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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2016 Research In Motion
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEVIDEOOUTPUT_RENDER_P_H
#define QDECLARATIVEVIDEOOUTPUT_RENDER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick/qquickitem.h>
#include <QtQuick/qsgnode.h>
#include <private/qsgvideonode_p.h>
#include <QtCore/qmutex.h>
QT_BEGIN_NAMESPACE
class QVideoSink;
class QObject;
class QDeclarativeVideoOutput;
class QDeclarativeVideoBackend
{
public:
QDeclarativeVideoBackend(QDeclarativeVideoOutput *parent);
~QDeclarativeVideoBackend();
void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &changeData);
QSize nativeSize() const;
void updateGeometry();
QSGNode *updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data);
QVideoSink *videoSink() const;
QRectF adjustedViewport() const;
friend class QSGVideoItemSurface;
void present(const QVideoFrame &frame);
void stop();
void releaseResources();
void invalidateSceneGraph();
private:
QDeclarativeVideoOutput *q;
mutable QVideoSink *m_sink = nullptr;
QVideoSurfaceFormat m_surfaceFormat;
QVideoFrame m_frame;
QVideoFrame m_frameOnFlush;
bool m_frameChanged;
QMutex m_frameMutex;
QRectF m_renderedRect; // Destination pixel coordinates, clipped
QRectF m_sourceTextureRect; // Source texture coordinates
};
namespace {
inline bool qIsDefaultAspect(int o)
{
return (o % 180) == 0;
}
/*
* Return the orientation normalized to 0-359
*/
inline int qNormalizedOrientation(int o)
{
// Negative orientations give negative results
int o2 = o % 360;
if (o2 < 0)
o2 += 360;
return o2;
}
}
QT_END_NAMESPACE
#endif
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