+
+bool
+PortManager::port_is_control_only (std::string const& name)
+{
+ static regex_t compiled_pattern;
+ static string pattern;
+
+ if (pattern.empty()) {
+
+ /* This is a list of regular expressions that match ports
+ * related to physical MIDI devices that we do not want to
+ * expose as normal physical ports.
+ */
+
+ const char * const control_only_ports[] = {
+ X_(".*Ableton Push.*"),
+ X_(".*FaderPort .*"),
+ X_(".*FaderPort8 .*"),
+ };
+
+ pattern = "(";
+ for (size_t n = 0; n < sizeof (control_only_ports)/sizeof (control_only_ports[0]); ++n) {
+ if (n > 0) {
+ pattern += '|';
+ }
+ pattern += control_only_ports[n];
+ }
+ pattern += ')';
+
+ regcomp (&compiled_pattern, pattern.c_str(), REG_EXTENDED|REG_NOSUB);
+ }
+
+ return regexec (&compiled_pattern, name.c_str(), 0, 0, 0) == 0;
+}
+
+PortManager::MidiPortInformation
+PortManager::midi_port_information (std::string const & name)
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (name);
+
+ if (x != midi_port_info.end()) {
+ return x->second;
+ }
+
+ return MidiPortInformation ();
+}
+
+void
+PortManager::get_known_midi_ports (vector<string>& copy)
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ for (MidiPortInfo::const_iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
+ copy.push_back (x->first);
+ }
+}
+
+void
+PortManager::get_midi_selection_ports (vector<string>& copy)
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ for (MidiPortInfo::const_iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
+ if (x->second.properties & MidiPortSelection) {
+ copy.push_back (x->first);
+ }
+ }
+}
+
+void
+PortManager::set_midi_port_pretty_name (string const & port, string const & pretty)
+{
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (port);
+ if (x == midi_port_info.end()) {
+ return;
+ }
+ x->second.pretty_name = pretty;
+ }
+
+ /* push into back end */
+
+ PortEngine::PortHandle ph = _backend->get_port_by_name (port);
+
+ if (ph) {
+ _backend->set_port_property (ph, "http://jackaudio.org/metadata/pretty-name", pretty, string());
+ }
+
+ MidiPortInfoChanged (); /* EMIT SIGNAL*/
+}
+
+void
+PortManager::add_midi_port_flags (string const & port, MidiPortFlags flags)
+{
+ bool emit = false;
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (port);
+ if (x != midi_port_info.end()) {
+ if ((x->second.properties & flags) != flags) { // at least one missing
+ x->second.properties = MidiPortFlags (x->second.properties | flags);
+ emit = true;
+ }
+ }
+ }
+
+ if (emit) {
+ if (flags & MidiPortSelection) {
+ MidiSelectionPortsChanged (); /* EMIT SIGNAL */
+ }
+
+ if (flags != MidiPortSelection) {
+ MidiPortInfoChanged (); /* EMIT SIGNAL */
+ }
+
+ save_midi_port_info ();
+ }
+}
+
+void
+PortManager::remove_midi_port_flags (string const & port, MidiPortFlags flags)
+{
+ bool emit = false;
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ fill_midi_port_info_locked ();
+
+ MidiPortInfo::iterator x = midi_port_info.find (port);
+ if (x != midi_port_info.end()) {
+ if (x->second.properties & flags) { // at least one is set
+ x->second.properties = MidiPortFlags (x->second.properties & ~flags);
+ emit = true;
+ }
+ }
+ }
+
+ if (emit) {
+ if (flags & MidiPortSelection) {
+ MidiSelectionPortsChanged (); /* EMIT SIGNAL */
+ }
+
+ if (flags != MidiPortSelection) {
+ MidiPortInfoChanged (); /* EMIT SIGNAL */
+ }
+
+ save_midi_port_info ();
+ }
+}
+
+string
+PortManager::midi_port_info_file ()
+{
+ return Glib::build_filename (user_config_directory(), X_("midi_port_info"));
+}
+
+void
+PortManager::save_midi_port_info ()
+{
+ string path = midi_port_info_file ();
+
+ XMLNode* root = new XMLNode (X_("MidiPortInfo"));
+
+ {
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+
+ if (midi_port_info.empty()) {
+ delete root;
+ return;
+ }
+
+ for (MidiPortInfo::iterator i = midi_port_info.begin(); i != midi_port_info.end(); ++i) {
+ XMLNode* node = new XMLNode (X_("port"));
