[Ffmpeg-devel] [BUG] lavf problems with mkv samples

[Aurelien Jacobs]

On Tue, 27 Feb 2007 01:14:23 +0100
Aurelien Jacobs <aurel at gnuage.org> wrote:

> On Mon, 26 Feb 2007 09:13:07 -0500
> Compn <tempn at twmi.rr.com> wrote:
> 
> > michael asked for some samples where lavf demuxer has trouble
> > 
> > i will write some more mails like these for other formats
> > so if you want more or different information, please tell me now.
> 
> First let me say that I'm aware of some problem and limiations of the
> mkv demuxer. But unfortunatly I don't have much time to work on it.
> Still, I will try to fix all know issues at some point.
> 
> > tested with MPlayer dev-SVN-r22307-3.2.3
> 
> I gave a quick try to the samples you pointed, with ffplay (latest svn).
> 
> > http://samples.mplayerhq.hu/Matroska/bug669-simpleblocks.mkv
> > Playing bug669-simpleblocks.mkv.
> > libavformat file format detected.
> > [matroska @ 005A90C0]Matroska demuxer version 1 too old for file
> > version 2 LAVF_header: av_open_input_stream() failed
> > lavf fails, mplayer works
> 
> Confirmed. This one is probably easy to fix.

Fixed.

> > http://samples.mplayerhq.hu/Matroska/Mushishi24-head.mkv
> > LAVF_check: no clue about this gibberish!
> > if using -demuxer lavf -lavfdopts format=matroska
> > Forced lavf Matroska file format demuxer
> 
> It seems probe function needs some tweeking. It's miss detected
> as mp4.

Fixed.

> > libavformat file format detected.
> > [matroska @ 005A90C0]Matroska demuxer version 1 too old for file
> > version 2 LAVF_header: av_open_input_stream() failed
> > lavf detection fails, and another matroska demuxer version 1 too old.
> 
> Probably same problem as bug669-simpleblocks.mkv.

Fixed.

Aurel