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[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

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