Video bit-rate missing from ffprobe output for this video

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Video bit-rate missing from ffprobe output for this video

Shyam Sundar
Hi,

While trying to parse matadata of attached video with FFmpeg 3.3.3, I don't
get video bit-rate in the output.

If try with some old version (e.g. 2.8.1), it returns the same as 'max.
6000 kb/s'.

Is it a bug in latest version OR latest output is more accurate ??

https://drive.google.com/uc?id=1ppes0Zm1CEVjtyqh2CTiAG5k592SnmLi&export=download

Thanks in advance.

------------------------------------------------------------------------------------------------
$ ./3.3.3/ffprobe.exe Video_MPEG-2.mpg2
ffprobe version 3.3.3 Copyright (c) 2007-2017 the FFmpeg developers
  built with gcc 7.1.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-cuda
--enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx
--enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig
--enable-frei0r --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
--enable-libzimg --enable-lzma --enable-zlib
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavdevice    57.  6.100 / 57.  6.100
  libavfilter     6. 82.100 /  6. 82.100
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc    54.  5.100 / 54.  5.100
Input #0, mpeg, from 'Video_MPEG-2.mpg2':
  Duration: 00:02:27.07, start: 0.213367, bitrate: 4419 kb/s
    Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv,
bt470bg/bt470m/bt470m, bottom first), 704x480 [SAR 1:1 DAR 22:15], 29.97
fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Stream #0:1[0x1c0]: Audio: mp2, 44100 Hz, stereo, s16p, 224 kb/s
------------------------------------------------------------------------------------------------

$ ./2.8.1/ffprobe.exe Video_MPEG-2.mpg2
ffprobe version 2.8.1 Copyright (c) 2007-2015 the FFmpeg developers
  built with gcc 5.2.0 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-libschroedinger --enable-libsoxr --enable-libspeex
--enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
--enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma
--enable-decklink --enable-zlib
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
Input #0, mpeg, from 'Video_MPEG-2.mpg2':
  Duration: 00:02:27.07, start: 0.213367, bitrate: 4419 kb/s
    Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv,
bt470bg/bt470m/bt470m), 704x480 [SAR 1:1 DAR 22:15], max. 6000 kb/s, 29.97
fps, 29.97 tbr, 90k tbn, 59.94 tbc
    Stream #0:1[0x1c0]: Audio: mp2, 44100 Hz, stereo, s16p, 224 kb/s
------------------------------------------------------------------------------------------------
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Re: Video bit-rate missing from ffprobe output for this video

Carl Eugen Hoyos-2
2017-11-30 20:27 GMT+01:00 Shyam Sundar <[hidden email]>:

> While trying to parse matadata of attached video with FFmpeg 3.3.3, I don't
> get video bit-rate in the output.
>
> If try with some old version (e.g. 2.8.1), it returns the same as 'max.
> 6000 kb/s'.
>
> Is it a bug in latest version OR latest output is more accurate ??

This is another codecpar regression, I opened ticket #6886:
https://trac.ffmpeg.org/ticket/6886

Thank you, Carl Eugen
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Re: Video bit-rate missing from ffprobe output for this video

Shyam Sundar
Thanks Carl for confirming it.

While testing further, I realized that this is a generic issue happening
for many videos, and not specific to any specific file(s).

Regards.
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