[MPlayer-users] Re: tool to test cropping

[Jason Lunz]

rrw at hell.pl said:
> All I need is to open a video file, show one frame[1] of it and be able
> to test resize and crop parameters on it while seeing the whole picture
> resized, and crop bounds at the same time. Ability to retain aspect
> ratio while resizing would be additional benefit, but is not necessary.

Try transcode with the preview filter.

Jason