2 Copyright (C) 1999-2010 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.
27 #include <cstdio> /* sprintf(3) ... grrr */
33 #include <glibmm/thread.h>
34 #include <glibmm/miscutils.h>
35 #include <glibmm/fileutils.h>
37 #include <boost/algorithm/string/erase.hpp>
39 #include "pbd/error.h"
40 #include "pbd/boost_debug.h"
41 #include "pbd/pathscanner.h"
42 #include "pbd/stl_delete.h"
43 #include "pbd/basename.h"
44 #include "pbd/stacktrace.h"
45 #include "pbd/file_utils.h"
46 #include "pbd/convert.h"
47 #include "pbd/strsplit.h"
49 #include "ardour/amp.h"
50 #include "ardour/analyser.h"
51 #include "ardour/audio_buffer.h"
52 #include "ardour/audio_diskstream.h"
53 #include "ardour/audio_port.h"
54 #include "ardour/audio_track.h"
55 #include "ardour/audioengine.h"
56 #include "ardour/audiofilesource.h"
57 #include "ardour/audioplaylist.h"
58 #include "ardour/audioregion.h"
59 #include "ardour/auditioner.h"
60 #include "ardour/buffer_manager.h"
61 #include "ardour/buffer_set.h"
62 #include "ardour/bundle.h"
63 #include "ardour/butler.h"
64 #include "ardour/click.h"
65 #include "ardour/configuration.h"
66 #include "ardour/crossfade.h"
67 #include "ardour/cycle_timer.h"
68 #include "ardour/data_type.h"
69 #include "ardour/debug.h"
70 #include "ardour/filename_extensions.h"
71 #include "ardour/internal_send.h"
72 #include "ardour/io_processor.h"
73 #include "ardour/midi_diskstream.h"
74 #include "ardour/midi_playlist.h"
75 #include "ardour/midi_region.h"
76 #include "ardour/midi_track.h"
77 #include "ardour/midi_ui.h"
78 #include "ardour/named_selection.h"
79 #include "ardour/process_thread.h"
80 #include "ardour/playlist.h"
81 #include "ardour/plugin_insert.h"
82 #include "ardour/port_insert.h"
83 #include "ardour/processor.h"
84 #include "ardour/rc_configuration.h"
85 #include "ardour/recent_sessions.h"
86 #include "ardour/region_factory.h"
87 #include "ardour/return.h"
88 #include "ardour/route_group.h"
89 #include "ardour/send.h"
90 #include "ardour/session.h"
91 #include "ardour/session_directory.h"
92 #include "ardour/session_directory.h"
93 #include "ardour/session_metadata.h"
94 #include "ardour/session_playlists.h"
95 #include "ardour/slave.h"
96 #include "ardour/smf_source.h"
97 #include "ardour/source_factory.h"
98 #include "ardour/tape_file_matcher.h"
99 #include "ardour/tempo.h"
100 #include "ardour/utils.h"
101 #include "ardour/graph.h"
102 #include "ardour/vbap_speakers.h"
104 #include "midi++/port.h"
105 #include "midi++/mmc.h"
106 #include "midi++/manager.h"
111 using namespace ARDOUR;
114 bool Session::_disable_all_loaded_plugins = false;
116 PBD::Signal1<void,std::string> Session::Dialog;
117 PBD::Signal0<int> Session::AskAboutPendingState;
118 PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
119 PBD::Signal0<void> Session::SendFeedback;
120 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
122 PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
123 PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
124 PBD::Signal0<void> Session::AutoBindingOn;
125 PBD::Signal0<void> Session::AutoBindingOff;
126 PBD::Signal2<void,std::string, std::string> Session::Exported;
127 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
128 PBD::Signal0<void> Session::Quit;
130 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
131 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
133 Session::Session (AudioEngine &eng,
134 const string& fullpath,
135 const string& snapshot_name,
136 BusProfile* bus_profile,
140 , _target_transport_speed (0.0)
141 , _requested_return_frame (-1)
142 , _session_dir (new SessionDirectory(fullpath))
144 , _state_of_the_state (Clean)
145 , _butler (new Butler (*this))
146 , _post_transport_work (0)
147 , _send_timecode_update (false)
148 , _all_route_group (new RouteGroup (*this, "all"))
149 , route_graph (new Graph(*this))
150 , routes (new RouteList)
151 , _total_free_4k_blocks (0)
152 , _bundles (new BundleList)
153 , _bundle_xml_node (0)
154 , _click_io ((IO*) 0)
156 , click_emphasis_data (0)
158 , _metadata (new SessionMetadata())
159 , _have_rec_enabled_track (false)
160 , _suspend_timecode_transmission (0)
162 _locations = new Locations (*this);
164 playlists.reset (new SessionPlaylists);
166 _all_route_group->set_active (true, this);
168 interpolation.add_channel_to (0, 0);
170 if (!eng.connected()) {
171 throw failed_constructor();
174 n_physical_outputs = _engine.n_physical_outputs ();
175 n_physical_inputs = _engine.n_physical_inputs ();
177 first_stage_init (fullpath, snapshot_name);
179 _is_new = !Glib::file_test (_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR));
182 if (create (mix_template, bus_profile)) {
184 throw failed_constructor ();
188 if (second_stage_init ()) {
190 throw failed_constructor ();
193 store_recent_sessions(_name, _path);
195 bool was_dirty = dirty();
197 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
199 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
