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• ffmpeg cmd not running through nodejs getting error like error initializing filter \'select\' with args \'"not(mod(n\'\n']"

  22 juillet 2019, par Nileshdeora1122

  hello everyone i need your help i’m working on ffmpeg as following by blog post https://contextneutral.com/snippet/how-to-run-ffmpeg-from-inside-of-nodejs
  now i’m doing the same my ffmpeg command running successfully on the terminal but not working with nodejs.
  basicaly i’m trying to run :

  "ffmpeg -loglevel panic -y -i "video.mp4" -frames 1 -q:v 1 -vf "select=not(mod(n\,40)),scale=-1:120,tile=100x1" video_preview.jpg "

  my nodejs code looklike this :

  let ffmpeg = spawn(
  
  'ffmpeg', [
  
  '-i', `${ Inputvideofile }`,
  
  '-y', 
  
  '-frames',1,
  
  '-q:v', '1', 
  
  '-vf', ' "select=not(mod(n\,120)),scale=-1:40,tile=10x1 "  ',
  
  `${ outpputImgstripe }`
  
  ]);
  
  ffmpeg.on('exit', (statusCode) => {
  
      console.log(statusCode)
  
    if (statusCode === 0) {
  
       console.log('conversion successful')
  
    }
  
  })
  
  ffmpeg
  
    .stderr
  
    .on('data', (err) => {
  
      console.log('err:', new String(err))
  
    })
  
  
  
  module.exports = router;

  The error im getting is :

  Error initializing filter \'select\' with args \'"not(mod(n\'\n']
  
  err: [String: 'Error reinitializing filters!\nFailed to inject frame into filter network: Invalid argument\nError while processing the decoded data for stream #0:0\n']
  
  err: [String: 'Conversion failed!\n']
  
  1

  i think the error is :

  '-vf', ' "select=not(mod(n\,120)),scale=-1:40,tile=10x1 "  ',

  but don’t know how to solve pls help me

• ffmpeg 4.1.4 wav to mp3 error of "deprecated pixel format used" [on hold]

  26 août 2019, par yang jia

  [swscaler @ 0xc946d000] deprecated pixel format used, make sure you did set range correctly
  
  
  
   [mp3 @ 0xc9621600] Frame rate very high for a muxer not efficiently supporting it.
  
  
  
      Please consider specifying a lower framerate, a different muxer or -vsync 2
  
  
  
   [auto_resampler_0 @ 0xd8e73be0] [SWR @ 0xc8058000] Output channel layout '6 channels (FLC+BC+SL+SR+TC+TFL)' is not supported
  
  
  
  [auto_resampler_0 @ 0xd8e73be0] Failed to configure output pad on auto_resampler_0
  
  
  
  Error reinitializing filters!
  
  
  
  Failed to inject frame into filter network: Invalid argument
  
   Error while processing the decoded data for stream #0:0
  
   --------- beginning of crash
  
  2019-02-26 16:04:58.368 27737-27737/com.blplayer.jbl.blplayer A/libc: Fatal signal 7 (SIGBUS), code 1, fault addr 0xc5ca in tid 27737 (er.jbl.blplayer)

  cmd

   ffmpeg -i test.wav  -acodec libmp3lame -ar 8000 -ac 2 -y wav2mp3.mp3

  This is the log :

  

  then on Mac it success egg
  ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3

  Guessed Channel Layout for Input Stream #0.0 : stereo
  Input #0, wav, from ’input.wav’ :
  Metadata :
  encoder : Lavf58.20.100
  Duration : 00:02:08.29, bitrate : 256 kb/s
  Stream #0:0 : Audio : pcm_s16le (1[0][0][0] / 0x0001), 8000 Hz, stereo, s16, 256 kb/s
  Stream mapping :
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> mp3 (libmp3lame))

  Output #0, mp3, to ’output.mp3’ :
  Metadata :
  TSSE : Lavf58.31.104
  Stream #0:0 : Audio : mp3 (libmp3lame), 44100 Hz, stereo, s16p, 192 kb/s
  Metadata :
  encoder : Lavc58.55.101 libmp3lame

  but on android it gets error

• java.lang.UnsatisfiedLinkError : dlopen failed : cannot locate symbol "av_bsf_next" referenced by "/lib/arm/libffmpeg.so"

  21 octobre 2019, par Sushrita

  I have a third party library which has ffmpeg as dependency and i am getting this error while executing a thread.

   Process: com.joe.epmediademo, PID: 11906
  
      java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "av_bsf_next" referenced by "/data/app/com.joe.epmediademo-U-buiUc64rYJquAlCAhK5A==/lib/arm/libffmpeg.so"...
  
          at java.lang.Runtime.loadLibrary0(Runtime.java:1016)
  
          at java.lang.System.loadLibrary(System.java:1657)
  
          at Jni.FFmpegCmd.<clinit>(FFmpegCmd.java:24)
  
          at Jni.FFmpegCmd.exec(FFmpegCmd.java:73)
  
          at VideoHandle.EpEditor.execCmd(EpEditor.java:571)
  
          at VideoHandle.EpEditor.exec(EpEditor.java:135)
  
          at com.joe.epmediademo.Activity.EditActivity.execVideo(EditActivity.java:182)
  
          at com.joe.epmediademo.Activity.EditActivity.onClick(EditActivity.java:106)
  
          at android.view.View.performClick(View.java:6297)
  
          at android.view.View$PerformClick.run(View.java:24797)
  
          at android.os.Handler.handleCallback(Handler.java:790)
  
          at android.os.Handler.dispatchMessage(Handler.java:99)
  
          at android.os.Looper.loop(Looper.java:164)
  
          at android.app.ActivityThread.main(ActivityThread.java:6626)
  
          at java.lang.reflect.Method.invoke(Native Method)
  
          at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
  
          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:811)
  
  </clinit>