#include <vector>
#include <exception>
#include <stdexcept>
+#include <sstream>
#include <glibmm/timer.h>
#include <pbd/pthread_utils.h>
#include <pbd/stacktrace.h>
#include <pbd/unknown_type.h>
+#include <midi++/jack.h>
+
#include <ardour/audioengine.h>
#include <ardour/buffer.h>
#include <ardour/port.h>
if (connect_to_jack (client_name)) {
throw NoBackendAvailable ();
}
-
- start_metering_thread();
-
Port::set_engine (this);
}
*/
PBD::ThreadCreatedWithRequestSize (pthread_self(), X_("Audioengine"), 4096);
+ MIDI::JACK_MidiPort::set_process_thread (pthread_self());
}
int
if (session) {
nframes_t blocksize = jack_get_buffer_size (_jack);
+ BootMessage (_("Connect session to engine"));
+
session->set_block_size (blocksize);
session->set_frame_rate (jack_get_sample_rate (_jack));
} else {
// error << _("cannot activate JACK client") << endmsg;
}
+
+ start_metering_thread();
}
return _running ? 0 : -1;
{
if (_running) {
_running = false;
+ stop_metering_thread ();
if (forever) {
jack_client_t* foo = _jack;
_jack = 0;
jack_client_close (foo);
- stop_metering_thread ();
} else {
jack_deactivate (_jack);
}
if (session) {
session->process (nframes);
}
-
- if (!_running) {
- _processed_frames = next_processed_frames;
- return 0;
- }
// Finalize ports (ie write data if necessary)
(*i)->cycle_end (nframes, 0);
}
+ if (!_running) {
+ _processed_frames = next_processed_frames;
+ return 0;
+ }
+
if (last_monitor_check + monitor_check_interval < next_processed_frames) {
boost::shared_ptr<Ports> p = ports.reader();
last_monitor_check = next_processed_frames;
}
+ if (session->silent()) {
+
+ boost::shared_ptr<Ports> p = ports.reader();
+
+ for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+
+ Port *port = (*i);
+
+ if (port->sends_output()) {
+ port->get_buffer().silence(nframes);
+ }
+ }
+ }
+
_processed_frames = next_processed_frames;
return 0;
}
AudioEngine::start_metering_thread ()
{
if (m_meter_thread == 0) {
+ g_atomic_int_set (&m_meter_exit, 0);
m_meter_thread = Glib::Thread::create (sigc::mem_fun(this, &AudioEngine::meter_thread),
- 500000, true, true, Glib::THREAD_PRIORITY_NORMAL);
+ 500000, true, true, Glib::THREAD_PRIORITY_NORMAL);
}
}
session = 0;
}
- remove_all_ports ();
+ //FIXME: Preliminary bugfix for http://tracker.ardour.org/view.php?id=1985
+ //remove_all_ports ();
}
+void
+AudioEngine::port_registration_failure (const std::string& portname)
+{
+ string full_portname = jack_client_name;
+ full_portname += ':';
+ full_portname += portname;
+
+
+ jack_port_t* p = jack_port_by_name (_jack, full_portname.c_str());
+ string reason;
+
+ if (p) {
+ reason = _("a port with this name already exists: check for duplicated track/bus names");
+ } else {
+ reason = _("unknown error");
+ }
+
+ throw PortRegistrationFailure (string_compose (_("AudioEngine: cannot register port \"%1\": %2"), portname, reason).c_str());
+}
+
Port *
AudioEngine::register_port (DataType dtype, const string& portname, bool input, bool publish)
{
Port* newport = 0;
+ /*cerr << "trying to register port with name " << portname << endl;*/
try {
if (dtype == DataType::AUDIO) {
newport = new AudioPort (portname, (input ? Port::IsInput : Port::IsOutput), publish, frames_per_cycle());
throw unknown_type();
}
+ /*cerr << "successfully got port " << portname << " with address " << newport << endl;*/
+
RCUWriter<Ports> writer (ports);
boost::shared_ptr<Ports> ps = writer.get_copy ();
+ /*cerr << "Address of ports list: " << ps << endl
+ << "Ports set size before insert: " << ps->size() << endl;*/
ps->insert (ps->begin(), newport);
+ /*cerr << "Ports set size after insert: " << ps->size() << endl;*/
+
/* writer goes out of scope, forces update */
return newport;
}
catch (...) {
- throw PortRegistrationFailure();
+ throw PortRegistrationFailure("unable to create port (unknown type?)");
}
}
boost::shared_ptr<Ports> p = ports.reader();
for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
+ //cerr << "comparing port name '" << (*i)->name() << "' with '" << full_name << "'" << endl;
if ((*i)->name() == full_name) {
return *i;
}
return register_port (type, portname, false, publish);
}
-int
+int
AudioEngine::unregister_port (Port& port)
{
+ /* caller must hold process lock */
+
+ cerr << "about to unregister Port xx x" << &port << "\n";
+
if (!_running) {
/* probably happening when the engine has been halted by JACK,
in which case, there is nothing we can do here.
