[FFmpeg-cvslog] doc: Explain how to use the fps and the fieldmatch filter together.

[Carl Eugen Hoyos]

ffmpeg | branch: master | Carl Eugen Hoyos <cehoyos at ag.or.at> | Thu Sep  3 14:36:34 2015 +0200| [3cf0c959cd76f59709dbbb71e9576121cc1d2c58] | committer: Carl Eugen Hoyos

doc: Explain how to use the fps and the fieldmatch filter together.

Fixes ticket #3968.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3cf0c959cd76f59709dbbb71e9576121cc1d2c58
---

 doc/filters.texi |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 162958f..57e8b50 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -5483,8 +5483,9 @@ which @code{fieldmatch} is based on. While the semantic and usage are very
 close, some behaviour and options names can differ.
 
 The @ref{decimate} filter currently only works for constant frame rate input.
-Do not use @code{fieldmatch} and @ref{decimate} if your input has mixed
-telecined and progressive content with changing framerate.
+If your input has mixed telecined (30fps) and progressive content with a lower
+framerate like 24fps use the following filterchain to produce the necessary cfr
+stream: @code{dejudder,fps=30000/1001,fieldmatch,decimate}.
 
 The filter accepts the following options: