[MPlayer-users] Re: slightly confused by mencoder output

[Matthias Wieser]

Am Donnerstag, 15. September 2005 00:18 schrieb Rich Felker:
> On Wed, Sep 14, 2005 at 07:15:31PM +0200, Matthias Wieser wrote:
> > Am Mittwoch, 14. September 2005 18:22 schrieb Rich Felker:
> > > > > or 2:2:2:2:2:2:2:2:2:2:2:3. :) Also there's no guarantee
> > > > > that 2:2 PAL is in phase with the field pairing of the capture
> > > > > device.
> > > >
> > > > There is no formal guarantee but it works for 99,...% of all
> > > > cases. To be precise: I have never had any captured video which
> > > > was out of phase. Oh,
> > >
> > > It's been reported on the list fairly often, and was important
> > > enough that someone even made a filter for it..
> >
> > I think, those were caused by buggy kernel modules or video cameras.
>
> A video camera does not do pulldown. It generates _VIDEO_, which is
> interlaced...

I thought that both interlaced video and 2:2 can get out of phase. At 
least I have seen normal interlaced video where bob made motions appear 
like forth-back-forth-back-... (kernel bug...).


Matthias