..and CoreAudio.

libs/backends/coreaudio/coreaudio_backend.cc

@@ -497,13 +497,14 @@ CoreAudioBackend::_start (bool for_latency_measurement)
 		return BackendReinitializationError;
 	}
 
-	if (_ports.size()) {
+	if (_ports.size () || _portmap.size ()) {
 		PBD::warning << _("CoreAudioBackend: recovering from unclean shutdown, port registry is not empty.") << endmsg;
 		_system_inputs.clear();
 		_system_outputs.clear();
 		_system_midi_in.clear();
 		_system_midi_out.clear();
 		_ports.clear();
+		_portmap.clear();
 	}
 
 	uint32_t device1 = name_to_id(_input_audio_device);
@@ -970,8 +971,9 @@ CoreAudioBackend::get_ports (
 			use_regexp = true;
 		}
 	}
-	for (size_t i = 0; i < _ports.size (); ++i) {
+
-		CoreBackendPort* port = _ports[i];
+	for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
+		CoreBackendPort* port = *i;
 		if ((port->type () == type) && flags == (port->flags () & flags)) {
 			if (!use_regexp || !regexec (&port_regex, port->name ().c_str (), 0, NULL, 0)) {
 				port_names.push_back (port->name ());
@@ -1030,7 +1032,8 @@ CoreAudioBackend::add_port (
 		return 0;
 	}
 
-	_ports.push_back (port);
+	_ports.insert (port);
+	_portmap.insert (make_pair (name, port));
 
 	return port;
 }
@@ -1042,12 +1045,13 @@ CoreAudioBackend::unregister_port (PortEngine::PortHandle port_handle)
 		return;
 	}
 	CoreBackendPort* port = static_cast<CoreBackendPort*>(port_handle);
-	std::vector<CoreBackendPort*>::iterator i = std::find (_ports.begin (), _ports.end (), static_cast<CoreBackendPort*>(port_handle));
+	PortIndex::iterator i = _ports.find (static_cast<CoreBackendPort*>(port_handle));
 	if (i == _ports.end ()) {
 		PBD::warning << _("CoreAudioBackend::unregister_port: Failed to find port") << endmsg;
 		return;
 	}
 	disconnect_all(port_handle);
+	_portmap.erase (port->name());
 	_ports.erase (i);
 	delete port;
 }
@@ -1200,19 +1204,19 @@ CoreAudioBackend::coremidi_rediscover()
 void
 CoreAudioBackend::unregister_ports (bool system_only)
 {
-	size_t i = 0;
 	_system_inputs.clear();
 	_system_outputs.clear();
 	_system_midi_in.clear();
 	_system_midi_out.clear();
-	while (i <  _ports.size ()) {
+
-		CoreBackendPort* port = _ports[i];
+	for (PortIndex::iterator i = _ports.begin (); i != _ports.end ();) {
+		PortIndex::iterator cur = i++;
+		CoreBackendPort* port = *cur;
 		if (! system_only || (port->is_physical () && port->is_terminal ())) {
 			port->disconnect_all ();
+			_portmap.erase (port->name());
 			delete port;
-			_ports.erase (_ports.begin() + i);
+			_ports.erase (cur);
-		} else {
-			++i;
 		}
 	}
 }
@@ -1301,10 +1305,12 @@ bool
 CoreAudioBackend::connected_to (PortEngine::PortHandle src, const std::string& dst, bool /*process_callback_safe*/)
 {
 	CoreBackendPort* dst_port = find_port (dst);
+#ifndef NDEBUG
 	if (!valid_port (src) || !dst_port) {
 		PBD::warning << _("CoreAudioBackend::connected_to: Invalid Port") << endmsg;
 		return false;
 	}
+#endif
 	return static_cast<CoreBackendPort*>(src)->is_connected (dst_port);
 }
 
@@ -1328,9 +1334,9 @@ CoreAudioBackend::get_connections (PortEngine::PortHandle port, std::vector<std:
 
 	assert (0 == names.size ());
 
-	const std::vector<CoreBackendPort*>& connected_ports = static_cast<CoreBackendPort*>(port)->get_connections ();
+	const std::set<CoreBackendPort*>& connected_ports = static_cast<CoreBackendPort*>(port)->get_connections ();
 
-	for (std::vector<CoreBackendPort*>::const_iterator i = connected_ports.begin (); i != connected_ports.end (); ++i) {
+	for (std::set<CoreBackendPort*>::const_iterator i = connected_ports.begin (); i != connected_ports.end (); ++i) {
 		names.push_back ((*i)->name ());
 	}
 
