[FFmpeg-devel] [PATCH] Implement PAFF in H.264

Michael Niedermayer michaelni
Fri Oct 12 02:32:48 CEST 2007

On Wed, Oct 10, 2007 at 08:09:11PM +0000, Carl Eugen Hoyos wrote:
> Martin Zlomek <martin.zlomek <at> email.cz> writes:
> > > The attached patch fixes chroma motion vectors as specified
> > > in the h.264 spec in section " Derivation process
> > > for chroma motion vectors", table "Table 8-10 ? Derivation
> > > of the vertical component of the chroma vector in field
> > > coding mode".
> > Previous patch (paff.5.patch) should be replaced be the attached one.
> > I am not sure if 'emu' flag is updated correctly, but if it is
> > correct in surrounding code, it is correct in this patch as well.
> > If anyone (e.g. svn user lorenm) deeply understands edge emulation,
> > please check this patch.
> This patch fixes smearing issues in several files I tested.
> Michael, could you comment?

yes, why does the original code not work?

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
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