From adb2040980e61a4bf76675c163c0ada20809a7e2 Mon Sep 17 00:00:00 2001
From: Vladislav Vinogradov <vlad.vinogradov@itseez.com>
Date: Tue, 3 Dec 2013 15:55:47 +0400
Subject: [PATCH] added additional check in cv::gpu::demosaicing that source is
 not empty

---
 modules/gpu/src/color.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/gpu/src/color.cpp b/modules/gpu/src/color.cpp
index 76793d5200..864c4755ea 100644
--- a/modules/gpu/src/color.cpp
+++ b/modules/gpu/src/color.cpp
@@ -1863,7 +1863,7 @@ void cv::gpu::demosaicing(const GpuMat& src, GpuMat& dst, int code, int dcn, Str
 {
     const int depth = src.depth();
 
-    CV_Assert( src.channels() == 1 );
+    CV_Assert( src.channels() == 1 && !src.empty() );
 
     switch (code)
     {