[FFmpeg-devel] [PATCH] swscale/yuv2rgb: Increase YUV2RGB table headroom

[Michael Niedermayer]

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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