On date Monday 2008-12-08 16:33:44 +0000, slippyr4 encoded:
> Hi All,
> 
> I know swscale can change colour space and scale a frame. As well as that, I
> need to be able to flip and mirror frames, and, in some case i need to be
> able to take a sub-rectangle out of a frame and scale that into a new frame.
> 
> 
> Are these requirements possible with swscale? If not, are there other API's
> in ffmpeg that can help? or do i need to look elsewhere?

libavfilter is meant to address such requirements and beyond. It is
still quite far from being fully included in FFmpeg, but you can give
it a try.

Regards.
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