void
OpenSLLayer::startStream()
{
dcblocker_.reset();
if (isStarted_)
return;
DEBUG("Start OpenSL audio layer");
std::vector<int32_t> hw_infos = Manager::instance().getClient()->getConfigurationManager()->getHardwareAudioFormat();
hardwareFormat_ = AudioFormat(hw_infos[0], 1); // Mono on Android
hardwareBuffSize_ = hw_infos[1];
for(auto& buf : playbackBufferStack_)
buf.resize(hardwareBuffSize_);
for(auto& buf : recordBufferStack_)
buf.resize(hardwareBuffSize_);
hardwareFormatAvailable(hardwareFormat_);
std::thread launcher([this](){
init();
startAudioPlayback();
startAudioCapture();
isStarted_ = true;
});
launcher.detach();
}
void
PortAudioLayer::init()
{
RING_DBG("Init PortAudioLayer");
const auto err = Pa_Initialize();
if (err != paNoError) {
this->handleError(err);
this->terminate();
}
indexOut_ = indexRing_ = Pa_GetDefaultOutputDevice();
indexIn_ = Pa_GetDefaultInputDevice();
if (indexOut_ != paNoDevice) {
const auto outputDeviceInfo = Pa_GetDeviceInfo(indexOut_);
audioFormat_.nb_channels = outputDeviceInfo->maxOutputChannels;
audioFormat_.sample_rate = outputDeviceInfo->defaultSampleRate;
hardwareFormatAvailable(audioFormat_);
}
if (indexIn_ != paNoDevice) {
const auto inputDeviceInfo = Pa_GetDeviceInfo(indexIn_);
audioInputFormat_.nb_channels = inputDeviceInfo->maxInputChannels;
audioInputFormat_.sample_rate = inputDeviceInfo->defaultSampleRate;
hardwareInputFormatAvailable(audioInputFormat_);
}
}
/**
* Start the capture and playback.
*/
void
JackLayer::startStream()
{
{
std::lock_guard<std::mutex> lock(mutex_);
if (status_ != Status::Idle)
return;
status_ = Status::Started;
}
dcblocker_.reset();
const auto hardwareFormat = AudioFormat(playbackBuffer_.getSampleRate(), out_ports_.size());
hardwareFormatAvailable(hardwareFormat);
if (jack_activate(playbackClient_) or jack_activate(captureClient_)) {
RING_ERR("Could not activate JACK client");
return;
}
ringbuffer_thread_ = std::thread(&JackLayer::ringbuffer_worker, this);
connectPorts(playbackClient_, JackPortIsInput, out_ports_);
connectPorts(captureClient_, JackPortIsOutput, in_ports_);
}
