[MEncoder-users] Problems with output file size

[Drew Burchett]

I am using mencoder to convert a group of AVIs into MPG format suitable
for burning onto DVD.  To accomplish this, I am using the following
command line:

mencoder -channels 6 -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd
-vf scale=720:480,harddup -srate 48000 -af lavcresample=48000 -lavcopts
vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:vstri
ct=0:keyint=15:acodec=ac3:abitrate=384:aspect=4/3 -ofps 30000/1001
"$inputFile" -o "$outputFile"

The problem is that the resulting file is huge.  Two one-hour shows will
completely fill a normal sized DVD.  When I run the same file through
AVIDemux, the output is much smaller with no noticeable drop in quality.
However, I don't know what parameters AVIDemux is changing.  Could
anyone tell me what to adjust in the above command line to considerably
reduce my output file size?

Thanks,

Drew Burchett
United Systems & Software
Ph:    (270)527-3293
Fax:  (270)527-3132



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