[MPlayer-dev-eng] [PATCH] New mode for 'tinterlace' filter

[Rich Felker]

On Sat, Apr 01, 2006 at 05:29:33PM -0800, Scott W. Larson wrote:
> Walter Belhaven wrote:
> 
> >P.S.  This filter MIGHT also be useful -- in conjunction with
> >'pullup' et. al. -- to recover the original "film" cadence in a
> >720p/60Fps transmission of a "film", in which the broadcaster
> >simply duplicates the original "film" Frames in a 2:3:2:3
> >pattern.  The 'tinterlace=4' filter can make the 720p/60Fps look
> >like hard telecined 720i/30Fps (i.e., 720i/60fps) which is what
> >'pullup' expects to see.  I haven't tested this application yet,
> >so I don't know if it works.  It probably doesn't work, unless it
> >just magically happens to be at the correct phase of the 2:3:2:3
> >pattern.
> > 
> >
> Not only would it depend on luck to work, but sometimes networks (or 
> perhaps local stations) don't stick to the 2:3:2:3 pattern all through a 
> 720p program. I've seen 2:2:3:2:3 mysteriously show up several times 
> during programs and it breaks everything that was depending on the 2:3 
> pattern. Once that happens, game over!

pullup doesn't care the least bit about stupid 2:3 pattern.

rich