[FFmpeg-devel] [PATCH]Mention in the documentation that fieldmatch needs cfr input

Clément Bœsch u at pkh.me
Fri Oct 24 11:14:54 CEST 2014


On Thu, Oct 23, 2014 at 05:58:48PM +0200, Carl Eugen Hoyos wrote:
> On Thursday 23 October 2014 10:05:07 am Clément Bœsch wrote:
> > > +The filter only works for strictly constant frame rate input. If your
> > > input +has variable frame rate, try the @ref{pullup} filter.
> > > +
> >
> > Well... isn't telecined content supposed to be CFR anyway?
> 
> Patch updated.
> 
> Thank you, Carl Eugen

> diff --git a/doc/filters.texi b/doc/filters.texi
> index c70ddf3..24e3e50 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -4447,6 +4447,10 @@ and VIVTC/VFM (VapourSynth project). The later is a light clone of TFM from
>  which @code{fieldmatch} is based on. While the semantic and usage are very
>  close, some behaviour and options names can differ.
>  
> +The filter only works for constant frame rate input. If your input
> +has mixed telecined and progressive content with changing framerate,
> +try the @ref{pullup} filter.
> +

Well I don't mind much but then... how is pullup making any difference
here actually? fieldmatch isn't actually touching the pts nor using them.

[...]

-- 
Clément B.
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