[MPlayer-users] LAVC-MPEG4 vs DIVX4 vs XVID??

[Matthias Wieser]

Am Mittwoch, 22. Oktober 2003 16:27 schrieb Tuukka Toivonen:

> >PSNR does not correlate with subjective quality quite well. For
> > example For example, see
> > http://www.heise.de/ct/03/10/146/images/sarnoff.jpg
>
> At low bit-rates the difference between PSNR and subjective quality
> is higher, at high bit rates it's not that important.

Why?

> >maybe it increases visual quality of his video file. You suggest
> >predia=1:dia=1, but according to
> > http://fatooh.org/remitests/part2.html predia and dia most times
> > decrease video quality. And so on.
>
> Actually, that link agrees with my results, because predia=1:dia=1 is
> the default and therefore corresponds to the ":" case.

Didn't see that. Thought your given command line options where not 
defaults.