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| author | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2013-09-21 02:06:19 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-09-21 03:24:24 +0200 |
| commit | 705b30e24f9ba88d36bb887fbe0cf5218914b160 (patch) | |
| tree | d17db561b4793a4075ed5fb070182f1b3c742de1 | |
| parent | 68f328fcdd147a56c228abd6794a923f534138fb (diff) | |
| download | ffmpeg-705b30e24f9ba88d36bb887fbe0cf5218914b160.tar.gz | |
Improve pullup documentation.
Mention that the fps filter should be used after pullup.
| -rw-r--r-- | doc/filters.texi | 9 |
1 files changed, 9 insertions, 0 deletions
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 |