MovieStreamer.hpp

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#pragma once
 
#include "FAST/Streamers/Streamer.hpp"
#include <QObject>
 
class QMediaPlayer;
class QThread;
 
namespace fast {
 
class Image;
 
class MovieStreamerWorker;
 
class FAST_EXPORT MovieStreamer : public Streamer {
    FAST_OBJECT(MovieStreamer)
    public:
        void setFilename(std::string filename);
        std::string getFilename() const;
        bool hasReachedEnd();
        void addNewImageFrame(const uchar* data, int width, int height);
        void setGrayscale(bool grayscale);
        bool getGrayscale() const;
        void setFinished(bool finished);
        int getFramesAdded() const;
        ~MovieStreamer();
        void loadAttributes() override;
        void addLastFrame();
    private:
        MovieStreamer();
        void execute();
        void generateStream() override {};
 
        std::string mFilename;
        bool mGrayscale = true;
        bool m_finished = false;
        int64_t m_framesAdded = 0;
        std::chrono::high_resolution_clock::time_point m_startTime;
        QThread* thread;
        MovieStreamerWorker* worker;
        std::shared_ptr<Image> m_currentImage;
 
};
 
class VideoSurface;
 
class MovieStreamerWorker : public QObject {
    Q_OBJECT
    public:
        MovieStreamerWorker(MovieStreamer* streamer);
        ~MovieStreamerWorker();
    public Q_SLOTS:
        void run();
    Q_SIGNALS:
        void finished();
        void error(QString err);
    private:
        MovieStreamer* mStreamer;
        std::unique_ptr<QMediaPlayer> m_player;
        std::unique_ptr<VideoSurface> m_myVideoSurface;
};
 
}