[MPlayer-dev-eng] [PATCH] Pan&Scan for Xvideo (again :)
D Richard Felker III
dalias at aerifal.cx
Tue Jun 4 12:25:08 CEST 2002
On Tue, Jun 04, 2002 at 12:03:33PM +0200, Arpi wrote:
> > the vertical "crop" setup may be set on the commandline,
> > regarding the constant cinemascope type .. 16:9 ..
> > then .. it would be funny to record the result,
> > or just the panscan interaction,
> > while "editing" the scan regions ;-)
> i had better idea yesterday:
> do a 2-pass playback. at pass 1, use a special filter which
> detects action and calculates the ideal panning value (which
> part of the 16:9 picture should be cropped down) and write
> it to a file. at the 2nd pass, do some bspline/bezier
> smoothing of the panning values and use it for the playback
> action detection could be done on dct & mc based.
> if the MV of neightbour macroblocks differs a lot
> (if all MV are similar, then it's just camera panning),
> or the dct coeffs are high, then there is something happening.
Haha, is this a joke or for real? Do the codecs export necessary
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