OpenAL::~OpenAL()
{
audioThread->exit();
audioThread->wait();
cleanupInput();
cleanupOutput();
}
void OpenAL::unsubscribeOutput(uint& sid)
{
QMutexLocker locker(&audioLock);
outSources.removeAll(sid);
if (sid) {
if (alIsSource(sid)) {
// stop playing, marks all buffers as processed
alSourceStop(sid);
// unqueue all buffers from the source
ALint processed = 0;
alGetSourcei(sid, AL_BUFFERS_PROCESSED, &processed);
ALuint* bufids = new ALuint[processed];
alSourceUnqueueBuffers(sid, processed, bufids);
// delete all buffers
alDeleteBuffers(processed, bufids);
delete[] bufids;
alDeleteSources(1, &sid);
qDebug() << "Audio source" << sid << "deleted. Sources active:" << outSources.size();
} else {
qWarning() << "Trying to delete invalid audio source" << sid;
}
sid = 0;
}
if (outSources.isEmpty())
cleanupOutput();
}
Audio::~Audio()
{
audioThread->exit();
audioThread->wait();
cleanupInput();
cleanupOutput();
delete d;
}
~AudioPrivate()
{
if (audioMeter)
audioMeter->stop();
audioThread->exit();
audioThread->wait();
cleanupInput();
cleanupOutput();
}
/**
@internal
Open an audio output device
*/
bool AudioPrivate::initOutput(QString outDevDescr)
{
qDebug() << "Opening audio output" << outDevDescr;
outSources.clear();
outputInitialized = false;
if (outDevDescr == "none")
return true;
assert(!alOutDev);
if (outDevDescr.isEmpty()) {
// default to the first available audio device.
const ALchar *pDeviceList = Audio::outDeviceNames();
if (pDeviceList)
outDevDescr = QString::fromUtf8(pDeviceList, strlen(pDeviceList));
}
if (!outDevDescr.isEmpty())
alOutDev = alcOpenDevice(outDevDescr.toUtf8().constData());
if (alOutDev)
{
alContext = alcCreateContext(alOutDev, nullptr);
if (alcMakeContextCurrent(alContext))
{
alGenSources(1, &alMainSource);
alSourcef(alMainSource, AL_GAIN, outputVolume);
}
else
{
qWarning() << "Cannot create output audio context";
cleanupOutput();
return false;
}
Core* core = Core::getInstance();
if (core)
core->getAv()->invalidateCallSources(); // Force to regen each group call's sources
outputInitialized = true;
return true;
}
qWarning() << "Cannot open output audio device" << outDevDescr;
return false;
}
void Audio::unsubscribeOutput(ALuint &sid)
{
QMutexLocker locker(&audioLock);
outSources.removeAll(sid);
if (sid)
{
if (alIsSource(sid))
{
alDeleteSources(1, &sid);
qDebug() << "Audio source" << sid << "deleted. Sources active:"
<< outSources.size();
} else {
qWarning() << "Trying to delete invalid audio source" << sid;
}
sid = 0;
}
if (outSources.isEmpty())
cleanupOutput();
}
bool OpenAL::reinitOutput(const QString& outDevDesc)
{
QMutexLocker locker(&audioLock);
cleanupOutput();
return initOutput(outDevDesc);
}