[MPlayer-users] Is more than 3 pass really beneficial or am I just paranoid about quality?
comes at naic.edu
Wed Apr 20 17:25:44 CEST 2005
On Wed, Apr 20, 2005 at 05:12:20PM +0200, Nico Sabbi wrote:
> VJ wrote:
> >Thanks Nico. It means I am just burning my PC's precisous T-cycles. Is
> >what you said for 3 passes applicable to 4-6 passes too?
> >Regards from
> obiously yes, but I'll repeat: AFAIK
My experience is that for mpeg1 and mpeg2
You need only 1 pass.
I use 3 different set of libavcodec options
and the PSNR of 2 pass encoding is always worst than 1 pass.
For 3 pass, with some options, 3 pass is better than 1 pass.
The story is different for mpeg4. Usually
2 pass is bettern than 1 pass
and 3 pass is better than 2 pass.
4 pass is not that much different from 3 pass.
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