[MEncoder-users] A/V out of synchron

TAJTHY Tamás tajthy at mailbox.hu
Wed Dec 5 23:41:38 CET 2007


yesterday I found a weird problem. I use mencoder under cygwin. I grab films with 
VirtualDub. The avi file has the video encoded to ffmjpeg, and audio to PCM. I 
played it with mplayer and the audio and video seems to be in synchron.

After that I encoded it to mpeg-4 in two passes using these commands:

mencoder.exe -oac copy -ovc lavc -lavcopts vcodec=mpeg4:\
vpass=1 -vf pp=lb,pp7,pullup,softskip,crop=704:560:8:8,hqdn3d=2:1:2,harddup \
-passlogfile 'film.pass' -aspect 4/3 -o nul 'film.avi'

mencoder.exe -oac mp3lame -lameopts vbr=3:mode=1 -ovc lavc -lavcopts \
aglobal=3:vpass=2 \
-vf pp=lb,pp7,pullup,softskip,crop=704:560:8:8,hqdn3d=2:1:2,harddup \
-forceidx -passlogfile 'film.pass' -aspect 4/3 \
-o 'film_new.avi' 'film.avi'

The audio and video get unsynched. I even tried with the "-mc 0 -noskip", but the 
result is the same.

I converted a lot of other films the same way got from the same source. How could 
this happen just with this film??? Could anyone help me find out what do I wrong?

Thanks in advance!
Rövid angol nyelvlecke következik.
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