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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 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 QDECLARATIVEVIDEOOUTPUT_P_H
#define QDECLARATIVEVIDEOOUTPUT_P_H
#include <QtCore/QRectF>
#include <QtQuick/QQuickItem>
#include <QtMultimedia/qvideoframe.h>
#include <QtMultimedia/qmediaobject.h>
#include <QtCore/qsharedpointer.h>
#include <QtCore/qmutex.h>
#include <private/qsgvideonode_p.h>
QT_BEGIN_NAMESPACE
class QSGVideoItemSurface;
class QVideoRendererControl;
class QMediaService;
class QVideoSurfaceFormat;
class QDeclarativeVideoOutput : public QQuickItem
{
Q_OBJECT
Q_DISABLE_COPY(QDeclarativeVideoOutput)
Q_PROPERTY(QObject* source READ source WRITE setSource NOTIFY sourceChanged)
Q_PROPERTY(FillMode fillMode READ fillMode WRITE setFillMode NOTIFY fillModeChanged)
Q_PROPERTY(int orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
Q_PROPERTY(QRectF sourceRect READ sourceRect NOTIFY sourceRectChanged)
Q_PROPERTY(QRectF contentRect READ contentRect NOTIFY contentRectChanged)
Q_ENUMS(FillMode)
public:
enum FillMode
{
Stretch = Qt::IgnoreAspectRatio,
PreserveAspectFit = Qt::KeepAspectRatio,
PreserveAspectCrop = Qt::KeepAspectRatioByExpanding
};
QDeclarativeVideoOutput(QQuickItem *parent = 0);
~QDeclarativeVideoOutput();
QObject *source() const { return m_source.data(); }
void setSource(QObject *source);
FillMode fillMode() const;
void setFillMode(FillMode mode);
int orientation() const;
void setOrientation(int);
QRectF sourceRect() const;
QRectF contentRect() const;
Q_INVOKABLE QPointF mapPointToItem(const QPointF &point) const;
Q_INVOKABLE QRectF mapRectToItem(const QRectF &rectangle) const;
Q_INVOKABLE QPointF mapNormalizedPointToItem(const QPointF &point) const;
Q_INVOKABLE QRectF mapNormalizedRectToItem(const QRectF &rectangle) const;
Q_INVOKABLE QPointF mapPointToSource(const QPointF &point) const;
Q_INVOKABLE QRectF mapRectToSource(const QRectF &rectangle) const;
Q_INVOKABLE QPointF mapPointToSourceNormalized(const QPointF &point) const;
Q_INVOKABLE QRectF mapRectToSourceNormalized(const QRectF &rectangle) const;
Q_SIGNALS:
void sourceChanged();
void fillModeChanged(QDeclarativeVideoOutput::FillMode);
void orientationChanged();
void sourceRectChanged();
void contentRectChanged();
protected:
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
private Q_SLOTS:
void _q_updateMediaObject();
void _q_updateNativeSize(const QVideoSurfaceFormat&);
void _q_updateGeometry();
private:
enum SourceType {
NoSource,
MediaObjectSource,
VideoSurfaceSource
};
void present(const QVideoFrame &frame);
void stop();
friend class QSGVideoItemSurface;
SourceType m_sourceType;
QWeakPointer<QObject> m_source;
QWeakPointer<QMediaObject> m_mediaObject;
QWeakPointer<QMediaService> m_service;
QWeakPointer<QVideoRendererControl> m_rendererControl;
QList<QSGVideoNodeFactory*> m_videoNodeFactories;
QSGVideoItemSurface *m_surface;
QVideoFrame m_frame;
FillMode m_fillMode;
QSize m_nativeSize;
bool m_geometryDirty;
QRectF m_lastSize; // Cache of last size to avoid recalculating geometry
QRectF m_renderedRect; // Destination pixel coordinates, clipped
QRectF m_contentRect; // Destination pixel coordinates, unclipped
QRectF m_sourceTextureRect; // Source texture coordinates
int m_orientation;
QMutex m_frameMutex;
};
QT_END_NAMESPACE
#endif // QDECLARATIVEVIDEOOUTPUT_H
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