[FFmpeg-cvslog] doc/ffmpeg-filters: add short description

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Sat Dec  1 13:05:25 2012 +0100| [12cd992d67d996f7283f6fb61fdbbaf759f3570a] | committer: Stefano Sabatini

doc/ffmpeg-filters: add short description

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=12cd992d67d996f7283f6fb61fdbbaf759f3570a
---

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

diff --git a/doc/ffmpeg-filters.texi b/doc/ffmpeg-filters.texi
index 5c3dae3..f272bb4 100644
--- a/doc/ffmpeg-filters.texi
+++ b/doc/ffmpeg-filters.texi
@@ -9,6 +9,14 @@
 
 @contents
 
+ at chapter Description
+ at c man begin DESCRIPTION
+
+This document describes filters, sources, and sinks provided by the
+libavfilter library.
+
+ at c man end DESCRIPTION
+
 @include filters.texi
 
 @ignore