From a289f418e4faa291b6afefa0800be0e8df289320 Mon Sep 17 00:00:00 2001
From: Lukasz Marek <lukasz.m.luki@gmail.com>
Date: Thu, 18 Jul 2013 01:34:43 +0200
Subject: [PATCH] doc/filters: add sepia example for colorchannelmixer

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 doc/filters.texi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/filters.texi b/doc/filters.texi
index 785ce85f0d..1217f7e8e1 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -2371,6 +2371,11 @@ Convert source to grayscale:
 @example
 colorchannelmixer=.3:.4:.3:0:.3:.4:.3:0:.3:.4:.3
 @end example
+@item
+Simulate sepia tones:
+@example
+colorchannelmixer=.393:.769:.189:0:.349:.686:.168:0:.272:.534:.131
+@end example
 @end itemize
 
 @section colormatrix