Node-fluent-ffmpeg: Error: ffmpeg exited with code 126

[yangwenhaowenhe]

Version information

• fluent-ffmpeg version: 2.1.0
• ffmpeg version :ffmpeg-3.2.4
• OS: CentOS release 6.8 (Final)

Code to reproduce

fs.chmod(config.ffmpegPath, 751, (err) => {
      if (!err) {
        ffmpeg.setFfmpegPath(config.ffmpegPath)
        let stream = ffmpeg(request.get(`${config.down_voice_url}access_token=${token}&media_id=${media_id}`))
          .noVideo()
          .audioCodec('libmp3lame')
          .on('start', function (commandLine) {
            console.log('Spawned FFmpeg with command: ' + commandLine);
          })
          .on('error', (err) => {
            console.log('error when transcoding audio: ', err)
          })
          .on('end', () => {
            console.log('transcoding to mp3 success')
          })
          .pipe()
        request.post({
          url: config.storeFileUrl,
          formData: {
            value: stream,
            contentType: 'audio/mpeg'
          }
        },
          (err, res, body) => {
            callback(JSON.parse(body).data.url)
          })
      }
    })

(note: if the problem only happens with some inputs, include a link to such an input file)

Expected results

Observed results

Checklist

• [ ] I have read the FAQ
• [ ] I tried the same with command line ffmpeg and it works correctly (hint: if the problem also happens this way, this is an ffmpeg problem and you're not reporting it to the right place)
• [ ] I have included full stderr/stdout output from ffmpeg

[yangwenhaowenhe]

this is the error

error when transcoding audio: Error: ffmpeg exited with code 126
at ChildProcess. (/root/webapp/wenda/node_modules/fluent-ffmpeg/lib/processor.js:177:22)
at emitTwo (events.js:106:13)
at ChildProcess.emit (events.js:191:7)
at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)

[yangwenhaowenhe]

any advice ?

[ionutale]

i get the same error. what is 126 code stand for ?

[pikitgb]

Hi guys getting this error in the AWS Lambda too, maybe is related to the fact that the node library can't find ffmpeg installed on the computer ?

[verybluebot]

I tried the same with command line ffmpeg and it works correctly

+1

[njoyard]

Guys, the checklist is not there just for the looks. Please do what it says.

[verybluebot]

@njoyard I have read the FAQ, tried the same with command line ffmpeg and it works correctly
and this is the full error output:

Failed audioBitrate:  Error: ffmpeg exited with code 126
    at ChildProcess.<anonymous> (/Users/shulg/youtube-to-mp3/node_modules/fluent-ffmpeg/lib/processor.js:182)
    at emitTwo (events.js:125)
    at ChildProcess.emit (events.js:213)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:200)

anonymous) | @ | bundle.js:19666
-- | -- | --
  | emitThree | @ | events.js:135
  | emit | @ | events.js:216
  | emitEnd | @ | /Users/shulg/youtube-to-mp3/node_modules/fluent-ffmpeg/lib/processor.js:424
  | (anonymous) | @ | /Users/shulg/youtube-to-mp3/node_modules/fluent-ffmpeg/lib/processor.js:433
  | (anonymous) | @ | /Users/shulg/youtube-to-mp3/node_modules/async/dist/async.js:473
  | next | @ | /Users/shulg/youtube-to-mp3/node_modules/async/dist/async.js:5315
  | (anonymous) | @ | /Users/shulg/youtube-to-mp3/node_modules/async/dist/async.js:958
  | (anonymous) | @ | /Users/shulg/youtube-to-mp3/node_modules/async/dist/async.js:473
  | next | @ | /Users/shulg/youtube-to-mp3/node_modules/async/dist/async.js:5315
  | (anonymous) | @ | /Users/shulg/youtube-to-mp3/node_modules/async/dist/async.js:958
  | (anonymous) | @ | /Users/shulg/youtube-to-mp3/node_modules/fluent-ffmpeg/lib/capabilities.js:519
  | handleExit | @ | /Users/shulg/youtube-to-mp3/node_modules/fluent-ffmpeg/lib/processor.js:170
  | (anonymous) | @ | /Users/shulg/youtube-to-mp3/node_modules/fluent-ffmpeg/lib/processor.js:209
  | emitOne | @ | events.js:120
  | emit | @ | events.js:210
  | _handle.close | @ | net.js:549

I am running this on an electron app (React)
ffmpeg-binaries: "^3.2.2-3"
fluent-ffmpeg: "^2.1.2"

this is -version out put installed globally on my machine (MAC)

ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
built with Apple LLVM version 9.1.0 (clang-902.0.39.1)
configuration: --prefix=/usr/local/Cellar/ffmpeg/4.0 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil      56. 14.100 / 56. 14.100
libavcodec     58. 18.100 / 58. 18.100
libavformat    58. 12.100 / 58. 12.100
libavdevice    58.  3.100 / 58.  3.100
libavfilter     7. 16.100 /  7. 16.100
libavresample   4.  0.  0 /  4.  0.  0
libswscale      5.  1.100 /  5.  1.100
libswresample   3.  1.100 /  3.  1.100
libpostproc    55.  1.100 / 55.  1.100

also the path in my .bash_profile is correct:

export PATH=$PATH:/usr/local/bin/ffmpeg

please let me know if anything else is missing