[mirotalksfu] - autodetect default ffmpegPath for Rtmp streaming

app/src/RtmpStreamer.js

@@ -3,7 +3,8 @@
 const config = require('./config');
 const { PassThrough } = require('stream');
 const ffmpeg = require('fluent-ffmpeg');
-const ffmpegPath = config.server.rtmp && config.server.rtmp.ffmpeg ? config.server.rtmp.ffmpeg : '/usr/bin/ffmpeg';
+const ffmpegPath =
+    config.server.rtmp && config.server.rtmp.ffmpegPath ? config.server.rtmp.ffmpegPath : '/usr/bin/ffmpeg';
 ffmpeg.setFfmpegPath(ffmpegPath);
 
 const Logger = require('./Logger');