[MEncoder-users] Need some hints for my tv recording concept

[Matthias Wieser]

Am Mittwoch, 31. August 2005 16:50 schrieb Rich Felker:
> On Wed, Aug 31, 2005 at 09:38:22AM +0200, Matthias Wieser wrote:
> > Am Dienstag, 30. August 2005 23:25 schrieb Rich Felker:
> > > On Tue, Aug 30, 2005 at 07:47:36PM +0200, Matthias Wieser wrote:
> > > > Am Dienstag, 30. August 2005 19:02 schrieb Rich Felker:
> > > > > Never use any height except full (480 for ntsc, 576 for pal) or
> > > > > half (240 for ntsc, 288 for pal). Anything else will give
> > > > > bogus, damaged output.
> > > >
> > > > That's not totally true. At least (some?) saa7134 cards have an
> > > > nice deinterlacer. For example, capturing PAL with 640x480
> > > > results in a nice progressive video without interlacing
> > > > artefacts.
> > >
> > > This is fundamentally impossible. There's no such thing as a nice
> > > half-framerate deinterlacer.
> >
> > "[...]without +visible+ interlacing artefacts".
>
> Arrg people are so ignorant!!! [...]

Good deinterlacers produce images that are most of the time much better 
than a single frame.

> However your "nice progressive video" coming out of
> the deinterlacer is not nice, it's missing half the pictures!!!

It is nice and very often 25fps are enough. Nobody forces you to use 
deinterlacers.


> > And yes, there are nice
> > deinterlacers (dscaler, xine,.. have some really good ones).
>
> DScaler has 50/60 fps deinterlacers, some of which are nice.

They work for 25fps nearly as well.

> Xine does 
> not have any nice deinterlacer; they're destructive just like 
> mplayer's...

Xine has nearly all relevant high quality deinterlacers (TomsMoComp, 
Greedy,..).