JackLayer::JackLayer(const AudioPreference &p) :
AudioLayer(p),
captureClient_(nullptr),
playbackClient_(nullptr),
out_ports_(),
in_ports_(),
out_ringbuffers_(),
in_ringbuffers_(),
ringbuffer_thread_(),
//workerAlive_(false),
ringbuffer_thread_mutex_(),
data_ready_(),
playbackBuffer_(0, audioFormat_),
playbackFloatBuffer_(),
captureBuffer_(0, audioFormat_),
captureFloatBuffer_(),
hardwareBufferSize_(0),
mainRingBuffer_(Manager::instance().getRingBufferPool().getRingBuffer(RingBufferPool::DEFAULT_ID))
{
playbackClient_ = jack_client_open(PACKAGE_NAME,
(jack_options_t) (JackNullOption | JackNoStartServer), NULL);
if (!playbackClient_)
throw std::runtime_error("Could not open JACK client");
captureClient_ = jack_client_open(PACKAGE_NAME,
(jack_options_t) (JackNullOption | JackNoStartServer), NULL);
if (!captureClient_)
throw std::runtime_error("Could not open JACK client");
jack_set_process_callback(captureClient_, process_capture, this);
jack_set_process_callback(playbackClient_, process_playback, this);
createPorts(playbackClient_, out_ports_, true, out_ringbuffers_);
createPorts(captureClient_, in_ports_, false, in_ringbuffers_);
const auto playRate = jack_get_sample_rate(playbackClient_);
const auto captureRate = jack_get_sample_rate(captureClient_);
if (playRate != captureRate)
RING_ERR("Mismatch between capture rate %u and playback rate %u", playRate, captureRate);
hardwareBufferSize_ = jack_get_buffer_size(playbackClient_);
auto update_buffer = [] (AudioBuffer &buf, size_t size, unsigned rate, unsigned nbChannels) {
buf.setSampleRate(rate);
buf.resize(size);
buf.setChannelNum(nbChannels);
};
update_buffer(playbackBuffer_, hardwareBufferSize_, playRate, out_ports_.size());
update_buffer(captureBuffer_, hardwareBufferSize_, captureRate, in_ports_.size());
jack_on_shutdown(playbackClient_, onShutdown, this);
}
WorkflowProcessItem::WorkflowProcessItem(Actor* prc) : process(prc), hasBreakpoint(false), highlighting(NULL)/*, inspectionItem(NULL)*/ {
setToolTip(process->getProto()->getDocumentation());
setFlag(QGraphicsItem::ItemIsSelectable, true);
setFlag(QGraphicsItem::ItemIsMovable, true);
#if (QT_VERSION >= QT_VERSION_CHECK(4, 6, 0))
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
#endif
setAcceptHoverEvents(true);
styles[ItemStyles::SIMPLE] = new SimpleProcStyle(this);
styles[ItemStyles::EXTENDED] = new ExtendedProcStyle(this);
currentStyle = getStyleByIdSafe(WorkflowSettings::defaultStyle());
currentStyle->setVisible(true);
createPorts();
}
int main()
{
printf("*************************************************************************\n");
printf("* Program creates 3 servers and 5 clients\n* Ports 0 - 2 are used by servers\n* Ports 3 - 99 are used by clients\n* Server multiplies every array element by 3 before sending back to client\n");
printf("*************************************************************************\n\n");
createPorts();
start_thread(client);
start_thread(client);
start_thread(client);
start_thread(client);
start_thread(client);
start_thread(server);
start_thread(server);
start_thread(server);
run();
return 0;
}
