lavfi: add negate filter

This filter is a simple wrapper around the LUT filter.
2011-05-28 22:00:26 +02:00
parent dd2793c880
commit 15f03725ce
6 changed files with 34 additions and 1 deletions
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -911,6 +911,13 @@ mp=hue=100:-10

 See also mplayer(1), @url{http://www.mplayerhq.hu/}.

+@section negate
+
+Negate input video.
+
+This filter accepts an integer in input, if non-zero it negates the
+alpha component (if available). The default value in input is 0.
+
@section noformat

 Force libavfilter not to use any of the specified pixel formats for the