200 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
203 DirtyChanged (); /* EMIT SIGNAL */
206 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
207 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
220 vector<void*> debug_pointers;
222 /* if we got to here, leaving pending capture state around
226 remove_pending_capture_state ();
228 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
230 _engine.remove_session ();
232 /* clear history so that no references to objects are held any more */
236 /* clear state tree so that no references to objects are held any more */
240 /* remove all stubfiles that might still be lurking */
242 cleanup_stubfiles ();
244 /* reset dynamic state version back to default */
246 Stateful::loading_state_version = 0;
248 _butler->drop_references ();
250 delete midi_control_ui;
251 delete _all_route_group;
253 if (click_data != default_click) {
254 delete [] click_data;
257 if (click_emphasis_data != default_click_emphasis) {
258 delete [] click_emphasis_data;
263 /* clear out any pending dead wood from RCU managed objects */
268 AudioDiskstream::free_working_buffers();
270 /* tell everyone who is still standing that we're about to die */
273 /* tell everyone to drop references and delete objects as we go */
275 DEBUG_TRACE (DEBUG::Destruction, "delete named selections\n");
276 named_selections.clear ();
278 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
279 RegionFactory::delete_all_regions ();
281 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
283 /* reset these three references to special routes before we do the usual route delete thing */
286 _master_out.reset ();
287 _monitor_out.reset ();
290 RCUWriter<RouteList> writer (routes);
291 boost::shared_ptr<RouteList> r = writer.get_copy ();
293 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
294 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
295 (*i)->drop_references ();
299 /* writer goes out of scope and updates master */
303 boost::shared_ptr<RouteList> r = routes.reader ();
305 DEBUG_TRACE (DEBUG::Destruction, "delete sources\n");
306 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
307 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for source %1 ; pre-ref = %2\n", i->second->path(), i->second.use_count()));
308 i->second->drop_references ();
313 DEBUG_TRACE (DEBUG::Destruction, "delete route groups\n");
314 for (list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
319 Crossfade::set_buffer_size (0);
321 /* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
324 boost_debug_list_ptrs ();
329 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
333 Session::set_worst_io_latencies ()
335 _worst_output_latency = 0;
336 _worst_input_latency = 0;
338 if (!_engine.connected()) {
342 boost::shared_ptr<RouteList> r = routes.reader ();
344 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
345 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
346 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
351 Session::when_engine_running ()
353 string first_physical_output;
355 BootMessage (_("Set block size and sample rate"));
357 set_block_size (_engine.frames_per_cycle());
358 set_frame_rate (_engine.frame_rate());
360 BootMessage (_("Using configuration"));
362 boost::function<void (std::string)> ff (boost::bind (&Session::config_changed, this, _1, false));
363 boost::function<void (std::string)> ft (boost::bind (&Session::config_changed, this, _1, true));
365 Config->map_parameters (ff);
366 config.map_parameters (ft);
368 /* every time we reconnect, recompute worst case output latencies */
370 _engine.Running.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies, this));
372 if (synced_to_jack()) {
373 _engine.transport_stop ();
376 if (config.get_jack_time_master()) {
377 _engine.transport_locate (_transport_frame);
385 _click_io.reset (new ClickIO (*this, "click"));
387 if (state_tree && (child = find_named_node (*state_tree->root(), "Click")) != 0) {
389 /* existing state for Click */
392 if (Stateful::loading_state_version < 3000) {
393 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
395 c = _click_io->set_state (*child->children().front(), Stateful::loading_state_version);
400 _clicking = Config->get_clicking ();
404 error << _("could not setup Click I/O") << endmsg;
411 /* default state for Click: dual-mono to first 2 physical outputs */
414 _engine.get_physical_outputs (DataType::AUDIO, outs);
416 for (uint32_t physport = 0; physport < 2; ++physport) {
417 if (outs.size() > physport) {
418 if (_click_io->add_port (outs[physport], this)) {
419 // relax, even though its an error
424 if (_click_io->n_ports () > ChanCount::ZERO) {
425 _clicking = Config->get_clicking ();
430 catch (failed_constructor& err) {
431 error << _("cannot setup Click I/O") << endmsg;
434 BootMessage (_("Compute I/O Latencies"));
436 set_worst_io_latencies ();
439 // XXX HOW TO ALERT UI TO THIS ? DO WE NEED TO?
