OpenCV同时打开3个摄像头并保存为视频

最新推荐文章于 2023-12-03 12:33:15 发布

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最新推荐文章于 2023-12-03 12:33:15 发布

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分类专栏： opencv

本文链接：https://blog.youkuaiyun.com/hanshuning/article/details/116644918

版权

#include <opencv2/opencv.hpp>
#include<iostream>

using namespace cv;
using namespace std;

int main()
{

	//initialize and allocate memory to load the video stream from camera
	VideoCapture camera1(1 + cv::CAP_DSHOW);
	/*camera1.set(CAP_PROP_FRAME_WIDTH, 320);
	camera1.set(CAP_PROP_FRAME_HEIGHT, 240);*/

	VideoCapture camera2(0 + cv::CAP_DSHOW);
	//camera2.set(CAP_PROP_FRAME_WIDTH, 320);
	//camera2.set(CAP_PROP_FRAME_HEIGHT, 240);

	VideoCapture camera3(3 + cv::CAP_DSHOW);
	if (!camera1.isOpened())
	{
		cout << "ERROR!camera 1 open failed" << endl;
		return 1;
	}
	if (!camera2.isOpened())
	{
		cout << "ERROR!camera 3 open failed" << endl;
		return 1;
	}
	if (!camera3.isOpened())
	{
		cout << "ERROR!camera 3 open failed" << endl;
		return 1;
	}
	//grab and retrieve each frames of the video sequentially
	Mat frame1;
	camera1 >> frame1;
	if (frame1.empty()) {
		cerr &