18 Apr
2006
18 Apr
'06
11:55 p.m.
On Tue, 18 Apr 2006, Patrick Pagano wrote:
...another thing to note is that no matter what you use, you will get better performance if your movies have dimensions that are multiples of 16, like 320x240, 640x480, 336x224, etc...this will ensure the altivec path, and generally makes the cpu and memory managers much happier...
I think that this only applies to bytes/row, so the height may be anything, and then, there are special exemptions for width: for YUV422 it has to be multiple of 8 and for RGBA it has to be multiple of 4.
_ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju | Freelance Digital Arts Engineer, Montréal QC Canada