doc/filters: add missed framesync part in filter docs

[ffmpeg] / doc / utils.texi

diff --git a/doc/utils.texi b/doc/utils.texi
index d55dd315c34fb964a310668f92da8b11b8ae356a..05a2f81626e479b8c0110fea007c4a71a19e45b9 100644 (file)
--- a/doc/utils.texi
+++ b/doc/utils.texi
@@ -704,6 +704,8 @@ FL+FR+FC+LFE+BL+BR+FLC+FRC
 FL+FR+FC+LFE+FLC+FRC+SL+SR
 @item octagonal
 FL+FR+FC+BL+BR+BC+SL+SR
+@item hexadecagonal
+FL+FR+FC+BL+BR+BC+SL+SR+WL+WR+TBL+TBR+TBC+TFC+TFL+TFR
 @item downmix
 DL+DR
 @end table
@@ -920,6 +922,9 @@ corresponding input value will be returned.
 @item round(expr)
 Round the value of expression @var{expr} to the nearest integer. For example, "round(1.5)" is "2.0".
 
+@item sgn(x)
+Compute sign of @var{x}.
+
 @item sin(x)
 Compute sine of @var{x}.