442 BootMessage (_("Set up standard connections"));
444 vector<string> inputs[DataType::num_types];
445 vector<string> outputs[DataType::num_types];
446 for (uint32_t i = 0; i < DataType::num_types; ++i) {
447 _engine.get_physical_inputs (DataType (DataType::Symbol (i)), inputs[i]);
448 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
451 /* Create a set of Bundle objects that map
452 to the physical I/O currently available. We create both
453 mono and stereo bundles, so that the common cases of mono
454 and stereo tracks get bundles to put in their mixer strip
455 in / out menus. There may be a nicer way of achieving that;
456 it doesn't really scale that well to higher channel counts
459 /* mono output bundles */
461 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
463 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
465 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
466 c->add_channel (_("mono"), DataType::AUDIO);
467 c->set_port (0, outputs[DataType::AUDIO][np]);
472 /* stereo output bundles */
474 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
475 if (np + 1 < outputs[DataType::AUDIO].size()) {
477 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
478 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
479 c->add_channel (_("L"), DataType::AUDIO);
480 c->set_port (0, outputs[DataType::AUDIO][np]);
481 c->add_channel (_("R"), DataType::AUDIO);
482 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
488 /* mono input bundles */
490 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
492 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
494 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
495 c->add_channel (_("mono"), DataType::AUDIO);
496 c->set_port (0, inputs[DataType::AUDIO][np]);
501 /* stereo input bundles */
503 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
504 if (np + 1 < inputs[DataType::AUDIO].size()) {
506 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
508 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
509 c->add_channel (_("L"), DataType::AUDIO);
510 c->set_port (0, inputs[DataType::AUDIO][np]);
511 c->add_channel (_("R"), DataType::AUDIO);
512 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
518 /* MIDI input bundles */
520 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
521 string n = inputs[DataType::MIDI][np];
522 boost::erase_first (n, X_("alsa_pcm:"));
524 boost::shared_ptr<Bundle> c (new Bundle (n, false));
525 c->add_channel ("", DataType::MIDI);
526 c->set_port (0, inputs[DataType::MIDI][np]);
530 /* MIDI output bundles */
532 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
533 string n = outputs[DataType::MIDI][np];
534 boost::erase_first (n, X_("alsa_pcm:"));
536 boost::shared_ptr<Bundle> c (new Bundle (n, true));
537 c->add_channel ("", DataType::MIDI);
538 c->set_port (0, outputs[DataType::MIDI][np]);
542 BootMessage (_("Setup signal flow and plugins"));
546 if (_is_new && !no_auto_connect()) {
548 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
550 /* don't connect the master bus outputs if there is a monitor bus */
552 if (_master_out && Config->get_auto_connect_standard_busses() && !_monitor_out) {
554 /* if requested auto-connect the outputs to the first N physical ports.
557 uint32_t limit = _master_out->n_outputs().n_total();
559 for (uint32_t n = 0; n < limit; ++n) {
560 Port* p = _master_out->output()->nth (n);
562 if (outputs[p->type()].size() > n) {
563 connect_to = outputs[p->type()][n];
566 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
567 if (_master_out->output()->connect (p, connect_to, this)) {
568 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
578 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
579 are undefined, at best.
