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-rw-r--r--doc/filters.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index 89dd59587b..284b6d798a 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -17656,6 +17656,13 @@ number of previous sequentially dropped frames.
Default value is 0.
+@item keep
+Set the maximum number of consecutive similar frames to ignore before to start dropping them.
+If the value is 0, the frame is dropped disregarding the
+number of previous sequentially similar frames.
+
+Default value is 0.
+
@item hi
@item lo
@item frac