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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgstvideobuffer.h"
QT_BEGIN_NAMESPACE
QGstVideoBuffer::QGstVideoBuffer(GstBuffer *buffer, int bytesPerLine)
: QAbstractVideoBuffer(NoHandle)
, m_buffer(buffer)
, m_bytesPerLine(bytesPerLine)
, m_mode(NotMapped)
{
gst_buffer_ref(m_buffer);
}
QGstVideoBuffer::QGstVideoBuffer(GstBuffer *buffer, int bytesPerLine,
QGstVideoBuffer::HandleType handleType,
const QVariant &handle)
: QAbstractVideoBuffer(handleType)
, m_buffer(buffer)
, m_bytesPerLine(bytesPerLine)
, m_mode(NotMapped)
, m_handle(handle)
{
gst_buffer_ref(m_buffer);
}
QGstVideoBuffer::~QGstVideoBuffer()
{
gst_buffer_unref(m_buffer);
}
QAbstractVideoBuffer::MapMode QGstVideoBuffer::mapMode() const
{
return m_mode;
}
uchar *QGstVideoBuffer::map(MapMode mode, int *numBytes, int *bytesPerLine)
{
if (mode != NotMapped && m_mode == NotMapped) {
if (numBytes)
*numBytes = m_buffer->size;
if (bytesPerLine)
*bytesPerLine = m_bytesPerLine;
m_mode = mode;
return m_buffer->data;
} else {
return 0;
}
}
void QGstVideoBuffer::unmap()
{
m_mode = NotMapped;
}
QT_END_NAMESPACE
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