lavfi: add shuffleplanes filter

[libav.git] / doc / filters.texi

diff --git a/doc/filters.texi b/doc/filters.texi
index 68a657a..8d46cd1 100644 (file)
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -2453,6 +2453,36 @@ Adler-32 checksum of each plane of the input frame, expressed in the form
 "[@var{c0} @var{c1} @var{c2} @var{c3}]"
 @end table
 
+@section shuffleplanes
+
+Reorder and/or duplicate video planes.
+
+This filter accepts the following options:
+
+@table @option
+
+@item map0
+The index of the input plane to be used as the first output plane.
+
+@item map1
+The index of the input plane to be used as the second output plane.
+
+@item map2
+The index of the input plane to be used as the third output plane.
+
+@item map3
+The index of the input plane to be used as the fourth output plane.
+
+@end table
+
+The first plane has the index 0. The default is to keep the input unchanged.
+
+E.g.
+@example
+avconv -i INPUT -vf shuffleplanes=0:2:1:3 OUTPUT
+@end example
+swaps the second and third planes of the input.
+
 @section split
 
 Split input video into several identical outputs.