[MPlayer-users] deinterlace+horiz scale

D Richard Felker III dalias at aerifal.cx
Sun Jun 6 23:36:32 CEST 2004

On Sun, Jun 06, 2004 at 12:19:34AM +0400, Mikhail Ramendik wrote:
> D Richard Felker III wrote:
> > > I was trying out "-vf field" a while back, and I found something
> > > strange.  It seems the quality is much better if I just use scale to
> > > halve the vertical resolution, rather than using field.  -vf field
> > > resulted in stair-stepping lines, and just an all-around much lower
> > > quality picture, while halving the resolution with scale produced a
> > > picture that looked very nearly as good as full-res.
> > 
> > And it also has ghosts whenever there was motion!! VERY VERY BAD!!
> > (Same thing as pp=lb :) 
> What ghosts? -vf field, or scale to half resolution?

Scale of course. There's no way field can do any such thing since it
doesn't alter the picture.


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