@@ -1473,8 +1479,8 @@ CoreAudioBackend::port_is_physical (PortEngine::PortHandle port) const
 void
 CoreAudioBackend::get_physical_outputs (DataType type, std::vector<std::string>& port_names)
 {
-	for (size_t i = 0; i < _ports.size (); ++i) {
+	for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
-		CoreBackendPort* port = _ports[i];
+		CoreBackendPort* port = *i;
 		if ((port->type () == type) && port->is_input () && port->is_physical ()) {
 			port_names.push_back (port->name ());
 		}
@@ -1484,8 +1490,8 @@ CoreAudioBackend::get_physical_outputs (DataType type, std::vector<std::string>&
 void
 CoreAudioBackend::get_physical_inputs (DataType type, std::vector<std::string>& port_names)
 {
-	for (size_t i = 0; i < _ports.size (); ++i) {
+	for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
-		CoreBackendPort* port = _ports[i];
+		CoreBackendPort* port = *i;
 		if ((port->type () == type) && port->is_output () && port->is_physical ()) {
 			port_names.push_back (port->name ());
 		}
@@ -1497,8 +1503,8 @@ CoreAudioBackend::n_physical_outputs () const
 {
 	int n_midi = 0;
 	int n_audio = 0;
-	for (size_t i = 0; i < _ports.size (); ++i) {
+	for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
-		CoreBackendPort* port = _ports[i];
+		CoreBackendPort* port = *i;
 		if (port->is_output () && port->is_physical ()) {
 			switch (port->type ()) {
 			case DataType::AUDIO: ++n_audio; break;
@@ -1518,8 +1524,8 @@ CoreAudioBackend::n_physical_inputs () const
 {
 	int n_midi = 0;
 	int n_audio = 0;
-	for (size_t i = 0; i < _ports.size (); ++i) {
+	for (PortIndex::iterator i = _ports.begin (); i != _ports.end (); ++i) {
-		CoreBackendPort* port = _ports[i];
+		CoreBackendPort* port = *i;
 		if (port->is_input () && port->is_physical ()) {
 			switch (port->type ()) {
 			case DataType::AUDIO: ++n_audio; break;
@@ -1976,7 +1982,7 @@ int CoreBackendPort::connect (CoreBackendPort *port)
 
 void CoreBackendPort::_connect (CoreBackendPort *port, bool callback)
 {
-	_connections.push_back (port);
+	_connections.insert (port);
 	if (callback) {
 		port->_connect (this, false);
 		_osx_backend.port_connect_callback (name(),  port->name(), true);
@@ -2002,12 +2008,9 @@ int CoreBackendPort::disconnect (CoreBackendPort *port)
 
 void CoreBackendPort::_disconnect (CoreBackendPort *port, bool callback)
 {
-	std::vector<CoreBackendPort*>::iterator it = std::find (_connections.begin (), _connections.end (), port);
+	std::set<CoreBackendPort*>::iterator it = _connections.find (port);
-
 	assert (it != _connections.end ());
-
 	_connections.erase (it);
-
 	if (callback) {
 		port->_disconnect (this, false);
 		_osx_backend.port_connect_callback (name(),  port->name(), false);
@@ -2018,21 +2021,22 @@ void CoreBackendPort::_disconnect (CoreBackendPort *port, bool callback)
 void CoreBackendPort::disconnect_all ()
 {
 	while (!_connections.empty ()) {
-		_connections.back ()->_disconnect (this, false);
+		std::set<CoreBackendPort*>::iterator it = _connections.begin ();
-		_osx_backend.port_connect_callback (name(),  _connections.back ()->name(), false);
+		(*it)->_disconnect (this, false);
-		_connections.pop_back ();
+		_osx_backend.port_connect_callback (name(), (*it)->name(), false);
+		_connections.erase (it);
 	}
 }
 
 bool
 CoreBackendPort::is_connected (const CoreBackendPort *port) const
 {
-	return std::find (_connections.begin (), _connections.end (), port) != _connections.end ();
+	return _connections.find (const_cast<CoreBackendPort *>(port)) != _connections.end ();
 }
 
 bool CoreBackendPort::is_physically_connected () const
 {
-	for (std::vector<CoreBackendPort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
+	for (std::set<CoreBackendPort*>::const_iterator it = _connections.begin (); it != _connections.end (); ++it) {
 		if ((*it)->is_physical ()) {
 			return true;
 		}
@@ -2054,14 +2058,15 @@ CoreAudioPort::~CoreAudioPort () { }
 void* CoreAudioPort::get_buffer (pframes_t n_samples)
 {
 	if (is_input ()) {
-		std::vector<CoreBackendPort*>::const_iterator it = get_connections ().begin ();
+		const std::set<CoreBackendPort *>& connections = get_connections ();
-		if (it == get_connections ().end ()) {
+		std::set<CoreBackendPort*>::const_iterator it = connections.begin ();
+		if (it == connections.end ()) {
 			memset (_buffer, 0, n_samples * sizeof (Sample));
 		} else {
 			CoreAudioPort const * source = static_cast<const CoreAudioPort*>(*it);
 			assert (source && source->is_output ());
 			memcpy (_buffer, source->const_buffer (), n_samples * sizeof (Sample));
-			while (++it != get_connections ().end ()) {
+			while (++it != connections.end ()) {
 				source = static_cast<const CoreAudioPort*>(*it);
 				assert (source && source->is_output ());
 				Sample* dst = buffer ();
@@ -2104,8 +2109,9 @@ void* CoreMidiPort::get_buffer (pframes_t /* nframes */)
 {
 	if (is_input ()) {
 		(_buffer[_bufperiod]).clear ();
-		for (std::vector<CoreBackendPort*>::const_iterator i = get_connections ().begin ();
+		const std::set<CoreBackendPort*>& connections = get_connections ();
-		     i != get_connections ().end ();
+		for (std::set<CoreBackendPort*>::const_iterator i = connections.begin ();
+		     i != connections.end ();
 		     ++i) {
 			const CoreMidiBuffer * src = static_cast<const CoreMidiPort*>(*i)->const_buffer ();
 			for (CoreMidiBuffer::const_iterator it = src->begin (); it != src->end (); ++it) {

libs/backends/coreaudio/coreaudio_backend.h

@@ -82,7 +82,7 @@ class CoreBackendPort {
 	bool is_connected (const CoreBackendPort *port) const;
 	bool is_physically_connected () const;
 
-	const std::vector<CoreBackendPort *>& get_connections () const { return _connections; }
+	const std::set<CoreBackendPort *>& get_connections () const { return _connections; }
 
 	int connect (CoreBackendPort *port);
 	int disconnect (CoreBackendPort *port);
@@ -114,7 +114,7 @@ class CoreBackendPort {
 	const PortFlags _flags;
 	LatencyRange _capture_latency_range;
 	LatencyRange _playback_latency_range;
-	std::vector<CoreBackendPort*> _connections;
+	std::set<CoreBackendPort*> _connections;
 
 	void _connect (CoreBackendPort* , bool);
 	void _disconnect (CoreBackendPort* , bool);
@@ -461,12 +461,16 @@ class CoreAudioBackend : public AudioBackend {
 	int register_system_audio_ports ();
 	void unregister_ports (bool system_only = false);
 
-	std::vector<CoreBackendPort *> _ports;
 	std::vector<CoreBackendPort *> _system_inputs;
 	std::vector<CoreBackendPort *> _system_outputs;
 	std::vector<CoreBackendPort *> _system_midi_in;
 	std::vector<CoreBackendPort *> _system_midi_out;
 
+	typedef std::map<std::string, CoreBackendPort *> PortMap; // fast lookup in _ports
+	typedef std::set<CoreBackendPort *> PortIndex; // fast lookup in _ports
+	PortMap _portmap;
+	PortIndex _ports;
+
 	struct PortConnectData {
 		std::string a;
 		std::string b;
@@ -493,16 +497,15 @@ class CoreAudioBackend : public AudioBackend {
 	}
 
 	bool valid_port (PortHandle port) const {
-		return std::find (_ports.begin (), _ports.end (), (CoreBackendPort*)port) != _ports.end ();
+		return _ports.find (static_cast<CoreBackendPort*>(port)) != _ports.end ();
 	}
 
-	CoreBackendPort * find_port (const std::string& port_name) const {
+	CoreBackendPort* find_port (const std::string& port_name) const {
-		for (std::vector<CoreBackendPort*>::const_iterator it = _ports.begin (); it != _ports.end (); ++it) {
+		PortMap::const_iterator it = _portmap.find (port_name);
-			if ((*it)->name () == port_name) {
+		if (it == _portmap.end()) {
-				return *it;
+			return NULL;
-			}
 		}
-		return NULL;
+		return (*it).second;
 	}
 
 	CoreBackendPort * find_port_in (std::vector<CoreBackendPort *> plist, const std::string& port_name) const {