void SoundInput::start(qint32 device)
{
stop();
//---------------------------------------------------- Soundcard Setup
m_callbackData.kin=0; //Buffer pointer
m_callbackData.ncall=0; //Number of callbacks
m_callbackData.bzero=false; //Flag to request reset of kin
m_callbackData.monitoring=m_monitoring;
//### Temporary: hardwired device selection
QAudioDeviceInfo DeviceInfo;
QList<QAudioDeviceInfo> m_InDevices;
QAudioDeviceInfo m_InDeviceInfo;
m_InDevices = DeviceInfo.availableDevices(QAudio::AudioInput);
inputDevice = m_InDevices.at(0);
//###
// qDebug() << "B" << m_InDevices.length() << inputDevice.deviceName();
const char* pcmCodec = "audio/pcm";
QAudioFormat audioFormat = inputDevice.preferredFormat();
audioFormat.setChannelCount(1);
audioFormat.setCodec(pcmCodec);
audioFormat.setSampleRate(12000);
audioFormat.setSampleType(QAudioFormat::SignedInt);
audioFormat.setSampleSize(16);
// qDebug() << "C" << audioFormat << audioFormat.isValid();
if (!audioFormat.isValid()) {
emit error(tr("Requested audio format is not available."));
return;
}
audioInput = new QAudioInput(inputDevice, audioFormat);
// qDebug() << "D" << audioInput->error() << QAudio::NoError;
if (audioInput->error() != QAudio::NoError) {
emit error(reportAudioError(audioInput->error()));
return;
}
stream = audioInput->start();
// qDebug() << "E" << stream->errorString();
m_ntr0 = 99; // initial value higher than any expected
m_nBusy = 0;
m_intervalTimer.start(100);
m_ms0 = QDateTime::currentMSecsSinceEpoch();
m_nsps0 = 0;
}
Demo::Demo(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::Demo)
{
ui->setupUi(this);
//create pointers
QJFastFIRFilter *fastfir;
QJSlowFIRFilter *slowfir;
//create fast fir LPF
fastfir = new QJFastFIRFilter(this);
fastfir->setKernel(QJFilterDesign::LowPassHanning(800,48000,1001));
//create slow fir LPF
slowfir = new QJSlowFIRFilter(this);
slowfir->setKernel(QJFilterDesign::LowPassHanning(800,48000,1001));
//make some data
QVector<kffsamp_t> buf;
buf.resize(48000*10);
//time slow fir
timer.start();
slowfir->Update(buf);
nMilliseconds = timer.elapsed();
ui->plainTextEdit->appendPlainText(((QString)"Slow FIR took %1 ms for %2 double samples with a kernel of 1001 samples").arg(nMilliseconds).arg(buf.size()));
//time fast fir
timer.start();
fastfir->Update(buf);
nMilliseconds = timer.elapsed();
ui->plainTextEdit->appendPlainText(((QString)"Fast FIR took %1 ms for %2 double samples with a kernel of 1001 samples").arg(nMilliseconds).arg(buf.size()));
//use the fast fir to LPF some random samples and output them to the sound card
ui->plainTextEdit->appendPlainText("Outputting 800Hz low pass filtered random samples to the soundcard using the fast fir");
QAudioFormat format;
format.setChannelCount(1);
format.setCodec("audio/pcm");
format.setSampleRate(48000);
format.setSampleSize(16);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
generator = new Generator(format, this);
QAudioOutput *audiooutput = new QAudioOutput(format, this);
generator->start();
audiooutput->start(generator);
}
void InitializeAudio()
{
m_format.setSampleRate(SampleRate); //set frequency to 44100
m_format.setChannelCount(1); //set channels to mono
m_format.setSampleSize(16); //set sample sze to 16 bit
m_format.setSampleType(QAudioFormat::SignedInt ); //Sample type as usigned integer sample UnSignedInt
m_format.setByteOrder(QAudioFormat::LittleEndian); //Byte order
m_format.setCodec("audio/pcm"); //set codec as simple audio/pcm
QAudioDeviceInfo infoIn(QAudioDeviceInfo::defaultInputDevice());
if (!infoIn.isFormatSupported(m_format))
{
//Default format not supported - trying to use nearest
m_format = infoIn.nearestFormat(m_format);
}
QAudioDeviceInfo infoOut(QAudioDeviceInfo::defaultOutputDevice());
if (!infoOut.isFormatSupported(m_format))
{
//Default format not supported - trying to use nearest
