2 Copyright (C) 2013 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <io.h> // Microsoft's nearest equivalent to <unistd.h>
24 #include <ardourext/misc.h>
29 #include <glibmm/fileutils.h>
30 #include <glibmm/miscutils.h>
32 #include "pbd/error.h"
33 #include "pbd/strsplit.h"
35 #include "ardour/async_midi_port.h"
36 #include "ardour/audio_backend.h"
37 #include "ardour/audio_port.h"
38 #include "ardour/debug.h"
39 #include "ardour/filesystem_paths.h"
40 #include "ardour/midi_port.h"
41 #include "ardour/midiport_manager.h"
42 #include "ardour/port_manager.h"
43 #include "ardour/profile.h"
44 #include "ardour/rt_tasklist.h"
45 #include "ardour/session.h"
46 #include "ardour/types_convert.h"
50 using namespace ARDOUR;
55 #define MIDI_PORT_INFO_SEPARATOR_CHAR '!'
57 PortManager::PortManager ()
59 , _port_remove_in_progress (false)
60 , _port_deletions_pending (8192) /* ick, arbitrary sizing */
61 , midi_info_dirty (true)
63 load_midi_port_info ();
67 PortManager::clear_pending_port_deletions ()
71 DEBUG_TRACE (DEBUG::Ports, string_compose ("pending port deletions: %1\n", _port_deletions_pending.read_space()));
73 while (_port_deletions_pending.read (&p, 1) == 1) {
79 PortManager::remove_all_ports ()
81 /* make sure that JACK callbacks that will be invoked as we cleanup
82 * ports know that they have nothing to do.
85 _port_remove_in_progress = true;
87 /* process lock MUST be held by caller
91 RCUWriter<Ports> writer (ports);
92 boost::shared_ptr<Ports> ps = writer.get_copy ();
96 /* clear dead wood list in RCU */
100 /* clear out pending port deletion list. we know this is safe because
101 * the auto connect thread in Session is already dead when this is
102 * done. It doesn't use shared_ptr<Port> anyway.
105 _port_deletions_pending.reset ();
107 _port_remove_in_progress = false;
112 PortManager::make_port_name_relative (const string& portname) const
118 string::size_type colon = portname.find (':');
120 if (colon == string::npos) {
124 if (portname.substr (0, colon) == _backend->my_name()) {
125 return portname.substr (colon+1);
132 PortManager::make_port_name_non_relative (const string& portname) const
136 if (portname.find_first_of (':') != string::npos) {
140 str = _backend->my_name();
148 PortManager::get_pretty_name_by_name(const std::string& portname) const
150 PortEngine::PortHandle ph = _backend->get_port_by_name (portname);
155 if (0 == _backend->get_port_property (ph, "http://jackaudio.org/metadata/pretty-name", value, type)) {
164 PortManager::port_is_mine (const string& portname) const
170 string self = _backend->my_name();
172 if (portname.find_first_of (':') != string::npos) {
173 if (portname.substr (0, self.length ()) != self) {
182 PortManager::port_is_physical (const std::string& portname) const
188 PortEngine::PortHandle ph = _backend->get_port_by_name (portname);
193 return _backend->port_is_physical (ph);
197 PortManager::filter_midi_ports (vector<string>& ports, MidiPortFlags include, MidiPortFlags exclude)
200 if (!include && !exclude) {
205 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
207 fill_midi_port_info_locked ();
209 for (vector<string>::iterator si = ports.begin(); si != ports.end(); ) {
211 MidiPortInfo::iterator x = midi_port_info.find (*si);
213 if (x == midi_port_info.end()) {
218 MidiPortInformation& mpi (x->second);
220 if (mpi.pretty_name.empty()) {
221 /* no information !!! */
227 if ((mpi.properties & include) != include) {
228 /* properties do not include requested ones */
229 si = ports.erase (si);
235 if ((mpi.properties & exclude)) {
236 /* properties include ones to avoid */
237 si = ports.erase (si);
248 PortManager::get_physical_outputs (DataType type, std::vector<std::string>& s, MidiPortFlags include, MidiPortFlags exclude)
254 _backend->get_physical_outputs (type, s);
255 filter_midi_ports (s, include, exclude);
259 PortManager::get_physical_inputs (DataType type, std::vector<std::string>& s, MidiPortFlags include, MidiPortFlags exclude)
266 _backend->get_physical_inputs (type, s);
267 filter_midi_ports (s, include, exclude);
271 PortManager::n_physical_outputs () const
274 return ChanCount::ZERO;
277 return _backend->n_physical_outputs ();
281 PortManager::n_physical_inputs () const
284 return ChanCount::ZERO;
286 return _backend->n_physical_inputs ();
289 /** @param name Full or short name of port
290 * @return Corresponding Port or 0.
