[FFmpeg-user] Getting MPEG2 video stream bitrate
Carl Eugen Hoyos
cehoyos at ag.or.at
Fri Apr 25 16:20:45 CEST 2014
Tobias Rapp <t.rapp <at> noa-audio.com> writes:
> I am trying to get the bitrate of an MXF/MPEG2 file using ffprobe. The
> summary printed to stderr shows the bitrate info "max. 50000 kb/s" but the
> value printed to stdout says "bit_rate=N/A".
The stream does not save a (constant or average) bitrate, only the
maximum bitrate is stored.
> ffprobe version 2.2.1 Copyright (c) 2007-2014 the FFmpeg developers
Please always test current FFmpeg git head before asking here.
> [mxf <at> 0x27bd2e0] Field dominance 0 support is not implemented.
> Update your FFmpeg version to the newest one from Git. If the problem
> still occurs, it means that your file has a feature which has not been
> [mxf <at> 0x27bd2e0] If you want to help, upload a sample of this file to
> ftp://upload.ffmpeg.org/MPlayer/incoming/ and contact the ffmpeg-devel
> mailing list.
And it appears that we need such a sample.
(I don't know much about mxf though.)
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