[MPlayer-users] reducing pixelation in high movement video.

[RC]

On Mon, 16 Oct 2006 19:20:16 +1000
steven <steven at heimann.com.au> wrote:

> For the first (DVD) I used the following (based on guidelines from
> mplayer manual.
> 
> mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd -vf
> scale=720:576,harddup -srate 48000 -af lavcresample=48000 \
> -ofps $FPS -o $OF $IF \
> -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:
> vbitrate=8000:keyint=15:trell:mbd=2:precmp=2:subcmp=2:cmp=2:
> dia=-10:predia=-10:cbp:mv0:vqmin=1:lmin=1:dc=10
> 
> Even with this high bitrate I get a lot of pixelation.  

SATD (*cmp=2) MAKES the video blocky.  Try the default (*cmp=0) or DCT
(*cmp=3), and it will look FAR better.

To a lesser extent, the same goes for the "cbp" and "mv0" options.

When in doubt, start with the defaults and add one lavc option at a
time.