292 boost::shared_ptr<Port>
293 PortManager::get_port_by_name (const string& portname)
296 return boost::shared_ptr<Port>();
299 if (!port_is_mine (portname)) {
300 /* not an ardour port */
301 return boost::shared_ptr<Port> ();
304 boost::shared_ptr<Ports> pr = ports.reader();
305 std::string rel = make_port_name_relative (portname);
306 Ports::iterator x = pr->find (rel);
308 if (x != pr->end()) {
309 /* its possible that the port was renamed by some 3rd party and
310 * we don't know about it. check for this (the check is quick
311 * and cheap), and if so, rename the port (which will alter
312 * the port map as a side effect).
314 const std::string check = make_port_name_relative (_backend->get_port_name (x->second->port_handle()));
316 x->second->set_name (check);
321 return boost::shared_ptr<Port> ();
325 PortManager::port_renamed (const std::string& old_relative_name, const std::string& new_relative_name)
327 RCUWriter<Ports> writer (ports);
328 boost::shared_ptr<Ports> p = writer.get_copy();
329 Ports::iterator x = p->find (old_relative_name);
332 boost::shared_ptr<Port> port = x->second;
334 p->insert (make_pair (new_relative_name, port));
339 PortManager::get_ports (DataType type, PortList& pl)
341 boost::shared_ptr<Ports> plist = ports.reader();
342 for (Ports::iterator p = plist->begin(); p != plist->end(); ++p) {
343 if (p->second->type() == type) {
344 pl.push_back (p->second);
351 PortManager::get_ports (const string& port_name_pattern, DataType type, PortFlags flags, vector<string>& s)
359 return _backend->get_ports (port_name_pattern, type, flags, s);
363 PortManager::port_registration_failure (const std::string& portname)
369 string full_portname = _backend->my_name();
370 full_portname += ':';
371 full_portname += portname;
374 PortEngine::PortHandle p = _backend->get_port_by_name (full_portname);
378 reason = string_compose (_("a port with the name \"%1\" already exists: check for duplicated track/bus names"), portname);
380 reason = string_compose (_("No more ports are available. You will need to stop %1 and restart with more ports if you need this many tracks."), PROGRAM_NAME);
383 throw PortRegistrationFailure (string_compose (_("AudioEngine: cannot register port \"%1\": %2"), portname, reason).c_str());
388 void operator() (Port* p) {
389 AudioEngine::instance()->add_pending_port_deletion (p);
393 boost::shared_ptr<Port>
394 PortManager::register_port (DataType dtype, const string& portname, bool input, bool async, PortFlags flags)
396 boost::shared_ptr<Port> newport;
398 /* limit the possible flags that can be set */
400 flags = PortFlags (flags & (Hidden|Shadow|IsTerminal));
403 if (dtype == DataType::AUDIO) {
404 DEBUG_TRACE (DEBUG::Ports, string_compose ("registering AUDIO port %1, input %2\n",
406 newport.reset (new AudioPort (portname, PortFlags ((input ? IsInput : IsOutput) | flags)),
408 } else if (dtype == DataType::MIDI) {
410 DEBUG_TRACE (DEBUG::Ports, string_compose ("registering ASYNC MIDI port %1, input %2\n",
412 newport.reset (new AsyncMIDIPort (portname, PortFlags ((input ? IsInput : IsOutput) | flags)),
415 DEBUG_TRACE (DEBUG::Ports, string_compose ("registering MIDI port %1, input %2\n",
417 newport.reset (new MidiPort (portname, PortFlags ((input ? IsInput : IsOutput) | flags)),
421 throw PortRegistrationFailure (string_compose ("unable to create port '%1': %2", portname, _("(unknown type)")));
424 RCUWriter<Ports> writer (ports);
425 boost::shared_ptr<Ports> ps = writer.get_copy ();
426 ps->insert (make_pair (make_port_name_relative (portname), newport));
428 /* writer goes out of scope, forces update */
432 catch (PortRegistrationFailure& err) {
434 } catch (std::exception& e) {
435 throw PortRegistrationFailure (string_compose ("unable to create port '%1': %2", portname, e.what()).c_str());
437 throw PortRegistrationFailure (string_compose ("unable to create port '%1': %2", portname, _("(unknown error)")));
440 DEBUG_TRACE (DEBUG::Ports, string_compose ("\t%2 port registration success, ports now = %1\n", ports.reader()->size(), this));
444 boost::shared_ptr<Port>
445 PortManager::register_input_port (DataType type, const string& portname, bool async, PortFlags extra_flags)
447 return register_port (type, portname, true, async, extra_flags);
450 boost::shared_ptr<Port>
451 PortManager::register_output_port (DataType type, const string& portname, bool async, PortFlags extra_flags)
453 return register_port (type, portname, false, async, extra_flags);
457 PortManager::unregister_port (boost::shared_ptr<Port> port)
459 /* This is a little subtle. We do not call the backend's port
460 * unregistration code from here. That is left for the Port
461 * destructor. We are trying to drop references to the Port object
462 * here, so that its destructor will run and it will unregister itself.
465 /* caller must hold process lock */
468 RCUWriter<Ports> writer (ports);
469 boost::shared_ptr<Ports> ps = writer.get_copy ();
470 Ports::iterator x = ps->find (make_port_name_relative (port->name()));
472 if (x != ps->end()) {
473 DEBUG_TRACE (DEBUG::Ports, string_compose ("removing %1 from port map (uc=%2)\n", port->name(), port.use_count()));
477 /* writer goes out of scope, forces update */
486 PortManager::connected (const string& port_name)
492 PortEngine::PortHandle handle = _backend->get_port_by_name (port_name);
498 return _backend->connected (handle);
502 PortManager::physically_connected (const string& port_name)
508 PortEngine::PortHandle handle = _backend->get_port_by_name (port_name);
514 return _backend->physically_connected (handle);
518 PortManager::get_connections (const string& port_name, std::vector<std::string>& s)
525 PortEngine::PortHandle handle = _backend->get_port_by_name (port_name);
532 return _backend->get_connections (handle, s);
536 PortManager::connect (const string& source, const string& destination)
540 string s = make_port_name_non_relative (source);
541 string d = make_port_name_non_relative (destination);
543 boost::shared_ptr<Port> src = get_port_by_name (s);
544 boost::shared_ptr<Port> dst = get_port_by_name (d);
547 ret = src->connect (d);
549 ret = dst->connect (s);
551 /* neither port is known to us ...hand-off to the PortEngine
554 ret = _backend->connect (s, d);
561 /* already exists - no error, no warning */
562 } else if (ret < 0) {
563 error << string_compose(_("AudioEngine: cannot connect %1 (%2) to %3 (%4)"),
564 source, s, destination, d)
572 PortManager::disconnect (const string& source, const string& destination)
576 string s = make_port_name_non_relative (source);
577 string d = make_port_name_non_relative (destination);
579 boost::shared_ptr<Port> src = get_port_by_name (s);
580 boost::shared_ptr<Port> dst = get_port_by_name (d);
583 ret = src->disconnect (d);
585 ret = dst->disconnect (s);
587 /* neither port is known to us ...hand-off to the PortEngine
590 ret = _backend->disconnect (s, d);
599 PortManager::disconnect (boost::shared_ptr<Port> port)
601 return port->disconnect_all ();
605 PortManager::disconnect (std::string const & name)
607 PortEngine::PortHandle ph = _backend->get_port_by_name (name);
