1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/legal
**
** 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 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 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, 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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEVIDEOOUTPUT_P_H
#define QDECLARATIVEVIDEOOUTPUT_P_H
#include <QtCore/qrect.h>
#include <QtCore/qsharedpointer.h>
#include <QtQuick/qquickitem.h>
#include <QtCore/qpointer.h>
QT_BEGIN_NAMESPACE
class QMediaObject;
class QMediaService;
class QDeclarativeVideoBackend;
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;
enum SourceType {
NoSource,
MediaObjectSource,
VideoSurfaceSource
};
SourceType sourceType() const;
Q_SIGNALS:
void sourceChanged();
void fillModeChanged(QDeclarativeVideoOutput::FillMode);
void orientationChanged();
void sourceRectChanged();
void contentRectChanged();
protected:
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
void itemChange(ItemChange change, const ItemChangeData &changeData);
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
private Q_SLOTS:
void _q_updateMediaObject();
void _q_updateNativeSize();
void _q_updateGeometry();
private:
bool createBackend(QMediaService *service);
SourceType m_sourceType;
QPointer<QObject> m_source;
QPointer<QMediaObject> m_mediaObject;
QPointer<QMediaService> m_service;
FillMode m_fillMode;
QSize m_nativeSize;
bool m_geometryDirty;
QRectF m_lastRect; // Cache of last rect to avoid recalculating geometry
QRectF m_contentRect; // Destination pixel coordinates, unclipped
int m_orientation;
QScopedPointer<QDeclarativeVideoBackend> m_backend;
};
QT_END_NAMESPACE
#endif // QDECLARATIVEVIDEOOUTPUT_H
|
