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

Aurelien Jacobs aurel
Sun Jan 20 03:02:24 CET 2008


On Sun, 20 Jan 2008 01:10:24 +0100
Michael Niedermayer <michaelni at gmx.at> wrote:

> 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

So as I suggested, that's a really good candidate for the Multimedia
Mirror. You should send it Mike.

Aurel




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