[MPlayer-users] Various MKV issues

Reimar Döffinger Reimar.Doeffinger at gmx.de
Wed Apr 14 18:19:21 CEST 2010


On Wed, Apr 14, 2010 at 05:30:12PM +0200, ubitux wrote:
> On Tue, Apr 13, 2010 at 09:42:49PM +0200, Reimar Döffinger wrote:
> > On Mon, Apr 12, 2010 at 11:24:24PM +0200, ubitux wrote:
> > > On Mon, Apr 12, 2010 at 11:11:11PM +0200, Reimar Döffinger wrote:
> > > > On Mon, Apr 12, 2010 at 08:49:17PM +0200, ubitux wrote:
> > > > > First, the sound is not good and there is a big a-v sync issue related to it.
> > > > 
> > > > That is because IMO the file is broken. It claims to have a sample rate to
> > > > 24 kHz, but it uses AAC with SBR which is 48kHz.
> > > > -demuxer mkv believes what the container says, -demuxer lavf believes what the
> > > > AAC bitstream says. While the later is more likely to work well in practice,
> > > > neither is correct.
> > > > 
> > > 
> > > Well ok. I don't know how it's handled in git repository but it works fine
> > > on it, maybe there is some kind of patch to get there.
> > 
> > Sorry, yes, I forgot to mention the most practical "solution", use the faad decoder,
> > e.g. via -ac faad, adding "ac=faad," to the config file, or modifying codecs.conf
> > to prefer it again over ffaac.
> 
> Works fine, thanks. Is there a reason to prefer ffaac over faad?

Mostly that once we figured out the issues with ffaac we can get rid of our
internal copy of faad.
Unfortunately I have too little time to spend much time on it.


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