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#ifndef AVFCAMERARENDERERCONTROL_H
#define AVFCAMERARENDERERCONTROL_H

#include <QtMultimedia/qvideorenderercontrol.h>
#include <QtMultimedia/qvideoframe.h>
#include <QtCore/qmutex.h>

#import <AVFoundation/AVFoundation.h>

@class AVFCaptureFramesDelegate;

QT_BEGIN_NAMESPACE

class AVFCameraSession;
class AVFCameraService;
class AVFCameraRendererControl;

class AVFCameraRendererControl : public QVideoRendererControl
{
Q_OBJECT
public:
    AVFCameraRendererControl(QObject *parent = nullptr);
    ~AVFCameraRendererControl();

    QAbstractVideoSurface *surface() const override;
    void setSurface(QAbstractVideoSurface *surface) override;

    void configureAVCaptureSession(AVFCameraSession *cameraSession);
    void syncHandleViewfinderFrame(const QVideoFrame &frame);

    AVCaptureVideoDataOutput *videoDataOutput() const;

    bool supportsTextures() const { return m_supportsTextures; }

#ifdef Q_OS_IOS
    AVFCaptureFramesDelegate *captureDelegate() const;
    void resetCaptureDelegate() const;
#endif

Q_SIGNALS:
    void surfaceChanged(QAbstractVideoSurface *surface);

private Q_SLOTS:
    void handleViewfinderFrame();
    void updateCaptureConnection();

private:
    QAbstractVideoSurface *m_surface;
    AVFCaptureFramesDelegate *m_viewfinderFramesDelegate;
    AVFCameraSession *m_cameraSession;
    AVCaptureVideoDataOutput *m_videoDataOutput;

    bool m_supportsTextures;
    bool m_needsHorizontalMirroring;

#ifdef Q_OS_IOS
    CVOpenGLESTextureCacheRef m_textureCache;
#endif

    QVideoFrame m_lastViewfinderFrame;
    QMutex m_vfMutex;
    dispatch_queue_t m_delegateQueue;

    friend class CVImageVideoBuffer;
};

QT_END_NAMESPACE

#endif