[MPlayer-users] Re: Resizing video frame with mplayer for SVCD
ranma at gmx.at
Mon Jan 19 13:55:23 CET 2004
romildo at uber.com.br wrote:
> > I can reproduce your problem with "-vf expand=:600,scale=480:480",
> > however it works if you use "-vf expand=:600,scale,scale=480:480".
> What does it mean to put 'scale' twice in the command line?
> If the filter is really run twice with that, there would be
> some implications, like speed and quality degradation?
Speed is decreased a bit because each frame is copied one time more for
each scale. scale without parameters means no size change of course, but
the copy fixes the problem and sometimes scale is also needed for
Tobias PGP: http://9ac7e0bc.2ya.com
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