mencoder and mpeg4/xvid encoding on winxp

mencoder and mplayer compiles for win can be found here:
http://oss.netfarm.it/mplayer-win32.php

2 pass xvid:
mencoder promo_iam.avi -o NUL: -nosound -vf scale=512:384,harddup -sws 9 -ovc xvid -xvidencopts bitrate=500:pass=1
mencoder promo_iam.avi -o promompeg4pass2_v2.avi -oac mp3lame -lameopts cbr:br=128 -vf scale=512:384,harddup -sws 9 -ovc xvid -xvidencopts bitrate=500:pass=2

Note that harddup will force to write all, even duplicated frames. NUL: is windows null device, on linux you could use /dev/null.

last update 14.nov.05

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