[MPlayer-users] qscale, 2-pass, and PSNR

[Martin Collins]

On Thu, 03 Jun 2004 17:39:49 -0400
Jason Tackaberry <tack at sault.org> wrote:

>   mencoder dvd://1 -oac copy -vf
>   pullup,softskip,crop=720:350:0:68,hqdn3d=2:1:2 -ofps 23.976 -ovc
>   lavc -lavcopts
>   vcodec=mpeg4:vqscale=3:v4mv:mbd=2:trell:mv0:autoaspect:psnr -o

An observation: 350 is not divisible by 16, you are probably wasting
some bits there.
A question: what were the min, max and average quantisers in the 2-pass
run?

Martin