starter_video.cpp hid local functions

samples/cpp/starter_video.cpp

@@ -19,7 +19,9 @@
 using namespace cv;
 using namespace std;
 
-void help(char** av) {
+//hide the local functions in an anon namespace
+namespace {
+    void help(char** av) {
         cout << "The program captures frames from a video file, image sequence (01.jpg, 02.jpg ... 10.jpg) or camera connected to your computer." << endl
              << "Usage:\n" << av[0] << " <video file, image sequence or device number>" << endl
              << "q,Q,esc -- quit" << endl
@@ -30,9 +32,9 @@ void help(char** av) {
              << "\texample: " << av[0] << " video.avi" << endl
              << "\tYou can also pass the path to an image sequence and OpenCV will treat the sequence just like a video." << endl
              << "\texample: " << av[0] << " right%%02d.jpg" << endl;
-}
+    }
 
-int process(VideoCapture& capture) {
+    int process(VideoCapture& capture) {
         int n = 0;
         char filename[200];
         string window_name = "video | q or esc to quit";
@@ -63,6 +65,7 @@ int process(VideoCapture& capture) {
             }
         }
         return 0;
+    }
 }
 
 int main(int ac, char** av) {