blob: db5fd4cc991bde68e869669a20ec7c2a0209e2bd (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite 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 WAVHEADER_H
#define WAVHEADER_H
#include <QtCore/qobject.h>
#include <QtCore/qfile.h>
#include <qaudioformat.h>
/**
* Helper class for parsing WAV file headers.
*
* See https://ccrma.stanford.edu/courses/422/projects/WaveFormat/
*/
class WavHeader
{
public:
WavHeader(const QAudioFormat &format = QAudioFormat(),
qint64 dataLength = 0);
// Reads WAV header and seeks to start of data
bool read(QIODevice &device);
// Writes WAV header
bool write(QIODevice &device);
const QAudioFormat& format() const;
qint64 dataLength() const;
static qint64 headerLength();
static bool writeDataLength(QIODevice &device, qint64 dataLength);
private:
QAudioFormat m_format;
qint64 m_dataLength;
};
#endif
|