609 return _backend->disconnect_all (ph);
615 PortManager::reestablish_ports ()
619 boost::shared_ptr<Ports> p = ports.reader ();
621 DEBUG_TRACE (DEBUG::Ports, string_compose ("reestablish %1 ports\n", p->size()));
623 for (i = p->begin(); i != p->end(); ++i) {
624 if (i->second->reestablish ()) {
625 error << string_compose (_("Re-establising port %1 failed"), i->second->name()) << endmsg;
626 std::cerr << string_compose (_("Re-establising port %1 failed"), i->second->name()) << std::endl;
641 PortManager::reconnect_ports ()
643 boost::shared_ptr<Ports> p = ports.reader ();
645 if (!Profile->get_trx()) {
646 /* re-establish connections */
648 DEBUG_TRACE (DEBUG::Ports, string_compose ("reconnect %1 ports\n", p->size()));
650 for (Ports::iterator i = p->begin(); i != p->end(); ++i) {
651 i->second->reconnect ();
659 PortManager::connect_callback (const string& a, const string& b, bool conn)
661 boost::shared_ptr<Port> port_a;
662 boost::shared_ptr<Port> port_b;
664 boost::shared_ptr<Ports> pr = ports.reader ();
666 x = pr->find (make_port_name_relative (a));
667 if (x != pr->end()) {
671 x = pr->find (make_port_name_relative (b));
672 if (x != pr->end()) {
677 if (port_a && !port_b) {
678 port_a->increment_external_connections ();
679 } else if (port_b && !port_a) {
680 port_b->increment_external_connections ();
683 if (port_a && !port_b) {
684 port_a->decrement_external_connections ();
685 } else if (port_b && !port_a) {
686 port_b->decrement_external_connections ();
690 PortConnectedOrDisconnected (
698 PortManager::registration_callback ()
700 if (!_port_remove_in_progress) {
703 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
704 midi_info_dirty = true;
707 PortRegisteredOrUnregistered (); /* EMIT SIGNAL */
712 PortManager::can_request_input_monitoring () const
718 return _backend->can_monitor_input ();
722 PortManager::request_input_monitoring (const string& name, bool yn) const
728 PortEngine::PortHandle ph = _backend->get_port_by_name (name);
731 _backend->request_input_monitoring (ph, yn);
736 PortManager::ensure_input_monitoring (const string& name, bool yn) const
742 PortEngine::PortHandle ph = _backend->get_port_by_name (name);
745 _backend->ensure_input_monitoring (ph, yn);
750 PortManager::port_name_size() const
756 return _backend->port_name_size ();
760 PortManager::my_name() const
766 return _backend->my_name();
770 PortManager::graph_order_callback ()
772 if (!_port_remove_in_progress) {
773 GraphReordered(); /* EMIT SIGNAL */
780 PortManager::cycle_start (pframes_t nframes, Session* s)
782 Port::set_global_port_buffer_offset (0);
783 Port::set_cycle_samplecnt (nframes);
785 _cycle_ports = ports.reader ();
788 * - when speed == 1.0, the resampler copies data without processing
789 * it may (or may not) be more efficient to just run all in sequence.
791 * - single sequential task for 'lightweight' tasks would make sense
792 * (run it in parallel with 'heavy' resampling.
793 * * output ports (sends_output()) only set a flag
794 * * midi-ports only scale event timestamps
796 * - a threshold parallel vs searial processing may be appropriate.
797 * amount of work (how many connected ports are there, how
798 * many resamplers need to run) vs. available CPU cores and semaphore
799 * synchronization overhead.
801 * - input ports: it would make sense to resample each input only once
802 * (rather than resample into each ardour-owned input port).
803 * A single external source-port may be connected to many ardour
804 * input-ports. Currently re-sampling is per input.
