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Diffstat (limited to 'tests/auto/qaudiooutput/wavheader.h')
-rwxr-xr-x | tests/auto/qaudiooutput/wavheader.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/tests/auto/qaudiooutput/wavheader.h b/tests/auto/qaudiooutput/wavheader.h new file mode 100755 index 000000000..5212eca67 --- /dev/null +++ b/tests/auto/qaudiooutput/wavheader.h @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** 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 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 + |