m_format = infoOut.nearestFormat(m_format);
}
m_audioInput = new QAudioInput(m_Inputdevice, m_format);
m_audioOutput = new QAudioOutput(m_Outputdevice, m_format);
}
void xmppClient::slotAudioModeChanged(QIODevice::OpenMode mode)
{
QXmppCall *call = qobject_cast<QXmppCall*>(sender());
Q_ASSERT(call);
QXmppRtpAudioChannel *channel = call->audioChannel();
// prepare audio format
QAudioFormat format;
format.setSampleRate(channel->payloadType().clockrate());
format.setChannelCount(channel->payloadType().channels());
format.setSampleSize(16);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
// the size in bytes of the audio buffers to/from sound devices
// 160 ms seems to be the minimum to work consistently on Linux/Mac/Windows
const int bufferSize = (format.sampleRate() * format.channelCount() * (format.sampleSize() / 8) * 160) / 1000;
if (mode & QIODevice::ReadOnly) {
// initialise audio output
QAudioOutput *audioOutput = new QAudioOutput(format, this);
audioOutput->setBufferSize(bufferSize);
audioOutput->start(channel);
}
if (mode & QIODevice::WriteOnly) {
// initialise audio input
QAudioInput *audioInput = new QAudioInput(format, this);
audioInput->setBufferSize(bufferSize);
audioInput->start(channel);
}
}
void Airplay :: start()
{
// read the airplay pipe
file.setFileName("/tmp/shairport-sync-pipe");
file.open(QIODevice::ReadOnly);
// set the audio format
// https://github.com/mikebrady/shairport-sync/issues/126
// Playing raw data 'stdin' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
QAudioFormat format;
format.setSampleRate(44100); // rate
format.setChannelCount(2); // stereo
format.setCodec("audio/pcm"); // raw
format.setSampleSize(16); // 16 bit
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
// check format is supported
if (!deviceInfo.isFormatSupported(format))
qWarning() << "Output format not supported";
// connect signals
audio = new QAudioOutput(deviceInfo, format, this);
connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(handleStateChange(QAudio::State)));
// start playing
audio->start(&file);
}
BeatController::BeatController(QAudioDeviceInfo inputDevice, uint16_t recordSize, uint32_t sampleRate, uint16_t m_bandCount, QObject *parent) : QObject(parent)
{
m_RecordSize = recordSize;
m_Buffer = new SoundBuffer(recordSize);
m_Analyser = new BeatAnalyser(m_bandCount,sampleRate,recordSize);
m_inputDevice = QAudioDeviceInfo(inputDevice);
m_FFT = new FFT(recordSize);
m_FFT->setSoundBuffer(m_Buffer);
m_Analyser->setFFT(m_FFT);
QAudioFormat audioFormat;
audioFormat.setSampleRate(sampleRate);
audioFormat.setChannelCount(1);
audioFormat.setSampleSize(16);
audioFormat.setSampleType(QAudioFormat::SignedInt);
audioFormat.setByteOrder(QAudioFormat::LittleEndian);
audioFormat.setCodec("audio/pcm");
//QAudioDeviceInfo info(QAudioDeviceInfo::defaultInputDevice());
if (!m_inputDevice.isFormatSupported(audioFormat)) {
qWarning() << "Default format not supported - trying to use nearest";
audioFormat = m_inputDevice.nearestFormat(audioFormat);
}
m_audioInput = new QAudioInput(m_inputDevice, audioFormat, this);
m_ioDevice = m_audioInput->start();
connect(m_ioDevice, SIGNAL(readyRead()), this, SLOT(readAudio()));
}
int CRecordData::StartRecord(bool bIsSection)
{
if(true == bIsSection)
{
}
else
{
SetNumofRecDatSec(0);
// 初始化一个buffer储存raw数据
QBuffer* bufRecord = new QBuffer();
bufRecord->open( QIODevice::WriteOnly | QIODevice::Truncate );
SetRecDatSec(m_iNumOfRecDatSec, bufRecord);
SetNumofRecDatSec(m_iNumOfRecDatSec+1);
// 设置录音格式
QAudioFormat format;
format.setSampleRate(8000);
format.setChannelCount(1);
format.setSampleSize(8);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
// 设置录音设备
audioInput = new QAudioInput(format, this);
audioInput->start(bufRecord);
}
}
void AudioProcessorQt::start() {
if (!input()) {
