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• Error when converting mp4 video to HLS using stream as input in node js using ffmpeg

  6 janvier 2023, par Sankalp Kataria

  I am trying to convert an MP4 file to HLS using ffmpeg.
Code :

  



  var stream = createReadStream(filePath);
ffmpeg(stream)
    .on('stderr', function(stderrLine) {
        console.log('Stderr output: ' + stderrLine);
    })
    .on('end', function() {
        console.log('done processing input stream');
    })
    .on('error', function(err) {
        console.log('an error happened: ' + err.message);
    })
    .save(join(__basedir, "public", `file.m3u8`));


  



  OutPut :

  



  Stderr output: ffmpeg version git-2020-05-22-38490cb Copyright (c) 2000-2020 the FFmpeg developers
Stderr output:   built with gcc 9.3.1 (GCC) 20200513
Stderr output:   configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
Stderr output:   libavutil      56. 46.100 / 56. 46.100
Stderr output:   libavcodec     58. 86.101 / 58. 86.101
Stderr output:   libavformat    58. 43.100 / 58. 43.100
Stderr output:   libavdevice    58.  9.103 / 58.  9.103
Stderr output:   libavfilter     7. 82.100 /  7. 82.100
Stderr output:   libswscale      5.  6.101 /  5.  6.101
Stderr output:   libswresample   3.  6.100 /  3.  6.100
Stderr output:   libpostproc    55.  6.100 / 55.  6.100
Stderr output: [mov,mp4,m4a,3gp,3g2,mj2 @ 000001b68c53cb00] overread end of atom 'stsd' by 34 bytes
Stderr output: [mov,mp4,m4a,3gp,3g2,mj2 @ 000001b68c53cb00] stream 0, offset 0x30: partial file
Stderr output: [mov,mp4,m4a,3gp,3g2,mj2 @ 000001b68c53cb00] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 1920x1080, 2528 kb/s): unspecified pixel format
Stderr output: Consider increasing the value for the 'analyzeduration' and 'probesize' options
Stderr output: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'pipe:0':
Stderr output:   Metadata:
Stderr output:     major_brand     : isom
Stderr output:     minor_version   : 512
Stderr output:     compatible_brands: isomiso2avc1mp41
Stderr output:     encoder         : Lavf56.25.101
Stderr output:   Duration: 00:03:00.97, start: 0.000000, bitrate: N/A
Stderr output:     Stream #0:0(und): Video: h264 (avc1 / 0x31637661), none, 1920x1080, 2528 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 48k tbc (default)
Stderr output:     Metadata:
Stderr output:       handler_name    : VideoHandler
Stderr output:     Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
Stderr output:     Metadata:
Stderr output:       handler_name    : SoundHandler
Stderr output: Stream mapping:
Stderr output:   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Stderr output:   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Stderr output: [mov,mp4,m4a,3gp,3g2,mj2 @ 000001b68c53cb00] stream 0, offset 0x30: partial file
Stderr output: pipe:0: Invalid data found when processing input
Stderr output: Cannot determine format of input stream 0:0 after EOF
Stderr output: Error marking filters as finished
Stderr output: Conversion failed!
Stderr output:
an error happened: ffmpeg exited with code 1: pipe:0: Invalid data found when processing input
Cannot determine format of input stream 0:0 after EOF
Error marking filters as finished
Conversion failed!


  



  I've also tried with moveflag option
.outputOptions("-movflags isml+frag_keyframe") also with -movflags faststart

  



  I've read through
How do you use Node.js to stream an MP4 file with ffmpeg ?

  



  But i didn't quite understand what and how to do it.

  


• pgssubdec : fix subpicture output colorspace and range

  24 avril 2016, par Jan Ekström

  pgssubdec : fix subpicture output colorspace and range
  Functionality used before didn’t widen the values from limited to
  
  full range. Additionally, now the decoder uses BT.709 where it
  
  should be used according to the video resolution.
  Default for not yet set colorimetry is BT.709 due to most observed
  
  HDMV content being HD.
  BT.709 coefficients were gathered from the first two parts of BT.709
  
  to BT.2020 conversion guide in ARIB STD-B62 (Pt. 1, Chapter 6.2.2).
  
