[MPlayer-users] Questions about Cropping

[martin pavon]

 --- Geoffrey Trexler <skynet at charter.net> escribió: > [Automatic answer:
> fullscreen I would like it to retain it's aspect. So in other words at
> fullscreen the letterboxing should be there, but in window mode it
> should be cropped out. Does anyone know the correct values for me to put
> into crop?
> 
> I can do this using Avidemux, but I have to completely re-encode the
> .avi all over again. I'm trying to avoid this step. Also since I have no
> idea of what crop=w:h:x:y means, maybe could someone explain this to me?
> 

i) Run
mencoder -ovc lavc -lavcopt vcodec=mpeg4 -nosound -vop cropdetect \
-o /dev/null yours_vobs.vob

in your vob files a few seconds and ctrl-C.

 You get something like this:

crop area: X: 0..719  Y: 22..451  (-vop crop=720:430:0:22).000 [0:0]

You want -vop crop=720:430:0:22

This read as follows: