[FFmpeg-cvslog] Fix example in pullup documentation.

[Lou Logan]

ffmpeg | branch: release/2.1 | Lou Logan <lou at lrcd.com> | Tue Nov 12 14:22:15 2013 +0100| [5c8845a55478c4963e663e288f7ce6009780a49a] | committer: Carl Eugen Hoyos

Fix example in pullup documentation.

The pullup filter does not work well with the fps filter, it
currently needs -r

Signed-off-by: Carl Eugen Hoyos <cehoyos at ag.or.at>
(cherry picked from commit 6d90a5c149fbdf9678c3f03fac820f835665b985)

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5c8845a55478c4963e663e288f7ce6009780a49a
---

 doc/filters.texi |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 14692a2..0cf53ae 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6422,9 +6422,11 @@ 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:
+For best results (without duplicated frames in the output file) it is
+necessary to change the output frame rate. For example, to inverse
+telecine NTSC input:
 @example
-pullup,fps=24000/1001
+ffmpeg -i input -vf pullup -r 24000/1001 ...
 @end example
 
 @section removelogo