[MPlayer-users] blocky gradients

[Aaron Peterson]

> encoding with lavc mpeg4 is turning out really well for me now, for the
> most part.  everywhere there is motion especially, mencoder is doing a
> really good job.  however, where there are gradients that don't move much
> (like in the background of a scene) these gradients show lines and blocks
> that are unattractive.  I was wondering if there was a filter or process
> that improves this type of problem (and hopefully doesn't hurt the quality
> of the other parts of the scene)?

just for reference, the command line I'm using is as follows:

rm divx2pass.log

mencoder dvd:// -dvd-device /dev/acd0c -aid 128 -chapter 18-33 -ovc lavc
-lavcopts vcodec=mpeg4:trell:mbd=2:vbitrate=1200:vpass=1 -oac mp3lame
-lameopts cbr:br=160 -ofps 23.976 -sws 2 -vf scale=720:400 -o /dev/null

mencoder dvd:// -dvd-device /dev/acd0c -aid 128 -chapter 18-33 -ovc lavc
-lavcopts vcodec=mpeg4:trell:mbd=2:vbitrate=1200:vpass=2 -oac mp3lame
-lameopts cbr:br=160 -ofps 23.976 -sws 2 -vf scale=720:400 -o movie.avi