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****************************************************************************/

#ifndef QABSTRACTVIDEOBUFFER_H

#define QABSTRACTVIDEOBUFFER_H

#include <qmobilityglobal.h>

#include <qtmedianamespace.h>

#include <QtCore/qmetatype.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QVariant;

class QAbstractVideoBufferPrivate;

class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer

{

public:

    enum HandleType

    {

        NoHandle,

        GLTextureHandle,

        XvShmImageHandle,

        CoreImageHandle,

        UserHandle = 1000

    };

    enum MapMode

    {

        NotMapped = 0x00,

        ReadOnly  = 0x01,

        WriteOnly = 0x02,

        ReadWrite = ReadOnly | WriteOnly

    };

    QAbstractVideoBuffer(HandleType type);

    virtual ~QAbstractVideoBuffer();

    HandleType handleType() const;

    virtual MapMode mapMode() const = 0;

    virtual uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) = 0;

    virtual void unmap() = 0;

    virtual QVariant handle() const;

protected:

    QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type);

    QAbstractVideoBufferPrivate *d_ptr;

private:

    Q_DECLARE_PRIVATE(QAbstractVideoBuffer)

    Q_DISABLE_COPY(QAbstractVideoBuffer)

};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType)

Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode)

QT_END_HEADER

#endif