[Ffmpeg-devel] [RFC] RGB48 support

[Ivo]

Hi,

I started working on RGB48 support (i.e. RGB with 16-bits per component). 
Before I go any further, I would like to know if I am on the right track 
with the changes I made. Did I forget something important?

A few notes/questions:
* If my current approach is right, I will add all (now) missing rgb<n>to48 
and vice versa so the rgb2Wrapper will always work.
* The changes I made to imgconvert are necessary because ffmpeg (indirectly) 
relies on several avpicture_* functions.
* I noticed that if I disable swscaler and feed rgb48 data to imgconvert, 
ffmpeg goes mental (enormous amounts of swapping/trashing). How can I avoid 
that without implementing converters for imgconvert?
* Currently, swscaler warns about yuv2rgb not supporting 48bpp even if I 
convert from rgb to rgb. I suppose adding yuv2rgb48 (and possible vice 
versa) will resolve that.

Any comments?

--Ivo
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