fix lib ffmpeg (#32)

Author: htphuocdl

examples/record-audio-video-stream/server.js

@@ -5,7 +5,9 @@ const fs = require('fs')
 
 const { RTCAudioSink, RTCVideoSink } = require('wrtc').nonstandard;
 
-const ffmpeg = require('fluent-ffmpeg')
+const ffmpegPath = require('@ffmpeg-installer/ffmpeg').path;
+const ffmpeg = require('fluent-ffmpeg');
+ffmpeg.setFfmpegPath(ffmpegPath);
 const { StreamInput } = require('fluent-ffmpeg-multistream')
 
 const VIDEO_OUTPUT_SIZE = '320x240'

package.json

@@ -18,6 +18,7 @@
   "author": "Mark Andrus Roberts <[email protected]>",
   "license": "BSD-3-Clause",
   "dependencies": {
+    "@ffmpeg-installer/ffmpeg": "^1.0.20",
     "Scope": "github:kevincennis/Scope",
     "body-parser": "^1.18.3",
     "browserify-middleware": "^8.1.1",
@@ -34,4 +35,4 @@
     "eslint": "^5.15.1",
     "tape": "^4.10.0"
   }
-}
+}