tickmeter.hpp

#pragma once
#ifndef OPENCV_CUDA_TICKMETER_
#define OPENCV_CUDA_TICKMETER_

#if CV_MAJOR_VERSION == 3 && CV_MINOR_VERSION < 2
namespace cv
{
	class CV_EXPORTS TickMeter
	{
	public:
		TickMeter();
		void start();
		void stop();

		int64 getTimeTicks() const;
		double getTimeMicro() const;
		double getTimeMilli() const;
		double getTimeSec()   const;
		int64 getCounter() const;

		void reset();
	private:
		int64 counter;
		int64 sumTime;
		int64 startTime;
	};

	std::ostream& operator << (std::ostream& out, const TickMeter& tm);


	TickMeter::TickMeter() { reset(); }
	int64 TickMeter::getTimeTicks() const { return sumTime; }
	double TickMeter::getTimeMicro() const { return  getTimeMilli()*1e3; }
	double TickMeter::getTimeMilli() const { return getTimeSec()*1e3; }
	double TickMeter::getTimeSec() const { return (double)getTimeTicks() / cv::getTickFrequency(); }
	int64 TickMeter::getCounter() const { return counter; }
	void TickMeter::reset() { startTime = 0; sumTime = 0; counter = 0; }

	void TickMeter::start(){ startTime = cv::getTickCount(); }
	void TickMeter::stop()
	{
		int64 time = cv::getTickCount();
		if (startTime == 0)
			return;
		++counter;
		sumTime += (time - startTime);
		startTime = 0;
	}

	std::ostream& operator << (std::ostream& out, const TickMeter& tm) { return out << tm.getTimeSec() << "sec"; }
}
#endif

#endif