[MPlayer-dev-eng] awk...

Alex Beregszaszi alex at naxine.org
Sun Jan 13 15:06:36 CET 2002


Hi,

On Sun, Jan 13, 2002 at 02:34:30PM +0100, Michael Niedermayer wrote:
> Hi
> 
> On Sunday 13 January 2002 10:29, Nick Kurshev wrote:
> [...]
> > > Btw, do you plan to work on liba52 3dnow stuff, or not?
> >
> > AFAIK, Michael have imported or optimized stuff from libac3 to liba52 - or
> > I'm wrong?
> yes
> but 
> 1. 3dnowex is not used with runtime cpu detection (imho its not worth the 
> mess it would create ...)
> 2. downmix.c is SSE only at the moment, but it should be pretty easy to 
> optimize in 3dnow it contains only simple functions like:

Could you optimize it for MMX too? Please! ;)

> static void mix2to1 (sample_t * dest, sample_t * src, sample_t bias)
> {
>     int i;
> 
>     for (i = 0; i < 256; i++)
> 	dest[i] += src[i] + bias;
> }
> 
> [...]
> 
> Michael
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--
alex



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