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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtMultimedia module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTVIDEOBUFFER_H
#define QABSTRACTVIDEOBUFFER_H
#include <QtCore/qmetatype.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class QVariant;
class QAbstractVideoBufferPrivate;
class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer
{
public:
enum HandleType
{
NoHandle,
GLTextureHandle,
XvShmImageHandle,
CoreImageHandle,
QPixmapHandle,
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
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