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• 'unsupported input sample rate set' error while converting mkv to mp3 with ffmpeg on python

  15 décembre 2020, par Agent Merlot

  I'm getting this error on trying to convert some mkv files to mp3 via python. Nearly all files got converted, but some are facing this issue.
  
https://cdn.discordapp.com/attachments/663255565451001866/788424224661569596/Error.txt

  


  Please help me fix this issue.

  


  ffmpeg output extracted from the discord link above :

  


  ffmpeg version git-2020-06-04-7f81785 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9.3.1 (GCC) 20200523
  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
  libavutil      56. 49.100 / 56. 49.100
  libavcodec     58. 90.100 / 58. 90.100
  libavformat    58. 44.100 / 58. 44.100
  libavdevice    58.  9.103 / 58.  9.103
  libavfilter     7. 84.100 /  7. 84.100
  libswscale      5.  6.101 /  5.  6.101
  libswresample   3.  6.100 /  3.  6.100
  libpostproc    55.  6.100 / 55.  6.100
Input #0, matroska,webm, from 'J:\DC ED\Original\045 'Kimi no Egao ga Nani Yori mo Suki Datta' by 'Chicago Poodle'.mkv':
  Metadata:
    title           : 045 'Kimi no Egao ga Nani Yori mo Suki Datta' by 'Chicago Poodle'.mkv
    COPYRIGHT       : © 2013 APTX4869 Fansub
    creation_time   : 2020-11-18T05:03:06.000000Z
    COMPOSER        : Chicago Poodle
    ENCODER         : Lavf58.44.100
  Duration: 00:01:20.04, start: 0.000000, bitrate: 2023 kb/s
    Stream #0:0(jpn): Video: hevc (Main), yuv420p(tv), 1440x1080 [SAR 4:3 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 23.98 tbc (default)
    Metadata:
      title           : VIDEO[AVC]
      ENCODER         : Lavc58.90.100 libx265
      BPS-eng         : 1831510
      DURATION-eng    : 00:01:20.039000000
      NUMBER_OF_FRAMES-eng: 1919
      NUMBER_OF_BYTES-eng: 18324032
      _STATISTICS_WRITING_APP-eng: mkvmerge v49.0.0 ('Sick Of Losing Soulmates') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-11-18 05:03:06
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:1(jpn): Audio: aac (LC), 96000 Hz, stereo, fltp (default)
    Metadata:
      title           : AUDIO[AAC]
      BPS-eng         : 188626
      DURATION-eng    : 00:01:19.999000000
      NUMBER_OF_FRAMES-eng: 3750
      NUMBER_OF_BYTES-eng: 1886246
      _STATISTICS_WRITING_APP-eng: mkvmerge v49.0.0 ('Sick Of Losing Soulmates') 64-bit
      _STATISTICS_WRITING_DATE_UTC-eng: 2020-11-18 05:03:06
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream mapping:
  Stream #0:1 -> #0:0 (aac (native) -> mp3 (mp3_mf))
Press [q] to stop, [?] for help
[mp3_mf @ 000002142f4a5fc0] MFT name: 'MP3 Encoder ACM Wrapper MFT'
[mp3_mf @ 000002142f4a5fc0] unsupported input sample rate set
Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
Conversion failed!


  


• FFMPEG update from 5.0 to 6.0 out_0_0 buffer queued [closed]

  16 mai 2023, par Kevitto

  I've been using ffmpeg 5.0 for some time, encoding an audio stream to an rtp server, but since I updated to ffmpeg 6.0 I get this :

  


  [out_0_0 @ 0x55ac187b60] 100 buffers queued in out_0_0, something may be wrong.


