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• libav ffmpeg - streaming from both a mkv and input stream

  20 janvier 2020, par kealist

  I am trying to use ffmpeg libraries in C# with AutoGen bindings. The overall issue is that I am taking a collection of sources, some streams, and some .mkv containing recordings of a stream. As for now, they are all h264 and only video. For input streams, I am able to adjust the packets and broad cast them and that works fine, but any time I try to call av_interleaved_write_frame with packets from the MKV file, I get the error Error occurred: Invalid data found when processing input.

  Here is the main loop, where the error happens for mkv files. Is there an extra step ?

  /* read all packets */
  
  while (true)
  
  {
  
      if ((ret = ffmpeg.av_read_frame(ifmt_ctx, &packet)) < 0)
  
      {
  
          Console.WriteLine("Unable to read packet");
  
          break;
  
      }
  
      stream_index = (uint)packet.stream_index;
  
      type = ifmt_ctx->streams[packet.stream_index]->codecpar->codec_type;
  
      Console.WriteLine($"Demuxer gave frame of stream_index %{stream_index}");
  
  
  
  
  
      /* remux this frame without reencoding */
  
      ffmpeg.av_packet_rescale_ts(&packet,
  
          ifmt_ctx->streams[stream_index]->time_base,
  
          ofmt_ctx->streams[stream_index]->time_base);
  
  
  
      if (packet.stream_index < 0)
  
      {
  
          Console.WriteLine("Packet stream error");
  
      }
  
  
  
  
  
  
  
      ret = ffmpeg.av_write_frame(ofmt_ctx, &packet);
  
      if (ret < 0)
  
      {
  
          goto end;
  
      }
  
      else
  
      {
  
          ffmpeg.av_packet_unref(&packet);
  
      }
  
  }

  Anything need to be different for MKV files ?

  I get some contradictory error output where it claims it is annex b but also isn’t :

  [AVBSFContext @ 00000220eb657080] The input looks like it is Annex B already
  
  Automatically inserted bitstream filter 'h264_mp4toannexb'; args=''
  
  [mpegts @ 00000220ebace300] H.264 bitstream malformed, no startcode found, use the video bitstream filter 'h264_mp4toannexb' to fix it ('-bsf:v h264_mp4toannexb' option with ffmpeg)

  Verbose output from ffplay from an MKV file :

  ffplay version git-2020-01-13-7225479 Copyright (c) 2003-2020 the FFmpeg developers
  
    built with gcc 9.2.1 (GCC) 20200111
  
    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-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-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  
    libavutil      56. 38.100 / 56. 38.100
  
    libavcodec     58. 65.103 / 58. 65.103
  
    libavformat    58. 35.102 / 58. 35.102
  
    libavdevice    58.  9.103 / 58.  9.103
  
    libavfilter     7. 71.100 /  7. 71.100
  
    libswscale      5.  6.100 /  5.  6.100
  
    libswresample   3.  6.100 /  3.  6.100
  
    libpostproc    55.  6.100 / 55.  6.100
  
  Initialized direct3d renderer.
  
  [h264 @ 00000165ed18d140] Reinit context to 640x480, pix_fmt: yuv444p
  
  Input #0, matroska,webm, from '.\webcam_14_Test1.mkv':   0B f=0/0
  
    Metadata:
  
      ENCODER         : Lavf58.12.100
  
    Duration: 00:00:39.30, start: 0.000000, bitrate: 1943 kb/s
  
      Stream #0:0: Video: h264 (High 4:4:4 Predictive), 1 reference frame, yuv444p(progressive, left), 640x480 [SAR 1:1 DAR 4:3], 1k fps, 30 tbr, 1k tbn, 60 tbc (default)
  
      Metadata:
  
        DURATION        : 00:00:39.299000000
  
  [h264 @ 00000165f424e200] Reinit context to 640x480, pix_fmt: yuv444p
  
  [ffplay_buffer @ 00000165f52ea840] w:640 h:480 pixfmt:yuv444p tb:1/1000 fr:30/1 sar:1/1
  
  [auto_scaler_0 @ 00000165ed1d2c80] w:iw h:ih flags:'bicubic' interl:0
  
  [ffplay_buffersink @ 00000165f424ef00] auto-inserting filter 'auto_scaler_0' between the filter 'ffplay_buffer' and the filter 'ffplay_buffersink'
  
  [auto_scaler_0 @ 00000165ed1d2c80] w:640 h:480 fmt:yuv444p sar:1/1 -> w:640 h:480 fmt:yuv420p sar:1/1 flags:0x4
  
  Created 640x480 texture with SDL_PIXELFORMAT_IYUV.
  
