Re: [Gumstix-users] ffmpeg codecs (was gcc perfomance optimization)

[Craig H. <cr...@gu...>]

On Oct 9, 2007, at 2:54 PM, eldridge wrote:

> 1) Color space conversion

> Not much you can do about 1) unless using optimised code, and/or  
> ensuring
> that you are using platform specific optimizations (fast memory  
> regions,
> assembly/intrinsics).

iirc the PXA270 has some built-in hardware colorspace conversion  
stuff.  I can't find the reference for that now though.  It could  
also be that it's just for converting YCrCb input from the QIF to RGB  
on the LCD outputs, and not for converting in RAM.

C