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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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
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