582 /* control out listens to master bus (but ignores it
583 under some conditions)
586 uint32_t limit = _monitor_out->n_inputs().n_audio();
589 for (uint32_t n = 0; n < limit; ++n) {
590 AudioPort* p = _monitor_out->input()->ports().nth_audio_port (n);
591 AudioPort* o = _master_out->output()->ports().nth_audio_port (n);
594 string connect_to = o->name();
595 if (_monitor_out->input()->connect (p, connect_to, this)) {
596 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
604 /* if control out is not connected, connect control out to physical outs
607 if (!_monitor_out->output()->connected ()) {
609 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
611 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
614 _monitor_out->output()->connect_ports_to_bundle (b, this);
616 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
617 Config->get_monitor_bus_preferred_bundle())
623 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
624 uint32_t mod = n_physical_outputs.get (*t);
625 uint32_t limit = _monitor_out->n_outputs().get(*t);
627 for (uint32_t n = 0; n < limit; ++n) {
629 Port* p = _monitor_out->output()->ports().port(*t, n);
631 if (outputs[*t].size() > (n % mod)) {
632 connect_to = outputs[*t][n % mod];
635 if (!connect_to.empty()) {
636 if (_monitor_out->output()->connect (p, connect_to, this)) {
637 error << string_compose (
638 _("cannot connect control output %1 to %2"),
651 /* catch up on send+insert cnts */
653 _state_of_the_state = StateOfTheState (_state_of_the_state & ~(CannotSave|Dirty));
655 /* hook us up to the engine */
657 BootMessage (_("Connect to engine"));
659 _engine.set_session (this);
663 Session::hookup_io ()
665 /* stop graph reordering notifications from
666 causing resorts, etc.
669 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
674 /* we delay creating the auditioner till now because
675 it makes its own connections to ports.
679 Auditioner* a = new Auditioner (*this);
682 throw failed_constructor();
684 a->use_new_diskstream ();
685 auditioner.reset (a);
688 catch (failed_constructor& err) {
689 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
693 /* load bundles, which we may have postponed earlier on */
694 if (_bundle_xml_node) {
695 load_bundles (*_bundle_xml_node);
696 delete _bundle_xml_node;
699 /* Tell all IO objects to connect themselves together */
701 IO::enable_connecting ();
702 MIDI::Port::MakeConnections ();
704 /* Now reset all panners */
706 Delivery::reset_panners ();
708 /* Connect tracks to monitor/listen bus if there is one.
709 Note that in an existing session, the internal sends will
710 already exist, but we want the routes to notice that
711 they connect to the control out specifically.
715 boost::shared_ptr<RouteList> r = routes.reader ();
716 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
718 if ((*x)->is_monitor()) {
722 } else if ((*x)->is_master()) {
728 (*x)->listen_via (_monitor_out,
729 (Config->get_listen_position() == AfterFaderListen ? PostFader : PreFader),
735 /* Anyone who cares about input state, wake up and do something */
737 IOConnectionsComplete (); /* EMIT SIGNAL */
739 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
741 /* now handle the whole enchilada as if it was one
747 /* update the full solo state, which can't be
748 correctly determined on a per-route basis, but
749 needs the global overview that only the session
753 update_route_solo_state ();
757 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
759 boost::shared_ptr<Track> track = wp.lock ();
764 boost::shared_ptr<Playlist> playlist;
766 if ((playlist = track->playlist()) != 0) {
767 playlist->LengthChanged.connect_same_thread (*this, boost::bind (&Session::update_session_range_location_marker, this));
768 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::update_session_range_location_marker, this));
771 update_session_range_location_marker ();
775 Session::record_enabling_legal () const
777 /* this used to be in here, but survey says.... we don't need to restrict it */
778 // if (record_status() == Recording) {
782 if (Config->get_all_safe()) {
789 Session::reset_input_monitor_state ()
791 if (transport_rolling()) {
793 boost::shared_ptr<RouteList> rl = routes.reader ();
794 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
795 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
796 if (tr && tr->record_enabled ()) {
797 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
798 tr->monitor_input (Config->get_monitoring_model() == HardwareMonitoring && !config.get_auto_input());
804 boost::shared_ptr<RouteList> rl = routes.reader ();
805 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
806 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
807 if (tr && tr->record_enabled ()) {
808 //cerr << "switching to input = " << !Config->get_auto_input() << __FILE__ << __LINE__ << endl << endl;
809 tr->monitor_input (Config->get_monitoring_model() == HardwareMonitoring);
816 Session::auto_punch_start_changed (Location* location)
818 replace_event (SessionEvent::PunchIn, location->start());
820 if (get_record_enabled() && config.get_punch_in()) {
821 /* capture start has been changed, so save new pending state */
822 save_state ("", true);
827 Session::auto_punch_end_changed (Location* location)
829 framepos_t when_to_stop = location->end();
830 // when_to_stop += _worst_output_latency + _worst_input_latency;
831 replace_event (SessionEvent::PunchOut, when_to_stop);
835 Session::auto_punch_changed (Location* location)
837 framepos_t when_to_stop = location->end();
839 replace_event (SessionEvent::PunchIn, location->start());
