From 64e93025f002c137c6b8baa8c7112482ce5df857 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Mon, 31 Aug 2020 10:46:42 +0200
Subject: avfilter/vsrc_gradients: add duration option

---
 doc/filters.texi | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'doc')

diff --git a/doc/filters.texi b/doc/filters.texi
index b0cdf92845..40d493fcae 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -22569,6 +22569,14 @@ Set number of colors to use at once. Allowed range is from 2 to 8. Default value
 
 @item seed
 Set seed for picking gradient line points.
+
+@item duration, d
+Set the duration of the sourced video. See
+@ref{time duration syntax,,the Time duration section in the ffmpeg-utils(1) manual,ffmpeg-utils}
+for the accepted syntax.
+
+If not specified, or the expressed duration is negative, the video is
+supposed to be generated forever.
 @end table
 
 
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