[FFmpeg-devel] [PATCH] [PATCH] lavfi: add inverse telecine filter
u at pkh.me
Wed Mar 11 10:40:10 CET 2015
On Wed, Mar 11, 2015 at 07:12:16AM +0000, Carl Eugen Hoyos wrote:
> Timothy Gu <timothygu99 <at> gmail.com> writes:
> > > This is an exact inverse of the telecine filter
> > > unlike previously existing pullup and fieldmatch
> > > ones.
> > What's the difference between the three seemingly
> > similar filters?
> The other two are similar (speed and license are
> different): They try to detect the telecined
> frames and reconstruct the original progressive
> stream even if cuts were made. They sometimes miss
> telecined frames.
> This filter does not detect anything, it applies a
> fixed pattern to the input stream: It fails very
> badly if the input was cut (and the pattern
> it works perfectly for streams that
> contain a constant pattern.
Did this happen even once with real material?
> Carl Eugen
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