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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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 QABSTRACTVIDEOBUFFER_H
#define QABSTRACTVIDEOBUFFER_H
#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtMultimedia/qmultimedia.h>
#include <QtCore/qmetatype.h>
QT_BEGIN_NAMESPACE
class QVariant;
class QAbstractVideoBufferPrivate;
class Q_MULTIMEDIA_EXPORT QAbstractVideoBuffer
{
public:
enum HandleType
{
NoHandle,
GLTextureHandle,
MTLTextureHandle,
XvShmImageHandle,
CoreImageHandle,
QPixmapHandle,
EGLImageHandle,
UserHandle = 1000
};
enum MapMode
{
NotMapped = 0x00,
ReadOnly = 0x01,
WriteOnly = 0x02,
ReadWrite = ReadOnly | WriteOnly
};
QAbstractVideoBuffer(HandleType type);
virtual ~QAbstractVideoBuffer();
virtual void release();
HandleType handleType() const;
struct MapData
{
qsizetype nBytes = 0;
int nPlanes = 0;
int bytesPerLine[4] = {};
uchar *data[4] = {};
};
virtual MapMode mapMode() const = 0;
virtual MapData map(MapMode mode) = 0;
virtual void unmap() = 0;
virtual QVariant handle() const;
protected:
QAbstractVideoBuffer(QAbstractVideoBufferPrivate &dd, HandleType type);
QAbstractVideoBufferPrivate *d_ptr = nullptr; // currently unused
HandleType m_type;
private:
Q_DISABLE_COPY(QAbstractVideoBuffer)
};
#ifndef QT_NO_DEBUG_STREAM
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::HandleType);
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAbstractVideoBuffer::MapMode);
#endif
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QAbstractVideoBuffer::HandleType)
Q_DECLARE_METATYPE(QAbstractVideoBuffer::MapMode)
#endif
|