[MPlayer-dev-eng] optimized colorspace for ALTIVEC enabled platforms
mmh at pleasantst.com
Tue Mar 9 06:21:21 CET 2004
On Mar 9, 2004, at 12:06 AM, D Richard Felker III wrote:
> On Mon, Mar 08, 2004 at 10:21:55PM -0500, Marc Hoffman wrote:
>> I would like to submit my patch for postproc.
>> marc.hoffman at analog.com March 8, 2004
>> Altivec Acceleration for Color Space Conversion revision 0.1
>> convert I420 YV12 to RGB in various formats,
>> it rejects images that are not in 420 formats
>> it rejects images that don't have widths of multiples of 16
>> it rejects images that don't have heights of multiples of 2
>> reject defers to C simulation codes.
> It shouldn't reject the whole image. Instead just convert the largest
> region it can (simple by playing around with width/height/stride) and
> then call the C version to process the small strips that remain.
> MPlayer-dev-eng mailing list
> MPlayer-dev-eng at mplayerhq.hu
Ok I will work on the next version. I'm thinking i can just pad the
last block threw the loop and use the same code filling the vector
register with zeros. I will spend sometime on this.
Can you put this under CVS while I work out the loose ends?
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