-                            iceCandidates,
-                            dtlsParameters,
-                            sctpParameters,
-                        });
-                        this._sendingRtpParametersByKind = {
-                            audio: ortc.getSendingRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        this._sendingRemoteRtpParametersByKind = {
-                            audio: ortc.getSendingRemoteRtpParameters('audio', extendedRtpCapabilities),
-                            video: ortc.getSendingRemoteRtpParameters('video', extendedRtpCapabilities),
-                        };
-                        if (dtlsParameters.role && dtlsParameters.role !== 'auto') {
-                            this._forcedLocalDtlsRole = dtlsParameters.role === 'server' ? 'client' : 'server';
-                        }
-                        this._pc = new RTCPeerConnection(
-                            {
-                                iceServers: iceServers ?? [],
-                                iceTransportPolicy: iceTransportPolicy ?? 'all',
-                                bundlePolicy: 'max-bundle',
-                                rtcpMuxPolicy: 'require',
-                                ...additionalSettings,
-                            },
-                            proprietaryConstraints,
-                        );
-                        this._pc.addEventListener('icegatheringstatechange', () => {
-                            this.emit('@icegatheringstatechange', this._pc.iceGatheringState);
-                        });
-                        this._pc.addEventListener('icecandidateerror', (event) => {
-                            this.emit('@icecandidateerror', event);
-                        });
-                        if (this._pc.connectionState) {
-                            this._pc.addEventListener('connectionstatechange', () => {
-                                this.emit('@connectionstatechange', this._pc.connectionState);
-                            });
-                        } else {
-                            this._pc.addEventListener('iceconnectionstatechange', () => {
-                                logger.warn('run() | pc.connectionState not supported, using pc.iceConnectionState');
-                                switch (this._pc.iceConnectionState) {
-                                    case 'checking': {
-                                        this.emit('@connectionstatechange', 'connecting');
-                                        break;
-                                    }
-                                    case 'connected':
-                                    case 'completed': {
-                                        this.emit('@connectionstatechange', 'connected');
-                                        break;
-                                    }
-                                    case 'failed': {
-                                        this.emit('@connectionstatechange', 'failed');
-                                        break;
-                                    }
-                                    case 'disconnected': {
-                                        this.emit('@connectionstatechange', 'disconnected');
-                                        break;
-                                    }
-                                    case 'closed': {
-                                        this.emit('@connectionstatechange', 'closed');
-                                        break;
-                                    }
-                                }
-                            });
-                        }
-                    }
-                    async updateIceServers(iceServers) {
-                        this.assertNotClosed();
-                        logger.debug('updateIceServers()');
-                        const configuration = this._pc.getConfiguration();
-                        configuration.iceServers = iceServers;
-                        this._pc.setConfiguration(configuration);
-                    }
-                    async restartIce(iceParameters) {
-                        this.assertNotClosed();
-                        logger.debug('restartIce()');
-                        // Provide the remote SDP handler with new remote ICE parameters.
-                        this._remoteSdp.updateIceParameters(iceParameters);
-                        if (!this._transportReady) {
-                            return;
-                        }
-                        if (this._direction === 'send') {
-                            const offer = await this._pc.createOffer({ iceRestart: true });
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                        } else {
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('restartIce() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            logger.debug('restartIce() | calling pc.setLocalDescription() [answer:%o]', answer);
-                            await this._pc.setLocalDescription(answer);
-                        }
-                    }
-                    async getTransportStats() {
-                        this.assertNotClosed();
-                        return this._pc.getStats();
-                    }
-                    async send({ track, encodings, codecOptions, codec, onRtpSender }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('send() [kind:%s, track.id:%s]', track.kind, track.id);
-                        const sendingRtpParameters = utils.clone(this._sendingRtpParametersByKind[track.kind]);
-                        // This may throw.
-                        sendingRtpParameters.codecs = ortc.reduceCodecs(sendingRtpParameters.codecs, codec);
-                        const sendingRemoteRtpParameters = utils.clone(
-                            this._sendingRemoteRtpParametersByKind[track.kind],
-                        );
-                        // This may throw.
-                        sendingRemoteRtpParameters.codecs = ortc.reduceCodecs(sendingRemoteRtpParameters.codecs, codec);
-                        const mediaSectionIdx = this._remoteSdp.getNextMediaSectionIdx();
-                        const transceiver = this._pc.addTransceiver(track, {
-                            direction: 'sendonly',
-                            streams: [this._sendStream],
-                        });
-                        if (onRtpSender) {
-                            onRtpSender(transceiver.sender);
-                        }
-                        let offer = await this._pc.createOffer();
-                        let localSdpObject = sdpTransform.parse(offer.sdp);
-                        let offerMediaObject;
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        const layers = (0, scalabilityModes_1.parse)((encodings ?? [{}])[0].scalabilityMode);
-                        if (encodings && encodings.length > 1) {
-                            logger.debug('send() | enabling legacy simulcast');
-                            localSdpObject = sdpTransform.parse(offer.sdp);
-                            offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                            sdpUnifiedPlanUtils.addLegacySimulcast({
-                                offerMediaObject,
-                                numStreams: encodings.length,
-                            });
-                            offer = { type: 'offer', sdp: sdpTransform.write(localSdpObject) };
-                        }
-                        logger.debug('send() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        // We can now get the transceiver.mid.
-                        const localId = transceiver.mid;
-                        // Set MID.
-                        sendingRtpParameters.mid = localId;
-                        localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        offerMediaObject = localSdpObject.media[mediaSectionIdx.idx];
-                        // Set RTCP CNAME.
-                        sendingRtpParameters.rtcp.cname = sdpCommonUtils.getCname({
-                            offerMediaObject,
-                        });
-                        // Set RTP encodings.
-                        sendingRtpParameters.encodings = sdpUnifiedPlanUtils.getRtpEncodings({
-                            offerMediaObject,
-                        });
-                        // Complete encodings with given values.
-                        if (encodings) {
-                            for (let idx = 0; idx < sendingRtpParameters.encodings.length; ++idx) {
-                                if (encodings[idx]) {
-                                    Object.assign(sendingRtpParameters.encodings[idx], encodings[idx]);
-                                }
-                            }
-                        }
-                        // If VP8 or H264 and there is effective simulcast, add scalabilityMode to
-                        // each encoding.
-                        if (
-                            sendingRtpParameters.encodings.length > 1 &&
-                            (sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/vp8' ||
-                                sendingRtpParameters.codecs[0].mimeType.toLowerCase() === 'video/h264')
-                        ) {
-                            for (const encoding of sendingRtpParameters.encodings) {
-                                if (encoding.scalabilityMode) {
-                                    encoding.scalabilityMode = `L1T${layers.temporalLayers}`;
-                                } else {
-                                    encoding.scalabilityMode = 'L1T3';
-                                }
-                            }
-                        }
-                        this._remoteSdp.send({
-                            offerMediaObject,
-                            reuseMid: mediaSectionIdx.reuseMid,
-                            offerRtpParameters: sendingRtpParameters,
-                            answerRtpParameters: sendingRemoteRtpParameters,
-                            codecOptions,
-                        });
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('send() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        // Store in the map.
-                        this._mapMidTransceiver.set(localId, transceiver);
-                        return {
-                            localId,
-                            rtpParameters: sendingRtpParameters,
-                            rtpSender: transceiver.sender,
-                        };
-                    }
-                    async stopSending(localId) {
-                        this.assertSendDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        logger.debug('stopSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        void transceiver.sender.replaceTrack(null);
-                        this._pc.removeTrack(transceiver.sender);
-                        const mediaSectionClosed = this._remoteSdp.closeMediaSection(transceiver.mid);
-                        if (mediaSectionClosed) {
-                            try {
-                                transceiver.stop();
-                            } catch (error) {}
-                        }
-                        const offer = await this._pc.createOffer();
-                        logger.debug('stopSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                        this._mapMidTransceiver.delete(localId);
-                    }
-                    async pauseSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('pauseSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'inactive';
-                        this._remoteSdp.pauseMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('pauseSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async resumeSending(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('resumeSending() [localId:%s]', localId);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        transceiver.direction = 'sendonly';
-                        this._remoteSdp.resumeSendingMediaSection(localId);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('resumeSending() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeSending() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async replaceTrack(localId, track) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        if (track) {
-                            logger.debug('replaceTrack() [localId:%s, track.id:%s]', localId, track.id);
-                        } else {
-                            logger.debug('replaceTrack() [localId:%s, no track]', localId);
-                        }
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        await transceiver.sender.replaceTrack(track);
-                    }
-                    async setMaxSpatialLayer(localId, spatialLayer) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setMaxSpatialLayer() [localId:%s, spatialLayer:%s]', localId, spatialLayer);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            if (idx <= spatialLayer) {
-                                encoding.active = true;
-                            } else {
-                                encoding.active = false;
-                            }
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async setRtpEncodingParameters(localId, params) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        logger.debug('setRtpEncodingParameters() [localId:%s, params:%o]', localId, params);
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        const parameters = transceiver.sender.getParameters();
-                        parameters.encodings.forEach((encoding, idx) => {
-                            parameters.encodings[idx] = { ...encoding, ...params };
-                        });
-                        await transceiver.sender.setParameters(parameters);
-                        this._remoteSdp.muxMediaSectionSimulcast(localId, parameters.encodings);
-                        const offer = await this._pc.createOffer();
-                        logger.debug('setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]', offer);
-                        await this._pc.setLocalDescription(offer);
-                        const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug(
-                            'setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]',
-                            answer,
-                        );
-                        await this._pc.setRemoteDescription(answer);
-                    }
-                    async getSenderStats(localId) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.sender.getStats();
-                    }
-                    async sendDataChannel({ ordered, maxPacketLifeTime, maxRetransmits, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertSendDirection();
-                        const options = {
-                            negotiated: true,
-                            id: this._nextSendSctpStreamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('sendDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // Increase next id.
-                        this._nextSendSctpStreamId = ++this._nextSendSctpStreamId % SCTP_NUM_STREAMS.MIS;
-                        // If this is the first DataChannel we need to create the SDP answer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            const offer = await this._pc.createOffer();
-                            const localSdpObject = sdpTransform.parse(offer.sdp);
-                            const offerMediaObject = localSdpObject.media.find((m) => m.type === 'application');
-                            if (!this._transportReady) {
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug('sendDataChannel() | calling pc.setLocalDescription() [offer:%o]', offer);
-                            await this._pc.setLocalDescription(offer);
-                            this._remoteSdp.sendSctpAssociation({ offerMediaObject });
-                            const answer = { type: 'answer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]', answer);
-                            await this._pc.setRemoteDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        const sctpStreamParameters = {
-                            streamId: options.id,
-                            ordered: options.ordered,
-                            maxPacketLifeTime: options.maxPacketLifeTime,
-                            maxRetransmits: options.maxRetransmits,
-                        };
-                        return { dataChannel, sctpStreamParameters };
-                    }
-                    async receive(optionsList) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const results = [];
-                        const mapLocalId = new Map();
-                        for (const options of optionsList) {
-                            const { trackId, kind, rtpParameters, streamId } = options;
-                            logger.debug('receive() [trackId:%s, kind:%s]', trackId, kind);
-                            const localId = rtpParameters.mid ?? String(this._mapMidTransceiver.size);
-                            mapLocalId.set(trackId, localId);
-                            this._remoteSdp.receive({
-                                mid: localId,
-                                kind,
-                                offerRtpParameters: rtpParameters,
-                                streamId: streamId ?? rtpParameters.rtcp.cname,
-                                trackId,
-                            });
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('receive() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        for (const options of optionsList) {
-                            const { trackId, onRtpReceiver } = options;
-                            if (onRtpReceiver) {
-                                const localId = mapLocalId.get(trackId);
-                                const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                                if (!transceiver) {
-                                    throw new Error('transceiver not found');
-                                }
-                                onRtpReceiver(transceiver.receiver);
-                            }
-                        }
-                        let answer = await this._pc.createAnswer();
-                        const localSdpObject = sdpTransform.parse(answer.sdp);
-                        for (const options of optionsList) {
-                            const { trackId, rtpParameters } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const answerMediaObject = localSdpObject.media.find((m) => String(m.mid) === localId);
-                            // May need to modify codec parameters in the answer based on codec
-                            // parameters in the offer.
-                            sdpCommonUtils.applyCodecParameters({
-                                offerRtpParameters: rtpParameters,
-                                answerMediaObject,
-                            });
-                        }
-                        answer = { type: 'answer', sdp: sdpTransform.write(localSdpObject) };
-                        if (!this._transportReady) {
-                            await this.setupTransport({
-                                localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                localSdpObject,
-                            });
-                        }
-                        logger.debug('receive() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const options of optionsList) {
-                            const { trackId } = options;
-                            const localId = mapLocalId.get(trackId);
-                            const transceiver = this._pc.getTransceivers().find((t) => t.mid === localId);
-                            if (!transceiver) {
-                                throw new Error('new RTCRtpTransceiver not found');
-                            }
-                            // Store in the map.
-                            this._mapMidTransceiver.set(localId, transceiver);
-                            results.push({
-                                localId,
-                                track: transceiver.receiver.track,
-                                rtpReceiver: transceiver.receiver,
-                            });
-                        }
-                        return results;
-                    }
-                    async stopReceiving(localIds) {
-                        this.assertRecvDirection();
-                        if (this._closed) {
-                            return;
-                        }
-                        for (const localId of localIds) {
-                            logger.debug('stopReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            this._remoteSdp.closeMediaSection(transceiver.mid);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('stopReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('stopReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                        for (const localId of localIds) {
-                            this._mapMidTransceiver.delete(localId);
-                        }
-                    }
-                    async pauseReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('pauseReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'inactive';
-                            this._remoteSdp.pauseMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('pauseReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async resumeReceiving(localIds) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        for (const localId of localIds) {
-                            logger.debug('resumeReceiving() [localId:%s]', localId);
-                            const transceiver = this._mapMidTransceiver.get(localId);
-                            if (!transceiver) {
-                                throw new Error('associated RTCRtpTransceiver not found');
-                            }
-                            transceiver.direction = 'recvonly';
-                            this._remoteSdp.resumeReceivingMediaSection(localId);
-                        }
-                        const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                        logger.debug('resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                        await this._pc.setRemoteDescription(offer);
-                        const answer = await this._pc.createAnswer();
-                        logger.debug('resumeReceiving() | calling pc.setLocalDescription() [answer:%o]', answer);
-                        await this._pc.setLocalDescription(answer);
-                    }
-                    async getReceiverStats(localId) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const transceiver = this._mapMidTransceiver.get(localId);
-                        if (!transceiver) {
-                            throw new Error('associated RTCRtpTransceiver not found');
-                        }
-                        return transceiver.receiver.getStats();
-                    }
-                    async receiveDataChannel({ sctpStreamParameters, label, protocol }) {
-                        this.assertNotClosed();
-                        this.assertRecvDirection();
-                        const { streamId, ordered, maxPacketLifeTime, maxRetransmits } = sctpStreamParameters;
-                        const options = {
-                            negotiated: true,
-                            id: streamId,
-                            ordered,
-                            maxPacketLifeTime,
-                            maxRetransmits,
-                            protocol,
-                        };
-                        logger.debug('receiveDataChannel() [options:%o]', options);
-                        const dataChannel = this._pc.createDataChannel(label, options);
-                        // If this is the first DataChannel we need to create the SDP offer with
-                        // m=application section.
-                        if (!this._hasDataChannelMediaSection) {
-                            this._remoteSdp.receiveSctpAssociation();
-                            const offer = { type: 'offer', sdp: this._remoteSdp.getSdp() };
-                            logger.debug('receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]', offer);
-                            await this._pc.setRemoteDescription(offer);
-                            const answer = await this._pc.createAnswer();
-                            if (!this._transportReady) {
-                                const localSdpObject = sdpTransform.parse(answer.sdp);
-                                await this.setupTransport({
-                                    localDtlsRole: this._forcedLocalDtlsRole ?? 'client',
-                                    localSdpObject,
-                                });
-                            }
-                            logger.debug(
-                                'receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]',
-                                answer,
-                            );
-                            await this._pc.setLocalDescription(answer);
-                            this._hasDataChannelMediaSection = true;
-                        }
-                        return { dataChannel };
-                    }
-                    async setupTransport({ localDtlsRole, localSdpObject }) {
-                        if (!localSdpObject) {
-                            localSdpObject = sdpTransform.parse(this._pc.localDescription.sdp);
-                        }
-                        // Get our local DTLS parameters.
-                        const dtlsParameters = sdpCommonUtils.extractDtlsParameters({
-                            sdpObject: localSdpObject,
-                        });
-                        // Set our DTLS role.
-                        dtlsParameters.role = localDtlsRole;
-                        // Update the remote DTLS role in the SDP.
-                        this._remoteSdp.updateDtlsRole(localDtlsRole === 'client' ? 'server' : 'client');
-                        // Need to tell the remote transport about our parameters.
-                        await new Promise((resolve, reject) => {
-                            this.safeEmit('@connect', { dtlsParameters }, resolve, reject);
-                        });
-                        this._transportReady = true;
-                    }
-                    assertNotClosed() {
-                        if (this._closed) {
-                            throw new errors_1.InvalidStateError('method called in a closed handler');
-                        }
-                    }
-                    assertSendDirection() {
-                        if (this._direction !== 'send') {
-                            throw new Error('method can just be called for handlers with "send" direction');
-                        }
-                    }
-                    assertRecvDirection() {
-                        if (this._direction !== 'recv') {
-                            throw new Error('method can just be called for handlers with "recv" direction');
-                        }
-                    }
-                }
-                exports.Safari12 = Safari12;
-            },
-            {
-                '../Logger': 18,
-                '../errors': 24,
-                '../ortc': 46,
-                '../scalabilityModes': 47,
-                '../utils': 49,
-                './HandlerInterface': 33,
-                './ortc/utils': 39,
-                './sdp/RemoteSdp': 41,
-                './sdp/commonUtils': 42,
-                './sdp/unifiedPlanUtils': 44,
-                'sdp-transform': 56,
-            },
-        ],
-        38: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.getCapabilities = getCapabilities;
-                exports.mangleRtpParameters = mangleRtpParameters;
-                const utils = __importStar(require('../../utils'));
-                /**
-                 * Normalize ORTC based Edge's RTCRtpReceiver.getCapabilities() to produce a full
-                 * compliant ORTC RTCRtpCapabilities.
-                 */
-                function getCapabilities() {
-                    const nativeCaps = RTCRtpReceiver.getCapabilities();
-                    const caps = utils.clone(nativeCaps);
-                    for (const codec of caps.codecs ?? []) {
-                        // Rename numChannels to channels.
-                        // @ts-expect-error --- On purpose.
-                        codec.channels = codec.numChannels;
-                        // @ts-expect-error --- On purpose.
-                        delete codec.numChannels;
-                        // Add mimeType.
-                        // @ts-expect-error --- On purpose (due to codec.name).
-                        codec.mimeType = codec.mimeType ?? `${codec.kind}/${codec.name}`;
-                        // NOTE: Edge sets some numeric parameters as string rather than number. Fix them.
-                        if (codec.parameters) {
-                            const parameters = codec.parameters;
-                            if (parameters.apt) {
-                                parameters.apt = Number(parameters.apt);
-                            }
-                            if (parameters['packetization-mode']) {
-                                parameters['packetization-mode'] = Number(parameters['packetization-mode']);
-                            }
-                        }
-                        // Delete emty parameter String in rtcpFeedback.
-                        for (const feedback of codec.rtcpFeedback ?? []) {
-                            if (!feedback.parameter) {
-                                feedback.parameter = '';
-                            }
-                        }
-                    }
-                    return caps;
-                }
-                /**
-                 * Generate RTCRtpParameters as ORTC based Edge likes.
-                 */
-                function mangleRtpParameters(rtpParameters) {
-                    const params = utils.clone(rtpParameters);
-                    // Rename mid to muxId.
-                    if (params.mid) {
-                        // @ts-expect-error --- On purpose (due to muxId).
-                        params.muxId = params.mid;
-                        delete params.mid;
-                    }
-                    for (const codec of params.codecs) {
-                        // Rename channels to numChannels.
-                        if (codec.channels) {
-                            // @ts-expect-error --- On purpose.
-                            codec.numChannels = codec.channels;
-                            delete codec.channels;
-                        }
-                        // Add codec.name (requried by Edge).
-                        // @ts-expect-error --- On purpose (due to name).
-                        if (codec.mimeType && !codec.name) {
-                            // @ts-expect-error --- On purpose (due to name).
-                            codec.name = codec.mimeType.split('/')[1];
-                        }
-                        // Remove mimeType.
-                        // @ts-expect-error --- On purpose.
-                        delete codec.mimeType;
-                    }
-                    return params;
-                }
-            },
-            { '../../utils': 49 },
-        ],
-        39: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.addNackSupportForOpus = addNackSupportForOpus;
-                /**
-                 * This function adds RTCP NACK support for OPUS codec in given capabilities.
-                 */
-                function addNackSupportForOpus(rtpCapabilities) {
-                    for (const codec of rtpCapabilities.codecs ?? []) {
-                        if (
-                            (codec.mimeType.toLowerCase() === 'audio/opus' ||
-                                codec.mimeType.toLowerCase() === 'audio/multiopus') &&
-                            !codec.rtcpFeedback?.some((fb) => fb.type === 'nack' && !fb.parameter)
-                        ) {
-                            if (!codec.rtcpFeedback) {
-                                codec.rtcpFeedback = [];
-                            }
-                            codec.rtcpFeedback.push({ type: 'nack' });
-                        }
-                    }
-                }
-            },
-            {},
-        ],
-        40: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.OfferMediaSection = exports.AnswerMediaSection = exports.MediaSection = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const utils = __importStar(require('../../utils'));
-                class MediaSection {
-                    constructor({ iceParameters, iceCandidates, dtlsParameters, planB = false }) {
-                        this._mediaObject = {};
-                        this._planB = planB;
-                        if (iceParameters) {
-                            this.setIceParameters(iceParameters);
-                        }
-                        if (iceCandidates) {
-                            this._mediaObject.candidates = [];
-                            for (const candidate of iceCandidates) {
-                                const candidateObject = {};
-                                // mediasoup does mandates rtcp-mux so candidates component is always
-                                // RTP (1).
-                                candidateObject.component = 1;
-                                candidateObject.foundation = candidate.foundation;
-                                // Be ready for new candidate.address field in mediasoup server side
-                                // field and keep backward compatibility with deprecated candidate.ip.
-                                candidateObject.ip = candidate.address ?? candidate.ip;
-                                candidateObject.port = candidate.port;
-                                candidateObject.priority = candidate.priority;
-                                candidateObject.transport = candidate.protocol;
-                                candidateObject.type = candidate.type;
-                                if (candidate.tcpType) {
-                                    candidateObject.tcptype = candidate.tcpType;
-                                }
-                                this._mediaObject.candidates.push(candidateObject);
-                            }
-                            this._mediaObject.endOfCandidates = 'end-of-candidates';
-                            this._mediaObject.iceOptions = 'renomination';
-                        }
-                        if (dtlsParameters) {
-                            this.setDtlsRole(dtlsParameters.role);
-                        }
-                    }
-                    get mid() {
-                        return String(this._mediaObject.mid);
-                    }
-                    get closed() {
-                        return this._mediaObject.port === 0;
-                    }
-                    getObject() {
-                        return this._mediaObject;
-                    }
-                    setIceParameters(iceParameters) {
-                        this._mediaObject.iceUfrag = iceParameters.usernameFragment;
-                        this._mediaObject.icePwd = iceParameters.password;
-                    }
-                    pause() {
-                        this._mediaObject.direction = 'inactive';
-                    }
-                    disable() {
-                        this.pause();
-                        delete this._mediaObject.ext;
-                        delete this._mediaObject.ssrcs;
-                        delete this._mediaObject.ssrcGroups;
-                        delete this._mediaObject.simulcast;
-                        delete this._mediaObject.simulcast_03;
-                        delete this._mediaObject.rids;
-                        delete this._mediaObject.extmapAllowMixed;
-                    }
-                    close() {
-                        this.disable();
-                        this._mediaObject.port = 0;
-                    }
-                }
-                exports.MediaSection = MediaSection;
-                class AnswerMediaSection extends MediaSection {
-                    constructor({
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        plainRtpParameters,
-                        planB = false,
-                        offerMediaObject,
-                        offerRtpParameters,
-                        answerRtpParameters,
-                        codecOptions,
-                        extmapAllowMixed = false,
-                    }) {
-                        super({ iceParameters, iceCandidates, dtlsParameters, planB });
-                        this._mediaObject.mid = String(offerMediaObject.mid);
-                        this._mediaObject.type = offerMediaObject.type;
-                        this._mediaObject.protocol = offerMediaObject.protocol;
-                        if (!plainRtpParameters) {
-                            this._mediaObject.connection = { ip: '127.0.0.1', version: 4 };
-                            this._mediaObject.port = 7;
-                        } else {
-                            this._mediaObject.connection = {
-                                ip: plainRtpParameters.ip,
-                                version: plainRtpParameters.ipVersion,
-                            };
-                            this._mediaObject.port = plainRtpParameters.port;
-                        }
-                        switch (offerMediaObject.type) {
-                            case 'audio':
-                            case 'video': {
-                                this._mediaObject.direction = 'recvonly';
-                                this._mediaObject.rtp = [];
-                                this._mediaObject.rtcpFb = [];
-                                this._mediaObject.fmtp = [];
-                                for (const codec of answerRtpParameters.codecs) {
-                                    const rtp = {
-                                        payload: codec.payloadType,
-                                        codec: getCodecName(codec),
-                                        rate: codec.clockRate,
-                                    };
-                                    if (codec.channels > 1) {
-                                        rtp.encoding = codec.channels;
-                                    }
-                                    this._mediaObject.rtp.push(rtp);
-                                    const codecParameters = utils.clone(codec.parameters) ?? {};
-                                    let codecRtcpFeedback = utils.clone(codec.rtcpFeedback) ?? [];
-                                    if (codecOptions) {
-                                        const {
-                                            opusStereo,
-                                            opusFec,
-                                            opusDtx,
-                                            opusMaxPlaybackRate,
-                                            opusMaxAverageBitrate,
-                                            opusPtime,
-                                            opusNack,
-                                            videoGoogleStartBitrate,
-                                            videoGoogleMaxBitrate,
-                                            videoGoogleMinBitrate,
-                                        } = codecOptions;
-                                        const offerCodec = offerRtpParameters.codecs.find(
-                                            (c) => c.payloadType === codec.payloadType,
-                                        );
-                                        switch (codec.mimeType.toLowerCase()) {
-                                            case 'audio/opus':
-                                            case 'audio/multiopus': {
-                                                if (opusStereo !== undefined) {
-                                                    offerCodec.parameters['sprop-stereo'] = opusStereo ? 1 : 0;
-                                                    codecParameters.stereo = opusStereo ? 1 : 0;
-                                                }
-                                                if (opusFec !== undefined) {
-                                                    offerCodec.parameters.useinbandfec = opusFec ? 1 : 0;
-                                                    codecParameters.useinbandfec = opusFec ? 1 : 0;
-                                                }
-                                                if (opusDtx !== undefined) {
-                                                    offerCodec.parameters.usedtx = opusDtx ? 1 : 0;
-                                                    codecParameters.usedtx = opusDtx ? 1 : 0;
-                                                }
-                                                if (opusMaxPlaybackRate !== undefined) {
-                                                    codecParameters.maxplaybackrate = opusMaxPlaybackRate;
-                                                }
-                                                if (opusMaxAverageBitrate !== undefined) {
-                                                    codecParameters.maxaveragebitrate = opusMaxAverageBitrate;
-                                                }
-                                                if (opusPtime !== undefined) {
-                                                    offerCodec.parameters.ptime = opusPtime;
-                                                    codecParameters.ptime = opusPtime;
-                                                }
-                                                // If opusNack is not set, we must remove NACK support for OPUS.
-                                                // Otherwise it would be enabled for those handlers that artificially
-                                                // announce it in their RTP capabilities.
-                                                if (!opusNack) {
-                                                    offerCodec.rtcpFeedback = offerCodec.rtcpFeedback.filter(
-                                                        (fb) => fb.type !== 'nack' || fb.parameter,
-                                                    );
-                                                    codecRtcpFeedback = codecRtcpFeedback.filter(
-                                                        (fb) => fb.type !== 'nack' || fb.parameter,
-                                                    );
-                                                }
-                                                break;
-                                            }
-                                            case 'video/vp8':
-                                            case 'video/vp9':
-                                            case 'video/h264':
-                                            case 'video/h265': {
-                                                if (videoGoogleStartBitrate !== undefined) {
-                                                    codecParameters['x-google-start-bitrate'] = videoGoogleStartBitrate;
-                                                }
-                                                if (videoGoogleMaxBitrate !== undefined) {
-                                                    codecParameters['x-google-max-bitrate'] = videoGoogleMaxBitrate;
-                                                }
-                                                if (videoGoogleMinBitrate !== undefined) {
-                                                    codecParameters['x-google-min-bitrate'] = videoGoogleMinBitrate;
-                                                }
-                                                break;
-                                            }
-                                        }
-                                    }
-                                    const fmtp = {
-                                        payload: codec.payloadType,
-                                        config: '',
-                                    };
-                                    for (const key of Object.keys(codecParameters)) {
-                                        if (fmtp.config) {
-                                            fmtp.config += ';';
-                                        }
-                                        fmtp.config += `${key}=${codecParameters[key]}`;
-                                    }
-                                    if (fmtp.config) {
-                                        this._mediaObject.fmtp.push(fmtp);
-                                    }
-                                    for (const fb of codecRtcpFeedback) {
-                                        this._mediaObject.rtcpFb.push({
-                                            payload: codec.payloadType,
-                                            type: fb.type,
-                                            subtype: fb.parameter,
-                                        });
-                                    }
-                                }
-                                this._mediaObject.payloads = answerRtpParameters.codecs
-                                    .map((codec) => codec.payloadType)
-                                    .join(' ');
-                                this._mediaObject.ext = [];
-                                for (const ext of answerRtpParameters.headerExtensions) {
-                                    // Don't add a header extension if not present in the offer.
-                                    const found = (offerMediaObject.ext ?? []).some(
-                                        (localExt) => localExt.uri === ext.uri,
-                                    );
-                                    if (!found) {
-                                        continue;
-                                    }
-                                    this._mediaObject.ext.push({
-                                        uri: ext.uri,
-                                        value: ext.id,
-                                    });
-                                }
-                                // Allow both 1 byte and 2 bytes length header extensions.
-                                if (extmapAllowMixed && offerMediaObject.extmapAllowMixed === 'extmap-allow-mixed') {
-                                    this._mediaObject.extmapAllowMixed = 'extmap-allow-mixed';
-                                }
-                                // Simulcast.
-                                if (offerMediaObject.simulcast) {
-                                    this._mediaObject.simulcast = {
-                                        dir1: 'recv',
-                                        list1: offerMediaObject.simulcast.list1,
-                                    };
-                                    this._mediaObject.rids = [];
-                                    for (const rid of offerMediaObject.rids ?? []) {
-                                        if (rid.direction !== 'send') {
-                                            continue;
-                                        }
-                                        this._mediaObject.rids.push({
-                                            id: rid.id,
-                                            direction: 'recv',
-                                        });
-                                    }
-                                }
-                                // Simulcast (draft version 03).
-                                else if (offerMediaObject.simulcast_03) {
-                                    this._mediaObject.simulcast_03 = {
-                                        value: offerMediaObject.simulcast_03.value.replace(/send/g, 'recv'),
-                                    };
-                                    this._mediaObject.rids = [];
-                                    for (const rid of offerMediaObject.rids ?? []) {
-                                        if (rid.direction !== 'send') {
-                                            continue;
-                                        }
-                                        this._mediaObject.rids.push({
-                                            id: rid.id,
-                                            direction: 'recv',
-                                        });
-                                    }
-                                }
-                                this._mediaObject.rtcpMux = 'rtcp-mux';
-                                this._mediaObject.rtcpRsize = 'rtcp-rsize';
-                                if (this._planB && this._mediaObject.type === 'video') {
-                                    this._mediaObject.xGoogleFlag = 'conference';
-                                }
-                                break;
-                            }
-                            case 'application': {
-                                // New spec.
-                                if (typeof offerMediaObject.sctpPort === 'number') {
-                                    this._mediaObject.payloads = 'webrtc-datachannel';
-                                    this._mediaObject.sctpPort = sctpParameters.port;
-                                    this._mediaObject.maxMessageSize = sctpParameters.maxMessageSize;
-                                }
-                                // Old spec.
-                                else if (offerMediaObject.sctpmap) {
-                                    this._mediaObject.payloads = sctpParameters.port;
-                                    this._mediaObject.sctpmap = {
-                                        app: 'webrtc-datachannel',
-                                        sctpmapNumber: sctpParameters.port,
-                                        maxMessageSize: sctpParameters.maxMessageSize,
-                                    };
-                                }
-                                break;
-                            }
-                        }
-                    }
-                    setDtlsRole(role) {
-                        switch (role) {
-                            case 'client': {
-                                this._mediaObject.setup = 'active';
-                                break;
-                            }
-                            case 'server': {
-                                this._mediaObject.setup = 'passive';
-                                break;
-                            }
-                            case 'auto': {
-                                this._mediaObject.setup = 'actpass';
-                                break;
-                            }
-                        }
-                    }
-                    resume() {
-                        this._mediaObject.direction = 'recvonly';
-                    }
-                    muxSimulcastStreams(encodings) {
-                        if (!this._mediaObject.simulcast?.list1) {
-                            return;
-                        }
-                        const layers = {};
-                        for (const encoding of encodings) {
-                            if (encoding.rid) {
-                                layers[encoding.rid] = encoding;
-                            }
-                        }
-                        const raw = this._mediaObject.simulcast.list1;
-                        const simulcastStreams = sdpTransform.parseSimulcastStreamList(raw);
-                        for (const simulcastStream of simulcastStreams) {
-                            for (const simulcastFormat of simulcastStream) {
-                                simulcastFormat.paused = !layers[simulcastFormat.scid]?.active;
-                            }
-                        }
-                        this._mediaObject.simulcast.list1 = simulcastStreams
-                            .map((simulcastFormats) =>
-                                simulcastFormats.map((f) => `${f.paused ? '~' : ''}${f.scid}`).join(','),
-                            )
-                            .join(';');
-                    }
-                }
-                exports.AnswerMediaSection = AnswerMediaSection;
-                class OfferMediaSection extends MediaSection {
-                    constructor({
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        plainRtpParameters,
-                        planB = false,
-                        mid,
-                        kind,
-                        offerRtpParameters,
-                        streamId,
-                        trackId,
-                        oldDataChannelSpec = false,
-                    }) {
-                        super({ iceParameters, iceCandidates, dtlsParameters, planB });
-                        this._mediaObject.mid = String(mid);
-                        this._mediaObject.type = kind;
-                        if (!plainRtpParameters) {
-                            this._mediaObject.connection = { ip: '127.0.0.1', version: 4 };
-                            if (!sctpParameters) {
-                                this._mediaObject.protocol = 'UDP/TLS/RTP/SAVPF';
-                            } else {
-                                this._mediaObject.protocol = 'UDP/DTLS/SCTP';
-                            }
-                            this._mediaObject.port = 7;
-                        } else {
-                            this._mediaObject.connection = {
-                                ip: plainRtpParameters.ip,
-                                version: plainRtpParameters.ipVersion,
-                            };
-                            this._mediaObject.protocol = 'RTP/AVP';
-                            this._mediaObject.port = plainRtpParameters.port;
-                        }
-                        switch (kind) {
-                            case 'audio':
-                            case 'video': {
-                                this._mediaObject.direction = 'sendonly';
-                                this._mediaObject.rtp = [];
-                                this._mediaObject.rtcpFb = [];
-                                this._mediaObject.fmtp = [];
-                                if (!this._planB) {
-                                    this._mediaObject.msid = `${streamId ?? '-'} ${trackId}`;
-                                }
-                                for (const codec of offerRtpParameters.codecs) {
-                                    const rtp = {
-                                        payload: codec.payloadType,
-                                        codec: getCodecName(codec),
-                                        rate: codec.clockRate,
-                                    };
-                                    if (codec.channels > 1) {
-                                        rtp.encoding = codec.channels;
-                                    }
-                                    this._mediaObject.rtp.push(rtp);
-                                    const fmtp = {
-                                        payload: codec.payloadType,
-                                        config: '',
-                                    };
-                                    for (const key of Object.keys(codec.parameters)) {
-                                        if (fmtp.config) {
-                                            fmtp.config += ';';
-                                        }
-                                        fmtp.config += `${key}=${codec.parameters[key]}`;
-                                    }
-                                    if (fmtp.config) {
-                                        this._mediaObject.fmtp.push(fmtp);
-                                    }
-                                    for (const fb of codec.rtcpFeedback) {
-                                        this._mediaObject.rtcpFb.push({
-                                            payload: codec.payloadType,
-                                            type: fb.type,
-                                            subtype: fb.parameter,
-                                        });
-                                    }
-                                }
-                                this._mediaObject.payloads = offerRtpParameters.codecs
-                                    .map((codec) => codec.payloadType)
-                                    .join(' ');
-                                this._mediaObject.ext = [];
-                                for (const ext of offerRtpParameters.headerExtensions) {
-                                    this._mediaObject.ext.push({
-                                        uri: ext.uri,
-                                        value: ext.id,
-                                    });
-                                }
-                                this._mediaObject.rtcpMux = 'rtcp-mux';
-                                this._mediaObject.rtcpRsize = 'rtcp-rsize';
-                                const encoding = offerRtpParameters.encodings[0];
-                                const ssrc = encoding.ssrc;
-                                const rtxSsrc = encoding.rtx?.ssrc;
-                                this._mediaObject.ssrcs = [];
-                                this._mediaObject.ssrcGroups = [];
-                                if (offerRtpParameters.rtcp.cname) {
-                                    this._mediaObject.ssrcs.push({
-                                        id: ssrc,
-                                        attribute: 'cname',
-                                        value: offerRtpParameters.rtcp.cname,
-                                    });
-                                }
-                                if (this._planB) {
-                                    this._mediaObject.ssrcs.push({
-                                        id: ssrc,
-                                        attribute: 'msid',
-                                        value: `${streamId ?? '-'} ${trackId}`,
-                                    });
-                                }
-                                if (rtxSsrc) {
-                                    if (offerRtpParameters.rtcp.cname) {
-                                        this._mediaObject.ssrcs.push({
-                                            id: rtxSsrc,
-                                            attribute: 'cname',
-                                            value: offerRtpParameters.rtcp.cname,
-                                        });
-                                    }
-                                    if (this._planB) {
-                                        this._mediaObject.ssrcs.push({
-                                            id: rtxSsrc,
-                                            attribute: 'msid',
-                                            value: `${streamId ?? '-'} ${trackId}`,
-                                        });
-                                    }
-                                    // Associate original and retransmission SSRCs.
-                                    this._mediaObject.ssrcGroups.push({
-                                        semantics: 'FID',
-                                        ssrcs: `${ssrc} ${rtxSsrc}`,
-                                    });
-                                }
-                                break;
-                            }
-                            case 'application': {
-                                // New spec.
-                                if (!oldDataChannelSpec) {
-                                    this._mediaObject.payloads = 'webrtc-datachannel';
-                                    this._mediaObject.sctpPort = sctpParameters.port;
-                                    this._mediaObject.maxMessageSize = sctpParameters.maxMessageSize;
-                                }
-                                // Old spec.
-                                else {
-                                    this._mediaObject.payloads = sctpParameters.port;
-                                    this._mediaObject.sctpmap = {
-                                        app: 'webrtc-datachannel',
-                                        sctpmapNumber: sctpParameters.port,
-                                        maxMessageSize: sctpParameters.maxMessageSize,
-                                    };
-                                }
-                                break;
-                            }
-                        }
-                    }
-                    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-                    setDtlsRole(role) {
-                        // Always 'actpass'.
-                        this._mediaObject.setup = 'actpass';
-                    }
-                    resume() {
-                        this._mediaObject.direction = 'sendonly';
-                    }
-                    planBReceive({ offerRtpParameters, streamId, trackId }) {
-                        const encoding = offerRtpParameters.encodings[0];
-                        const ssrc = encoding.ssrc;
-                        const rtxSsrc = encoding.rtx?.ssrc;
-                        const payloads = this._mediaObject.payloads.split(' ');
-                        for (const codec of offerRtpParameters.codecs) {
-                            if (payloads.includes(String(codec.payloadType))) {
-                                continue;
-                            }
-                            const rtp = {
-                                payload: codec.payloadType,
-                                codec: getCodecName(codec),
-                                rate: codec.clockRate,
-                            };
-                            if (codec.channels > 1) {
-                                rtp.encoding = codec.channels;
-                            }
-                            this._mediaObject.rtp.push(rtp);
-                            const fmtp = {
-                                payload: codec.payloadType,
-                                config: '',
-                            };
-                            for (const key of Object.keys(codec.parameters)) {
-                                if (fmtp.config) {
-                                    fmtp.config += ';';
-                                }
-                                fmtp.config += `${key}=${codec.parameters[key]}`;
-                            }
-                            if (fmtp.config) {
-                                this._mediaObject.fmtp.push(fmtp);
-                            }
-                            for (const fb of codec.rtcpFeedback) {
-                                this._mediaObject.rtcpFb.push({
-                                    payload: codec.payloadType,
-                                    type: fb.type,
-                                    subtype: fb.parameter,
-                                });
-                            }
-                        }
-                        this._mediaObject.payloads += ` ${offerRtpParameters.codecs
-                            .filter((codec) => !this._mediaObject.payloads.includes(codec.payloadType))
-                            .map((codec) => codec.payloadType)
-                            .join(' ')}`;
-                        this._mediaObject.payloads = this._mediaObject.payloads.trim();
-                        if (offerRtpParameters.rtcp.cname) {
-                            this._mediaObject.ssrcs.push({
-                                id: ssrc,
-                                attribute: 'cname',
-                                value: offerRtpParameters.rtcp.cname,
-                            });
-                        }
-                        this._mediaObject.ssrcs.push({
-                            id: ssrc,
-                            attribute: 'msid',
-                            value: `${streamId ?? '-'} ${trackId}`,
-                        });
-                        if (rtxSsrc) {
-                            if (offerRtpParameters.rtcp.cname) {
-                                this._mediaObject.ssrcs.push({
-                                    id: rtxSsrc,
-                                    attribute: 'cname',
-                                    value: offerRtpParameters.rtcp.cname,
-                                });
-                            }
-                            this._mediaObject.ssrcs.push({
-                                id: rtxSsrc,
-                                attribute: 'msid',
-                                value: `${streamId ?? '-'} ${trackId}`,
-                            });
-                            // Associate original and retransmission SSRCs.
-                            this._mediaObject.ssrcGroups.push({
-                                semantics: 'FID',
-                                ssrcs: `${ssrc} ${rtxSsrc}`,
-                            });
-                        }
-                    }
-                    planBStopReceiving({ offerRtpParameters }) {
-                        const encoding = offerRtpParameters.encodings[0];
-                        const ssrc = encoding.ssrc;
-                        const rtxSsrc = encoding.rtx?.ssrc;
-                        this._mediaObject.ssrcs = this._mediaObject.ssrcs.filter(
-                            (s) => s.id !== ssrc && s.id !== rtxSsrc,
-                        );
-                        if (rtxSsrc) {
-                            this._mediaObject.ssrcGroups = this._mediaObject.ssrcGroups.filter(
-                                (group) => group.ssrcs !== `${ssrc} ${rtxSsrc}`,
-                            );
-                        }
-                    }
-                }
-                exports.OfferMediaSection = OfferMediaSection;
-                function getCodecName(codec) {
-                    const MimeTypeRegex = new RegExp('^(audio|video)/(.+)', 'i');
-                    const mimeTypeMatch = MimeTypeRegex.exec(codec.mimeType);
-                    if (!mimeTypeMatch) {
-                        throw new TypeError('invalid codec.mimeType');
-                    }
-                    return mimeTypeMatch[2];
-                }
-            },
-            { '../../utils': 49, 'sdp-transform': 56 },
-        ],
-        41: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.RemoteSdp = void 0;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                const Logger_1 = require('../../Logger');
-                const MediaSection_1 = require('./MediaSection');
-                const logger = new Logger_1.Logger('RemoteSdp');
-                class RemoteSdp {
-                    constructor({
-                        iceParameters,
-                        iceCandidates,
-                        dtlsParameters,
-                        sctpParameters,
-                        plainRtpParameters,
-                        planB = false,
-                    }) {
-                        // MediaSection instances with same order as in the SDP.
-                        this._mediaSections = [];
-                        // MediaSection indices indexed by MID.
-                        this._midToIndex = new Map();
-                        this._iceParameters = iceParameters;
-                        this._iceCandidates = iceCandidates;
-                        this._dtlsParameters = dtlsParameters;
-                        this._sctpParameters = sctpParameters;
-                        this._plainRtpParameters = plainRtpParameters;
-                        this._planB = planB;
-                        this._sdpObject = {
-                            version: 0,
-                            origin: {
-                                address: '0.0.0.0',
-                                ipVer: 4,
-                                netType: 'IN',
-                                sessionId: 10000,
-                                sessionVersion: 0,
-                                username: 'mediasoup-client',
-                            },
-                            name: '-',
-                            timing: { start: 0, stop: 0 },
-                            media: [],
-                        };
-                        // If ICE parameters are given, add ICE-Lite indicator.
-                        if (iceParameters?.iceLite) {
-                            this._sdpObject.icelite = 'ice-lite';
-                        }
-                        // If DTLS parameters are given, assume WebRTC and BUNDLE.
-                        if (dtlsParameters) {
-                            this._sdpObject.msidSemantic = { semantic: 'WMS', token: '*' };
-                            // NOTE: We take the latest fingerprint.
-                            const numFingerprints = this._dtlsParameters.fingerprints.length;
-                            this._sdpObject.fingerprint = {
-                                type: dtlsParameters.fingerprints[numFingerprints - 1].algorithm,
-                                hash: dtlsParameters.fingerprints[numFingerprints - 1].value,
-                            };
-                            this._sdpObject.groups = [{ type: 'BUNDLE', mids: '' }];
-                        }
-                        // If there are plain RPT parameters, override SDP origin.
-                        if (plainRtpParameters) {
-                            this._sdpObject.origin.address = plainRtpParameters.ip;
-                            this._sdpObject.origin.ipVer = plainRtpParameters.ipVersion;
-                        }
-                    }
-                    updateIceParameters(iceParameters) {
-                        logger.debug('updateIceParameters() [iceParameters:%o]', iceParameters);
-                        this._iceParameters = iceParameters;
-                        this._sdpObject.icelite = iceParameters.iceLite ? 'ice-lite' : undefined;
-                        for (const mediaSection of this._mediaSections) {
-                            mediaSection.setIceParameters(iceParameters);
-                        }
-                    }
-                    updateDtlsRole(role) {
-                        logger.debug('updateDtlsRole() [role:%s]', role);
-                        this._dtlsParameters.role = role;
-                        for (const mediaSection of this._mediaSections) {
-                            mediaSection.setDtlsRole(role);
-                        }
-                    }
-                    getNextMediaSectionIdx() {
-                        // If a closed media section is found, return its index.
-                        for (let idx = 0; idx < this._mediaSections.length; ++idx) {
-                            const mediaSection = this._mediaSections[idx];
-                            if (mediaSection.closed) {
-                                return { idx, reuseMid: mediaSection.mid };
-                            }
-                        }
-                        // If no closed media section is found, return next one.
-                        return { idx: this._mediaSections.length };
-                    }
-                    send({
-                        offerMediaObject,
-                        reuseMid,
-                        offerRtpParameters,
-                        answerRtpParameters,
-                        codecOptions,
-                        extmapAllowMixed = false,
-                    }) {
-                        const mediaSection = new MediaSection_1.AnswerMediaSection({
-                            iceParameters: this._iceParameters,
-                            iceCandidates: this._iceCandidates,
-                            dtlsParameters: this._dtlsParameters,
-                            plainRtpParameters: this._plainRtpParameters,
-                            planB: this._planB,
-                            offerMediaObject,
-                            offerRtpParameters,
-                            answerRtpParameters,
-                            codecOptions,
-                            extmapAllowMixed,
-                        });
-                        // Unified-Plan with closed media section replacement.
