[FFmpeg-devel] [PATCH] swscale/yuv2rgb: Increase YUV2RGB table headroom
michael at niedermayer.cc
Thu Jan 14 09:41:43 CET 2016
On Thu, Jan 14, 2016 at 08:58:20AM +0100, Christophe Gisquet wrote:
> > -#define YUVRGB_TABLE_HEADROOM 256
> > +#define YUVRGB_TABLE_HEADROOM 512
> > - const int yoffs = fullRange ? 384 : 326;
> > + const int yoffs = fullRange ? 896 : 838;
> I think it's time to use that macro everywhere it is actually used without
> showing up.
there are 2 seperate tables, the headroom in them also differs
curently, also the exact relation between input values and headroom
needed in the 2nd table depends on the yuv-rgb coefficients
i can replace the 2nd tables numbers by a define if people want ?
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Those who are too smart to engage in politics are punished by being
governed by those who are dumber. -- Plato
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