840 //when_to_stop += _worst_output_latency + _worst_input_latency;
841 replace_event (SessionEvent::PunchOut, when_to_stop);
845 Session::auto_loop_changed (Location* location)
847 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
849 if (transport_rolling() && play_loop) {
852 // if (_transport_frame > location->end()) {
854 if (_transport_frame < location->start() || _transport_frame > location->end()) {
855 // relocate to beginning of loop
856 clear_events (SessionEvent::LocateRoll);
858 request_locate (location->start(), true);
861 else if (Config->get_seamless_loop() && !loop_changing) {
863 // schedule a locate-roll to refill the diskstreams at the
865 loop_changing = true;
867 if (location->end() > last_loopend) {
868 clear_events (SessionEvent::LocateRoll);
869 SessionEvent *ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, last_loopend, last_loopend, 0, true);
876 last_loopend = location->end();
880 Session::set_auto_punch_location (Location* location)
884 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
885 punch_connections.drop_connections();
886 existing->set_auto_punch (false, this);
887 remove_event (existing->start(), SessionEvent::PunchIn);
888 clear_events (SessionEvent::PunchOut);
889 auto_punch_location_changed (0);
898 if (location->end() <= location->start()) {
899 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
903 punch_connections.drop_connections ();
905 location->start_changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, _1));
906 location->end_changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, _1));
907 location->changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, _1));
909 location->set_auto_punch (true, this);
911 auto_punch_changed (location);
913 auto_punch_location_changed (location);
917 Session::set_auto_loop_location (Location* location)
921 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
922 loop_connections.drop_connections ();
923 existing->set_auto_loop (false, this);
924 remove_event (existing->end(), SessionEvent::AutoLoop);
925 auto_loop_location_changed (0);
934 if (location->end() <= location->start()) {
935 error << _("Session: you can't use a mark for auto loop") << endmsg;
939 last_loopend = location->end();
941 loop_connections.drop_connections ();
943 location->start_changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
944 location->end_changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
945 location->changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
947 location->set_auto_loop (true, this);
949 /* take care of our stuff first */
951 auto_loop_changed (location);
953 /* now tell everyone else */
955 auto_loop_location_changed (location);
959 Session::locations_added (Location *)
965 Session::locations_changed ()
967 _locations->apply (*this, &Session::handle_locations_changed);
971 Session::handle_locations_changed (Locations::LocationList& locations)
973 Locations::LocationList::iterator i;
975 bool set_loop = false;
976 bool set_punch = false;
978 for (i = locations.begin(); i != locations.end(); ++i) {
982 if (location->is_auto_punch()) {
983 set_auto_punch_location (location);
986 if (location->is_auto_loop()) {
987 set_auto_loop_location (location);
991 if (location->is_session_range()) {
992 _session_range_location = location;
997 set_auto_loop_location (0);
1000 set_auto_punch_location (0);
1007 Session::enable_record ()
1010 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
1012 if (rs == Recording) {
1016 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
1018 _last_record_location = _transport_frame;
1019 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
1021 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1023 boost::shared_ptr<RouteList> rl = routes.reader ();
1024 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1025 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1026 if (tr && tr->record_enabled ()) {
1027 tr->monitor_input (true);
1032 RecordStateChanged ();
1039 Session::disable_record (bool rt_context, bool force)
1043 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1045 if ((!Config->get_latched_record_enable () && !play_loop) || force) {
1046 g_atomic_int_set (&_record_status, Disabled);
1047 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
1049 if (rs == Recording) {
1050 g_atomic_int_set (&_record_status, Enabled);
1054 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1056 boost::shared_ptr<RouteList> rl = routes.reader ();
1057 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1058 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1059 if (tr && tr->record_enabled ()) {
1060 tr->monitor_input (false);
1065 RecordStateChanged (); /* emit signal */
1068 remove_pending_capture_state ();
1074 Session::step_back_from_record ()
1076 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
1078 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1079 boost::shared_ptr<RouteList> rl = routes.reader ();
1080 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1081 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1082 if (tr && tr->record_enabled ()) {
1083 //cerr << "switching from input" << __FILE__ << __LINE__ << endl << endl;
1084 tr->monitor_input (false);
1092 Session::maybe_enable_record ()
1094 if (_step_editors > 0) {
1098 g_atomic_int_set (&_record_status, Enabled);
1100 /* This function is currently called from somewhere other than an RT thread.
1101 This save_state() call therefore doesn't impact anything. Doing it here
1102 means that we save pending state of which sources the next record will use,
1103 which gives us some chance of recovering from a crash during the record.
