[MEncoder-users] Cannot achieve better picture quality with MPEG2 - help needed

[RC]

On Fri, 23 May 2008 13:38:35 -0400
Nicolas Hesler <nicolas.hesler at sheridanc.on.ca> wrote:

> Here is the command line (pass 1 of 2 passes) I used for the above
> example:
> 
> mencoder -sws 9 -oac lavc -ovc lavc -of mpeg -mpegopts 
> format=mpeg2:muxrate=10080:tsaf:telecine
> -vf scale=720:480,harddup -srate 48000 -af lavcresample=48000:0:2 
> -lavcopts 
> vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=7000:vbitrate=6000:tr
> ell:
> mbd=2:preme=2:dia=4:predia=4:precmp=2:cmp=2:subcmp=2:cbp:mv0:acodec=a
> c3:
> abitrate=224:keyint=12:vpass=1:autoaspect:lmin=0.01:dc=10:vstrict=0 
> -ofps 24000/1001 input -o output

Don't use encoding options you don't (at least basically) understand...

*cmp=2, mv0, and possibly dc=10 are the likely cause of your problems.