void tst_QWaveDecoder::readAllAtOnce()
{
QFile stream;
stream.setFileName(testFilePath("isawav_2_8_44100.wav"));
stream.open(QIODevice::ReadOnly);
QVERIFY(stream.isOpen());
QWaveDecoder waveDecoder(&stream);
QSignalSpy validFormatSpy(&waveDecoder, SIGNAL(formatKnown()));
QTRY_COMPARE(validFormatSpy.count(), 1);
QVERIFY(waveDecoder.size() > 0);
QByteArray buffer;
buffer.resize(waveDecoder.size());
qint64 readSize = waveDecoder.read(buffer.data(), waveDecoder.size());
QVERIFY(readSize == waveDecoder.size());
readSize = waveDecoder.read(buffer.data(), 1);
QVERIFY(readSize == 0);
stream.close();
}
void QSoundEffectPrivate::loadSample()
{
m_sampleLoaded = false;
m_dataUploaded = 0;
m_waveDecoder = new WaveDecoder(m_stream);
connect(m_waveDecoder, SIGNAL(formatKnown()), SLOT(decoderReady()));
connect(m_waveDecoder, SIGNAL(invalidFormat()), SLOT(decoderError()));
}
void tst_QWaveDecoder::file()
{
QFETCH(QString, file);
QFETCH(tst_QWaveDecoder::Corruption, corruption);
QFETCH(int, channels);
QFETCH(int, samplesize);
QFETCH(int, samplerate);
QFETCH(QAudioFormat::Endian, byteorder);
QFile stream;
stream.setFileName(file);
stream.open(QIODevice::ReadOnly);
QVERIFY(stream.isOpen());
QWaveDecoder waveDecoder(&stream);
QSignalSpy validFormatSpy(&waveDecoder, SIGNAL(formatKnown()));
QSignalSpy parsingErrorSpy(&waveDecoder, SIGNAL(parsingError()));
if (corruption == NotAWav) {
QSKIP("Not all failures detected correctly yet");
QTRY_COMPARE(parsingErrorSpy.count(), 1);
QCOMPARE(validFormatSpy.count(), 0);
} else if (corruption == NoSampleData) {
QTRY_COMPARE(validFormatSpy.count(), 1);
QCOMPARE(parsingErrorSpy.count(), 0);
QVERIFY(waveDecoder.audioFormat().isValid());
QVERIFY(waveDecoder.size() == 0);
QVERIFY(waveDecoder.duration() == 0);
} else if (corruption == FormatDescriptor) {
QTRY_COMPARE(parsingErrorSpy.count(), 1);
QCOMPARE(validFormatSpy.count(), 0);
} else if (corruption == FormatString) {
QTRY_COMPARE(parsingErrorSpy.count(), 1);
QCOMPARE(validFormatSpy.count(), 0);
QVERIFY(!waveDecoder.audioFormat().isValid());
} else if (corruption == DataDescriptor) {
QTRY_COMPARE(parsingErrorSpy.count(), 1);
QCOMPARE(validFormatSpy.count(), 0);
QVERIFY(waveDecoder.size() == 0);
} else if (corruption == None) {
QTRY_COMPARE(validFormatSpy.count(), 1);
QCOMPARE(parsingErrorSpy.count(), 0);
QVERIFY(waveDecoder.audioFormat().isValid());
QVERIFY(waveDecoder.size() > 0);
QVERIFY(waveDecoder.duration() == 250);
QAudioFormat format = waveDecoder.audioFormat();
QVERIFY(format.isValid());
QVERIFY(format.channelCount() == channels);
QVERIFY(format.sampleSize() == samplesize);
QVERIFY(format.sampleRate() == samplerate);
if (format.sampleSize() != 8) {
QVERIFY(format.byteOrder() == byteorder);
}
}
stream.close();
}
// Called in loading thread
// Essentially a second ctor, doesn't need locks (?)