1106 save_state ("", true);
1108 if (_transport_speed) {
1109 if (!config.get_punch_in()) {
1113 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
1114 RecordStateChanged (); /* EMIT SIGNAL */
1121 Session::audible_frame () const
1127 /* the first of these two possible settings for "offset"
1128 mean that the audible frame is stationary until
1129 audio emerges from the latency compensation
1132 the second means that the audible frame is stationary
1133 until audio would emerge from a physical port
1134 in the absence of any plugin latency compensation
1137 offset = _worst_output_latency;
1139 if (offset > current_block_size) {
1140 offset -= current_block_size;
1142 /* XXX is this correct? if we have no external
1143 physical connections and everything is internal
1144 then surely this is zero? still, how
1145 likely is that anyway?
1147 offset = current_block_size;
1150 if (synced_to_jack()) {
1151 tf = _engine.transport_frame();
1153 tf = _transport_frame;
1158 if (!non_realtime_work_pending()) {
1162 /* Check to see if we have passed the first guaranteed
1163 audible frame past our last start position. if not,
1164 return that last start point because in terms
1165 of audible frames, we have not moved yet.
1167 `Start position' in this context means the time we last
1168 either started or changed transport direction.
1171 if (_transport_speed > 0.0f) {
1173 if (!play_loop || !have_looped) {
1174 if (tf < _last_roll_or_reversal_location + offset) {
1175 return _last_roll_or_reversal_location;
1183 } else if (_transport_speed < 0.0f) {
1185 /* XXX wot? no backward looping? */
1187 if (tf > _last_roll_or_reversal_location - offset) {
1188 return _last_roll_or_reversal_location;
1200 Session::set_frame_rate (framecnt_t frames_per_second)
1202 /** \fn void Session::set_frame_size(framecnt_t)
1203 the AudioEngine object that calls this guarantees
1204 that it will not be called while we are also in
1205 ::process(). Its fine to do things that block
1209 _base_frame_rate = frames_per_second;
1213 Automatable::set_automation_interval (ceil ((double) frames_per_second * (0.001 * Config->get_automation_interval())));
1217 // XXX we need some equivalent to this, somehow
1218 // SndFileSource::setup_standard_crossfades (frames_per_second);
1222 /* XXX need to reset/reinstantiate all LADSPA plugins */
1226 Session::set_block_size (pframes_t nframes)
1228 /* the AudioEngine guarantees
1229 that it will not be called while we are also in
1230 ::process(). It is therefore fine to do things that block
1235 current_block_size = nframes;
1239 boost::shared_ptr<RouteList> r = routes.reader ();
1241 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1242 (*i)->set_block_size (nframes);
1245 boost::shared_ptr<RouteList> rl = routes.reader ();
1246 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1247 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1249 tr->set_block_size (nframes);
1253 set_worst_io_latencies ();
1258 Session::set_default_fade (float /*steepness*/, float /*fade_msecs*/)
1261 framecnt_t fade_frames;
1263 /* Don't allow fade of less 1 frame */
1265 if (fade_msecs < (1000.0 * (1.0/_current_frame_rate))) {
1272 fade_frames = (framecnt_t) floor (fade_msecs * _current_frame_rate * 0.001);
1276 default_fade_msecs = fade_msecs;
1277 default_fade_steepness = steepness;
1280 // jlc, WTF is this!
1281 Glib::RWLock::ReaderLock lm (route_lock);
1282 AudioRegion::set_default_fade (steepness, fade_frames);
1287 /* XXX have to do this at some point */
1288 /* foreach region using default fade, reset, then
1289 refill_all_diskstream_buffers ();
1294 struct RouteSorter {
1295 /** @return true to run r1 before r2, otherwise false */
1296 bool operator() (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> r2) {
1297 if (r2->feeds (r1)) {
1298 /* r1 fed by r2; run r2 early */
1300 } else if (r1->feeds (r2)) {
1301 /* r2 fed by r1; run r1 early */
1304 if (r1->not_fed ()) {
1305 if (r2->not_fed ()) {
1306 /* no ardour-based connections inbound to either route. just use signal order */
1307 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1309 /* r2 has connections, r1 does not; run r1 early */
1313 if (r2->not_fed()) {
1314 /* r1 has connections, r2 does not; run r2 early */
1317 /* both r1 and r2 have connections, but not to each other. just use signal order */
1318 return r1->order_key(N_("signal")) < r2->order_key(N_("signal"));
1326 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
1328 boost::shared_ptr<Route> r2;
1330 if (r1->feeds (rbase) && rbase->feeds (r1)) {
1331 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
1335 /* make a copy of the existing list of routes that feed r1 */
1337 Route::FedBy existing (r1->fed_by());
1339 /* for each route that feeds r1, recurse, marking it as feeding
1343 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
1344 if (!(r2 = i->r.lock ())) {
1345 /* (*i) went away, ignore it */
1349 /* r2 is a route that feeds r1 which somehow feeds base. mark
1350 base as being fed by r2
1353 rbase->add_fed_by (r2, i->sends_only);
1357 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
1361 if (r1->feeds (r2) && r2->feeds (r1)) {
1365 /* now recurse, so that we can mark base as being fed by
1366 all routes that feed r2
1369 trace_terminal (r2, rbase);
1376 Session::resort_routes ()
1378 /* don't do anything here with signals emitted
1379 by Routes while we are being destroyed.