  [AVIOContext @ 00000165ed179a40] Statistics: 9547965 bytes read, 0 seeks

• Why i got an error with ffmpeg when i'm trying to merge 2 video file with the audio of a third video file multiple time in 1 line ?

  28 août 2020, par Niron

  I have 1 video file that i want to concat with an other video file using the audio of a third video file, and this 5 time in a line.
The only file that don't change is the first video file.
So i tried to run this command :

  


  ./ffmpeg.exe -i Video\\decompte.mp4 -i "Video\\Breaking Bad_OPENING_Opening.mp4" -i "TempVideo\\Breaking 
Bad_OPENING_Opening.mp4" -i "Video\\The 100_OPENING_Opening.mp4" -i "TempVideo\\The 
100_OPENING_Opening.mp4" -i "Video\\Stranger Things_OPENING_Opening.mp4" -i "TempVideo\\Stranger 
Things_OPENING_Opening.mp4" -i "Video\\Lucifer_OPENING_Opening.mp4" -i 
"TempVideo\\Lucifer_OPENING_Opening.mp4" -i "Video\\Black Mirror_OPENING_Opening.mp4" -i 
"TempVideo\\Black Mirror_OPENING_Opening.mp4" -filter_complex "
[0:0]scale=1280:720:force_original_aspect_ratio=1[v0]; 
[2:v]scale=1280:720:force_original_aspect_ratio=1[v2]; 
[4:v]scale=1280:720:force_original_aspect_ratio=1[v4]; 
[6:v]scale=1280:720:force_original_aspect_ratio=1[v6]; 
[8:v]scale=1280:720:force_original_aspect_ratio=1[v8]; 
[10:v]scale=1280:720:force_original_aspect_ratio=1[v10]; 
[v0][v2][1:a][v0][v4][3:a][v0][v6][5:a][v0][v8][7:a][v0][v10][9:a]concat=n=5:v=2:a=1[outv][outa]"
 -map "[outv]" -map "[outa]" 637342141280804229.mp4


  


  But when i run this command i get an error but i don't understand why :

  


  ffmpeg version git-2019-11-22-27c6c92 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 9.2.1 (GCC) 20191010
  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-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-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  libavutil      56. 36.100 / 56. 36.100
  libavcodec     58. 62.100 / 58. 62.100
  libavformat    58. 35.100 / 58. 35.100
  libavdevice    58.  9.101 / 58.  9.101
  libavfilter     7. 66.100 /  7. 66.100
  libswscale      5.  6.100 /  5.  6.100
  libswresample   3.  6.100 /  3.  6.100
  libpostproc    55.  6.100 / 55.  6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Video\decompte.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41
    creation_time   : 2020-04-02T15:15:56.000000Z
  Duration: 00:00:20.00, start: 0.000000, bitrate: 475 kb/s
    Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1600x900, 468 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc (default)
    Metadata:
      creation_time   : 2020-04-02T15:15:56.000000Z
      handler_name    : ?Mainconcept Video Media Handler
      encoder         : AVC Coding
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'Video\Breaking Bad_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:17.60, start: 0.000000, bitrate: 399 kb/s
    Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 426x240 [SAR 1:1 DAR 71:40], 275 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #1:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'TempVideo\Breaking Bad_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:02.02, start: 0.000000, bitrate: 551 kb/s
    Stream #2:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 426x240 [SAR 1:1 DAR 71:40], 417 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #2:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from 'Video\The 100_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:34.13, start: 0.000000, bitrate: 3925 kb/s
    Stream #3:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 3794 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #3:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #4, mov,mp4,m4a,3gp,3g2,mj2, from 'TempVideo\The 100_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:02.02, start: 0.000000, bitrate: 6158 kb/s
    Stream #4:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 6076 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #4:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #5, mov,mp4,m4a,3gp,3g2,mj2, from 'Video\Stranger Things_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:53.45, start: 0.000000, bitrate: 1015 kb/s
    Stream #5:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 881 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc.
    Stream #5:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #6, mov,mp4,m4a,3gp,3g2,mj2, from 'TempVideo\Stranger Things_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:02.02, start: 0.000000, bitrate: 1186 kb/s
    Stream #6:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 1058 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc.
    Stream #6:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #7, mov,mp4,m4a,3gp,3g2,mj2, from 'Video\Lucifer_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:03:24.17, start: 0.000000, bitrate: 178 kb/s
    Stream #7:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 43 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 07/28/2020.
    Stream #7:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 126 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #8, mov,mp4,m4a,3gp,3g2,mj2, from 'TempVideo\Lucifer_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:02.02, start: 0.000000, bitrate: 239 kb/s
    Stream #8:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 99 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 07/28/2020.
    Stream #8:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 127 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #9, mov,mp4,m4a,3gp,3g2,mj2, from 'Video\Black Mirror_OPENING_Opening.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2018-03-13T16:58:18.000000Z
  Duration: 00:00:19.04, start: 0.000000, bitrate: 314 kb/s
    Stream #9:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 1280x718 [SAR 1:1 DAR 640:359], 184 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc (default)
    Metadata:
      creation_time   : 2018-03-13T16:58:18.000000Z
      handler_name    : ISO Media file produced by Google Inc. Created on: 03/13/2018.
    Stream #9:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2018-03-13T16:58:18.000000Z
      handler_name    : ISO Media file produced by Google Inc. Created on: 03/13/2018.
Input #10, mov,mp4,m4a,3gp,3g2,mj2, from 'TempVideo\Black Mirror_OPENING_Opening.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.35.100
  Duration: 00:00:02.02, start: 0.000000, bitrate: 351 kb/s
    Stream #10:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x718 [SAR 1:1 DAR 640:359], 211 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 03/13/2018.
    Stream #10:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 129 kb/s (default)
    Metadata:
      handler_name    : ISO Media file produced by Google Inc. Created on: 03/13/2018.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0000020b6fd5cb80] Invalid stream specifier: v0.
    Last message repeated 1 times
Stream specifier 'v0' in filtergraph description [0:0]scale=1280:720:force_original_aspect_ratio=1[v0]; [2:v]scale=1280:720:force_original_aspect_ratio=1[v2]; [4:v]scale=1280:720:force_original_aspect_ratio=1[v4]; [6:v]scale=1280:720:force_original_aspect_ratio=1[v6]; [8:v]scale=1280:720:force_original_aspect_ratio=1[v8]; [10:v]scale=1280:720:force_original_aspect_ratio=1[v10]; [v0][v2][1:a][v0][v4][3:a][v0][v6][5:a][v0][v8][7:a][v0][v10][9:a]concat=n=5:v=2:a=1[outv][outa] matches no streams.



