[Ffmpeg-devel] libtheora brokenness in lavc

matthieu castet castet.matthieu
Sun Jul 16 22:34:15 CEST 2006

matthieu castet wrote:
> M?ns Rullg?rd wrote:
>> matthieu castet <castet.matthieu at free.fr> writes:
>> Looks like a placeholder or something.  I wrote oggtheora.c, and I
>> didn't include an encoder.
> See 
> http://article.gmane.org/gmane.comp.video.ffmpeg.devel/19311/match=nilesh 
> for more details.
>>> IIRC it supports only stream produced by current stable encoder but
>>> can't decode avanced theora stream that are produced by an
>>> experimental encoder ( http://svn.xiph.org/trunk/theora-exp/). But the
>>> official decoder can't decode them either ...
>> IIRC there was also an issue with bitstreams produced by some really
>> old libtheora.  Is this still the case?
> For this one, Alex fixes some issues about these old streams (IIRC there 
> are not supported by the official decoder...).
> But playing an old version 
> (http://samples.mplayerhq.hu/ogg/Theora/theora.ogg) seems still broken.
Here a patch for playing old theora file.

PS : I am not sure if gpshift in oggparsetheora.c is correct.

-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: old.theora.diff
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20060716/6f9e38e8/attachment.asc>

More information about the ffmpeg-devel mailing list