-                        if (reuseMid) {
-                            this._replaceMediaSection(mediaSection, reuseMid);
-                        }
-                        // Unified-Plan or Plan-B with different media kind.
-                        else if (!this._midToIndex.has(mediaSection.mid)) {
-                            this._addMediaSection(mediaSection);
-                        }
-                        // Plan-B with same media kind.
-                        else {
-                            this._replaceMediaSection(mediaSection);
-                        }
-                    }
-                    receive({ mid, kind, offerRtpParameters, streamId, trackId }) {
-                        const idx = this._midToIndex.get(mid);
-                        let mediaSection;
-                        if (idx !== undefined) {
-                            mediaSection = this._mediaSections[idx];
-                        }
-                        // Unified-Plan or different media kind.
-                        if (!mediaSection) {
-                            mediaSection = new MediaSection_1.OfferMediaSection({
-                                iceParameters: this._iceParameters,
-                                iceCandidates: this._iceCandidates,
-                                dtlsParameters: this._dtlsParameters,
-                                plainRtpParameters: this._plainRtpParameters,
-                                planB: this._planB,
-                                mid,
-                                kind,
-                                offerRtpParameters,
-                                streamId,
-                                trackId,
-                            });
-                            // Let's try to recycle a closed media section (if any).
-                            // NOTE: Yes, we can recycle a closed m=audio section with a new m=video.
-                            const oldMediaSection = this._mediaSections.find((m) => m.closed);
-                            if (oldMediaSection) {
-                                this._replaceMediaSection(mediaSection, oldMediaSection.mid);
-                            } else {
-                                this._addMediaSection(mediaSection);
-                            }
-                        }
-                        // Plan-B.
-                        else {
-                            mediaSection.planBReceive({ offerRtpParameters, streamId, trackId });
-                            this._replaceMediaSection(mediaSection);
-                        }
-                    }
-                    pauseMediaSection(mid) {
-                        const mediaSection = this._findMediaSection(mid);
-                        mediaSection.pause();
-                    }
-                    resumeSendingMediaSection(mid) {
-                        const mediaSection = this._findMediaSection(mid);
-                        mediaSection.resume();
-                    }
-                    resumeReceivingMediaSection(mid) {
-                        const mediaSection = this._findMediaSection(mid);
-                        mediaSection.resume();
-                    }
-                    disableMediaSection(mid) {
-                        const mediaSection = this._findMediaSection(mid);
-                        mediaSection.disable();
-                    }
-                    /**
-                     * Closes media section. Returns true if the given MID corresponds to a m
-                     * section that has been indeed closed. False otherwise.
-                     *
-                     * NOTE: Closing the first m section is a pain since it invalidates the bundled
-                     * transport, so instead closing it we just disable it.
-                     */
-                    closeMediaSection(mid) {
-                        const mediaSection = this._findMediaSection(mid);
-                        // NOTE: Closing the first m section is a pain since it invalidates the
-                        // bundled transport, so let's avoid it.
-                        if (mid === this._firstMid) {
-                            logger.debug(
-                                'closeMediaSection() | cannot close first media section, disabling it instead [mid:%s]',
-                                mid,
-                            );
-                            this.disableMediaSection(mid);
-                            return false;
-                        }
-                        mediaSection.close();
-                        // Regenerate BUNDLE mids.
-                        this._regenerateBundleMids();
-                        return true;
-                    }
-                    muxMediaSectionSimulcast(mid, encodings) {
-                        const mediaSection = this._findMediaSection(mid);
-                        mediaSection.muxSimulcastStreams(encodings);
-                        this._replaceMediaSection(mediaSection);
-                    }
-                    planBStopReceiving({ mid, offerRtpParameters }) {
-                        const mediaSection = this._findMediaSection(mid);
-                        mediaSection.planBStopReceiving({ offerRtpParameters });
-                        this._replaceMediaSection(mediaSection);
-                    }
-                    sendSctpAssociation({ offerMediaObject }) {
-                        const mediaSection = new MediaSection_1.AnswerMediaSection({
-                            iceParameters: this._iceParameters,
-                            iceCandidates: this._iceCandidates,
-                            dtlsParameters: this._dtlsParameters,
-                            sctpParameters: this._sctpParameters,
-                            plainRtpParameters: this._plainRtpParameters,
-                            offerMediaObject,
-                        });
-                        this._addMediaSection(mediaSection);
-                    }
-                    receiveSctpAssociation({ oldDataChannelSpec = false } = {}) {
-                        const mediaSection = new MediaSection_1.OfferMediaSection({
-                            iceParameters: this._iceParameters,
-                            iceCandidates: this._iceCandidates,
-                            dtlsParameters: this._dtlsParameters,
-                            sctpParameters: this._sctpParameters,
-                            plainRtpParameters: this._plainRtpParameters,
-                            mid: 'datachannel',
-                            kind: 'application',
-                            oldDataChannelSpec,
-                        });
-                        this._addMediaSection(mediaSection);
-                    }
-                    getSdp() {
-                        // Increase SDP version.
-                        this._sdpObject.origin.sessionVersion++;
-                        return sdpTransform.write(this._sdpObject);
-                    }
-                    _addMediaSection(newMediaSection) {
-                        if (!this._firstMid) {
-                            this._firstMid = newMediaSection.mid;
-                        }
-                        // Add to the vector.
-                        this._mediaSections.push(newMediaSection);
-                        // Add to the map.
-                        this._midToIndex.set(newMediaSection.mid, this._mediaSections.length - 1);
-                        // Add to the SDP object.
-                        this._sdpObject.media.push(newMediaSection.getObject());
-                        // Regenerate BUNDLE mids.
-                        this._regenerateBundleMids();
-                    }
-                    _replaceMediaSection(newMediaSection, reuseMid) {
-                        // Store it in the map.
-                        if (typeof reuseMid === 'string') {
-                            const idx = this._midToIndex.get(reuseMid);
-                            if (idx === undefined) {
-                                throw new Error(`no media section found for reuseMid '${reuseMid}'`);
-                            }
-                            const oldMediaSection = this._mediaSections[idx];
-                            // Replace the index in the vector with the new media section.
-                            this._mediaSections[idx] = newMediaSection;
-                            // Update the map.
-                            this._midToIndex.delete(oldMediaSection.mid);
-                            this._midToIndex.set(newMediaSection.mid, idx);
-                            // Update the SDP object.
-                            this._sdpObject.media[idx] = newMediaSection.getObject();
-                            // Regenerate BUNDLE mids.
-                            this._regenerateBundleMids();
-                        } else {
-                            const idx = this._midToIndex.get(newMediaSection.mid);
-                            if (idx === undefined) {
-                                throw new Error(`no media section found with mid '${newMediaSection.mid}'`);
-                            }
-                            // Replace the index in the vector with the new media section.
-                            this._mediaSections[idx] = newMediaSection;
-                            // Update the SDP object.
-                            this._sdpObject.media[idx] = newMediaSection.getObject();
-                        }
-                    }
-                    _findMediaSection(mid) {
-                        const idx = this._midToIndex.get(mid);
-                        if (idx === undefined) {
-                            throw new Error(`no media section found with mid '${mid}'`);
-                        }
-                        return this._mediaSections[idx];
-                    }
-                    _regenerateBundleMids() {
-                        if (!this._dtlsParameters) {
-                            return;
-                        }
-                        this._sdpObject.groups[0].mids = this._mediaSections
-                            .filter((mediaSection) => !mediaSection.closed)
-                            .map((mediaSection) => mediaSection.mid)
-                            .join(' ');
-                    }
-                }
-                exports.RemoteSdp = RemoteSdp;
-            },
-            { '../../Logger': 18, './MediaSection': 40, 'sdp-transform': 56 },
-        ],
-        42: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.extractRtpCapabilities = extractRtpCapabilities;
-                exports.extractDtlsParameters = extractDtlsParameters;
-                exports.getCname = getCname;
-                exports.applyCodecParameters = applyCodecParameters;
-                const sdpTransform = __importStar(require('sdp-transform'));
-                /**
-                 * This function must be called with an SDP with 1 m=audio and 1 m=video
-                 * sections.
-                 */
-                function extractRtpCapabilities({ sdpObject }) {
-                    // Map of RtpCodecParameters indexed by payload type.
-                    const codecsMap = new Map();
-                    // Array of RtpHeaderExtensions.
-                    const headerExtensions = [];
-                    // Whether a m=audio/video section has been already found.
-                    let gotAudio = false;
-                    let gotVideo = false;
-                    for (const m of sdpObject.media) {
-                        const kind = m.type;
-                        switch (kind) {
-                            case 'audio': {
-                                if (gotAudio) {
-                                    continue;
-                                }
-                                gotAudio = true;
-                                break;
-                            }
-                            case 'video': {
-                                if (gotVideo) {
-                                    continue;
-                                }
-                                gotVideo = true;
-                                break;
-                            }
-                            default: {
-                                continue;
-                            }
-                        }
-                        // Get codecs.
-                        for (const rtp of m.rtp) {
-                            const codec = {
-                                kind: kind,
-                                mimeType: `${kind}/${rtp.codec}`,
-                                preferredPayloadType: rtp.payload,
-                                clockRate: rtp.rate,
-                                channels: rtp.encoding,
-                                parameters: {},
-                                rtcpFeedback: [],
-                            };
-                            codecsMap.set(codec.preferredPayloadType, codec);
-                        }
-                        // Get codec parameters.
-                        for (const fmtp of m.fmtp ?? []) {
-                            const parameters = sdpTransform.parseParams(fmtp.config);
-                            const codec = codecsMap.get(fmtp.payload);
-                            if (!codec) {
-                                continue;
-                            }
-                            // Specials case to convert parameter value to string.
-                            if (parameters?.hasOwnProperty('profile-level-id')) {
-                                parameters['profile-level-id'] = String(parameters['profile-level-id']);
-                            }
-                            codec.parameters = parameters;
-                        }
-                        // Get RTCP feedback for each codec.
-                        for (const fb of m.rtcpFb ?? []) {
-                            const feedback = {
-                                type: fb.type,
-                                parameter: fb.subtype,
-                            };
-                            if (!feedback.parameter) {
-                                delete feedback.parameter;
-                            }
-                            // rtcp-fb payload is not '*', so just apply it to its corresponding
-                            // codec.
-                            if (fb.payload !== '*') {
-                                const codec = codecsMap.get(fb.payload);
-                                if (!codec) {
-                                    continue;
-                                }
-                                codec.rtcpFeedback.push(feedback);
-                            }
-                            // If rtcp-fb payload is '*' it must be applied to all codecs with same
-                            // kind (with some exceptions such as RTX codec).
-                            else {
-                                for (const codec of codecsMap.values()) {
-                                    if (codec.kind === kind && !/.+\/rtx$/i.test(codec.mimeType)) {
-                                        codec.rtcpFeedback.push(feedback);
-                                    }
-                                }
-                            }
-                        }
-                        // Get RTP header extensions.
-                        for (const ext of m.ext ?? []) {
-                            // Ignore encrypted extensions (not yet supported in mediasoup).
-                            if (ext['encrypt-uri']) {
-                                continue;
-                            }
-                            const headerExtension = {
-                                kind: kind,
-                                uri: ext.uri,
-                                preferredId: ext.value,
-                            };
-                            headerExtensions.push(headerExtension);
-                        }
-                    }
-                    const rtpCapabilities = {
-                        codecs: Array.from(codecsMap.values()),
-                        headerExtensions: headerExtensions,
-                    };
-                    return rtpCapabilities;
-                }
-                function extractDtlsParameters({ sdpObject }) {
-                    let setup = sdpObject.setup;
-                    let fingerprint = sdpObject.fingerprint;
-                    if (!setup || !fingerprint) {
-                        const mediaObject = (sdpObject.media ?? []).find((m) => m.port !== 0);
-                        if (mediaObject) {
-                            setup ?? (setup = mediaObject.setup);
-                            fingerprint ?? (fingerprint = mediaObject.fingerprint);
-                        }
-                    }
-                    if (!setup) {
-                        throw new Error('no a=setup found at SDP session or media level');
-                    } else if (!fingerprint) {
-                        throw new Error('no a=fingerprint found at SDP session or media level');
-                    }
-                    let role;
-                    switch (setup) {
-                        case 'active': {
-                            role = 'client';
-                            break;
-                        }
-                        case 'passive': {
-                            role = 'server';
-                            break;
-                        }
-                        case 'actpass': {
-                            role = 'auto';
-                            break;
-                        }
-                    }
-                    const dtlsParameters = {
-                        role,
-                        fingerprints: [
-                            {
-                                algorithm: fingerprint.type,
-                                value: fingerprint.hash,
-                            },
-                        ],
-                    };
-                    return dtlsParameters;
-                }
-                function getCname({ offerMediaObject }) {
-                    const ssrcCnameLine = (offerMediaObject.ssrcs ?? []).find((line) => line.attribute === 'cname');
-                    if (!ssrcCnameLine) {
-                        return '';
-                    }
-                    return ssrcCnameLine.value;
-                }
-                /**
-                 * Apply codec parameters in the given SDP m= section answer based on the
-                 * given RTP parameters of an offer.
-                 */
-                function applyCodecParameters({ offerRtpParameters, answerMediaObject }) {
-                    for (const codec of offerRtpParameters.codecs) {
-                        const mimeType = codec.mimeType.toLowerCase();
-                        // Avoid parsing codec parameters for unhandled codecs.
-                        if (mimeType !== 'audio/opus') {
-                            continue;
-                        }
-                        const rtp = (answerMediaObject.rtp ?? []).find((r) => r.payload === codec.payloadType);
-                        if (!rtp) {
-                            continue;
-                        }
-                        // Just in case.
-                        answerMediaObject.fmtp = answerMediaObject.fmtp ?? [];
-                        let fmtp = answerMediaObject.fmtp.find((f) => f.payload === codec.payloadType);
-                        if (!fmtp) {
-                            fmtp = { payload: codec.payloadType, config: '' };
-                            answerMediaObject.fmtp.push(fmtp);
-                        }
-                        const parameters = sdpTransform.parseParams(fmtp.config);
-                        switch (mimeType) {
-                            case 'audio/opus': {
-                                const spropStereo = codec.parameters['sprop-stereo'];
-                                if (spropStereo !== undefined) {
-                                    parameters.stereo = Number(spropStereo) ? 1 : 0;
-                                }
-                                break;
-                            }
-                        }
-                        // Write the codec fmtp.config back.
-                        fmtp.config = '';
-                        for (const key of Object.keys(parameters)) {
-                            if (fmtp.config) {
-                                fmtp.config += ';';
-                            }
-                            fmtp.config += `${key}=${parameters[key]}`;
-                        }
-                    }
-                }
-            },
-            { 'sdp-transform': 56 },
-        ],
-        43: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.getRtpEncodings = getRtpEncodings;
-                exports.addLegacySimulcast = addLegacySimulcast;
-                function getRtpEncodings({ offerMediaObject, track }) {
-                    // First media SSRC (or the only one).
-                    let firstSsrc;
-                    const ssrcs = new Set();
-                    for (const line of offerMediaObject.ssrcs ?? []) {
-                        if (line.attribute !== 'msid') {
-                            continue;
-                        }
-                        const trackId = line.value.split(' ')[1];
-                        if (trackId === track.id) {
-                            const ssrc = line.id;
-                            ssrcs.add(ssrc);
-                            if (!firstSsrc) {
-                                firstSsrc = ssrc;
-                            }
-                        }
-                    }
-                    if (ssrcs.size === 0) {
-                        throw new Error(`a=ssrc line with msid information not found [track.id:${track.id}]`);
-                    }
-                    const ssrcToRtxSsrc = new Map();
-                    // First assume RTX is used.
-                    for (const line of offerMediaObject.ssrcGroups ?? []) {
-                        if (line.semantics !== 'FID') {
-                            continue;
-                        }
-                        let [ssrc, rtxSsrc] = line.ssrcs.split(/\s+/);
-                        ssrc = Number(ssrc);
-                        rtxSsrc = Number(rtxSsrc);
-                        if (ssrcs.has(ssrc)) {
-                            // Remove both the SSRC and RTX SSRC from the set so later we know that they
-                            // are already handled.
-                            ssrcs.delete(ssrc);
-                            ssrcs.delete(rtxSsrc);
-                            // Add to the map.
-                            ssrcToRtxSsrc.set(ssrc, rtxSsrc);
-                        }
-                    }
-                    // If the set of SSRCs is not empty it means that RTX is not being used, so take
-                    // media SSRCs from there.
-                    for (const ssrc of ssrcs) {
-                        // Add to the map.
-                        ssrcToRtxSsrc.set(ssrc, null);
-                    }
-                    const encodings = [];
-                    for (const [ssrc, rtxSsrc] of ssrcToRtxSsrc) {
-                        const encoding = { ssrc };
-                        if (rtxSsrc) {
-                            encoding.rtx = { ssrc: rtxSsrc };
-                        }
-                        encodings.push(encoding);
-                    }
-                    return encodings;
-                }
-                /**
-                 * Adds multi-ssrc based simulcast into the given SDP media section offer.
-                 */
-                function addLegacySimulcast({ offerMediaObject, track, numStreams }) {
-                    if (numStreams <= 1) {
-                        throw new TypeError('numStreams must be greater than 1');
-                    }
-                    let firstSsrc;
-                    let firstRtxSsrc;
-                    let streamId;
-                    // Get the SSRC.
-                    const ssrcMsidLine = (offerMediaObject.ssrcs ?? []).find((line) => {
-                        if (line.attribute !== 'msid') {
-                            return false;
-                        }
-                        const trackId = line.value.split(' ')[1];
-                        if (trackId === track.id) {
-                            firstSsrc = line.id;
-                            streamId = line.value.split(' ')[0];
-                            return true;
-                        } else {
-                            return false;
-                        }
-                    });
-                    if (!ssrcMsidLine) {
-                        throw new Error(`a=ssrc line with msid information not found [track.id:${track.id}]`);
-                    }
-                    // Get the SSRC for RTX.
-                    (offerMediaObject.ssrcGroups ?? []).some((line) => {
-                        if (line.semantics !== 'FID') {
-                            return false;
-                        }
-                        const ssrcs = line.ssrcs.split(/\s+/);
-                        if (Number(ssrcs[0]) === firstSsrc) {
-                            firstRtxSsrc = Number(ssrcs[1]);
-                            return true;
-                        } else {
-                            return false;
-                        }
-                    });
-                    const ssrcCnameLine = offerMediaObject.ssrcs.find(
-                        (line) => line.attribute === 'cname' && line.id === firstSsrc,
-                    );
-                    if (!ssrcCnameLine) {
-                        throw new Error(`a=ssrc line with cname information not found [track.id:${track.id}]`);
-                    }
-                    const cname = ssrcCnameLine.value;
-                    const ssrcs = [];
-                    const rtxSsrcs = [];
-                    for (let i = 0; i < numStreams; ++i) {
-                        ssrcs.push(firstSsrc + i);
-                        if (firstRtxSsrc) {
-                            rtxSsrcs.push(firstRtxSsrc + i);
-                        }
-                    }
-                    offerMediaObject.ssrcGroups = offerMediaObject.ssrcGroups ?? [];
-                    offerMediaObject.ssrcs = offerMediaObject.ssrcs ?? [];
-                    offerMediaObject.ssrcGroups.push({
-                        semantics: 'SIM',
-                        ssrcs: ssrcs.join(' '),
-                    });
-                    for (const ssrc of ssrcs) {
-                        offerMediaObject.ssrcs.push({
-                            id: ssrc,
-                            attribute: 'cname',
-                            value: cname,
-                        });
-                        offerMediaObject.ssrcs.push({
-                            id: ssrc,
-                            attribute: 'msid',
-                            value: `${streamId} ${track.id}`,
-                        });
-                    }
-                    for (let i = 0; i < rtxSsrcs.length; ++i) {
-                        const ssrc = ssrcs[i];
-                        const rtxSsrc = rtxSsrcs[i];
-                        offerMediaObject.ssrcs.push({
-                            id: rtxSsrc,
-                            attribute: 'cname',
-                            value: cname,
-                        });
-                        offerMediaObject.ssrcs.push({
-                            id: rtxSsrc,
-                            attribute: 'msid',
-                            value: `${streamId} ${track.id}`,
-                        });
-                        offerMediaObject.ssrcGroups.push({
-                            semantics: 'FID',
-                            ssrcs: `${ssrc} ${rtxSsrc}`,
-                        });
-                    }
-                }
-            },
-            {},
-        ],
-        44: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.getRtpEncodings = getRtpEncodings;
-                exports.addLegacySimulcast = addLegacySimulcast;
-                function getRtpEncodings({ offerMediaObject }) {
-                    const ssrcs = new Set();
-                    for (const line of offerMediaObject.ssrcs ?? []) {
-                        const ssrc = line.id;
-                        ssrcs.add(ssrc);
-                    }
-                    if (ssrcs.size === 0) {
-                        throw new Error('no a=ssrc lines found');
-                    }
-                    const ssrcToRtxSsrc = new Map();
-                    // First assume RTX is used.
-                    for (const line of offerMediaObject.ssrcGroups ?? []) {
-                        if (line.semantics !== 'FID') {
-                            continue;
-                        }
-                        let [ssrc, rtxSsrc] = line.ssrcs.split(/\s+/);
-                        ssrc = Number(ssrc);
-                        rtxSsrc = Number(rtxSsrc);
-                        if (ssrcs.has(ssrc)) {
-                            // Remove both the SSRC and RTX SSRC from the set so later we know
-                            // that they are already handled.
-                            ssrcs.delete(ssrc);
-                            ssrcs.delete(rtxSsrc);
-                            // Add to the map.
-                            ssrcToRtxSsrc.set(ssrc, rtxSsrc);
-                        }
-                    }
-                    // If the set of SSRCs is not empty it means that RTX is not being used, so
-                    // take media SSRCs from there.
-                    for (const ssrc of ssrcs) {
-                        // Add to the map.
-                        ssrcToRtxSsrc.set(ssrc, null);
-                    }
-                    const encodings = [];
-                    for (const [ssrc, rtxSsrc] of ssrcToRtxSsrc) {
-                        const encoding = { ssrc };
-                        if (rtxSsrc) {
-                            encoding.rtx = { ssrc: rtxSsrc };
-                        }
-                        encodings.push(encoding);
-                    }
-                    return encodings;
-                }
-                /**
-                 * Adds multi-ssrc based simulcast into the given SDP media section offer.
-                 */
-                function addLegacySimulcast({ offerMediaObject, numStreams }) {
-                    if (numStreams <= 1) {
-                        throw new TypeError('numStreams must be greater than 1');
-                    }
-                    // Get the SSRC.
-                    const ssrcMsidLine = (offerMediaObject.ssrcs ?? []).find((line) => line.attribute === 'msid');
-                    if (!ssrcMsidLine) {
-                        throw new Error('a=ssrc line with msid information not found');
-                    }
-                    const [streamId, trackId] = ssrcMsidLine.value.split(' ');
-                    const firstSsrc = Number(ssrcMsidLine.id);
-                    let firstRtxSsrc;
-                    // Get the SSRC for RTX.
-                    (offerMediaObject.ssrcGroups ?? []).some((line) => {
-                        if (line.semantics !== 'FID') {
-                            return false;
-                        }
-                        const ssrcs = line.ssrcs.split(/\s+/);
-                        if (Number(ssrcs[0]) === firstSsrc) {
-                            firstRtxSsrc = Number(ssrcs[1]);
-                            return true;
-                        } else {
-                            return false;
-                        }
-                    });
-                    const ssrcCnameLine = offerMediaObject.ssrcs.find((line) => line.attribute === 'cname');
-                    if (!ssrcCnameLine) {
-                        throw new Error('a=ssrc line with cname information not found');
-                    }
-                    const cname = ssrcCnameLine.value;
-                    const ssrcs = [];
-                    const rtxSsrcs = [];
-                    for (let i = 0; i < numStreams; ++i) {
-                        ssrcs.push(firstSsrc + i);
-                        if (firstRtxSsrc) {
-                            rtxSsrcs.push(firstRtxSsrc + i);
-                        }
-                    }
-                    offerMediaObject.ssrcGroups = [];
-                    offerMediaObject.ssrcs = [];
-                    offerMediaObject.ssrcGroups.push({
-                        semantics: 'SIM',
-                        ssrcs: ssrcs.join(' '),
-                    });
-                    for (const ssrc of ssrcs) {
-                        offerMediaObject.ssrcs.push({
-                            id: ssrc,
-                            attribute: 'cname',
-                            value: cname,
-                        });
-                        offerMediaObject.ssrcs.push({
-                            id: ssrc,
-                            attribute: 'msid',
-                            value: `${streamId} ${trackId}`,
-                        });
-                    }
-                    for (let i = 0; i < rtxSsrcs.length; ++i) {
-                        const ssrc = ssrcs[i];
-                        const rtxSsrc = rtxSsrcs[i];
-                        offerMediaObject.ssrcs.push({
-                            id: rtxSsrc,
-                            attribute: 'cname',
-                            value: cname,
-                        });
-                        offerMediaObject.ssrcs.push({
-                            id: rtxSsrc,
-                            attribute: 'msid',
-                            value: `${streamId} ${trackId}`,
-                        });
-                        offerMediaObject.ssrcGroups.push({
-                            semantics: 'FID',
-                            ssrcs: `${ssrc} ${rtxSsrc}`,
-                        });
-                    }
-                }
-            },
-            {},
-        ],
-        45: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                var __importDefault =
-                    (this && this.__importDefault) ||
-                    function (mod) {
-                        return mod && mod.__esModule ? mod : { default: mod };
-                    };
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.debug =
-                    exports.parseScalabilityMode =
-                    exports.detectDevice =
-                    exports.Device =
-                    exports.version =
-                    exports.types =
-                        void 0;
-                const debug_1 = __importDefault(require('debug'));
-                exports.debug = debug_1.default;
-                const Device_1 = require('./Device');
-                Object.defineProperty(exports, 'Device', {
-                    enumerable: true,
-                    get: function () {
-                        return Device_1.Device;
-                    },
-                });
-                Object.defineProperty(exports, 'detectDevice', {
-                    enumerable: true,
-                    get: function () {
-                        return Device_1.detectDevice;
-                    },
-                });
-                const types = __importStar(require('./types'));
-                exports.types = types;
-                /**
-                 * Expose mediasoup-client version.
-                 */
-                exports.version = '3.9.2';
-                /**
-                 * Expose parseScalabilityMode() function.
-                 */
-                var scalabilityModes_1 = require('./scalabilityModes');
-                Object.defineProperty(exports, 'parseScalabilityMode', {
-                    enumerable: true,
-                    get: function () {
-                        return scalabilityModes_1.parse;
-                    },
-                });
-            },
-            { './Device': 17, './scalabilityModes': 47, './types': 48, debug: 50 },
-        ],
-        46: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __setModuleDefault =
-                    (this && this.__setModuleDefault) ||
-                    (Object.create
-                        ? function (o, v) {
-                              Object.defineProperty(o, 'default', { enumerable: true, value: v });
-                          }
-                        : function (o, v) {
-                              o['default'] = v;
-                          });
-                var __importStar =
-                    (this && this.__importStar) ||
-                    (function () {
-                        var ownKeys = function (o) {
-                            ownKeys =
-                                Object.getOwnPropertyNames ||
-                                function (o) {
-                                    var ar = [];
-                                    for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
-                                    return ar;
-                                };
-                            return ownKeys(o);
-                        };
-                        return function (mod) {
-                            if (mod && mod.__esModule) return mod;
-                            var result = {};
-                            if (mod != null)
-                                for (var k = ownKeys(mod), i = 0; i < k.length; i++)
-                                    if (k[i] !== 'default') __createBinding(result, mod, k[i]);
-                            __setModuleDefault(result, mod);
-                            return result;
-                        };
-                    })();
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.validateRtpCapabilities = validateRtpCapabilities;
-                exports.validateRtpParameters = validateRtpParameters;
-                exports.validateSctpStreamParameters = validateSctpStreamParameters;
-                exports.validateSctpCapabilities = validateSctpCapabilities;
-                exports.getExtendedRtpCapabilities = getExtendedRtpCapabilities;
-                exports.getRecvRtpCapabilities = getRecvRtpCapabilities;
-                exports.getSendingRtpParameters = getSendingRtpParameters;
-                exports.getSendingRemoteRtpParameters = getSendingRemoteRtpParameters;
-                exports.reduceCodecs = reduceCodecs;
-                exports.generateProbatorRtpParameters = generateProbatorRtpParameters;
-                exports.canSend = canSend;
-                exports.canReceive = canReceive;
-                const h264 = __importStar(require('h264-profile-level-id'));
-                const utils = __importStar(require('./utils'));
-                const RTP_PROBATOR_MID = 'probator';
-                const RTP_PROBATOR_SSRC = 1234;
-                const RTP_PROBATOR_CODEC_PAYLOAD_TYPE = 127;
-                /**
-                 * Validates RtpCapabilities. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtpCapabilities(caps) {
-                    if (typeof caps !== 'object') {
-                        throw new TypeError('caps is not an object');
-                    }
-                    // codecs is optional. If unset, fill with an empty array.
-                    if (caps.codecs && !Array.isArray(caps.codecs)) {
-                        throw new TypeError('caps.codecs is not an array');
-                    } else if (!caps.codecs) {
-                        caps.codecs = [];
-                    }
-                    for (const codec of caps.codecs) {
-                        validateRtpCodecCapability(codec);
-                    }
-                    // headerExtensions is optional. If unset, fill with an empty array.
-                    if (caps.headerExtensions && !Array.isArray(caps.headerExtensions)) {
-                        throw new TypeError('caps.headerExtensions is not an array');
-                    } else if (!caps.headerExtensions) {
-                        caps.headerExtensions = [];
-                    }
-                    for (const ext of caps.headerExtensions) {
-                        validateRtpHeaderExtension(ext);
-                    }
-                }
-                /**
-                 * Validates RtpParameters. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtpParameters(params) {
-                    if (typeof params !== 'object') {
-                        throw new TypeError('params is not an object');
-                    }
-                    // mid is optional.
-                    if (params.mid && typeof params.mid !== 'string') {
-                        throw new TypeError('params.mid is not a string');
-                    }
-                    // codecs is mandatory.
-                    if (!Array.isArray(params.codecs)) {
-                        throw new TypeError('missing params.codecs');
-                    }
-                    for (const codec of params.codecs) {
-                        validateRtpCodecParameters(codec);
-                    }
-                    // headerExtensions is optional. If unset, fill with an empty array.
-                    if (params.headerExtensions && !Array.isArray(params.headerExtensions)) {
-                        throw new TypeError('params.headerExtensions is not an array');
-                    } else if (!params.headerExtensions) {
-                        params.headerExtensions = [];
-                    }
-                    for (const ext of params.headerExtensions) {
-                        validateRtpHeaderExtensionParameters(ext);
-                    }
-                    // encodings is optional. If unset, fill with an empty array.
-                    if (params.encodings && !Array.isArray(params.encodings)) {
-                        throw new TypeError('params.encodings is not an array');
-                    } else if (!params.encodings) {
-                        params.encodings = [];
-                    }
-                    for (const encoding of params.encodings) {
-                        validateRtpEncodingParameters(encoding);
-                    }
-                    // rtcp is optional. If unset, fill with an empty object.
-                    if (params.rtcp && typeof params.rtcp !== 'object') {
-                        throw new TypeError('params.rtcp is not an object');
-                    } else if (!params.rtcp) {
-                        params.rtcp = {};
-                    }
-                    validateRtcpParameters(params.rtcp);
-                }
-                /**
-                 * Validates SctpStreamParameters. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateSctpStreamParameters(params) {
-                    if (typeof params !== 'object') {
-                        throw new TypeError('params is not an object');
-                    }
-                    // streamId is mandatory.
-                    if (typeof params.streamId !== 'number') {
-                        throw new TypeError('missing params.streamId');
-                    }
-                    // ordered is optional.
-                    let orderedGiven = false;
-                    if (typeof params.ordered === 'boolean') {
-                        orderedGiven = true;
-                    } else {
-                        params.ordered = true;
-                    }
-                    // maxPacketLifeTime is optional.
-                    if (params.maxPacketLifeTime && typeof params.maxPacketLifeTime !== 'number') {
-                        throw new TypeError('invalid params.maxPacketLifeTime');
-                    }
-                    // maxRetransmits is optional.
-                    if (params.maxRetransmits && typeof params.maxRetransmits !== 'number') {
-                        throw new TypeError('invalid params.maxRetransmits');
-                    }
-                    if (params.maxPacketLifeTime && params.maxRetransmits) {
-                        throw new TypeError('cannot provide both maxPacketLifeTime and maxRetransmits');
-                    }
-                    if (orderedGiven && params.ordered && (params.maxPacketLifeTime || params.maxRetransmits)) {
-                        throw new TypeError('cannot be ordered with maxPacketLifeTime or maxRetransmits');
-                    } else if (!orderedGiven && (params.maxPacketLifeTime || params.maxRetransmits)) {
-                        params.ordered = false;
-                    }
-                    // label is optional.
-                    if (params.label && typeof params.label !== 'string') {
-                        throw new TypeError('invalid params.label');
-                    }
-                    // protocol is optional.
-                    if (params.protocol && typeof params.protocol !== 'string') {
-                        throw new TypeError('invalid params.protocol');
-                    }
-                }
-                /**
-                 * Validates SctpCapabilities. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateSctpCapabilities(caps) {
-                    if (typeof caps !== 'object') {
-                        throw new TypeError('caps is not an object');
-                    }
-                    // numStreams is mandatory.
-                    if (!caps.numStreams || typeof caps.numStreams !== 'object') {
-                        throw new TypeError('missing caps.numStreams');
-                    }
-                    validateNumSctpStreams(caps.numStreams);
-                }
-                /**
-                 * Generate extended RTP capabilities for sending and receiving.
-                 */
-                function getExtendedRtpCapabilities(localCaps, remoteCaps) {
-                    const extendedRtpCapabilities = {
-                        codecs: [],
-                        headerExtensions: [],
-                    };
-                    // Match media codecs and keep the order preferred by remoteCaps.
-                    for (const remoteCodec of remoteCaps.codecs ?? []) {
-                        if (isRtxCodec(remoteCodec)) {
-                            continue;
-                        }
-                        const matchingLocalCodec = (localCaps.codecs ?? []).find((localCodec) =>
-                            matchCodecs(localCodec, remoteCodec, { strict: true, modify: true }),
-                        );
-                        if (!matchingLocalCodec) {
-                            continue;
-                        }
-                        const extendedCodec = {
-                            mimeType: matchingLocalCodec.mimeType,
-                            kind: matchingLocalCodec.kind,
-                            clockRate: matchingLocalCodec.clockRate,
-                            channels: matchingLocalCodec.channels,
-                            localPayloadType: matchingLocalCodec.preferredPayloadType,
-                            localRtxPayloadType: undefined,
-                            remotePayloadType: remoteCodec.preferredPayloadType,
-                            remoteRtxPayloadType: undefined,
-                            localParameters: matchingLocalCodec.parameters,
-                            remoteParameters: remoteCodec.parameters,
-                            rtcpFeedback: reduceRtcpFeedback(matchingLocalCodec, remoteCodec),
-                        };
-                        extendedRtpCapabilities.codecs.push(extendedCodec);
-                    }
-                    // Match RTX codecs.
-                    for (const extendedCodec of extendedRtpCapabilities.codecs) {
-                        const matchingLocalRtxCodec = localCaps.codecs.find(
-                            (localCodec) =>
-                                isRtxCodec(localCodec) && localCodec.parameters.apt === extendedCodec.localPayloadType,
-                        );
-                        const matchingRemoteRtxCodec = remoteCaps.codecs.find(
-                            (remoteCodec) =>
-                                isRtxCodec(remoteCodec) &&
-                                remoteCodec.parameters.apt === extendedCodec.remotePayloadType,
-                        );
-                        if (matchingLocalRtxCodec && matchingRemoteRtxCodec) {
-                            extendedCodec.localRtxPayloadType = matchingLocalRtxCodec.preferredPayloadType;
-                            extendedCodec.remoteRtxPayloadType = matchingRemoteRtxCodec.preferredPayloadType;
-                        }
-                    }
-                    // Match header extensions.
-                    for (const remoteExt of remoteCaps.headerExtensions) {
-                        const matchingLocalExt = localCaps.headerExtensions.find((localExt) =>
-                            matchHeaderExtensions(localExt, remoteExt),
-                        );
-                        if (!matchingLocalExt) {
-                            continue;
-                        }
-                        const extendedExt = {
-                            kind: remoteExt.kind,
-                            uri: remoteExt.uri,
-                            sendId: matchingLocalExt.preferredId,
-                            recvId: remoteExt.preferredId,
-                            encrypt: matchingLocalExt.preferredEncrypt,
-                            direction: 'sendrecv',
-                        };
-                        switch (remoteExt.direction) {
-                            case 'sendrecv': {
-                                extendedExt.direction = 'sendrecv';
-                                break;
-                            }
-                            case 'recvonly': {
-                                extendedExt.direction = 'sendonly';
-                                break;
-                            }
-                            case 'sendonly': {
-                                extendedExt.direction = 'recvonly';
-                                break;
-                            }
-                            case 'inactive': {
-                                extendedExt.direction = 'inactive';
-                                break;
-                            }
-                        }
-                        extendedRtpCapabilities.headerExtensions.push(extendedExt);
-                    }
-                    return extendedRtpCapabilities;
-                }
-                /**
-                 * Generate RTP capabilities for receiving media based on the given extended
-                 * RTP capabilities.
-                 */
-                function getRecvRtpCapabilities(extendedRtpCapabilities) {
-                    const rtpCapabilities = {
-                        codecs: [],
-                        headerExtensions: [],
-                    };
-                    for (const extendedCodec of extendedRtpCapabilities.codecs) {
-                        const codec = {
-                            mimeType: extendedCodec.mimeType,
-                            kind: extendedCodec.kind,
-                            preferredPayloadType: extendedCodec.remotePayloadType,
-                            clockRate: extendedCodec.clockRate,
-                            channels: extendedCodec.channels,
-                            parameters: extendedCodec.localParameters,
-                            rtcpFeedback: extendedCodec.rtcpFeedback,
-                        };
-                        rtpCapabilities.codecs.push(codec);
-                        // Add RTX codec.
-                        if (!extendedCodec.remoteRtxPayloadType) {
-                            continue;
-                        }
-                        const rtxCodec = {
-                            mimeType: `${extendedCodec.kind}/rtx`,
-                            kind: extendedCodec.kind,
-                            preferredPayloadType: extendedCodec.remoteRtxPayloadType,
-                            clockRate: extendedCodec.clockRate,
-                            parameters: {
-                                apt: extendedCodec.remotePayloadType,
-                            },
-                            rtcpFeedback: [],
-                        };
-                        rtpCapabilities.codecs.push(rtxCodec);
-                        // TODO: In the future, we need to add FEC, CN, etc, codecs.
-                    }
-                    for (const extendedExtension of extendedRtpCapabilities.headerExtensions) {
-                        // Ignore RTP extensions not valid for receiving.
-                        if (extendedExtension.direction !== 'sendrecv' && extendedExtension.direction !== 'recvonly') {
-                            continue;
-                        }
-                        const ext = {
-                            kind: extendedExtension.kind,
-                            uri: extendedExtension.uri,
-                            preferredId: extendedExtension.recvId,
-                            preferredEncrypt: extendedExtension.encrypt,
-                            direction: extendedExtension.direction,
-                        };
-                        rtpCapabilities.headerExtensions.push(ext);
-                    }
-                    return rtpCapabilities;
-                }
-                /**
-                 * Generate RTP parameters of the given kind for sending media.
-                 * NOTE: mid, encodings and rtcp fields are left empty.
-                 */
-                function getSendingRtpParameters(kind, extendedRtpCapabilities) {
-                    const rtpParameters = {
-                        mid: undefined,
-                        codecs: [],
-                        headerExtensions: [],
-                        encodings: [],
-                        rtcp: {},
-                    };
-                    for (const extendedCodec of extendedRtpCapabilities.codecs) {
-                        if (extendedCodec.kind !== kind) {
-                            continue;
-                        }
-                        const codec = {
-                            mimeType: extendedCodec.mimeType,
-                            payloadType: extendedCodec.localPayloadType,
-                            clockRate: extendedCodec.clockRate,
-                            channels: extendedCodec.channels,
-                            parameters: extendedCodec.localParameters,
-                            rtcpFeedback: extendedCodec.rtcpFeedback,
-                        };
-                        rtpParameters.codecs.push(codec);
-                        // Add RTX codec.
-                        if (extendedCodec.localRtxPayloadType) {
-                            const rtxCodec = {
-                                mimeType: `${extendedCodec.kind}/rtx`,
-                                payloadType: extendedCodec.localRtxPayloadType,
-                                clockRate: extendedCodec.clockRate,
-                                parameters: {
-                                    apt: extendedCodec.localPayloadType,
-                                },
-                                rtcpFeedback: [],
-                            };
-                            rtpParameters.codecs.push(rtxCodec);
-                        }
-                    }
-                    for (const extendedExtension of extendedRtpCapabilities.headerExtensions) {
-                        // Ignore RTP extensions of a different kind and those not valid for sending.
-                        if (
-                            (extendedExtension.kind && extendedExtension.kind !== kind) ||
-                            (extendedExtension.direction !== 'sendrecv' && extendedExtension.direction !== 'sendonly')
-                        ) {
-                            continue;
-                        }
-                        const ext = {
-                            uri: extendedExtension.uri,
-                            id: extendedExtension.sendId,
-                            encrypt: extendedExtension.encrypt,
-                            parameters: {},
-                        };
-                        rtpParameters.headerExtensions.push(ext);
-                    }
-                    return rtpParameters;
-                }
-                /**
-                 * Generate RTP parameters of the given kind suitable for the remote SDP answer.
-                 */
-                function getSendingRemoteRtpParameters(kind, extendedRtpCapabilities) {
-                    const rtpParameters = {
-                        mid: undefined,
-                        codecs: [],
-                        headerExtensions: [],
-                        encodings: [],
-                        rtcp: {},
-                    };
-                    for (const extendedCodec of extendedRtpCapabilities.codecs) {
-                        if (extendedCodec.kind !== kind) {
-                            continue;
-                        }
-                        const codec = {
-                            mimeType: extendedCodec.mimeType,
-                            payloadType: extendedCodec.localPayloadType,
-                            clockRate: extendedCodec.clockRate,
-                            channels: extendedCodec.channels,
-                            parameters: extendedCodec.remoteParameters,
-                            rtcpFeedback: extendedCodec.rtcpFeedback,
-                        };
-                        rtpParameters.codecs.push(codec);
-                        // Add RTX codec.
-                        if (extendedCodec.localRtxPayloadType) {
-                            const rtxCodec = {
-                                mimeType: `${extendedCodec.kind}/rtx`,
-                                payloadType: extendedCodec.localRtxPayloadType,
-                                clockRate: extendedCodec.clockRate,
-                                parameters: {
-                                    apt: extendedCodec.localPayloadType,
-                                },
-                                rtcpFeedback: [],
-                            };
-                            rtpParameters.codecs.push(rtxCodec);
-                        }
-                    }
-                    for (const extendedExtension of extendedRtpCapabilities.headerExtensions) {
-                        // Ignore RTP extensions of a different kind and those not valid for sending.
-                        if (
-                            (extendedExtension.kind && extendedExtension.kind !== kind) ||
-                            (extendedExtension.direction !== 'sendrecv' && extendedExtension.direction !== 'sendonly')
-                        ) {
-                            continue;
-                        }
-                        const ext = {
-                            uri: extendedExtension.uri,
-                            id: extendedExtension.sendId,
-                            encrypt: extendedExtension.encrypt,
-                            parameters: {},
-                        };
-                        rtpParameters.headerExtensions.push(ext);
-                    }
-                    // Reduce codecs' RTCP feedback. Use Transport-CC if available, REMB otherwise.
-                    if (
-                        rtpParameters.headerExtensions.some(
-                            (ext) =>
-                                ext.uri === 'http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01',
-                        )
-                    ) {
-                        for (const codec of rtpParameters.codecs) {
-                            codec.rtcpFeedback = (codec.rtcpFeedback ?? []).filter((fb) => fb.type !== 'goog-remb');
-                        }
-                    } else if (
-                        rtpParameters.headerExtensions.some(
-                            (ext) => ext.uri === 'http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time',
-                        )
-                    ) {
-                        for (const codec of rtpParameters.codecs) {
-                            codec.rtcpFeedback = (codec.rtcpFeedback ?? []).filter((fb) => fb.type !== 'transport-cc');
-                        }
-                    } else {
-                        for (const codec of rtpParameters.codecs) {
-                            codec.rtcpFeedback = (codec.rtcpFeedback ?? []).filter(
-                                (fb) => fb.type !== 'transport-cc' && fb.type !== 'goog-remb',
-                            );
-                        }
-                    }
-                    return rtpParameters;
-                }
-                /**
-                 * Reduce given codecs by returning an array of codecs "compatible" with the
-                 * given capability codec. If no capability codec is given, take the first
-                 * one(s).
-                 *
-                 * Given codecs must be generated by ortc.getSendingRtpParameters() or
-                 * ortc.getSendingRemoteRtpParameters().
-                 *
-                 * The returned array of codecs also include a RTX codec if available.
-                 */
-                function reduceCodecs(codecs, capCodec) {
-                    const filteredCodecs = [];
-                    // If no capability codec is given, take the first one (and RTX).
-                    if (!capCodec) {
-                        filteredCodecs.push(codecs[0]);
-                        if (isRtxCodec(codecs[1])) {
-                            filteredCodecs.push(codecs[1]);
-                        }
-                    }
-                    // Otherwise look for a compatible set of codecs.
-                    else {
-                        for (let idx = 0; idx < codecs.length; ++idx) {
-                            if (matchCodecs(codecs[idx], capCodec, { strict: true })) {
-                                filteredCodecs.push(codecs[idx]);
-                                if (isRtxCodec(codecs[idx + 1])) {
-                                    filteredCodecs.push(codecs[idx + 1]);
-                                }
-                                break;
-                            }
-                        }
-                        if (filteredCodecs.length === 0) {
-                            throw new TypeError('no matching codec found');
-                        }
-                    }
-                    return filteredCodecs;
-                }
-                /**
-                 * Create RTP parameters for a Consumer for the RTP probator.
-                 */
-                function generateProbatorRtpParameters(videoRtpParameters) {
-                    // Clone given reference video RTP parameters.
-                    videoRtpParameters = utils.clone(videoRtpParameters);
-                    // This may throw.
-                    validateRtpParameters(videoRtpParameters);
-                    const rtpParameters = {
-                        mid: RTP_PROBATOR_MID,
-                        codecs: [],
-                        headerExtensions: [],
-                        encodings: [{ ssrc: RTP_PROBATOR_SSRC }],
-                        rtcp: { cname: 'probator' },
-                    };
-                    rtpParameters.codecs.push(videoRtpParameters.codecs[0]);
-                    rtpParameters.codecs[0].payloadType = RTP_PROBATOR_CODEC_PAYLOAD_TYPE;
-                    rtpParameters.headerExtensions = videoRtpParameters.headerExtensions;
-                    return rtpParameters;
-                }
-                /**
-                 * Whether media can be sent based on the given RTP capabilities.
-                 */
-                function canSend(kind, extendedRtpCapabilities) {
-                    return extendedRtpCapabilities.codecs.some((codec) => codec.kind === kind);
-                }
-                /**
-                 * Whether the given RTP parameters can be received with the given RTP
-                 * capabilities.
-                 */
-                function canReceive(rtpParameters, extendedRtpCapabilities) {
-                    // This may throw.
-                    validateRtpParameters(rtpParameters);
-                    if (rtpParameters.codecs.length === 0) {
-                        return false;
-                    }
-                    const firstMediaCodec = rtpParameters.codecs[0];
-                    return extendedRtpCapabilities.codecs.some(
-                        (codec) => codec.remotePayloadType === firstMediaCodec.payloadType,
-                    );
-                }
-                /**
-                 * Validates RtpCodecCapability. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtpCodecCapability(codec) {
-                    const MimeTypeRegex = new RegExp('^(audio|video)/(.+)', 'i');
-                    if (typeof codec !== 'object') {
-                        throw new TypeError('codec is not an object');
-                    }
-                    // mimeType is mandatory.
