[MPlayer-users] RFC: docs update for "how to create a high quality DVD rip"
Matthias Wieser
matthias-wieser at t-online.de
Thu Jun 10 15:37:39 CEST 2004
Mick wrote:
> audio
> mencoder -ovc frameno -oac mp3lame -lameopts cbr:br=128.0 -o
-lameopts preset=128 (average bitrate of 128kbit/s + preset for high
quality) should give much better quality but it needs a bit more cpu
time.
> vpass1
> mencoder -oac copy -ovc lavc -lavcopts
> vcodec=mpeg4:vhq:vqmin=2:v4mv:trell:autoaspect:vbitrate=948:vpass=1 -vf
> crop=672:560:24:0,scale=464:384 -o /dev/null -sws 2 -dvd-device
crop=672:560:24:0,scale=464:384:::35 -o /dev/null -sws 6 -dvd-device
-sws 6 is faster and better to compress but visually as good as -sws 2.
Scale=464:384:::35 does a little less sharpening than the default (not
visible) which improves compressibility. Both options should improve
quality at a given bitrate or reduce bitrate at given quality.
Matthias
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