[Matroska-users] matroska / ffmpeg / bitrate

Steve Lhomme slhomme at matroska.org
Tue Jul 13 13:35:48 CEST 2010

Matroska doesn't store the bitrate information as it may change when editing
the file (although such tools could theoretically update the bitrate info

It can be written as a tag, but noone supports reading or writing this info

On Mon, Jul 12, 2010 at 3:18 PM, startx <startx at plentyfact.org> wrote:

> hello.
> whenever encode video/audio into a matroska container with ffmpeg,
> i cannot get the bitrate of the streams inside the mkv later.
> ffmpeg later reports just "bitrate N/A", mencoder "BITRATE = 0"
> is this an ffmpeg issue or something i dont understand about
> the matroska container? ( i use dirac/flac inside mkv )
> is there any way to correct this afterwards?
> also is there a reason why mkvinfo does not report the bitrate of
> a stream at all? is this by design?
> startx
> PS: the files play fine though.
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