[Mplayer-cvslog] CVS: main/drivers/radeon README,1.14,1.15

[Nick Kurshev]

Hello, Arpi!

On Wed, 2 Jan 2002 13:36:50 +0200 (CEST) you wrote:

> Hi,
> 
> >  hue=decval                 (-1000:+1000) -1000 == +1000 (full circle)
> >                             all other values are within this range
> >  Note: 0 is default value for every parameter on radeons
> > +WARNING: If you are non-x86 user then color correction will be
> > +unavailable for you due kernel limitation. Please port MATH stuff
> > +on your system or please send me more universal solution.
> 
> what about decreasing hue range to -100..+100, and using sin/cos lookup
> table?
We'll lose precision.
> as cos(x) = sin((x+pi/2) mod 2*pi), single combined table is enough.
> 
IMHO it would be better to use generic version of sin and cos from glibc
for non-x86 system. But it will be equal to import lite version of libm into
kernel.
> 
> A'rpi / Astral & ESP-team
> 
> --
> mailto:arpi at thot.banki.hu
> http://esp-team.scene.hu
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> 


Best regards! Nick