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
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** 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 QAUDIOFORMAT_H
#define QAUDIOFORMAT_H
#include <QtCore/qobject.h>
#include <QtCore/qshareddata.h>
#include <QtMultimedia/qtmultimediadefs.h>
#include <QtMultimedia/qmultimedia.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QAudioFormatPrivate;
class Q_MULTIMEDIA_EXPORT QAudioFormat
{
public:
enum SampleType { Unknown, SignedInt, UnSignedInt, Float };
enum Endian { BigEndian = QSysInfo::BigEndian, LittleEndian = QSysInfo::LittleEndian };
QAudioFormat();
QAudioFormat(const QAudioFormat &other);
~QAudioFormat();
QAudioFormat& operator=(const QAudioFormat &other);
bool operator==(const QAudioFormat &other) const;
bool operator!=(const QAudioFormat &other) const;
bool isValid() const;
void setSampleRate(int sampleRate);
int sampleRate() const;
void setChannelCount(int channelCount);
int channelCount() const;
void setSampleSize(int sampleSize);
int sampleSize() const;
void setCodec(const QString &codec);
QString codec() const;
void setByteOrder(QAudioFormat::Endian byteOrder);
QAudioFormat::Endian byteOrder() const;
void setSampleType(QAudioFormat::SampleType sampleType);
QAudioFormat::SampleType sampleType() const;
// Helper functions
qint32 bytesForDuration(qint64 duration) const;
qint64 durationForBytes(qint32 byteCount) const;
qint32 bytesForFrames(qint32 frameCount) const;
qint32 framesForBytes(qint32 byteCount) const;
qint32 framesForDuration(qint64 duration) const;
qint64 durationForFrames(qint32 frameCount) const;
int bytesPerFrame() const;
private:
QSharedDataPointer<QAudioFormatPrivate> d;
};
#ifndef QT_NO_DEBUG_STREAM
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, const QAudioFormat &);
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAudioFormat::SampleType);
Q_MULTIMEDIA_EXPORT QDebug operator<<(QDebug, QAudioFormat::Endian);
#endif
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QAudioFormat)
Q_DECLARE_METATYPE(QAudioFormat::SampleType)
Q_DECLARE_METATYPE(QAudioFormat::Endian)
QT_END_HEADER
#endif // QAUDIOFORMAT_H
|
