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• Does anybody know how to concat on ffmpeg and python ? [closed]

  22 décembre 2023, par Jonas Harker

  I created a code on Python that supposedly concatenates two videos using Python to run an ffmpeg command through subprocess.
I get this error message :

  


  2c0] Could not open encoder before EOF
[vost#0:0/libx264 @ 0000024013bfa480] Task finished with error code: -22 (Invalid argument)
[aost#0:1/aac @ 0000024013bfb2c0] Task finished with error code: -22 (Invalid argument)
[aost#0:1/aac @ 0000024013bfb2c0] Terminating thread with return code -22 (Invalid argument)
[vost#0:0/libx264 @ 0000024013bfa480] Terminating thread with return code -22 (Invalid argument)
[out#0/mp4 @ 0000024013b91d80] Nothing was written into output file, because at least one of its streams received no packets.
frame=    0 fps=0.0 q=0.0 Lsize=       0kB time=N/A bitrate=N/A speed=N/A    
Conversion failed!
El archivo Batman - Mask of The Phantasm, Open Matte Version (1993 - 1080p BluRay)_segment_11_segment_2.mp4 ha sido procesado.
El archivo temporal output_temp.mp4 ha reemplazado a Batman - Mask of The Phantasm, Open Matte Version (1993 - 1080p BluRay)_segment_11_segment_2.mp4.
Ejecutando: ffmpeg -i "D:\BTO\MemeLaughnClap\Shorted\Batman - Mask of The Phantasm, Open Matte Version (1993 - 1080p BluRay)_segment_11_segment_3.mp4" -i "D:\BTO\MemeLaughnClap\Media\FV.mp4" -filter_complex concat=n=2:v=1:a=1 -c:v libx264 -preset medium -crf 23 -c:a aac -b:a 192k -y "D:\BTO\MemeLaughnClap\Shorted\output_temp.mp4"
ffmpeg version 2023-12-18-git-be8a4f80b9-full_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, Built by MSYS2 project)


  


  I hoped they would concat, but they did not.

  


• FFmpeg with m3u8 playlist : Invalid data found when processing input [closed]

  15 mai 2023, par anthnyprschka

  I get the following error when I try to open a playlist with FFmpeg :

  


  ffmpeg version 2023-03-05-git-912ac82a3c-essentials_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, 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-bzlib --enable-lzma --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --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-libvpl --enable-libgme --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-librubberband
  libavutil      58.  3.100 / 58.  3.100
  libavcodec     60.  6.100 / 60.  6.100
  libavformat    60.  4.100 / 60.  4.100
  libavdevice    60.  2.100 / 60.  2.100
  libavfilter     9.  4.100 /  9.  4.100
  libswscale      7.  2.100 /  7.  2.100
  libswresample   4. 11.100 /  4. 11.100
  libpostproc    57.  2.100 / 57.  2.100
playlist.m3u8: Invalid data found when processing input


  


  Command I use :

  


  ffmpeg [-allowed_extensions ALL] -i playlist.m3u8 -c copy playlist.mp4


  


  Playlist file :

  


  #EXTM3U
#EXTINF:-1,0
https://20230515.s3.eu-central-1.amazonaws.com/output0000f.mp4
#EXTINF:-1,1
https://20230515.s3.eu-central-1.amazonaws.com/output0001f.mp4
#EXTINF:-1,2
https://20230515.s3.eu-central-1.amazonaws.com/output0002f.mp4


  


  The playlist plays fine in VLC player

  


• ffprobe not showing language tag for ASS files in Ubuntu

  9 juillet 2023, par Efraín

  This is something that has me totally lost, because I'm not sure what could I have done, but from one week to another, "language" stopped appearing in the tags of an ASS track on a MKV. I know this just started to appear, because just last week I ended working on an script to detect the language of tracks, and today that I decided to test it again, I noted that it started to fail, and from my debug it's because ffprobe is now printing this

  


  {
    "index": 2,
    "codec_name": "ass",
    "codec_long_name": "ASS (Advanced SSA) subtitle",
    "codec_type": "subtitle",
    "codec_tag_string": "[0][0][0][0]",
    "codec_tag": "0x0000",
    "r_frame_rate": "0/0",
    "avg_frame_rate": "0/0",
    "time_base": "1/1000",
    "start_pts": 0,
    "start_time": "0.000000",
    "duration_ts": 1430816,
    "duration": "1430.816000",
    "disposition": {
        "default": 1,
        "dub": 0,
        "original": 0,
        "comment": 0,
        "lyrics": 0,
        "karaoke": 0,
        "forced": 0,
        "hearing_impaired": 0,
        "visual_impaired": 0,
        "clean_effects": 0,
        "attached_pic": 0,
        "timed_thumbnails": 0
    },
    "tags": {
        "BPS-eng": "85",
        "DURATION-eng": "00:23:34.830000000",
        "NUMBER_OF_FRAMES-eng": "262",
        "NUMBER_OF_BYTES-eng": "15128",
        "_STATISTICS_WRITING_APP-eng": "mkvmerge v40.0.0 ('Old Town Road + Pony') 32-bit",
        "_STATISTICS_WRITING_DATE_UTC-eng": "2023-07-02 11:29:54",
        "_STATISTICS_TAGS-eng": "BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES"
    }
}


  


  Where it should be a field called "language" in the "tags", like this(Note that other file types, like SRT, or audio tracks show it correctly)

  


  "tags": {
    "language": "eng",
    "BPS-eng": "128000",
    "DURATION-eng": "00:23:50.813000000",
    "NUMBER_OF_FRAMES-eng": "61620",
    "NUMBER_OF_BYTES-eng": "22893018",
    "_STATISTICS_WRITING_APP-eng": "mkvmerge v40.0.0 ('Old Town Road + Pony') 32-bit",
    "_STATISTICS_WRITING_DATE_UTC-eng": "2023-07-02 11:29:54",
    "_STATISTICS_TAGS-eng": "BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES"
}


  


  The weird part is that is the same file I used for testing(And it worked), and I haven't edited it, so I'm not sure why is this happening, Does someone knows if I might have messed up something installing a library for another thing that might have caused it ?

  


  Just in case is necessary, this is the command I use : ffprobe -v quiet -print_format json -show_streams <file></file>