WCudaMSE/BilatTools_OpenCV/src/core/tuto/tuto.cpp

   1 #include <iostream>
   2
   3 #include <opencv.hpp>
   4 #include <highgui.hpp>
   5
   6 using std::cout;
   7 using std::cerr;
   8 using std::endl;
   9 using std::string;
  10
  11 using namespace cv;
  12
  13 /*----------------------------------------------------------------------*\
  14  |*                     Declaration                                     *|
  15  \*---------------------------------------------------------------------*/
  16
  17 /*--------------------------------------*\
  18  |*             Public                  *|
  19  \*-------------------------------------*/
  20
  21 int tuto(string nameVideo);
  22
  23 /*--------------------------------------*\
  24  |*             Private                 *|
  25  \*-------------------------------------*/
  26
  27 static int work(VideoCapture* ptrVideoCapture);
  28
  29 /*----------------------------------------------------------------------*\
  30  |*                     Implementation                                  *|
  31  \*---------------------------------------------------------------------*/
  32
  33 /*--------------------------------------*\
  34  |*             Public                  *|
  35  \*-------------------------------------*/
  36
  37 /**
  38  * http://docs.opencv.org/doc/tutorials/highgui/video-input-psnr-ssim/video-input-psnr-ssim.html
  39  */
  40 int tuto(string nameVideo)
  41     {
  42
  43     try
  44         {
  45         //v1
  46         //  VideoCapture cap(nameVideo);
  47
  48         //v2
  49         VideoCapture cap;
  50         cap.open(nameVideo);
  51
  52         if (!cap.isOpened())
  53             {
  54             return EXIT_FAILURE;
  55             }
  56
  57         else
  58             {
  59             return work(&cap);
  60             }
  61
  62         }
  63     catch (cv::Exception& e)
  64         {
  65         const char* err_msg = e.what();
  66
  67         cerr << "Tuto failed" << endl;
  68         cerr << err_msg << endl;
  69
  70         return EXIT_FAILURE;
  71         }
  72
  73     }
  74
  75 /*--------------------------------------*\
  76  |*             Private                 *|
  77  \*-------------------------------------*/
  78
  79 int work(VideoCapture* ptrVideoCapture)
  80     {
  81     cout<<"[Tuto] : work"<<endl;
  82
  83     VideoCapture cap = *ptrVideoCapture;
  84
  85     double rate = cap.get(CV_CAP_PROP_FPS);
  86     int delay = 1000/rate;
  87
  88     namedWindow("edges", 1);
  89
  90     Mat edges;
  91     while (true)
  92         {
  93         Mat frame;
  94         //cout << "[Tuto] cap >> frame : try" << endl; // debug
  95         cap >> frame; // get a new frame from camera
  96
  97         if (frame.empty())
  98             {
  99             return EXIT_SUCCESS;
 100             }
 101         else
 102             {
 103             // ColorConversion
 104                 {
 105                 // http://siggiorn.com/wp-content/uploads/libraries/opencv-java/docs/sj/opencv/Constants.ColorConversion.html
 106                 //int colorConversion=CV_BGR2GRAY; // ok
 107                 //int colorConversion=CV_BGR2RGBA ; // ko
 108                 int colorConversion = CV_BGR2BGRA;              // ok
 109                 cvtColor(frame, edges, colorConversion);
 110                 }
 111
 112             // Effet
 113                 {
 114                 //GaussianBlur(edges, edges, Size(7, 7), 1.5, 1.5);
 115                 //Canny(edges, edges, 0, 30, 3);
 116                 }
 117
 118             imshow("edges", edges);
 119
 120             if (waitKey(delay) >= 0)
 121                 {
 122                 return EXIT_SUCCESS;
 123                 }
 124             }
 125         }
 126     }
 127
 128 /*----------------------------------------------------------------------*\
 129  |*                     End                                             *|
 130  \*---------------------------------------------------------------------*/
 131