avfilter: add deesser audio filter

1 files changed, 36 insertions, 0 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index 7c355fb1c5..700a76f239 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -3045,6 +3045,42 @@ Optional. It should have a value much less than 1 (e.g. 0.05 or 0.02) and is
 used to prevent clipping.
 @end table
 
+@section deesser
+
+Apply de-essing to the audio samples.
+
+@table @option
+@item i
+Set intensity for triggering de-essing. Allowed range is from 0 to 1.
+Default is 0.
+
+@item m
+Set amount of ducking on treble part of sound. Allowed range is from 0 to 1.
+Default is 0.5.
+
+@item f
+How much of original frequency content to keep when de-essing. Allowed range is from 0 to 1.
+Default is 0.5.
+
+@item s
+Set the output mode.
+
+It accepts the following values:
+@table @option
+@item i
+Pass input unchanged.
+
+@item o
+Pass ess filtered out.
+
+@item e
+Pass only ess.
+
+Default value is @var{o}.
+@end table
+
+@end table
+
 @section drmeter
 Measure audio dynamic range.