+ node->set_property (X_("name"), i->first);
+ node->set_property (X_("input"), i->second.input);
+ node->set_property (X_("properties"), i->second.properties);
+ root->add_child_nocopy (*node);
+ }
+ }
+
+ XMLTree tree;
+
+ tree.set_root (root);
+
+ if (!tree.write (path)) {
+ error << string_compose (_("Could not save MIDI port info to %1"), path) << endmsg;
+ }
+}
+
+void
+PortManager::load_midi_port_info ()
+{
+ string path = midi_port_info_file ();
+ XMLTree tree;
+
+ if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
+ return;
+ }
+
+ if (!tree.read (path)) {
+ error << string_compose (_("Cannot load MIDI port info from %1"), path) << endmsg;
+ return;
+ }
+
+ midi_port_info.clear ();
+
+ for (XMLNodeConstIterator i = tree.root()->children().begin(); i != tree.root()->children().end(); ++i) {
+ MidiPortInformation mpi;
+ string name;
+
+ if (!(*i)->get_property (X_("name"), name) ||
+ !(*i)->get_property (X_("input"), mpi.input) ||
+ !(*i)->get_property (X_("properties"), mpi.properties)) {
+ continue;
+ }
+
+ midi_port_info.insert (make_pair (name, mpi));
+ }
+}
+
+void
+PortManager::fill_midi_port_info ()
+{
+ Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
+ fill_midi_port_info_locked ();
+}
+
+void
+PortManager::fill_midi_port_info_locked ()
+{
+ /* MIDI info mutex MUST be held */
+
+ if (!midi_info_dirty) {
+ return;
+ }
+
+ std::vector<string> ports;
+
+ AudioEngine::instance()->get_ports (string(), DataType::MIDI, IsOutput, ports);
+
+ for (vector<string>::iterator p = ports.begin(); p != ports.end(); ++p) {
+
+ if (port_is_mine (*p)) {
+ continue;
+ }
+
+ if (midi_port_info.find (*p) == midi_port_info.end()) {
+ MidiPortInformation mpi;
+ mpi.pretty_name = *p;
+ mpi.input = true;
+
+ if (port_is_control_only (*p)) {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortControl);
+ }
+#ifdef LINUX
+ if ((*p.find (X_("Midi Through")) != string::npos ||
+ (*p).find (X_("Midi-Through")) != string::npos))
+ {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortVirtual);
+ }
+#endif
+ midi_port_info.insert (make_pair (*p, mpi));
+ }
+ }
+
+ AudioEngine::instance()->get_ports (string(), DataType::MIDI, IsInput, ports);
+
+ for (vector<string>::iterator p = ports.begin(); p != ports.end(); ++p) {
+
+ if (port_is_mine (*p)) {
+ continue;
+ }
+
+ if (midi_port_info.find (*p) == midi_port_info.end()) {
+ MidiPortInformation mpi;
+ mpi.pretty_name = *p;
+ mpi.input = false;
+
+ if (port_is_control_only (*p)) {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortControl);
+ }
+#ifdef LINUX
+ if ((*p.find (X_("Midi Through")) != string::npos ||
+ (*p).find (X_("Midi-Through")) != string::npos))
+ {
+ mpi.properties = MidiPortFlags (mpi.properties | MidiPortVirtual);
+ }
+#endif
+ midi_port_info.insert (make_pair (*p, mpi));
+ }
+ }
+
+ /* now push/pull pretty name information between backend and the
+ * PortManager
+ */
+
+ // rg: I don't understand what this attempts to solve
+ //
+ // Naming ports should be left to the backend:
+ // Ardour cannot associate numeric IDs with corresponding hardware.
+ // (see also 7dde6c3b)
+
+ for (MidiPortInfo::iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
+ PortEngine::PortHandle ph = _backend->get_port_by_name (x->first);
+
+ if (!ph) {
+ /* port info saved from some condition where this port
+ * existed, but no longer does (i.e. device unplugged
+ * at present)
+ */
+ continue;
+ }
+
+ if (!x->second.pretty_name.empty () && x->second.pretty_name != x->first) {
+ /* name set in port info ... propagate */
+ _backend->set_port_property (ph, "http://jackaudio.org/metadata/pretty-name", x->second.pretty_name, string());
+ } else {
+ /* check with backend for pre-existing pretty name */
+ string value;
+ string type;
+ if (0 == _backend->get_port_property (ph,
+ "http://jackaudio.org/metadata/pretty-name",
+ value, type)) {
+ x->second.pretty_name = value;
+ }
+ }
+ }
+
+ midi_info_dirty = false;
+}