[FFmpeg-devel] [PATCH] MMX implementation of VC-1 inverse transforms

Michael Niedermayer michaelni
Sun Jan 20 01:10:24 CET 2008


On Sun, Jan 20, 2008 at 12:00:23AM +0100, Aurelien Jacobs wrote:
> On Sat, 19 Jan 2008 14:34:04 +0100
> Michael Niedermayer <michaelni at gmx.at> wrote:
> 
> > On Sat, Jan 19, 2008 at 01:38:52PM +0100, Christophe GISQUET wrote:
> > 
> > > I don't have the specs, and if you didn't guess them, I'd be interested
> > > in them, because the dst>>7 in the 2nd stage seemed to need to be in
> > > -127..128.
> > 
> > i just have a draft (s421m.pdf) freely downloaded from smpte.org a while ago,
> > iam not sure though if its still freely available  ...
> 
> It's probably a good candidate for the Multimedia Mirror:
> http://wiki.multimedia.cx/index.php?title=Mirrored_Files
> 
> Anyway, there you can find another VC1 draft (or is it the same ?):
> C24.008-VC9-Spec-CD1.pdf

date:2004-03-31

s421m.pdf date:2005-08-23

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

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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