[MPlayer-users] MEncoder not able to crop a video when reincoding

[Dominik 'Rathann' Mierzejewski]

On Tuesday, 10 August 2004 at 11:14, Thomas Kempkes wrote:
> Hi there,
> 
> I habe a problem with mencoder. I can't use the crop function to crop
> some ugly black borders.
> I used the latest cvs version from this morning. I did:
[...] 
> gdb /usr/local/bin/mencoder
[...]
> (gdb) run Solaris_2003_CD1.mpg -ovc lavc -lavcopts vcodec=mpeg4 -vf
> crop=0:479:99:375 -oac copy -o sol1.avi
> Starting program: /usr/local/bin/mencoder Solaris_2003_CD1.mpg -ovc
> lavc -lavcopts vcodec=mpeg4 -vf crop=0:479:99:375 -oac copy -o sol1.avi
[...]
> Opening video filter: [crop w=0 h=479 x=99 y=375]
> Crop: 0 x 479, 99 ; 375
[...]
> crop: bad position/width/height - cropped area is out of the original!
[...] 

You are using invalid crop parameters. You are trying to crop out
an area of 0x479 pixels, starting at pixel x=99,y=375. RTFM.

R.

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