On Sat, 7 Jul 2007 03:18:19 +0300 Jan Knutar <jknutar at nic.fi> wrote: > Do any of the *_mask make any sense for mpeg1/2 anyway? A side-by-side comparison says "yes", scplx does appear to have the desired effect on mpeg2 video. With the lavc codecs having much of their code (and ratecontrol) in common, I wouldn't have suspected otherwise.