--- modules/video_filter/opencv_wrapper.c.orig	2016-02-23 10:07:58.000000000 +0100
+++ modules/video_filter/opencv_wrapper.c	2016-02-23 10:03:36.000000000 +0100
@@ -39,6 +39,7 @@
 #include <vlc_image.h>
 #include "filter_picture.h"
 
+#include <opencv2/core/fast_math.hpp>
 #include <opencv2/core/core_c.h>
 #include <opencv2/core/types_c.h>