-                    if (!codec.mimeType || typeof codec.mimeType !== 'string') {
-                        throw new TypeError('missing codec.mimeType');
-                    }
-                    const mimeTypeMatch = MimeTypeRegex.exec(codec.mimeType);
-                    if (!mimeTypeMatch) {
-                        throw new TypeError('invalid codec.mimeType');
-                    }
-                    // Just override kind with media component of mimeType.
-                    codec.kind = mimeTypeMatch[1].toLowerCase();
-                    // preferredPayloadType is optional.
-                    if (codec.preferredPayloadType && typeof codec.preferredPayloadType !== 'number') {
-                        throw new TypeError('invalid codec.preferredPayloadType');
-                    }
-                    // clockRate is mandatory.
-                    if (typeof codec.clockRate !== 'number') {
-                        throw new TypeError('missing codec.clockRate');
-                    }
-                    // channels is optional. If unset, set it to 1 (just if audio).
-                    if (codec.kind === 'audio') {
-                        if (typeof codec.channels !== 'number') {
-                            codec.channels = 1;
-                        }
-                    } else {
-                        delete codec.channels;
-                    }
-                    // parameters is optional. If unset, set it to an empty object.
-                    if (!codec.parameters || typeof codec.parameters !== 'object') {
-                        codec.parameters = {};
-                    }
-                    for (const key of Object.keys(codec.parameters)) {
-                        let value = codec.parameters[key];
-                        if (value === undefined) {
-                            codec.parameters[key] = '';
-                            value = '';
-                        }
-                        if (typeof value !== 'string' && typeof value !== 'number') {
-                            throw new TypeError(`invalid codec parameter [key:${key}s, value:${value}]`);
-                        }
-                        // Specific parameters validation.
-                        if (key === 'apt') {
-                            if (typeof value !== 'number') {
-                                throw new TypeError('invalid codec apt parameter');
-                            }
-                        }
-                    }
-                    // rtcpFeedback is optional. If unset, set it to an empty array.
-                    if (!codec.rtcpFeedback || !Array.isArray(codec.rtcpFeedback)) {
-                        codec.rtcpFeedback = [];
-                    }
-                    for (const fb of codec.rtcpFeedback) {
-                        validateRtcpFeedback(fb);
-                    }
-                }
-                /**
-                 * Validates RtcpFeedback. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtcpFeedback(fb) {
-                    if (typeof fb !== 'object') {
-                        throw new TypeError('fb is not an object');
-                    }
-                    // type is mandatory.
-                    if (!fb.type || typeof fb.type !== 'string') {
-                        throw new TypeError('missing fb.type');
-                    }
-                    // parameter is optional. If unset set it to an empty string.
-                    if (!fb.parameter || typeof fb.parameter !== 'string') {
-                        fb.parameter = '';
-                    }
-                }
-                /**
-                 * Validates RtpHeaderExtension. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtpHeaderExtension(ext) {
-                    if (typeof ext !== 'object') {
-                        throw new TypeError('ext is not an object');
-                    }
-                    // kind is mandatory.
-                    if (ext.kind !== 'audio' && ext.kind !== 'video') {
-                        throw new TypeError('invalid ext.kind');
-                    }
-                    // uri is mandatory.
-                    if (!ext.uri || typeof ext.uri !== 'string') {
-                        throw new TypeError('missing ext.uri');
-                    }
-                    // preferredId is mandatory.
-                    if (typeof ext.preferredId !== 'number') {
-                        throw new TypeError('missing ext.preferredId');
-                    }
-                    // preferredEncrypt is optional. If unset set it to false.
-                    if (ext.preferredEncrypt && typeof ext.preferredEncrypt !== 'boolean') {
-                        throw new TypeError('invalid ext.preferredEncrypt');
-                    } else if (!ext.preferredEncrypt) {
-                        ext.preferredEncrypt = false;
-                    }
-                    // direction is optional. If unset set it to sendrecv.
-                    if (ext.direction && typeof ext.direction !== 'string') {
-                        throw new TypeError('invalid ext.direction');
-                    } else if (!ext.direction) {
-                        ext.direction = 'sendrecv';
-                    }
-                }
-                /**
-                 * Validates RtpCodecParameters. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtpCodecParameters(codec) {
-                    const MimeTypeRegex = new RegExp('^(audio|video)/(.+)', 'i');
-                    if (typeof codec !== 'object') {
-                        throw new TypeError('codec is not an object');
-                    }
-                    // mimeType is mandatory.
-                    if (!codec.mimeType || typeof codec.mimeType !== 'string') {
-                        throw new TypeError('missing codec.mimeType');
-                    }
-                    const mimeTypeMatch = MimeTypeRegex.exec(codec.mimeType);
-                    if (!mimeTypeMatch) {
-                        throw new TypeError('invalid codec.mimeType');
-                    }
-                    // payloadType is mandatory.
-                    if (typeof codec.payloadType !== 'number') {
-                        throw new TypeError('missing codec.payloadType');
-                    }
-                    // clockRate is mandatory.
-                    if (typeof codec.clockRate !== 'number') {
-                        throw new TypeError('missing codec.clockRate');
-                    }
-                    const kind = mimeTypeMatch[1].toLowerCase();
-                    // channels is optional. If unset, set it to 1 (just if audio).
-                    if (kind === 'audio') {
-                        if (typeof codec.channels !== 'number') {
-                            codec.channels = 1;
-                        }
-                    } else {
-                        delete codec.channels;
-                    }
-                    // parameters is optional. If unset, set it to an empty object.
-                    if (!codec.parameters || typeof codec.parameters !== 'object') {
-                        codec.parameters = {};
-                    }
-                    for (const key of Object.keys(codec.parameters)) {
-                        let value = codec.parameters[key];
-                        if (value === undefined) {
-                            codec.parameters[key] = '';
-                            value = '';
-                        }
-                        if (typeof value !== 'string' && typeof value !== 'number') {
-                            throw new TypeError(`invalid codec parameter [key:${key}s, value:${value}]`);
-                        }
-                        // Specific parameters validation.
-                        if (key === 'apt') {
-                            if (typeof value !== 'number') {
-                                throw new TypeError('invalid codec apt parameter');
-                            }
-                        }
-                    }
-                    // rtcpFeedback is optional. If unset, set it to an empty array.
-                    if (!codec.rtcpFeedback || !Array.isArray(codec.rtcpFeedback)) {
-                        codec.rtcpFeedback = [];
-                    }
-                    for (const fb of codec.rtcpFeedback) {
-                        validateRtcpFeedback(fb);
-                    }
-                }
-                /**
-                 * Validates RtpHeaderExtensionParameteters. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtpHeaderExtensionParameters(ext) {
-                    if (typeof ext !== 'object') {
-                        throw new TypeError('ext is not an object');
-                    }
-                    // uri is mandatory.
-                    if (!ext.uri || typeof ext.uri !== 'string') {
-                        throw new TypeError('missing ext.uri');
-                    }
-                    // id is mandatory.
-                    if (typeof ext.id !== 'number') {
-                        throw new TypeError('missing ext.id');
-                    }
-                    // encrypt is optional. If unset set it to false.
-                    if (ext.encrypt && typeof ext.encrypt !== 'boolean') {
-                        throw new TypeError('invalid ext.encrypt');
-                    } else if (!ext.encrypt) {
-                        ext.encrypt = false;
-                    }
-                    // parameters is optional. If unset, set it to an empty object.
-                    if (!ext.parameters || typeof ext.parameters !== 'object') {
-                        ext.parameters = {};
-                    }
-                    for (const key of Object.keys(ext.parameters)) {
-                        let value = ext.parameters[key];
-                        if (value === undefined) {
-                            ext.parameters[key] = '';
-                            value = '';
-                        }
-                        if (typeof value !== 'string' && typeof value !== 'number') {
-                            throw new TypeError('invalid header extension parameter');
-                        }
-                    }
-                }
-                /**
-                 * Validates RtpEncodingParameters. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtpEncodingParameters(encoding) {
-                    if (typeof encoding !== 'object') {
-                        throw new TypeError('encoding is not an object');
-                    }
-                    // ssrc is optional.
-                    if (encoding.ssrc && typeof encoding.ssrc !== 'number') {
-                        throw new TypeError('invalid encoding.ssrc');
-                    }
-                    // rid is optional.
-                    if (encoding.rid && typeof encoding.rid !== 'string') {
-                        throw new TypeError('invalid encoding.rid');
-                    }
-                    // rtx is optional.
-                    if (encoding.rtx && typeof encoding.rtx !== 'object') {
-                        throw new TypeError('invalid encoding.rtx');
-                    } else if (encoding.rtx) {
-                        // RTX ssrc is mandatory if rtx is present.
-                        if (typeof encoding.rtx.ssrc !== 'number') {
-                            throw new TypeError('missing encoding.rtx.ssrc');
-                        }
-                    }
-                    // dtx is optional. If unset set it to false.
-                    if (!encoding.dtx || typeof encoding.dtx !== 'boolean') {
-                        encoding.dtx = false;
-                    }
-                    // scalabilityMode is optional.
-                    if (encoding.scalabilityMode && typeof encoding.scalabilityMode !== 'string') {
-                        throw new TypeError('invalid encoding.scalabilityMode');
-                    }
-                }
-                /**
-                 * Validates RtcpParameters. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateRtcpParameters(rtcp) {
-                    if (typeof rtcp !== 'object') {
-                        throw new TypeError('rtcp is not an object');
-                    }
-                    // cname is optional.
-                    if (rtcp.cname && typeof rtcp.cname !== 'string') {
-                        throw new TypeError('invalid rtcp.cname');
-                    }
-                    // reducedSize is optional. If unset set it to true.
-                    if (!rtcp.reducedSize || typeof rtcp.reducedSize !== 'boolean') {
-                        rtcp.reducedSize = true;
-                    }
-                }
-                /**
-                 * Validates NumSctpStreams. It may modify given data by adding missing
-                 * fields with default values.
-                 * It throws if invalid.
-                 */
-                function validateNumSctpStreams(numStreams) {
-                    if (typeof numStreams !== 'object') {
-                        throw new TypeError('numStreams is not an object');
-                    }
-                    // OS is mandatory.
-                    if (typeof numStreams.OS !== 'number') {
-                        throw new TypeError('missing numStreams.OS');
-                    }
-                    // MIS is mandatory.
-                    if (typeof numStreams.MIS !== 'number') {
-                        throw new TypeError('missing numStreams.MIS');
-                    }
-                }
-                function isRtxCodec(codec) {
-                    if (!codec) {
-                        return false;
-                    }
-                    return /.+\/rtx$/i.test(codec.mimeType);
-                }
-                function matchCodecs(aCodec, bCodec, { strict = false, modify = false } = {}) {
-                    const aMimeType = aCodec.mimeType.toLowerCase();
-                    const bMimeType = bCodec.mimeType.toLowerCase();
-                    if (aMimeType !== bMimeType) {
-                        return false;
-                    }
-                    if (aCodec.clockRate !== bCodec.clockRate) {
-                        return false;
-                    }
-                    if (aCodec.channels !== bCodec.channels) {
-                        return false;
-                    }
-                    // Per codec special checks.
-                    switch (aMimeType) {
-                        case 'video/h264': {
-                            if (strict) {
-                                const aPacketizationMode = aCodec.parameters['packetization-mode'] ?? 0;
-                                const bPacketizationMode = bCodec.parameters['packetization-mode'] ?? 0;
-                                if (aPacketizationMode !== bPacketizationMode) {
-                                    return false;
-                                }
-                                if (!h264.isSameProfile(aCodec.parameters, bCodec.parameters)) {
-                                    return false;
-                                }
-                                let selectedProfileLevelId;
-                                try {
-                                    selectedProfileLevelId = h264.generateProfileLevelIdStringForAnswer(
-                                        aCodec.parameters,
-                                        bCodec.parameters,
-                                    );
-                                } catch (error) {
-                                    return false;
-                                }
-                                if (modify) {
-                                    if (selectedProfileLevelId) {
-                                        aCodec.parameters['profile-level-id'] = selectedProfileLevelId;
-                                        bCodec.parameters['profile-level-id'] = selectedProfileLevelId;
-                                    } else {
-                                        delete aCodec.parameters['profile-level-id'];
-                                        delete bCodec.parameters['profile-level-id'];
-                                    }
-                                }
-                            }
-                            break;
-                        }
-                        case 'video/vp9': {
-                            if (strict) {
-                                const aProfileId = aCodec.parameters['profile-id'] ?? 0;
-                                const bProfileId = bCodec.parameters['profile-id'] ?? 0;
-                                if (aProfileId !== bProfileId) {
-                                    return false;
-                                }
-                            }
-                            break;
-                        }
-                    }
-                    return true;
-                }
-                function matchHeaderExtensions(aExt, bExt) {
-                    if (aExt.kind && bExt.kind && aExt.kind !== bExt.kind) {
-                        return false;
-                    }
-                    if (aExt.uri !== bExt.uri) {
-                        return false;
-                    }
-                    return true;
-                }
-                function reduceRtcpFeedback(codecA, codecB) {
-                    const reducedRtcpFeedback = [];
-                    for (const aFb of codecA.rtcpFeedback ?? []) {
-                        const matchingBFb = (codecB.rtcpFeedback ?? []).find(
-                            (bFb) =>
-                                bFb.type === aFb.type &&
-                                (bFb.parameter === aFb.parameter || (!bFb.parameter && !aFb.parameter)),
-                        );
-                        if (matchingBFb) {
-                            reducedRtcpFeedback.push(matchingBFb);
-                        }
-                    }
-                    return reducedRtcpFeedback;
-                }
-            },
-            { './utils': 49, 'h264-profile-level-id': 10 },
-        ],
-        47: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.parse = parse;
-                const ScalabilityModeRegex = new RegExp('^[LS]([1-9]\\d{0,1})T([1-9]\\d{0,1})');
-                function parse(scalabilityMode) {
-                    const match = ScalabilityModeRegex.exec(scalabilityMode ?? '');
-                    if (match) {
-                        return {
-                            spatialLayers: Number(match[1]),
-                            temporalLayers: Number(match[2]),
-                        };
-                    } else {
-                        return {
-                            spatialLayers: 1,
-                            temporalLayers: 1,
-                        };
-                    }
-                }
-            },
-            {},
-        ],
-        48: [
-            function (require, module, exports) {
-                'use strict';
-                var __createBinding =
-                    (this && this.__createBinding) ||
-                    (Object.create
-                        ? function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              var desc = Object.getOwnPropertyDescriptor(m, k);
-                              if (!desc || ('get' in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-                                  desc = {
-                                      enumerable: true,
-                                      get: function () {
-                                          return m[k];
-                                      },
-                                  };
-                              }
-                              Object.defineProperty(o, k2, desc);
-                          }
-                        : function (o, m, k, k2) {
-                              if (k2 === undefined) k2 = k;
-                              o[k2] = m[k];
-                          });
-                var __exportStar =
-                    (this && this.__exportStar) ||
-                    function (m, exports) {
-                        for (var p in m)
-                            if (p !== 'default' && !Object.prototype.hasOwnProperty.call(exports, p))
-                                __createBinding(exports, m, p);
-                    };
-                Object.defineProperty(exports, '__esModule', { value: true });
-                __exportStar(require('./Device'), exports);
-                __exportStar(require('./Transport'), exports);
-                __exportStar(require('./Producer'), exports);
-                __exportStar(require('./Consumer'), exports);
-                __exportStar(require('./DataProducer'), exports);
-                __exportStar(require('./DataConsumer'), exports);
-                __exportStar(require('./RtpParameters'), exports);
-                __exportStar(require('./SctpParameters'), exports);
-                __exportStar(require('./handlers/HandlerInterface'), exports);
-                __exportStar(require('./errors'), exports);
-            },
-            {
-                './Consumer': 14,
-                './DataConsumer': 15,
-                './DataProducer': 16,
-                './Device': 17,
-                './Producer': 19,
-                './RtpParameters': 20,
-                './SctpParameters': 21,
-                './Transport': 22,
-                './errors': 24,
-                './handlers/HandlerInterface': 33,
-            },
-        ],
-        49: [
-            function (require, module, exports) {
-                'use strict';
-                Object.defineProperty(exports, '__esModule', { value: true });
-                exports.clone = clone;
-                exports.generateRandomNumber = generateRandomNumber;
-                exports.deepFreeze = deepFreeze;
-                /**
-                 * Clones the given value.
-                 */
-                function clone(value) {
-                    if (value === undefined) {
-                        return undefined;
-                    } else if (Number.isNaN(value)) {
-                        return NaN;
-                    } else if (typeof structuredClone === 'function') {
-                        // Available in Node >= 18.
-                        return structuredClone(value);
-                    } else {
-                        return JSON.parse(JSON.stringify(value));
-                    }
-                }
-                /**
-                 * Generates a random positive integer.
-                 */
-                function generateRandomNumber() {
-                    return Math.round(Math.random() * 10000000);
-                }
-                /**
-                 * Make an object or array recursively immutable.
-                 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze.
-                 */
-                function deepFreeze(object) {
-                    // Retrieve the property names defined on object.
-                    const propNames = Reflect.ownKeys(object);
-                    // Freeze properties before freezing self.
-                    for (const name of propNames) {
-                        const value = object[name];
-                        if ((value && typeof value === 'object') || typeof value === 'function') {
-                            deepFreeze(value);
-                        }
-                    }
-                    return Object.freeze(object);
-                }
-            },
-            {},
-        ],
-        50: [
-            function (require, module, exports) {
-                arguments[4][6][0].apply(exports, arguments);
-            },
-            { './common': 51, _process: 1, dup: 6 },
-        ],
-        51: [
-            function (require, module, exports) {
-                arguments[4][7][0].apply(exports, arguments);
-            },
-            { dup: 7, ms: 52 },
-        ],
-        52: [
-            function (require, module, exports) {
-                arguments[4][8][0].apply(exports, arguments);
-            },
-            { dup: 8 },
-        ],
-        53: [
-            function (require, module, exports) {
-                // Copyright Joyent, Inc. and other Node contributors.
-                //
-                // Permission is hereby granted, free of charge, to any person obtaining a
-                // copy of this software and associated documentation files (the
-                // "Software"), to deal in the Software without restriction, including
-                // without limitation the rights to use, copy, modify, merge, publish,
-                // distribute, sublicense, and/or sell copies of the Software, and to permit
-                // persons to whom the Software is furnished to do so, subject to the
-                // following conditions:
-                //
-                // The above copyright notice and this permission notice shall be included
-                // in all copies or substantial portions of the Software.
-                //
-                // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-                // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-                // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-                // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-                // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-                // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-                // USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-                'use strict';
-
-                var R = typeof Reflect === 'object' ? Reflect : null;
-                var ReflectApply =
-                    R && typeof R.apply === 'function'
-                        ? R.apply
-                        : function ReflectApply(target, receiver, args) {
-                              return Function.prototype.apply.call(target, receiver, args);
-                          };
-
-                var ReflectOwnKeys;
-                if (R && typeof R.ownKeys === 'function') {
-                    ReflectOwnKeys = R.ownKeys;
-                } else if (Object.getOwnPropertySymbols) {
-                    ReflectOwnKeys = function ReflectOwnKeys(target) {
-                        return Object.getOwnPropertyNames(target).concat(Object.getOwnPropertySymbols(target));
-                    };
-                } else {
-                    ReflectOwnKeys = function ReflectOwnKeys(target) {
-                        return Object.getOwnPropertyNames(target);
-                    };
-                }
-
-                function ProcessEmitWarning(warning) {
-                    if (console && console.warn) console.warn(warning);
-                }
-
-                var NumberIsNaN =
-                    Number.isNaN ||
-                    function NumberIsNaN(value) {
-                        return value !== value;
-                    };
-
-                function EventEmitter() {
-                    EventEmitter.init.call(this);
-                }
-                module.exports = EventEmitter;
-                module.exports.once = once;
-
-                // Backwards-compat with node 0.10.x
-                EventEmitter.EventEmitter = EventEmitter;
-
-                EventEmitter.prototype._events = undefined;
-                EventEmitter.prototype._eventsCount = 0;
-                EventEmitter.prototype._maxListeners = undefined;
-
-                // By default EventEmitters will print a warning if more than 10 listeners are
-                // added to it. This is a useful default which helps finding memory leaks.
-                var defaultMaxListeners = 10;
-
-                function checkListener(listener) {
-                    if (typeof listener !== 'function') {
-                        throw new TypeError(
-                            'The "listener" argument must be of type Function. Received type ' + typeof listener,
-                        );
-                    }
-                }
-
-                Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
-                    enumerable: true,
-                    get: function () {
-                        return defaultMaxListeners;
-                    },
-                    set: function (arg) {
-                        if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
-                            throw new RangeError(
-                                'The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' +
-                                    arg +
-                                    '.',
-                            );
-                        }
-                        defaultMaxListeners = arg;
-                    },
-                });
-
-                EventEmitter.init = function () {
-                    if (this._events === undefined || this._events === Object.getPrototypeOf(this)._events) {
-                        this._events = Object.create(null);
-                        this._eventsCount = 0;
-                    }
-
-                    this._maxListeners = this._maxListeners || undefined;
-                };
-
-                // Obviously not all Emitters should be limited to 10. This function allows
-                // that to be increased. Set to zero for unlimited.
-                EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
-                    if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
-                        throw new RangeError(
-                            'The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.',
-                        );
-                    }
-                    this._maxListeners = n;
-                    return this;
-                };
-
-                function _getMaxListeners(that) {
-                    if (that._maxListeners === undefined) return EventEmitter.defaultMaxListeners;
-                    return that._maxListeners;
-                }
-
-                EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
-                    return _getMaxListeners(this);
-                };
-
-                EventEmitter.prototype.emit = function emit(type) {
-                    var args = [];
-                    for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
-                    var doError = type === 'error';
-
-                    var events = this._events;
-                    if (events !== undefined) doError = doError && events.error === undefined;
-                    else if (!doError) return false;
-
-                    // If there is no 'error' event listener then throw.
-                    if (doError) {
-                        var er;
-                        if (args.length > 0) er = args[0];
-                        if (er instanceof Error) {
-                            // Note: The comments on the `throw` lines are intentional, they show
-                            // up in Node's output if this results in an unhandled exception.
-                            throw er; // Unhandled 'error' event
-                        }
-                        // At least give some kind of context to the user
-                        var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));
-                        err.context = er;
-                        throw err; // Unhandled 'error' event
-                    }
-
-                    var handler = events[type];
-
-                    if (handler === undefined) return false;
-
-                    if (typeof handler === 'function') {
-                        ReflectApply(handler, this, args);
-                    } else {
-                        var len = handler.length;
-                        var listeners = arrayClone(handler, len);
-                        for (var i = 0; i < len; ++i) ReflectApply(listeners[i], this, args);
-                    }
-
-                    return true;
-                };
-
-                function _addListener(target, type, listener, prepend) {
-                    var m;
-                    var events;
-                    var existing;
-
-                    checkListener(listener);
-
-                    events = target._events;
-                    if (events === undefined) {
-                        events = target._events = Object.create(null);
-                        target._eventsCount = 0;
-                    } else {
-                        // To avoid recursion in the case that type === "newListener"! Before
-                        // adding it to the listeners, first emit "newListener".
-                        if (events.newListener !== undefined) {
-                            target.emit('newListener', type, listener.listener ? listener.listener : listener);
-
-                            // Re-assign `events` because a newListener handler could have caused the
-                            // this._events to be assigned to a new object
-                            events = target._events;
-                        }
-                        existing = events[type];
-                    }
-
-                    if (existing === undefined) {
-                        // Optimize the case of one listener. Don't need the extra array object.
-                        existing = events[type] = listener;
-                        ++target._eventsCount;
-                    } else {
-                        if (typeof existing === 'function') {
-                            // Adding the second element, need to change to array.
-                            existing = events[type] = prepend ? [listener, existing] : [existing, listener];
-                            // If we've already got an array, just append.
-                        } else if (prepend) {
-                            existing.unshift(listener);
-                        } else {
-                            existing.push(listener);
-                        }
-
-                        // Check for listener leak
-                        m = _getMaxListeners(target);
-                        if (m > 0 && existing.length > m && !existing.warned) {
-                            existing.warned = true;
-                            // No error code for this since it is a Warning
-                            // eslint-disable-next-line no-restricted-syntax
-                            var w = new Error(
-                                'Possible EventEmitter memory leak detected. ' +
-                                    existing.length +
-                                    ' ' +
-                                    String(type) +
-                                    ' listeners ' +
-                                    'added. Use emitter.setMaxListeners() to ' +
-                                    'increase limit',
-                            );
-                            w.name = 'MaxListenersExceededWarning';
-                            w.emitter = target;
-                            w.type = type;
-                            w.count = existing.length;
-                            ProcessEmitWarning(w);
-                        }
-                    }
-
-                    return target;
-                }
-
-                EventEmitter.prototype.addListener = function addListener(type, listener) {
-                    return _addListener(this, type, listener, false);
-                };
-
-                EventEmitter.prototype.on = EventEmitter.prototype.addListener;
-
-                EventEmitter.prototype.prependListener = function prependListener(type, listener) {
-                    return _addListener(this, type, listener, true);
-                };
-
-                function onceWrapper() {
-                    if (!this.fired) {
-                        this.target.removeListener(this.type, this.wrapFn);
-                        this.fired = true;
-                        if (arguments.length === 0) return this.listener.call(this.target);
-                        return this.listener.apply(this.target, arguments);
-                    }
-                }
-
-                function _onceWrap(target, type, listener) {
-                    var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
-                    var wrapped = onceWrapper.bind(state);
-                    wrapped.listener = listener;
-                    state.wrapFn = wrapped;
-                    return wrapped;
-                }
-
-                EventEmitter.prototype.once = function once(type, listener) {
-                    checkListener(listener);
-                    this.on(type, _onceWrap(this, type, listener));
-                    return this;
-                };
-
-                EventEmitter.prototype.prependOnceListener = function prependOnceListener(type, listener) {
-                    checkListener(listener);
-                    this.prependListener(type, _onceWrap(this, type, listener));
-                    return this;
-                };
-
-                // Emits a 'removeListener' event if and only if the listener was removed.
-                EventEmitter.prototype.removeListener = function removeListener(type, listener) {
-                    var list, events, position, i, originalListener;
-
-                    checkListener(listener);
-
-                    events = this._events;
-                    if (events === undefined) return this;
-
-                    list = events[type];
-                    if (list === undefined) return this;
-
-                    if (list === listener || list.listener === listener) {
-                        if (--this._eventsCount === 0) this._events = Object.create(null);
-                        else {
-                            delete events[type];
-                            if (events.removeListener) this.emit('removeListener', type, list.listener || listener);
-                        }
-                    } else if (typeof list !== 'function') {
-                        position = -1;
-
-                        for (i = list.length - 1; i >= 0; i--) {
-                            if (list[i] === listener || list[i].listener === listener) {
-                                originalListener = list[i].listener;
-                                position = i;
-                                break;
-                            }
-                        }
-
-                        if (position < 0) return this;
-
-                        if (position === 0) list.shift();
-                        else {
-                            spliceOne(list, position);
-                        }
-
-                        if (list.length === 1) events[type] = list[0];
-
-                        if (events.removeListener !== undefined)
-                            this.emit('removeListener', type, originalListener || listener);
-                    }
-
-                    return this;
-                };
-
-                EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
-
-                EventEmitter.prototype.removeAllListeners = function removeAllListeners(type) {
-                    var listeners, events, i;
-
-                    events = this._events;
-                    if (events === undefined) return this;
-
-                    // not listening for removeListener, no need to emit
-                    if (events.removeListener === undefined) {
-                        if (arguments.length === 0) {
-                            this._events = Object.create(null);
-                            this._eventsCount = 0;
-                        } else if (events[type] !== undefined) {
-                            if (--this._eventsCount === 0) this._events = Object.create(null);
-                            else delete events[type];
-                        }
-                        return this;
-                    }
-
-                    // emit removeListener for all listeners on all events
-                    if (arguments.length === 0) {
-                        var keys = Object.keys(events);
-                        var key;
-                        for (i = 0; i < keys.length; ++i) {
-                            key = keys[i];
-                            if (key === 'removeListener') continue;
-                            this.removeAllListeners(key);
-                        }
-                        this.removeAllListeners('removeListener');
-                        this._events = Object.create(null);
-                        this._eventsCount = 0;
-                        return this;
-                    }
-
-                    listeners = events[type];
-
-                    if (typeof listeners === 'function') {
-                        this.removeListener(type, listeners);
-                    } else if (listeners !== undefined) {
-                        // LIFO order
-                        for (i = listeners.length - 1; i >= 0; i--) {
-                            this.removeListener(type, listeners[i]);
-                        }
-                    }
-
-                    return this;
-                };
-
-                function _listeners(target, type, unwrap) {
-                    var events = target._events;
-
-                    if (events === undefined) return [];
-
-                    var evlistener = events[type];
-                    if (evlistener === undefined) return [];
-
-                    if (typeof evlistener === 'function')
-                        return unwrap ? [evlistener.listener || evlistener] : [evlistener];
-
-                    return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
-                }
-
-                EventEmitter.prototype.listeners = function listeners(type) {
-                    return _listeners(this, type, true);
-                };
-
-                EventEmitter.prototype.rawListeners = function rawListeners(type) {
-                    return _listeners(this, type, false);
-                };
-
-                EventEmitter.listenerCount = function (emitter, type) {
-                    if (typeof emitter.listenerCount === 'function') {
-                        return emitter.listenerCount(type);
-                    } else {
-                        return listenerCount.call(emitter, type);
-                    }
-                };
-
-                EventEmitter.prototype.listenerCount = listenerCount;
-                function listenerCount(type) {
-                    var events = this._events;
-
-                    if (events !== undefined) {
-                        var evlistener = events[type];
-
-                        if (typeof evlistener === 'function') {
-                            return 1;
-                        } else if (evlistener !== undefined) {
-                            return evlistener.length;
-                        }
-                    }
-
-                    return 0;
-                }
-
-                EventEmitter.prototype.eventNames = function eventNames() {
-                    return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
-                };
-
-                function arrayClone(arr, n) {
-                    var copy = new Array(n);
-                    for (var i = 0; i < n; ++i) copy[i] = arr[i];
-                    return copy;
-                }
-
-                function spliceOne(list, index) {
-                    for (; index + 1 < list.length; index++) list[index] = list[index + 1];
-                    list.pop();
-                }
-
-                function unwrapListeners(arr) {
-                    var ret = new Array(arr.length);
-                    for (var i = 0; i < ret.length; ++i) {
-                        ret[i] = arr[i].listener || arr[i];
-                    }
-                    return ret;
-                }
-
-                function once(emitter, name) {
-                    return new Promise(function (resolve, reject) {
-                        function errorListener(err) {
-                            emitter.removeListener(name, resolver);
-                            reject(err);
-                        }
-
-                        function resolver() {
-                            if (typeof emitter.removeListener === 'function') {
-                                emitter.removeListener('error', errorListener);
-                            }
-                            resolve([].slice.call(arguments));
-                        }
-
-                        eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
-                        if (name !== 'error') {
-                            addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
-                        }
-                    });
-                }
-
-                function addErrorHandlerIfEventEmitter(emitter, handler, flags) {
-                    if (typeof emitter.on === 'function') {
-                        eventTargetAgnosticAddListener(emitter, 'error', handler, flags);
-                    }
-                }
-
-                function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
-                    if (typeof emitter.on === 'function') {
-                        if (flags.once) {
-                            emitter.once(name, listener);
-                        } else {
-                            emitter.on(name, listener);
-                        }
-                    } else if (typeof emitter.addEventListener === 'function') {
-                        // EventTarget does not have `error` event semantics like Node
-                        // EventEmitters, we do not listen for `error` events here.
-                        emitter.addEventListener(name, function wrapListener(arg) {
-                            // IE does not have builtin `{ once: true }` support so we
-                            // have to do it manually.
-                            if (flags.once) {
-                                emitter.removeEventListener(name, wrapListener);
-                            }
-                            listener(arg);
-                        });
-                    } else {
-                        throw new TypeError(
-                            'The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter,
-                        );
-                    }
-                }
-            },
-            {},
-        ],
-        54: [
-            function (require, module, exports) {
-                (function (global) {
-                    (function () {
-                        /*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
-                        let promise;
-
-                        module.exports =
-                            typeof queueMicrotask === 'function'
-                                ? queueMicrotask.bind(typeof window !== 'undefined' ? window : global)
-                                : // reuse resolved promise, and allocate it lazily
-                                  (cb) =>
-                                      (promise || (promise = Promise.resolve())).then(cb).catch((err) =>
-                                          setTimeout(() => {
-                                              throw err;
-                                          }, 0),
-                                      );
-                    }).call(this);
-                }).call(
-                    this,
-                    typeof global !== 'undefined'
-                        ? global
-                        : typeof self !== 'undefined'
-                          ? self
-                          : typeof window !== 'undefined'
-                            ? window
-                            : {},
-                );
-            },
-            {},
-        ],
-        55: [
-            function (require, module, exports) {
-                var grammar = (module.exports = {
-                    v: [
-                        {
-                            name: 'version',
-                            reg: /^(\d*)$/,
-                        },
-                    ],
-                    o: [
-                        {
-                            // o=- 20518 0 IN IP4 203.0.113.1
-                            // NB: sessionId will be a String in most cases because it is huge
-                            name: 'origin',
-                            reg: /^(\S*) (\d*) (\d*) (\S*) IP(\d) (\S*)/,
-                            names: ['username', 'sessionId', 'sessionVersion', 'netType', 'ipVer', 'address'],
-                            format: '%s %s %d %s IP%d %s',
-                        },
-                    ],
-                    // default parsing of these only (though some of these feel outdated)
-                    s: [{ name: 'name' }],
-                    i: [{ name: 'description' }],
-                    u: [{ name: 'uri' }],
-                    e: [{ name: 'email' }],
-                    p: [{ name: 'phone' }],
-                    z: [{ name: 'timezones' }], // TODO: this one can actually be parsed properly...
-                    r: [{ name: 'repeats' }], // TODO: this one can also be parsed properly
-                    // k: [{}], // outdated thing ignored
-                    t: [
-                        {
-                            // t=0 0
-                            name: 'timing',
-                            reg: /^(\d*) (\d*)/,
-                            names: ['start', 'stop'],
-                            format: '%d %d',
-                        },
-                    ],
-                    c: [
-                        {
-                            // c=IN IP4 10.47.197.26
-                            name: 'connection',
-                            reg: /^IN IP(\d) (\S*)/,
-                            names: ['version', 'ip'],
-                            format: 'IN IP%d %s',
-                        },
-                    ],
-                    b: [
-                        {
-                            // b=AS:4000
-                            push: 'bandwidth',
-                            reg: /^(TIAS|AS|CT|RR|RS):(\d*)/,
-                            names: ['type', 'limit'],
-                            format: '%s:%s',
-                        },
-                    ],
-                    m: [
-                        {
-                            // m=video 51744 RTP/AVP 126 97 98 34 31
-                            // NB: special - pushes to session
-                            // TODO: rtp/fmtp should be filtered by the payloads found here?
-                            reg: /^(\w*) (\d*) ([\w/]*)(?: (.*))?/,
-                            names: ['type', 'port', 'protocol', 'payloads'],
-                            format: '%s %d %s %s',
-                        },
-                    ],
-                    a: [
-                        {
-                            // a=rtpmap:110 opus/48000/2
-                            push: 'rtp',
-                            reg: /^rtpmap:(\d*) ([\w\-.]*)(?:\s*\/(\d*)(?:\s*\/(\S*))?)?/,
-                            names: ['payload', 'codec', 'rate', 'encoding'],
-                            format: function (o) {
-                                return o.encoding ? 'rtpmap:%d %s/%s/%s' : o.rate ? 'rtpmap:%d %s/%s' : 'rtpmap:%d %s';
-                            },
-                        },
-                        {
-                            // a=fmtp:108 profile-level-id=24;object=23;bitrate=64000
-                            // a=fmtp:111 minptime=10; useinbandfec=1
-                            push: 'fmtp',
-                            reg: /^fmtp:(\d*) ([\S| ]*)/,
-                            names: ['payload', 'config'],
-                            format: 'fmtp:%d %s',
-                        },
-                        {
-                            // a=control:streamid=0
-                            name: 'control',
-                            reg: /^control:(.*)/,
-                            format: 'control:%s',
-                        },
-                        {
-                            // a=rtcp:65179 IN IP4 193.84.77.194
-                            name: 'rtcp',
-                            reg: /^rtcp:(\d*)(?: (\S*) IP(\d) (\S*))?/,
-                            names: ['port', 'netType', 'ipVer', 'address'],
-                            format: function (o) {
-                                return o.address != null ? 'rtcp:%d %s IP%d %s' : 'rtcp:%d';
-                            },
-                        },
-                        {
-                            // a=rtcp-fb:98 trr-int 100
-                            push: 'rtcpFbTrrInt',
-                            reg: /^rtcp-fb:(\*|\d*) trr-int (\d*)/,
-                            names: ['payload', 'value'],
-                            format: 'rtcp-fb:%s trr-int %d',
-                        },
-                        {
-                            // a=rtcp-fb:98 nack rpsi
-                            push: 'rtcpFb',
-                            reg: /^rtcp-fb:(\*|\d*) ([\w-_]*)(?: ([\w-_]*))?/,
-                            names: ['payload', 'type', 'subtype'],
-                            format: function (o) {
-                                return o.subtype != null ? 'rtcp-fb:%s %s %s' : 'rtcp-fb:%s %s';
-                            },
-                        },
-                        {
-                            // a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
-                            // a=extmap:1/recvonly URI-gps-string
-                            // a=extmap:3 urn:ietf:params:rtp-hdrext:encrypt urn:ietf:params:rtp-hdrext:smpte-tc 25@600/24
-                            push: 'ext',
-                            reg: /^extmap:(\d+)(?:\/(\w+))?(?: (urn:ietf:params:rtp-hdrext:encrypt))? (\S*)(?: (\S*))?/,
-                            names: ['value', 'direction', 'encrypt-uri', 'uri', 'config'],
-                            format: function (o) {
-                                return (
-                                    'extmap:%d' +
-                                    (o.direction ? '/%s' : '%v') +
-                                    (o['encrypt-uri'] ? ' %s' : '%v') +
-                                    ' %s' +
-                                    (o.config ? ' %s' : '')
-                                );
-                            },
-                        },
-                        {
-                            // a=extmap-allow-mixed
-                            name: 'extmapAllowMixed',
-                            reg: /^(extmap-allow-mixed)/,
-                        },
-                        {
-                            // a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:PS1uQCVeeCFCanVmcjkpPywjNWhcYD0mXXtxaVBR|2^20|1:32
-                            push: 'crypto',
-                            reg: /^crypto:(\d*) ([\w_]*) (\S*)(?: (\S*))?/,
-                            names: ['id', 'suite', 'config', 'sessionConfig'],
-                            format: function (o) {
-                                return o.sessionConfig != null ? 'crypto:%d %s %s %s' : 'crypto:%d %s %s';
-                            },
-                        },
-                        {
-                            // a=setup:actpass
-                            name: 'setup',
-                            reg: /^setup:(\w*)/,
-                            format: 'setup:%s',
-                        },
-                        {
-                            // a=connection:new
-                            name: 'connectionType',
-                            reg: /^connection:(new|existing)/,
-                            format: 'connection:%s',
-                        },
-                        {
-                            // a=mid:1
-                            name: 'mid',
-                            reg: /^mid:([^\s]*)/,
-                            format: 'mid:%s',
-                        },
-                        {
-                            // a=msid:0c8b064d-d807-43b4-b434-f92a889d8587 98178685-d409-46e0-8e16-7ef0db0db64a
-                            name: 'msid',
-                            reg: /^msid:(.*)/,
-                            format: 'msid:%s',
-                        },
-                        {
-                            // a=ptime:20
-                            name: 'ptime',
-                            reg: /^ptime:(\d*(?:\.\d*)*)/,
-                            format: 'ptime:%d',
-                        },
-                        {
-                            // a=maxptime:60
-                            name: 'maxptime',
-                            reg: /^maxptime:(\d*(?:\.\d*)*)/,
-                            format: 'maxptime:%d',
-                        },
-                        {
-                            // a=sendrecv
-                            name: 'direction',
-                            reg: /^(sendrecv|recvonly|sendonly|inactive)/,
-                        },
-                        {
-                            // a=ice-lite
-                            name: 'icelite',
-                            reg: /^(ice-lite)/,
-                        },
-                        {
-                            // a=ice-ufrag:F7gI
-                            name: 'iceUfrag',
-                            reg: /^ice-ufrag:(\S*)/,
-                            format: 'ice-ufrag:%s',
-                        },
-                        {
-                            // a=ice-pwd:x9cml/YzichV2+XlhiMu8g
-                            name: 'icePwd',
-                            reg: /^ice-pwd:(\S*)/,
-                            format: 'ice-pwd:%s',
-                        },
-                        {
-                            // a=fingerprint:SHA-1 00:11:22:33:44:55:66:77:88:99:AA:BB:CC:DD:EE:FF:00:11:22:33
-                            name: 'fingerprint',
-                            reg: /^fingerprint:(\S*) (\S*)/,
-                            names: ['type', 'hash'],
-                            format: 'fingerprint:%s %s',
-                        },
-                        {
-                            // a=candidate:0 1 UDP 2113667327 203.0.113.1 54400 typ host
-                            // a=candidate:1162875081 1 udp 2113937151 192.168.34.75 60017 typ host generation 0 network-id 3 network-cost 10
-                            // a=candidate:3289912957 2 udp 1845501695 193.84.77.194 60017 typ srflx raddr 192.168.34.75 rport 60017 generation 0 network-id 3 network-cost 10
-                            // a=candidate:229815620 1 tcp 1518280447 192.168.150.19 60017 typ host tcptype active generation 0 network-id 3 network-cost 10
-                            // a=candidate:3289912957 2 tcp 1845501695 193.84.77.194 60017 typ srflx raddr 192.168.34.75 rport 60017 tcptype passive generation 0 network-id 3 network-cost 10
-                            push: 'candidates',
-                            reg: /^candidate:(\S*) (\d*) (\S*) (\d*) (\S*) (\d*) typ (\S*)(?: raddr (\S*) rport (\d*))?(?: tcptype (\S*))?(?: generation (\d*))?(?: network-id (\d*))?(?: network-cost (\d*))?/,
-                            names: [
-                                'foundation',
-                                'component',
-                                'transport',
-                                'priority',
-                                'ip',
-                                'port',
-                                'type',
-                                'raddr',
-                                'rport',
-                                'tcptype',
-                                'generation',
-                                'network-id',
-                                'network-cost',
-                            ],
-                            format: function (o) {
-                                var str = 'candidate:%s %d %s %d %s %d typ %s';
-
-                                str += o.raddr != null ? ' raddr %s rport %d' : '%v%v';
-
-                                // NB: candidate has three optional chunks, so %void middles one if it's missing
-                                str += o.tcptype != null ? ' tcptype %s' : '%v';
-
-                                if (o.generation != null) {
-                                    str += ' generation %d';
-                                }
-
-                                str += o['network-id'] != null ? ' network-id %d' : '%v';
-                                str += o['network-cost'] != null ? ' network-cost %d' : '%v';
-                                return str;
-                            },
-                        },
-                        {
-                            // a=end-of-candidates (keep after the candidates line for readability)
-                            name: 'endOfCandidates',
-                            reg: /^(end-of-candidates)/,
-                        },
-                        {
-                            // a=remote-candidates:1 203.0.113.1 54400 2 203.0.113.1 54401 ...
