[MPlayer-users] Change Aspect Ratio
Eduard Hein
ehein at TechFak.Uni-Bielefeld.DE
Wed Dec 11 20:30:03 CET 2002
Hi,
On Wed, Dec 11, 2002 at 12:48:26PM -0300, "Germán G. Estévez" wrote:
> Thank you to all for the answers and for the jokes. You are right,
> is not sense to change the aspect ratio from 16:9 to 4:3 without cut the
> borders, but how make the television versions 4:3 of widescreen movies,
> I believe that versions are not cutted, perhaps I am mistaken, perhaps I
> imagene that.
> The conclusion from that you say is that the version of widescreen
> movies that broadcast in TV are cutted ?.
I think what you are looking for is the filter -vop expand=nwidth:nheight:x:y
where nwidth is the width of your 16:9-movie, nheigth=nwidth*3/4 and x=0. y
should be (heigth-nheight)/2.
To encode a 640x390-Movie:
mencoder 16-9.avi -o 4-3.avi -oac copy -ovc lavc \
-lavcopts vcodec=mpeg4 -vop expand=640:480:0:45
Cya, Ed
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