Merge commit '03a80925effc2698d21dc0b00290eecf42dd9e68'

[ffmpeg] / doc / filters.texi

diff --git a/doc/filters.texi b/doc/filters.texi
index bc37e667e0bf437b542aea5f750237cffec00bf9..ac32995deae1120569f3b3c139ff39e2c6c58179 100644 (file)
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6253,6 +6253,44 @@ Limit the maximum change for each plane, default is 65535.
 If 0, plane will remain unchanged.
 @end table
 
+@section deflicker
+
+Remove temporal frame luminance variations.
+
+It accepts the following options:
+
+@table @option
+@item size, s
+Set moving-average filter size in frames. Default is 5. Allowed range is 2 - 129.
+
+@item mode, m
+Set averaging mode to smooth temporal luminance variations.
+
+Available values are:
+@table @samp
+@item am
+Arithmetic mean
+
+@item gm
+Geometric mean
+
+@item hm
+Harmonic mean
+
+@item qm
+Quadratic mean
+
+@item cm
+Cubic mean
+
+@item pm
+Power mean
+
+@item median
+Median
+@end table
+@end table
+
 @section dejudder
 
 Remove judder produced by partially interlaced telecined content.
@@ -10430,6 +10468,9 @@ expression, and vice versa.
 
 The default value of @var{x} and @var{y} is 0.
 
+If @var{x} or @var{y} evaluate to a negative number, they'll be changed
+so the input image is centered on the padded area.
+
 @item color
 Specify the color of the padded area. For the syntax of this option,
 check the "Color" section in the ffmpeg-utils manual.
@@ -14618,12 +14659,15 @@ Default is digital.
 Set background opacity.
 @end table
 
-@section weave
+@section weave, doubleweave
 
 The @code{weave} takes a field-based video input and join
 each two sequential fields into single frame, producing a new double
 height clip with half the frame rate and half the frame count.
 
+The @code{doubleweave} works same as @code{weave} but without
+halving frame rate and frame count.
+
 It accepts the following option:
 
 @table @option
@@ -17189,6 +17233,11 @@ event in time domain is represented more accurately (such as fast bass drum),
 otherwise event in frequency domain is represented more accurately
 (such as bass guitar). Acceptable range is @code{[0.002, 1]}. Default value is @code{0.17}.
 
+@item attack
+Set attack time in seconds. The default is @code{0} (disabled). Otherwise, it
+limits future samples by applying asymmetric windowing in time domain, useful
+when low latency is required. Accepted range is @code{[0, 1]}.
+
 @item basefreq
 Specify the transform base frequency. Default value is @code{20.01523126408007475},
 which is frequency 50 cents below E0. Acceptable range is @code{[10, 100000]}.