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Diffstat (limited to 'tests/auto/qaudioinput/wavheader.cpp')
| -rwxr-xr-x | tests/auto/qaudioinput/wavheader.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/tests/auto/qaudioinput/wavheader.cpp b/tests/auto/qaudioinput/wavheader.cpp deleted file mode 100755 index 26fcd6f..0000000 --- a/tests/auto/qaudioinput/wavheader.cpp +++ /dev/null @@ -1,205 +0,0 @@ -/**************************************************************************** -** -** 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. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/qendian.h> -#include "wavheader.h" - - -struct chunk -{ - char id[4]; - quint32 size; -}; - -struct RIFFHeader -{ - chunk descriptor; // "RIFF" - char type[4]; // "WAVE" -}; - -struct WAVEHeader -{ - chunk descriptor; - quint16 audioFormat; - quint16 numChannels; - quint32 sampleRate; - quint32 byteRate; - quint16 blockAlign; - quint16 bitsPerSample; -}; - -struct DATAHeader -{ - chunk descriptor; -}; - -struct CombinedHeader -{ - RIFFHeader riff; - WAVEHeader wave; - DATAHeader data; -}; - -static const int HeaderLength = sizeof(CombinedHeader); - - -WavHeader::WavHeader(const QAudioFormat &format, qint64 dataLength) - : m_format(format) - , m_dataLength(dataLength) -{ - -} - -bool WavHeader::read(QIODevice &device) -{ - bool result = true; - - if (!device.isSequential()) - result = device.seek(0); - // else, assume that current position is the start of the header - - if (result) { - CombinedHeader header; - result = (device.read(reinterpret_cast<char *>(&header), HeaderLength) == HeaderLength); - if (result) { - if ((memcmp(&header.riff.descriptor.id, "RIFF", 4) == 0 - || memcmp(&header.riff.descriptor.id, "RIFX", 4) == 0) - && memcmp(&header.riff.type, "WAVE", 4) == 0 - && memcmp(&header.wave.descriptor.id, "fmt ", 4) == 0 - && header.wave.audioFormat == 1 // PCM - ) { - if (memcmp(&header.riff.descriptor.id, "RIFF", 4) == 0) - m_format.setByteOrder(QAudioFormat::LittleEndian); - else - m_format.setByteOrder(QAudioFormat::BigEndian); - - m_format.setChannels(qFromLittleEndian<quint16>(header.wave.numChannels)); - m_format.setCodec("audio/pcm"); - m_format.setFrequency(qFromLittleEndian<quint32>(header.wave.sampleRate)); - m_format.setSampleSize(qFromLittleEndian<quint16>(header.wave.bitsPerSample)); - - switch(header.wave.bitsPerSample) { - case 8: - m_format.setSampleType(QAudioFormat::UnSignedInt); - break; - case 16: - m_format.setSampleType(QAudioFormat::SignedInt); - break; - default: - result = false; - } - - m_dataLength = device.size() - HeaderLength; - } else { - result = false; - } - } - } - - return result; -} - -bool WavHeader::write(QIODevice &device) -{ - CombinedHeader header; - - memset(&header, 0, HeaderLength); - - // RIFF header - if (m_format.byteOrder() == QAudioFormat::LittleEndian) - memcpy(header.riff.descriptor.id,"RIFF",4); - else - memcpy(header.riff.descriptor.id,"RIFX",4); - qToLittleEndian<quint32>(quint32(m_dataLength + HeaderLength - 8), - reinterpret_cast<unsigned char*>(&header.riff.descriptor.size)); - memcpy(header.riff.type, "WAVE",4); - - // WAVE header - memcpy(header.wave.descriptor.id,"fmt ",4); - qToLittleEndian<quint32>(quint32(16), - reinterpret_cast<unsigned char*>(&header.wave.descriptor.size)); - qToLittleEndian<quint16>(quint16(1), - reinterpret_cast<unsigned char*>(&header.wave.audioFormat)); - qToLittleEndian<quint16>(quint16(m_format.channels()), - reinterpret_cast<unsigned char*>(&header.wave.numChannels)); - qToLittleEndian<quint32>(quint32(m_format.frequency()), - reinterpret_cast<unsigned char*>(&header.wave.sampleRate)); - qToLittleEndian<quint32>(quint32(m_format.frequency() * m_format.channels() * m_format.sampleSize() / 8), - reinterpret_cast<unsigned char*>(&header.wave.byteRate)); - qToLittleEndian<quint16>(quint16(m_format.channels() * m_format.sampleSize() / 8), - reinterpret_cast<unsigned char*>(&header.wave.blockAlign)); - qToLittleEndian<quint16>(quint16(m_format.sampleSize()), - reinterpret_cast<unsigned char*>(&header.wave.bitsPerSample)); - - // DATA header - memcpy(header.data.descriptor.id,"data",4); - qToLittleEndian<quint32>(quint32(m_dataLength), - reinterpret_cast<unsigned char*>(&header.data.descriptor.size)); - - return (device.write(reinterpret_cast<const char *>(&header), HeaderLength) == HeaderLength); -} - -const QAudioFormat& WavHeader::format() const -{ - return m_format; -} - -qint64 WavHeader::dataLength() const -{ - return m_dataLength; -} - -qint64 WavHeader::headerLength() -{ - return HeaderLength; -} - -bool WavHeader::writeDataLength(QIODevice &device, qint64 dataLength) -{ - bool result = false; - if (!device.isSequential()) { - device.seek(40); - unsigned char dataLengthLE[4]; - qToLittleEndian<quint32>(quint32(dataLength), dataLengthLE); - result = (device.write(reinterpret_cast<const char *>(dataLengthLE), 4) == 4); - } - return result; -} |