From 705b30e24f9ba88d36bb887fbe0cf5218914b160 Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Sat, 21 Sep 2013 02:06:19 +0200 Subject: [PATCH] Improve pullup documentation. Mention that the fps filter should be used after pullup. --- doc/filters.texi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index eb3a4933f3..6575454cca 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -6193,6 +6193,10 @@ its decisions. This filter is stateless in the sense that it does not lock onto a pattern to follow, but it instead looks forward to the following fields in order to identify matches and rebuild progressive frames. +To produce content with an even framerate, insert the fps filter after +pullup, use @code{fps=24000/1001} if the input frame rate is 29.97fps, +@code{fps=24} for 30fps and the (rare) telecined 25fps input. + The filter accepts the following options: @table @option @@ -6235,6 +6239,11 @@ The main purpose of setting @option{mp} to a chroma plane is to reduce CPU load and make pullup usable in realtime on slow machines. @end table +For example to inverse telecined NTSC input: +@example +-vf pullup,fps=24000/1001 +@end example + @section removelogo Suppress a TV station logo, using an image file to determine which