return;
}
if (!m_device) {
m_device = new AudioDevice(this);
}
if (!m_audioOutput) {
QAudioFormat format;
format.setSampleRate(44100);
format.setChannelCount(2);
format.setSampleSize(16);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
m_audioOutput = new QAudioOutput(format, this);
m_audioOutput->setCategory("game");
}
m_device->setInput(input());
m_device->setFormat(m_audioOutput->format());
m_audioOutput->setBufferSize(input()->audioBuffers * 4);
m_audioOutput->start(m_device);
}
void QSpotifyAudioThreadWorker::startStreaming(int channels, int sampleRate)
{
qDebug() << "QSpotifyAudioThreadWorker::startStreaming";
if (!m_audioOutput) {
QAudioFormat af;
af.setChannelCount(channels);
af.setCodec("audio/pcm");
af.setSampleRate(sampleRate);
af.setSampleSize(16);
af.setSampleType(QAudioFormat::SignedInt);
QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
if (!info.isFormatSupported(af)) {
QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
for (int i = 0; i < devices.size(); i++) {
QAudioDeviceInfo dev = devices[i];
qWarning() << dev.deviceName();
}
QCoreApplication::postEvent(QSpotifySession::instance(), new QEvent(QEvent::Type(StopEventType)));
return;
}
m_audioOutput = new QAudioOutput(af);
connect(m_audioOutput, SIGNAL(stateChanged(QAudio::State)), QSpotifySession::instance(), SLOT(audioStateChange(QAudio::State)));
m_audioOutput->setBufferSize(BUF_SIZE);
startAudioOutput();
}
}
void AudioCore::recordAudioSample(int t = 500, bool writeToFile = false)
{
latestSampleDuration = t;
writeSampleToFile = writeToFile;
sampleAudioBuffer.open(QBuffer::ReadWrite);
QAudioFormat format;
// Настраиваем желаемый формат, например:
format.setSampleRate(AudioCore::SampleRate);
format.setSampleSize(8 * AudioCore::SampleSize);
format.setChannelCount(1);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
// ВЫбрать устройство ввода 0:
QAudioDeviceInfo info(QAudioDeviceInfo::availableDevices(QAudio::AudioInput).at(0));
qDebug() << "Selected input device =" << info.deviceName();
if (!info.isFormatSupported(format)) {
qWarning() << "Default format not supported, trying to use the nearest.";
format = info.nearestFormat(format);
}
audio = new QAudioInput(format);
// Очень важно, иначе будут шумы и все картинки ужасно некрасивые.
audio->setVolume(AudioCore::AudioLevel);
connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(handleStateChanged(QAudio::State)));
QTimer::singleShot(t, this, SLOT(stopRecording()));
audio->start(&sampleAudioBuffer);
}
AudioDecoder::AudioDecoder(bool isPlayback, bool isDelete)
: m_cout(stdout, QIODevice::WriteOnly)
{
m_isPlayback = isPlayback;
m_isDelete = isDelete;
// Make sure the data we receive is in correct PCM format.
// Our wav file writer only supports SignedInt sample type.
QAudioFormat format;
format.setChannelCount(2);
format.setSampleSize(16);
format.setSampleRate(48000);
format.setCodec("audio/pcm");
format.setSampleType(QAudioFormat::SignedInt);
m_decoder.setAudioFormat(format);
connect(&m_decoder, SIGNAL(bufferReady()), this, SLOT(bufferReady()));
connect(&m_decoder, SIGNAL(error(QAudioDecoder::Error)), this, SLOT(error(QAudioDecoder::Error)));
connect(&m_decoder, SIGNAL(stateChanged(QAudioDecoder::State)), this, SLOT(stateChanged(QAudioDecoder::State)));
connect(&m_decoder, SIGNAL(finished()), this, SLOT(finished()));
connect(&m_decoder, SIGNAL(positionChanged(qint64)), this, SLOT(updateProgress()));
connect(&m_decoder, SIGNAL(durationChanged(qint64)), this, SLOT(updateProgress()));
connect(&m_soundEffect, SIGNAL(statusChanged()), this, SLOT(playbackStatusChanged()));
connect(&m_soundEffect, SIGNAL(playingChanged()), this, SLOT(playingChanged()));
m_progress = -1.0;
}
int test_2()
{
qyvlik::FFmpegStream* ffmpegStream = new qyvlik::FFmpegStream();
QAudioFormat format;
// Set up the format, eg.
