X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=doc%2Ffilters.texi;h=e002f25932374c61a36c24c02e0cd1e786736bfb;hb=a329b822e17a39c173ffc5dfcc0dd21c95da1d9c;hp=8e5e21f9eda97eaed3942015b79f4bf1c7397022;hpb=e66563aedeecea7a54f7f5604950379a4dbd305f;p=ffmpeg

diff --git a/doc/filters.texi b/doc/filters.texi
index 8e5e21f9eda..e002f259323 100644
--- 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.
@@ -10453,6 +10456,9 @@ Evaluate expressions for each incoming frame.
 
 Default value is @samp{init}.
 
+@item aspect
+Pad to aspect instead to a resolution.
+
 @end table
 
 The value for the @var{width}, @var{height}, @var{x}, and @var{y}
@@ -17186,6 +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]}.