[FFmpeg-devel] [PATCH] Use larger tables for yuv > 8 bit to RGB conversion.

Michael Niedermayer michaelni at gmx.at
Sat Nov 9 19:14:35 CET 2013


On Sat, Nov 09, 2013 at 04:20:02PM +0100, Reimar Döffinger wrote:
> This should allow for fairly precise YUV16 to RGB48 conversion
> for example.
> However I believe that this specific implementation is not as accurate
> as it could/should be, i.e. it is buggy.

also t fails fate:
fate-qtrle-16bit
Floating point exception (core dumped)


> Also the context gets fairly large this way, so I am not sure if
> this is better than the previous shift-based approach.

yes
is support in yuv2rgb for >10 bit needed at all? that is is it common
enough to optimize for it ?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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