[MPlayer-users] Strange timecode behavior with FLAC files

[Reimar Döffinger]

On Thu, Nov 25, 2010 at 09:07:23PM +0200, Uoti Urpala wrote:
> On Thu, 2010-11-25 at 19:43 +0100, Ilja Sekler wrote:
> > On 25.11.2010 00:21, Uoti Urpala wrote:
> > > The biggest cause of problems is that the FFmpeg FLAC decoder
> > > behaves badly. It internally buffers packets in a way that makes it
> > > impossible to know what part of its output corresponds to which input
> > > packet (and thus to which timecode). I think this should get fixed
> > > after the FLAC parser patches are applied in FFmpeg. The parser
> > > itself isn't needed, but the patches remove the current badly done
> > > buffering implementation.
> > 
> > Thank you, assuming that you speak about the thread on ffmpeg-devel
> > starting with
> > <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2010-July/093465.html>, I
> > applied parts of the patch from
> > <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2010-July/093848.html>
> > which suffered minor bitrot to libavcodec/flac{.h,dec.c} - the resulting
> > mplayer binary displays correct timecode in FLAC files starting with
> > zero for max. 2.5 seconds and then crashes with following flac-related
> > messages:
> 
> There's a recent version available. Note that if you play raw FLAC files
> then you probably need to specify -demuxer lavf.

Or add support for the parser in libmpdemux/demuxer.c, allocate_parser
(around line 470).
But the fact that it is not applied often is an indication that it's
not going to work that well yet anyway.