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

Rich Felker dalias at aerifal.cx
Fri Sep 16 04:57:41 CEST 2005


On Thu, Sep 15, 2005 at 10:06:04PM +0200, Matthias Wieser wrote:
> > Out of phase capture of 2:2 pulldown:
> >  A A B B C C D D E E F F G G
> >
> > (lines indicate how the fields are paired in captured pseudo-frames)
> >
> > Reversed field dominance (video or post-pulldown film):
> >  B A D C F E H G J I (video)
> >  B A C B D C E D F E (film)
> 
> Thanks, I confused reversed field dominance with out of phase.
> So the worst thing would be an out of phase capture of 2:2 pulldown with 
> reversed field dominance ;-)

Reverse field dominance does nothing to the video if it's 2:2 pulldown
in-phase with the capture field-pairing. The only time it affects 2:2
pulldown is if the phase is opposite like in the example I showed
above.

Rich




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