[MPlayer-dev-eng] Add support for vorbis.acm

[Roberto Togni]

On Tue, 4 Mar 2008 11:04:59 +0800
"Zuxy Meng" <zuxy.meng at gmail.com> wrote:

> Hi,
> 
> 2008/3/4, Roberto Togni <rxt at rtogni.it>:
> > On Fri, 29 Feb 2008 16:24:59 +0800
> > "Zuxy Meng" <zuxy.meng at gmail.com> wrote:
> >
> > > Hi,
> > >
> > > Quite a few people have problems like "Cannot find codec for audio
> > > format 0x6771." Such avi files turn out to have been encoded with an
> > > old codec whose binary and source can be found at
> > > http://svn.xiph.org/tags/vorbis/vorbisacm_20020708/.
> > >
> > > The attached patch enables mplayer to play at least some of them, like
> > > ftp://upload.mplayerhq.hu/MPlayer/samples/avi/ogg/mode2_ogg.avi. But
> > > mode3_ogg.avi seems still broken.
> > >
> >
> > mode2 works with your patch, mode3 and ogg.avi have garbled audio.
> > The Coyote Ugly sample works with ffvorbis and libvorbis, same for
> > mode1.
> >
> > Can you confirm that this works for anything else than mode2 files?
> > Mode1 work without the patch (the avi demuxer takes care of that by
> > chaining the ogg demuxer, the only way to use it with the acm is to
> > force lavf demuxer so that the vorbis is not extracted from the ogg).
> > Mode3 does not work.
> > I have no samples for mode 1+, 2+ and 3+
> 
> I can confirm that mode3+ works. No samples for 1+ and 2+ either.
> 
> >
> > Do you have any idea about how audio is stored in mode 2 and 3 (1 is
> > just ogg in avi)? Maybe it's not too difficult to support them natively
> > in the avi demuxer.
> 
> Sure now we have the source.
> 
> [...]

Finally applied.

Ciao,
 Roberto
-- 
Better is the enemy of good enough.