format.setSampleRate(44100);
format.setChannelCount(2);
format.setCodec("audio/pcm");
format.setSampleType(QAudioFormat::SignedInt);
format.setSampleSize(16);
format.setByteOrder(QAudioFormat::LittleEndian);
QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
if (!info.isFormatSupported(format)) {
qDebug() << "Raw audio format not supported by backend, cannot play audio.";
return -1;
}
ffmpegStream->setFileName("E:/Test/1.mp3");
QAudioOutput *audio;
audio = new QAudioOutput(format);
audio->start(ffmpegStream);
qDebug() << "Play Finished~";
}
void RtpAudioStream::startPlaying()
{
if (audio_output_) return;
QAudioFormat format;
format.setSampleRate(audio_out_rate_);
format.setSampleSize(sample_bytes_ * 8); // bits
format.setSampleType(QAudioFormat::SignedInt);
format.setChannelCount(1);
format.setCodec("audio/pcm");
// RTP_STREAM_DEBUG("playing %s %d samples @ %u Hz",
// tempfile_->fileName().toUtf8().constData(),
// (int) tempfile_->size(), audio_out_rate_);
audio_output_ = new QAudioOutput(format, this);
audio_output_->setNotifyInterval(65); // ~15 fps
connect(audio_output_, SIGNAL(stateChanged(QAudio::State)), this, SLOT(outputStateChanged()));
connect(audio_output_, SIGNAL(notify()), this, SLOT(outputNotify()));
tempfile_->seek(0);
audio_output_->start(tempfile_);
emit startedPlaying();
// QTBUG-6548 StoppedState is not always emitted on error, force a cleanup
// in case playback fails immediately.
if (audio_output_ && audio_output_->state() == QAudio::StoppedState) {
outputStateChanged();
}
}
void MainWindow::on_pushButton_clicked()
{
QIODevice *QID;
//QID->open( QIODevice::WriteOnly);
QBuffer myQB;
//QID(myQB);
//cb(128000,64000);
//dFile.setFileName("../RecordTest.raw");
microphoneBuffer->open( QIODevice::ReadWrite);
QAudioFormat format;
// Set up the desired format, for example:
format.setSampleRate(16000);
format.setChannelCount(1);
format.setSampleSize(16);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
QAudioDeviceInfo info = QAudioDeviceInfo::defaultInputDevice();
if (!info.isFormatSupported(format))
{
qWarning() << "Default format not supported, trying to use the nearest.";
format = info.nearestFormat(format);
}
audio = new QAudioInput(format, this);
connect(audio, SIGNAL(stateChanged(QAudio::State)), this, SLOT(handleStateChanged(QAudio::State)));
//QTimer::singleShot(5000, this, SLOT(on_pushButton_2_clicked()));
isRecording = true;
audio->start(microphoneBuffer);
}
bool Engine::selectFormat()
{
bool foundSupportedFormat = false;
if (m_file || QAudioFormat() != m_format) {
QAudioFormat format = m_format;
if (m_file)
// Header is read from the WAV file; just need to check whether
// it is supported by the audio output device
format = m_file->fileFormat();
if (m_audioOutputDevice.isFormatSupported(format)) {
setFormat(format);
foundSupportedFormat = true;
}
} else {
QList<int> sampleRatesList;
if (!m_generateTone)
sampleRatesList += m_audioOutputDevice.supportedSampleRates();
sampleRatesList = sampleRatesList.toSet().toList(); // remove duplicates
qSort(sampleRatesList);
ENGINE_DEBUG << "Engine::initialize frequenciesList" << sampleRatesList;
QList<int> channelsList;
channelsList += m_audioOutputDevice.supportedChannelCounts();
channelsList = channelsList.toSet().toList();
qSort(channelsList);
ENGINE_DEBUG << "Engine::initialize channelsList" << channelsList;
QAudioFormat format;
format.setByteOrder(QAudioFormat::LittleEndian);
format.setCodec("audio/pcm");
format.setSampleSize(16);
format.setSampleType(QAudioFormat::SignedInt);
int sampleRate, channels;
