[FFmpeg-devel] h263 - svq3 optimizations

[Stefano Sabatini]

On date Tuesday 2009-03-17 14:49:27 +0100, Panagiotis Issaris encoded:
> Hi,
> 
> On Tuesday 17 March 2009 13:38:02 Jason Garrett-Glaser wrote:
> > On Tue, Mar 17, 2009 at 4:16 AM, Yohann Martineau
> >
> > <yohann.martineau at gmail.com> wrote:
> > > hello,
> > >
> > > h263 and sorenson spark have some common elements. Both have picture,
> > > MB and block layers. And it seems that block layer is also very
> > > similar between those two codecs.
> > >
> > > Do you think it would make sense to work on transcoding optimizations
> > > between those two codecs?
> >
> > Perhaps you meant H.264?  SVQ3 is quite similar to H.264, not H.263.
> 
> No, he's right, Sorenson _Spark_ and H.263 are actually very similar. They 
> differ mostly in header structure and ranges of the coefficients.

Relevant thread:
http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/38634/focus=38647

for a strictly related problem (FLV <-> H.263).

Regards.
-- 
FFmpeg = Freak and Foolish Mythic Perennial Exploitable Guru