806 if (s && s->rt_tasklist () && fabs (Port::speed_ratio ()) != 1.0) {
807 RTTaskList::TaskList tl;
808 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
809 tl.push_back (boost::bind (&Port::cycle_start, p->second, nframes));
811 s->rt_tasklist()->process (tl);
813 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
814 p->second->cycle_start (nframes);
820 PortManager::cycle_end (pframes_t nframes, Session* s)
822 // see optimzation note in ::cycle_start()
823 if (s && s->rt_tasklist () && fabs (Port::speed_ratio ()) != 1.0) {
824 RTTaskList::TaskList tl;
825 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
826 tl.push_back (boost::bind (&Port::cycle_end, p->second, nframes));
828 s->rt_tasklist()->process (tl);
830 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
831 p->second->cycle_end (nframes);
835 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
836 p->second->flush_buffers (nframes);
839 _cycle_ports.reset ();
845 PortManager::silence (pframes_t nframes, Session *s)
847 for (Ports::iterator i = _cycle_ports->begin(); i != _cycle_ports->end(); ++i) {
848 if (s && i->second == s->mtc_output_port ()) {
851 if (s && i->second == s->midi_clock_output_port ()) {
854 if (s && i->second == s->ltc_output_port ()) {
857 if (boost::dynamic_pointer_cast<AsyncMIDIPort>(i->second)) {
860 if (i->second->sends_output()) {
861 i->second->get_buffer(nframes).silence(nframes);
867 PortManager::silence_outputs (pframes_t nframes)
869 std::vector<std::string> port_names;
870 if (get_ports("", DataType::AUDIO, IsOutput, port_names)) {
871 for (std::vector<std::string>::iterator p = port_names.begin(); p != port_names.end(); ++p) {
872 if (!port_is_mine(*p)) {
875 PortEngine::PortHandle ph = _backend->get_port_by_name (*p);
879 void *buf = _backend->get_buffer(ph, nframes);
883 memset (buf, 0, sizeof(float) * nframes);
887 if (get_ports("", DataType::MIDI, IsOutput, port_names)) {
888 for (std::vector<std::string>::iterator p = port_names.begin(); p != port_names.end(); ++p) {
889 if (!port_is_mine(*p)) {
892 PortEngine::PortHandle ph = _backend->get_port_by_name (*p);
896 void *buf = _backend->get_buffer(ph, nframes);
900 _backend->midi_clear (buf);
906 PortManager::check_monitoring ()
908 for (Ports::iterator i = _cycle_ports->begin(); i != _cycle_ports->end(); ++i) {
912 if (i->second->last_monitor() != (x = i->second->monitoring_input ())) {
913 i->second->set_last_monitor (x);
914 /* XXX I think this is dangerous, due to
915 a likely mutex in the signal handlers ...
917 i->second->MonitorInputChanged (x); /* EMIT SIGNAL */
923 PortManager::cycle_end_fade_out (gain_t base_gain, gain_t gain_step, pframes_t nframes, Session* s)
925 // see optimzation note in ::cycle_start()
926 if (s && s->rt_tasklist () && fabs (Port::speed_ratio ()) != 1.0) {
927 RTTaskList::TaskList tl;
928 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
929 tl.push_back (boost::bind (&Port::cycle_end, p->second, nframes));
931 s->rt_tasklist()->process (tl);
933 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
934 p->second->cycle_end (nframes);
938 for (Ports::iterator p = _cycle_ports->begin(); p != _cycle_ports->end(); ++p) {
939 p->second->flush_buffers (nframes);
941 if (p->second->sends_output()) {
943 boost::shared_ptr<AudioPort> ap = boost::dynamic_pointer_cast<AudioPort> (p->second);
945 Sample* s = ap->engine_get_whole_audio_buffer ();
946 gain_t g = base_gain;
948 for (pframes_t n = 0; n < nframes; ++n) {
955 _cycle_ports.reset ();
960 PortManager::port_engine()
967 PortManager::port_is_control_only (std::string const& name)
969 static regex_t compiled_pattern;
970 static string pattern;
972 if (pattern.empty()) {
974 /* This is a list of regular expressions that match ports
975 * related to physical MIDI devices that we do not want to
976 * expose as normal physical ports.