foreach (sampleRate, sampleRatesList) {
if (foundSupportedFormat)
break;
format.setSampleRate(sampleRate);
foreach (channels, channelsList) {
format.setChannelCount(channels);
const bool outputSupport = m_audioOutputDevice.isFormatSupported(format);
ENGINE_DEBUG << "Engine::initialize checking " << format
<< "output" << outputSupport;
if (outputSupport)
{
foundSupportedFormat = true;
break;
}
}
}
if (!foundSupportedFormat)
format = QAudioFormat();
setFormat(format);
}
/* sampleRate() API property test. */
void tst_QAudioFormat::checkSampleRate()
{
QAudioFormat audioFormat;
QVERIFY(audioFormat.sampleRate() == -1);
audioFormat.setSampleRate(123);
QVERIFY(audioFormat.sampleRate() == 123);
}
QAudioFormat audioFormat( const int channels, const int sampleRate, AVSampleFormat sampleFormat )
{
QAudioFormat format;
format.setChannelCount( channels );
format.setCodec( "audio/pcm" );
switch (sampleFormat)
{
case AV_SAMPLE_FMT_U8: ///< unsigned 8 bits
format.setSampleSize(8);
format.setSampleType( QAudioFormat::UnSignedInt );
break;
case AV_SAMPLE_FMT_S16: ///< signed 16 bits
format.setSampleSize(16);
format.setSampleType( QAudioFormat::SignedInt );
break;
case AV_SAMPLE_FMT_S32: ///< signed 32 bits
format.setSampleSize(32);
format.setSampleType( QAudioFormat::SignedInt );
break;
case AV_SAMPLE_FMT_FLT: ///< float
format.setSampleSize(16);
format.setSampleType( QAudioFormat::Float );
break;
case AV_SAMPLE_FMT_DBL: ///< double
format.setSampleSize(32);
format.setSampleType( QAudioFormat::Float );
break;
case AV_SAMPLE_FMT_U8P: ///< unsigned 8 bits: planar
format.setSampleSize(8);
format.setSampleType( QAudioFormat::UnSignedInt );
break;
case AV_SAMPLE_FMT_S16P: ///< signed 16 bits: planar
format.setSampleSize(16);
format.setSampleType( QAudioFormat::SignedInt );
break;
case AV_SAMPLE_FMT_S32P: ///< signed 32 bits: planar
format.setSampleSize(32);
format.setSampleType( QAudioFormat::SignedInt );
break;
case AV_SAMPLE_FMT_FLTP: ///< float: planar
format.setSampleSize(16);
format.setSampleType( QAudioFormat::SignedInt );
break;
case AV_SAMPLE_FMT_DBLP: ///< double, planar
format.setSampleSize(32);
format.setSampleType( QAudioFormat::SignedInt );
break;
default:
qWarning() << "codec format: " << sampleFormat << AV_SAMPLE_FMT_NONE;
return QAudioFormat();
}
format.setSampleRate( sampleRate );
return format;
}
QAudioFormat format() {
QAudioFormat format;
format.setSampleRate(8000);
format.setChannelCount(1);
format.setSampleSize(8);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
return format;
}
void TSoundOutputDeviceImp::play(const TSoundTrackP &st, TINT32 s0, TINT32 s1,
bool loop, bool scrubbing) {
if (!doSetStreamFormat(st->getFormat())) return;
MyData *myData = new MyData();
myData->imp = shared_from_this();
myData->totalPacketCount = s1 - s0;
myData->fileByteCount = (s1 - s0) * st->getSampleSize();
myData->entireFileBuffer = new char[myData->fileByteCount];
memcpy(myData->entireFileBuffer, st->getRawData() + s0 * st->getSampleSize(),
myData->fileByteCount);
m_isPlaying = true;
myData->isLooping = loop;
QAudioFormat format;
QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
format.setSampleSize(st->getBitPerSample());
format.setCodec("audio/pcm");
format.setChannelCount(st->getChannelCount());
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(st->getFormat().m_signedSample
? QAudioFormat::SignedInt
: QAudioFormat::UnSignedInt);
format.setSampleRate(st->getSampleRate());
QList<QAudioFormat::Endian> sbos = info.supportedByteOrders();
QList<int> sccs = info.supportedChannelCounts();
