From bbffbe904a6a3242324c2bf8dbc3a845c7491c1a Mon Sep 17 00:00:00 2001
From: Alexey Spizhevoy <no@email>
Date: Thu, 10 Feb 2011 13:27:50 +0000
Subject: [PATCH] fixed waitKey delay for the GPU FD sample, it didn't work
 under Linux

---
 samples/gpu/cascadeclassifier_nvidia_api.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/gpu/cascadeclassifier_nvidia_api.cpp b/samples/gpu/cascadeclassifier_nvidia_api.cpp
index c56a559ef2..ebdac1c145 100644
--- a/samples/gpu/cascadeclassifier_nvidia_api.cpp
+++ b/samples/gpu/cascadeclassifier_nvidia_api.cpp
@@ -326,7 +326,7 @@ int main( int argc, const char** argv )
 
         cv::imshow(wndTitle, frameDisp);
 
-        switch (cvWaitKey(1))
+        switch (cvWaitKey(3))
         {
         case ' ':
             bUseOpenCV = !bUseOpenCV;