[MPlayer-dev-eng] ALTIVEC accelerated YUV2RGB

Nicolas Plourde nicolas.plourde at sympatico.ca
Mon Mar 15 16:33:01 CET 2004


Romain Dolbeau wrote:

> Marc Hoffman wrote:
>
>> I hope that this meets more of the needs of this group.
>>
>> I still kick out and defer to C codes to handle the border cases img 
>> sizes not multiples of 16.  I will work on that next weekend.
>
>
> I have a problem. I tried your patch w/ the experimental
> vo_quartz that was posted a while ago, and I see a
> distinctive yellow tint on the entire picture. Something
> is definitely wrong here (w/o you patch, the movie displays
> just fine).
>
> w/o the patch:
> #####
> No accelerated colorspace conversion found
> SwScaler: using unscaled Planar YV12 -> RGB 32-bit special converter
> #####
>
> w/ the patch:
> #####
> ALTIVEC: Color Space RGB32
> SwScaler: using unscaled Planar YV12 -> RGB 32-bit special converter
> #####
>
> So I guess it does pick up your functions...
>
Any good speed improvement with this patch using vo_quartz?
Is it faster over qt framework color space conversion, because it
what i was planning to us?. I will probably send an update to my
patch soon also with some speed improvement.

---
Nicolas Plourde




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