-                            name: 'remoteCandidates',
-                            reg: /^remote-candidates:(.*)/,
-                            format: 'remote-candidates:%s',
-                        },
-                        {
-                            // a=ice-options:google-ice
-                            name: 'iceOptions',
-                            reg: /^ice-options:(\S*)/,
-                            format: 'ice-options:%s',
-                        },
-                        {
-                            // a=ssrc:2566107569 cname:t9YU8M1UxTF8Y1A1
-                            push: 'ssrcs',
-                            reg: /^ssrc:(\d*) ([\w_-]*)(?::(.*))?/,
-                            names: ['id', 'attribute', 'value'],
-                            format: function (o) {
-                                var str = 'ssrc:%d';
-                                if (o.attribute != null) {
-                                    str += ' %s';
-                                    if (o.value != null) {
-                                        str += ':%s';
-                                    }
-                                }
-                                return str;
-                            },
-                        },
-                        {
-                            // a=ssrc-group:FEC 1 2
-                            // a=ssrc-group:FEC-FR 3004364195 1080772241
-                            push: 'ssrcGroups',
-                            // token-char = %x21 / %x23-27 / %x2A-2B / %x2D-2E / %x30-39 / %x41-5A / %x5E-7E
-                            reg: /^ssrc-group:([\x21\x23\x24\x25\x26\x27\x2A\x2B\x2D\x2E\w]*) (.*)/,
-                            names: ['semantics', 'ssrcs'],
-                            format: 'ssrc-group:%s %s',
-                        },
-                        {
-                            // a=msid-semantic: WMS Jvlam5X3SX1OP6pn20zWogvaKJz5Hjf9OnlV
-                            name: 'msidSemantic',
-                            reg: /^msid-semantic:\s?(\w*) (\S*)/,
-                            names: ['semantic', 'token'],
-                            format: 'msid-semantic: %s %s', // space after ':' is not accidental
-                        },
-                        {
-                            // a=group:BUNDLE audio video
-                            push: 'groups',
-                            reg: /^group:(\w*) (.*)/,
-                            names: ['type', 'mids'],
-                            format: 'group:%s %s',
-                        },
-                        {
-                            // a=rtcp-mux
-                            name: 'rtcpMux',
-                            reg: /^(rtcp-mux)/,
-                        },
-                        {
-                            // a=rtcp-rsize
-                            name: 'rtcpRsize',
-                            reg: /^(rtcp-rsize)/,
-                        },
-                        {
-                            // a=sctpmap:5000 webrtc-datachannel 1024
-                            name: 'sctpmap',
-                            reg: /^sctpmap:([\w_/]*) (\S*)(?: (\S*))?/,
-                            names: ['sctpmapNumber', 'app', 'maxMessageSize'],
-                            format: function (o) {
-                                return o.maxMessageSize != null ? 'sctpmap:%s %s %s' : 'sctpmap:%s %s';
-                            },
-                        },
-                        {
-                            // a=x-google-flag:conference
-                            name: 'xGoogleFlag',
-                            reg: /^x-google-flag:([^\s]*)/,
-                            format: 'x-google-flag:%s',
-                        },
-                        {
-                            // a=rid:1 send max-width=1280;max-height=720;max-fps=30;depend=0
-                            push: 'rids',
-                            reg: /^rid:([\d\w]+) (\w+)(?: ([\S| ]*))?/,
-                            names: ['id', 'direction', 'params'],
-                            format: function (o) {
-                                return o.params ? 'rid:%s %s %s' : 'rid:%s %s';
-                            },
-                        },
-                        {
-                            // a=imageattr:97 send [x=800,y=640,sar=1.1,q=0.6] [x=480,y=320] recv [x=330,y=250]
-                            // a=imageattr:* send [x=800,y=640] recv *
-                            // a=imageattr:100 recv [x=320,y=240]
-                            push: 'imageattrs',
-                            reg: new RegExp(
-                                // a=imageattr:97
-                                '^imageattr:(\\d+|\\*)' +
-                                    // send [x=800,y=640,sar=1.1,q=0.6] [x=480,y=320]
-                                    '[\\s\\t]+(send|recv)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*)' +
-                                    // recv [x=330,y=250]
-                                    '(?:[\\s\\t]+(recv|send)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*))?',
-                            ),
-                            names: ['pt', 'dir1', 'attrs1', 'dir2', 'attrs2'],
-                            format: function (o) {
-                                return 'imageattr:%s %s %s' + (o.dir2 ? ' %s %s' : '');
-                            },
-                        },
-                        {
-                            // a=simulcast:send 1,2,3;~4,~5 recv 6;~7,~8
-                            // a=simulcast:recv 1;4,5 send 6;7
-                            name: 'simulcast',
-                            reg: new RegExp(
-                                // a=simulcast:
-                                '^simulcast:' +
-                                    // send 1,2,3;~4,~5
-                                    '(send|recv) ([a-zA-Z0-9\\-_~;,]+)' +
-                                    // space + recv 6;~7,~8
-                                    '(?:\\s?(send|recv) ([a-zA-Z0-9\\-_~;,]+))?' +
-                                    // end
-                                    '$',
-                            ),
-                            names: ['dir1', 'list1', 'dir2', 'list2'],
-                            format: function (o) {
-                                return 'simulcast:%s %s' + (o.dir2 ? ' %s %s' : '');
-                            },
-                        },
-                        {
-                            // old simulcast draft 03 (implemented by Firefox)
-                            //   https://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-03
-                            // a=simulcast: recv pt=97;98 send pt=97
-                            // a=simulcast: send rid=5;6;7 paused=6,7
-                            name: 'simulcast_03',
-                            reg: /^simulcast:[\s\t]+([\S+\s\t]+)$/,
-                            names: ['value'],
-                            format: 'simulcast: %s',
-                        },
-                        {
-                            // a=framerate:25
-                            // a=framerate:29.97
-                            name: 'framerate',
-                            reg: /^framerate:(\d+(?:$|\.\d+))/,
-                            format: 'framerate:%s',
-                        },
-                        {
-                            // RFC4570
-                            // a=source-filter: incl IN IP4 239.5.2.31 10.1.15.5
-                            name: 'sourceFilter',
-                            reg: /^source-filter: *(excl|incl) (\S*) (IP4|IP6|\*) (\S*) (.*)/,
-                            names: ['filterMode', 'netType', 'addressTypes', 'destAddress', 'srcList'],
-                            format: 'source-filter: %s %s %s %s %s',
-                        },
-                        {
-                            // a=bundle-only
-                            name: 'bundleOnly',
-                            reg: /^(bundle-only)/,
-                        },
-                        {
-                            // a=label:1
-                            name: 'label',
-                            reg: /^label:(.+)/,
-                            format: 'label:%s',
-                        },
-                        {
-                            // RFC version 26 for SCTP over DTLS
-                            // https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26#section-5
-                            name: 'sctpPort',
-                            reg: /^sctp-port:(\d+)$/,
-                            format: 'sctp-port:%s',
-                        },
-                        {
-                            // RFC version 26 for SCTP over DTLS
-                            // https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26#section-6
-                            name: 'maxMessageSize',
-                            reg: /^max-message-size:(\d+)$/,
-                            format: 'max-message-size:%s',
-                        },
-                        {
-                            // RFC7273
-                            // a=ts-refclk:ptp=IEEE1588-2008:39-A7-94-FF-FE-07-CB-D0:37
-                            push: 'tsRefClocks',
-                            reg: /^ts-refclk:([^\s=]*)(?:=(\S*))?/,
-                            names: ['clksrc', 'clksrcExt'],
-                            format: function (o) {
-                                return 'ts-refclk:%s' + (o.clksrcExt != null ? '=%s' : '');
-                            },
-                        },
-                        {
-                            // RFC7273
-                            // a=mediaclk:direct=963214424
-                            name: 'mediaClk',
-                            reg: /^mediaclk:(?:id=(\S*))? *([^\s=]*)(?:=(\S*))?(?: *rate=(\d+)\/(\d+))?/,
-                            names: ['id', 'mediaClockName', 'mediaClockValue', 'rateNumerator', 'rateDenominator'],
-                            format: function (o) {
-                                var str = 'mediaclk:';
-                                str += o.id != null ? 'id=%s %s' : '%v%s';
-                                str += o.mediaClockValue != null ? '=%s' : '';
-                                str += o.rateNumerator != null ? ' rate=%s' : '';
-                                str += o.rateDenominator != null ? '/%s' : '';
-                                return str;
-                            },
-                        },
-                        {
-                            // a=keywds:keywords
-                            name: 'keywords',
-                            reg: /^keywds:(.+)$/,
-                            format: 'keywds:%s',
-                        },
-                        {
-                            // a=content:main
-                            name: 'content',
-                            reg: /^content:(.+)/,
-                            format: 'content:%s',
-                        },
-                        // BFCP https://tools.ietf.org/html/rfc4583
-                        {
-                            // a=floorctrl:c-s
-                            name: 'bfcpFloorCtrl',
-                            reg: /^floorctrl:(c-only|s-only|c-s)/,
-                            format: 'floorctrl:%s',
-                        },
-                        {
-                            // a=confid:1
-                            name: 'bfcpConfId',
-                            reg: /^confid:(\d+)/,
-                            format: 'confid:%s',
-                        },
-                        {
-                            // a=userid:1
-                            name: 'bfcpUserId',
-                            reg: /^userid:(\d+)/,
-                            format: 'userid:%s',
-                        },
-                        {
-                            // a=floorid:1
-                            name: 'bfcpFloorId',
-                            reg: /^floorid:(.+) (?:m-stream|mstrm):(.+)/,
-                            names: ['id', 'mStream'],
-                            format: 'floorid:%s mstrm:%s',
-                        },
-                        {
-                            // any a= that we don't understand is kept verbatim on media.invalid
-                            push: 'invalid',
-                            names: ['value'],
-                        },
-                    ],
-                });
-
-                // set sensible defaults to avoid polluting the grammar with boring details
-                Object.keys(grammar).forEach(function (key) {
-                    var objs = grammar[key];
-                    objs.forEach(function (obj) {
-                        if (!obj.reg) {
-                            obj.reg = /(.*)/;
-                        }
-                        if (!obj.format) {
-                            obj.format = '%s';
-                        }
-                    });
-                });
-            },
-            {},
-        ],
-        56: [
-            function (require, module, exports) {
-                var parser = require('./parser');
-                var writer = require('./writer');
-                var grammar = require('./grammar');
-
-                exports.grammar = grammar;
-                exports.write = writer;
-                exports.parse = parser.parse;
-                exports.parseParams = parser.parseParams;
-                exports.parseFmtpConfig = parser.parseFmtpConfig; // Alias of parseParams().
-                exports.parsePayloads = parser.parsePayloads;
-                exports.parseRemoteCandidates = parser.parseRemoteCandidates;
-                exports.parseImageAttributes = parser.parseImageAttributes;
-                exports.parseSimulcastStreamList = parser.parseSimulcastStreamList;
-            },
-            { './grammar': 55, './parser': 57, './writer': 58 },
-        ],
-        57: [
-            function (require, module, exports) {
-                var toIntIfInt = function (v) {
-                    return String(Number(v)) === v ? Number(v) : v;
-                };
-
-                var attachProperties = function (match, location, names, rawName) {
-                    if (rawName && !names) {
-                        location[rawName] = toIntIfInt(match[1]);
-                    } else {
-                        for (var i = 0; i < names.length; i += 1) {
-                            if (match[i + 1] != null) {
-                                location[names[i]] = toIntIfInt(match[i + 1]);
-                            }
-                        }
-                    }
-                };
-
-                var parseReg = function (obj, location, content) {
-                    var needsBlank = obj.name && obj.names;
-                    if (obj.push && !location[obj.push]) {
-                        location[obj.push] = [];
-                    } else if (needsBlank && !location[obj.name]) {
-                        location[obj.name] = {};
-                    }
-                    var keyLocation = obj.push
-                        ? {} // blank object that will be pushed
-                        : needsBlank
-                          ? location[obj.name]
-                          : location; // otherwise, named location or root
-
-                    attachProperties(content.match(obj.reg), keyLocation, obj.names, obj.name);
-
-                    if (obj.push) {
-                        location[obj.push].push(keyLocation);
-                    }
-                };
-
-                var grammar = require('./grammar');
-                var validLine = RegExp.prototype.test.bind(/^([a-z])=(.*)/);
-
-                exports.parse = function (sdp) {
-                    var session = {},
-                        media = [],
-                        location = session; // points at where properties go under (one of the above)
-
-                    // parse lines we understand
-                    sdp.split(/(\r\n|\r|\n)/)
-                        .filter(validLine)
-                        .forEach(function (l) {
-                            var type = l[0];
-                            var content = l.slice(2);
-                            if (type === 'm') {
-                                media.push({ rtp: [], fmtp: [] });
-                                location = media[media.length - 1]; // point at latest media line
-                            }
-
-                            for (var j = 0; j < (grammar[type] || []).length; j += 1) {
-                                var obj = grammar[type][j];
-                                if (obj.reg.test(content)) {
-                                    return parseReg(obj, location, content);
-                                }
-                            }
-                        });
-
-                    session.media = media; // link it up
-                    return session;
-                };
-
-                var paramReducer = function (acc, expr) {
-                    var s = expr.split(/=(.+)/, 2);
-                    if (s.length === 2) {
-                        acc[s[0]] = toIntIfInt(s[1]);
-                    } else if (s.length === 1 && expr.length > 1) {
-                        acc[s[0]] = undefined;
-                    }
-                    return acc;
-                };
-
-                exports.parseParams = function (str) {
-                    return str.split(/;\s?/).reduce(paramReducer, {});
-                };
-
-                // For backward compatibility - alias will be removed in 3.0.0
-                exports.parseFmtpConfig = exports.parseParams;
-
-                exports.parsePayloads = function (str) {
-                    return str.toString().split(' ').map(Number);
-                };
-
-                exports.parseRemoteCandidates = function (str) {
-                    var candidates = [];
-                    var parts = str.split(' ').map(toIntIfInt);
-                    for (var i = 0; i < parts.length; i += 3) {
-                        candidates.push({
-                            component: parts[i],
-                            ip: parts[i + 1],
-                            port: parts[i + 2],
-                        });
-                    }
-                    return candidates;
-                };
-
-                exports.parseImageAttributes = function (str) {
-                    return str.split(' ').map(function (item) {
-                        return item
-                            .substring(1, item.length - 1)
-                            .split(',')
-                            .reduce(paramReducer, {});
-                    });
-                };
-
-                exports.parseSimulcastStreamList = function (str) {
-                    return str.split(';').map(function (stream) {
-                        return stream.split(',').map(function (format) {
-                            var scid,
-                                paused = false;
-
-                            if (format[0] !== '~') {
-                                scid = toIntIfInt(format);
-                            } else {
-                                scid = toIntIfInt(format.substring(1, format.length));
-                                paused = true;
-                            }
-
-                            return {
-                                scid: scid,
-                                paused: paused,
-                            };
-                        });
-                    });
-                };
-            },
-            { './grammar': 55 },
-        ],
-        58: [
-            function (require, module, exports) {
-                var grammar = require('./grammar');
-
-                // customized util.format - discards excess arguments and can void middle ones
-                var formatRegExp = /%[sdv%]/g;
-                var format = function (formatStr) {
-                    var i = 1;
-                    var args = arguments;
-                    var len = args.length;
-                    return formatStr.replace(formatRegExp, function (x) {
-                        if (i >= len) {
-                            return x; // missing argument
-                        }
-                        var arg = args[i];
-                        i += 1;
-                        switch (x) {
-                            case '%%':
-                                return '%';
-                            case '%s':
-                                return String(arg);
-                            case '%d':
-                                return Number(arg);
-                            case '%v':
-                                return '';
-                        }
-                    });
-                    // NB: we discard excess arguments - they are typically undefined from makeLine
-                };
-
-                var makeLine = function (type, obj, location) {
-                    var str =
-                        obj.format instanceof Function
-                            ? obj.format(obj.push ? location : location[obj.name])
-                            : obj.format;
-
-                    var args = [type + '=' + str];
-                    if (obj.names) {
-                        for (var i = 0; i < obj.names.length; i += 1) {
-                            var n = obj.names[i];
-                            if (obj.name) {
-                                args.push(location[obj.name][n]);
-                            } else {
-                                // for mLine and push attributes
-                                args.push(location[obj.names[i]]);
-                            }
-                        }
-                    } else {
-                        args.push(location[obj.name]);
-                    }
-                    return format.apply(null, args);
-                };
-
-                // RFC specified order
-                // TODO: extend this with all the rest
-                var defaultOuterOrder = ['v', 'o', 's', 'i', 'u', 'e', 'p', 'c', 'b', 't', 'r', 'z', 'a'];
-                var defaultInnerOrder = ['i', 'c', 'b', 'a'];
-
-                module.exports = function (session, opts) {
-                    opts = opts || {};
-                    // ensure certain properties exist
-                    if (session.version == null) {
-                        session.version = 0; // 'v=0' must be there (only defined version atm)
-                    }
-                    if (session.name == null) {
-                        session.name = ' '; // 's= ' must be there if no meaningful name set
-                    }
-                    session.media.forEach(function (mLine) {
-                        if (mLine.payloads == null) {
-                            mLine.payloads = '';
-                        }
-                    });
-
-                    var outerOrder = opts.outerOrder || defaultOuterOrder;
-                    var innerOrder = opts.innerOrder || defaultInnerOrder;
-                    var sdp = [];
-
-                    // loop through outerOrder for matching properties on session
-                    outerOrder.forEach(function (type) {
-                        grammar[type].forEach(function (obj) {
-                            if (obj.name in session && session[obj.name] != null) {
-                                sdp.push(makeLine(type, obj, session));
-                            } else if (obj.push in session && session[obj.push] != null) {
-                                session[obj.push].forEach(function (el) {
-                                    sdp.push(makeLine(type, obj, el));
-                                });
-                            }
-                        });
-                    });
-
-                    // then for each media line, follow the innerOrder
-                    session.media.forEach(function (mLine) {
-                        sdp.push(makeLine('m', grammar.m[0], mLine));
-
-                        innerOrder.forEach(function (type) {
-                            grammar[type].forEach(function (obj) {
-                                if (obj.name in mLine && mLine[obj.name] != null) {
-                                    sdp.push(makeLine(type, obj, mLine));
-                                } else if (obj.push in mLine && mLine[obj.push] != null) {
-                                    mLine[obj.push].forEach(function (el) {
-                                        sdp.push(makeLine(type, obj, el));
-                                    });
-                                }
-                            });
-                        });
-                    });
-
-                    return sdp.join('\r\n') + '\r\n';
-                };
-            },
-            { './grammar': 55 },
-        ],
-        59: [
-            function (require, module, exports) {
-                /* UAParser.js v2.0.2
-   Copyright © 2012-2024 Faisal Salman <f@faisalman.com>
-   AGPLv3 License */
-                ((i, l) => {
-                    function I(i) {
-                        for (var e = {}, t = 0; t < i.length; t++) e[i[t].toUpperCase()] = i[t];
-                        return e;
-                    }
-                    var M = 500,
-                        U = 'user-agent',
-                        w = '',
-                        R = '?',
-                        V = 'function',
-                        n = 'undefined',
-                        c = 'object',
-                        L = 'string',
-                        u = 'browser',
-                        h = 'cpu',
-                        p = 'device',
-                        m = 'engine',
-                        f = 'os',
-                        g = 'result',
-                        v = 'name',
-                        k = 'type',
-                        x = 'vendor',
-                        y = 'version',
-                        C = 'architecture',
-                        B = 'major',
-                        T = 'model',
-                        G = 'console',
-                        S = 'mobile',
-                        r = 'tablet',
-                        e = 'smarttv',
-                        t = 'wearable',
-                        F = 'xr',
-                        D = 'embedded',
-                        $ = 'inapp',
-                        W = 'brands',
-                        _ = 'formFactors',
-                        X = 'fullVersionList',
-                        q = 'platform',
-                        K = 'platformVersion',
-                        Q = 'bitness',
-                        o = 'sec-ch-ua',
-                        Z = o + '-full-version-list',
-                        Y = o + '-arch',
-                        J = o + '-' + Q,
-                        ii = o + '-form-factors',
-                        ei = o + '-' + S,
-                        ti = o + '-' + T,
-                        oi = o + '-' + q,
-                        ri = oi + '-version',
-                        ai = [W, X, S, T, q, K, C, _, Q],
-                        si = 'Amazon',
-                        a = 'Apple',
-                        ni = 'ASUS',
-                        wi = 'BlackBerry',
-                        s = 'Google',
-                        bi = 'Huawei',
-                        di = 'Microsoft',
-                        li = 'Motorola',
-                        ci = 'Nvidia',
-                        ui = 'OnePlus',
-                        hi = 'OPPO',
-                        pi = 'Samsung',
-                        mi = 'Sony',
-                        fi = 'Xiaomi',
-                        gi = 'Zebra',
-                        vi = 'Chromium',
-                        b = 'Chromecast',
-                        ki = 'Firefox',
-                        d = 'Opera',
-                        xi = 'Facebook',
-                        z = 'Mobile ',
-                        yi = ' Browser',
-                        Ci = 'Windows',
-                        Ti = typeof i !== n,
-                        A = Ti && i.navigator ? i.navigator : l,
-                        O = A && A.userAgentData ? A.userAgentData : l,
-                        Si = function (i, e) {
-                            if (typeof i === c && 0 < i.length) {
-                                for (var t in i) if (j(i[t]) == j(e)) return !0;
-                                return !1;
-                            }
-                            return !!H(i) && -1 !== j(e).indexOf(j(i));
-                        },
-                        _i = function (i, e) {
-                            for (var t in i) return /^(browser|cpu|device|engine|os)$/.test(t) || (!!e && _i(i[t]));
-                        },
-                        H = function (i) {
-                            return typeof i === L;
-                        },
-                        qi = function (i) {
-                            if (!i) return l;
-                            for (var e, t = [], o = Ai(/\\?\"/g, i).split(','), r = 0; r < o.length; r++)
-                                -1 < o[r].indexOf(';')
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-                            mobile: 'Mobile',
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-                                [/edg(?:e|ios|a)?\/([\w\.]+)/i],
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-                                [v, y],
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-                                [y, [v, d + ' Mini']],
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-                                [y, [v, d + ' GX']],
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-                                [y, [v, d]],
-                                [/\bb[ai]*d(?:uhd|[ub]*[aekoprswx]{5,6})[\/ ]?([\w\.]+)/i],
-                                [y, [v, 'Baidu']],
-                                [/\b(?:mxbrowser|mxios|myie2)\/?([-\w\.]*)\b/i],
-                                [y, [v, 'Maxthon']],
-                                [
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-                                    /(lunascape|maxthon|netfront|jasmine|blazer|sleipnir)[\/ ]?([\w\.]*)/i,
-                                    /(avant|iemobile|slim(?:browser|boat|jet))[\/ ]?([\d\.]*)/i,
-                                    /(?:ms|\()(ie) ([\w\.]+)/i,
-                                    /(flock|rockmelt|midori|epiphany|silk|skyfire|ovibrowser|bolt|iron|vivaldi|iridium|phantomjs|bowser|qupzilla|falkon|rekonq|puffin|brave|whale(?!.+naver)|qqbrowserlite|duckduckgo|klar|helio|(?=comodo_)?dragon)\/([-\w\.]+)/i,
-                                    /(heytap|ovi|115)browser\/([\d\.]+)/i,
-                                    /(weibo)__([\d\.]+)/i,
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-                                [v, y],
-                                [/quark(?:pc)?\/([-\w\.]+)/i],
-                                [y, [v, 'Quark']],
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-                                [y, [v, 'DuckDuckGo']],
-                                [/(?:\buc? ?browser|(?:juc.+)ucweb)[\/ ]?([\w\.]+)/i],
-                                [y, [v, 'UCBrowser']],
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-                                [y, [v, 'WeChat']],
-                                [/konqueror\/([\w\.]+)/i],
-                                [y, [v, 'Konqueror']],
-                                [/trident.+rv[: ]([\w\.]{1,9})\b.+like gecko/i],
-                                [y, [v, 'IE']],
-                                [/ya(?:search)?browser\/([\w\.]+)/i],
-                                [y, [v, 'Yandex']],
-                                [/slbrowser\/([\w\.]+)/i],
-                                [y, [v, 'Smart Lenovo' + yi]],
-                                [/(avast|avg)\/([\w\.]+)/i],
-                                [[v, /(.+)/, '$1 Secure' + yi], y],
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-                                [y, [v, ki + ' Focus']],
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-                                [y, [v, d + ' Touch']],
-                                [/coc_coc\w+\/([\w\.]+)/i],
-                                [y, [v, 'Coc Coc']],
-                                [/dolfin\/([\w\.]+)/i],
-                                [y, [v, 'Dolphin']],
-                                [/coast\/([\w\.]+)/i],
-                                [y, [v, d + ' Coast']],
-                                [/miuibrowser\/([\w\.]+)/i],
-                                [y, [v, 'MIUI' + yi]],
-                                [/fxios\/([\w\.-]+)/i],
-                                [y, [v, z + ki]],
-                                [/\bqihoobrowser\/?([\w\.]*)/i],
-                                [y, [v, '360']],
-                                [/\b(qq)\/([\w\.]+)/i],
-                                [[v, /(.+)/, '$1Browser'], y],
-                                [/(oculus|sailfish|huawei|vivo|pico)browser\/([\w\.]+)/i],
-                                [[v, /(.+)/, '$1' + yi], y],
-                                [/samsungbrowser\/([\w\.]+)/i],
-                                [y, [v, pi + ' Internet']],
-                                [/metasr[\/ ]?([\d\.]+)/i],
-                                [y, [v, 'Sogou Explorer']],
-                                [/(sogou)mo\w+\/([\d\.]+)/i],
-                                [[v, 'Sogou Mobile'], y],
-                                [
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-                                    /(tesla)(?: qtcarbrowser|\/(20\d\d\.[-\w\.]+))/i,
-                                    /m?(qqbrowser|2345(?=browser|chrome|explorer))\w*[\/ ]?v?([\w\.]+)/i,
-                                ],
-                                [v, y],
-                                [/(lbbrowser|rekonq)/i],
-                                [v],
-                                [/ome\/([\w\.]+) \w* ?(iron) saf/i, /ome\/([\w\.]+).+qihu (360)[es]e/i],
-                                [y, v],
-                                [/((?:fban\/fbios|fb_iab\/fb4a)(?!.+fbav)|;fbav\/([\w\.]+);)/i],
-                                [[v, xi], y, [k, $]],
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-                                    /(kakao(?:talk|story))[\/ ]([\w\.]+)/i,
-                                    /(naver)\(.*?(\d+\.[\w\.]+).*\)/i,
-                                    /(daum)apps[\/ ]([\w\.]+)/i,
-                                    /safari (line)\/([\w\.]+)/i,
-                                    /\b(line)\/([\w\.]+)\/iab/i,
-                                    /(alipay)client\/([\w\.]+)/i,
-                                    /(twitter)(?:and| f.+e\/([\w\.]+))/i,
-                                    /(instagram|snapchat)[\/ ]([-\w\.]+)/i,
-                                ],
-                                [v, y, [k, $]],
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-                                [y, [v, 'GSA'], [k, $]],
-                                [/musical_ly(?:.+app_?version\/|_)([\w\.]+)/i],
-                                [y, [v, 'TikTok'], [k, $]],
-                                [/\[(linkedin)app\]/i],
-                                [v, [k, $]],
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-                                [v, y],
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-                                [y, [v, 'Chrome Headless']],
-                                [/ wv\).+(chrome)\/([\w\.]+)/i],
-                                [[v, 'Chrome WebView'], y],
-                                [/droid.+ version\/([\w\.]+)\b.+(?:mobile safari|safari)/i],
-                                [y, [v, 'Android' + yi]],
-                                [/chrome\/([\w\.]+) mobile/i],
-                                [y, [v, z + 'Chrome']],
-                                [/(chrome|omniweb|arora|[tizenoka]{5} ?browser)\/v?([\w\.]+)/i],
-                                [v, y],
-                                [/version\/([\w\.\,]+) .*mobile(?:\/\w+ | ?)safari/i],
-                                [y, [v, z + 'Safari']],
-                                [/iphone .*mobile(?:\/\w+ | ?)safari/i],
-                                [[v, z + 'Safari']],
-                                [/version\/([\w\.\,]+) .*(safari)/i],
-                                [y, v],
-                                [/webkit.+?(mobile ?safari|safari)(\/[\w\.]+)/i],
-                                [v, [y, '1']],
-                                [/(webkit|khtml)\/([\w\.]+)/i],
-                                [v, y],
-                                [/(?:mobile|tablet);.*(firefox)\/([\w\.-]+)/i],
-                                [[v, z + ki], y],
-                                [/(navigator|netscape\d?)\/([-\w\.]+)/i],
-                                [[v, 'Netscape'], y],
-                                [/(wolvic|librewolf)\/([\w\.]+)/i],
-                                [v, y],
-                                [/mobile vr; rv:([\w\.]+)\).+firefox/i],
-                                [y, [v, ki + ' Reality']],
-                                [
-                                    /ekiohf.+(flow)\/([\w\.]+)/i,
-                                    /(swiftfox)/i,
-                                    /(icedragon|iceweasel|camino|chimera|fennec|maemo browser|minimo|conkeror)[\/ ]?([\w\.\+]+)/i,
-                                    /(seamonkey|k-meleon|icecat|iceape|firebird|phoenix|palemoon|basilisk|waterfox)\/([-\w\.]+)$/i,
-                                    /(firefox)\/([\w\.]+)/i,
-                                    /(mozilla)\/([\w\.]+) .+rv\:.+gecko\/\d+/i,
-                                    /(amaya|dillo|doris|icab|ladybird|lynx|mosaic|netsurf|obigo|polaris|w3m|(?:go|ice|up)[\. ]?browser)[-\/ ]?v?([\w\.]+)/i,
-                                    /\b(links) \(([\w\.]+)/i,
-                                ],
-                                [v, [y, /_/g, '.']],
-                                [/(cobalt)\/([\w\.]+)/i],
-                                [v, [y, /[^\d\.]+./, w]],
-                            ],
-                            cpu: [
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-                                [[C, 'amd64']],
-                                [/(ia32(?=;))/i, /\b((i[346]|x)86)(pc)?\b/i],
-                                [[C, 'ia32']],
-                                [/\b(aarch64|arm(v?[89]e?l?|_?64))\b/i],
-                                [[C, 'arm64']],
-                                [/\b(arm(v[67])?ht?n?[fl]p?)\b/i],
-                                [[C, 'armhf']],
-                                [/( (ce|mobile); ppc;|\/[\w\.]+arm\b)/i],
-                                [[C, 'arm']],
-                                [/((ppc|powerpc)(64)?)( mac|;|\))/i],
-                                [[C, /ower/, w, j]],
-                                [/ sun4\w[;\)]/i],
-                                [[C, 'sparc']],
-                                [
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-                                ],
-                                [[C, j]],
-                            ],
-                            device: [
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-                                [T, [x, pi], [k, r]],
-                                [
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-                                    /samsung[- ]((?!sm-[lr])[-\w]+)/i,
-                                    /sec-(sgh\w+)/i,
-                                ],
-                                [T, [x, pi], [k, S]],
-                                [/(?:\/|\()(ip(?:hone|od)[\w, ]*)(?:\/|;)/i],
-                                [T, [x, a], [k, S]],
-                                [
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-                                    /applecoremedia\/[\w\.]+ \((ipad)/i,
-                                    /\b(ipad)\d\d?,\d\d?[;\]].+ios/i,
-                                ],
-                                [T, [x, a], [k, r]],
-                                [/(macintosh);/i],
-                                [T, [x, a]],
-                                [/\b(sh-?[altvz]?\d\d[a-ekm]?)/i],
-                                [T, [x, 'Sharp'], [k, S]],
-                                [
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-                                [T, [x, 'Honor'], [k, r]],
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-                                [T, [x, 'Honor'], [k, S]],
-                                [
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-                                [T, [x, bi], [k, r]],
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-                                ],
-                                [T, [x, bi], [k, S]],
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-                                ],
-                                [T, [x, hi], [k, S]],
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-                                [T, [x, E, { OnePlus: ['304', '403', '203'], '*': hi }], [k, r]],
-                                [/vivo (\w+)(?: bui|\))/i, /\b(v[12]\d{3}\w?[at])(?: bui|;)/i],
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-                                [T, [x, 'Realme'], [k, S]],
-                                [
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-                                ],
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-                                [/((?=lg)?[vl]k\-?\d{3}) bui| 3\.[-\w; ]{10}lg?-([06cv9]{3,4})/i],
-                                [T, [x, 'LG'], [k, r]],
-                                [
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-                                    /\blg[-e;\/ ]+((?!browser|netcast|android tv|watch)\w+)/i,
-                                    /\blg-?([\d\w]+) bui/i,
-                                ],
-                                [T, [x, 'LG'], [k, S]],
-                                [
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-                                ],
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-                                [/(nokia) (t[12][01])/i],
-                                [x, T, [k, r]],
-                                [/(?:maemo|nokia).*(n900|lumia \d+|rm-\d+)/i, /nokia[-_ ]?(([-\w\. ]*))/i],
-                                [
-                                    [T, /_/g, ' '],
-                                    [k, S],
-                                    [x, 'Nokia'],
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-                                [/(pixel (c|tablet))\b/i],
-                                [T, [x, s], [k, r]],
-                                [/droid.+; (pixel[\daxl ]{0,6})(?: bui|\))/i],
-                                [T, [x, s], [k, S]],
-                                [
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-                                ],
-                                [T, [x, mi], [k, S]],
-                                [/sony tablet [ps]/i, /\b(?:sony)?sgp\w+(?: bui|\))/i],
-                                [
-                                    [T, 'Xperia Tablet'],
-                                    [x, mi],
-                                    [k, r],
-                                ],
-                                [/ (kb2005|in20[12]5|be20[12][59])\b/i, /(?:one)?(?:plus)? (a\d0\d\d)(?: b|\))/i],
-                                [T, [x, ui], [k, S]],
-                                [
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-                                [T, [x, si], [k, r]],
-                                [/((?:sd|kf)[0349hijorstuw]+)( bui|\)).+silk\//i],
-                                [
-                                    [T, /(.+)/g, 'Fire Phone $1'],
-                                    [x, si],
-                                    [k, S],
-                                ],
-                                [/(playbook);[-\w\),; ]+(rim)/i],
-                                [T, x, [k, r]],
-                                [/\b((?:bb[a-f]|st[hv])100-\d)/i, /\(bb10; (\w+)/i],
-                                [T, [x, wi], [k, S]],
-                                [/(?:\b|asus_)(transfo[prime ]{4,10} \w+|eeepc|slider \w+|nexus 7|padfone|p00[cj])/i],
-                                [T, [x, ni], [k, r]],
-                                [/ (z[bes]6[027][012][km][ls]|zenfone \d\w?)\b/i],
-                                [T, [x, ni], [k, S]],
-                                [/(nexus 9)/i],
-                                [T, [x, 'HTC'], [k, r]],
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-                                    /(alcatel|geeksphone|nexian|panasonic(?!(?:;|\.))|sony(?!-bra))[-_ ]?([-\w]*)/i,
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-                                    /droid [\w\.]+; ((?:8[14]9[16]|9(?:0(?:48|60|8[01])|1(?:3[27]|66)|2(?:6[69]|9[56])|466))[gqswx])(_\w(\w|\w\w))?(\)| bui)/i,
-                                ],
-                                [T, [x, 'TCL'], [k, r]],
-                                [
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-                                ],
-                                [T, [x, 'TCL'], [k, S]],
-                                [/(itel) ((\w+))/i],
-                                [[x, j], T, [k, E, { tablet: ['p10001l', 'w7001'], '*': 'mobile' }]],
-                                [/droid.+; ([ab][1-7]-?[0178a]\d\d?)/i],
-                                [T, [x, 'Acer'], [k, r]],
-                                [/droid.+; (m[1-5] note) bui/i, /\bmz-([-\w]{2,})/i],
-                                [T, [x, 'Meizu'], [k, S]],
-                                [/; ((?:power )?armor(?:[\w ]{0,8}))(?: bui|\))/i],
-                                [T, [x, 'Ulefone'], [k, S]],
-                                [/; (energy ?\w+)(?: bui|\))/i, /; energizer ([\w ]+)(?: bui|\))/i],
-                                [T, [x, 'Energizer'], [k, S]],
-                                [/; cat (b35);/i, /; (b15q?|s22 flip|s48c|s62 pro)(?: bui|\))/i],
-                                [T, [x, 'Cat'], [k, S]],
-                                [/((?:new )?andromax[\w- ]+)(?: bui|\))/i],
-                                [T, [x, 'Smartfren'], [k, S]],
-                                [/droid.+; (a(?:015|06[35]|142p?))/i],
-                                [T, [x, 'Nothing'], [k, S]],
-                                [/(imo) (tab \w+)/i, /(infinix) (x1101b?)/i],
-                                [x, T, [k, r]],
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-                                    /; (hmd|imo) ([\w ]+?)(?: bui|\))/i,
-                                    /(hp) ([\w ]+\w)/i,
-                                    /(microsoft); (lumia[\w ]+)/i,
-                                    /(lenovo)[-_ ]?([-\w ]+?)(?: bui|\)|\/)/i,
-                                    /(oppo) ?([\w ]+) bui/i,
-                                ],
-                                [x, T, [k, S]],
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-                                    /(kobo)\s(ereader|touch)/i,
-                                    /(archos) (gamepad2?)/i,
-                                    /(hp).+(touchpad(?!.+tablet)|tablet)/i,
-                                    /(kindle)\/([\w\.]+)/i,
-                                ],
-                                [x, T, [k, r]],
-                                [/(surface duo)/i],
-                                [T, [x, di], [k, r]],
-                                [/droid [\d\.]+; (fp\du?)(?: b|\))/i],
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-                                [/(sprint) (\w+)/i],
-                                [x, T, [k, S]],
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-                                    [T, /\./g, ' '],
-                                    [x, di],
-                                    [k, S],
-                                ],
-                                [/droid.+; ([c6]+|et5[16]|mc[239][23]x?|vc8[03]x?)\)/i],
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-                                [/droid.+; (ec30|ps20|tc[2-8]\d[kx])\)/i],
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-                                [/smart-tv.+(samsung)/i],
-                                [x, [k, e]],
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-                                [
-                                    [T, /^/, 'SmartTV'],
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-                                    [k, e],
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-                                ],
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-                                [x, [T, a + ' TV'], [k, e]],
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-                                ],
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-                                    [x, s],
-                                    [k, e],
-                                ],
-                                [/fuchsia.*crkey/i],
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-                                ],
-                                [/crkey/i],
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-                                    [T, b],
-                                    [x, s],
-                                    [k, e],
-                                ],
-                                [/droid.+aft(\w+)( bui|\))/i],
-                                [T, [x, si], [k, e]],
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-                                [T, [x, ci], [k, e]],
-                                [/\(dtv[\);].+(aquos)/i, /(aquos-tv[\w ]+)\)/i],
-                                [T, [x, 'Sharp'], [k, e]],
-                                [/(bravia[\w ]+)( bui|\))/i],
-                                [T, [x, mi], [k, e]],
-                                [/(mi(tv|box)-?\w+) bui/i],
-                                [T, [x, fi], [k, e]],
-                                [/Hbbtv.*(technisat) (.*);/i],
-                                [x, T, [k, e]],
-                                [
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-                                    /hbbtv\/\d+\.\d+\.\d+ +\([\w\+ ]*; *([\w\d][^;]*);([^;]*)/i,
-                                ],
-                                [
-                                    [x, Hi],
-                                    [T, Hi],
-                                    [k, e],
-                                ],
-                                [/droid.+; ([\w- ]+) (?:android tv|smart[- ]?tv)/i],
-                                [T, [k, e]],
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-                                [x, T, [k, G]],
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-                                [T, [x, a], [k, t]],
-                                [/(opwwe\d{3})/i],
