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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2011-05-28 22:00:26 +0200
committerAnton Khirnov <anton@khirnov.net>2011-10-17 18:05:41 +0200
commit171868e25a231ff06864e9f37400680148af10b4 (patch)
treeff44d96374044e37f782481c0cdd9d85dffb2a08 /doc
parent8fe0c527f33fe6d2e89d62a23ae912553572452b (diff)
lavfi: add negate filter
This filter is a simple wrapper around the LUT filter. Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'doc')
-rw-r--r--doc/filters.texi7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index f7aacf2e19..c71fd48b6e 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -813,7 +813,12 @@ format=rgba,lutrgb=a="maxval-minval/2"
lutyuv=y=gammaval(0.5)
@end example
-@section noformat
+@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.
Force libavfilter not to use any of the specified pixel formats for the
input to the next filter.