  


  Please someone can help me because i'm stuck with this.

  


• H.264 to DNxHR 444 issue. Colors are not transcoded correctly (HDR project)

  21 janvier 2020, par Raulo1985

  I’m having an issue transcoding a H.264 UHD HDR file to a DNxHR file in a mxf container with FFmpeg. The issue is that both files don’t look the same at all, the colors look washed out on the DNxHR video, and I tried to make the transcoding as lossless as possible (DNxHR 444 flavor). The original file is a movie I ripped a while ago, H.264, UHD, HDR, in a mkv container.

  My goal : to create an almost lossless DNxHR file to use it as source file in Adobe Premiere Pro, and use another DNxHR file with less quality as proxy for editing. I wanted to do it that way and not use the original H.264 as the source file because it’s out of sync with the proxy file (I mean, when I toggle the proxy icon on and off, you can tell that there’s a short delay between them, which defeats all purposes for editing). My guess is that it may be because H.264 is compressed and DNxHR isn’t, and since I edit making a lot of fast cuts, I need both the source file and the proxy file to be as synced as possible. When the source file and the proxy file are both DNxHR, no matter the flavor, they are perfectly synced. I don’t want to go with Prores for the proxies, because the sync problem is a lot worse (several seconds of delay between files), maybe because it’s a VBR codec and my original file and DNxHR are CBR (for the record, I always prefer CBR).

  Well, the thing is that when I import the original H.264 file to Premiere Pro, use a DNxHR proxy, edit a little, and export it directly from the original file (H.264 10 bits, with all the settings required for HDR output enabled) the colors look as they should. When I do the same with the high quality DNxHR as source file, with the exact same export settings, the colors look washed out. The same with any DNxHR flavor.

  Then I opened both files (original H.264 and high quality DNxHR transcoded from the H.264 one) with VLC, and I also can tell that the mxf file looks washed out and the H.264 file doesn’t. So it’s not an export issue on Premiere’ side, it’s something that has to do with the original transcoding.

  I understand that DNxHR 444 is as lossless as you can get with that codec, preserving all the HDR required data, and I believe that the mfx container has some advantages over MOV, which is the other container that supports DNxHD/DNxHR. So I don’t know what’s happening really.

  The command I used was :

  ffmpeg -channel_layout 63 -i input.mkv -map 0:0 -c:v dnxhd -vf "scale=in_range=limited:out_range=full" -color_range 2 -profile:v dnxhr_444 -pix_fmt yuv444p10le -acodec pcm_s24le -ar 48000 -ac 6 -channel_layout 63 -map 0:2 -hide_banner output.mxf

  Like I said, after the transcoding, both video files look a lot different from each other, color wise. And after using them in Premiere and exporting with the exact same settings, the output files suffer from the same difference.