-                                [T, [x, ui], [k, t]],
-                                [/(moto 360)/i],
-                                [T, [x, li], [k, t]],
-                                [/(smartwatch 3)/i],
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-                                [/(g watch r)/i],
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-                                [T, [x, gi], [k, t]],
-                                [/droid.+; (glass) \d/i],
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-                                [/(pico) (4|neo3(?: link|pro)?)/i],
-                                [x, T, [k, F]],
-                                [/; (quest( \d| pro)?)/i],
-                                [T, [x, xi], [k, F]],
-                                [/(tesla)(?: qtcarbrowser|\/[-\w\.]+)/i],
-                                [x, [k, D]],
-                                [/(aeobc)\b/i],
-                                [T, [x, si], [k, D]],
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-                                [T, [x, a], [k, D]],
-                                [/windows iot/i],
-                                [[k, D]],
-                                [/droid .+?; ([^;]+?)(?: bui|; wv\)|\) applew).+?(mobile|vr|\d) safari/i],
-                                [T, [k, E, { mobile: 'Mobile', xr: 'VR', '*': r }]],
-                                [/\b((tablet|tab)[;\/]|focus\/\d(?!.+mobile))/i],
-                                [[k, r]],
-                                [/(phone|mobile(?:[;\/]| [ \w\/\.]*safari)|pda(?=.+windows ce))/i],
-                                [[k, S]],
-                                [/droid .+?; ([\w\. -]+)( bui|\))/i],
-                                [T, [x, 'Generic']],
-                            ],
-                            engine: [
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-                                [y, [v, 'EdgeHTML']],
-                                [/(arkweb)\/([\w\.]+)/i],
-                                [v, y],
-                                [/webkit\/537\.36.+chrome\/(?!27)([\w\.]+)/i],
-                                [y, [v, 'Blink']],
-                                [
-                                    /(presto)\/([\w\.]+)/i,
-                                    /(webkit|trident|netfront|netsurf|amaya|lynx|w3m|goanna|servo)\/([\w\.]+)/i,
-                                    /ekioh(flow)\/([\w\.]+)/i,
-                                    /(khtml|tasman|links)[\/ ]\(?([\w\.]+)/i,
-                                    /(icab)[\/ ]([23]\.[\d\.]+)/i,
-                                    /\b(libweb)/i,
-                                ],
-                                [v, y],
-                                [/ladybird\//i],
-                                [[v, 'LibWeb']],
-                                [/rv\:([\w\.]{1,9})\b.+(gecko)/i],
-                                [y, v],
-                            ],
-                            os: [
-                                [/microsoft (windows) (vista|xp)/i],
-                                [v, y],
-                                [/(windows (?:phone(?: os)?|mobile|iot))[\/ ]?([\d\.\w ]*)/i],
-                                [v, [y, E, Ni]],
-                                [
-                                    /windows nt 6\.2; (arm)/i,
-                                    /windows[\/ ]([ntce\d\. ]+\w)(?!.+xbox)/i,
-                                    /(?:win(?=3|9|n)|win 9x )([nt\d\.]+)/i,
-                                ],
-                                [
-                                    [y, E, Ni],
-                                    [v, Ci],
-                                ],
-                                [
-                                    /[adehimnop]{4,7}\b(?:.*os ([\w]+) like mac|; opera)/i,
-                                    /(?:ios;fbsv\/|iphone.+ios[\/ ])([\d\.]+)/i,
-                                    /cfnetwork\/.+darwin/i,
-                                ],
-                                [
-                                    [y, /_/g, '.'],
-                                    [v, 'iOS'],
-                                ],
-                                [/(mac os x) ?([\w\. ]*)/i, /(macintosh|mac_powerpc\b)(?!.+haiku)/i],
-                                [
-                                    [v, 'macOS'],
-                                    [y, /_/g, '.'],
-                                ],
-                                [/android ([\d\.]+).*crkey/i],
-                                [y, [v, b + ' Android']],
-                                [/fuchsia.*crkey\/([\d\.]+)/i],
-                                [y, [v, b + ' Fuchsia']],
-                                [/crkey\/([\d\.]+).*devicetype\/smartspeaker/i],
-                                [y, [v, b + ' SmartSpeaker']],
-                                [/linux.*crkey\/([\d\.]+)/i],
-                                [y, [v, b + ' Linux']],
-                                [/crkey\/([\d\.]+)/i],
-                                [y, [v, b]],
-                                [/droid ([\w\.]+)\b.+(android[- ]x86|harmonyos)/i],
-                                [y, v],
-                                [/(ubuntu) ([\w\.]+) like android/i],
-                                [[v, /(.+)/, '$1 Touch'], y],
-                                [
-                                    /(android|bada|blackberry|kaios|maemo|meego|openharmony|qnx|rim tablet os|sailfish|series40|symbian|tizen|webos)\w*[-\/; ]?([\d\.]*)/i,
-                                ],
-                                [v, y],
-                                [/\(bb(10);/i],
-                                [y, [v, wi]],
-                                [/(?:symbian ?os|symbos|s60(?=;)|series ?60)[-\/ ]?([\w\.]*)/i],
-                                [y, [v, 'Symbian']],
-                                [/mozilla\/[\d\.]+ \((?:mobile|tablet|tv|mobile; [\w ]+); rv:.+ gecko\/([\w\.]+)/i],
-                                [y, [v, ki + ' OS']],
-                                [/web0s;.+rt(tv)/i, /\b(?:hp)?wos(?:browser)?\/([\w\.]+)/i],
-                                [y, [v, 'webOS']],
-                                [/watch(?: ?os[,\/]|\d,\d\/)([\d\.]+)/i],
-                                [y, [v, 'watchOS']],
-                                [/(cros) [\w]+(?:\)| ([\w\.]+)\b)/i],
-                                [[v, 'Chrome OS'], y],
-                                [
-                                    /panasonic;(viera)/i,
-                                    /(netrange)mmh/i,
-                                    /(nettv)\/(\d+\.[\w\.]+)/i,
-                                    /(nintendo|playstation) (\w+)/i,
-                                    /(xbox); +xbox ([^\);]+)/i,
-                                    /(pico) .+os([\w\.]+)/i,
-                                    /\b(joli|palm)\b ?(?:os)?\/?([\w\.]*)/i,
-                                    /(mint)[\/\(\) ]?(\w*)/i,
-                                    /(mageia|vectorlinux)[; ]/i,
-                                    /([kxln]?ubuntu|debian|suse|opensuse|gentoo|arch(?= linux)|slackware|fedora|mandriva|centos|pclinuxos|red ?hat|zenwalk|linpus|raspbian|plan 9|minix|risc os|contiki|deepin|manjaro|elementary os|sabayon|linspire)(?: gnu\/linux)?(?: enterprise)?(?:[- ]linux)?(?:-gnu)?[-\/ ]?(?!chrom|package)([-\w\.]*)/i,
-                                    /(hurd|linux)(?: arm\w*| x86\w*| ?)([\w\.]*)/i,
-                                    /(gnu) ?([\w\.]*)/i,
-                                    /\b([-frentopcghs]{0,5}bsd|dragonfly)[\/ ]?(?!amd|[ix346]{1,2}86)([\w\.]*)/i,
-                                    /(haiku) (\w+)/i,
-                                ],
-                                [v, y],
-                                [/(sunos) ?([\w\.\d]*)/i],
-                                [[v, 'Solaris'], y],
-                                [
-                                    /((?:open)?solaris)[-\/ ]?([\w\.]*)/i,
-                                    /(aix) ((\d)(?=\.|\)| )[\w\.])*/i,
-                                    /\b(beos|os\/2|amigaos|morphos|openvms|fuchsia|hp-ux|serenityos)/i,
-                                    /(unix) ?([\w\.]*)/i,
-                                ],
-                                [v, y],
-                            ],
-                        },
-                        Ii =
-                            ((d = { init: {}, isIgnore: {}, isIgnoreRgx: {}, toString: {} }),
-                            N.call(d.init, [
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-                                [h, [C]],
-                                [p, [k, T, x]],
-                                [m, [v, y]],
-                                [f, [v, y]],
-                            ]),
-                            N.call(d.isIgnore, [
-                                [u, [y, B]],
-                                [m, [y]],
-                                [f, [y]],
-                            ]),
-                            N.call(d.isIgnoreRgx, [
-                                [u, / ?browser$/i],
-                                [f, / ?os$/i],
-                            ]),
-                            N.call(d.toString, [
-                                [u, [v, y]],
-                                [h, [C]],
-                                [p, [x, T]],
-                                [m, [v, y]],
-                                [f, [v, y]],
-                            ]),
-                            d),
-                        Mi = function (e, i) {
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-                                r = Ii.isIgnoreRgx[i] || 0,
-                                a = Ii.toString[i] || 0;
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-                                }),
-                                (s.prototype.withFeatureCheck = function () {
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-                                }),
-                                i != g &&
-                                    ((s.prototype.is = function (i) {
-                                        var e,
-                                            t = !1;
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-                                                this.hasOwnProperty(e) &&
-                                                !Si(o, e) &&
-                                                j(r ? Ai(r, this[e]) : this[e]) == j(r ? Ai(r, i) : i)
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-                                                if (((t = !0), i != n)) break;
-                                            } else if (i == n && t) {
-                                                t = !t;
-                                                break;
-                                            }
-                                        return t;
-                                    }),
-                                    (s.prototype.toString = function () {
-                                        var i,
-                                            e = w;
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-                                        return e || n;
-                                    })),
-                                O ||
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-                                        var t = this,
-                                            o =
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-                                                new e());
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-                                    }),
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-                                [S, /\?1/.test(i[ei])],
-                                [T, Oi(i[ti])],
-                                [q, Oi(i[oi])],
-                                [K, Oi(i[ri])],
-                                [C, Oi(i[Y])],
-                                [_, qi(i[ii])],
-                                [Q, Oi(i[J])],
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-                            }),
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-                            (this.detectFeature = function () {
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-                                                'Macintosh' == this.get(T) &&
-                                                    A &&
-                                                    typeof A.standalone !== n &&
-                                                    A.maxTouchPoints &&
-                                                    2 < A.maxTouchPoints &&
-                                                    this.set(T, 'iPad').set(k, r);
-                                            break;
-                                        case f:
-                                            !this.get(v) && O && O[q] && this.set(v, O[q]);
-                                            break;
-                                        case g:
-                                            var e = this.data,
-                                                i = function (i) {
-                                                    return e[i].getItem().detectFeature().get();
-                                                };
-                                            this.set(u, i(u)).set(h, i(h)).set(p, i(p)).set(m, i(m)).set(f, i(f));
-                                    }
-                                return this;
-                            }),
-                            (this.parseUA = function () {
-                                return (
-                                    this.itemType != g && ji.call(this.data, this.ua, this.rgxMap),
-                                    this.itemType == u && this.set(B, zi(this.get(y))),
-                                    this
-                                );
-                            }),
-                            (this.parseCH = function () {
-                                var i,
-                                    e = this.uaCH,
-                                    t = this.rgxMap;
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-                                    case u:
-                                    case m:
-                                        var o,
-                                            r = e[X] || e[W];
-                                        if (r)
-                                            for (var a in r) {
-                                                var s = r[a].brand || r[a],
-                                                    a = r[a].version;
-                                                this.itemType != u ||
-                                                    /not.a.brand/i.test(s) ||
-                                                    (o && (!/chrom/i.test(o) || s == vi)) ||
-                                                    ((s = E(s, {
-                                                        Chrome: 'Google Chrome',
-                                                        Edge: 'Microsoft Edge',
-                                                        'Chrome WebView': 'Android WebView',
-                                                        'Chrome Headless': 'HeadlessChrome',
-                                                    })),
-                                                    this.set(v, s).set(y, a).set(B, zi(a)),
-                                                    (o = s)),
-                                                    this.itemType == m && s == vi && this.set(y, a);
-                                            }
-                                        break;
-                                    case h:
-                                        var n = e[C];
-                                        n && ('64' == e[Q] && (n += '64'), ji.call(this.data, n + ';', t));
-                                        break;
-                                    case p:
-                                        if (
-                                            (e[S] && this.set(k, S),
-                                            e[T] &&
-                                                (this.set(T, e[T]),
-                                                (this.get(k) && this.get(x)) ||
-                                                    (ji.call((n = {}), 'droid 9; ' + e[T] + ')', t),
-                                                    !this.get(k) && n.type && this.set(k, n.type),
-                                                    !this.get(x) && n.vendor && this.set(x, n.vendor))),
-                                            e[_])
-                                        ) {
-                                            if ('string' != typeof e[_])
-                                                for (var w = 0; !i && w < e[_].length; ) i = E(e[_][w++], Ei);
-                                            else i = E(e[_], Ei);
-                                            this.set(k, i);
-                                        }
-                                        break;
-                                    case f:
-                                        var b,
-                                            n = e[q];
-                                        n &&
-                                            ((b = e[K]),
-                                            n == Ci && (b = 13 <= parseInt(zi(b), 10) ? '11' : '10'),
-                                            this.set(v, n).set(y, b)),
-                                            this.get(v) == Ci && 'Xbox' == e[T] && this.set(v, 'Xbox').set(y, l);
-                                        break;
-                                    case g:
-                                        var d = this.data,
-                                            n = function (i) {
-                                                return d[i].getItem().setCH(e).parseCH().get();
-                                            };
-                                        this.set(u, n(u)).set(h, n(h)).set(p, n(p)).set(m, n(m)).set(f, n(f));
-                                }
-                                return this;
-                            }),
-                            N.call(this, [
-                                ['itemType', i],
-                                ['ua', e],
-                                ['uaCH', o],
-                                ['rgxMap', t],
-                                ['data', Mi(this, i)],
-                            ]),
-                            this
-                        );
-                    }
-                    function P(i, e, t) {
-                        var o, r, a, s, n;
-                        return (
-                            typeof i === c
-                                ? ((e = _i(i, !0) ? (typeof e === c && (t = e), i) : ((t = i), l)), (i = l))
-                                : typeof i !== L || _i(e, !0) || ((t = e), (e = l)),
-                            t &&
-                                typeof t.append === V &&
-                                ((o = {}),
-                                t.forEach(function (i, e) {
-                                    o[e] = i;
-                                }),
-                                (t = o)),
-                            this instanceof P
-                                ? ((r = typeof i === L ? i : t && t[U] ? t[U] : A && A.userAgent ? A.userAgent : w),
-                                  (a = new Ui(t, !0)),
-                                  (s = e
-                                      ? ((i, e) => {
-                                            var t,
-                                                o = {},
-                                                r = e;
-                                            if (!_i(e))
-                                                for (var a in ((r = {}), e))
-                                                    for (var s in e[a]) r[s] = e[a][s].concat(r[s] || []);
-                                            for (t in i) o[t] = r[t] && r[t].length % 2 == 0 ? r[t].concat(i[t]) : i[t];
-                                            return o;
-                                        })(Pi, e)
-                                      : Pi),
-                                  N.call(this, [
-                                      [
-                                          'getBrowser',
-                                          (n = function (i) {
-                                              return i == g
-                                                  ? function () {
-                                                        return new Ri(i, r, s, a)
-                                                            .set('ua', r)
-                                                            .set(u, this.getBrowser())
-                                                            .set(h, this.getCPU())
-                                                            .set(p, this.getDevice())
-                                                            .set(m, this.getEngine())
-                                                            .set(f, this.getOS())
-                                                            .get();
-                                                    }
-                                                  : function () {
-                                                        return new Ri(i, r, s[i], a).parseUA().get();
-                                                    };
-                                          })(u),
-                                      ],
-                                      ['getCPU', n(h)],
-                                      ['getDevice', n(p)],
-                                      ['getEngine', n(m)],
-                                      ['getOS', n(f)],
-                                      ['getResult', n(g)],
-                                      [
-                                          'getUA',
-                                          function () {
-                                              return r;
-                                          },
-                                      ],
-                                      [
-                                          'setUA',
-                                          function (i) {
-                                              return H(i) && (r = i.length > M ? Hi(i, M) : i), this;
-                                          },
-                                      ],
-                                  ]).setUA(r),
-                                  this)
-                                : new P(i, e, t).getResult()
-                        );
-                    }
-                    (P.VERSION = '2.0.2'),
-                        (P.BROWSER = I([v, y, B, k])),
-                        (P.CPU = I([C])),
-                        (P.DEVICE = I([T, x, k, G, S, e, r, t, D])),
-                        (P.ENGINE = P.OS = I([v, y])),
-                        typeof exports !== n
-                            ? ((exports =
-                                  typeof module !== n && module.exports ? (module.exports = P) : exports).UAParser = P)
-                            : typeof define === V && define.amd
-                              ? define(function () {
-                                    return P;
-                                })
-                              : Ti && (i.UAParser = P);
-                    var Vi,
-                        Li = Ti && (i.jQuery || i.Zepto);
-                    Li &&
-                        !Li.ua &&
-                        ((Vi = new P()),
-                        (Li.ua = Vi.getResult()),
-                        (Li.ua.get = function () {
-                            return Vi.getUA();
-                        }),
-                        (Li.ua.set = function (i) {
-                            Vi.setUA(i);
-                            var e,
-                                t = Vi.getResult();
-                            for (e in t) Li.ua[e] = t[e];
-                        }));
-                })('object' == typeof window ? window : this);
-            },
-            {},
-        ],
-        60: [
-            function (require, module, exports) {
-                const client = require('mediasoup-client');
-                window.mediasoupClient = client;
-            },
-            { 'mediasoup-client': 45 },
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-    },
-    {},
-    [60],
-);
+(()=>{var e={11:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Chrome74=void 0;const o=n(s(7363)),c=s(2994),d=n(s(1765)),p=n(s(8046)),l=n(s(5544)),h=n(s(5938)),m=n(s(4256)),u=s(4893),f=s(521),g=s(1305),_=s(3303),w=new c.Logger("Chrome74"),b={OS:1024,MIS:1024};class v extends f.HandlerInterface{static createFactory(){return()=>new v}constructor(){super(),this._closed=!1,this._mapMidTransceiver=new Map,this._sendStream=new MediaStream,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Chrome74"}close(){if(w.debug("close()"),!this._closed){if(this._closed=!0,this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){w.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan"});try{e.addTransceiver("audio"),e.addTransceiver("video");const t=await e.createOffer();try{e.close()}catch(e){}const s=o.parse(t.sdp),r=l.extractRtpCapabilities({sdpObject:s});return m.addNackSupportForOpus(r),r}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return w.debug("getNativeSctpCapabilities()"),{numStreams:b}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){w.debug("run()"),this._direction=e,this._remoteSdp=new g.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i}),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",d),video:p.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:p.getSendingRemoteRtpParameters("audio",d),video:p.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):(w.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}})))}async updateIceServers(e){this.assertNotClosed(),w.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(this.assertNotClosed(),w.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});w.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();w.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){this.assertNotClosed(),this.assertSendDirection(),w.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),t&&t.length>1&&t.forEach(((e,t)=>{e.rid=`r${t}`}));const i=d.clone(this._sendingRtpParametersByKind[e.kind]);i.codecs=p.reduceCodecs(i.codecs,r);const a=d.clone(this._sendingRemoteRtpParametersByKind[e.kind]);a.codecs=p.reduceCodecs(a.codecs,r);const n=this._remoteSdp.getNextMediaSectionIdx(),c=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream],sendEncodings:t});let m,u=await this._pc.createOffer(),f=o.parse(u.sdp);this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:f});let g=!1;const b=(0,_.parse)((t??[{}])[0].scalabilityMode);t&&1===t.length&&b.spatialLayers>1&&"video/vp9"===i.codecs[0].mimeType.toLowerCase()&&(w.debug("send() | enabling legacy simulcast for VP9 SVC"),g=!0,f=o.parse(u.sdp),m=f.media[n.idx],h.addLegacySimulcast({offerMediaObject:m,numStreams:b.spatialLayers}),u={type:"offer",sdp:o.write(f)}),w.debug("send() | calling pc.setLocalDescription() [offer:%o]",u),await this._pc.setLocalDescription(u);const v=c.mid;if(i.mid=v,f=o.parse(this._pc.localDescription.sdp),m=f.media[n.idx],i.rtcp.cname=l.getCname({offerMediaObject:m}),t)if(1===t.length){let e=h.getRtpEncodings({offerMediaObject:m});Object.assign(e[0],t[0]),g&&(e=[e[0]]),i.encodings=e}else i.encodings=t;else i.encodings=h.getRtpEncodings({offerMediaObject:m});if(i.encodings.length>1&&("video/vp8"===i.codecs[0].mimeType.toLowerCase()||"video/h264"===i.codecs[0].mimeType.toLowerCase()))for(const e of i.encodings)e.scalabilityMode?e.scalabilityMode=`L1T${b.temporalLayers}`:e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:m,reuseMid:n.reuseMid,offerRtpParameters:i,answerRtpParameters:a,codecOptions:s,extmapAllowMixed:!0});const y={type:"answer",sdp:this._remoteSdp.getSdp()};return w.debug("send() | calling pc.setRemoteDescription() [answer:%o]",y),await this._pc.setRemoteDescription(y),this._mapMidTransceiver.set(v,c),{localId:v,rtpParameters:i,rtpSender:c.sender}}async stopSending(e){if(this.assertSendDirection(),w.debug("stopSending() [localId:%s]",e),this._closed)return;const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");if(t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.closeMediaSection(t.mid))try{t.stop()}catch(e){}const s=await this._pc.createOffer();w.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const s=await this._pc.createOffer();w.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(this._remoteSdp.resumeSendingMediaSection(e),!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly";const s=await this._pc.createOffer();w.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?w.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):w.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");await s.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:s,protocol:i};w.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%b.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),w.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],s=new Map;for(const t of e){const{trackId:e,kind:r,rtpParameters:i,streamId:a}=t;w.debug("receive() [trackId:%s, kind:%s]",e,r);const n=i.mid??String(this._mapMidTransceiver.size);s.set(e,n),this._remoteSdp.receive({mid:n,kind:r,offerRtpParameters:i,streamId:a??i.rtcp.cname,trackId:e})}const r={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",r),await this._pc.setRemoteDescription(r);let i=await this._pc.createAnswer();const a=o.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:r}=t,i=s.get(e),n=a.media.find((e=>String(e.mid)===i));l.applyCodecParameters({offerRtpParameters:r,answerMediaObject:n})}i={type:"answer",sdp:o.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),w.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const r of e){const{trackId:e}=r,i=s.get(e),a=this._pc.getTransceivers().find((e=>e.mid===i));if(!a)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,a),t.push({localId:i,track:a.receiver.track,rtpReceiver:a.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const t of e){w.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){w.debug("pauseReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("pauseReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async resumeReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){w.debug("resumeReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("resumeReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async getReceiverStats(e){this.assertNotClosed(),this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertNotClosed(),this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n,protocol:s};w.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation();const e={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}w.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=l.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertNotClosed(){if(this._closed)throw new u.InvalidStateError("method called in a closed handler")}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Chrome74=v},76:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return 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e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.RemoteSdp=void 0;const o=n(s(7363)),c=s(2994),d=s(3471),p=new c.Logger("RemoteSdp");t.RemoteSdp=class{constructor({iceParameters:e,iceCandidates:t,dtlsParameters:s,sctpParameters:r,plainRtpParameters:i,planB:a=!1}){if(this._mediaSections=[],this._midToIndex=new Map,this._iceParameters=e,this._iceCandidates=t,this._dtlsParameters=s,this._sctpParameters=r,this._plainRtpParameters=i,this._planB=a,this._sdpObject={version:0,origin:{address:"0.0.0.0",ipVer:4,netType:"IN",sessionId:1e4,sessionVersion:0,username:"mediasoup-client"},name:"-",timing:{start:0,stop:0},media:[]},e?.iceLite&&(this._sdpObject.icelite="ice-lite"),s){this._sdpObject.msidSemantic={semantic:"WMS",token:"*"};const e=this._dtlsParameters.fingerprints.length;this._sdpObject.fingerprint={type:s.fingerprints[e-1].algorithm,hash:s.fingerprints[e-1].value},this._sdpObject.groups=[{type:"BUNDLE",mids:""}]}i&&(this._sdpObject.origin.address=i.ip,this._sdpObject.origin.ipVer=i.ipVersion)}updateIceParameters(e){p.debug("updateIceParameters() [iceParameters:%o]",e),this._iceParameters=e,this._sdpObject.icelite=e.iceLite?"ice-lite":void 0;for(const t of this._mediaSections)t.setIceParameters(e)}updateDtlsRole(e){p.debug("updateDtlsRole() [role:%s]",e),this._dtlsParameters.role=e;for(const t of this._mediaSections)t.setDtlsRole(e)}getNextMediaSectionIdx(){for(let e=0;e<this._mediaSections.length;++e){const t=this._mediaSections[e];if(t.closed)return{idx:e,reuseMid:t.mid}}return{idx:this._mediaSections.length}}send({offerMediaObject:e,reuseMid:t,offerRtpParameters:s,answerRtpParameters:r,codecOptions:i,extmapAllowMixed:a=!1}){const n=new d.AnswerMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,plainRtpParameters:this._plainRtpParameters,planB:this._planB,offerMediaObject:e,offerRtpParameters:s,answerRtpParameters:r,codecOptions:i,extmapAllowMixed:a});t?this._replaceMediaSection(n,t):this._midToIndex.has(n.mid)?this._replaceMediaSection(n):this._addMediaSection(n)}receive({mid:e,kind:t,offerRtpParameters:s,streamId:r,trackId:i}){const a=this._midToIndex.get(e);let n;if(void 0!==a&&(n=this._mediaSections[a]),n)n.planBReceive({offerRtpParameters:s,streamId:r,trackId:i}),this._replaceMediaSection(n);else{n=new d.OfferMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,plainRtpParameters:this._plainRtpParameters,planB:this._planB,mid:e,kind:t,offerRtpParameters:s,streamId:r,trackId:i});const a=this._mediaSections.find((e=>e.closed));a?this._replaceMediaSection(n,a.mid):this._addMediaSection(n)}}pauseMediaSection(e){this._findMediaSection(e).pause()}resumeSendingMediaSection(e){this._findMediaSection(e).resume()}resumeReceivingMediaSection(e){this._findMediaSection(e).resume()}disableMediaSection(e){this._findMediaSection(e).disable()}closeMediaSection(e){const t=this._findMediaSection(e);return e===this._firstMid?(p.debug("closeMediaSection() | cannot close first media section, disabling it instead [mid:%s]",e),this.disableMediaSection(e),!1):(t.close(),this._regenerateBundleMids(),!0)}muxMediaSectionSimulcast(e,t){const s=this._findMediaSection(e);s.muxSimulcastStreams(t),this._replaceMediaSection(s)}planBStopReceiving({mid:e,offerRtpParameters:t}){const s=this._findMediaSection(e);s.planBStopReceiving({offerRtpParameters:t}),this._replaceMediaSection(s)}sendSctpAssociation({offerMediaObject:e}){const t=new d.AnswerMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,sctpParameters:this._sctpParameters,plainRtpParameters:this._plainRtpParameters,offerMediaObject:e});this._addMediaSection(t)}receiveSctpAssociation({oldDataChannelSpec:e=!1}={}){const t=new d.OfferMediaSection({iceParameters:this._iceParameters,iceCandidates:this._iceCandidates,dtlsParameters:this._dtlsParameters,sctpParameters:this._sctpParameters,plainRtpParameters:this._plainRtpParameters,mid:"datachannel",kind:"application",oldDataChannelSpec:e});this._addMediaSection(t)}getSdp(){return this._sdpObject.origin.sessionVersion++,o.write(this._sdpObject)}_addMediaSection(e){this._firstMid||(this._firstMid=e.mid),this._mediaSections.push(e),this._midToIndex.set(e.mid,this._mediaSections.length-1),this._sdpObject.media.push(e.getObject()),this._regenerateBundleMids()}_replaceMediaSection(e,t){if("string"==typeof t){const s=this._midToIndex.get(t);if(void 0===s)throw new Error(`no media section found for reuseMid '${t}'`);const r=this._mediaSections[s];this._mediaSections[s]=e,this._midToIndex.delete(r.mid),this._midToIndex.set(e.mid,s),this._sdpObject.media[s]=e.getObject(),this._regenerateBundleMids()}else{const t=this._midToIndex.get(e.mid);if(void 0===t)throw new Error(`no media section found with mid '${e.mid}'`);this._mediaSections[t]=e,this._sdpObject.media[t]=e.getObject()}}_findMediaSection(e){const t=this._midToIndex.get(e);if(void 0===t)throw new Error(`no media section found with mid '${e}'`);return this._mediaSections[t]}_regenerateBundleMids(){this._dtlsParameters&&(this._sdpObject.groups[0].mids=this._mediaSections.filter((e=>!e.closed)).map((e=>e.mid)).join(" "))}}},1765:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.clone=function(e){return void 0===e?void 0:Number.isNaN(e)?NaN:"function"==typeof structuredClone?structuredClone(e):JSON.parse(JSON.stringify(e))},t.generateRandomNumber=function(){return Math.round(1e7*Math.random())},t.deepFreeze=function e(t){const s=Reflect.ownKeys(t);for(const r of s){const s=t[r];(s&&"object"==typeof s||"function"==typeof s)&&e(s)}return Object.freeze(t)}},1767:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Firefox60=void 0;const o=n(s(7363)),c=s(2994),d=s(4893),p=n(s(1765)),l=n(s(8046)),h=n(s(5544)),m=n(s(5938)),u=s(521),f=s(1305),g=s(3303),_=new c.Logger("Firefox60"),w={OS:16,MIS:2048};class b extends u.HandlerInterface{static createFactory(){return()=>new b}constructor(){super(),this._closed=!1,this._mapMidTransceiver=new Map,this._sendStream=new MediaStream,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Firefox60"}close(){if(_.debug("close()"),!this._closed){if(this._closed=!0,this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){_.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require"}),t=document.createElement("canvas");t.getContext("2d");const s=t.captureStream().getVideoTracks()[0];try{e.addTransceiver("audio",{direction:"sendrecv"});const r=e.addTransceiver(s,{direction:"sendrecv"}),i=r.sender.getParameters(),a=[{rid:"r0",maxBitrate:1e5},{rid:"r1",maxBitrate:5e5}];i.encodings=a,await r.sender.setParameters(i);const n=await e.createOffer();try{t.remove()}catch(e){}try{s.stop()}catch(e){}try{e.close()}catch(e){}const c=o.parse(n.sdp);return h.extractRtpCapabilities({sdpObject:c})}catch(r){try{t.remove()}catch(e){}try{s.stop()}catch(e){}try{e.close()}catch(e){}throw r}}async getNativeSctpCapabilities(){return _.debug("getNativeSctpCapabilities()"),{numStreams:w}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){this.assertNotClosed(),_.debug("run()"),this._direction=e,this._remoteSdp=new f.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i}),this._sendingRtpParametersByKind={audio:l.getSendingRtpParameters("audio",d),video:l.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:l.getSendingRemoteRtpParameters("audio",d),video:l.getSendingRemoteRtpParameters("video",d)},this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(_.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){throw this.assertNotClosed(),new d.UnsupportedError("not supported")}async restartIce(e){if(this.assertNotClosed(),_.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});_.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();_.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){this.assertNotClosed(),this.assertSendDirection(),_.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),t&&((t=p.clone(t)).forEach(((e,t)=>{e.rid=`r${t}`})),t.reverse());const i=p.clone(this._sendingRtpParametersByKind[e.kind]);i.codecs=l.reduceCodecs(i.codecs,r);const a=p.clone(this._sendingRemoteRtpParametersByKind[e.kind]);a.codecs=l.reduceCodecs(a.codecs,r);const n=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream]});if(t){const e=n.sender.getParameters();e.encodings=t,await n.sender.setParameters(e)}const c=await this._pc.createOffer();let d=o.parse(c.sdp);this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:d});const u=(0,g.parse)((t??[{}])[0].scalabilityMode);_.debug("send() | calling pc.setLocalDescription() [offer:%o]",c),await this._pc.setLocalDescription(c);const f=n.mid;i.mid=f,d=o.parse(this._pc.localDescription.sdp);const w=d.media[d.media.length-1];if(i.rtcp.cname=h.getCname({offerMediaObject:w}),t)if(1===t.length){const e=m.getRtpEncodings({offerMediaObject:w});Object.assign(e[0],t[0]),i.encodings=e}else i.encodings=t.reverse();else i.encodings=m.getRtpEncodings({offerMediaObject:w});if(i.encodings.length>1&&("video/vp8"===i.codecs[0].mimeType.toLowerCase()||"video/h264"===i.codecs[0].mimeType.toLowerCase()))for(const e of i.encodings)e.scalabilityMode?e.scalabilityMode=`L1T${u.temporalLayers}`:e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:w,offerRtpParameters:i,answerRtpParameters:a,codecOptions:s,extmapAllowMixed:!0});const b={type:"answer",sdp:this._remoteSdp.getSdp()};return _.debug("send() | calling pc.setRemoteDescription() [answer:%o]",b),await this._pc.setRemoteDescription(b),this._mapMidTransceiver.set(f,n),{localId:f,rtpParameters:i,rtpSender:n.sender}}async stopSending(e){if(this.assertSendDirection(),_.debug("stopSending() [localId:%s]",e),this._closed)return;const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated transceiver not found");t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.disableMediaSection(t.mid);const s=await this._pc.createOffer();_.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),_.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const s=await this._pc.createOffer();_.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),_.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly",this._remoteSdp.resumeSendingMediaSection(e);const s=await this._pc.createOffer();_.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?_.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):_.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");await s.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),_.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated transceiver not found");const r=s.sender.getParameters();t=r.encodings.length-1-t,r.encodings.forEach(((e,s)=>{e.active=s>=t})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();_.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),_.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();_.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:s,protocol:i};_.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%w.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:t}),_.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],s=new Map;for(const t of e){const{trackId:e,kind:r,rtpParameters:i,streamId:a}=t;_.debug("receive() [trackId:%s, kind:%s]",e,r);const n=i.mid??String(this._mapMidTransceiver.size);s.set(e,n),this._remoteSdp.receive({mid:n,kind:r,offerRtpParameters:i,streamId:a??i.rtcp.cname,trackId:e})}const r={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",r),await this._pc.setRemoteDescription(r);let i=await this._pc.createAnswer();const a=o.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:r}=t,n=s.get(e),c=a.media.find((e=>String(e.mid)===n));h.applyCodecParameters({offerRtpParameters:r,answerMediaObject:c}),i={type:"answer",sdp:o.write(a)}}this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:a}),_.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const r of e){const{trackId:e}=r,i=s.get(e),a=this._pc.getTransceivers().find((e=>e.mid===i));if(!a)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,a),t.push({localId:i,track:a.receiver.track,rtpReceiver:a.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const t of e){_.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();_.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){_.debug("pauseReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not 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0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Chrome111=void 0;const o=n(s(7363)),c=s(2994),d=n(s(1765)),p=n(s(8046)),l=n(s(5544)),h=n(s(5938)),m=n(s(4256)),u=s(4893),f=s(521),g=s(1305),_=s(3303),w=new c.Logger("Chrome111"),b={OS:1024,MIS:1024};class v extends f.HandlerInterface{static createFactory(){return()=>new v}constructor(){super(),this._closed=!1,this._mapMidTransceiver=new Map,this._sendStream=new MediaStream,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Chrome111"}close(){if(w.debug("close()"),!this._closed){if(this._closed=!0,this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){w.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan"});try{e.addTransceiver("audio"),e.addTransceiver("video");const t=await e.createOffer();try{e.close()}catch(e){}const s=o.parse(t.sdp),r=l.extractRtpCapabilities({sdpObject:s});return m.addNackSupportForOpus(r),r}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return w.debug("getNativeSctpCapabilities()"),{numStreams:b}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){this.assertNotClosed(),w.debug("run()"),this._direction=e,this._remoteSdp=new g.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i}),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",d),video:p.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:p.getSendingRemoteRtpParameters("audio",d),video:p.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):(w.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}})))}async updateIceServers(e){this.assertNotClosed(),w.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(this.assertNotClosed(),w.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});w.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();w.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r,onRtpSender:i}){if(this.assertNotClosed(),this.assertSendDirection(),w.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),t&&t.length>1){let e=1;for(const s of t){const t=s.scalabilityMode?(0,_.parse)(s.scalabilityMode).temporalLayers:3;t>e&&(e=t)}t.forEach(((t,s)=>{t.rid=`r${s}`,t.scalabilityMode=`L1T${e}`}))}const a=d.clone(this._sendingRtpParametersByKind[e.kind]);a.codecs=p.reduceCodecs(a.codecs,r);const n=d.clone(this._sendingRemoteRtpParametersByKind[e.kind]);n.codecs=p.reduceCodecs(n.codecs,r);const c=this._remoteSdp.getNextMediaSectionIdx(),m=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream],sendEncodings:t});i&&i(m.sender);const u=await this._pc.createOffer();let f=o.parse(u.sdp);this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:f}),w.debug("send() | calling pc.setLocalDescription() [offer:%o]",u),await this._pc.setLocalDescription(u);const g=m.mid;a.mid=g,f=o.parse(this._pc.localDescription.sdp);const b=f.media[c.idx];if(a.rtcp.cname=l.getCname({offerMediaObject:b}),t)if(1===t.length){const e=h.getRtpEncodings({offerMediaObject:b});Object.assign(e[0],t[0]),a.encodings=e}else a.encodings=t;else a.encodings=h.getRtpEncodings({offerMediaObject:b});this._remoteSdp.send({offerMediaObject:b,reuseMid:c.reuseMid,offerRtpParameters:a,answerRtpParameters:n,codecOptions:s,extmapAllowMixed:!0});const v={type:"answer",sdp:this._remoteSdp.getSdp()};return w.debug("send() | calling pc.setRemoteDescription() [answer:%o]",v),await this._pc.setRemoteDescription(v),this._mapMidTransceiver.set(g,m),{localId:g,rtpParameters:a,rtpSender:m.sender}}async stopSending(e){if(this.assertSendDirection(),w.debug("stopSending() [localId:%s]",e),this._closed)return;const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");if(t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.closeMediaSection(t.mid))try{t.stop()}catch(e){}const s=await this._pc.createOffer();w.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const s=await this._pc.createOffer();w.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(this._remoteSdp.resumeSendingMediaSection(e),!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly";const s=await this._pc.createOffer();w.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?w.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):w.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");await s.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:s,protocol:i};w.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%b.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),w.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],s=new Map;for(const t of e){const{trackId:e,kind:r,rtpParameters:i,streamId:a}=t;w.debug("receive() [trackId:%s, kind:%s]",e,r);const n=i.mid??String(this._mapMidTransceiver.size);s.set(e,n),this._remoteSdp.receive({mid:n,kind:r,offerRtpParameters:i,streamId:a??i.rtcp.cname,trackId:e})}const r={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",r),await this._pc.setRemoteDescription(r);for(const t of e){const{trackId:e,onRtpReceiver:r}=t;if(r){const t=s.get(e),i=this._pc.getTransceivers().find((e=>e.mid===t));if(!i)throw new Error("transceiver not found");r(i.receiver)}}let i=await this._pc.createAnswer();const a=o.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:r}=t,i=s.get(e),n=a.media.find((e=>String(e.mid)===i));l.applyCodecParameters({offerRtpParameters:r,answerMediaObject:n})}i={type:"answer",sdp:o.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),w.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const r of e){const{trackId:e}=r,i=s.get(e),a=this._pc.getTransceivers().find((e=>e.mid===i));if(!a)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,a),t.push({localId:i,track:a.receiver.track,rtpReceiver:a.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const t of e){w.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){w.debug("pauseReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("pauseReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async resumeReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){w.debug("resumeReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("resumeReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async getReceiverStats(e){this.assertNotClosed(),this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertNotClosed(),this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n,protocol:s};w.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation();const e={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}w.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=l.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertNotClosed(){if(this._closed)throw new u.InvalidStateError("method called in a closed handler")}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Chrome111=v},2292:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Firefox120=void 0;const o=n(s(7363)),c=s(2994),d=s(4893),p=n(s(1765)),l=n(s(8046)),h=n(s(5544)),m=n(s(5938)),u=s(521),f=s(1305),g=s(3303),_=new c.Logger("Firefox120"),w={OS:16,MIS:2048};class b extends u.HandlerInterface{static createFactory(){return()=>new b}constructor(){super(),this._closed=!1,this._mapMidTransceiver=new Map,this._sendStream=new MediaStream,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Firefox120"}close(){if(_.debug("close()"),!this._closed){if(this._closed=!0,this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){_.