[FFmpeg-devel] h263 - svq3 optimizations

Panagiotis Issaris takis.issaris
Tue Mar 17 14:49:27 CET 2009


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.


With friendly regards,
Takis




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