producer.hpp

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#ifndef OPENPOSE_PRODUCER_PRODUCER_HPP
#define OPENPOSE_PRODUCER_PRODUCER_HPP

#include <chrono>
#include <opencv2/core/core.hpp> // cv::Mat
#include <opencv2/highgui/highgui.hpp> // capProperties of OpenCV
#include <openpose/core/common.hpp>
#include <openpose/producer/enumClasses.hpp>

namespace op
{
    class OP_API Producer
    {
    public:
        explicit Producer(const ProducerType type);

        virtual ~Producer();

        cv::Mat getFrame();

        virtual std::string getFrameName() = 0;

        void setProducerFpsMode(const ProducerFpsMode fpsMode);

        inline ProducerType getType()
        {
            return mType;
        }

        virtual bool isOpened() const = 0;

        virtual void release() = 0;

        virtual double get(const int capProperty) = 0;

        virtual void set(const int capProperty, const double value) = 0;

        virtual double get(const ProducerProperty property) = 0;

        virtual void set(const ProducerProperty property, const double value) = 0;

    protected:
        void checkFrameIntegrity(cv::Mat& frame);

        void flipAndRotate(cv::Mat& cvMat) const;

        void ifEndedResetOrRelease();

        void keepDesiredFrameRate();

        virtual cv::Mat getRawFrame() = 0;

    private:
        const ProducerType mType;
        ProducerFpsMode mProducerFpsMode;
        std::array<double, (int)ProducerProperty::Size> mProperties;
        unsigned int mNumberEmptyFrames;
        // For ProducerFpsMode::OriginalFps
        bool mTrackingFps;
        unsigned long long mFirstFrameTrackingFps;
        unsigned long long mNumberFramesTrackingFps;
        unsigned int mNumberSetPositionTrackingFps;
        std::chrono::high_resolution_clock::time_point mClockTrackingFps;

        DELETE_COPY(Producer);
    };
}

#endif // OPENPOSE_PRODUCER_PRODUCER_HPP