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Multi device support: moved audio output multi client support to audio output object itself

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This commit is contained in:
f4exb 2016-05-18 11:32:19 +02:00
parent 83e1b84c38
commit 90b1fae799
5 changed files with 83 additions and 78 deletions
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125
sdrbase/audio/audiooutput.cpp
View File

@ -24,7 +24,8 @@
AudioOutput::AudioOutput() :
m_mutex(),
m_audioOutput(NULL),
m_audioOutput(0),
m_audioUsageCount(0),
m_audioFifos()
{
}
@ -47,73 +48,83 @@ bool AudioOutput::start(int device, int rate)
{
QMutexLocker mutexLocker(&m_mutex);
//Q_UNUSED(device);
//Q_UNUSED(rate);
QAudioDeviceInfo devInfo;
if (device < 0)
if (m_audioUsageCount == 0)
{
devInfo = QAudioDeviceInfo::defaultOutputDevice();
qWarning("AudioOutput::start: using default device %s", qPrintable(devInfo.defaultOutputDevice().deviceName()));
}
else
{
QList<QAudioDeviceInfo> devicesInfo = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
QAudioDeviceInfo devInfo;
if (device < devicesInfo.size())
{
devInfo = devicesInfo[device];
qWarning("AudioOutput::start: using audio device #%d: %s", device, qPrintable(devInfo.defaultOutputDevice().deviceName()));
}
else
{
devInfo = QAudioDeviceInfo::defaultOutputDevice();
qWarning("AudioOutput::start: audio device #%d does not exist. Using default device %s", device, qPrintable(devInfo.defaultOutputDevice().deviceName()));
}
if (device < 0)
{
devInfo = QAudioDeviceInfo::defaultOutputDevice();
qWarning("AudioOutput::start: using default device %s", qPrintable(devInfo.defaultOutputDevice().deviceName()));
}
else
{
QList<QAudioDeviceInfo> devicesInfo = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
if (device < devicesInfo.size())
{
devInfo = devicesInfo[device];
qWarning("AudioOutput::start: using audio device #%d: %s", device, qPrintable(devInfo.defaultOutputDevice().deviceName()));
}
else
{
devInfo = QAudioDeviceInfo::defaultOutputDevice();
qWarning("AudioOutput::start: audio device #%d does not exist. Using default device %s", device, qPrintable(devInfo.defaultOutputDevice().deviceName()));
}
}
//QAudioDeviceInfo devInfo(QAudioDeviceInfo::defaultOutputDevice());
m_audioFormat.setSampleRate(rate);
m_audioFormat.setChannelCount(2);
m_audioFormat.setSampleSize(16);
m_audioFormat.setCodec("audio/pcm");
m_audioFormat.setByteOrder(QAudioFormat::LittleEndian);
m_audioFormat.setSampleType(QAudioFormat::SignedInt);
if (!devInfo.isFormatSupported(m_audioFormat))
{
m_audioFormat = devInfo.nearestFormat(m_audioFormat);
qWarning("AudioOutput::start: %d Hz S16_LE audio format not supported. New rate: %d", rate, m_audioFormat.sampleRate());
}
if (m_audioFormat.sampleSize() != 16)
{
qWarning("AudioOutput::start: Audio device ( %s ) failed", qPrintable(devInfo.defaultOutputDevice().deviceName()));
return false;
}
m_audioOutput = new QAudioOutput(devInfo, m_audioFormat);
QIODevice::open(QIODevice::ReadOnly);
m_audioOutput->start(this);
if (m_audioOutput->state() != QAudio::ActiveState)
{
qWarning("AudioOutput::start: cannot start");
}
}
//QAudioDeviceInfo devInfo(QAudioDeviceInfo::defaultOutputDevice());
m_audioFormat.setSampleRate(rate);
m_audioFormat.setChannelCount(2);
m_audioFormat.setSampleSize(16);
m_audioFormat.setCodec("audio/pcm");
m_audioFormat.setByteOrder(QAudioFormat::LittleEndian);
m_audioFormat.setSampleType(QAudioFormat::SignedInt);
if (!devInfo.isFormatSupported(m_audioFormat))
{
m_audioFormat = devInfo.nearestFormat(m_audioFormat);
qWarning("AudioOutput::start: %d Hz S16_LE audio format not supported. New rate: %d", rate, m_audioFormat.sampleRate());
}
if (m_audioFormat.sampleSize() != 16)
{
qWarning("AudioOutput::start: Audio device ( %s ) failed", qPrintable(devInfo.defaultOutputDevice().deviceName()));
return false;
}
m_audioOutput = new QAudioOutput(devInfo, m_audioFormat);
QIODevice::open(QIODevice::ReadOnly);
m_audioOutput->start(this);
if (m_audioOutput->state() != QAudio::ActiveState)
{
qWarning("AudioOutput::start: cannot start");
}
m_audioUsageCount++;
return true;
}
void AudioOutput::stop()
{
QMutexLocker mutexLocker(&m_mutex);
QIODevice::close();
delete m_audioOutput;
if (m_audioUsageCount > 0)
{
m_audioUsageCount--;
if (m_audioUsageCount == 0)
{
QIODevice::close();
delete m_audioOutput;
}
}
}
void AudioOutput::addFifo(AudioFifo* audioFifo)