*/
+ cerr << "not running\n";
return 0;
}
{
+ cerr << "before getcopy\n";
RCUWriter<Ports> writer (ports);
boost::shared_ptr<Ports> ps = writer.get_copy ();
+ cerr << "Ports set size: " << ps.get()->size() << endl;
+
for (Ports::iterator i = ps->begin(); i != ps->end(); ++i) {
+ cerr << "before delete" << endl;
if ((*i) == &port) {
+ cerr << "About to delete " << &port << endl;
delete *i;
ps->erase (i);
+ cerr << "After erasing ports size: " << ps->size();
break;
}
}
/* writer goes out of scope, forces update */
}
+
+ cerr << "before remove_connections\n";
+ remove_connections_for (port);
return 0;
}
string s = make_port_name_non_relative (source);
string d = make_port_name_non_relative (destination);
+ //cerr << "Trying to connect source: " << s << " with destination " << d << endl;
+
Port* src = get_port (s);
Port* dst = get_port (d);
string s = make_port_name_non_relative (source);
string d = make_port_name_non_relative (destination);
+ //cerr << "trying to disconnect port '" << s << "' from port '" << d << endl;
+
Port* src = get_port (s);
Port* dst = get_port (d);
AudioEngine::halted (void *arg)
{
AudioEngine* ae = static_cast<AudioEngine *> (arg);
+ bool was_running = ae->_running;
+
+ ae->stop_metering_thread ();
ae->_running = false;
ae->_buffer_size = 0;
ae->_frame_rate = 0;
ae->_jack = 0;
- ae->Halted(); /* EMIT SIGNAL */
+ if (was_running) {
+ ae->Halted(); /* EMIT SIGNAL */
+ }
+}
+
+bool
+AudioEngine::can_request_hardware_monitoring ()
+{
+ const char ** ports;
+
+ if (!_jack) {
+ return 0;
+ }
+
+ if ((ports = jack_get_ports (_jack, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortCanMonitor)) == 0) {
+ return false;
+ }
+
+ free (ports);
+
+ return true;
}
+
uint32_t
AudioEngine::n_physical_outputs () const
{
return 0;
}
- if (ports) {
- for (i = 0; ports[i]; ++i);
- free (ports);
- }
+ for (i = 0; ports[i]; ++i);
+ free (ports);
+
return i;
}
}
}
+void
+AudioEngine::remove_connections_for (Port& port)
+{
+ for (PortConnections::iterator i = port_connections.begin(); i != port_connections.end(); ) {
+ PortConnections::iterator tmp;
+
+ tmp = i;
+ ++tmp;
+
+ if ((*i).first == port.name()) {
+ port_connections.erase (i);
+ }
+
+ i = tmp;
+ }
+}
+
#ifdef HAVE_JACK_CLIENT_OPEN
const char *server_name = NULL;
jack_client_name = client_name; /* might be reset below */
-
_jack = jack_client_open (jack_client_name.c_str(), options, &status, server_name);
-
+
if (_jack == NULL) {
if (status & JackServerFailed) {
_frame_rate = 0;
if (_running) {
+ stop_metering_thread ();
_running = false;
Stopped(); /* EMIT SIGNAL */
}
Running (); /* EMIT SIGNAL*/
+ start_metering_thread ();
+
return 0;
}