[PD] pix_freeframe

[Yves Degoyon]

Mathieu Bouchard wrote:

> On Wed, 30 Aug 2006, Yves Degoyon wrote:
>
>> Johannes wrote:
>>
>>> since Gem's native colorspace is RGBA (except for osx), 
>>> freeframe-effects (only RGB(A)) should perform better on Gem than on 
>>> pdp (which is YUV), though i have never done any benchmarks.
>>
>> yes, but as RGB(A) is twice heavier than YUV, you don't prove 
>> anything with this remark, all depends of the patch.
>
>
> I think that what Johannes wants to say, is that FreeFrame is RGBA, 
> and that if the colorspace you are using is not RGBA, you will have to 
> convert to RGBA and back to your colorspace, and that if there's not a 
> RGBA image format, you won't be able to eliminate the unnecessary 
> conversions between FreeFrame objects directly connected together.
>
i perfectly know what he means,
but as most quicktime movies are in YUV mode,
and most cameras output YUV,
you cannot avoid some kind of conversion somewhere.

ademas, there is a RGBA format in pdp,
and pdp_xv doesn't need any conversion to output frames.

pues, piensalo,

ciao,
sevy