[MPlayer-dev-eng] [PATCH] Pan&Scan for Xvideo (again :)
Arpi
arpi at thot.banki.hu
Tue Jun 4 14:50:40 CEST 2002
Hi,
> > 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
real. it would be a kickass feature :)
> information?
not yet, but should be easy to add, at least for libavcodec.
and i have the feeling that Michael is already thinking about the
implementation :)
A'rpi / Astral & ESP-team
--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu
More information about the MPlayer-dev-eng
mailing list