979 const char * const control_only_ports[] = {
980 X_(".*Ableton Push.*"),
981 X_(".*FaderPort .*"),
982 X_(".*FaderPort8 .*"),
983 X_(".*FaderPort16 .*"),
984 X_(".*FaderPort2 .*"),
990 for (size_t n = 0; n < sizeof (control_only_ports)/sizeof (control_only_ports[0]); ++n) {
994 pattern += control_only_ports[n];
998 regcomp (&compiled_pattern, pattern.c_str(), REG_EXTENDED|REG_NOSUB);
1001 return regexec (&compiled_pattern, name.c_str(), 0, 0, 0) == 0;
1004 PortManager::MidiPortInformation
1005 PortManager::midi_port_information (std::string const & name)
1007 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1009 fill_midi_port_info_locked ();
1011 MidiPortInfo::iterator x = midi_port_info.find (name);
1013 if (x != midi_port_info.end()) {
1017 return MidiPortInformation (string(), false, MidiPortFlags(0), false);
1021 PortManager::get_known_midi_ports (vector<string>& copy)
1023 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1025 fill_midi_port_info_locked ();
1027 for (MidiPortInfo::const_iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
1028 copy.push_back (x->first);
1033 PortManager::get_midi_selection_ports (vector<string>& copy)
1035 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1037 fill_midi_port_info_locked ();
1039 for (MidiPortInfo::const_iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
1040 if (x->second.properties & MidiPortSelection) {
1041 copy.push_back (x->first);
1047 PortManager::set_port_pretty_name (string const & port, string const & pretty)
1051 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1053 fill_midi_port_info_locked ();
1055 MidiPortInfo::iterator x = midi_port_info.find (port);
1056 if (x == midi_port_info.end()) {
1059 x->second.pretty_name = pretty;
1063 /* push into back end */
1065 PortEngine::PortHandle ph = _backend->get_port_by_name (port);
1068 _backend->set_port_property (ph, "http://jackaudio.org/metadata/pretty-name", pretty, string());
1072 MidiPortInfoChanged (); /* EMIT SIGNAL*/
1077 PortManager::add_midi_port_flags (string const & port, MidiPortFlags flags)
1082 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1084 fill_midi_port_info_locked ();
1086 MidiPortInfo::iterator x = midi_port_info.find (port);
1087 if (x != midi_port_info.end()) {
1088 if ((x->second.properties & flags) != flags) { // at least one missing
1089 x->second.properties = MidiPortFlags (x->second.properties | flags);
1096 if (flags & MidiPortSelection) {
1097 MidiSelectionPortsChanged (); /* EMIT SIGNAL */
1100 if (flags != MidiPortSelection) {
1101 MidiPortInfoChanged (); /* EMIT SIGNAL */
1104 save_midi_port_info ();
1109 PortManager::remove_midi_port_flags (string const & port, MidiPortFlags flags)
1114 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1116 fill_midi_port_info_locked ();
1118 MidiPortInfo::iterator x = midi_port_info.find (port);
1119 if (x != midi_port_info.end()) {
1120 if (x->second.properties & flags) { // at least one is set
1121 x->second.properties = MidiPortFlags (x->second.properties & ~flags);
1128 if (flags & MidiPortSelection) {
1129 MidiSelectionPortsChanged (); /* EMIT SIGNAL */
1132 if (flags != MidiPortSelection) {
1133 MidiPortInfoChanged (); /* EMIT SIGNAL */
1136 save_midi_port_info ();
1141 PortManager::midi_port_info_file ()
1143 return Glib::build_filename (user_config_directory(), X_("midi_port_info"));
1147 PortManager::save_midi_port_info ()
1149 string path = midi_port_info_file ();
1151 XMLNode* root = new XMLNode (X_("MidiPortInfo"));
1154 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1156 if (midi_port_info.empty()) {
1161 for (MidiPortInfo::iterator i = midi_port_info.begin(); i != midi_port_info.end(); ++i) {
1162 XMLNode* node = new XMLNode (X_("port"));
1163 node->set_property (X_("name"), i->first);
1164 node->set_property (X_("canonical-name"), i->second.canonical_name);
1165 node->set_property (X_("input"), i->second.input);
