一个简单的测试代码,但是显示窗口是灰屏的(使用电脑的摄像头)
win10,vs2017,opencv3.4.2
#include <cv.h>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
using namespace cv;
int main()
{
CvCapture *capture = cvCreateCameraCapture(0);
cvNamedWindow("myWindow", CV_WINDOW_AUTOSIZE);
IplImage * frame;
while (true)
{
frame = cvQueryFrame(capture);
cvShowImage("myWindow", frame);
char c = cvWaitKey(33);
if (c == 27) break;
}
cvReleaseCapture(&capture);
cvDestroyWindow("myWindow");
}