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
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMultimedia module 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTVIDEOBUFFER_H
#define QABSTRACTVIDEOBUFFER_H
#include <QtCore/qmetatype.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Multimedia)
class QVariant;
class QAbstractVideoBufferPrivate;
class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer
{
public:
enum HandleType
{
NoHandle,
GLTextureHandle,
XvShmImageHandle,
CoreImageHandle,
QPixmapHandle,
UserHandle = 1000
};
enum MapMode
{
NotMapped = 0x00,
ReadOnly = 0x01,
WriteOnly = 0x02,
ReadWrite = ReadOnly | WriteOnly
};
QAbstractVideoBuffer(HandleType type);
virtual ~QAbstractVideoBuffer();
HandleType handleType() const;
virtual MapMode mapMode() const = 0;
virtual uchar *map(MapMode mode, int *numBytes, int *bytesPerLine) = 0;
virtual void unmap() = 0;
virtual QVariant handle() const;
protected:
QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type);
QAbstractVideoBufferPrivate *d_ptr;
private:
Q_DECLARE_PRIVATE(QAbstractVideoBuffer)
Q_DISABLE_COPY(QAbstractVideoBuffer)
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType)
Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode)
QT_END_HEADER
#endif
|
