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Improve pullup documentation.

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Mention that the fps filter should be used after pullup.
This commit is contained in:
Carl Eugen Hoyos
2013-09-21 02:06:19 +02:00
committed by Michael Niedermayer
parent 68f328fcdd
commit 705b30e24f
1 changed files with 9 additions and 0 deletions
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doc/filters.texi
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@@ -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 onto a pattern to follow, but it instead looks forward to the following
fields in order to identify matches and rebuild progressive frames. 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: The filter accepts the following options:
@table @option @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. load and make pullup usable in realtime on slow machines.
@end table @end table
For example to inverse telecined NTSC input:
@example
-vf pullup,fps=24000/1001
@end example
@section removelogo @section removelogo
Suppress a TV station logo, using an image file to determine which Suppress a TV station logo, using an image file to determine which