Merge commit '4a1ef543983b7480e2822f6ac281ba361d1f893d'

[ffmpeg] / doc / filters.texi

diff --git a/doc/filters.texi b/doc/filters.texi
index bc37e667e0bf437b542aea5f750237cffec00bf9..e002f25932374c61a36c24c02e0cd1e786736bfb 100644 (file)
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -10430,6 +10430,9 @@ 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.
@@ -17189,6 +17192,11 @@ 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]}.