[Ffmpeg-devel] libtheora brokenness in lavc

[Michael Niedermayer]

Hi

On Sun, Jul 16, 2006 at 10:47:20PM +0200, matthieu castet wrote:
> matthieu castet wrote:
> >matthieu castet wrote:
> >
> >>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.
> >>
> Update the patch to latest svn (after michael change) + a fix in 
> theora_decode_header parsing

if this change doest break decoding of any samples then its ok, 
assuming of course that the maintainers of the specific parts dont object

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

In the past you could go to a library and read, borrow or copy any book
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