avfilter: add maskedthreshold filter

1 files changed, 21 insertions, 0 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index cc09fee5dd..80c33f5edb 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -13258,6 +13258,27 @@ copied from first stream.
 By default value 0xf, all planes will be processed.
 @end table
 
+@section maskedthreshold
+Pick pixels comparing absolute difference of two video streams with fixed
+threshold.
+
+If absolute difference between pixel component of first and second video
+stream is equal or lower than user supplied threshold than pixel component
+from first video stream is picked, otherwise pixel component from second
+video stream is picked.
+
+This filter accepts the following options:
+@table @option
+@item threshold
+Set threshold used when picking pixels from absolute difference from two input
+video streams.
+
+@item planes
+Set which planes will be processed as bitmap, unprocessed planes will be
+copied from second stream.
+By default value 0xf, all planes will be processed.
+@end table
+
 @section maskfun
 Create mask from input video.