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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTVIDEOBUFFER_H
#define QABSTRACTVIDEOBUFFER_H
#include <QtMultimedia/qtmultimediadefs.h>
#include <QtMultimedia/qmultimedia.h>
#include <QtCore/qmetatype.h>
QT_BEGIN_NAMESPACE
class QVariant;
class QAbstractVideoBufferPrivate;
class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer
{
public:
enum HandleType
{
NoHandle,
GLTextureHandle,
XvShmImageHandle,
CoreImageHandle,
QPixmapHandle,
EGLImageHandle,
UserHandle = 1000
};
enum MapMode
{
NotMapped = 0x00,
ReadOnly = 0x01,
WriteOnly = 0x02,
ReadWrite = ReadOnly | WriteOnly
};
QAbstractVideoBuffer(HandleType type);
virtual ~QAbstractVideoBuffer();
virtual void release();
HandleType handleType() const;
virtual MapMode mapMode() const = 0;
virtual uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) = 0;
int mapPlanes(MapMode mode, int *numBytes, int bytesPerLine[4], uchar *data[4]);
virtual void unmap() = 0;
virtual QVariant handle() const;
protected:
QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type);
QAbstractVideoBufferPrivate *d_ptr; // For expansion, not used currently
HandleType m_type;
private:
Q_DECLARE_PRIVATE(QAbstractVideoBuffer)
Q_DISABLE_COPY(QAbstractVideoBuffer)
};
class QAbstractPlanarVideoBufferPrivate;
class Q_MULTIMEDIA_EXPORT QAbstractPlanarVideoBuffer : public QAbstractVideoBuffer
{
public:
QAbstractPlanarVideoBuffer(HandleType type);
virtual ~QAbstractPlanarVideoBuffer();
uchar *map(MapMode mode, int *numBytes, int *bytesPerLine);
virtual int map(MapMode mode, int *numBytes, int bytesPerLine[4], uchar *data[4]) = 0;
protected:
QAbstractPlanarVideoBuffer(QAbstractPlanarVideoBufferPrivate &dd, HandleType type);
private:
Q_DISABLE_COPY(QAbstractPlanarVideoBuffer)
};
#ifndef QT_NO_DEBUG_STREAM
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::HandleType);
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::MapMode);
#endif
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType)
Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode)
#endif
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