Merge commit '1b90433f79de857550d4d8c35c89fbe954920594'

[ffmpeg] / doc / scaler.texi

diff --git a/doc/scaler.texi b/doc/scaler.texi
index 23d6393883fddcafa403b888be4c9f7a923d6505..060a45ca744ae08897230b4ab40d5e7ae622e6b0 100644 (file)
--- a/doc/scaler.texi
+++ b/doc/scaler.texi
@@ -122,6 +122,22 @@ a_dither).
 
 @end table
 
+@item alphablend
+Set the alpha blending to use when the input has alpha but the output does not.
+Default value is @samp{none}.
+
+@table @samp
+@item uniform_color
+Blend onto a uniform background color
+
+@item checkerboard
+Blend onto a checkerboard
+
+@item none
+No blending
+
+@end table
+
 @end table
 
 @c man end SCALER OPTIONS