QList<int> ssrs = info.supportedSampleRates();
QList<QAudioFormat::SampleType> sstypes = info.supportedSampleTypes();
QList<int> ssss = info.supportedSampleSizes();
QStringList supCodes = info.supportedCodecs();
if (!info.isFormatSupported((format))) {
format = info.nearestFormat(format);
int newChannels = format.channelCount();
int newBitsPerSample = format.sampleSize();
int newSampleRate = format.sampleRate();
QAudioFormat::SampleType newSampleType = format.sampleType();
QAudioFormat::Endian newBo = format.byteOrder();
}
int test = st->getSampleCount() / st->getSampleRate();
QByteArray *data =
new QByteArray(myData->entireFileBuffer, myData->fileByteCount);
QBuffer *newBuffer = new QBuffer;
newBuffer->setBuffer(data);
newBuffer->open(QIODevice::ReadOnly);
newBuffer->seek(0);
if (m_audioOutput == NULL) {
m_audioOutput = new QAudioOutput(format, NULL);
}
m_audioOutput->start(newBuffer);
m_audioOutput->setVolume(m_volume);
}
QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
{
QAudioFormat nearest;
if (mode == QAudio::AudioOutput) {
nearest.setSampleRate(44100);
nearest.setChannelCount(2);
nearest.setByteOrder(QAudioFormat::LittleEndian);
nearest.setSampleType(QAudioFormat::SignedInt);
nearest.setSampleSize(16);
nearest.setCodec(QLatin1String("audio/pcm"));
} else {
nearest.setSampleRate(11025);
nearest.setChannelCount(1);
nearest.setByteOrder(QAudioFormat::LittleEndian);
nearest.setSampleType(QAudioFormat::SignedInt);
nearest.setSampleSize(8);
nearest.setCodec(QLatin1String("audio/pcm"));
}
return nearest;
}
QAudioFormat MultimediaWidget::getAudioFormat( AVInfo const & aAvInfo ) const
{
QAudioFormat audioFormat;
audioFormat.setSampleRate( aAvInfo.getAudioSampleRate() );
audioFormat.setChannelCount( aAvInfo.getAudioChannel() );
audioFormat.setSampleSize( aAvInfo.getAudioBitsPerSample() );
audioFormat.setCodec( "audio/pcm" );
audioFormat.setByteOrder(QAudioFormat::LittleEndian);
audioFormat.setSampleType(QAudioFormat::UnSignedInt);
return audioFormat;
}
void VideoItem::updateAudioFormat()
{
QAudioFormat format;
format.setSampleSize(16);
format.setSampleRate(core->getSampleRate());
format.setChannelCount(2);
format.setSampleType(QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setCodec("audio/pcm");
// TODO test format
audio->setFormat(format);
}
QAudioFormat Settings::audioFormat() const
{
QAudioFormat format;
format.setByteOrder(QAudioFormat::LittleEndian);
format.setChannelCount(1);
format.setCodec("audio/pcm");
format.setSampleRate(d->sampleRate);
format.setSampleSize(d->sampleSize);
format.setSampleType(QAudioFormat::SignedInt);
return d->inputDevice.nearestFormat(format);
}
QAudioFormat MediaCall::GetAudioReadFormat () const
{
const auto& payload = Call_->audioChannel ()->payloadType ();
QAudioFormat result;
result.setSampleRate (payload.clockrate ());
result.setChannelCount (payload.channels ());
result.setSampleSize (16);
result.setCodec ("audio/pcm");
result.setByteOrder (QAudioFormat::LittleEndian);
result.setSampleType (QAudioFormat::SignedInt);
return result;
}
QAudioFormat AudioHandler::createFormat() {
QAudioFormat f;
f.setCodec("audio/pcm");
f.setChannelCount(2);
f.setSampleRate(48000);
f.setSampleSize(16);
f.setSampleType(QAudioFormat::UnSignedInt);
f.setByteOrder(QAudioFormat::LittleEndian);
return f;
}
void MainWindow::PlaySound() {
//QSound *sound = new QSound("/home/mike/TediumRemedy/sample.wav", this);
//sound->play();
//return;
sourceFile.setFileName("/home/mike/TediumRemedy/sample.wav");
sourceFile.open(QIODevice::ReadOnly);
QAudioFormat format;
// Set up the format, eg.
