vs2015 下 win32 - opencv打开摄像头

include:

G:\CProgram\OpenCV\软件\opencv\build\include

lib:

G:\CProgram\OpenCV\软件\opencv\build\x86\vc12\lib

opencv_calib3d249.lib
opencv_calib3d249d.lib
opencv_contrib249.lib
opencv_contrib249d.lib
opencv_core249.lib
opencv_core249d.lib
opencv_features2d249.lib
opencv_features2d249d.lib
opencv_flann249.lib
opencv_flann249d.lib
opencv_gpu249.lib
opencv_gpu249d.lib
opencv_highgui249.lib
opencv_highgui249d.lib
opencv_imgproc249.lib
opencv_imgproc249d.lib
opencv_legacy249.lib
opencv_legacy249d.lib
opencv_ml249.lib
opencv_ml249d.lib
opencv_nonfree249.lib
opencv_nonfree249d.lib
opencv_objdetect249.lib
opencv_objdetect249d.lib
opencv_ocl249.lib
opencv_ocl249d.lib
opencv_photo249.lib
opencv_photo249d.lib
opencv_stitching249.lib
opencv_stitching249d.lib
opencv_superres249.lib
opencv_superres249d.lib
opencv_ts249.lib
opencv_ts249d.lib
opencv_video249.lib
opencv_video249d.lib
opencv_videostab249.lib
opencv_videostab249d.lib

 

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#include "opencv2/opencv.hpp" using namespace cv;     int APIENTRY wWinMain(_In_ HINSTANCE hInstance,     _In_opt_ HINSTANCE hPrevInstance,     _In_ LPWSTR    lpCmdLine,     _In_ int       nCmdShow) {     UNREFERENCED_PARAMETER(hPrevInstance);     UNREFERENCED_PARAMETER(lpCmdLine);       // TODO: 在此放置代码。       VideoCapture cap(0); // open the default camera     if (!cap.isOpened()) // check if we succeeded         return -1;       Mat edges;     String s_title("edges");       namedWindow(s_title, 1);     for (;;)     {         Mat frame;         cap >> frame;    // get a new frame from camera         cvtColor(frame, edges, CV_BGR2GRAY);         GaussianBlur(edges, edges, Size(7, 7), 1.5, 1.5);         Canny(edges, edges, 0, 30, 3);         imshow(s_title, edges);         if (waitKey(30) >= 0) {             break;         }     }         // 初始化全局字符串     LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);     LoadStringW(hInstance, IDC_CONSOLEAPP01, szWindowClass, MAX_LOADSTRING);     MyRegisterClass(hInstance);       // 执行应用程序初始化:     if (!InitInstance(hInstance, nCmdShow))     {         return FALSE;     }       HACCEL hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_CONSOLEAPP01));       MSG msg;       // 主消息循环:     while (GetMessage(&msg, nullptr, 0, 0))     {         if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))         {             TranslateMessage(&msg);             DispatchMessage(&msg);         }     }       return (int)msg.wParam; }