void QSample::load()
{
Q_ASSERT(QThread::currentThread()->objectName() == "QSampleCache::LoadingThread");
#ifdef QT_SAMPLECACHE_DEBUG
qDebug() << "QSample: load [" << m_url << "]";
#endif
m_stream = m_parent->networkAccessManager().get(QNetworkRequest(m_url));
connect(m_stream, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(decoderError()));
m_waveDecoder = new QWaveDecoder(m_stream);
connect(m_waveDecoder, SIGNAL(formatKnown()), SLOT(decoderReady()));
connect(m_waveDecoder, SIGNAL(invalidFormat()), SLOT(decoderError()));
connect(m_waveDecoder, SIGNAL(readyRead()), SLOT(readSample()));
}
void WaveDecoder::handleData()
{
if (source->bytesAvailable() < qint64(sizeof(CombinedHeader) + sizeof(DATAHeader) + sizeof(quint16)))
return;
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
source->read((char*)&header, sizeof(CombinedHeader));
if (qstrncmp(header.riff.descriptor.id, "RIFF", 4) != 0 ||
qstrncmp(header.riff.type, "WAVE", 4) != 0 ||
qstrncmp(header.wave.descriptor.id, "fmt ", 4) != 0 ||
(header.wave.audioFormat != 0 && header.wave.audioFormat != 1)) {
emit invalidFormat();
}
else {
DATAHeader dataHeader;
if (qFromLittleEndian<quint32>(header.wave.descriptor.size) > sizeof(WAVEHeader)) {
// Extended data available
quint16 extraFormatBytes;
source->peek((char*)&extraFormatBytes, sizeof(quint16));
extraFormatBytes = qFromLittleEndian<quint16>(extraFormatBytes);
source->read(sizeof(quint16) + extraFormatBytes); // dump it all
}
source->read((char*)&dataHeader, sizeof(DATAHeader));
int bps = qFromLittleEndian<quint16>(header.wave.bitsPerSample);
format.setCodec(QLatin1String("audio/pcm"));
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setFrequency(qFromLittleEndian<quint32>(header.wave.sampleRate));
format.setSampleSize(bps);
format.setChannels(qFromLittleEndian<quint16>(header.wave.numChannels));
dataSize = qFromLittleEndian<quint32>(dataHeader.descriptor.size);
haveFormat = true;
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
emit formatKnown();
}
}
void tst_QWaveDecoder::readPerByte()
{
QFile stream;
stream.setFileName(testFilePath("isawav_2_8_44100.wav"));
stream.open(QIODevice::ReadOnly);
QVERIFY(stream.isOpen());
QWaveDecoder waveDecoder(&stream);
QSignalSpy validFormatSpy(&waveDecoder, SIGNAL(formatKnown()));
QTRY_COMPARE(validFormatSpy.count(), 1);
QVERIFY(waveDecoder.size() > 0);
qint64 readSize = 0;
char buf;
for (int ii = 0; ii < waveDecoder.size(); ++ii)
readSize += waveDecoder.read(&buf, 1);
QVERIFY(readSize == waveDecoder.size());
QVERIFY(waveDecoder.read(&buf,1) == 0);
stream.close();
}
void QWaveDecoder::handleData()
{
// As a special "state", if we have junk to skip, we do
if (junkToSkip > 0) {
discardBytes(junkToSkip); // this also updates junkToSkip
// If we couldn't skip all the junk, return
if (junkToSkip > 0) {
// We might have run out
if (source->atEnd())
parsingFailed();
return;
}
}
if (state == QWaveDecoder::InitialState) {
if (source->bytesAvailable() < qint64(sizeof(RIFFHeader)))
return;
RIFFHeader riff;
source->read(reinterpret_cast<char *>(&riff), sizeof(RIFFHeader));
// RIFF = little endian RIFF, RIFX = big endian RIFF
if (((qstrncmp(riff.descriptor.id, "RIFF", 4) != 0) && (qstrncmp(riff.descriptor.id, "RIFX", 4) != 0))
|| qstrncmp(riff.type, "WAVE", 4) != 0) {
parsingFailed();
return;
} else {
state = QWaveDecoder::WaitingForFormatState;
if (qstrncmp(riff.descriptor.id, "RIFX", 4) == 0)
bigEndian = true;
else
bigEndian = false;
}
}
if (state == QWaveDecoder::WaitingForFormatState) {
if (findChunk("fmt ")) {
chunk descriptor;
peekChunk(&descriptor);
quint32 rawChunkSize = descriptor.size + sizeof(chunk);
if (source->bytesAvailable() < qint64(rawChunkSize))
return;
WAVEHeader wave;
source->read(reinterpret_cast<char *>(&wave), sizeof(WAVEHeader));
if (rawChunkSize > sizeof(WAVEHeader))
discardBytes(rawChunkSize - sizeof(WAVEHeader));
// Swizzle this
if (bigEndian) {
wave.audioFormat = qFromBigEndian<quint16>(wave.audioFormat);
} else {
wave.audioFormat = qFromLittleEndian<quint16>(wave.audioFormat);
}
if (wave.audioFormat != 0 && wave.audioFormat != 1) {
// 32bit wave files have format == 0xFFFE (WAVE_FORMAT_EXTENSIBLE).
