lavf: Add support for WebM Live Muxing

[ffmpeg] / doc / filters.texi

diff --git a/doc/filters.texi b/doc/filters.texi
index 15f8ed59bf805a64debbb93f38715f21e0a408f4..b75ce5a925ff4dbd0f58d78ca21afbd96fe0ea11 100644 (file)
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -3955,6 +3955,10 @@ Used to draw a box around text using the background color.
 The value must be either 1 (enable) or 0 (disable).
 The default value of @var{box} is 0.
 
+@item boxborderw
+Set the width of the border to be drawn around the box using @var{boxcolor}.
+The default value of @var{boxborderw} is 0.
+
 @item boxcolor
 The color to be used for drawing box around text. For the syntax of this
 option, check the "Color" section in the ffmpeg-utils manual.