1166 node->set_property (X_("properties"), i->second.properties);
1167 root->add_child_nocopy (*node);
1173 tree.set_root (root);
1175 if (!tree.write (path)) {
1176 error << string_compose (_("Could not save MIDI port info to %1"), path) << endmsg;
1181 PortManager::load_midi_port_info ()
1183 string path = midi_port_info_file ();
1186 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
1190 if (!tree.read (path)) {
1191 error << string_compose (_("Cannot load MIDI port info from %1"), path) << endmsg;
1195 midi_port_info.clear ();
1197 for (XMLNodeConstIterator i = tree.root()->children().begin(); i != tree.root()->children().end(); ++i) {
1201 MidiPortFlags properties;
1204 if (!(*i)->get_property (X_("name"), name) ||
1205 !(*i)->get_property (X_("canonical-name"), canonical) ||
1206 !(*i)->get_property (X_("input"), input) ||
1207 !(*i)->get_property (X_("properties"), properties)) {
1211 MidiPortInformation mpi (canonical, input, properties, false);
1213 midi_port_info.insert (make_pair (name, mpi));
1218 PortManager::fill_midi_port_info ()
1221 Glib::Threads::Mutex::Lock lm (midi_port_info_mutex);
1222 fill_midi_port_info_locked ();
1225 save_midi_port_info ();
1229 PortManager::fill_midi_port_info_locked ()
1231 /* MIDI info mutex MUST be held */
1233 if (!midi_info_dirty || !_backend) {
1237 std::vector<string> ports;
1239 AudioEngine::instance()->get_ports (string(), DataType::MIDI, IsOutput, ports);
1241 for (vector<string>::iterator p = ports.begin(); p != ports.end(); ++p) {
1243 if (port_is_mine (*p)) {
1247 if (midi_port_info.find (*p) == midi_port_info.end()) {
1249 MidiPortFlags flags (MidiPortFlags (0));
1251 if (port_is_control_only (*p)) {
1252 flags = MidiPortControl;
1255 MidiPortInformation mpi (string_compose ("%1%4%2%4%3", _backend->name(), _backend->device_name(), *p, MIDI_PORT_INFO_SEPARATOR_CHAR),
1261 if ((*p.find (X_("Midi Through")) != string::npos || (*p).find (X_("Midi-Through")) != string::npos)) {
1262 mpi.properties = MidiPortFlags (mpi.properties | MidiPortVirtual);
1265 midi_port_info.insert (make_pair (*p, mpi));
1269 AudioEngine::instance()->get_ports (string(), DataType::MIDI, IsInput, ports);
1271 for (vector<string>::iterator p = ports.begin(); p != ports.end(); ++p) {
1273 if (port_is_mine (*p)) {
1277 if (midi_port_info.find (*p) == midi_port_info.end()) {
1279 MidiPortFlags flags (MidiPortFlags (0));
1281 if (port_is_control_only (*p)) {
1282 flags = MidiPortControl;
1285 MidiPortInformation mpi (string_compose ("%1%4%2%4%3", _backend->name(), _backend->device_name(), *p, MIDI_PORT_INFO_SEPARATOR_CHAR),
1291 if ((*p.find (X_("Midi Through")) != string::npos || (*p).find (X_("Midi-Through")) != string::npos)) {
1292 mpi.properties = MidiPortFlags (mpi.properties | MidiPortVirtual);
1295 midi_port_info.insert (make_pair (*p, mpi));
1299 /* now check with backend about which ports are present and pull
1300 * pretty-name if it exists
1303 for (MidiPortInfo::iterator x = midi_port_info.begin(); x != midi_port_info.end(); ++x) {
1305 vector<string> parts;
1307 /*PBD::*/split (x->second.canonical_name, parts, MIDI_PORT_INFO_SEPARATOR_CHAR);
1308 assert (parts.size() == 3);
1310 if (parts[0] != _backend->name()) {
1311 x->second.exists = false;
1315 if (parts[1] != _backend->device_name()) {
1316 x->second.exists = false;
1320 PortEngine::PortHandle ph = _backend->get_port_by_name (parts[2]);
1323 /* port info saved from some condition where this port
1324 * existed, but no longer does (i.e. device unplugged
1325 * at present). We don't remove it from midi_port_info.
1327 x->second.exists = false;
1330 x->second.exists = true;
1331 /* check with backend for pre-existing pretty name */
1335 value = AudioEngine::instance()->get_pretty_name_by_name (x->first);
1337 if (!value.empty()) {
1338 x->second.pretty_name = value;
1340 x->second.pretty_name = parts[2];
1345 midi_info_dirty = false;