  They were additionally confirmed by manually calculating values.
  Fixes #4637
  

  • [DH] libavcodec/pgssubdec.c
  • [DH] libavutil/colorspace.h

• using for loop in powershell with ffmpeg to create thumbnails

  29 septembre 2020, par blue

  I have this basic for loop combined with ffmpeg that creates thumbnails for each video.

  


  Could anyone help me figure out why it doesn't work ? I don't really know much about powsershell.

  


  If i were to use a regular array it works but when i use a pre-sized array it does not.
EDIT :
somehow figured it out, i should have included the extention'.png' in the array instead of adding at the end of the for loop.i also didn't define a size for the array.

  


  $files = @(Get-ChildItem -Path 'D:\other stuff\ffmpeg test\*.mp4')
$filetext = @()
$test = 'd.png'

  
 for ($i=0; $i -lt $files.length; $i++){ 
 $filetext += (Get-Item $files[$i]).Basename + '.png'
 ffmpeg -i $files[$i] -ss 00:00:01  -vframes 1 $filetext[$i] 

}


  


  PS D:\other stuff\ffmpeg test> $files = @(Get-ChildItem -Path 'D:\other stuff\ffmpeg test\*.mp4')
$filetext = [Object[]]::new(100)


for ($i=0; $i -lt $files.length; $i++) {
  $filetext[$i] = % {$files[$i].BaseName}
  ffmpeg -i $files[$i] -ss 00:00:01  -vframes 1 $filetext[$i]'.png'
    
}

ffmpeg : ffmpeg version 2020-09-27-git-a3a6b56200-full_build-www.gyan.dev Copyright (c) 2000-2020 the FFmpeg developers
At line:7 char:3
+   ffmpeg -i $files[$i] -ss 00:00:01  -vframes 1 $filetext[$i]'.png'
+   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (ffmpeg version ...mpeg developers:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError
 
  built with gcc 10.2.0 (Rev3, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib 
--enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 
--enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm 
--enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt 
--enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libwavpack --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus 
--enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      56. 59.100 / 56. 59.100
  libavcodec     58.108.100 / 58.108.100
  libavformat    58. 59.100 / 58. 59.100
  libavdevice    58. 11.102 / 58. 11.102
  libavfilter     7. 87.100 /  7. 87.100
  libswscale      5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
  libpostproc    55.  8.100 / 55.  8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\other stuff\ffmpeg test\sample1.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf56.25.101
  Duration: 00:00:30.87, start: 0.000000, bitrate: 
411 kb/s
    Stream #0:
0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 460x258 [SAR 1:1 DAR 230:129], 276 kb/s, 
29.97 fps, 
29.97 tbr, 
11988 tbn, 
59.94 tbc
 (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:
1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : 
SoundHandler
[NULL @ 000001c582d03700] 
Unable to find a suitable output format for 'sample1'
sample1: Invalid argument
ffmpeg : ffmpeg version 2020-09-27-git-a3a6b56200-full_build-www.gyan.dev Copyright (c) 2000-2020 the FFmpeg developers
At line:7 char:3
+   ffmpeg -i $files[$i] -ss 00:00:01  -vframes 1 $filetext[$i]'.png'
+   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (ffmpeg version ...mpeg developers:String) [], RemoteException
    + FullyQualifiedErrorId : NativeCommandError
 
  built with gcc 10.2.0 (Rev3, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib 
--enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 
--enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm 
--enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt 
--enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libwavpack --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus 
--enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      56. 59.100 / 56. 59.100
  libavcodec     58.108.100 / 58.108.100
  libavformat    58. 59.100 / 58. 59.100
  libavdevice    58. 11.102 / 58. 11.102
  libavfilter     7. 87.100 /  7. 87.100
  libswscale      5.  8.100 /  5.  8.100
  libswresample   3.  8.100 /  3.  8.100
  libpostproc    55.  8.100 / 55.  8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'D:\other stuff\ffmpeg test\sample2.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf56.25.101
  Duration: 
00:00:24.9
3
, start:
 
0.000000, bitrate: 789 kb/s
    Stream #0:
0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 460x460 [SAR 1:1 DAR 1:1], 658 kb/s, 30 fps, 30 tbr, 15360 tbn, 
60 tbc (default)
    Metadata:
      handler_name    : 
VideoHandler
    Stream #0:
1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
[NULL @ 00000267c8bb0540] 
Unable to find a suitable output format for 'sample2'
sample2: Invalid argument