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require"}),t=document.createElement("canvas");t.getContext("2d");const s=t.captureStream().getVideoTracks()[0];try{e.addTransceiver("audio",{direction:"sendrecv"}),e.addTransceiver(s,{direction:"sendrecv",sendEncodings:[{rid:"r0",maxBitrate:1e5},{rid:"r1",maxBitrate:5e5}]});const r=await e.createOffer();try{t.remove()}catch(e){}try{s.stop()}catch(e){}try{e.close()}catch(e){}const i=o.parse(r.sdp);return h.extractRtpCapabilities({sdpObject:i})}catch(r){try{t.remove()}catch(e){}try{s.stop()}catch(e){}try{e.close()}catch(e){}throw r}}async getNativeSctpCapabilities(){return _.debug("getNativeSctpCapabilities()"),{numStreams:w}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){this.assertNotClosed(),_.debug("run()"),this._direction=e,this._remoteSdp=new f.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i}),this._sendingRtpParametersByKind={audio:l.getSendingRtpParameters("audio",d),video:l.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:l.getSendingRemoteRtpParameters("audio",d),video:l.getSendingRemoteRtpParameters("video",d)},this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(_.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){throw this.assertNotClosed(),new d.UnsupportedError("not supported")}async restartIce(e){if(this.assertNotClosed(),_.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});_.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();_.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r,onRtpSender:i}){this.assertNotClosed(),this.assertSendDirection(),_.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),t&&t.length>1&&t.forEach(((e,t)=>{e.rid=`r${t}`}));const a=p.clone(this._sendingRtpParametersByKind[e.kind]);a.codecs=l.reduceCodecs(a.codecs,r);const n=p.clone(this._sendingRemoteRtpParametersByKind[e.kind]);n.codecs=l.reduceCodecs(n.codecs,r);const c=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream],sendEncodings:t});i&&i(c.sender);const d=await this._pc.createOffer();let u=o.parse(d.sdp);this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:u});const f=(0,g.parse)((t??[{}])[0].scalabilityMode);_.debug("send() | calling pc.setLocalDescription() [offer:%o]",d),await this._pc.setLocalDescription(d);const w=c.mid;a.mid=w,u=o.parse(this._pc.localDescription.sdp);const b=u.media[u.media.length-1];if(a.rtcp.cname=h.getCname({offerMediaObject:b}),t)if(1===t.length){const e=m.getRtpEncodings({offerMediaObject:b});Object.assign(e[0],t[0]),a.encodings=e}else a.encodings=t;else a.encodings=m.getRtpEncodings({offerMediaObject:b});if(a.encodings.length>1&&("video/vp8"===a.codecs[0].mimeType.toLowerCase()||"video/h264"===a.codecs[0].mimeType.toLowerCase()))for(const e of a.encodings)e.scalabilityMode?e.scalabilityMode=`L1T${f.temporalLayers}`:e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:b,offerRtpParameters:a,answerRtpParameters:n,codecOptions:s,extmapAllowMixed:!0});const v={type:"answer",sdp:this._remoteSdp.getSdp()};return _.debug("send() | calling pc.setRemoteDescription() [answer:%o]",v),await this._pc.setRemoteDescription(v),this._mapMidTransceiver.set(w,c),{localId:w,rtpParameters:a,rtpSender:c.sender}}async stopSending(e){if(this.assertSendDirection(),_.debug("stopSending() [localId:%s]",e),this._closed)return;const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated transceiver not found");t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.disableMediaSection(t.mid);const s=await this._pc.createOffer();_.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),_.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const s=await this._pc.createOffer();_.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),_.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly",this._remoteSdp.resumeSendingMediaSection(e);const s=await this._pc.createOffer();_.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?_.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):_.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");await s.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),_.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated transceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();_.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),_.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();_.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:s,protocol:i};_.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%w.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:t}),_.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};_.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],s=new Map;for(const t of e){const{trackId:e,kind:r,rtpParameters:i,streamId:a}=t;_.debug("receive() [trackId:%s, kind:%s]",e,r);const n=i.mid??String(this._mapMidTransceiver.size);s.set(e,n),this._remoteSdp.receive({mid:n,kind:r,offerRtpParameters:i,streamId:a??i.rtcp.cname,trackId:e})}const r={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",r),await this._pc.setRemoteDescription(r);for(const t of e){const{trackId:e,onRtpReceiver:r}=t;if(r){const t=s.get(e),i=this._pc.getTransceivers().find((e=>e.mid===t));if(!i)throw new Error("transceiver not found");r(i.receiver)}}let i=await this._pc.createAnswer();const a=o.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:r}=t,n=s.get(e),c=a.media.find((e=>String(e.mid)===n));h.applyCodecParameters({offerRtpParameters:r,answerMediaObject:c}),i={type:"answer",sdp:o.write(a)}}this._transportReady||await this.setupTransport({localDtlsRole:"client",localSdpObject:a}),_.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const r of e){const{trackId:e}=r,i=s.get(e),a=this._pc.getTransceivers().find((e=>e.mid===i));if(!a)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,a),t.push({localId:i,track:a.receiver.track,rtpReceiver:a.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const t of e){_.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();_.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){_.debug("pauseReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();_.debug("pauseReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async resumeReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){_.debug("resumeReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();_.debug("resumeReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async getReceiverStats(e){this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertNotClosed(),this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n,protocol:s};_.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation();const e={type:"offer",sdp:this._remoteSdp.getSdp()};_.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:"client",localSdpObject:e})}_.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=h.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertNotClosed(){if(this._closed)throw new d.InvalidStateError("method called in a closed handler")}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Firefox120=b},2994:function(e,t,s){"use strict";var r=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.Logger=void 0;const i=r(s(4646)),a="mediasoup-client";t.Logger=class{constructor(e){e?(this._debug=(0,i.default)(`${a}:${e}`),this._warn=(0,i.default)(`${a}:WARN:${e}`),this._error=(0,i.default)(`${a}:ERROR:${e}`)):(this._debug=(0,i.default)(a),this._warn=(0,i.default)(`${a}:WARN`),this._error=(0,i.default)(`${a}:ERROR`)),this._debug.log=console.info.bind(console),this._warn.log=console.warn.bind(console),this._error.log=console.error.bind(console)}get debug(){return this._debug}get warn(){return this._warn}get error(){return this._error}}},3200:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.ProfileLevelId=t.Level=t.Profile=void 0,t.parseProfileLevelId=h,t.profileLevelIdToString=m,t.profileToString=function(e){switch(e){case i.ConstrainedBaseline:return"ConstrainedBaseline";case i.Baseline:return"Baseline";case i.Main:return"Main";case i.ConstrainedHigh:return"ConstrainedHigh";case i.High:return"High";case i.PredictiveHigh444:return"PredictiveHigh444";default:return void r.warn(`profileToString() | unrecognized profile ${e}`)}},t.levelToString=function(e){switch(e){case a.L1_b:return"1b";case a.L1:return"1";case a.L1_1:return"1.1";case a.L1_2:return"1.2";case a.L1_3:return"1.3";case a.L2:return"2";case a.L2_1:return"2.1";case a.L2_2:return"2.2";case a.L3:return"3";case a.L3_1:return"3.1";case a.L3_2:return"3.2";case a.L4:return"4";case a.L4_1:return"4.1";case a.L4_2:return"4.2";case a.L5:return"5";case a.L5_1:return"5.1";case a.L5_2:return"5.2";default:return void r.warn(`levelToString() | unrecognized level ${e}`)}},t.parseSdpProfileLevelId=u,t.isSameProfile=function(e={},t={}){const s=u(e),r=u(t);return Boolean(s&&r&&s.profile===r.profile)},t.isSameProfileAndLevel=function(e={},t={}){const s=u(e),r=u(t);return Boolean(s&&r&&s.profile===r.profile&&s.level==r.level)},t.generateProfileLevelIdStringForAnswer=function(e={},t={}){if(!e["profile-level-id"]&&!t["profile-level-id"])return void r.warn("generateProfileLevelIdStringForAnswer() | profile-level-id 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i,a;!function(e){e[e.ConstrainedBaseline=1]="ConstrainedBaseline",e[e.Baseline=2]="Baseline",e[e.Main=3]="Main",e[e.ConstrainedHigh=4]="ConstrainedHigh",e[e.High=5]="High",e[e.PredictiveHigh444=6]="PredictiveHigh444"}(i||(t.Profile=i={})),function(e){e[e.L1_b=0]="L1_b",e[e.L1=10]="L1",e[e.L1_1=11]="L1_1",e[e.L1_2=12]="L1_2",e[e.L1_3=13]="L1_3",e[e.L2=20]="L2",e[e.L2_1=21]="L2_1",e[e.L2_2=22]="L2_2",e[e.L3=30]="L3",e[e.L3_1=31]="L3_1",e[e.L3_2=32]="L3_2",e[e.L4=40]="L4",e[e.L4_1=41]="L4_1",e[e.L4_2=42]="L4_2",e[e.L5=50]="L5",e[e.L5_1=51]="L5_1",e[e.L5_2=52]="L5_2"}(a||(t.Level=a={}));class n{constructor(e,t){this.profile=e,this.level=t}}t.ProfileLevelId=n;const o=new n(i.ConstrainedBaseline,a.L3_1);class c{constructor(e){this.mask=~f("x",e),this.masked_value=f("1",e)}isMatch(e){return this.masked_value===(e&this.mask)}}class d{constructor(e,t,s){this.profile_idc=e,this.profile_iop=t,this.profile=s}}const p=[new d(66,new c("x1xx0000"),i.ConstrainedBaseline),new d(77,new 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h(e){if("string"!=typeof e||6!==e.length)return;const t=parseInt(e,16);if(0===t)return;const s=255&t,i=t>>8&255,o=t>>16&255;let c;switch(s){case a.L1_1:c=16&i?a.L1_b:a.L1_1;break;case a.L1:case a.L1_2:case a.L1_3:case a.L2:case a.L2_1:case a.L2_2:case a.L3:case a.L3_1:case a.L3_2:case a.L4:case a.L4_1:case a.L4_2:case a.L5:case a.L5_1:case a.L5_2:c=s;break;default:return void r.warn(`parseProfileLevelId() | unrecognized level_idc [str:${e}, level_idc:${s}]`)}for(const t of p)if(o===t.profile_idc&&t.profile_iop.isMatch(i))return r.debug(`parseProfileLevelId() | result [str:${e}, profile:${t.profile}, level:${c}]`),new n(t.profile,c);r.warn(`parseProfileLevelId() | unrecognized profile_idc/profile_iop combination [str:${e}, profile_idc:${o}, profile_iop:${i}]`)}function m(e){if(e.level==a.L1_b)switch(e.profile){case i.ConstrainedBaseline:return"42f00b";case i.Baseline:return"42100b";case i.Main:return"4d100b";default:return void r.warn(`profileLevelIdToString() | Level 1_b not is allowed 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r=c.clone(e.rtcpFeedback)??[];if(l){const{opusStereo:t,opusFec:i,opusDtx:a,opusMaxPlaybackRate:n,opusMaxAverageBitrate:c,opusPtime:d,opusNack:p,videoGoogleStartBitrate:h,videoGoogleMaxBitrate:m,videoGoogleMinBitrate:u}=l,f=o.codecs.find((t=>t.payloadType===e.payloadType));switch(e.mimeType.toLowerCase()){case"audio/opus":case"audio/multiopus":void 0!==t&&(f.parameters["sprop-stereo"]=t?1:0,s.stereo=t?1:0),void 0!==i&&(f.parameters.useinbandfec=i?1:0,s.useinbandfec=i?1:0),void 0!==a&&(f.parameters.usedtx=a?1:0,s.usedtx=a?1:0),void 0!==n&&(s.maxplaybackrate=n),void 0!==c&&(s.maxaveragebitrate=c),void 0!==d&&(f.parameters.ptime=d,s.ptime=d),p||(f.rtcpFeedback=f.rtcpFeedback.filter((e=>"nack"!==e.type||e.parameter)),r=r.filter((e=>"nack"!==e.type||e.parameter)));break;case"video/vp8":case"video/vp9":case"video/h264":case"video/h265":void 0!==h&&(s["x-google-start-bitrate"]=h),void 0!==m&&(s["x-google-max-bitrate"]=m),void 0!==u&&(s["x-google-min-bitrate"]=u)}}const i={payload:e.payloadType,config:""};for(const e of Object.keys(s))i.config&&(i.config+=";"),i.config+=`${e}=${s[e]}`;i.config&&this._mediaObject.fmtp.push(i);for(const t of r)this._mediaObject.rtcpFb.push({payload:e.payloadType,type:t.type,subtype:t.parameter})}this._mediaObject.payloads=d.codecs.map((e=>e.payloadType)).join(" "),this._mediaObject.ext=[];for(const e of d.headerExtensions)(n.ext??[]).some((t=>t.uri===e.uri))&&this._mediaObject.ext.push({uri:e.uri,value:e.id});if(h&&"extmap-allow-mixed"===n.extmapAllowMixed&&(this._mediaObject.extmapAllowMixed="extmap-allow-mixed"),n.simulcast){this._mediaObject.simulcast={dir1:"recv",list1:n.simulcast.list1},this._mediaObject.rids=[];for(const e of n.rids??[])"send"===e.direction&&this._mediaObject.rids.push({id:e.id,direction:"recv"})}else if(n.simulcast_03){this._mediaObject.simulcast_03={value:n.simulcast_03.value.replace(/send/g,"recv")},this._mediaObject.rids=[];for(const e of n.rids??[])"send"===e.direction&&this._mediaObject.rids.push({id:e.id,direction:"recv"})}this._mediaObject.rtcpMux="rtcp-mux",this._mediaObject.rtcpRsize="rtcp-rsize",this._planB&&"video"===this._mediaObject.type&&(this._mediaObject.xGoogleFlag="conference");break;case"application":"number"==typeof n.sctpPort?(this._mediaObject.payloads="webrtc-datachannel",this._mediaObject.sctpPort=r.port,this._mediaObject.maxMessageSize=r.maxMessageSize):n.sctpmap&&(this._mediaObject.payloads=r.port,this._mediaObject.sctpmap={app:"webrtc-datachannel",sctpmapNumber:r.port,maxMessageSize:r.maxMessageSize})}}setDtlsRole(e){switch(e){case"client":this._mediaObject.setup="active";break;case"server":this._mediaObject.setup="passive";break;case"auto":this._mediaObject.setup="actpass"}}resume(){this._mediaObject.direction="recvonly"}muxSimulcastStreams(e){if(!this._mediaObject.simulcast?.list1)return;const t={};for(const s of e)s.rid&&(t[s.rid]=s);const s=this._mediaObject.simulcast.list1,r=o.parseSimulcastStreamList(s);for(const e of r)for(const s of e)s.paused=!t[s.scid]?.active;this._mediaObject.simulcast.list1=r.map((e=>e.map((e=>`${e.paused?"~":""}${e.scid}`)).join(","))).join(";")}},t.OfferMediaSection=class extends d{constructor({iceParameters:e,iceCandidates:t,dtlsParameters:s,sctpParameters:r,plainRtpParameters:i,planB:a=!1,mid:n,kind:o,offerRtpParameters:c,streamId:d,trackId:l,oldDataChannelSpec:h=!1}){switch(super({iceParameters:e,iceCandidates:t,dtlsParameters:s,planB:a}),this._mediaObject.mid=String(n),this._mediaObject.type=o,i?(this._mediaObject.connection={ip:i.ip,version:i.ipVersion},this._mediaObject.protocol="RTP/AVP",this._mediaObject.port=i.port):(this._mediaObject.connection={ip:"127.0.0.1",version:4},this._mediaObject.protocol=r?"UDP/DTLS/SCTP":"UDP/TLS/RTP/SAVPF",this._mediaObject.port=7),o){case"audio":case"video":{this._mediaObject.direction="sendonly",this._mediaObject.rtp=[],this._mediaObject.rtcpFb=[],this._mediaObject.fmtp=[],this._planB||(this._mediaObject.msid=`${d??"-"} ${l}`);for(const e of c.codecs){const t={payload:e.payloadType,codec:p(e),rate:e.clockRate};e.channels>1&&(t.encoding=e.channels),this._mediaObject.rtp.push(t);const s={payload:e.payloadType,config:""};for(const t of Object.keys(e.parameters))s.config&&(s.config+=";"),s.config+=`${t}=${e.parameters[t]}`;s.config&&this._mediaObject.fmtp.push(s);for(const t of e.rtcpFeedback)this._mediaObject.rtcpFb.push({payload:e.payloadType,type:t.type,subtype:t.parameter})}this._mediaObject.payloads=c.codecs.map((e=>e.payloadType)).join(" "),this._mediaObject.ext=[];for(const e of c.headerExtensions)this._mediaObject.ext.push({uri:e.uri,value:e.id});this._mediaObject.rtcpMux="rtcp-mux",this._mediaObject.rtcpRsize="rtcp-rsize";const e=c.encodings[0],t=e.ssrc,s=e.rtx?.ssrc;this._mediaObject.ssrcs=[],this._mediaObject.ssrcGroups=[],c.rtcp.cname&&this._mediaObject.ssrcs.push({id:t,attribute:"cname",value:c.rtcp.cname}),this._planB&&this._mediaObject.ssrcs.push({id:t,attribute:"msid",value:`${d??"-"} ${l}`}),s&&(c.rtcp.cname&&this._mediaObject.ssrcs.push({id:s,attribute:"cname",value:c.rtcp.cname}),this._planB&&this._mediaObject.ssrcs.push({id:s,attribute:"msid",value:`${d??"-"} ${l}`}),this._mediaObject.ssrcGroups.push({semantics:"FID",ssrcs:`${t} ${s}`}));break}case"application":h?(this._mediaObject.payloads=r.port,this._mediaObject.sctpmap={app:"webrtc-datachannel",sctpmapNumber:r.port,maxMessageSize:r.maxMessageSize}):(this._mediaObject.payloads="webrtc-datachannel",this._mediaObject.sctpPort=r.port,this._mediaObject.maxMessageSize=r.maxMessageSize)}}setDtlsRole(e){this._mediaObject.setup="actpass"}resume(){this._mediaObject.direction="sendonly"}planBReceive({offerRtpParameters:e,streamId:t,trackId:s}){const r=e.encodings[0],i=r.ssrc,a=r.rtx?.ssrc,n=this._mediaObject.payloads.split(" ");for(const t of e.codecs){if(n.includes(String(t.payloadType)))continue;const e={payload:t.payloadType,codec:p(t),rate:t.clockRate};t.channels>1&&(e.encoding=t.channels),this._mediaObject.rtp.push(e);const s={payload:t.payloadType,config:""};for(const e of Object.keys(t.parameters))s.config&&(s.config+=";"),s.config+=`${e}=${t.parameters[e]}`;s.config&&this._mediaObject.fmtp.push(s);for(const e of t.rtcpFeedback)this._mediaObject.rtcpFb.push({payload:t.payloadType,type:e.type,subtype:e.parameter})}this._mediaObject.payloads+=` ${e.codecs.filter((e=>!this._mediaObject.payloads.includes(e.payloadType))).map((e=>e.payloadType)).join(" ")}`,this._mediaObject.payloads=this._mediaObject.payloads.trim(),e.rtcp.cname&&this._mediaObject.ssrcs.push({id:i,attribute:"cname",value:e.rtcp.cname}),this._mediaObject.ssrcs.push({id:i,attribute:"msid",value:`${t??"-"} ${s}`}),a&&(e.rtcp.cname&&this._mediaObject.ssrcs.push({id:a,attribute:"cname",value:e.rtcp.cname}),this._mediaObject.ssrcs.push({id:a,attribute:"msid",value:`${t??"-"} ${s}`}),this._mediaObject.ssrcGroups.push({semantics:"FID",ssrcs:`${i} ${a}`}))}planBStopReceiving({offerRtpParameters:e}){const t=e.encodings[0],s=t.ssrc,r=t.rtx?.ssrc;this._mediaObject.ssrcs=this._mediaObject.ssrcs.filter((e=>e.id!==s&&e.id!==r)),r&&(this._mediaObject.ssrcGroups=this._mediaObject.ssrcGroups.filter((e=>e.ssrcs!==`${s} ${r}`)))}}},3518:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Consumer=void 0;const r=s(2994),i=s(3953),a=s(4893),n=new r.Logger("Consumer");class o extends i.EnhancedEventEmitter{constructor({id:e,localId:t,producerId:s,rtpReceiver:r,track:a,rtpParameters:o,appData:c}){super(),this._closed=!1,this._observer=new i.EnhancedEventEmitter,n.debug("constructor()"),this._id=e,this._localId=t,this._producerId=s,this._rtpReceiver=r,this._track=a,this._rtpParameters=o,this._paused=!a.enabled,this._appData=c??{},this.onTrackEnded=this.onTrackEnded.bind(this),this.handleTrack()}get id(){return this._id}get localId(){return this._localId}get producerId(){return this._producerId}get closed(){return this._closed}get kind(){return this._track.kind}get rtpReceiver(){return this._rtpReceiver}get track(){return this._track}get rtpParameters(){return this._rtpParameters}get paused(){return this._paused}get appData(){return this._appData}set appData(e){this._appData=e}get observer(){return this._observer}close(){this._closed||(n.debug("close()"),this._closed=!0,this.destroyTrack(),this.emit("@close"),this._observer.safeEmit("close"))}transportClosed(){this._closed||(n.debug("transportClosed()"),this._closed=!0,this.destroyTrack(),this.safeEmit("transportclose"),this._observer.safeEmit("close"))}async getStats(){if(this._closed)throw new a.InvalidStateError("closed");return new Promise(((e,t)=>{this.safeEmit("@getstats",e,t)}))}pause(){n.debug("pause()"),this._closed?n.error("pause() | Consumer closed"):this._paused?n.debug("pause() | Consumer is already paused"):(this._paused=!0,this._track.enabled=!1,this.emit("@pause"),this._observer.safeEmit("pause"))}resume(){n.debug("resume()"),this._closed?n.error("resume() | Consumer closed"):this._paused?(this._paused=!1,this._track.enabled=!0,this.emit("@resume"),this._observer.safeEmit("resume")):n.debug("resume() | Consumer is already resumed")}onTrackEnded(){n.debug('track "ended" event'),this.safeEmit("trackended"),this._observer.safeEmit("trackended")}handleTrack(){this._track.addEventListener("ended",this.onTrackEnded)}destroyTrack(){try{this._track.removeEventListener("ended",this.onTrackEnded),this._track.stop()}catch(e){}}}t.Consumer=o},3552:e=>{var t=1e3,s=60*t,r=60*s,i=24*r,a=7*i;function n(e,t,s,r){var i=t>=1.5*s;return Math.round(e/s)+" "+r+(i?"s":"")}e.exports=function(e,o){o=o||{};var c,d,p=typeof e;if("string"===p&&e.length>0)return function(e){if(!((e=String(e)).length>100)){var n=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(e);if(n){var o=parseFloat(n[1]);switch((n[2]||"ms").toLowerCase()){case"years":case"year":case"yrs":case"yr":case"y":return 315576e5*o;case"weeks":case"week":case"w":return o*a;case"days":case"day":case"d":return o*i;case"hours":case"hour":case"hrs":case"hr":case"h":return o*r;case"minutes":case"minute":case"mins":case"min":case"m":return o*s;case"seconds":case"second":case"secs":case"sec":case"s":return o*t;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return o;default:return}}}}(e);if("number"===p&&isFinite(e))return o.long?(c=e,(d=Math.abs(c))>=i?n(c,d,i,"day"):d>=r?n(c,d,r,"hour"):d>=s?n(c,d,s,"minute"):d>=t?n(c,d,t,"second"):c+" ms"):function(e){var a=Math.abs(e);return a>=i?Math.round(e/i)+"d":a>=r?Math.round(e/r)+"h":a>=s?Math.round(e/s)+"m":a>=t?Math.round(e/t)+"s":e+"ms"}(e);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(e))}},3582:function(e,t,s){"use strict";var r=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.Logger=void 0;const i=r(s(1970)),a="h264-profile-level-id";t.Logger=class{constructor(e){e?(this._debug=(0,i.default)(`${a}:${e}`),this._warn=(0,i.default)(`${a}:WARN:${e}`),this._error=(0,i.default)(`${a}:ERROR:${e}`)):(this._debug=(0,i.default)(a),this._warn=(0,i.default)(`${a}:WARN`),this._error=(0,i.default)(`${a}:ERROR`)),this._debug.log=console.info.bind(console),this._warn.log=console.warn.bind(console),this._error.log=console.error.bind(console)}get debug(){return this._debug}get warn(){return this._warn}get error(){return this._error}}},3804:(e,t,s)=>{var r=s(5602),i=/%[sdv%]/g,a=function(e){var t=1,s=arguments,r=s.length;return e.replace(i,(function(e){if(t>=r)return e;var i=s[t];switch(t+=1,e){case"%%":return"%";case"%s":return String(i);case"%d":return Number(i);case"%v":return""}}))},n=function(e,t,s){var r=[e+"="+(t.format instanceof Function?t.format(t.push?s:s[t.name]):t.format)];if(t.names)for(var i=0;i<t.names.length;i+=1){var n=t.names[i];t.name?r.push(s[t.name][n]):r.push(s[t.names[i]])}else r.push(s[t.name]);return a.apply(null,r)},o=["v","o","s","i","u","e","p","c","b","t","r","z","a"],c=["i","c","b","a"];e.exports=function(e,t){t=t||{},null==e.version&&(e.version=0),null==e.name&&(e.name=" "),e.media.forEach((function(e){null==e.payloads&&(e.payloads="")}));var s=t.outerOrder||o,i=t.innerOrder||c,a=[];return s.forEach((function(t){r[t].forEach((function(s){s.name in e&&null!=e[s.name]?a.push(n(t,s,e)):s.push in e&&null!=e[s.push]&&e[s.push].forEach((function(e){a.push(n(t,s,e))}))}))})),e.media.forEach((function(e){a.push(n("m",r.m[0],e)),i.forEach((function(t){r[t].forEach((function(s){s.name in e&&null!=e[s.name]?a.push(n(t,s,e)):s.push in e&&null!=e[s.push]&&e[s.push].forEach((function(e){a.push(n(t,s,e))}))}))}))})),a.join("\r\n")+"\r\n"}},3953:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.EnhancedEventEmitter=void 0;const r=s(9596),i=new(s(2994).Logger)("EnhancedEventEmitter");class a extends r.EventEmitter{constructor(){super(),this.setMaxListeners(1/0)}emit(e,...t){return super.emit(e,...t)}safeEmit(e,...t){try{return super.emit(e,...t)}catch(t){i.error("safeEmit() | event listener threw an error [eventName:%s]:%o",e,t);try{super.emit("listenererror",e,t)}catch(e){}return Boolean(super.listenerCount(e))}}on(e,t){return super.on(e,t),this}off(e,t){return super.off(e,t),this}addListener(e,t){return super.on(e,t),this}prependListener(e,t){return super.prependListener(e,t),this}once(e,t){return super.once(e,t),this}prependOnceListener(e,t){return super.prependOnceListener(e,t),this}removeListener(e,t){return super.off(e,t),this}removeAllListeners(e){return super.removeAllListeners(e),this}listenerCount(e){return super.listenerCount(e)}listeners(e){return super.listeners(e)}rawListeners(e){return super.rawListeners(e)}}t.EnhancedEventEmitter=a},4039:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.ReactNativeUnifiedPlan=void 0;const o=n(s(7363)),c=s(2994),d=n(s(1765)),p=n(s(8046)),l=n(s(5544)),h=n(s(5938)),m=n(s(4256)),u=s(4893),f=s(521),g=s(1305),_=s(3303),w=new c.Logger("ReactNativeUnifiedPlan"),b={OS:1024,MIS:1024};class v extends f.HandlerInterface{static createFactory(){return()=>new v}constructor(){super(),this._closed=!1,this._mapMidTransceiver=new Map,this._sendStream=new MediaStream,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"ReactNativeUnifiedPlan"}close(){if(w.debug("close()"),!this._closed){if(this._closed=!0,this._sendStream.release(!1),this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){w.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan"});try{e.addTransceiver("audio"),e.addTransceiver("video");const t=await e.createOffer();try{e.close()}catch(e){}const s=o.parse(t.sdp),r=l.extractRtpCapabilities({sdpObject:s});return m.addNackSupportForOpus(r),r}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return w.debug("getNativeSctpCapabilities()"),{numStreams:b}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){this.assertNotClosed(),w.debug("run()"),this._direction=e,this._remoteSdp=new g.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i}),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",d),video:p.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:p.getSendingRemoteRtpParameters("audio",d),video:p.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(w.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){this.assertNotClosed(),w.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(this.assertNotClosed(),w.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});w.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();w.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r,onRtpSender:i}){this.assertNotClosed(),this.assertSendDirection(),w.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),t&&t.length>1&&t.forEach(((e,t)=>{e.rid=`r${t}`}));const a=d.clone(this._sendingRtpParametersByKind[e.kind]);a.codecs=p.reduceCodecs(a.codecs,r);const n=d.clone(this._sendingRemoteRtpParametersByKind[e.kind]);n.codecs=p.reduceCodecs(n.codecs,r);const c=this._remoteSdp.getNextMediaSectionIdx(),m=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream],sendEncodings:t});i&&i(m.sender);let u,f=await this._pc.createOffer(),g=o.parse(f.sdp);this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:g});let b=!1;const v=(0,_.parse)((t??[{}])[0].scalabilityMode);t&&1===t.length&&v.spatialLayers>1&&"video/vp9"===a.codecs[0].mimeType.toLowerCase()&&(w.debug("send() | enabling legacy simulcast for VP9 SVC"),b=!0,g=o.parse(f.sdp),u=g.media[c.idx],h.addLegacySimulcast({offerMediaObject:u,numStreams:v.spatialLayers}),f={type:"offer",sdp:o.write(g)}),w.debug("send() | calling pc.setLocalDescription() [offer:%o]",f),await this._pc.setLocalDescription(f);let y=m.mid??void 0;if(y||w.warn("send() | missing transceiver.mid (bug in react-native-webrtc, using a workaround"),a.mid=y,g=o.parse(this._pc.localDescription.sdp),u=g.media[c.idx],a.rtcp.cname=l.getCname({offerMediaObject:u}),t)if(1===t.length){let e=h.getRtpEncodings({offerMediaObject:u});Object.assign(e[0],t[0]),b&&(e=[e[0]]),a.encodings=e}else a.encodings=t;else a.encodings=h.getRtpEncodings({offerMediaObject:u});if(a.encodings.length>1&&("video/vp8"===a.codecs[0].mimeType.toLowerCase()||"video/h264"===a.codecs[0].mimeType.toLowerCase()))for(const e of a.encodings)e.scalabilityMode?e.scalabilityMode=`L1T${v.temporalLayers}`:e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:u,reuseMid:c.reuseMid,offerRtpParameters:a,answerRtpParameters:n,codecOptions:s,extmapAllowMixed:!0});const S={type:"answer",sdp:this._remoteSdp.getSdp()};return w.debug("send() | calling pc.setRemoteDescription() [answer:%o]",S),await this._pc.setRemoteDescription(S),y||(y=m.mid,a.mid=y),this._mapMidTransceiver.set(y,m),{localId:y,rtpParameters:a,rtpSender:m.sender}}async stopSending(e){if(this.assertSendDirection(),this._closed)return;w.debug("stopSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");if(t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.closeMediaSection(t.mid))try{t.stop()}catch(e){}const s=await this._pc.createOffer();w.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const s=await this._pc.createOffer();w.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(this._remoteSdp.resumeSendingMediaSection(e),!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly";const s=await this._pc.createOffer();w.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?w.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):w.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");await s.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:s,protocol:i};w.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%b.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),w.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("sendDataChannel() | calling 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0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Chrome70=void 0;const o=n(s(7363)),c=s(2994),d=n(s(1765)),p=n(s(8046)),l=n(s(5544)),h=n(s(5938)),m=s(521),u=s(1305),f=s(3303),g=new c.Logger("Chrome70"),_={OS:1024,MIS:1024};class w extends m.HandlerInterface{static createFactory(){return()=>new w}constructor(){super(),this._mapMidTransceiver=new Map,this._sendStream=new MediaStream,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Chrome70"}close(){if(g.debug("close()"),this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}async getNativeRtpCapabilities(){g.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan"});try{e.addTransceiver("audio"),e.addTransceiver("video");const t=await e.createOffer();try{e.close()}catch(e){}const s=o.parse(t.sdp);return l.extractRtpCapabilities({sdpObject:s})}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return g.debug("getNativeSctpCapabilities()"),{numStreams:_}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){g.debug("run()"),this._direction=e,this._remoteSdp=new u.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i}),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",d),video:p.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:p.getSendingRemoteRtpParameters("audio",d),video:p.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"unified-plan",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(g.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){g.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(g.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});g.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();g.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){this.assertSendDirection(),g.debug("send() [kind:%s, track.id:%s]",e.kind,e.id);const i=d.clone(this._sendingRtpParametersByKind[e.kind]);i.codecs=p.reduceCodecs(i.codecs,r);const a=d.clone(this._sendingRemoteRtpParametersByKind[e.kind]);a.codecs=p.reduceCodecs(a.codecs,r);const n=this._remoteSdp.getNextMediaSectionIdx(),c=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream]});let m,u=await this._pc.createOffer(),_=o.parse(u.sdp);this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:_}),t&&t.length>1&&(g.debug("send() | enabling legacy simulcast"),_=o.parse(u.sdp),m=_.media[n.idx],h.addLegacySimulcast({offerMediaObject:m,numStreams:t.length}),u={type:"offer",sdp:o.write(_)});let w=!1;const b=(0,f.parse)((t??[{}])[0].scalabilityMode);if(t&&1===t.length&&b.spatialLayers>1&&"video/vp9"===i.codecs[0].mimeType.toLowerCase()&&(g.debug("send() | enabling legacy simulcast for VP9 SVC"),w=!0,_=o.parse(u.sdp),m=_.media[n.idx],h.addLegacySimulcast({offerMediaObject:m,numStreams:b.spatialLayers}),u={type:"offer",sdp:o.write(_)}),g.debug("send() | calling pc.setLocalDescription() [offer:%o]",u),await this._pc.setLocalDescription(u),t){g.debug("send() | applying given encodings");const e=c.sender.getParameters();for(let s=0;s<(e.encodings??[]).length;++s){const r=e.encodings[s],i=t[s];if(!i)break;e.encodings[s]=Object.assign(r,i)}await c.sender.setParameters(e)}const v=c.mid;if(i.mid=v,_=o.parse(this._pc.localDescription.sdp),m=_.media[n.idx],i.rtcp.cname=l.getCname({offerMediaObject:m}),i.encodings=h.getRtpEncodings({offerMediaObject:m}),t)for(let e=0;e<i.encodings.length;++e)t[e]&&Object.assign(i.encodings[e],t[e]);if(w&&(i.encodings=[i.encodings[0]]),i.encodings.length>1&&("video/vp8"===i.codecs[0].mimeType.toLowerCase()||"video/h264"===i.codecs[0].mimeType.toLowerCase()))for(const e of i.encodings)e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:m,reuseMid:n.reuseMid,offerRtpParameters:i,answerRtpParameters:a,codecOptions:s});const y={type:"answer",sdp:this._remoteSdp.getSdp()};return g.debug("send() | calling pc.setRemoteDescription() [answer:%o]",y),await this._pc.setRemoteDescription(y),this._mapMidTransceiver.set(v,c),{localId:v,rtpParameters:i,rtpSender:c.sender}}async stopSending(e){this.assertSendDirection(),g.debug("stopSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");if(t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.closeMediaSection(t.mid))try{t.stop()}catch(e){}const s=await this._pc.createOffer();g.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._mapMidTransceiver.delete(e)}async pauseSending(e){}async resumeSending(e){}async replaceTrack(e,t){this.assertSendDirection(),t?g.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):g.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");await s.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertSendDirection(),g.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();g.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async setRtpEncodingParameters(e,t){this.assertSendDirection(),g.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();g.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async getSenderStats(e){this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmitTime:t,maxRetransmits:s,protocol:i};g.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%_.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),g.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertRecvDirection();const t=[],s=new Map;for(const t of e){const{trackId:e,kind:r,rtpParameters:i,streamId:a}=t;g.debug("receive() [trackId:%s, kind:%s]",e,r);const n=i.mid??String(this._mapMidTransceiver.size);s.set(e,n),this._remoteSdp.receive({mid:n,kind:r,offerRtpParameters:i,streamId:a??i.rtcp.cname,trackId:e})}const r={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",r),await this._pc.setRemoteDescription(r);let i=await this._pc.createAnswer();const a=o.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:r}=t,i=s.get(e),n=a.media.find((e=>String(e.mid)===i));l.applyCodecParameters({offerRtpParameters:r,answerMediaObject:n})}i={type:"answer",sdp:o.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),g.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const r of e){const{trackId:e}=r,i=s.get(e),a=this._pc.getTransceivers().find((e=>e.mid===i));if(!a)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,a),t.push({localId:i,track:a.receiver.track,rtpReceiver:a.receiver})}return t}async stopReceiving(e){this.assertRecvDirection();for(const t of e){g.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();g.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){}async resumeReceiving(e){}async getReceiverStats(e){this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmitTime:a,maxRetransmits:n,protocol:s};g.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation();const e={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}g.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=l.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Chrome70=w},5544:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.extractRtpCapabilities=function({sdpObject:e}){const t=new Map,s=[];let r=!1,i=!1;for(const a of e.media){const e=a.type;switch(e){case"audio":if(r)continue;r=!0;break;case"video":if(i)continue;i=!0;break;default:continue}for(const s of a.rtp){const r={kind:e,mimeType:`${e}/${s.codec}`,preferredPayloadType:s.payload,clockRate:s.rate,channels:s.encoding,parameters:{},rtcpFeedback:[]};t.set(r.preferredPayloadType,r)}for(const e of a.fmtp??[]){const s=o.parseParams(e.config),r=t.get(e.payload);r&&(s?.hasOwnProperty("profile-level-id")&&(s["profile-level-id"]=String(s["profile-level-id"])),r.parameters=s)}for(const s of a.rtcpFb??[]){const r={type:s.type,parameter:s.subtype};if(r.parameter||delete r.parameter,"*"!==s.payload){const e=t.get(s.payload);if(!e)continue;e.rtcpFeedback.push(r)}else for(const s of t.values())s.kind!==e||/.+\/rtx$/i.test(s.mimeType)||s.rtcpFeedback.push(r)}for(const t of a.ext??[]){if(t["encrypt-uri"])continue;const r={kind:e,uri:t.uri,preferredId:t.value};s.push(r)}}return{codecs:Array.from(t.values()),headerExtensions:s}},t.extractDtlsParameters=function({sdpObject:e}){let t,s=e.setup,r=e.fingerprint;if(!s||!r){const t=(e.media??[]).find((e=>0!==e.port));t&&(s??(s=t.setup),r??(r=t.fingerprint))}if(!s)throw new Error("no a=setup found at SDP session or media level");if(!r)throw new Error("no a=fingerprint found at SDP session or media level");switch(s){case"active":t="client";break;case"passive":t="server";break;case"actpass":t="auto"}return{role:t,fingerprints:[{algorithm:r.type,value:r.hash}]}},t.getCname=function({offerMediaObject:e}){const t=(e.ssrcs??[]).find((e=>"cname"===e.attribute));return t?t.value:""},t.applyCodecParameters=function({offerRtpParameters:e,answerMediaObject:t}){for(const s of e.codecs){const e=s.mimeType.toLowerCase();if("audio/opus"!==e)continue;if(!(t.rtp??[]).find((e=>e.payload===s.payloadType)))continue;t.fmtp=t.fmtp??[];let r=t.fmtp.find((e=>e.payload===s.payloadType));r||(r={payload:s.payloadType,config:""},t.fmtp.push(r));const i=o.parseParams(r.config);switch(e){case"audio/opus":{const e=s.parameters["sprop-stereo"];void 0!==e&&(i.stereo=Number(e)?1:0);break}}r.config="";for(const e of Object.keys(i))r.config&&(r.config+=";"),r.config+=`${e}=${i[e]}`}};const o=n(s(7363))},5601:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t}),o=this&&this.__importDefault||function(e){return e&&e.__esModule?e:{default:e}};Object.defineProperty(t,"__esModule",{value:!0}),t.Transport=void 0;const c=s(8876),d=o(s(7215)),p=s(2994),l=s(3953),h=s(4893),m=n(s(1765)),u=n(s(8046)),f=s(9792),g=s(3518),_=s(7504),w=s(9166),b=new p.Logger("Transport");class v{constructor(e){this.consumerOptions=e,this.promise=new Promise(((e,t)=>{this.resolve=e,this.reject=t}))}}class y extends l.EnhancedEventEmitter{constructor({direction:e,id:t,iceParameters:s,iceCandidates:r,dtlsParameters:i,sctpParameters:a,iceServers:n,iceTransportPolicy:o,additionalSettings:d,proprietaryConstraints:p,appData:h,handlerFactory:u,extendedRtpCapabilities:f,canProduceByKind:g}){super(),this._closed=!1,this._iceGatheringState="new",this._connectionState="new",this._producers=new Map,this._consumers=new Map,this._dataProducers=new Map,this._dataConsumers=new Map,this._probatorConsumerCreated=!1,this._awaitQueue=new c.AwaitQueue,this._pendingConsumerTasks=[],this._consumerCreationInProgress=!1,this._pendingPauseConsumers=new Map,this._consumerPauseInProgress=!1,this._pendingResumeConsumers=new Map,this._consumerResumeInProgress=!1,this._pendingCloseConsumers=new Map,this._consumerCloseInProgress=!1,this._observer=new l.EnhancedEventEmitter,b.debug("constructor() [id:%s, direction:%s]",t,e),this._id=t,this._direction=e,this._extendedRtpCapabilities=f,this._canProduceByKind=g,this._maxSctpMessageSize=a?a.maxMessageSize:null;const _=m.clone(d)??{};delete _.iceServers,delete _.iceTransportPolicy,delete _.bundlePolicy,delete _.rtcpMuxPolicy,delete _.sdpSemantics,this._handler=u(),this._handler.run({direction:e,iceParameters:s,iceCandidates:r,dtlsParameters:i,sctpParameters:a,iceServers:n,iceTransportPolicy:o,additionalSettings:_,proprietaryConstraints:p,extendedRtpCapabilities:f}),this._appData=h??{},this.handleHandler()}get id(){return this._id}get closed(){return this._closed}get direction(){return this._direction}get handler(){return this._handler}get iceGatheringState(){return this._iceGatheringState}get connectionState(){return this._connectionState}get appData(){return this._appData}set appData(e){this._appData=e}get observer(){return this._observer}close(){if(!this._closed){b.debug("close()"),this._closed=!0,this._awaitQueue.stop(),this._handler.close(),this._connectionState="closed";for(const e of this._producers.values())e.transportClosed();this._producers.clear();for(const e of this._consumers.values())e.transportClosed();this._consumers.clear();for(const e of this._dataProducers.values())e.transportClosed();this._dataProducers.clear();for(const e of this._dataConsumers.values())e.transportClosed();this._dataConsumers.clear(),this._observer.safeEmit("close")}}async getStats(){if(this._closed)throw new h.InvalidStateError("closed");return this._handler.getTransportStats()}async restartIce({iceParameters:e}){if(b.debug("restartIce()"),this._closed)throw new h.InvalidStateError("closed");if(!e)throw new TypeError("missing iceParameters");return this._awaitQueue.push((async()=>await this._handler.restartIce(e)),"transport.restartIce()")}async updateIceServers({iceServers:e}={}){if(b.debug("updateIceServers()"),this._closed)throw new h.InvalidStateError("closed");if(!Array.isArray(e))throw new TypeError("missing iceServers");return this._awaitQueue.push((async()=>this._handler.updateIceServers(e)),"transport.updateIceServers()")}async produce({track:e,encodings:t,codecOptions:s,codec:r,stopTracks:i=!0,disableTrackOnPause:a=!0,zeroRtpOnPause:n=!1,onRtpSender:o,appData:c={}}={}){if(b.debug("produce() [track:%o]",e),this._closed)throw new h.InvalidStateError("closed");if(!e)throw new TypeError("missing track");if("send"!==this._direction)throw new h.UnsupportedError("not a sending Transport");if(!this._canProduceByKind[e.kind])throw new h.UnsupportedError(`cannot produce ${e.kind}`);if("ended"===e.readyState)throw new h.InvalidStateError("track ended");if(0===this.listenerCount("connect")&&"new"===this._connectionState)throw new TypeError('no "connect" listener set into this transport');if(0===this.listenerCount("produce"))throw new TypeError('no "produce" listener set into this transport');if(c&&"object"!=typeof c)throw new TypeError("if given, appData must be an object");return this._awaitQueue.push((async()=>{let d;if(t&&!Array.isArray(t))throw TypeError("encodings must be an array");t&&0===t.length?d=void 0:t&&(d=t.map((e=>{const t={active:!0};return!1===e.active&&(t.active=!1),"boolean"==typeof e.dtx&&(t.dtx=e.dtx),"string"==typeof e.scalabilityMode&&(t.scalabilityMode=e.scalabilityMode),"number"==typeof e.scaleResolutionDownBy&&(t.scaleResolutionDownBy=e.scaleResolutionDownBy),"number"==typeof e.maxBitrate&&(t.maxBitrate=e.maxBitrate),"number"==typeof e.maxFramerate&&(t.maxFramerate=e.maxFramerate),"boolean"==typeof e.adaptivePtime&&(t.adaptivePtime=e.adaptivePtime),"string"==typeof e.priority&&(t.priority=e.priority),"string"==typeof e.networkPriority&&(t.networkPriority=e.networkPriority),t})));const{localId:p,rtpParameters:l,rtpSender:h}=await this._handler.send({track:e,encodings:d,codecOptions:s,codec:r,onRtpSender:o});try{u.validateRtpParameters(l);const{id:t}=await new Promise(((t,s)=>{this.safeEmit("produce",{kind:e.kind,rtpParameters:l,appData:c},t,s)})),s=new f.Producer({id:t,localId:p,rtpSender:h,track:e,rtpParameters:l,stopTracks:i,disableTrackOnPause:a,zeroRtpOnPause:n,appData:c});return this._producers.set(s.id,s),this.handleProducer(s),this._observer.safeEmit("newproducer",s),s}catch(e){throw this._handler.stopSending(p).catch((()=>{})),e}}),"transport.produce()").catch((t=>{if(i)try{e.stop()}catch(e){}throw t}))}async consume({id:e,producerId:t,kind:s,rtpParameters:r,streamId:i,onRtpReceiver:a,appData:n={}}){if(b.debug("consume()"),this._closed)throw new h.InvalidStateError("closed");if("recv"!==this._direction)throw new h.UnsupportedError("not a receiving Transport");if("string"!=typeof e)throw new TypeError("missing id");if("string"!=typeof t)throw new TypeError("missing producerId");if("audio"!==s&&"video"!==s)throw new TypeError(`invalid kind '${s}'`);if(0===this.listenerCount("connect")&&"new"===this._connectionState)throw new TypeError('no "connect" listener set into this transport');if(n&&"object"!=typeof n)throw new TypeError("if given, appData must be an object");const o=m.clone(r);if(!u.canReceive(o,this._extendedRtpCapabilities))throw new h.UnsupportedError("cannot consume this Producer");const c=new v({id:e,producerId:t,kind:s,rtpParameters:o,streamId:i,onRtpReceiver:a,appData:n});return this._pendingConsumerTasks.push(c),(0,d.default)((()=>{this._closed||!1===this._consumerCreationInProgress&&this.createPendingConsumers()})),c.promise}async produceData({ordered:e=!0,maxPacketLifeTime:t,maxRetransmits:s,label:r="",protocol:i="",appData:a={}}={}){if(b.debug("produceData()"),this._closed)throw new h.InvalidStateError("closed");if("send"!==this._direction)throw new h.UnsupportedError("not a sending Transport");if(!this._maxSctpMessageSize)throw new h.UnsupportedError("SCTP not enabled by remote Transport");if(0===this.listenerCount("connect")&&"new"===this._connectionState)throw new TypeError('no "connect" listener set into this transport');if(0===this.listenerCount("producedata"))throw new TypeError('no "producedata" listener set into this transport');if(a&&"object"!=typeof a)throw new TypeError("if given, appData must be an object");return(t||s)&&(e=!1),this._awaitQueue.push((async()=>{const{dataChannel:n,sctpStreamParameters:o}=await this._handler.sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i});u.validateSctpStreamParameters(o);const{id:c}=await new Promise(((e,t)=>{this.safeEmit("producedata",{sctpStreamParameters:o,label:r,protocol:i,appData:a},e,t)})),d=new _.DataProducer({id:c,dataChannel:n,sctpStreamParameters:o,appData:a});return this._dataProducers.set(d.id,d),this.handleDataProducer(d),this._observer.safeEmit("newdataproducer",d),d}),"transport.produceData()")}async consumeData({id:e,dataProducerId:t,sctpStreamParameters:s,label:r="",protocol:i="",appData:a={}}){if(b.debug("consumeData()"),this._closed)throw new h.InvalidStateError("closed");if("recv"!==this._direction)throw new h.UnsupportedError("not a receiving Transport");if(!this._maxSctpMessageSize)throw new h.UnsupportedError("SCTP not enabled by remote Transport");if("string"!=typeof e)throw new TypeError("missing id");if("string"!=typeof t)throw new TypeError("missing dataProducerId");if(0===this.listenerCount("connect")&&"new"===this._connectionState)throw new TypeError('no "connect" listener set into this transport');if(a&&"object"!=typeof a)throw new TypeError("if given, appData must be an object");const n=m.clone(s);return u.validateSctpStreamParameters(n),this._awaitQueue.push((async()=>{const{dataChannel:s}=await this._handler.receiveDataChannel({sctpStreamParameters:n,label:r,protocol:i}),o=new w.DataConsumer({id:e,dataProducerId:t,dataChannel:s,sctpStreamParameters:n,appData:a});return this._dataConsumers.set(o.id,o),this.handleDataConsumer(o),this._observer.safeEmit("newdataconsumer",o),o}),"transport.consumeData()")}async createPendingConsumers(){this._consumerCreationInProgress=!0,this._awaitQueue.push((async()=>{if(0===this._pendingConsumerTasks.length)return void b.debug("createPendingConsumers() | there is no Consumer to be created");const e=[...this._pendingConsumerTasks];let t;this._pendingConsumerTasks=[];const s=[];for(const t of e){const{id:e,kind:r,rtpParameters:i,streamId:a,onRtpReceiver:n}=t.consumerOptions;s.push({trackId:e,kind:r,rtpParameters:i,streamId:a,onRtpReceiver:n})}try{const r=await this._handler.receive(s);for(let s=0;s<r.length;++s){const i=e[s],a=r[s],{id:n,producerId:o,kind:c,rtpParameters:d,appData:p}=i.consumerOptions,{localId:l,rtpReceiver:h,track:m}=a,u=new g.Consumer({id:n,localId:l,producerId:o,rtpReceiver:h,track:m,rtpParameters:d,appData:p});this._consumers.set(u.id,u),this.handleConsumer(u),this._probatorConsumerCreated||t||"video"!==c||(t=u),this._observer.safeEmit("newconsumer",u),i.resolve(u)}}catch(t){for(const s of e)s.reject(t)}if(t)try{const e=u.generateProbatorRtpParameters(t.rtpParameters);await this._handler.receive([{trackId:"probator",kind:"video",rtpParameters:e}]),b.debug("createPendingConsumers() | Consumer for RTP probation created"),this._probatorConsumerCreated=!0}catch(e){b.error("createPendingConsumers() | failed to create Consumer for RTP probation:%o",e)}}),"transport.createPendingConsumers()").then((()=>{this._consumerCreationInProgress=!1,this._pendingConsumerTasks.length>0&&this.createPendingConsumers()})).catch((()=>{}))}pausePendingConsumers(){this._consumerPauseInProgress=!0,this._awaitQueue.push((async()=>{if(0===this._pendingPauseConsumers.size)return void b.debug("pausePendingConsumers() | there is no Consumer to be paused");const e=Array.from(this._pendingPauseConsumers.values());this._pendingPauseConsumers.clear();try{const t=e.map((e=>e.localId));await this._handler.pauseReceiving(t)}catch(e){b.error("pausePendingConsumers() | failed to pause Consumers:",e)}}),"transport.pausePendingConsumers").then((()=>{this._consumerPauseInProgress=!1,this._pendingPauseConsumers.size>0&&this.pausePendingConsumers()})).catch((()=>{}))}resumePendingConsumers(){this._consumerResumeInProgress=!0,this._awaitQueue.push((async()=>{if(0===this._pendingResumeConsumers.size)return void b.debug("resumePendingConsumers() | there is no Consumer to be resumed");const e=Array.from(this._pendingResumeConsumers.values());this._pendingResumeConsumers.clear();try{const t=e.map((e=>e.localId));await this._handler.resumeReceiving(t)}catch(e){b.error("resumePendingConsumers() | failed to resume Consumers:",e)}}),"transport.resumePendingConsumers").then((()=>{this._consumerResumeInProgress=!1,this._pendingResumeConsumers.size>0&&this.resumePendingConsumers()})).catch((()=>{}))}closePendingConsumers(){this._consumerCloseInProgress=!0,this._awaitQueue.push((async()=>{if(0===this._pendingCloseConsumers.size)return void b.debug("closePendingConsumers() | there is no Consumer to be closed");const e=Array.from(this._pendingCloseConsumers.values());this._pendingCloseConsumers.clear();try{await this._handler.stopReceiving(e.map((e=>e.localId)))}catch(e){b.error("closePendingConsumers() | failed to close Consumers:",e)}}),"transport.closePendingConsumers").then((()=>{this._consumerCloseInProgress=!1,this._pendingCloseConsumers.size>0&&this.closePendingConsumers()})).catch((()=>{}))}handleHandler(){const e=this._handler;e.on("@connect",(({dtlsParameters:e},t,s)=>{this._closed?s(new h.InvalidStateError("closed")):this.safeEmit("connect",{dtlsParameters:e},t,s)})),e.on("@icegatheringstatechange",(e=>{e!==this._iceGatheringState&&(b.debug("ICE gathering state changed to %s",e),this._iceGatheringState=e,this._closed||this.safeEmit("icegatheringstatechange",e))})),e.on("@icecandidateerror",(e=>{b.warn(`ICE candidate error [url:${e.url}, localAddress:${e.address}, localPort:${e.port}]: ${e.errorCode} "${e.errorText}"`),this.safeEmit("icecandidateerror",e)})),e.on("@connectionstatechange",(e=>{e!