[MPlayer-dev-eng] MS-ADPCM/Stereo Works

Nick Kurshev nickols_k at mail.ru
Sat Dec 29 17:59:06 CET 2001


Hello, Michael!

On Fri, 28 Dec 2001 19:27:21 +0100 you wrote:

> Hi
> 
> On Friday 28 December 2001 17:42, Arpi wrote:
> [...]
> > > ok i ported some of the 3dnow code, the equinvalent c code from libac3
> > > too which does work but compare says the difference is larger than +/- 1
> > > the C code is allso 2% faster than the current C code in liba52
> > > do u want a patch or should i commit it?
> >
> > i prefer a patch first, for testing. is it mmx or 3dnow ?
> > if we want pre2 today, we shouldn't commit new untested code now :(
> [...]
> ok, its attached
> 
> someone with a 3dnow compatible cpu ... please try if it works
> runtime cpu detection is sligtly broken with this because of the HAVE_3DNOWEX 
> stuff in there to fix this we could
> 1.
> #ifdef RUNTIME_CPUDETECT
> undef HAVE_3DNOWEX
> #endif
> 2.
> imdct_template.c
> 3.
> do a lot of ugly copy & paste ...
> 
> i think 1. is best ...
> 
> Michael
This patch doesn't work - it produces only noise in both modes with 3dnowex and without it.
As I sayd - I'll do it later so don't be quick please.

Best regards! Nick



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