zhipuzi_pos_windows/zhipuzi_pos_windows/tool/CVideoCapture.h

#pragma once

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

//这个Worker只负责从摄像头读取图像数据，不负责进行任何处理
class CVideoCapture
{
public:
	CVideoCapture();
	~CVideoCapture();

	static CVideoCapture * GetInstance()
	{
		static CVideoCapture instance;

		return &instance;
	}

	void InitVideoCapture();

	bool GetFrame(cv::Mat& frame);

private:
	int findAvailableCamera();	

private:
	bool m_is_video_capture_open = false;

	cv::VideoCapture m_cap;

	std::mutex m_init_mutex;
};