==this._connectionState&&(b.debug("connection state changed to %s",e),this._connectionState=e,this._closed||this.safeEmit("connectionstatechange",e))}))}handleProducer(e){e.on("@close",(()=>{this._producers.delete(e.id),this._closed||this._awaitQueue.push((async()=>await this._handler.stopSending(e.localId)),"producer @close event").catch((e=>b.warn("producer.close() failed:%o",e)))})),e.on("@pause",((t,s)=>{this._awaitQueue.push((async()=>await this._handler.pauseSending(e.localId)),"producer @pause event").then(t).catch(s)})),e.on("@resume",((t,s)=>{this._awaitQueue.push((async()=>await this._handler.resumeSending(e.localId)),"producer @resume event").then(t).catch(s)})),e.on("@replacetrack",((t,s,r)=>{this._awaitQueue.push((async()=>await this._handler.replaceTrack(e.localId,t)),"producer @replacetrack event").then(s).catch(r)})),e.on("@setmaxspatiallayer",((t,s,r)=>{this._awaitQueue.push((async()=>await this._handler.setMaxSpatialLayer(e.localId,t)),"producer @setmaxspatiallayer event").then(s).catch(r)})),e.on("@setrtpencodingparameters",((t,s,r)=>{this._awaitQueue.push((async()=>await this._handler.setRtpEncodingParameters(e.localId,t)),"producer @setrtpencodingparameters event").then(s).catch(r)})),e.on("@getstats",((t,s)=>{if(this._closed)return s(new h.InvalidStateError("closed"));this._handler.getSenderStats(e.localId).then(t).catch(s)}))}handleConsumer(e){e.on("@close",(()=>{this._consumers.delete(e.id),this._pendingPauseConsumers.delete(e.id),this._pendingResumeConsumers.delete(e.id),this._closed||(this._pendingCloseConsumers.set(e.id,e),!1===this._consumerCloseInProgress&&this.closePendingConsumers())})),e.on("@pause",(()=>{this._pendingResumeConsumers.has(e.id)&&this._pendingResumeConsumers.delete(e.id),this._pendingPauseConsumers.set(e.id,e),(0,d.default)((()=>{this._closed||!1===this._consumerPauseInProgress&&this.pausePendingConsumers()}))})),e.on("@resume",(()=>{this._pendingPauseConsumers.has(e.id)&&this._pendingPauseConsumers.delete(e.id),this._pendingResumeConsumers.set(e.id,e),(0,d.default)((()=>{this._closed||!1===this._consumerResumeInProgress&&this.resumePendingConsumers()}))})),e.on("@getstats",((t,s)=>{if(this._closed)return s(new h.InvalidStateError("closed"));this._handler.getReceiverStats(e.localId).then(t).catch(s)}))}handleDataProducer(e){e.on("@close",(()=>{this._dataProducers.delete(e.id)}))}handleDataConsumer(e){e.on("@close",(()=>{this._dataConsumers.delete(e.id)}))}}t.Transport=y},5602:e=>{var t=e.exports={v:[{name:"version",reg:/^(\d*)$/}],o:[{name:"origin",reg:/^(\S*) (\d*) (\d*) (\S*) IP(\d) (\S*)/,names:["username","sessionId","sessionVersion","netType","ipVer","address"],format:"%s %s %d %s IP%d %s"}],s:[{name:"name"}],i:[{name:"description"}],u:[{name:"uri"}],e:[{name:"email"}],p:[{name:"phone"}],z:[{name:"timezones"}],r:[{name:"repeats"}],t:[{name:"timing",reg:/^(\d*) (\d*)/,names:["start","stop"],format:"%d %d"}],c:[{name:"connection",reg:/^IN IP(\d) (\S*)/,names:["version","ip"],format:"IN IP%d %s"}],b:[{push:"bandwidth",reg:/^(TIAS|AS|CT|RR|RS):(\d*)/,names:["type","limit"],format:"%s:%s"}],m:[{reg:/^(\w*) (\d*) ([\w/]*)(?: (.*))?/,names:["type","port","protocol","payloads"],format:"%s %d %s %s"}],a:[{push:"rtp",reg:/^rtpmap:(\d*) ([\w\-.]*)(?:\s*\/(\d*)(?:\s*\/(\S*))?)?/,names:["payload","codec","rate","encoding"],format:function(e){return e.encoding?"rtpmap:%d %s/%s/%s":e.rate?"rtpmap:%d %s/%s":"rtpmap:%d %s"}},{push:"fmtp",reg:/^fmtp:(\d*) ([\S| ]*)/,names:["payload","config"],format:"fmtp:%d %s"},{name:"control",reg:/^control:(.*)/,format:"control:%s"},{name:"rtcp",reg:/^rtcp:(\d*)(?: (\S*) IP(\d) (\S*))?/,names:["port","netType","ipVer","address"],format:function(e){return null!=e.address?"rtcp:%d %s IP%d %s":"rtcp:%d"}},{push:"rtcpFbTrrInt",reg:/^rtcp-fb:(\*|\d*) trr-int (\d*)/,names:["payload","value"],format:"rtcp-fb:%s trr-int %d"},{push:"rtcpFb",reg:/^rtcp-fb:(\*|\d*) ([\w-_]*)(?: ([\w-_]*))?/,names:["payload","type","subtype"],format:function(e){return null!=e.subtype?"rtcp-fb:%s %s %s":"rtcp-fb:%s %s"}},{push:"ext",reg:/^extmap:(\d+)(?:\/(\w+))?(?: (urn:ietf:params:rtp-hdrext:encrypt))? (\S*)(?: (\S*))?/,names:["value","direction","encrypt-uri","uri","config"],format:function(e){return"extmap:%d"+(e.direction?"/%s":"%v")+(e["encrypt-uri"]?" %s":"%v")+" %s"+(e.config?" %s":"")}},{name:"extmapAllowMixed",reg:/^(extmap-allow-mixed)/},{push:"crypto",reg:/^crypto:(\d*) ([\w_]*) (\S*)(?: (\S*))?/,names:["id","suite","config","sessionConfig"],format:function(e){return null!=e.sessionConfig?"crypto:%d %s %s %s":"crypto:%d %s %s"}},{name:"setup",reg:/^setup:(\w*)/,format:"setup:%s"},{name:"connectionType",reg:/^connection:(new|existing)/,format:"connection:%s"},{name:"mid",reg:/^mid:([^\s]*)/,format:"mid:%s"},{name:"msid",reg:/^msid:(.*)/,format:"msid:%s"},{name:"ptime",reg:/^ptime:(\d*(?:\.\d*)*)/,format:"ptime:%d"},{name:"maxptime",reg:/^maxptime:(\d*(?:\.\d*)*)/,format:"maxptime:%d"},{name:"direction",reg:/^(sendrecv|recvonly|sendonly|inactive)/},{name:"icelite",reg:/^(ice-lite)/},{name:"iceUfrag",reg:/^ice-ufrag:(\S*)/,format:"ice-ufrag:%s"},{name:"icePwd",reg:/^ice-pwd:(\S*)/,format:"ice-pwd:%s"},{name:"fingerprint",reg:/^fingerprint:(\S*) (\S*)/,names:["type","hash"],format:"fingerprint:%s %s"},{push:"candidates",reg:/^candidate:(\S*) (\d*) (\S*) (\d*) (\S*) (\d*) typ (\S*)(?: raddr (\S*) rport (\d*))?(?: tcptype (\S*))?(?: generation (\d*))?(?: network-id (\d*))?(?: network-cost (\d*))?/,names:["foundation","component","transport","priority","ip","port","type","raddr","rport","tcptype","generation","network-id","network-cost"],format:function(e){var t="candidate:%s %d %s %d %s %d typ %s";return t+=null!=e.raddr?" raddr %s rport %d":"%v%v",t+=null!=e.tcptype?" tcptype %s":"%v",null!=e.generation&&(t+=" generation %d"),(t+=null!=e["network-id"]?" network-id %d":"%v")+(null!=e["network-cost"]?" network-cost %d":"%v")}},{name:"endOfCandidates",reg:/^(end-of-candidates)/},{name:"remoteCandidates",reg:/^remote-candidates:(.*)/,format:"remote-candidates:%s"},{name:"iceOptions",reg:/^ice-options:(\S*)/,format:"ice-options:%s"},{push:"ssrcs",reg:/^ssrc:(\d*) ([\w_-]*)(?::(.*))?/,names:["id","attribute","value"],format:function(e){var t="ssrc:%d";return null!=e.attribute&&(t+=" %s",null!=e.value&&(t+=":%s")),t}},{push:"ssrcGroups",reg:/^ssrc-group:([\x21\x23\x24\x25\x26\x27\x2A\x2B\x2D\x2E\w]*) (.*)/,names:["semantics","ssrcs"],format:"ssrc-group:%s %s"},{name:"msidSemantic",reg:/^msid-semantic:\s?(\w*) (\S*)/,names:["semantic","token"],format:"msid-semantic: %s %s"},{push:"groups",reg:/^group:(\w*) (.*)/,names:["type","mids"],format:"group:%s %s"},{name:"rtcpMux",reg:/^(rtcp-mux)/},{name:"rtcpRsize",reg:/^(rtcp-rsize)/},{name:"sctpmap",reg:/^sctpmap:([\w_/]*) (\S*)(?: (\S*))?/,names:["sctpmapNumber","app","maxMessageSize"],format:function(e){return null!=e.maxMessageSize?"sctpmap:%s %s %s":"sctpmap:%s %s"}},{name:"xGoogleFlag",reg:/^x-google-flag:([^\s]*)/,format:"x-google-flag:%s"},{push:"rids",reg:/^rid:([\d\w]+) (\w+)(?: ([\S| ]*))?/,names:["id","direction","params"],format:function(e){return e.params?"rid:%s %s %s":"rid:%s %s"}},{push:"imageattrs",reg:new RegExp("^imageattr:(\\d+|\\*)[\\s\\t]+(send|recv)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*)(?:[\\s\\t]+(recv|send)[\\s\\t]+(\\*|\\[\\S+\\](?:[\\s\\t]+\\[\\S+\\])*))?"),names:["pt","dir1","attrs1","dir2","attrs2"],format:function(e){return"imageattr:%s %s %s"+(e.dir2?" %s %s":"")}},{name:"simulcast",reg:new RegExp("^simulcast:(send|recv) ([a-zA-Z0-9\\-_~;,]+)(?:\\s?(send|recv) ([a-zA-Z0-9\\-_~;,]+))?$"),names:["dir1","list1","dir2","list2"],format:function(e){return"simulcast:%s %s"+(e.dir2?" %s %s":"")}},{name:"simulcast_03",reg:/^simulcast:[\s\t]+([\S+\s\t]+)$/,names:["value"],format:"simulcast: %s"},{name:"framerate",reg:/^framerate:(\d+(?:$|\.\d+))/,format:"framerate:%s"},{name:"sourceFilter",reg:/^source-filter: *(excl|incl) (\S*) (IP4|IP6|\*) (\S*) (.*)/,names:["filterMode","netType","addressTypes","destAddress","srcList"],format:"source-filter: %s %s %s %s %s"},{name:"bundleOnly",reg:/^(bundle-only)/},{name:"label",reg:/^label:(.+)/,format:"label:%s"},{name:"sctpPort",reg:/^sctp-port:(\d+)$/,format:"sctp-port:%s"},{name:"maxMessageSize",reg:/^max-message-size:(\d+)$/,format:"max-message-size:%s"},{push:"tsRefClocks",reg:/^ts-refclk:([^\s=]*)(?:=(\S*))?/,names:["clksrc","clksrcExt"],format:function(e){return"ts-refclk:%s"+(null!=e.clksrcExt?"=%s":"")}},{name:"mediaClk",reg:/^mediaclk:(?:id=(\S*))? *([^\s=]*)(?:=(\S*))?(?: *rate=(\d+)\/(\d+))?/,names:["id","mediaClockName","mediaClockValue","rateNumerator","rateDenominator"],format:function(e){var t="mediaclk:";return t+=null!=e.id?"id=%s %s":"%v%s",t+=null!=e.mediaClockValue?"=%s":"",(t+=null!=e.rateNumerator?" rate=%s":"")+(null!=e.rateDenominator?"/%s":"")}},{name:"keywords",reg:/^keywds:(.+)$/,format:"keywds:%s"},{name:"content",reg:/^content:(.+)/,format:"content:%s"},{name:"bfcpFloorCtrl",reg:/^floorctrl:(c-only|s-only|c-s)/,format:"floorctrl:%s"},{name:"bfcpConfId",reg:/^confid:(\d+)/,format:"confid:%s"},{name:"bfcpUserId",reg:/^userid:(\d+)/,format:"userid:%s"},{name:"bfcpFloorId",reg:/^floorid:(.+) (?:m-stream|mstrm):(.+)/,names:["id","mStream"],format:"floorid:%s mstrm:%s"},{push:"invalid",names:["value"]}]};Object.keys(t).forEach((function(e){t[e].forEach((function(e){e.reg||(e.reg=/(.*)/),e.format||(e.format="%s")}))}))},5765:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Safari12=void 0;const o=n(s(7363)),c=s(2994),d=n(s(1765)),p=n(s(8046)),l=n(s(5544)),h=n(s(5938)),m=n(s(4256)),u=s(4893),f=s(521),g=s(1305),_=s(3303),w=new c.Logger("Safari12"),b={OS:1024,MIS:1024};class v extends f.HandlerInterface{static createFactory(){return()=>new v}constructor(){super(),this._closed=!1,this._mapMidTransceiver=new Map,this._sendStream=new MediaStream,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Safari12"}close(){if(w.debug("close()"),!this._closed){if(this._closed=!0,this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}}async getNativeRtpCapabilities(){w.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require"});try{e.addTransceiver("audio"),e.addTransceiver("video");const t=await e.createOffer();try{e.close()}catch(e){}const s=o.parse(t.sdp),r=l.extractRtpCapabilities({sdpObject:s});return m.addNackSupportForOpus(r),r}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return w.debug("getNativeSctpCapabilities()"),{numStreams:b}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){this.assertNotClosed(),w.debug("run()"),this._direction=e,this._remoteSdp=new g.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i}),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",d),video:p.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:p.getSendingRemoteRtpParameters("audio",d),video:p.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(w.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){this.assertNotClosed(),w.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(this.assertNotClosed(),w.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});w.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();w.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this.assertNotClosed(),this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r,onRtpSender:i}){this.assertNotClosed(),this.assertSendDirection(),w.debug("send() [kind:%s, track.id:%s]",e.kind,e.id);const a=d.clone(this._sendingRtpParametersByKind[e.kind]);a.codecs=p.reduceCodecs(a.codecs,r);const n=d.clone(this._sendingRemoteRtpParametersByKind[e.kind]);n.codecs=p.reduceCodecs(n.codecs,r);const c=this._remoteSdp.getNextMediaSectionIdx(),m=this._pc.addTransceiver(e,{direction:"sendonly",streams:[this._sendStream]});i&&i(m.sender);let u,f=await this._pc.createOffer(),g=o.parse(f.sdp);this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:g});const b=(0,_.parse)((t??[{}])[0].scalabilityMode);t&&t.length>1&&(w.debug("send() | enabling legacy simulcast"),g=o.parse(f.sdp),u=g.media[c.idx],h.addLegacySimulcast({offerMediaObject:u,numStreams:t.length}),f={type:"offer",sdp:o.write(g)}),w.debug("send() | calling pc.setLocalDescription() [offer:%o]",f),await this._pc.setLocalDescription(f);const v=m.mid;if(a.mid=v,g=o.parse(this._pc.localDescription.sdp),u=g.media[c.idx],a.rtcp.cname=l.getCname({offerMediaObject:u}),a.encodings=h.getRtpEncodings({offerMediaObject:u}),t)for(let e=0;e<a.encodings.length;++e)t[e]&&Object.assign(a.encodings[e],t[e]);if(a.encodings.length>1&&("video/vp8"===a.codecs[0].mimeType.toLowerCase()||"video/h264"===a.codecs[0].mimeType.toLowerCase()))for(const e of a.encodings)e.scalabilityMode?e.scalabilityMode=`L1T${b.temporalLayers}`:e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:u,reuseMid:c.reuseMid,offerRtpParameters:a,answerRtpParameters:n,codecOptions:s});const y={type:"answer",sdp:this._remoteSdp.getSdp()};return w.debug("send() | calling pc.setRemoteDescription() [answer:%o]",y),await this._pc.setRemoteDescription(y),this._mapMidTransceiver.set(v,m),{localId:v,rtpParameters:a,rtpSender:m.sender}}async stopSending(e){if(this.assertSendDirection(),this._closed)return;w.debug("stopSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");if(t.sender.replaceTrack(null),this._pc.removeTrack(t.sender),this._remoteSdp.closeMediaSection(t.mid))try{t.stop()}catch(e){}const s=await this._pc.createOffer();w.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._mapMidTransceiver.delete(e)}async pauseSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("pauseSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="inactive",this._remoteSdp.pauseMediaSection(e);const s=await this._pc.createOffer();w.debug("pauseSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("pauseSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async resumeSending(e){this.assertNotClosed(),this.assertSendDirection(),w.debug("resumeSending() [localId:%s]",e);const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");t.direction="sendonly",this._remoteSdp.resumeSendingMediaSection(e);const s=await this._pc.createOffer();w.debug("resumeSending() | calling pc.setLocalDescription() [offer:%o]",s),await this._pc.setLocalDescription(s);const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("resumeSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async replaceTrack(e,t){this.assertNotClosed(),this.assertSendDirection(),t?w.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):w.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");await s.sender.replaceTrack(t)}async setMaxSpatialLayer(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setMaxSpatialLayer() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setMaxSpatialLayer() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async setRtpEncodingParameters(e,t){this.assertNotClosed(),this.assertSendDirection(),w.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapMidTransceiver.get(e);if(!s)throw new Error("associated RTCRtpTransceiver not found");const r=s.sender.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.sender.setParameters(r),this._remoteSdp.muxMediaSectionSimulcast(e,r.encodings);const i=await this._pc.createOffer();w.debug("setRtpEncodingParameters() | calling pc.setLocalDescription() [offer:%o]",i),await this._pc.setLocalDescription(i);const a={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("setRtpEncodingParameters() | calling pc.setRemoteDescription() [answer:%o]",a),await this._pc.setRemoteDescription(a)}async getSenderStats(e){this.assertNotClosed(),this.assertSendDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.sender.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertNotClosed(),this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:s,protocol:i};w.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%b.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),w.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};w.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertNotClosed(),this.assertRecvDirection();const t=[],s=new Map;for(const t of e){const{trackId:e,kind:r,rtpParameters:i,streamId:a}=t;w.debug("receive() [trackId:%s, kind:%s]",e,r);const n=i.mid??String(this._mapMidTransceiver.size);s.set(e,n),this._remoteSdp.receive({mid:n,kind:r,offerRtpParameters:i,streamId:a??i.rtcp.cname,trackId:e})}const r={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",r),await this._pc.setRemoteDescription(r);for(const t of e){const{trackId:e,onRtpReceiver:r}=t;if(r){const t=s.get(e),i=this._pc.getTransceivers().find((e=>e.mid===t));if(!i)throw new Error("transceiver not found");r(i.receiver)}}let i=await this._pc.createAnswer();const a=o.parse(i.sdp);for(const t of e){const{trackId:e,rtpParameters:r}=t,i=s.get(e),n=a.media.find((e=>String(e.mid)===i));l.applyCodecParameters({offerRtpParameters:r,answerMediaObject:n})}i={type:"answer",sdp:o.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),w.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const r of e){const{trackId:e}=r,i=s.get(e),a=this._pc.getTransceivers().find((e=>e.mid===i));if(!a)throw new Error("new RTCRtpTransceiver not found");this._mapMidTransceiver.set(i,a),t.push({localId:i,track:a.receiver.track,rtpReceiver:a.receiver})}return t}async stopReceiving(e){if(this.assertRecvDirection(),this._closed)return;for(const t of e){w.debug("stopReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");this._remoteSdp.closeMediaSection(e.mid)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s);for(const t of e)this._mapMidTransceiver.delete(t)}async pauseReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){w.debug("pauseReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="inactive",this._remoteSdp.pauseMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("pauseReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("pauseReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async resumeReceiving(e){this.assertNotClosed(),this.assertRecvDirection();for(const t of e){w.debug("resumeReceiving() [localId:%s]",t);const e=this._mapMidTransceiver.get(t);if(!e)throw new Error("associated RTCRtpTransceiver not found");e.direction="recvonly",this._remoteSdp.resumeReceivingMediaSection(t)}const t={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("resumeReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();w.debug("resumeReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async getReceiverStats(e){this.assertNotClosed(),this.assertRecvDirection();const t=this._mapMidTransceiver.get(e);if(!t)throw new Error("associated RTCRtpTransceiver not found");return t.receiver.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertNotClosed(),this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n,protocol:s};w.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation();const e={type:"offer",sdp:this._remoteSdp.getSdp()};w.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}w.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=l.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertNotClosed(){if(this._closed)throw new u.InvalidStateError("method called in a closed handler")}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Safari12=v},5938:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.getRtpEncodings=function({offerMediaObject:e}){const t=new Set;for(const s of e.ssrcs??[]){const e=s.id;t.add(e)}if(0===t.size)throw new Error("no a=ssrc lines found");const s=new Map;for(const r of e.ssrcGroups??[]){if("FID"!==r.semantics)continue;let[e,i]=r.ssrcs.split(/\s+/);e=Number(e),i=Number(i),t.has(e)&&(t.delete(e),t.delete(i),s.set(e,i))}for(const e of t)s.set(e,null);const r=[];for(const[e,t]of s){const s={ssrc:e};t&&(s.rtx={ssrc:t}),r.push(s)}return r},t.addLegacySimulcast=function({offerMediaObject:e,numStreams:t}){if(t<=1)throw new TypeError("numStreams must be greater than 1");const s=(e.ssrcs??[]).find((e=>"msid"===e.attribute));if(!s)throw new Error("a=ssrc line with msid information not found");const[r,i]=s.value.split(" "),a=Number(s.id);let n;(e.ssrcGroups??[]).some((e=>{if("FID"!==e.semantics)return!1;const t=e.ssrcs.split(/\s+/);return Number(t[0])===a&&(n=Number(t[1]),!0)}));const o=e.ssrcs.find((e=>"cname"===e.attribute));if(!o)throw new Error("a=ssrc line with cname information not found");const c=o.value,d=[],p=[];for(let e=0;e<t;++e)d.push(a+e),n&&p.push(n+e);e.ssrcGroups=[],e.ssrcs=[],e.ssrcGroups.push({semantics:"SIM",ssrcs:d.join(" ")});for(const t of d)e.ssrcs.push({id:t,attribute:"cname",value:c}),e.ssrcs.push({id:t,attribute:"msid",value:`${r} ${i}`});for(let t=0;t<p.length;++t){const s=d[t],a=p[t];e.ssrcs.push({id:a,attribute:"cname",value:c}),e.ssrcs.push({id:a,attribute:"msid",value:`${r} ${i}`}),e.ssrcGroups.push({semantics:"FID",ssrcs:`${s} ${a}`})}}},6004:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Device=void 0,t.detectDevice=T;const o=s(2109),c=s(2994),d=s(3953),p=s(4893),l=n(s(1765)),h=n(s(8046)),m=s(5601),u=s(2183),f=s(11),g=s(5535),_=s(8155),w=s(7402),b=s(2292),v=s(1767),y=s(5765),S=s(9676),R=s(8633),C=s(4039),P=s(9352),D=new c.Logger("Device");function T(e){if(!e&&"object"==typeof navigator&&"ReactNative"===navigator.product)return D.debug("detectDevice() | React-Native detected"),"undefined"==typeof RTCPeerConnection?void D.warn("detectDevice() | unsupported react-native-webrtc without RTCPeerConnection, forgot to call registerGlobals()?"):"undefined"!=typeof RTCRtpTransceiver?(D.debug("detectDevice() | ReactNative UnifiedPlan handler chosen"),"ReactNativeUnifiedPlan"):(D.debug("detectDevice() | ReactNative PlanB handler chosen"),"ReactNative");if(e||"object"==typeof navigator&&"string"==typeof navigator.userAgent){e??(e=navigator.userAgent);const t=new o.UAParser(e);D.debug("detectDevice() | browser detected [userAgent:%s, parsed:%o]",e,t.getResult());const s=t.getBrowser(),r=s.name?.toLowerCase(),i=parseInt(s.major??"0"),a=t.getEngine(),n=a.name?.toLowerCase(),c=t.getOS(),d=c.name?.toLowerCase(),p=parseFloat(c.version??"0"),l=t.getDevice(),h=l.model?.toLowerCase(),m="ios"===d||"ipad"===h,u=r&&["chrome","chromium","mobile chrome","chrome webview","chrome headless"].includes(r),f=r&&["firefox","mobile firefox","mobile focus"].includes(r),g=r&&["safari","mobile safari"].includes(r),_=r&&["edge"].includes(r);if((u||_)&&!m&&i>=111)return"Chrome111";if(u&&!m&&i>=74||_&&!m&&i>=88)return"Chrome74";if(u&&!m&&i>=70)return"Chrome70";if(u&&!m&&i>=67)return"Chrome67";if(u&&!m&&i>=55)return"Chrome55";if(f&&!m&&i>=120)return"Firefox120";if(f&&!m&&i>=60)return"Firefox60";if(f&&m&&p>=14.3)return"Safari12";if(g&&i>=12&&"undefined"!=typeof RTCRtpTransceiver&&RTCRtpTransceiver.prototype.hasOwnProperty("currentDirection"))return"Safari12";if(g&&i>=11)return"Safari11";if(_&&!m&&i>=11&&i<=18)return"Edge11";if("webkit"===n&&m&&"undefined"!=typeof RTCRtpTransceiver&&RTCRtpTransceiver.prototype.hasOwnProperty("currentDirection"))return"Safari12";if("blink"===n){const t=e.match(/(?:(?:Chrome|Chromium))[ /](\w+)/i);if(t){const e=Number(t[1]);return e>=111?"Chrome111":e>=74?"Chrome74":e>=70?"Chrome70":e>=67?"Chrome67":"Chrome55"}return"Chrome111"}D.warn("detectDevice() | browser not supported [name:%s, version:%s]",r,i)}else D.warn("detectDevice() | unknown device")}t.Device=class{constructor({handlerName:e,handlerFactory:t}={}){if(this._loaded=!1,this._observer=new d.EnhancedEventEmitter,D.debug("constructor()"),e&&t)throw new TypeError("just one of handlerName or handlerInterface can be given");if(t)this._handlerFactory=t;else{if(e)D.debug("constructor() | handler given: %s",e);else{if(!(e=T()))throw new p.UnsupportedError("device not supported");D.debug("constructor() | detected handler: %s",e)}switch(e){case"Chrome111":this._handlerFactory=u.Chrome111.createFactory();break;case"Chrome74":this._handlerFactory=f.Chrome74.createFactory();break;case"Chrome70":this._handlerFactory=g.Chrome70.createFactory();break;case"Chrome67":this._handlerFactory=_.Chrome67.createFactory();break;case"Chrome55":this._handlerFactory=w.Chrome55.createFactory();break;case"Firefox120":this._handlerFactory=b.Firefox120.createFactory();break;case"Firefox60":this._handlerFactory=v.Firefox60.createFactory();break;case"Safari12":this._handlerFactory=y.Safari12.createFactory();break;case"Safari11":this._handlerFactory=S.Safari11.createFactory();break;case"Edge11":this._handlerFactory=R.Edge11.createFactory();break;case"ReactNativeUnifiedPlan":this._handlerFactory=C.ReactNativeUnifiedPlan.createFactory();break;case"ReactNative":this._handlerFactory=P.ReactNative.createFactory();break;default:throw new TypeError(`unknown handlerName "${e}"`)}}const s=this._handlerFactory();this._handlerName=s.name,s.close(),this._extendedRtpCapabilities=void 0,this._recvRtpCapabilities=void 0,this._canProduceByKind={audio:!1,video:!1},this._sctpCapabilities=void 0}get handlerName(){return this._handlerName}get loaded(){return this._loaded}get rtpCapabilities(){if(!this._loaded)throw new p.InvalidStateError("not loaded");return this._recvRtpCapabilities}get sctpCapabilities(){if(!this._loaded)throw new p.InvalidStateError("not loaded");return this._sctpCapabilities}get observer(){return this._observer}async load({routerRtpCapabilities:e}){let t;D.debug("load() [routerRtpCapabilities:%o]",e);try{if(this._loaded)throw new p.InvalidStateError("already loaded");const s=l.clone(e);h.validateRtpCapabilities(s),t=this._handlerFactory();const r=await t.getNativeRtpCapabilities();D.debug("load() | got native RTP capabilities:%o",r);const i=l.clone(r);h.validateRtpCapabilities(i),this._extendedRtpCapabilities=h.getExtendedRtpCapabilities(i,s),D.debug("load() | got extended RTP capabilities:%o",this._extendedRtpCapabilities),this._canProduceByKind.audio=h.canSend("audio",this._extendedRtpCapabilities),this._canProduceByKind.video=h.canSend("video",this._extendedRtpCapabilities),this._recvRtpCapabilities=h.getRecvRtpCapabilities(this._extendedRtpCapabilities),h.validateRtpCapabilities(this._recvRtpCapabilities),D.debug("load() | got receiving RTP capabilities:%o",this._recvRtpCapabilities),this._sctpCapabilities=await t.getNativeSctpCapabilities(),D.debug("load() | got native SCTP capabilities:%o",this._sctpCapabilities),h.validateSctpCapabilities(this._sctpCapabilities),D.debug("load() succeeded"),this._loaded=!0,t.close()}catch(e){throw t&&t.close(),e}}canProduce(e){if(!this._loaded)throw new p.InvalidStateError("not loaded");if("audio"!==e&&"video"!==e)throw new TypeError(`invalid kind "${e}"`);return this._canProduceByKind[e]}createSendTransport({id:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,appData:d}){return D.debug("createSendTransport()"),this.createTransport({direction:"send",id:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,appData:d})}createRecvTransport({id:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,appData:d}){return D.debug("createRecvTransport()"),this.createTransport({direction:"recv",id:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,appData:d})}createTransport({direction:e,id:t,iceParameters:s,iceCandidates:r,dtlsParameters:i,sctpParameters:a,iceServers:n,iceTransportPolicy:o,additionalSettings:c,proprietaryConstraints:d,appData:l}){if(!this._loaded)throw new p.InvalidStateError("not loaded");if("string"!=typeof t)throw new TypeError("missing id");if("object"!=typeof s)throw new TypeError("missing iceParameters");if(!Array.isArray(r))throw new TypeError("missing iceCandidates");if("object"!=typeof i)throw new TypeError("missing dtlsParameters");if(a&&"object"!=typeof a)throw new TypeError("wrong sctpParameters");if(l&&"object"!=typeof l)throw new TypeError("if given, appData must be an object");const h=new m.Transport({direction:e,id:t,iceParameters:s,iceCandidates:r,dtlsParameters:i,sctpParameters:a,iceServers:n,iceTransportPolicy:o,additionalSettings:c,proprietaryConstraints:d,appData:l,handlerFactory:this._handlerFactory,extendedRtpCapabilities:this._extendedRtpCapabilities,canProduceByKind:this._canProduceByKind});return this._observer.safeEmit("newtransport",h),h}}},6749:(e,t,s)=>{e.exports=function(e){function t(e){let s,i,a,n=null;function o(...e){if(!o.enabled)return;const r=o,i=Number(new Date),a=i-(s||i);r.diff=a,r.prev=s,r.curr=i,s=i,e[0]=t.coerce(e[0]),"string"!=typeof e[0]&&e.unshift("%O");let n=0;e[0]=e[0].replace(/%([a-zA-Z%])/g,((s,i)=>{if("%%"===s)return"%";n++;const a=t.formatters[i];if("function"==typeof a){const t=e[n];s=a.call(r,t),e.splice(n,1),n--}return s})),t.formatArgs.call(r,e),(r.log||t.log).apply(r,e)}return 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s)"-"===e[0]?t.skips.push(e.slice(1)):t.names.push(e)},t.enabled=function(e){for(const s of t.skips)if(i(e,s))return!1;for(const s of t.names)if(i(e,s))return!0;return!1},t.humanize=s(4756),t.destroy=function(){console.warn("Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.")},Object.keys(e).forEach((s=>{t[s]=e[s]})),t.names=[],t.skips=[],t.formatters={},t.selectColor=function(e){let s=0;for(let t=0;t<e.length;t++)s=(s<<5)-s+e.charCodeAt(t),s|=0;return t.colors[Math.abs(s)%t.colors.length]},t.enable(t.load()),t}},7104:e=>{var t=1e3,s=60*t,r=60*s,i=24*r,a=7*i;function n(e,t,s,r){var i=t>=1.5*s;return Math.round(e/s)+" "+r+(i?"s":"")}e.exports=function(e,o){o=o||{};var c,d,p=typeof e;if("string"===p&&e.length>0)return function(e){if(!((e=String(e)).length>100)){var n=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(e);if(n){var o=parseFloat(n[1]);switch((n[2]||"ms").toLowerCase()){case"years":case"year":case"yrs":case"yr":case"y":return 315576e5*o;case"weeks":case"week":case"w":return o*a;case"days":case"day":case"d":return o*i;case"hours":case"hour":case"hrs":case"hr":case"h":return o*r;case"minutes":case"minute":case"mins":case"min":case"m":return o*s;case"seconds":case"second":case"secs":case"sec":case"s":return o*t;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return o;default:return}}}}(e);if("number"===p&&isFinite(e))return o.long?(c=e,(d=Math.abs(c))>=i?n(c,d,i,"day"):d>=r?n(c,d,r,"hour"):d>=s?n(c,d,s,"minute"):d>=t?n(c,d,t,"second"):c+" ms"):function(e){var a=Math.abs(e);return a>=i?Math.round(e/i)+"d":a>=r?Math.round(e/r)+"h":a>=s?Math.round(e/s)+"m":a>=t?Math.round(e/t)+"s":e+"ms"}(e);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(e))}},7215:(e,t,s)=>{let r;e.exports="function"==typeof queueMicrotask?queueMicrotask.bind("undefined"!=typeof window?window:s.g):e=>(r||(r=Promise.resolve())).then(e).catch((e=>setTimeout((()=>{throw e}),0)))},7363:(e,t,s)=>{var r=s(5020),i=s(3804),a=s(5602);t.grammar=a,t.write=i,t.parse=r.parse,t.parseParams=r.parseParams,t.parseFmtpConfig=r.parseFmtpConfig,t.parsePayloads=r.parsePayloads,t.parseRemoteCandidates=r.parseRemoteCandidates,t.parseImageAttributes=r.parseImageAttributes,t.parseSimulcastStreamList=r.parseSimulcastStreamList},7402:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Chrome55=void 0;const o=n(s(7363)),c=s(2994),d=s(4893),p=n(s(1765)),l=n(s(8046)),h=n(s(5544)),m=n(s(4496)),u=s(521),f=s(1305),g=new c.Logger("Chrome55"),_={OS:1024,MIS:1024};class w extends u.HandlerInterface{static createFactory(){return()=>new w}constructor(){super(),this._sendStream=new MediaStream,this._mapSendLocalIdTrack=new Map,this._nextSendLocalId=0,this._mapRecvLocalIdInfo=new Map,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Chrome55"}close(){if(g.debug("close()"),this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}async getNativeRtpCapabilities(){g.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"plan-b"});try{const t=await e.createOffer({offerToReceiveAudio:!0,offerToReceiveVideo:!0});try{e.close()}catch(e){}const s=o.parse(t.sdp);return h.extractRtpCapabilities({sdpObject:s})}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return g.debug("getNativeSctpCapabilities()"),{numStreams:_}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){g.debug("run()"),this._direction=e,this._remoteSdp=new f.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,planB:!0}),this._sendingRtpParametersByKind={audio:l.getSendingRtpParameters("audio",d),video:l.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:l.getSendingRemoteRtpParameters("audio",d),video:l.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"plan-b",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(g.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){g.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(g.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});g.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();g.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){this.assertSendDirection(),g.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),r&&g.warn("send() | codec selection is not available in %s handler",this.name),this._sendStream.addTrack(e),this._pc.addStream(this._sendStream);let i,a=await this._pc.createOffer(),n=o.parse(a.sdp);const c=p.clone(this._sendingRtpParametersByKind[e.kind]);c.codecs=l.reduceCodecs(c.codecs);const d=p.clone(this._sendingRemoteRtpParametersByKind[e.kind]);if(d.codecs=l.reduceCodecs(d.codecs),this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:n}),"video"===e.kind&&t&&t.length>1&&(g.debug("send() | enabling simulcast"),n=o.parse(a.sdp),i=n.media.find((e=>"video"===e.type)),m.addLegacySimulcast({offerMediaObject:i,track:e,numStreams:t.length}),a={type:"offer",sdp:o.write(n)}),g.debug("send() | calling pc.setLocalDescription() [offer:%o]",a),await this._pc.setLocalDescription(a),n=o.parse(this._pc.localDescription.sdp),i=n.media.find((t=>t.type===e.kind)),c.rtcp.cname=h.getCname({offerMediaObject:i}),c.encodings=m.getRtpEncodings({offerMediaObject:i,track:e}),t)for(let e=0;e<c.encodings.length;++e)t[e]&&Object.assign(c.encodings[e],t[e]);if(c.encodings.length>1&&"video/vp8"===c.codecs[0].mimeType.toLowerCase())for(const e of c.encodings)e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:i,offerRtpParameters:c,answerRtpParameters:d,codecOptions:s});const u={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("send() | calling pc.setRemoteDescription() [answer:%o]",u),await this._pc.setRemoteDescription(u);const f=String(this._nextSendLocalId);return this._nextSendLocalId++,this._mapSendLocalIdTrack.set(f,e),{localId:f,rtpParameters:c}}async stopSending(e){this.assertSendDirection(),g.debug("stopSending() [localId:%s]",e);const t=this._mapSendLocalIdTrack.get(e);if(!t)throw new Error("track not found");this._mapSendLocalIdTrack.delete(e),this._sendStream.removeTrack(t),this._pc.addStream(this._sendStream);const s=await this._pc.createOffer();g.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s);try{await this._pc.setLocalDescription(s)}catch(e){if(0===this._sendStream.getTracks().length)return void g.warn("stopSending() | ignoring expected error due no sending tracks: %s",e.toString());throw e}if("stable"===this._pc.signalingState)return;const r={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async pauseSending(e){}async resumeSending(e){}async replaceTrack(e,t){throw new d.UnsupportedError("not implemented")}async setMaxSpatialLayer(e,t){throw new d.UnsupportedError(" not implemented")}async setRtpEncodingParameters(e,t){throw new d.UnsupportedError("not supported")}async getSenderStats(e){throw new d.UnsupportedError("not implemented")}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmitTime:t,maxRetransmits:s,protocol:i};g.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%_.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),g.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertRecvDirection();const t=[];for(const t of e){const{trackId:e,kind:s,rtpParameters:r,streamId:i}=t;g.debug("receive() [trackId:%s, kind:%s]",e,s);const a=s;this._remoteSdp.receive({mid:a,kind:s,offerRtpParameters:r,streamId:i??r.rtcp.cname,trackId:e})}const s={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",s),await this._pc.setRemoteDescription(s);let r=await this._pc.createAnswer();const i=o.parse(r.sdp);for(const t of e){const{kind:e,rtpParameters:s}=t,r=e,a=i.media.find((e=>String(e.mid)===r));h.applyCodecParameters({offerRtpParameters:s,answerMediaObject:a})}r={type:"answer",sdp:o.write(i)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:i}),g.debug("receive() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r);for(const s of e){const{kind:e,trackId:r,rtpParameters:i}=s,a=e,n=r,o=s.streamId??i.rtcp.cname,c=this._pc.getRemoteStreams().find((e=>e.id===o)).getTrackById(n);if(!c)throw new Error("remote track not found");this._mapRecvLocalIdInfo.set(n,{mid:a,rtpParameters:i}),t.push({localId:n,track:c})}return t}async stopReceiving(e){this.assertRecvDirection();for(const t of e){g.debug("stopReceiving() [localId:%s]",t);const{mid:e,rtpParameters:s}=this._mapRecvLocalIdInfo.get(t)??{};this._mapRecvLocalIdInfo.delete(t),this._remoteSdp.planBStopReceiving({mid:e,offerRtpParameters:s})}const t={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();g.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async pauseReceiving(e){}async resumeReceiving(e){}async getReceiverStats(e){throw new d.UnsupportedError("not implemented")}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmitTime:a,maxRetransmits:n,protocol:s};g.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation({oldDataChannelSpec:!0});const e={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}g.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=h.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Chrome55=w},7504:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.DataProducer=void 0;const r=s(2994),i=s(3953),a=s(4893),n=new r.Logger("DataProducer");class o extends i.EnhancedEventEmitter{constructor({id:e,dataChannel:t,sctpStreamParameters:s,appData:r}){super(),this._closed=!1,this._observer=new i.EnhancedEventEmitter,n.debug("constructor()"),this._id=e,this._dataChannel=t,this._sctpStreamParameters=s,this._appData=r??{},this.handleDataChannel()}get id(){return this._id}get closed(){return this._closed}get sctpStreamParameters(){return this._sctpStreamParameters}get readyState(){return this._dataChannel.readyState}get label(){return this._dataChannel.label}get protocol(){return this._dataChannel.protocol}get bufferedAmount(){return this._dataChannel.bufferedAmount}get bufferedAmountLowThreshold(){return this._dataChannel.bufferedAmountLowThreshold}set bufferedAmountLowThreshold(e){this._dataChannel.bufferedAmountLowThreshold=e}get appData(){return this._appData}set appData(e){this._appData=e}get observer(){return this._observer}close(){this._closed||(n.debug("close()"),this._closed=!0,this._dataChannel.close(),this.emit("@close"),this._observer.safeEmit("close"))}transportClosed(){this._closed||(n.debug("transportClosed()"),this._closed=!0,this._dataChannel.close(),this.safeEmit("transportclose"),this._observer.safeEmit("close"))}send(e){if(n.debug("send()"),this._closed)throw new a.InvalidStateError("closed");this._dataChannel.send(e)}handleDataChannel(){this._dataChannel.addEventListener("open",(()=>{this._closed||(n.debug('DataChannel "open" event'),this.safeEmit("open"))})),this._dataChannel.addEventListener("error",(e=>{if(this._closed)return;let{error:t}=e;t||(t=new Error("unknown DataChannel error")),"sctp-failure"===t.errorDetail?n.error("DataChannel SCTP error [sctpCauseCode:%s]: %s",t.sctpCauseCode,t.message):n.error('DataChannel "error" event: %o',t),this.safeEmit("error",t)})),this._dataChannel.addEventListener("close",(()=>{this._closed||(n.warn('DataChannel "close" event'),this._closed=!0,this.emit("@close"),this.safeEmit("close"),this._observer.safeEmit("close"))})),this._dataChannel.addEventListener("message",(()=>{this._closed||n.warn('DataChannel "message" event in a DataProducer, message discarded')})),this._dataChannel.addEventListener("bufferedamountlow",(()=>{this._closed||this.safeEmit("bufferedamountlow")}))}}t.DataProducer=o},8046:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.validateRtpCapabilities=function(e){if("object"!=typeof e)throw new TypeError("caps is not an object");if(e.codecs&&!Array.isArray(e.codecs))throw new TypeError("caps.codecs is not an array");e.codecs||(e.codecs=[]);for(const t of e.codecs)m(t);if(e.headerExtensions&&!Array.isArray(e.headerExtensions))throw new TypeError("caps.headerExtensions is not an array");e.headerExtensions||(e.headerExtensions=[]);for(const t of e.headerExtensions)f(t)},t.validateRtpParameters=h,t.validateSctpStreamParameters=function(e){if("object"!=typeof e)throw new TypeError("params is not an object");if("number"!=typeof e.streamId)throw new TypeError("missing params.streamId");let t=!1;if("boolean"==typeof e.ordered?t=!0:e.ordered=!0,e.maxPacketLifeTime&&"number"!=typeof e.maxPacketLifeTime)throw new TypeError("invalid params.maxPacketLifeTime");if(e.maxRetransmits&&"number"!=typeof e.maxRetransmits)throw new TypeError("invalid params.maxRetransmits");if(e.maxPacketLifeTime&&e.maxRetransmits)throw new TypeError("cannot provide both maxPacketLifeTime and maxRetransmits");if(t&&e.ordered&&(e.maxPacketLifeTime||e.maxRetransmits))throw new TypeError("cannot be ordered with maxPacketLifeTime or maxRetransmits");if(t||!e.maxPacketLifeTime&&!e.maxRetransmits||(e.ordered=!1),e.label&&"string"!=typeof e.label)throw new TypeError("invalid params.label");if(e.protocol&&"string"!=typeof e.protocol)throw new TypeError("invalid params.protocol")},t.validateSctpCapabilities=function(e){if("object"!=typeof e)throw new TypeError("caps is not an object");if(!e.numStreams||"object"!=typeof e.numStreams)throw new TypeError("missing caps.numStreams");!function(e){if("object"!=typeof e)throw new TypeError("numStreams is not an object");if("number"!=typeof e.OS)throw new TypeError("missing numStreams.OS");if("number"!=typeof e.MIS)throw new TypeError("missing numStreams.MIS")}(e.numStreams)},t.getExtendedRtpCapabilities=function(e,t){const s={codecs:[],headerExtensions:[]};for(const r of t.codecs??[]){if(b(r))continue;const t=(e.codecs??[]).find((e=>v(e,r,{strict:!0,modify:!0})));if(!t)continue;const i={mimeType:t.mimeType,kind:t.kind,clockRate:t.clockRate,channels:t.channels,localPayloadType:t.preferredPayloadType,localRtxPayloadType:void 0,remotePayloadType:r.preferredPayloadType,remoteRtxPayloadType:void 0,localParameters:t.parameters,remoteParameters:r.parameters,rtcpFeedback:y(t,r)};s.codecs.push(i)}for(const r of s.codecs){const s=e.codecs.find((e=>b(e)&&e.parameters.apt===r.localPayloadType)),i=t.codecs.find((e=>b(e)&&e.parameters.apt===r.remotePayloadType));s&&i&&(r.localRtxPayloadType=s.preferredPayloadType,r.remoteRtxPayloadType=i.preferredPayloadType)}for(const r of t.headerExtensions){const t=e.headerExtensions.find((e=>{return s=r,!((t=e).kind&&s.kind&&t.kind!==s.kind||t.uri!==s.uri);var t,s}));if(!t)continue;const i={kind:r.kind,uri:r.uri,sendId:t.preferredId,recvId:r.preferredId,encrypt:t.preferredEncrypt,direction:"sendrecv"};switch(r.direction){case"sendrecv":i.direction="sendrecv";break;case"recvonly":i.direction="sendonly";break;case"sendonly":i.direction="recvonly";break;case"inactive":i.direction="inactive"}s.headerExtensions.push(i)}return s},t.getRecvRtpCapabilities=function(e){const t={codecs:[],headerExtensions:[]};for(const s of e.codecs){const e={mimeType:s.mimeType,kind:s.kind,preferredPayloadType:s.remotePayloadType,clockRate:s.clockRate,channels:s.channels,parameters:s.localParameters,rtcpFeedback:s.rtcpFeedback};if(t.codecs.push(e),!s.remoteRtxPayloadType)continue;const r={mimeType:`${s.kind}/rtx`,kind:s.kind,preferredPayloadType:s.remoteRtxPayloadType,clockRate:s.clockRate,parameters:{apt:s.remotePayloadType},rtcpFeedback:[]};t.codecs.push(r)}for(const s of e.headerExtensions){if("sendrecv"!==s.direction&&"recvonly"!==s.direction)continue;const e={kind:s.kind,uri:s.uri,preferredId:s.recvId,preferredEncrypt:s.encrypt,direction:s.direction};t.headerExtensions.push(e)}return t},t.getSendingRtpParameters=function(e,t){const s={mid:void 0,codecs:[],headerExtensions:[],encodings:[],rtcp:{}};for(const r of t.codecs){if(r.kind!==e)continue;const t={mimeType:r.mimeType,payloadType:r.localPayloadType,clockRate:r.clockRate,channels:r.channels,parameters:r.localParameters,rtcpFeedback:r.rtcpFeedback};if(s.codecs.push(t),r.localRtxPayloadType){const e={mimeType:`${r.kind}/rtx`,payloadType:r.localRtxPayloadType,clockRate:r.clockRate,parameters:{apt:r.localPayloadType},rtcpFeedback:[]};s.codecs.push(e)}}for(const r of t.headerExtensions){if(r.kind&&r.kind!==e||"sendrecv"!==r.direction&&"sendonly"!==r.direction)continue;const t={uri:r.uri,id:r.sendId,encrypt:r.encrypt,parameters:{}};s.headerExtensions.push(t)}return s},t.getSendingRemoteRtpParameters=function(e,t){const s={mid:void 0,codecs:[],headerExtensions:[],encodings:[],rtcp:{}};for(const r of t.codecs){if(r.kind!==e)continue;const t={mimeType:r.mimeType,payloadType:r.localPayloadType,clockRate:r.clockRate,channels:r.channels,parameters:r.remoteParameters,rtcpFeedback:r.rtcpFeedback};if(s.codecs.push(t),r.localRtxPayloadType){const e={mimeType:`${r.kind}/rtx`,payloadType:r.localRtxPayloadType,clockRate:r.clockRate,parameters:{apt:r.localPayloadType},rtcpFeedback:[]};s.codecs.push(e)}}for(const r of t.headerExtensions){if(r.kind&&r.kind!==e||"sendrecv"!==r.direction&&"sendonly"!==r.direction)continue;const t={uri:r.uri,id:r.sendId,encrypt:r.encrypt,parameters:{}};s.headerExtensions.push(t)}if(s.headerExtensions.some((e=>"http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01"===e.uri)))for(const e of s.codecs)e.rtcpFeedback=(e.rtcpFeedback??[]).filter((e=>"goog-remb"!==e.type));else if(s.headerExtensions.some((e=>"http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time"===e.uri)))for(const e of s.codecs)e.rtcpFeedback=(e.rtcpFeedback??[]).filter((e=>"transport-cc"!==e.type));else for(const e of s.codecs)e.rtcpFeedback=(e.rtcpFeedback??[]).filter((e=>"transport-cc"!==e.type&&"goog-remb"!==e.type));return s},t.reduceCodecs=function(e,t){const s=[];if(t){for(let r=0;r<e.length;++r)if(v(e[r],t,{strict:!0})){s.push(e[r]),b(e[r+1])&&s.push(e[r+1]);break}if(0===s.length)throw new TypeError("no matching codec found")}else s.push(e[0]),b(e[1])&&s.push(e[1]);return s},t.generateProbatorRtpParameters=function(e){h(e=c.clone(e));const t={mid:d,codecs:[],headerExtensions:[],encodings:[{ssrc:p}],rtcp:{cname:"probator"}};return t.codecs.push(e.codecs[0]),t.codecs[0].payloadType=l,t.headerExtensions=e.headerExtensions,t},t.canSend=function(e,t){return t.codecs.some((t=>t.kind===e))},t.canReceive=function(e,t){if(h(e),0===e.codecs.length)return!1;const s=e.codecs[0];return t.codecs.some((e=>e.remotePayloadType===s.payloadType))};const o=n(s(3200)),c=n(s(1765)),d="probator",p=1234,l=127;function h(e){if("object"!=typeof e)throw new TypeError("params is not an object");if(e.mid&&"string"!=typeof e.mid)throw new TypeError("params.mid is not a string");if(!Array.isArray(e.codecs))throw new TypeError("missing params.codecs");for(const t of e.codecs)g(t);if(e.headerExtensions&&!Array.isArray(e.headerExtensions))throw new TypeError("params.headerExtensions is not an array");e.headerExtensions||(e.headerExtensions=[]);for(const t of e.headerExtensions)_(t);if(e.encodings&&!Array.isArray(e.encodings))throw new TypeError("params.encodings is not an array");e.encodings||(e.encodings=[]);for(const t of e.encodings)w(t);if(e.rtcp&&"object"!=typeof e.rtcp)throw new TypeError("params.rtcp is not an object");e.rtcp||(e.rtcp={}),function(e){if("object"!=typeof e)throw new TypeError("rtcp is not an object");if(e.cname&&"string"!=typeof e.cname)throw new TypeError("invalid rtcp.cname");e.reducedSize&&"boolean"==typeof e.reducedSize||(e.reducedSize=!0)}(e.rtcp)}function m(e){const t=new RegExp("^(audio|video)/(.+)","i");if("object"!=typeof e)throw new TypeError("codec is not an object");if(!e.mimeType||"string"!=typeof e.mimeType)throw new TypeError("missing codec.mimeType");const s=t.exec(e.mimeType);if(!s)throw new TypeError("invalid codec.mimeType");if(e.kind=s[1].toLowerCase(),e.preferredPayloadType&&"number"!=typeof e.preferredPayloadType)throw new TypeError("invalid codec.preferredPayloadType");if("number"!=typeof e.clockRate)throw new TypeError("missing codec.clockRate");"audio"===e.kind?"number"!=typeof e.channels&&(e.channels=1):delete e.channels,e.parameters&&"object"==typeof e.parameters||(e.parameters={});for(const t of Object.keys(e.parameters)){let s=e.parameters[t];if(void 0===s&&(e.parameters[t]="",s=""),"string"!=typeof s&&"number"!=typeof s)throw new TypeError(`invalid codec parameter [key:${t}s, value:${s}]`);if("apt"===t&&"number"!=typeof s)throw new TypeError("invalid codec apt parameter")}e.rtcpFeedback&&Array.isArray(e.rtcpFeedback)||(e.rtcpFeedback=[]);for(const t of e.rtcpFeedback)u(t)}function u(e){if("object"!=typeof e)throw new TypeError("fb is not an object");if(!e.type||"string"!=typeof e.type)throw new TypeError("missing fb.type");e.parameter&&"string"==typeof e.parameter||(e.parameter="")}function f(e){if("object"!=typeof e)throw new TypeError("ext is not an object");if("audio"!==e.kind&&"video"!==e.kind)throw new TypeError("invalid ext.kind");if(!e.uri||"string"!=typeof e.uri)throw new TypeError("missing ext.uri");if("number"!=typeof e.preferredId)throw new TypeError("missing ext.preferredId");if(e.preferredEncrypt&&"boolean"!=typeof e.preferredEncrypt)throw new TypeError("invalid ext.preferredEncrypt");if(e.preferredEncrypt||(e.preferredEncrypt=!1),e.direction&&"string"!=typeof e.direction)throw new TypeError("invalid ext.direction");e.direction||(e.direction="sendrecv")}function g(e){const t=new RegExp("^(audio|video)/(.+)","i");if("object"!=typeof e)throw new TypeError("codec is not an object");if(!e.mimeType||"string"!=typeof e.mimeType)throw new TypeError("missing codec.mimeType");const s=t.exec(e.mimeType);if(!s)throw new TypeError("invalid codec.mimeType");if("number"!=typeof e.payloadType)throw new TypeError("missing codec.payloadType");if("number"!=typeof e.clockRate)throw new TypeError("missing codec.clockRate");"audio"===s[1].toLowerCase()?"number"!=typeof e.channels&&(e.channels=1):delete e.channels,e.parameters&&"object"==typeof e.parameters||(e.parameters={});for(const t of Object.keys(e.parameters)){let s=e.parameters[t];if(void 0===s&&(e.parameters[t]="",s=""),"string"!=typeof s&&"number"!=typeof s)throw new TypeError(`invalid codec parameter [key:${t}s, value:${s}]`);if("apt"===t&&"number"!=typeof s)throw new TypeError("invalid codec apt parameter")}e.rtcpFeedback&&Array.isArray(e.rtcpFeedback)||(e.rtcpFeedback=[]);for(const t of e.rtcpFeedback)u(t)}function _(e){if("object"!=typeof e)throw new TypeError("ext is not an object");if(!e.uri||"string"!=typeof e.uri)throw new TypeError("missing ext.uri");if("number"!=typeof e.id)throw new TypeError("missing ext.id");if(e.encrypt&&"boolean"!=typeof e.encrypt)throw new TypeError("invalid ext.encrypt");e.encrypt||(e.encrypt=!1),e.parameters&&"object"==typeof e.parameters||(e.parameters={});for(const t of Object.keys(e.parameters)){let s=e.parameters[t];if(void 0===s&&(e.parameters[t]="",s=""),"string"!=typeof s&&"number"!=typeof s)throw new TypeError("invalid header extension parameter")}}function w(e){if("object"!=typeof e)throw new TypeError("encoding is not an object");if(e.ssrc&&"number"!=typeof e.ssrc)throw new TypeError("invalid encoding.ssrc");if(e.rid&&"string"!=typeof e.rid)throw new TypeError("invalid encoding.rid");if(e.rtx&&"object"!=typeof e.rtx)throw new TypeError("invalid encoding.rtx");if(e.rtx&&"number"!=typeof e.rtx.ssrc)throw new TypeError("missing encoding.rtx.ssrc");if(e.dtx&&"boolean"==typeof e.dtx||(e.dtx=!1),e.scalabilityMode&&"string"!=typeof e.scalabilityMode)throw new TypeError("invalid encoding.scalabilityMode")}function b(e){return!!e&&/.