[MPlayer-DOCS] [PATCH] why current players do not deinterlace to full fieldrate (was modif de la version anglaise)

Guillaume POIRIER poirierg at gmail.com
Sun May 14 21:56:10 CEST 2006


Hi,

On 5/14/06, Diego Biurrun <diego at biurrun.de> wrote:
> On Sun, May 14, 2006 at 06:33:16PM +0200, Guillaume POIRIER wrote:
> >
> > The attached patch was sent to me privately, but since I'm not too
> > good in English, I prefer you guys to look at it before I commit it...
> >
> > --- encoding-guide.xml        12 May 2006 17:04:47 -0000      1.50
> > +++ encoding-guide.xml        13 May 2006 16:32:41 -0000
> > @@ -1272,9 +1272,11 @@
> >    Therefore, if you are encoding for high quality archival purposes,
> >    it is recommended not to deinterlace.
> >    You can always deinterlace the movie at playback time when
> > -  displaying it on progressive scan devices, and future players will
> > -  be able to deinterlace to full fieldrate, interpolating 50 or
> > -  60000/1001 entire frames per second from the interlaced video.
> > +  displaying it on progressive scan devices.
> > +  The power of nowadays computers forces players to use a deinterlacing
> > +  filter, which which results in a slight degradation in image quality.
> > +  But future players will be able to mimic the interlaced display of
> > +  a TV.
>
> I'd use the followint mixture of the two:
>
>   You can always deinterlace the movie at playback time when
>   displaying it on progressive scan devices.
>   The power of currently available computers forces players to use a
>   deinterlacing filter, which which results in a slight degradation in
>   image quality. But future players will be able to mimic the interlaced
>   display of a TV, deinterlacing to full fieldrate and interpolating 50
>   or 60000/1001 entire frames per second from the interlaced video.

Very good, applied.

Guillaume

-- 
I am disillusioned enough to know that no man's opinion on any subject
is worth a damn unless backed up with enough genuine information to
make him really know what he's talking about.

-- H. P. Lovecraft (about the flamewars on FFmpeg and MPlayer-dev mailing lists)
http://www.brainyquote.com/quotes/quotes/h/hplovecr278144.html




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