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

Carl Eugen Hoyos cehoyos
Wed Oct 10 22:09:11 CEST 2007

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?

Thank you, Carl Eugen

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