[MEncoder-users] inverse telecine with 60 fps progressive video
D Richard Felker III
dalias at aerifal.cx
Fri Apr 8 06:17:15 CEST 2005
On Thu, Apr 07, 2005 at 10:12:31AM -0700, Scott W. Larson wrote:
> > The inverse telecine filters only operate on 30i input, not 60p.
> > Assuming this is hdtv content, there's a hack you can use that will
> > probably get it right:
> > -vf tinterlace,pullup (or your favorite ivtc filter)
> That's sounds crazy enough to work. :-)
> Is the goal of tinterlace here simply to drop every other frame? Could I
No. The goal is to interlace pairs of frames together as if they were
just fields, so that the inverse-telecine filter sees a sequence of
fields rather than frames. Actually much better ivtc is possible for
60p-telecined content like you have, but no one's written a filter
specifically for it.
> use tinterlace=1 or tinterlace=2 to prevent merging frames in the first
If you do that you'll eliminate some of the duplicate frames, but
inverse telecine still won't work and the results will be choppy.
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