  Mediainfo shows the expected data for both files :
   10 bits, main 10, level 5, 4:2:0, CBR, BT.2020 for the original h.264 file.
   10 bits, 4:4:4, CBR for the DNxHR 444 file.

  One thing I noticed in Mediainfo is that both have YUV as color space, but the DNxHR 444 video has an extra field that says ColorSpace_Original : RGB. Honestly, I don’t know what that means, since the original is YUV. Color range is fine, from 0 to 1023 (and chroma range 1023). The other thing is that it says "limited" on the color range field of the H.264 file, but I’ve read that that could be a bug or missinterpretation of the file by Mediainfo.

  Well, that’s it, any help would be appreciated. I’d really like to edit with DNxHR 444 as source file and DNxHR LB for the proxies, so I can edit in a fast pace and without sync issues, but the color is just not acceptable. And I do understand that I’m adding an extra transcoding step (from original to DNxHR), but the sync issue between the original and the DNxHR proxies, even though it may be a delay of a fraction of a second, makes my workflow a lot harder since I’ll have to export many times to see if the cuts are made exactly where I want them to be. Not ideal by any means. And Prores is not an option apparently, the sync issue is a lot worse. For me, it all comes down to being able to get a DNxHR 444 file that looks, well, as close to lossless as it can be, and that goal obviously involves the colors.

  Thanks in advance.

  PS : file size is not an issue for me, so having an entire UHD HDR movie transcoded to DNxHR 444 is not a problem.

  PS2 : I tried with a different chroma subsampling (like DNxHR HQX 10 bits, which is 4:2:2), same result. Haven´t tried with 8 bits yet, but I don’t see the point since this is a HDR project.

  EXTRA INFO :

  1) FFprobe output of the MXF DNxHR file (this one is 4:2:2, the only difference with the command used compared to the one stated on the OP is -pix_fmt yuv444p10le being -pix_fmt yuv422p10le) :

    libavutil      56. 31.100 / 56. 31.100
  
    libavcodec     58. 54.100 / 58. 54.100
  
    libavformat    58. 29.100 / 58. 29.100
  
    libavdevice    58.  8.100 / 58.  8.100
  
    libavfilter     7. 57.100 /  7. 57.100
  
    libswscale      5.  5.100 /  5.  5.100
  
    libswresample   3.  5.100 /  3.  5.100
  
    libpostproc    55.  5.100 / 55.  5.100
  
  [mxf @ 000001f4d17fbac0] Stream #0: not enough frames to estimate rate; consider increasing probesize
  
  Input #0, mxf, from 'Interstellar_Master_DNxHR_444_UHD_422_PCM24_5.1.mxf':
  
    Metadata:
  
      operational_pattern_ul: 060e2b34.04010101.0d010201.01010900
  
      uid             : adab4424-2f25-4dc7-92ff-29bd000c0000
  
      generation_uid  : adab4424-2f25-4dc7-92ff-29bd000c0001
  
      company_name    : FFmpeg
  
      product_name    : OP1a Muxer
  
      product_version : 58.29.100
  
      product_uid     : adab4424-2f25-4dc7-92ff-29bd000c0002
  
      material_package_umid: 0x060A2B340101010501010D001393EE79529471348D93EE7900529471348D9300
  
      timecode        : 00:00:00:00
  
    Duration: 02:49:03.97, start: 0.000000, bitrate: 1404833 kb/s
  
      Stream #0:0: Video: dnxhd (DNXHR 444), yuv444p10le(bt709/unknown/unknown, progressive), 3840x2160, SAR 1:1 DAR 16:9, 23.98 tbr, 23.98 tbn, 23.98 tbc
  
      Metadata:
  
        file_package_umid: 0x060A2B340101010501010D001393EE79529471348D93EE7900529471348D9301
  
      Stream #0:1: Audio: pcm_s24le, 48000 Hz, 6 channels, s32 (24 bit), 6912 kb/s
  
      Metadata:
  
        file_package_umid: 0x060A2B340101010501010D001393EE79529471348D93EE7900529471348D9301

  2) FFprobe output of the MP4 H.264 source file (this one is 4:2:0, 10 bits, HDR) :

      Stream #0:0(eng): Video: hevc (Main 10) (hev1 / 0x31766568), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x2160 [SAR 1:1 DAR 16:9], 15584 kb/s, 23.98 fps, 23.98 tbr, 16k tbn, 23.98 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(eng): Audio: ac3 (ac-3 / 0x332D6361), 48000 Hz, 5.1(side), fltp, 640 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
      Side data:
  
        audio service type: main
  
      Stream #0:2(eng): Data: bin_data (text / 0x74786574)
  
      Metadata:
  
        handler_name    : SubtitleHandler
  
  Unsupported codec with id 100359 for input stream 2