[MPlayer-users] deinterlace+horiz scale

[D Richard Felker III]

On Sat, Jun 05, 2004 at 09:31:14PM -0700, rcooley wrote:
> On Sun, 06 Jun 2004 00:19:34 +0400
> Mikhail Ramendik <mr at ramendik.ru> wrote:
> 
> > 
> > As far as I can uncerstand, -vf field should not ghost. (Nor does it,
> > in my experience).
> 
> No, but it significantly lowers the quality of the video...  Basically
> like using -vf pp=fd on full-height interlaced material.

Actually no, pp=fd is a lot more like scaling. It also creates a
ghost. It's the most brain damaged of all the deinterlacers, and
coincidentally also the one recommended in the mpeg specs. :(

> -vf scale, on the other hand, will produce a much higher quality
> picture (about 2X as good), but has the down-side of a little blur.

Not blur, ghost. Very different. (Ghost = blurring two pictures from
different times together.)

Rich