1382 if (_state_of_the_state & Deletion) {
1387 RCUWriter<RouteList> writer (routes);
1388 boost::shared_ptr<RouteList> r = writer.get_copy ();
1389 resort_routes_using (r);
1390 /* writer goes out of scope and forces update */
1393 //route_graph->dump(1);
1396 boost::shared_ptr<RouteList> rl = routes.reader ();
1397 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1398 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
1400 const Route::FedBy& fb ((*i)->fed_by());
1402 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
1403 boost::shared_ptr<Route> sf = f->r.lock();
1405 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
1413 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
1415 RouteList::iterator i, j;
1417 for (i = r->begin(); i != r->end(); ++i) {
1419 (*i)->clear_fed_by ();
1421 for (j = r->begin(); j != r->end(); ++j) {
1423 /* although routes can feed themselves, it will
1424 cause an endless recursive descent if we
1425 detect it. so don't bother checking for
1433 bool via_sends_only;
1435 if ((*j)->direct_feeds (*i, &via_sends_only)) {
1436 (*i)->add_fed_by (*j, via_sends_only);
1441 for (i = r->begin(); i != r->end(); ++i) {
1442 trace_terminal (*i, *i);
1448 route_graph->rechain (r);
1451 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
1452 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1453 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 signal order %2\n",
1454 (*i)->name(), (*i)->order_key ("signal")));
1460 /** Find the route name starting with \a base with the lowest \a id.
1462 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
1463 * The available route name with the lowest ID will be used, and \a id
1464 * will be set to the ID.
1466 * \return false if a route name could not be found, and \a track_name
1467 * and \a id do not reflect a free route name.
1470 Session::find_route_name (const char* base, uint32_t& id, char* name, size_t name_len)
1473 snprintf (name, name_len, "%s %" PRIu32, base, id);
1475 if (route_by_name (name) == 0) {
1481 } while (id < (UINT_MAX-1));
1486 /** Count the total ins and outs of all non-hidden routes in the session and return them in in and out */
1488 Session::count_existing_route_channels (ChanCount& in, ChanCount& out)
1490 in = ChanCount::ZERO;
1491 out = ChanCount::ZERO;
1492 boost::shared_ptr<RouteList> r = routes.reader ();
1493 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1494 if (!(*i)->is_hidden()) {
1495 in += (*i)->n_inputs();
1496 out += (*i)->n_outputs();
1501 /** Caller must not hold process lock */
1502 list<boost::shared_ptr<MidiTrack> >
1503 Session::new_midi_track (TrackMode mode, RouteGroup* route_group, uint32_t how_many)
1505 char track_name[32];
1506 uint32_t track_id = 0;
1507 ChanCount existing_inputs;
1508 ChanCount existing_outputs;
1510 RouteList new_routes;
1511 list<boost::shared_ptr<MidiTrack> > ret;
1512 uint32_t control_id;
1514 count_existing_route_channels (existing_inputs, existing_outputs);
1516 control_id = ntracks() + nbusses();
1519 if (!find_route_name ("Midi", ++track_id, track_name, sizeof(track_name))) {
1520 error << "cannot find name for new midi track" << endmsg;
1524 boost::shared_ptr<MidiTrack> track;
1527 MidiTrack* mt = new MidiTrack (*this, track_name, Route::Flag (0), mode);
1534 mt->use_new_diskstream();
1536 boost_debug_shared_ptr_mark_interesting (mt, "Track");
1537 track = boost::shared_ptr<MidiTrack>(mt);
1540 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1541 if (track->input()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
1542 error << "cannot configure 1 in/1 out configuration for new midi track" << endmsg;
1546 if (track->output()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
1547 error << "cannot configure 1 in/1 out configuration for new midi track" << endmsg;
1552 auto_connect_route (track.get(), existing_inputs, existing_outputs);
1554 track->non_realtime_input_change();
1557 route_group->add (track);
1560 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
1561 track->set_remote_control_id (control_id);
1563 new_routes.push_back (track);
1564 ret.push_back (track);
1567 catch (failed_constructor &err) {
1568 error << _("Session: could not create new midi track.") << endmsg;
1572 catch (AudioEngine::PortRegistrationFailure& pfe) {
1574 error << string_compose (_("No more JACK ports are available. You will need to stop %1 and restart JACK with ports if you need this many tracks."), PROGRAM_NAME) << endmsg;
1582 if (!new_routes.empty()) {
1583 add_routes (new_routes, false);
1584 save_state (_current_snapshot_name);
1590 /** Caller must hold process lock.
