[FFmpeg-devel] [PATCH] RV30 loop filter

Kostya kostya.shishkov
Sun Dec 14 17:14:08 CET 2008


On Sun, Dec 14, 2008 at 03:09:12PM +0100, Michael Niedermayer wrote:
> On Sun, Dec 14, 2008 at 01:48:03PM +0200, Kostya wrote:
> > On Sat, Dec 13, 2008 at 10:23:50PM +0100, Michael Niedermayer wrote:
> > > On Sat, Dec 13, 2008 at 01:19:08PM +0200, Kostya wrote:
> > > > $subj
> > > 
> > [actual filter skipped]
> > > 
> > > the code is not bitexact yet?
> > 
> > Not yet:
> > * Luma MC is not bitexact because of rounding issues (i.e. you can't replace
> >   filtering with separate vertical and horizontal passes).
> >  See JVT document Q15-J-08 for details.
> > * P-frame filter invoking is still a bit wrong, but the edges chosen for
> >  filtering are filtered correctly.
> > * Motion vector prediction in B-frames is not correct.
> 
> i think you should make things bitexact ...

Yes, I also think so. I have working but a bit unelegant solution for #1,
#2 and #3 are in progress.
 
> [...]
> -- 
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB




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