// but don't support them at the moment.
parsingFailed();
return;
} else {
format.setCodec(QLatin1String("audio/pcm"));
if (bigEndian) {
int bps = qFromBigEndian<quint16>(wave.bitsPerSample);
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::BigEndian);
format.setSampleRate(qFromBigEndian<quint32>(wave.sampleRate));
format.setSampleSize(bps);
format.setChannelCount(qFromBigEndian<quint16>(wave.numChannels));
} else {
int bps = qFromLittleEndian<quint16>(wave.bitsPerSample);
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleRate(qFromLittleEndian<quint32>(wave.sampleRate));
format.setSampleSize(bps);
format.setChannelCount(qFromLittleEndian<quint16>(wave.numChannels));
}
state = QWaveDecoder::WaitingForDataState;
}
}
}
if (state == QWaveDecoder::WaitingForDataState) {
if (findChunk("data")) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
chunk descriptor;
source->read(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
if (bigEndian)
descriptor.size = qFromBigEndian<quint32>(descriptor.size);
else
descriptor.size = qFromLittleEndian<quint32>(descriptor.size);
dataSize = descriptor.size;
haveFormat = true;
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
emit formatKnown();
return;
}
}
// If we hit the end without finding data, it's a parsing error
if (source->atEnd()) {
parsingFailed();
}
}
void QWaveDecoder::handleData()
{
if (state == QWaveDecoder::InitialState) {
if (source->bytesAvailable() < qint64(sizeof(RIFFHeader)))
return;
RIFFHeader riff;
source->read(reinterpret_cast<char *>(&riff), sizeof(RIFFHeader));
if (qstrncmp(riff.descriptor.id, "RIFF", 4) != 0 ||
qstrncmp(riff.type, "WAVE", 4) != 0) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit invalidFormat();
return;
} else {
state = QWaveDecoder::WaitingForFormatState;
}
}
if (state == QWaveDecoder::WaitingForFormatState) {
if (findChunk("fmt ")) {
chunk descriptor;
source->peek(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
if (source->bytesAvailable() < qint64(descriptor.size + sizeof(chunk)))
return;
WAVEHeader wave;
source->read(reinterpret_cast<char *>(&wave), sizeof(WAVEHeader));
if (descriptor.size > sizeof(WAVEHeader))
discardBytes(descriptor.size - sizeof(WAVEHeader));
if (wave.audioFormat != 0 && wave.audioFormat != 1) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit invalidFormat();
return;
} else {
int bps = qFromLittleEndian<quint16>(wave.bitsPerSample);
format.setCodec(QLatin1String("audio/pcm"));
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setFrequency(qFromLittleEndian<quint32>(wave.sampleRate));
format.setSampleSize(bps);
format.setChannels(qFromLittleEndian<quint16>(wave.numChannels));
state = QWaveDecoder::WaitingForDataState;
}
}
}
if (state == QWaveDecoder::WaitingForDataState) {
if (findChunk("data")) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
chunk descriptor;
source->read(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
dataSize = descriptor.size;
haveFormat = true;
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
emit formatKnown();
return;
}
}
if (source->atEnd()) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit invalidFormat();
return;
}
}
