[MPlayer-users] Change Aspect Ratio

[D Richard Felker III]

On Wed, Dec 11, 2002 at 07:57:03PM +0100, Eduard Hein wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> 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.

Forget x and y, they'll be computed automagically by mplayer. You only
need them if you want to do something special like only adding black
at the bottom (for subtitle space).

Rich