[FFmpeg-devel] [PATCH] doc/filters: add RGB geq example

[Stefano Sabatini]

---
 doc/filters.texi |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 2cc62de..910f876 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -4111,6 +4111,12 @@ Generate a quick emboss effect:
 @example
 format=gray,geq=lum_expr='(p(X,Y)+(256-p(X-4,Y-4)))/2'
 @end example
+
+ at item
+Enhance RGB components depending on pixel position:
+ at example
+geq=r=X/W*r(X\,Y): g=(1-X/W)*g(X\,Y): b=(H-Y)/H*b(X\,Y)"
+ at end example
 @end itemize
 
 @section gradfun
-- 
1.7.9.5