[MPlayer-users] mencoder creating distorted video with -ovc copy
ugly at inhuman.org
Fri May 31 00:20:20 CEST 2002
I created an avi with mencoder like so:
mencoder -dvd 1 -lameopts br=192:cbr -lavcopts vcodec=mpeg4:vbitrate=2000:vhq:keyint=250:vpass=1 -o title.avi
mencoder -dvd 1 -lameopts br=192:cbr -lavcopts vcodec=mpeg4:vbitrate=2000:vhq:keyint=250:vpass=2 -o title.avi
then I tried to split it with -ovc / -oac copy at specified times:
mencoder -ovc copy -oac copy -ss 0:50:00 -o title2.avi title.avi
However, the file generated by the above command has distorted video (audio is fine) for the first couple of seconds, then the video restores to normal. Video looks blocky in the first few seconds. NOTE: The original file does _not_ have that problem, it's purely in the copied file using the -ss switch.
using MEncoder CVS-020526-00:00-2.95.4 on Debian GNU/Linux (woody), kernel 2.4.19pre1
I will provide other information if needed.
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