From 3b177eaaa3bd2933e9910e21bfdf5a23af8e883d Mon Sep 17 00:00:00 2001
From: Yang Fan <stoneyang0915@gmail.com>
Date: Tue, 14 Apr 2015 13:39:00 +0800
Subject: [PATCH] ENH: explicitly declared outputFilename to surpress error
 C2668

---
 samples/gpu/video_writer.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/samples/gpu/video_writer.cpp b/samples/gpu/video_writer.cpp
index 5a48c69aab..6c5d1412d6 100644
--- a/samples/gpu/video_writer.cpp
+++ b/samples/gpu/video_writer.cpp
@@ -69,7 +69,8 @@ int main(int argc, const char* argv[])
         {
             std::cout << "Open CUDA Writer" << std::endl;
 
-            d_writer = cv::cudacodec::createVideoWriter("output_gpu.avi", frame.size(), FPS);
+            const cv::String outputFilename = "output_gpu.avi";
+            d_writer = cv::cudacodec::createVideoWriter(outputFilename, frame.size(), FPS);
         }
 
         d_frame.upload(frame);