  


  Below is the ffmpeg call :

  


  ffmpeg -re -f alsa -i default:CARD:card1 -ac 2 -af aresample=async=1 -acodec libopus -b:a 48000 -f rtp "rtp://127.0.0.1:5002"


  


  And here is the full startup log :

  


  ffmpeg version 549430e Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 10 (Debian 10.2.1-6)
  configuration: --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --extra-libs='-lpthread -lm -latomic' --arch=arm64 --enable-gmp --enable-gpl --enable-libopus --enable-nonfree --enable-version3 --target-os=linux --enable-pthreads --enable-openssl --enable-hardcoded-tables
  libavutil      58.  2.100 / 58.  2.100
  libavcodec     60.  3.100 / 60.  3.100
  libavformat    60.  3.100 / 60.  3.100
  libavdevice    60.  1.100 / 60.  1.100
  libavfilter     9.  3.100 /  9.  3.100
  libswscale      7.  1.100 /  7.  1.100
  libswresample   4. 10.100 /  4. 10.100
  libpostproc    57.  1.100 / 57.  1.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, alsa, from 'default:CARD=pisound':
  Duration: N/A, start: 1684250059.973334, bitrate: 1536 kb/s
  Stream #0:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> opus (libopus))
Press [q] to stop, [?] for help
Output #0, rtp, to 'rtp://127.0.0.1:5002':
  Metadata:
    encoder         : Lavf60.3.100
  Stream #0:0: Audio: opus, 48000 Hz, stereo, s16, 48 kb/s
    Metadata:
      encoder         : Lavc60.3.100 libopus
SDP:
v=0
o=- 0 0 IN IP4 127.0.0.1
s=No Name
c=IN IP4 127.0.0.1
t=0 0
a=tool:libavformat 60.3.100
m=audio 5002 RTP/AVP 97
b=AS:48
a=rtpmap:97 opus/48000/2
a=fmtp:97 sprop-stereo=1

size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    
size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    
[out_0_0 @ 0x559f530c60] 100 buffers queued in out_0_0, something may be wrong.
size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    
size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    
size=       0kB time=-00:00:00.00 bitrate=  -0.0kbits/s speed=N/A    
size=       0kB time=-00:00:00.00 bitrate=  -0.0kbits/s speed=N/A    
[alsa @ 0x559f4db460] ALSA buffer xrun.
size=       6kB time=00:00:02.81 bitrate=  16.7kbits/s speed=0.93x    
size=       6kB time=00:00:02.81 bitrate=  16.7kbits/s speed=0.797x    
size=       6kB time=00:00:02.83 bitrate=  16.6kbits/s speed=0.703x    
size=       6kB time=00:00:02.83 bitrate=  16.6kbits/s speed=0.624x    
size=       6kB time=00:00:02.83 bitrate=  16.6kbits/s speed=0.562x    
size=       6kB time=00:00:02.83 bitrate=  16.6kbits/s speed=0.511x    
[alsa @ 0x559f4db460] ALSA buffer xrun.
size=      10kB time=00:00:05.67 bitrate=  14.8kbits/s speed=0.939x    
size=      10kB time=00:00:05.67 bitrate=  14.8kbits/s speed=0.866x    
size=      10kB time=00:00:05.67 bitrate=  14.8kbits/s speed=0.805x    
size=      10kB time=00:00:05.67 bitrate=  14.8kbits/s speed=0.751x    
size=      10kB time=00:00:05.69 bitrate=  14.8kbits/s speed=0.707x    
[alsa @ 0x559f4db460] ALSA buffer xrun.
size=      13kB time=00:00:05.95 bitrate=  17.8kbits/s speed=0.696x    
size=      16kB time=00:00:08.51 bitrate=  15.2kbits/s speed=0.939x    
size=      16kB time=00:00:08.51 bitrate=  15.2kbits/s speed=0.89x    
size=      16kB time=00:00:08.53 bitrate=  15.2kbits/s speed=0.847x    
size=      16kB time=00:00:08.53 bitrate=  15.2kbits/s speed=0.806x    
size=      16kB time=00:00:08.53 bitrate=  15.2kbits/s speed=0.77x    
[alsa @ 0x559f4db460] ALSA buffer xrun.
size=      21kB time=00:00:11.37 bitrate=  14.8kbits/s speed=0.981x  


  


  I tried changing the output to -f null /dev/null to see if the rtp was the issue, but I get the same thing. I made sure the user running it was a member to the "audio" group and arecord -l and aplay -l both show the card with the right name and information. I even tried to use its hw code instead of the default name, and same issue.