+\/rtx$/i.test(e.mimeType)}function v(e,t,{strict:s=!1,modify:r=!1}={}){const i=e.mimeType.toLowerCase();if(i!==t.mimeType.toLowerCase())return!1;if(e.clockRate!==t.clockRate)return!1;if(e.channels!==t.channels)return!1;switch(i){case"video/h264":if(s){if((e.parameters["packetization-mode"]??0)!==(t.parameters["packetization-mode"]??0))return!1;if(!o.isSameProfile(e.parameters,t.parameters))return!1;let s;try{s=o.generateProfileLevelIdStringForAnswer(e.parameters,t.parameters)}catch(e){return!1}r&&(s?(e.parameters["profile-level-id"]=s,t.parameters["profile-level-id"]=s):(delete e.parameters["profile-level-id"],delete t.parameters["profile-level-id"]))}break;case"video/vp9":if(s&&(e.parameters["profile-id"]??0)!==(t.parameters["profile-id"]??0))return!1}return!0}function y(e,t){const s=[];for(const r of e.rtcpFeedback??[]){const e=(t.rtcpFeedback??[]).find((e=>e.type===r.type&&(e.parameter===r.parameter||!e.parameter&&!r.parameter)));e&&s.push(e)}return s}},8057:function(e,t,s){"use strict";var r=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),i=this&&this.__exportStar||function(e,t){for(var s in e)"default"===s||Object.prototype.hasOwnProperty.call(t,s)||r(t,e,s)};Object.defineProperty(t,"__esModule",{value:!0}),i(s(6004),t),i(s(5601),t),i(s(9792),t),i(s(3518),t),i(s(7504),t),i(s(9166),t),i(s(5370),t),i(s(4160),t),i(s(521),t),i(s(4893),t)},8155:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Chrome67=void 0;const o=n(s(7363)),c=s(2994),d=n(s(1765)),p=n(s(8046)),l=n(s(5544)),h=n(s(4496)),m=s(521),u=s(1305),f=new c.Logger("Chrome67"),g={OS:1024,MIS:1024};class _ extends m.HandlerInterface{static createFactory(){return()=>new _}constructor(){super(),this._sendStream=new MediaStream,this._mapSendLocalIdRtpSender=new Map,this._nextSendLocalId=0,this._mapRecvLocalIdInfo=new Map,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Chrome67"}close(){if(f.debug("close()"),this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}async getNativeRtpCapabilities(){f.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"plan-b"});try{const t=await e.createOffer({offerToReceiveAudio:!0,offerToReceiveVideo:!0});try{e.close()}catch(e){}const s=o.parse(t.sdp);return l.extractRtpCapabilities({sdpObject:s})}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return f.debug("getNativeSctpCapabilities()"),{numStreams:g}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){f.debug("run()"),this._direction=e,this._remoteSdp=new u.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,planB:!0}),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",d),video:p.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:p.getSendingRemoteRtpParameters("audio",d),video:p.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"plan-b",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(f.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){f.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(f.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});f.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();f.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){this.assertSendDirection(),f.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),r&&f.warn("send() | codec selection is not available in %s handler",this.name),this._sendStream.addTrack(e),this._pc.addTrack(e,this._sendStream);let i,a=await this._pc.createOffer(),n=o.parse(a.sdp);const c=d.clone(this._sendingRtpParametersByKind[e.kind]);c.codecs=p.reduceCodecs(c.codecs);const m=d.clone(this._sendingRemoteRtpParametersByKind[e.kind]);if(m.codecs=p.reduceCodecs(m.codecs),this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:n}),"video"===e.kind&&t&&t.length>1&&(f.debug("send() | enabling simulcast"),n=o.parse(a.sdp),i=n.media.find((e=>"video"===e.type)),h.addLegacySimulcast({offerMediaObject:i,track:e,numStreams:t.length}),a={type:"offer",sdp:o.write(n)}),f.debug("send() | calling pc.setLocalDescription() [offer:%o]",a),await this._pc.setLocalDescription(a),n=o.parse(this._pc.localDescription.sdp),i=n.media.find((t=>t.type===e.kind)),c.rtcp.cname=l.getCname({offerMediaObject:i}),c.encodings=h.getRtpEncodings({offerMediaObject:i,track:e}),t)for(let e=0;e<c.encodings.length;++e)t[e]&&Object.assign(c.encodings[e],t[e]);if(c.encodings.length>1&&"video/vp8"===c.codecs[0].mimeType.toLowerCase())for(const e of c.encodings)e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:i,offerRtpParameters:c,answerRtpParameters:m,codecOptions:s});const u={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("send() | calling pc.setRemoteDescription() [answer:%o]",u),await this._pc.setRemoteDescription(u);const g=String(this._nextSendLocalId);this._nextSendLocalId++;const _=this._pc.getSenders().find((t=>t.track===e));return this._mapSendLocalIdRtpSender.set(g,_),{localId:g,rtpParameters:c,rtpSender:_}}async stopSending(e){this.assertSendDirection(),f.debug("stopSending() [localId:%s]",e);const t=this._mapSendLocalIdRtpSender.get(e);if(!t)throw new Error("associated RTCRtpSender not found");this._pc.removeTrack(t),t.track&&this._sendStream.removeTrack(t.track),this._mapSendLocalIdRtpSender.delete(e);const s=await this._pc.createOffer();f.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s);try{await this._pc.setLocalDescription(s)}catch(e){if(0===this._sendStream.getTracks().length)return void f.warn("stopSending() | ignoring expected error due no sending tracks: %s",e.toString());throw e}if("stable"===this._pc.signalingState)return;const r={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async pauseSending(e){}async resumeSending(e){}async replaceTrack(e,t){this.assertSendDirection(),t?f.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):f.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapSendLocalIdRtpSender.get(e);if(!s)throw new Error("associated RTCRtpSender not found");const r=s.track;await s.replaceTrack(t),r&&this._sendStream.removeTrack(r),t&&this._sendStream.addTrack(t)}async setMaxSpatialLayer(e,t){this.assertSendDirection(),f.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapSendLocalIdRtpSender.get(e);if(!s)throw new Error("associated RTCRtpSender not found");const r=s.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.setParameters(r)}async setRtpEncodingParameters(e,t){this.assertSendDirection(),f.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapSendLocalIdRtpSender.get(e);if(!s)throw new Error("associated RTCRtpSender not found");const r=s.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.setParameters(r)}async getSenderStats(e){this.assertSendDirection();const t=this._mapSendLocalIdRtpSender.get(e);if(!t)throw new Error("associated RTCRtpSender not found");return t.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmitTime:t,maxRetransmits:s,protocol:i};f.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%g.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),f.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertRecvDirection();const t=[];for(const t of e){const{trackId:e,kind:s,rtpParameters:r,streamId:i}=t;f.debug("receive() [trackId:%s, kind:%s]",e,s);const a=s;this._remoteSdp.receive({mid:a,kind:s,offerRtpParameters:r,streamId:i??r.rtcp.cname,trackId:e})}const s={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",s),await this._pc.setRemoteDescription(s);let r=await this._pc.createAnswer();const i=o.parse(r.sdp);for(const t of e){const{kind:e,rtpParameters:s}=t,r=e,a=i.media.find((e=>String(e.mid)===r));l.applyCodecParameters({offerRtpParameters:s,answerMediaObject:a})}r={type:"answer",sdp:o.write(i)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:i}),f.debug("receive() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r);for(const s of e){const{kind:e,trackId:r,rtpParameters:i}=s,a=r,n=e,o=this._pc.getReceivers().find((e=>e.track&&e.track.id===a));if(!o)throw new Error("new RTCRtpReceiver not");this._mapRecvLocalIdInfo.set(a,{mid:n,rtpParameters:i,rtpReceiver:o}),t.push({localId:a,track:o.track,rtpReceiver:o})}return t}async stopReceiving(e){this.assertRecvDirection();for(const t of e){f.debug("stopReceiving() [localId:%s]",t);const{mid:e,rtpParameters:s}=this._mapRecvLocalIdInfo.get(t)??{};this._mapRecvLocalIdInfo.delete(t),this._remoteSdp.planBStopReceiving({mid:e,offerRtpParameters:s})}const t={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();f.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async pauseReceiving(e){}async resumeReceiving(e){}async getReceiverStats(e){this.assertRecvDirection();const{rtpReceiver:t}=this._mapRecvLocalIdInfo.get(e)??{};if(!t)throw new Error("associated RTCRtpReceiver not found");return t.getStats()}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmitTime:a,maxRetransmits:n,protocol:s};f.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation({oldDataChannelSpec:!0});const e={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}f.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=l.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Chrome67=_},8274:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Logger=void 0;const r=s(1814),i="awaitqueue";t.Logger=class{constructor(e){e?(this._debug=r(`${i}:${e}`),this._warn=r(`${i}:WARN:${e}`),this._error=r(`${i}:ERROR:${e}`)):(this._debug=r(i),this._warn=r(`${i}:WARN`),this._error=r(`${i}:ERROR`)),this._debug.log=console.info.bind(console),this._warn.log=console.warn.bind(console),this._error.log=console.error.bind(console)}get debug(){return this._debug}get warn(){return this._warn}get error(){return this._error}}},8633:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Edge11=void 0;const o=s(2994),c=s(4893),d=n(s(1765)),p=n(s(8046)),l=n(s(8751)),h=s(521),m=new o.Logger("Edge11");class u extends h.HandlerInterface{static createFactory(){return()=>new u}constructor(){super(),this._rtpSenders=new Map,this._rtpReceivers=new Map,this._nextSendLocalId=0,this._transportReady=!1}get name(){return"Edge11"}close(){m.debug("close()");try{this._iceGatherer.close()}catch(e){}try{this._iceTransport.stop()}catch(e){}try{this._dtlsTransport.stop()}catch(e){}for(const e of this._rtpSenders.values())try{e.stop()}catch(e){}for(const e of this._rtpReceivers.values())try{e.stop()}catch(e){}this.emit("@close")}async getNativeRtpCapabilities(){return m.debug("getNativeRtpCapabilities()"),l.getCapabilities()}async getNativeSctpCapabilities(){return m.debug("getNativeSctpCapabilities()"),{numStreams:{OS:0,MIS:0}}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:l}){m.debug("run()"),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",l),video:p.getSendingRtpParameters("video",l)},this._remoteIceParameters=t,this._remoteIceCandidates=s,this._remoteDtlsParameters=r,this._cname=`CNAME-${d.generateRandomNumber()}`,this.setIceGatherer({iceServers:a,iceTransportPolicy:n}),this.setIceTransport(),this.setDtlsTransport()}async updateIceServers(e){throw new c.UnsupportedError("not supported")}async restartIce(e){if(m.debug("restartIce()"),this._remoteIceParameters=e,this._transportReady){m.debug("restartIce() | calling iceTransport.start()"),this._iceTransport.start(this._iceGatherer,e,"controlling");for(const e of this._remoteIceCandidates)this._iceTransport.addRemoteCandidate(e);this._iceTransport.addRemoteCandidate({})}}async getTransportStats(){return this._iceTransport.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){m.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),this._transportReady||await this.setupTransport({localDtlsRole:"server"}),m.debug("send() | calling new RTCRtpSender()");const i=new RTCRtpSender(e,this._dtlsTransport),a=d.clone(this._sendingRtpParametersByKind[e.kind]);a.codecs=p.reduceCodecs(a.codecs,r);const n=a.codecs.some((e=>/.+\/rtx$/i.test(e.mimeType)));t||(t=[{}]);for(const e of t)e.ssrc=d.generateRandomNumber(),n&&(e.rtx={ssrc:d.generateRandomNumber()});a.encodings=t,a.rtcp={cname:this._cname,reducedSize:!0,mux:!0};const o=l.mangleRtpParameters(a);m.debug("send() | calling rtpSender.send() [params:%o]",o),await i.send(o);const c=String(this._nextSendLocalId);return this._nextSendLocalId++,this._rtpSenders.set(c,i),{localId:c,rtpParameters:a,rtpSender:i}}async stopSending(e){m.debug("stopSending() [localId:%s]",e);const t=this._rtpSenders.get(e);if(!t)throw new Error("RTCRtpSender not found");this._rtpSenders.delete(e);try{m.debug("stopSending() | calling rtpSender.stop()"),t.stop()}catch(e){throw m.warn("stopSending() | rtpSender.stop() failed:%o",e),e}}async pauseSending(e){}async resumeSending(e){}async replaceTrack(e,t){t?m.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):m.debug("replaceTrack() [localId:%s, no track]",e);const s=this._rtpSenders.get(e);if(!s)throw new Error("RTCRtpSender not found");s.setTrack(t)}async setMaxSpatialLayer(e,t){m.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._rtpSenders.get(e);if(!s)throw new Error("RTCRtpSender not found");const r=s.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.setParameters(r)}async setRtpEncodingParameters(e,t){m.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._rtpSenders.get(e);if(!s)throw new Error("RTCRtpSender not found");const r=s.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.setParameters(r)}async getSenderStats(e){const t=this._rtpSenders.get(e);if(!t)throw new Error("RTCRtpSender not found");return t.getStats()}async sendDataChannel(e){throw new c.UnsupportedError("not implemented")}async receive(e){const t=[];for(const t of e){const{trackId:e,kind:s}=t;m.debug("receive() [trackId:%s, kind:%s]",e,s)}this._transportReady||await this.setupTransport({localDtlsRole:"server"});for(const s of e){const{trackId:e,kind:r,rtpParameters:i}=s;m.debug("receive() | calling new RTCRtpReceiver()");const a=new RTCRtpReceiver(this._dtlsTransport,r);a.addEventListener("error",(e=>{m.error('rtpReceiver "error" event [event:%o]',e)}));const n=l.mangleRtpParameters(i);m.debug("receive() | calling rtpReceiver.receive() [params:%o]",n),await a.receive(n);const o=e;this._rtpReceivers.set(o,a),t.push({localId:o,track:a.track,rtpReceiver:a})}return t}async stopReceiving(e){for(const t of e){m.debug("stopReceiving() [localId:%s]",t);const e=this._rtpReceivers.get(t);if(!e)throw new Error("RTCRtpReceiver not found");this._rtpReceivers.delete(t);try{m.debug("stopReceiving() | calling rtpReceiver.stop()"),e.stop()}catch(e){m.warn("stopReceiving() | rtpReceiver.stop() failed:%o",e)}}}async pauseReceiving(e){}async resumeReceiving(e){}async getReceiverStats(e){const t=this._rtpReceivers.get(e);if(!t)throw new Error("RTCRtpReceiver not found");return t.getStats()}async receiveDataChannel(e){throw new c.UnsupportedError("not implemented")}setIceGatherer({iceServers:e,iceTransportPolicy:t}){const s=new RTCIceGatherer({iceServers:e??[],gatherPolicy:t??"all"});s.addEventListener("error",(e=>{m.error('iceGatherer "error" event [event:%o]',e)}));try{s.gather()}catch(e){m.debug("setIceGatherer() | iceGatherer.gather() failed: %s",e.toString())}this._iceGatherer=s}setIceTransport(){const e=new RTCIceTransport(this._iceGatherer);e.addEventListener("statechange",(()=>{switch(e.state){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}})),e.addEventListener("icestatechange",(()=>{switch(e.state){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}})),e.addEventListener("candidatepairchange",(e=>{m.debug('iceTransport "candidatepairchange" event [pair:%o]',e.pair)})),this._iceTransport=e}setDtlsTransport(){const e=new RTCDtlsTransport(this._iceTransport);e.addEventListener("statechange",(()=>{m.debug('dtlsTransport "statechange" event [state:%s]',e.state)})),e.addEventListener("dtlsstatechange",(()=>{m.debug('dtlsTransport "dtlsstatechange" event [state:%s]',e.state),"closed"===e.state&&this.emit("@connectionstatechange","closed")})),e.addEventListener("error",(e=>{m.error('dtlsTransport "error" event [event:%o]',e)})),this._dtlsTransport=e}async setupTransport({localDtlsRole:e}){m.debug("setupTransport()");const t=this._dtlsTransport.getLocalParameters();t.role=e,await new Promise(((e,s)=>{this.safeEmit("@connect",{dtlsParameters:t},e,s)})),this._iceTransport.start(this._iceGatherer,this._remoteIceParameters,"controlling");for(const e of this._remoteIceCandidates)this._iceTransport.addRemoteCandidate(e);this._iceTransport.addRemoteCandidate({}),this._remoteDtlsParameters.fingerprints=this._remoteDtlsParameters.fingerprints.filter((e=>"sha-256"===e.algorithm||"sha-384"===e.algorithm||"sha-512"===e.algorithm)),this._dtlsTransport.start(this._remoteDtlsParameters),this._transportReady=!0}}t.Edge11=u},8751:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.getCapabilities=function(){const e=RTCRtpReceiver.getCapabilities(),t=o.clone(e);for(const e of t.codecs??[]){if(e.channels=e.numChannels,delete e.numChannels,e.mimeType=e.mimeType??`${e.kind}/${e.name}`,e.parameters){const t=e.parameters;t.apt&&(t.apt=Number(t.apt)),t["packetization-mode"]&&(t["packetization-mode"]=Number(t["packetization-mode"]))}for(const t of e.rtcpFeedback??[])t.parameter||(t.parameter="")}return t},t.mangleRtpParameters=function(e){const t=o.clone(e);t.mid&&(t.muxId=t.mid,delete t.mid);for(const e of t.codecs)e.channels&&(e.numChannels=e.channels,delete e.channels),e.mimeType&&!e.name&&(e.name=e.mimeType.split("/")[1]),delete e.mimeType;return t};const o=n(s(1765))},8876:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.AwaitQueueRemovedTaskError=t.AwaitQueueStoppedError=t.AwaitQueue=void 0;var r=s(9275);Object.defineProperty(t,"AwaitQueue",{enumerable:!0,get:function(){return r.AwaitQueue}});var i=s(4253);Object.defineProperty(t,"AwaitQueueStoppedError",{enumerable:!0,get:function(){return i.AwaitQueueStoppedError}}),Object.defineProperty(t,"AwaitQueueRemovedTaskError",{enumerable:!0,get:function(){return i.AwaitQueueRemovedTaskError}})},9166:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.DataConsumer=void 0;const r=s(2994),i=s(3953),a=new r.Logger("DataConsumer");class n extends i.EnhancedEventEmitter{constructor({id:e,dataProducerId:t,dataChannel:s,sctpStreamParameters:r,appData:n}){super(),this._closed=!1,this._observer=new i.EnhancedEventEmitter,a.debug("constructor()"),this._id=e,this._dataProducerId=t,this._dataChannel=s,this._sctpStreamParameters=r,this._appData=n??{},this.handleDataChannel()}get id(){return this._id}get dataProducerId(){return this._dataProducerId}get closed(){return this._closed}get sctpStreamParameters(){return this._sctpStreamParameters}get readyState(){return this._dataChannel.readyState}get label(){return this._dataChannel.label}get protocol(){return this._dataChannel.protocol}get binaryType(){return this._dataChannel.binaryType}set binaryType(e){this._dataChannel.binaryType=e}get appData(){return this._appData}set appData(e){this._appData=e}get observer(){return this._observer}close(){this._closed||(a.debug("close()"),this._closed=!0,this._dataChannel.close(),this.emit("@close"),this._observer.safeEmit("close"))}transportClosed(){this._closed||(a.debug("transportClosed()"),this._closed=!0,this._dataChannel.close(),this.safeEmit("transportclose"),this._observer.safeEmit("close"))}handleDataChannel(){this._dataChannel.addEventListener("open",(()=>{this._closed||(a.debug('DataChannel "open" event'),this.safeEmit("open"))})),this._dataChannel.addEventListener("error",(e=>{if(this._closed)return;let{error:t}=e;t||(t=new Error("unknown DataChannel error")),"sctp-failure"===t.errorDetail?a.error("DataChannel SCTP error [sctpCauseCode:%s]: %s",t.sctpCauseCode,t.message):a.error('DataChannel "error" event: %o',t),this.safeEmit("error",t)})),this._dataChannel.addEventListener("close",(()=>{this._closed||(a.warn('DataChannel "close" event'),this._closed=!0,this.emit("@close"),this.safeEmit("close"),this._observer.safeEmit("close"))})),this._dataChannel.addEventListener("message",(e=>{this._closed||this.safeEmit("message",e.data)}))}}t.DataConsumer=n},9275:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.AwaitQueue=void 0;const r=s(8274),i=s(4253),a=new r.Logger("AwaitQueue");t.AwaitQueue=class{constructor(){this.pendingTasks=new Map,this.nextTaskId=0,this.stopping=!1,a.debug("constructor()")}get size(){return this.pendingTasks.size}async push(e,t){if(t=t??e.name,a.debug(`push() [name:${t}]`),"function"!=typeof e)throw new TypeError("given task is not a function");if(t)try{Object.defineProperty(e,"name",{value:t})}catch(e){}return new Promise(((s,r)=>{const i={id:this.nextTaskId++,task:e,name:t,enqueuedAt:Date.now(),executedAt:void 0,completed:!1,resolve:e=>{if(i.completed)return;i.completed=!0,this.pendingTasks.delete(i.id),a.debug(`resolving task [name:${i.name}]`),s(e);const[t]=this.pendingTasks.values();t&&!t.executedAt&&this.execute(t)},reject:e=>{if(!i.completed&&(i.completed=!0,this.pendingTasks.delete(i.id),a.debug(`rejecting task [name:${i.name}]: %s`,String(e)),r(e),!this.stopping)){const[e]=this.pendingTasks.values();e&&!e.executedAt&&this.execute(e)}}};this.pendingTasks.set(i.id,i),1===this.pendingTasks.size&&this.execute(i)}))}stop(){a.debug("stop()"),this.stopping=!0;for(const e of this.pendingTasks.values())a.debug(`stop() | stopping task [name:${e.name}]`),e.reject(new i.AwaitQueueStoppedError);this.stopping=!1}remove(e){a.debug(`remove() [taskIdx:${e}]`);const t=Array.from(this.pendingTasks.values())[e];t?t.reject(new i.AwaitQueueRemovedTaskError):a.debug(`stop() | no task with given idx [taskIdx:${e}]`)}dump(){const e=Date.now();let t=0;return Array.from(this.pendingTasks.values()).map((s=>({idx:t++,task:s.task,name:s.name,enqueuedTime:s.executedAt?s.executedAt-s.enqueuedAt:e-s.enqueuedAt,executionTime:s.executedAt?e-s.executedAt:0})))}async execute(e){if(a.debug(`execute() [name:${e.name}]`),e.executedAt)throw new Error("task already being executed");e.executedAt=Date.now();try{const t=await e.task();e.resolve(t)}catch(t){e.reject(t)}}}},9352:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.ReactNative=void 0;const o=n(s(7363)),c=s(2994),d=s(4893),p=n(s(1765)),l=n(s(8046)),h=n(s(5544)),m=n(s(4496)),u=s(521),f=s(1305),g=new c.Logger("ReactNative"),_={OS:1024,MIS:1024};class w extends u.HandlerInterface{static createFactory(){return()=>new w}constructor(){super(),this._sendStream=new MediaStream,this._mapSendLocalIdTrack=new Map,this._nextSendLocalId=0,this._mapRecvLocalIdInfo=new Map,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"ReactNative"}close(){if(g.debug("close()"),this._sendStream.release(!1),this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}async getNativeRtpCapabilities(){g.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"plan-b"});try{const t=await e.createOffer({offerToReceiveAudio:!0,offerToReceiveVideo:!0});try{e.close()}catch(e){}const s=o.parse(t.sdp);return h.extractRtpCapabilities({sdpObject:s})}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return g.debug("getNativeSctpCapabilities()"),{numStreams:_}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){g.debug("run()"),this._direction=e,this._remoteSdp=new f.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,planB:!0}),this._sendingRtpParametersByKind={audio:l.getSendingRtpParameters("audio",d),video:l.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:l.getSendingRemoteRtpParameters("audio",d),video:l.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"plan-b",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(g.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){g.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(g.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});g.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();g.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){this.assertSendDirection(),g.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),r&&g.warn("send() | codec selection is not available in %s handler",this.name),this._sendStream.addTrack(e),this._pc.addStream(this._sendStream);let i,a=await this._pc.createOffer(),n=o.parse(a.sdp);const c=p.clone(this._sendingRtpParametersByKind[e.kind]);c.codecs=l.reduceCodecs(c.codecs);const d=p.clone(this._sendingRemoteRtpParametersByKind[e.kind]);if(d.codecs=l.reduceCodecs(d.codecs),this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:n}),"video"===e.kind&&t&&t.length>1&&(g.debug("send() | enabling simulcast"),n=o.parse(a.sdp),i=n.media.find((e=>"video"===e.type)),m.addLegacySimulcast({offerMediaObject:i,track:e,numStreams:t.length}),a={type:"offer",sdp:o.write(n)}),g.debug("send() | calling pc.setLocalDescription() [offer:%o]",a),await this._pc.setLocalDescription(a),n=o.parse(this._pc.localDescription.sdp),i=n.media.find((t=>t.type===e.kind)),c.rtcp.cname=h.getCname({offerMediaObject:i}),c.encodings=m.getRtpEncodings({offerMediaObject:i,track:e}),t)for(let e=0;e<c.encodings.length;++e)t[e]&&Object.assign(c.encodings[e],t[e]);if(c.encodings.length>1&&("video/vp8"===c.codecs[0].mimeType.toLowerCase()||"video/h264"===c.codecs[0].mimeType.toLowerCase()))for(const e of c.encodings)e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:i,offerRtpParameters:c,answerRtpParameters:d,codecOptions:s});const u={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("send() | calling pc.setRemoteDescription() [answer:%o]",u),await this._pc.setRemoteDescription(u);const f=String(this._nextSendLocalId);return this._nextSendLocalId++,this._mapSendLocalIdTrack.set(f,e),{localId:f,rtpParameters:c}}async stopSending(e){this.assertSendDirection(),g.debug("stopSending() [localId:%s]",e);const t=this._mapSendLocalIdTrack.get(e);if(!t)throw new Error("track not found");this._mapSendLocalIdTrack.delete(e),this._sendStream.removeTrack(t),this._pc.addStream(this._sendStream);const s=await this._pc.createOffer();g.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s);try{await this._pc.setLocalDescription(s)}catch(e){if(0===this._sendStream.getTracks().length)return void g.warn("stopSending() | ignoring expected error due no sending tracks: %s",e.toString());throw e}if("stable"===this._pc.signalingState)return;const r={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async pauseSending(e){}async resumeSending(e){}async replaceTrack(e,t){throw new d.UnsupportedError("not implemented")}async setMaxSpatialLayer(e,t){throw new d.UnsupportedError("not implemented")}async setRtpEncodingParameters(e,t){throw new d.UnsupportedError("not implemented")}async getSenderStats(e){throw new d.UnsupportedError("not implemented")}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmitTime:t,maxRetransmits:s,protocol:i};g.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%_.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),g.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};g.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertRecvDirection();const t=[],s=new Map;for(const t of e){const{trackId:e,kind:r,rtpParameters:i}=t;g.debug("receive() [trackId:%s, kind:%s]",e,r);const a=r;let n=t.streamId??i.rtcp.cname;g.debug("receive() | forcing a random remote streamId to avoid well known bug in react-native-webrtc"),n+=`-hack-${p.generateRandomNumber()}`,s.set(e,n),this._remoteSdp.receive({mid:a,kind:r,offerRtpParameters:i,streamId:n,trackId:e})}const r={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",r),await this._pc.setRemoteDescription(r);let i=await this._pc.createAnswer();const a=o.parse(i.sdp);for(const t of e){const{kind:e,rtpParameters:s}=t,r=e,i=a.media.find((e=>String(e.mid)===r));h.applyCodecParameters({offerRtpParameters:s,answerMediaObject:i})}i={type:"answer",sdp:o.write(a)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:a}),g.debug("receive() | calling pc.setLocalDescription() [answer:%o]",i),await this._pc.setLocalDescription(i);for(const r of e){const{kind:e,trackId:i,rtpParameters:a}=r,n=i,o=e,c=s.get(i),d=this._pc.getRemoteStreams().find((e=>e.id===c)).getTrackById(n);if(!d)throw new Error("remote track not found");this._mapRecvLocalIdInfo.set(n,{mid:o,rtpParameters:a}),t.push({localId:n,track:d})}return t}async stopReceiving(e){this.assertRecvDirection();for(const t of e){g.debug("stopReceiving() [localId:%s]",t);const{mid:e,rtpParameters:s}=this._mapRecvLocalIdInfo.get(t)??{};this._mapRecvLocalIdInfo.delete(t),this._remoteSdp.planBStopReceiving({mid:e,offerRtpParameters:s})}const t={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();g.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async pauseReceiving(e){}async resumeReceiving(e){}async getReceiverStats(e){throw new d.UnsupportedError("not implemented")}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmitTime:a,maxRetransmits:n,protocol:s};g.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation({oldDataChannelSpec:!0});const e={type:"offer",sdp:this._remoteSdp.getSdp()};g.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}g.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=h.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.ReactNative=w},9596:e=>{"use strict";var t,s="object"==typeof Reflect?Reflect:null,r=s&&"function"==typeof s.apply?s.apply:function(e,t,s){return Function.prototype.apply.call(e,t,s)};t=s&&"function"==typeof s.ownKeys?s.ownKeys:Object.getOwnPropertySymbols?function(e){return Object.getOwnPropertyNames(e).concat(Object.getOwnPropertySymbols(e))}:function(e){return Object.getOwnPropertyNames(e)};var i=Number.isNaN||function(e){return e!=e};function a(){a.init.call(this)}e.exports=a,e.exports.once=function(e,t){return new Promise((function(s,r){function i(s){e.removeListener(t,a),r(s)}function a(){"function"==typeof e.removeListener&&e.removeListener("error",i),s([].slice.call(arguments))}f(e,t,a,{once:!0}),"error"!==t&&function(e,t){"function"==typeof e.on&&f(e,"error",t,{once:!0})}(e,i)}))},a.EventEmitter=a,a.prototype._events=void 0,a.prototype._eventsCount=0,a.prototype._maxListeners=void 0;var n=10;function o(e){if("function"!=typeof e)throw new TypeError('The "listener" argument must be of type Function. Received type '+typeof e)}function c(e){return void 0===e._maxListeners?a.defaultMaxListeners:e._maxListeners}function d(e,t,s,r){var i,a,n,d;if(o(s),void 0===(a=e._events)?(a=e._events=Object.create(null),e._eventsCount=0):(void 0!==a.newListener&&(e.emit("newListener",t,s.listener?s.listener:s),a=e._events),n=a[t]),void 0===n)n=a[t]=s,++e._eventsCount;else if("function"==typeof n?n=a[t]=r?[s,n]:[n,s]:r?n.unshift(s):n.push(s),(i=c(e))>0&&n.length>i&&!n.warned){n.warned=!0;var p=new Error("Possible EventEmitter memory leak detected. "+n.length+" "+String(t)+" listeners added. 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Received type '+typeof e);e.addEventListener(t,(function i(a){r.once&&e.removeEventListener(t,i),s(a)}))}}Object.defineProperty(a,"defaultMaxListeners",{enumerable:!0,get:function(){return n},set:function(e){if("number"!=typeof e||e<0||i(e))throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received '+e+".");n=e}}),a.init=function(){void 0!==this._events&&this._events!==Object.getPrototypeOf(this)._events||(this._events=Object.create(null),this._eventsCount=0),this._maxListeners=this._maxListeners||void 0},a.prototype.setMaxListeners=function(e){if("number"!=typeof e||e<0||i(e))throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received '+e+".");return this._maxListeners=e,this},a.prototype.getMaxListeners=function(){return c(this)},a.prototype.emit=function(e){for(var t=[],s=1;s<arguments.length;s++)t.push(arguments[s]);var i="error"===e,a=this._events;if(void 0!==a)i=i&&void 0===a.error;else if(!i)return!1;if(i){var n;if(t.length>0&&(n=t[0]),n instanceof Error)throw n;var o=new Error("Unhandled error."+(n?" ("+n.message+")":""));throw o.context=n,o}var c=a[e];if(void 0===c)return!1;if("function"==typeof c)r(c,this,t);else{var d=c.length,p=u(c,d);for(s=0;s<d;++s)r(p[s],this,t)}return!0},a.prototype.addListener=function(e,t){return d(this,e,t,!1)},a.prototype.on=a.prototype.addListener,a.prototype.prependListener=function(e,t){return d(this,e,t,!0)},a.prototype.once=function(e,t){return o(t),this.on(e,l(this,e,t)),this},a.prototype.prependOnceListener=function(e,t){return o(t),this.prependListener(e,l(this,e,t)),this},a.prototype.removeListener=function(e,t){var s,r,i,a,n;if(o(t),void 0===(r=this._events))return this;if(void 0===(s=r[e]))return this;if(s===t||s.listener===t)0==--this._eventsCount?this._events=Object.create(null):(delete r[e],r.removeListener&&this.emit("removeListener",e,s.listener||t));else if("function"!=typeof s){for(i=-1,a=s.length-1;a>=0;a--)if(s[a]===t||s[a].listener===t){n=s[a].listener,i=a;break}if(i<0)return this;0===i?s.shift():function(e,t){for(;t+1<e.length;t++)e[t]=e[t+1];e.pop()}(s,i),1===s.length&&(r[e]=s[0]),void 0!==r.removeListener&&this.emit("removeListener",e,n||t)}return this},a.prototype.off=a.prototype.removeListener,a.prototype.removeAllListeners=function(e){var t,s,r;if(void 0===(s=this._events))return this;if(void 0===s.removeListener)return 0===arguments.length?(this._events=Object.create(null),this._eventsCount=0):void 0!==s[e]&&(0==--this._eventsCount?this._events=Object.create(null):delete s[e]),this;if(0===arguments.length){var i,a=Object.keys(s);for(r=0;r<a.length;++r)"removeListener"!==(i=a[r])&&this.removeAllListeners(i);return this.removeAllListeners("removeListener"),this._events=Object.create(null),this._eventsCount=0,this}if("function"==typeof(t=s[e]))this.removeListener(e,t);else if(void 0!==t)for(r=t.length-1;r>=0;r--)this.removeListener(e,t[r]);return this},a.prototype.listeners=function(e){return h(this,e,!0)},a.prototype.rawListeners=function(e){return h(this,e,!1)},a.listenerCount=function(e,t){return"function"==typeof e.listenerCount?e.listenerCount(t):m.call(e,t)},a.prototype.listenerCount=m,a.prototype.eventNames=function(){return this._eventsCount>0?t(this._events):[]}},9676:function(e,t,s){"use strict";var r,i=this&&this.__createBinding||(Object.create?function(e,t,s,r){void 0===r&&(r=s);var i=Object.getOwnPropertyDescriptor(t,s);i&&!("get"in i?!t.__esModule:i.writable||i.configurable)||(i={enumerable:!0,get:function(){return t[s]}}),Object.defineProperty(e,r,i)}:function(e,t,s,r){void 0===r&&(r=s),e[r]=t[s]}),a=this&&this.__setModuleDefault||(Object.create?function(e,t){Object.defineProperty(e,"default",{enumerable:!0,value:t})}:function(e,t){e.default=t}),n=this&&this.__importStar||(r=function(e){return r=Object.getOwnPropertyNames||function(e){var t=[];for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&(t[t.length]=s);return t},r(e)},function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var s=r(e),n=0;n<s.length;n++)"default"!==s[n]&&i(t,e,s[n]);return a(t,e),t});Object.defineProperty(t,"__esModule",{value:!0}),t.Safari11=void 0;const o=n(s(7363)),c=s(2994),d=n(s(1765)),p=n(s(8046)),l=n(s(5544)),h=n(s(4496)),m=s(521),u=s(1305),f=new c.Logger("Safari11"),g={OS:1024,MIS:1024};class _ extends m.HandlerInterface{static createFactory(){return()=>new _}constructor(){super(),this._sendStream=new MediaStream,this._mapSendLocalIdRtpSender=new Map,this._nextSendLocalId=0,this._mapRecvLocalIdInfo=new Map,this._hasDataChannelMediaSection=!1,this._nextSendSctpStreamId=0,this._transportReady=!1}get name(){return"Safari11"}close(){if(f.debug("close()"),this._pc)try{this._pc.close()}catch(e){}this.emit("@close")}async getNativeRtpCapabilities(){f.debug("getNativeRtpCapabilities()");const e=new RTCPeerConnection({iceServers:[],iceTransportPolicy:"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",sdpSemantics:"plan-b"});try{const t=await e.createOffer({offerToReceiveAudio:!0,offerToReceiveVideo:!0});try{e.close()}catch(e){}const s=o.parse(t.sdp);return l.extractRtpCapabilities({sdpObject:s})}catch(t){try{e.close()}catch(e){}throw t}}async getNativeSctpCapabilities(){return f.debug("getNativeSctpCapabilities()"),{numStreams:g}}run({direction:e,iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,iceServers:a,iceTransportPolicy:n,additionalSettings:o,proprietaryConstraints:c,extendedRtpCapabilities:d}){f.debug("run()"),this._direction=e,this._remoteSdp=new u.RemoteSdp({iceParameters:t,iceCandidates:s,dtlsParameters:r,sctpParameters:i,planB:!0}),this._sendingRtpParametersByKind={audio:p.getSendingRtpParameters("audio",d),video:p.getSendingRtpParameters("video",d)},this._sendingRemoteRtpParametersByKind={audio:p.getSendingRemoteRtpParameters("audio",d),video:p.getSendingRemoteRtpParameters("video",d)},r.role&&"auto"!==r.role&&(this._forcedLocalDtlsRole="server"===r.role?"client":"server"),this._pc=new RTCPeerConnection({iceServers:a??[],iceTransportPolicy:n??"all",bundlePolicy:"max-bundle",rtcpMuxPolicy:"require",...o},c),this._pc.addEventListener("icegatheringstatechange",(()=>{this.emit("@icegatheringstatechange",this._pc.iceGatheringState)})),this._pc.addEventListener("icecandidateerror",(e=>{this.emit("@icecandidateerror",e)})),this._pc.connectionState?this._pc.addEventListener("connectionstatechange",(()=>{this.emit("@connectionstatechange",this._pc.connectionState)})):this._pc.addEventListener("iceconnectionstatechange",(()=>{switch(f.warn("run() | pc.connectionState not supported, using pc.iceConnectionState"),this._pc.iceConnectionState){case"checking":this.emit("@connectionstatechange","connecting");break;case"connected":case"completed":this.emit("@connectionstatechange","connected");break;case"failed":this.emit("@connectionstatechange","failed");break;case"disconnected":this.emit("@connectionstatechange","disconnected");break;case"closed":this.emit("@connectionstatechange","closed")}}))}async updateIceServers(e){f.debug("updateIceServers()");const t=this._pc.getConfiguration();t.iceServers=e,this._pc.setConfiguration(t)}async restartIce(e){if(f.debug("restartIce()"),this._remoteSdp.updateIceParameters(e),this._transportReady)if("send"===this._direction){const e=await this._pc.createOffer({iceRestart:!0});f.debug("restartIce() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e);const t={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("restartIce() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setRemoteDescription(t)}else{const e={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("restartIce() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();f.debug("restartIce() | calling pc.setLocalDescription() [answer:%o]",t),await this._pc.setLocalDescription(t)}}async getTransportStats(){return this._pc.getStats()}async send({track:e,encodings:t,codecOptions:s,codec:r}){this.assertSendDirection(),f.debug("send() [kind:%s, track.id:%s]",e.kind,e.id),r&&f.warn("send() | codec selection is not available in %s handler",this.name),this._sendStream.addTrack(e),this._pc.addTrack(e,this._sendStream);let i,a=await this._pc.createOffer(),n=o.parse(a.sdp);const c=d.clone(this._sendingRtpParametersByKind[e.kind]);c.codecs=p.reduceCodecs(c.codecs);const m=d.clone(this._sendingRemoteRtpParametersByKind[e.kind]);if(m.codecs=p.reduceCodecs(m.codecs),this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:n}),"video"===e.kind&&t&&t.length>1&&(f.debug("send() | enabling simulcast"),n=o.parse(a.sdp),i=n.media.find((e=>"video"===e.type)),h.addLegacySimulcast({offerMediaObject:i,track:e,numStreams:t.length}),a={type:"offer",sdp:o.write(n)}),f.debug("send() | calling pc.setLocalDescription() [offer:%o]",a),await this._pc.setLocalDescription(a),n=o.parse(this._pc.localDescription.sdp),i=n.media.find((t=>t.type===e.kind)),c.rtcp.cname=l.getCname({offerMediaObject:i}),c.encodings=h.getRtpEncodings({offerMediaObject:i,track:e}),t)for(let e=0;e<c.encodings.length;++e)t[e]&&Object.assign(c.encodings[e],t[e]);if(c.encodings.length>1&&"video/vp8"===c.codecs[0].mimeType.toLowerCase())for(const e of c.encodings)e.scalabilityMode="L1T3";this._remoteSdp.send({offerMediaObject:i,offerRtpParameters:c,answerRtpParameters:m,codecOptions:s});const u={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("send() | calling pc.setRemoteDescription() [answer:%o]",u),await this._pc.setRemoteDescription(u);const g=String(this._nextSendLocalId);this._nextSendLocalId++;const _=this._pc.getSenders().find((t=>t.track===e));return this._mapSendLocalIdRtpSender.set(g,_),{localId:g,rtpParameters:c,rtpSender:_}}async stopSending(e){this.assertSendDirection();const t=this._mapSendLocalIdRtpSender.get(e);if(!t)throw new Error("associated RTCRtpSender not found");t.track&&this._sendStream.removeTrack(t.track),this._mapSendLocalIdRtpSender.delete(e);const s=await this._pc.createOffer();f.debug("stopSending() | calling pc.setLocalDescription() [offer:%o]",s);try{await this._pc.setLocalDescription(s)}catch(e){if(0===this._sendStream.getTracks().length)return void f.warn("stopSending() | ignoring expected error due no sending tracks: %s",e.toString());throw e}if("stable"===this._pc.signalingState)return;const r={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("stopSending() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r)}async pauseSending(e){}async resumeSending(e){}async replaceTrack(e,t){this.assertSendDirection(),t?f.debug("replaceTrack() [localId:%s, track.id:%s]",e,t.id):f.debug("replaceTrack() [localId:%s, no track]",e);const s=this._mapSendLocalIdRtpSender.get(e);if(!s)throw new Error("associated RTCRtpSender not found");const r=s.track;await s.replaceTrack(t),r&&this._sendStream.removeTrack(r),t&&this._sendStream.addTrack(t)}async setMaxSpatialLayer(e,t){this.assertSendDirection(),f.debug("setMaxSpatialLayer() [localId:%s, spatialLayer:%s]",e,t);const s=this._mapSendLocalIdRtpSender.get(e);if(!s)throw new Error("associated RTCRtpSender not found");const r=s.getParameters();r.encodings.forEach(((e,s)=>{e.active=s<=t})),await s.setParameters(r)}async setRtpEncodingParameters(e,t){this.assertSendDirection(),f.debug("setRtpEncodingParameters() [localId:%s, params:%o]",e,t);const s=this._mapSendLocalIdRtpSender.get(e);if(!s)throw new Error("associated RTCRtpSender not found");const r=s.getParameters();r.encodings.forEach(((e,s)=>{r.encodings[s]={...e,...t}})),await s.setParameters(r)}async getSenderStats(e){this.assertSendDirection();const t=this._mapSendLocalIdRtpSender.get(e);if(!t)throw new Error("associated RTCRtpSender not found");return t.getStats()}async sendDataChannel({ordered:e,maxPacketLifeTime:t,maxRetransmits:s,label:r,protocol:i}){this.assertSendDirection();const a={negotiated:!0,id:this._nextSendSctpStreamId,ordered:e,maxPacketLifeTime:t,maxRetransmits:s,protocol:i};f.debug("sendDataChannel() [options:%o]",a);const n=this._pc.createDataChannel(r,a);if(this._nextSendSctpStreamId=++this._nextSendSctpStreamId%g.MIS,!this._hasDataChannelMediaSection){const e=await this._pc.createOffer(),t=o.parse(e.sdp),s=t.media.find((e=>"application"===e.type));this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:t}),f.debug("sendDataChannel() | calling pc.setLocalDescription() [offer:%o]",e),await this._pc.setLocalDescription(e),this._remoteSdp.sendSctpAssociation({offerMediaObject:s});const r={type:"answer",sdp:this._remoteSdp.getSdp()};f.debug("sendDataChannel() | calling pc.setRemoteDescription() [answer:%o]",r),await this._pc.setRemoteDescription(r),this._hasDataChannelMediaSection=!0}return{dataChannel:n,sctpStreamParameters:{streamId:a.id,ordered:a.ordered,maxPacketLifeTime:a.maxPacketLifeTime,maxRetransmits:a.maxRetransmits}}}async receive(e){this.assertRecvDirection();const t=[];for(const t of e){const{trackId:e,kind:s,rtpParameters:r,streamId:i}=t;f.debug("receive() [trackId:%s, kind:%s]",e,s);const a=s;this._remoteSdp.receive({mid:a,kind:s,offerRtpParameters:r,streamId:i??r.rtcp.cname,trackId:e})}const s={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("receive() | calling pc.setRemoteDescription() [offer:%o]",s),await this._pc.setRemoteDescription(s);let r=await this._pc.createAnswer();const i=o.parse(r.sdp);for(const t of e){const{kind:e,rtpParameters:s}=t,r=e,a=i.media.find((e=>String(e.mid)===r));l.applyCodecParameters({offerRtpParameters:s,answerMediaObject:a})}r={type:"answer",sdp:o.write(i)},this._transportReady||await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:i}),f.debug("receive() | calling pc.setLocalDescription() [answer:%o]",r),await this._pc.setLocalDescription(r);for(const s of e){const{kind:e,trackId:r,rtpParameters:i}=s,a=e,n=r,o=this._pc.getReceivers().find((e=>e.track&&e.track.id===n));if(!o)throw new Error("new RTCRtpReceiver not");this._mapRecvLocalIdInfo.set(n,{mid:a,rtpParameters:i,rtpReceiver:o}),t.push({localId:n,track:o.track,rtpReceiver:o})}return t}async stopReceiving(e){this.assertRecvDirection();for(const t of e){f.debug("stopReceiving() [localId:%s]",t);const{mid:e,rtpParameters:s}=this._mapRecvLocalIdInfo.get(t)??{};this._mapRecvLocalIdInfo.delete(t),this._remoteSdp.planBStopReceiving({mid:e,offerRtpParameters:s})}const t={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("stopReceiving() | calling pc.setRemoteDescription() [offer:%o]",t),await this._pc.setRemoteDescription(t);const s=await this._pc.createAnswer();f.debug("stopReceiving() | calling pc.setLocalDescription() [answer:%o]",s),await this._pc.setLocalDescription(s)}async getReceiverStats(e){this.assertRecvDirection();const{rtpReceiver:t}=this._mapRecvLocalIdInfo.get(e)??{};if(!t)throw new Error("associated RTCRtpReceiver not found");return t.getStats()}async pauseReceiving(e){}async resumeReceiving(e){}async receiveDataChannel({sctpStreamParameters:e,label:t,protocol:s}){this.assertRecvDirection();const{streamId:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n}=e,c={negotiated:!0,id:r,ordered:i,maxPacketLifeTime:a,maxRetransmits:n,protocol:s};f.debug("receiveDataChannel() [options:%o]",c);const d=this._pc.createDataChannel(t,c);if(!this._hasDataChannelMediaSection){this._remoteSdp.receiveSctpAssociation({oldDataChannelSpec:!0});const e={type:"offer",sdp:this._remoteSdp.getSdp()};f.debug("receiveDataChannel() | calling pc.setRemoteDescription() [offer:%o]",e),await this._pc.setRemoteDescription(e);const t=await this._pc.createAnswer();if(!this._transportReady){const e=o.parse(t.sdp);await this.setupTransport({localDtlsRole:this._forcedLocalDtlsRole??"client",localSdpObject:e})}f.debug("receiveDataChannel() | calling pc.setRemoteDescription() [answer:%o]",t),await this._pc.setLocalDescription(t),this._hasDataChannelMediaSection=!0}return{dataChannel:d}}async setupTransport({localDtlsRole:e,localSdpObject:t}){t||(t=o.parse(this._pc.localDescription.sdp));const s=l.extractDtlsParameters({sdpObject:t});s.role=e,this._remoteSdp.updateDtlsRole("client"===e?"server":"client"),await new Promise(((e,t)=>{this.safeEmit("@connect",{dtlsParameters:s},e,t)})),this._transportReady=!0}assertSendDirection(){if("send"!==this._direction)throw new Error('method can just be called for handlers with "send" direction')}assertRecvDirection(){if("recv"!==this._direction)throw new Error('method can just be called for handlers with "recv" direction')}}t.Safari11=_},9792:(e,t,s)=>{"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Producer=void 0;const r=s(2994),i=s(3953),a=s(4893),n=new r.Logger("Producer");class o extends i.EnhancedEventEmitter{constructor({id:e,localId:t,rtpSender:s,track:r,rtpParameters:a,stopTracks:o,disableTrackOnPause:c,zeroRtpOnPause:d,appData:p}){super(),this._closed=!1,this._observer=new i.EnhancedEventEmitter,n.debug("constructor()"),this._id=e,this._localId=t,this._rtpSender=s,this._track=r,this._kind=r.kind,this._rtpParameters=a,this._paused=!!c&&!r.enabled,this._maxSpatialLayer=void 0,this._stopTracks=o,this._disableTrackOnPause=c,this._zeroRtpOnPause=d,this._appData=p??{},this.onTrackEnded=this.onTrackEnded.bind(this),this.handleTrack()}get id(){return this._id}get localId(){return this._localId}get closed(){return this._closed}get kind(){return this._kind}get rtpSender(){return this._rtpSender}get track(){return this._track}get rtpParameters(){return this._rtpParameters}get paused(){return this._paused}get maxSpatialLayer(){return this._maxSpatialLayer}get appData(){return this._appData}set appData(e){this._appData=e}get observer(){return this._observer}close(){this._closed||(n.debug("close()"),this._closed=!0,this.destroyTrack(),this.emit("@close"),this._observer.safeEmit("close"))}transportClosed(){this._closed||(n.debug("transportClosed()"),this._closed=!0,this.destroyTrack(),this.safeEmit("transportclose"),this._observer.safeEmit("close"))}async getStats(){if(this._closed)throw new a.InvalidStateError("closed");return new Promise(((e,t)=>{this.safeEmit("@getstats",e,t)}))}pause(){n.debug("pause()"),this._closed?n.error("pause() | Producer closed"):(this._paused=!0,this._track&&this._disableTrackOnPause&&(this._track.enabled=!1),this._zeroRtpOnPause&&new Promise(((e,t)=>{this.safeEmit("@pause",e,t)})).catch((()=>{})),this._observer.safeEmit("pause"))}resume(){n.debug("resume()"),this._closed?n.error("resume() | Producer closed"):(this._paused=!1,this._track&&this._disableTrackOnPause&&(this._track.enabled=!0),this._zeroRtpOnPause&&new Promise(((e,t)=>{this.safeEmit("@resume",e,t)})).catch((()=>{})),this._observer.safeEmit("resume"))}async replaceTrack({track:e}){if(n.debug("replaceTrack() [track:%o]",e),this._closed){if(e&&this._stopTracks)try{e.stop()}catch(e){}throw new a.InvalidStateError("closed")}if(e&&"ended"===e.readyState)throw new a.InvalidStateError("track ended");e!==this._track?(await new Promise(((t,s)=>{this.safeEmit("@replacetrack",e,t,s)})),this.destroyTrack(),this._track=e,this._track&&this._disableTrackOnPause&&(this._paused?this._paused&&(this._track.enabled=!1):this._track.enabled=!0),this.handleTrack()):n.debug("replaceTrack() | same track, ignored")}async setMaxSpatialLayer(e){if(this._closed)throw new a.InvalidStateError("closed");if("video"!==this._kind)throw new a.UnsupportedError("not a video Producer");if("number"!=typeof e)throw new TypeError("invalid spatialLayer");e!==this._maxSpatialLayer&&(await new Promise(((t,s)=>{this.safeEmit("@setmaxspatiallayer",e,t,s)})).catch((()=>{})),this._maxSpatialLayer=e)}async setRtpEncodingParameters(e){if(this._closed)throw new a.InvalidStateError("closed");if("object"!=typeof e)throw new TypeError("invalid params");await new Promise(((t,s)=>{this.safeEmit("@setrtpencodingparameters",e,t,s)}))}onTrackEnded(){n.debug('track "ended" event'),this.safeEmit("trackended"),this._observer.safeEmit("trackended")}handleTrack(){this._track&&this._track.addEventListener("ended",this.onTrackEnded)}destroyTrack(){if(this._track)try{this._track.removeEventListener("ended",this.onTrackEnded),this._stopTracks&&this._track.stop()}catch(e){}}}t.Producer=o}},t={};function s(r){var i=t[r];if(void 0!==i)return i.exports;var a=t[r]={exports:{}};return e[r].call(a.exports,a,a.exports,s),a.exports}s.amdO={},s.g=function(){if("object"==typeof globalThis)return globalThis;try{return this||new Function("return this")()}catch(e){if("object"==typeof window)return window}}();var r=s(76);window.mediasoupClient=r})();
\ No newline at end of file
diff --git a/webpack.config.js b/webpack.config.js
new file mode 100644
index 00000000..3194f568
--- /dev/null
+++ b/webpack.config.js
@@ -0,0 +1,24 @@
+const path = require('path');
+
+module.exports = {
+    mode: 'production',
+    entry: './public/sfu/MediasoupClientCompile.js',
+    output: {
+        path: require('path').resolve(__dirname, 'public/sfu'),
+        filename: 'MediasoupClient.js',
+    },
+    module: {
+        rules: [
+            {
+                test: /\.js$/,
+                exclude: /node_modules/,
+                use: {
+                    loader: 'babel-loader',
+                    options: {
+                        presets: ['@babel/preset-env'],
+                    },
+                },
+            },
+        ],
+    },
+};