On Wed, Feb 19, 2003 at 10:02:49PM -0500, D Richard Felker III wrote: > reencode first (although playback will be sort of choppy still since > every 4th frame will be shown for twice as long). Why? I know the transcode ivtc filter generates a duplicate frame (which can be tossed out in a 2nd pass). Is this the same issue? b.c.