  


• ffmpeg use gpu to encode mpeg4 to ts/m3u8 [closed]

  14 novembre 2024, par danielRICADO

  using ffmpeg I want to trim and transcode a mpeg4 from ts / m3u8

  


  std::string ffmpeg_command = "ffmpeg -hwaccel drm -i " + output_dir + input_file +
                         " -ss 00:00:00.00 -t 31 -c:v " + codec + " -b:v " + std::to_string(bitrate) +
                         " -vf scale=" + std::to_string(width) + "x" + std::to_string(height) +
                         " -hls_time " + std::to_string(30) + " -hls_list_size 0 -hls_segment_filename " +
                         ts_file_pattern + " -f hls " + m3u8_file;


  


  I wanted to choose between codecs based on the system, if gpu is avaiable I'd like to opt to use it, right now I just check if the codec is available

  


  bool is_h264_v4l2m2m_available() {
    std::string result = exec_command("ffmpeg -encoders 2>&1");
    return result.find("h264_v4l2m2m") != std::string::npos;
}


  


  if it is a I wanted to move that process over to the gpu, not just use libx264. Here is the error log. Studying hard on the solution but wold super apperciate any expert advice.

  


  other considerations are - runs in a docker container on a pi5, pibian on the host apline on in the container, container runs in privledged mode

  


  2024-11-14 15:18:41 [INFO]: assigned codec: h264_v4l2m2m
2024-11-14 15:18:41 ffmpeg version 6.1.1 Copyright (c) 2000-2023 the FFmpeg developers
2024-11-14 15:18:41   built with gcc 13.2.1 (Alpine 13.2.1_git20240309) 20240309
2024-11-14 15:18:41   configuration: --prefix=/usr --disable-librtmp --disable-lzma --disable-static --disable-stripping --enable-avfilter --enable-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libdav1d --enable-libdrm --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-libmp3lame --enable-libopenmpt --enable-libopus --enable-libplacebo --enable-libpulse --enable-librav1e --enable-librist --enable-libsoxr --enable-libsrt --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-libzimg --enable-libzmq --enable-lto=auto --enable-lv2 --enable-openssl --enable-pic --enable-postproc --enable-pthreads --enable-shared --enable-vaapi --enable-vdpau --enable-version3 --enable-vulkan --optflags=-O3 --enable-libjxl --enable-libsvtav1 --enable-libvpl
2024-11-14 15:18:41   libavutil      58. 29.100 / 58. 29.100
2024-11-14 15:18:41   libavcodec     60. 31.102 / 60. 31.102
2024-11-14 15:18:41   libavformat    60. 16.100 / 60. 16.100
2024-11-14 15:18:41   libavdevice    60.  3.100 / 60.  3.100
2024-11-14 15:18:41   libavfilter     9. 12.100 /  9. 12.100
2024-11-14 15:18:41   libswscale      7.  5.100 /  7.  5.100
2024-11-14 15:18:41   libswresample   4. 12.100 /  4. 12.100
2024-11-14 15:18:41   libpostproc    57.  3.100 / 57.  3.100
2024-11-14 15:18:42 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/app/client-data/camera-output/7ea3cbef-4da0-11ed-bdcc-baf70a43c072/1731550687270.mp4':
2024-11-14 15:18:42   Metadata:
2024-11-14 15:18:42     major_brand     : isom
2024-11-14 15:18:42     minor_version   : 512
2024-11-14 15:18:42     compatible_brands: isomiso2avc1mp41
2024-11-14 15:18:42     encoder         : Lavf60.16.100
2024-11-14 15:18:42   Duration: 00:00:31.33, start: 0.000000, bitrate: 678 kb/s
2024-11-14 15:18:42   Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1024x1024, 677 kb/s, 15 fps, 15 tbr, 15360 tbn (default)
2024-11-14 15:18:42     Metadata:
2024-11-14 15:18:42       handler_name    : VideoHandler
2024-11-14 15:18:42       vendor_id       : [0][0][0][0]
2024-11-14 15:18:42 [AVFormatContext @ 0x7f9254dcb4c0] Unable to choose an output format for '678000'; use a standard extension for the filename or specify the format manually.
2024-11-14 15:18:42 [out#0 @ 0x7f9254d70700] Error initializing the muxer for 678000: Invalid argument
2024-11-14 15:18:42 Error opening output file 678000.
2024-11-14 15:18:42 Error opening output files: Invalid argument
2024-11-14 15:18:42 [ERROR]: Failed to generate .ts file for: 1731550687270.mp4