[FFmpeg-devel] first_dts set to RELATIVE_TS_BASE in vorbis audio

Michael Niedermayer michaelni at gmx.at
Fri May 4 15:50:19 CEST 2012


Hi Dale

On Thu, May 03, 2012 at 05:10:59PM -0700, Dale Curtis wrote:
> On Thu, Apr 12, 2012 at 4:05 PM, Dale Curtis <dalecurtis at chromium.org>wrote:
> 
> > I resync'd and it works fine. Thanks Michael!
> >
> > - dale
> >
> >
> On further testing this change breaks the ability to call av_seek_frame()
> before an av_read_frame() on certain ogg files:
> 
> http://commondatastorage.googleapis.com/dalecurtis-shared/ogg-ts-test.tar.bz2
> http://commondatastorage.googleapis.com/dalecurtis-shared/bassdist_1.ogg
> 
> Test case can be compiled with:
> gcc -std=c99 -o ogg-ts ogg-ts.c -lstdc++ libavformat/libavformat.a
> libavcodec/libavcodec.a libavutil/libavutil.a -lz -lbz2 -lpthread
> 
> The test will fail at the first av_seek_frame() call when used with the
> bassdist_1.ogg file.
> 
> The test also highlights some issues with timestamps going backwards in
> time (with test.ogv) that I've raised on libav-devel since the patch

all fixed

If you have further problems, please report them ASAP, ogg is a quite
messy format and its easily possible that there are further issues.
or that we misunderstood the spec at fine details, its not a very
clear spec but then few specs are clearly written.

Thanks

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many that live deserve death. And some that die deserve life. Can you give
it to them? Then do not be too eager to deal out death in judgement. For
even the very wise cannot see all ends. -- Gandalf
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