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#ifndef QDECLARATIVEVIDEOOUTPUT_RENDER_P_H
#define QDECLARATIVEVIDEOOUTPUT_RENDER_P_H

#include "qdeclarativevideooutput_backend_p.h"
#include "qsgvideonode_i420.h"
#include "qsgvideonode_rgb.h"
#include "qsgvideonode_texture.h"

#include <QtCore/qmutex.h>
#include <QtMultimedia/qabstractvideosurface.h>

QT_BEGIN_NAMESPACE

class QSGVideoItemSurface;
class QVideoRendererControl;
class QOpenGLContext;
class QAbstractVideoFilter;
class QVideoFilterRunnable;

class QDeclarativeVideoRendererBackend : public QDeclarativeVideoBackend
{
public:
    QDeclarativeVideoRendererBackend(QDeclarativeVideoOutput *parent);
    ~QDeclarativeVideoRendererBackend();

    bool init(QMediaService *service);
    void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &changeData);
    void releaseSource();
    void releaseControl();
    QSize nativeSize() const;
    void updateGeometry();
    QSGNode *updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data);
    QAbstractVideoSurface *videoSurface() const;
    QRectF adjustedViewport() const Q_DECL_OVERRIDE;
    QOpenGLContext *glContext() const;

    friend class QSGVideoItemSurface;
    void present(const QVideoFrame &frame);
    void stop();

    void appendFilter(QAbstractVideoFilter *filter) Q_DECL_OVERRIDE;
    void clearFilters() Q_DECL_OVERRIDE;
    void releaseResources() Q_DECL_OVERRIDE;
    void invalidateSceneGraph() Q_DECL_OVERRIDE;

private:
    void scheduleDeleteFilterResources();

    QPointer<QVideoRendererControl> m_rendererControl;
    QList<QSGVideoNodeFactoryInterface*> m_videoNodeFactories;
    QSGVideoItemSurface *m_surface;
    QOpenGLContext *m_glContext;
    QVideoFrame m_frame;
    bool m_frameChanged;
    QSGVideoNodeFactory_I420 m_i420Factory;
    QSGVideoNodeFactory_RGB m_rgbFactory;
    QSGVideoNodeFactory_Texture m_textureFactory;
    QMutex m_frameMutex;
    QRectF m_renderedRect;         // Destination pixel coordinates, clipped
    QRectF m_sourceTextureRect;    // Source texture coordinates

    struct Filter {
        Filter() : filter(0), runnable(0) { }
        Filter(QAbstractVideoFilter *filter) : filter(filter), runnable(0) { }
        QAbstractVideoFilter *filter;
        QVideoFilterRunnable *runnable;
    };
    QList<Filter> m_filters;
};

class QSGVideoItemSurface : public QAbstractVideoSurface
{
    Q_OBJECT
public:
    explicit QSGVideoItemSurface(QDeclarativeVideoRendererBackend *backend, QObject *parent = 0);
    ~QSGVideoItemSurface();
    QList<QVideoFrame::PixelFormat> supportedPixelFormats(QAbstractVideoBuffer::HandleType handleType) const;
    bool start(const QVideoSurfaceFormat &format);
    void stop();
    bool present(const QVideoFrame &frame);
    void scheduleOpenGLContextUpdate();

private slots:
    void updateOpenGLContext();

private:
    QDeclarativeVideoRendererBackend *m_backend;
};

QT_END_NAMESPACE

#endif