[GEM-dev] [pix_video]: issue with swapped colors

Mathieu Bouchard matju at artengine.ca
Thu May 10 18:39:31 CEST 2007


On Thu, 10 May 2007, Mathieu Bouchard wrote:
> On Thu, 10 May 2007, IOhannes m zmoelnig wrote:
>> i do not doubt this; however it seems like i have some fundamental
>> misunderstanding on the colorspace-definitions since i cannot get it right.
> Perhaps, but I don't have enough info to help further.

Actually, the problem is that fromYUV420P() is defined to be an alias for 
fromYV12(), when it should have been fromYU12(), because YV12 is another 
way to say YVU420P... Y,V,U, in that order.

see also http://v4l2spec.bytesex.org/spec/r3453.htm

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