[MPlayer-users] mkv demuxer dying at certain places in file

[Evgeniy Stepanov]

On Monday 16 June 2008 12:08:00 Robert Henney wrote:
> I've run across a file that seems to confuse the matroska demuxer enough
> that it will appear to abort when reaching certain points in the file.
> seeking past these points gets around the problem, as well as using the
> lavf demuxer.
>
> using the lavf demuxer, though it allows the file to play fine, does
> provide what might be clues.  at the times the matroska demuxer would
> abort, the lavf demuxer prints "Unknown entry 0xbf in cluster data".
> Not sure what exactly that indicates though.  I do not believe that
> the file is corrupt.
>
> I made the file available at http://rut.org/mplayer/
> The times where these problems occur are at 0:53 and 1:08.

It contains multiple clusters, demux_mkv can't handle such files.

There is also a problem with subtitles not being displayed. I've send a patch 
fixing it to ffmpeg-devel.