[MPlayer-users] Segfault in mencoder when using -vop scale..

Andreas Lange andreas.lange at chemie.uni-regensburg.de
Fri Sep 12 12:49:27 CEST 2003

Jim Hatfield wrote:

>[Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
>After reading all the mencoder docs I can find, I'm having
>a go at converting a DVD to DivX using the three-pass 
>encoding referred to in encoding-tips.html.
>mplayer -vop cropdetect suggests "crop=720:432:0:72". If I
>use that with no scaling then I get a successful encode
>but the aspect ratio is wrong since it's a 16:9 DVD.
>If I add "scale=720:304" then mencoder prints:
>crop: bad position/width/height - cropped area is out of the original!
>then it segfaults.
Are you sure you did the crop and scale in the right order, i.e. you didn't
downscale and then attempt to crop?

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