[MEncoder-users] Encoding HDTV files -- mplayer OK, mencoder loses sync

Nico Sabbi nsabbi at tiscali.it
Tue Apr 12 08:59:40 CEST 2005

David Shay wrote:

>I am having a trouble encoding HDTV files down to lower-resolution and
>bitrate MPEG2 files for playing on an A/V appliance (Hauppauge
>MediaMVP), although the issue is apparent even when playing through
>mplayer itself.
>Anyway, mplayer plays the files perfectly without any loss of AV sync,
>on both Unix and Windows machines.  When using mencoder, however, it
>loses sync, even with a very simple command:
>mencoder -oac mp3lame -ovc lavc -lavcopts
>vcodec=mpeg2video:vbitrate=4000 -ofps 30000/1001 -vf
>scale=640:360,expand=0:-120 -of mpeg $INFILE -o $OUTFILE

vbr mp3 is not yet supported (I figured ony recently how to handle it), 
so add :cbr to -lameopts, please

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