[mirotalksfu] - add RTMP server and multi-source streaming!, update dep

rtmpServers/node-media-server/src/sign.js

@@ -0,0 +1,58 @@
+'use strict';
+
+const crypto = require('crypto-js');
+
+const { v4: uuidv4 } = require('uuid');
+
+/**
+ * Generates an RTMP URL with an expiration timestamp and a hash value.
+ *
+ * @param {string} baseURL - The base URL of the RTMP server.
+ * @param {string} streamPath - The path to the stream.
+ * @param {string} secretKey - The secret key used for generating the hash.
+ * @param {number} expirationHours - The number of hours until the URL expires.
+ * @returns {string} - The generated RTMP URL for Node Media Server.
+ */
+function generateRTMPUrl(baseURL, streamPath, secretKey, expirationHours = 8) {
+    // Current timestamp in seconds
+    const currentTime = Math.floor(Date.now() / 1000);
+
+    // Expiration time (current time + expirationHours in seconds)
+    const expirationTime = currentTime + expirationHours * 3600;
+
+    // Generate the hash value
+    const hashValue = crypto.MD5(`${streamPath}-${expirationTime}-${secretKey}`).toString();
+
+    // Construct the final request address
+    const rtmpUrl = `${baseURL}${streamPath}?sign=${expirationTime}-${hashValue}`;
+
+    // Print some log
+    log.debug('generateRTMPUrl', {
+        currentTime: currentTime,
+        expirationTime: expirationTime,
+        hashValue: hashValue,
+        rtmpUrl: rtmpUrl,
+    });
+
+    return rtmpUrl;
+}
+
+// Example usage
+const baseURL = 'rtmp://localhost:1935';
+const streamKey = uuidv4();
+const streamPath = '/live/' + streamKey; // path/stream-key
+const secretKey = 'mirotalkRtmpSecret';
+const expirationHours = 8;
+
+// Run: node sign.js
+const rtmpUrl = generateRTMPUrl(baseURL, streamPath, secretKey, expirationHours);
+console.log('Generated RTMP URL:', rtmpUrl);
+
+/*
+OBS:
+	- Server: rtmp://localhost:1935/live
+	- StreamKey: demo?sign=1719169535-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+FFMPEG:
+	- ffmpeg -re -i input.mp4 -c:v libx264 -preset veryfast -maxrate 3000k -bufsize 6000k -vf "scale=-2:720" -g 50 -c:a aac -b:a 128k -f flv "rtmp://localhost:1935/live/demo?sign=1719169535-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+*/