format.setSampleRate(44100);
format.setChannelCount(2);
format.setSampleSize(16);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice());
if (!info.isFormatSupported(format)) {
qWarning() << "Raw audio format not supported by backend, cannot play audio.";
return;
}
return;
/*QSound::play(":resources/connected.wav");
return;
*/
QList<QAudioDeviceInfo> l = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
foreach(QAudioDeviceInfo i, l) {
qDebug() << i.supportedCodecs();
}
QTextStream out(stdout);
out << "START-OUTPUT" << endl;
QList<QAudioDeviceInfo> outputList = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
foreach(QAudioDeviceInfo outputInfo, outputList) {
out << outputInfo.deviceName() << endl;
}
out << "END-OUTPUT" << endl;
return;
/*QMediaPlayer *p = new QMediaPlayer(0);
p->setMedia(QMediaContent(QUrl::fromLocalFile(":/resources/connected.wav")));
p->play();*/
}
void AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings)
{
QAudioFormat fmt = m_session->format();
if (settings.encodingMode() == QMultimedia::ConstantQualityEncoding) {
if (settings.quality() == QMultimedia::LowQuality) {
fmt.setSampleSize(8);
fmt.setChannelCount(1);
fmt.setSampleRate(8000);
fmt.setSampleType(QAudioFormat::UnSignedInt);
} else if (settings.quality() == QMultimedia::NormalQuality) {
fmt.setSampleSize(16);
fmt.setChannelCount(1);
fmt.setSampleRate(22050);
fmt.setSampleType(QAudioFormat::SignedInt);
} else {
fmt.setSampleSize(16);
fmt.setChannelCount(1);
fmt.setSampleRate(44100);
fmt.setSampleType(QAudioFormat::SignedInt);
}
} else {
fmt.setChannelCount(settings.channelCount());
fmt.setSampleRate(settings.sampleRate());
if (settings.sampleRate() == 8000 && settings.bitRate() == 8000) {
fmt.setSampleType(QAudioFormat::UnSignedInt);
fmt.setSampleSize(8);
} else {
fmt.setSampleSize(16);
fmt.setSampleType(QAudioFormat::SignedInt);
}
}
fmt.setCodec("audio/pcm");
m_session->setFormat(fmt);
m_settings = settings;
}
QAudioFormat MediaCall::GetAudioFormat ()
{
const QXmppJinglePayloadType& payload =
Call_->audioChannel ()->payloadType ();
QAudioFormat result;
#if QT_VERSION >= 0x040700
result.setSampleRate (payload.clockrate ());
result.setChannelCount (payload.channels ());
#endif
result.setSampleSize (16);
result.setCodec ("audio/pcm");
result.setByteOrder (QAudioFormat::LittleEndian);
result.setSampleType (QAudioFormat::SignedInt);
return result;
}
QAudioFormat AudioReciever::GetStreamAudioFormat(void)
{
QAudioFormat format;
format.setSampleRate(44100);
//format.setChannels(1);
format.setSampleSize(24);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
QAudioDeviceInfo info = QAudioDeviceInfo::defaultInputDevice();
if (!info.isFormatSupported(format))
format = info.nearestFormat(format);
return format;
}
void SoundInput::start(QAudioDeviceInfo const& device, int framesPerBuffer, AudioDevice * sink, unsigned downSampleFactor, AudioDevice::Channel channel)
{
Q_ASSERT (sink);
stop ();
m_sink = sink;
QAudioFormat format (device.preferredFormat());
format.setChannelCount (AudioDevice::Mono == channel ? 1 : 2);
format.setCodec ("audio/pcm");
format.setSampleRate (12000 * downSampleFactor);
format.setSampleType (QAudioFormat::SignedInt);
format.setSampleSize (16);
if (!format.isValid ())
{
Q_EMIT error (tr ("Requested input audio format is not valid."));
return;
}
// this function lies!
// if (!device.isFormatSupported (format))
// {
// Q_EMIT error (tr ("Requested input audio format is not supported on device."));
// return;
// }
m_stream.reset (new QAudioInput {device, format});
if (audioError ())
{
return;
}
connect (m_stream.data(), &QAudioInput::stateChanged, this, &SoundInput::handleStateChanged);
m_stream->setBufferSize (m_stream->format ().bytesForFrames (framesPerBuffer));
if (sink->initialize (QIODevice::WriteOnly, channel))
{
m_stream->start (sink);
audioError ();
}
else
{
Q_EMIT error (tr ("Failed to initialize audio sink device"));
}
}
