[FFmpeg-devel] Scale, Rotate, Translate Matrix Op.

[Michael Niedermayer]

On Fri, Jun 10, 2011 at 11:18:35AM -0700, Joshua Grauman wrote:
> Hello all,
>
> I've been looking for a way to do a matrix operation of Scale, Rotate, 
> and Translate on a video (and then a crop). Each video only needs a 
> single set of parameters (it is to correct for a slight rotational error 
> a few degrees). Is there a video filter already written to do this? I 
> couldn't find anything after much searching... Thanks!

we have a perspective correction filter
libavfilter/libmpcodecs/vf_perspective.c

Its maybe documented in mplayer/mencoder docs.

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

You can kill me, but you cannot change the truth.
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