1
sdrbase/audio/audiooutput.h
View File

@ -45,6 +45,7 @@ public:
private:
QMutex m_mutex;
QAudioOutput* m_audioOutput;
uint m_audioUsageCount;
typedef std::list<AudioFifo*> AudioFifos;
AudioFifos m_audioFifos;

23
sdrbase/dsp/dspengine.cpp
View File

@ -21,10 +21,8 @@
DSPEngine::DSPEngine() :
m_deviceEnginesUIDSequence(0),
m_audioSampleRate(48000), // Use default output device at 48 kHz
m_audioUsageCount(0)
m_audioSampleRate(48000) // Use default output device at 48 kHz
{
//m_deviceEngines.push_back(new DSPDeviceEngine(0)); // TODO: multi device support
m_dvSerialSupport = false;
}
@ -88,26 +86,13 @@ void DSPEngine::stopAllDeviceEngines()
void DSPEngine::startAudio()
{
if (m_audioUsageCount == 0)
{
m_audioOutput.start(-1, m_audioSampleRate);
m_audioSampleRate = m_audioOutput.getRate(); // update with actual rate
}
m_audioUsageCount++;
m_audioOutput.start(-1, m_audioSampleRate);
m_audioSampleRate = m_audioOutput.getRate(); // update with actual rate
}
void DSPEngine::stopAudio()
{
if (m_audioUsageCount > 0)
{
m_audioUsageCount--;
if (m_audioUsageCount == 0)
{
m_audioOutput.stop();
}
}
m_audioOutput.stop();
}
void DSPEngine::startAudioImmediate()

1
sdrbase/dsp/dspengine.h
View File

@ -89,7 +89,6 @@ private:
AudioOutput m_audioOutput;
uint m_audioSampleRate;
bool m_dvSerialSupport;
uint m_audioUsageCount;
#ifdef DSD_USE_SERIALDV
DVSerialEngine m_dvSerialEngine;
#endif

11
sdrbase/mainwindow.cpp
View File

@ -223,9 +223,18 @@ void MainWindow::removeLastDevice()
ui->tabChannels->removeTab(ui->tabChannels->count() - 1);
ui->tabInputsView->removeTab(ui->tabInputsView->count() - 1);
ui->tabInputsSelect->removeTab(ui->tabInputsSelect->count() - 1);
m_deviceWidgetTabs.removeLast();
ui->tabInputsView->clear();
for (int i = 0; i < m_deviceWidgetTabs.size(); i++)
{
qDebug("MainWindow::removeLastDevice: adding back tab for %s", m_deviceWidgetTabs[i].displayName.toStdString().c_str());
ui->tabInputsView->addTab(m_deviceWidgetTabs[i].gui, m_deviceWidgetTabs[i].tabName);
ui->tabInputsView->setTabToolTip(i, m_deviceWidgetTabs[i].displayName);
}
delete m_deviceUIs.back();
lastDeviceEngine->stop();