Opencv学习：多线程打开摄像头

太过爱你忘了你带给我的痛 2023-06-27 09:00 180阅读 0赞

Opencv学习笔记： C++ 多线程同时打开一个视频，或同时打开多个摄像头

AfxBeginThread函数

包含文件：\#include<afxwin.h>

UINT read_video(LPVOID lpparam)
    {
    	VideoCapture capture;
    	capture.open("C:/Users/x110276/Desktop/7.dav");
    	printf("thread1!!!\n");
    	if(!capture.isOpened())
    	{
    		printf("video open failed!\n");
    		return  -1;
    	}
    	namedWindow("video",0);
    	cv::resizeWindow("video",640,480);
    	cv::Mat frame;
    	while(1)
    	{
    		capture>>frame;
    		if(frame.empty())
    			break;
    		imshow("video",frame);
    		cv::waitKey(1);
    	}
    	capture.release();
    
    	return 0;
    }
    UINT read_video2(LPVOID lpparam)
    {
    	VideoCapture capture;
    	capture.open("C:/Users/x110276/Desktop/7.dav");
    	printf("thread2!!!\n");
    	if(!capture.isOpened())
    	{
    		printf("video open failed!\n");
    		return  -1;
    	}
    	namedWindow("video2",0);
    	cv::resizeWindow("video2",640,480);
    	cv::Mat frame;
    	while(1)
    	{
    		capture>>frame;
    		if(frame.empty())
    			break;
    		imshow("video2",frame);
    		cv::waitKey(1);
    	}
    	capture.release();
    
    	return 0;
    }
    int _tmain(int argc, _TCHAR* argv[])
    {
    	CWinThread *pthread1, *pthread2;
    	pthread1 =  AfxBeginThread(read_video,NULL);
    	pthread2 =  AfxBeginThread(read_video2,NULL);
    	system("pause");
    
    }

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