[XviD-devel] PATCH: Per slices rendering

[Alban Bedel]

Hi Christoph Lampert,

on Sun, 7 Jul 2002 20:07:28 +0200 (CEST) you wrote:

> On Sun, 7 Jul 2002, Alban Bedel wrote:
> 
> > Hi Christoph Lampert,
> > 
> > on Sun, 7 Jul 2002 18:48:41 +0200 (CEST) you wrote:
> > 
> > > On Sun, 7 Jul 2002, Alban Bedel wrote:
> > > 
> > > > 
> > > > Hi all,
> > > > 
> > > > I'm working on MPlayer and recently found that your decoder was now as fast as
> > > > libavcodec (even faster in some case). So I wanted to add somekind of direct
> > > > rendering in xvid. I implemented what we call "slices" rendering wich alredy give
> > > > a little speedup. Comments are welcome.
> > > 
> > > Are you sure there is a real difference to XVID_CSP_USER format which was
> > > inspired by Mplayer, too? Both seem to simply return the pointers to
> > > internal buffer instead of copying mem.
> > 
> > With XVID_CSP_USER you can access the internal buffer of xvid. Then you need to
> > copy it to video memory. In this version xvid only copy the modified MB to a
> > buffer provided by the host app (ussally in video memory) thus avoiding a few
> > unneded copy. And as the copy append during the decoding the data might be
> > copied from the L2 cache wich give more speedup. A few benchmaks :
> 
> I see. That looks fine. Does Mplayer has to be modified to support this
> version of XviD, too? Or is this in Mplayers CVS already?

It's not in cvs as i don't want to add it while the requiered change are not in xvid cvs.
So as soon as i'm allowed to commit this (or something similar) MPlayer will support
it.
	Albeu