1591 * @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
1592 * @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
1593 * @param output_start As \a input_start, but for outputs.
1596 Session::auto_connect_route (
1597 Route* route, ChanCount& existing_inputs, ChanCount& existing_outputs, bool connect_inputs, ChanCount input_start, ChanCount output_start
1600 /* If both inputs and outputs are auto-connected to physical ports,
1601 use the max of input and output offsets to ensure auto-connected
1602 port numbers always match up (e.g. the first audio input and the
1603 first audio output of the route will have the same physical
1604 port number). Otherwise just use the lowest input or output
1608 const bool in_out_physical =
1609 (Config->get_input_auto_connect() & AutoConnectPhysical)
1610 && (Config->get_output_auto_connect() & AutoConnectPhysical)
1613 const ChanCount in_offset = in_out_physical
1614 ? ChanCount::max(existing_inputs, existing_outputs)
1617 const ChanCount out_offset = in_out_physical
1618 ? ChanCount::max(existing_inputs, existing_outputs)
1621 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1622 vector<string> physinputs;
1623 vector<string> physoutputs;
1625 _engine.get_physical_outputs (*t, physoutputs);
1626 _engine.get_physical_inputs (*t, physinputs);
1628 if (!physinputs.empty() && connect_inputs) {
1629 uint32_t nphysical_in = physinputs.size();
1630 for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
1633 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
1634 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
1637 if (!port.empty() && route->input()->connect (
1638 route->input()->ports().port(*t, i), port, this)) {
1644 if (!physoutputs.empty()) {
1645 uint32_t nphysical_out = physoutputs.size();
1646 for (uint32_t i = output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
1649 if (Config->get_output_auto_connect() & AutoConnectPhysical) {
1650 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
1651 } else if (Config->get_output_auto_connect() & AutoConnectMaster) {
1652 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
1653 port = _master_out->input()->ports().port(*t,
1654 i % _master_out->input()->n_ports().get(*t))->name();
1658 if (!port.empty() && route->output()->connect (
1659 route->output()->ports().port(*t, i), port, this)) {
1666 existing_inputs += route->n_inputs();
1667 existing_outputs += route->n_outputs();
1670 /** Caller must not hold process lock */
1671 list< boost::shared_ptr<AudioTrack> >
1672 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode, RouteGroup* route_group, uint32_t how_many)
1674 char track_name[32];
1675 uint32_t track_id = 0;
1676 ChanCount existing_inputs;
1677 ChanCount existing_outputs;
1679 RouteList new_routes;
1680 list<boost::shared_ptr<AudioTrack> > ret;
1681 uint32_t control_id;
1683 count_existing_route_channels (existing_inputs, existing_outputs);
1685 control_id = ntracks() + nbusses() + 1;
1688 if (!find_route_name ("Audio", ++track_id, track_name, sizeof(track_name))) {
1689 error << "cannot find name for new audio track" << endmsg;
1693 boost::shared_ptr<AudioTrack> track;
1696 AudioTrack* at = new AudioTrack (*this, track_name, Route::Flag (0), mode);
1703 at->use_new_diskstream();
1705 boost_debug_shared_ptr_mark_interesting (at, "Track");
1706 track = boost::shared_ptr<AudioTrack>(at);
1709 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1711 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
1712 error << string_compose (
1713 _("cannot configure %1 in/%2 out configuration for new audio track"),
1714 input_channels, output_channels)
1719 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
1720 error << string_compose (
1721 _("cannot configure %1 in/%2 out configuration for new audio track"),
1722 input_channels, output_channels)
1727 auto_connect_route (track.get(), existing_inputs, existing_outputs);
1731 route_group->add (track);
1734 track->non_realtime_input_change();
1736 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
1737 track->set_remote_control_id (control_id);
1740 new_routes.push_back (track);
1741 ret.push_back (track);
1744 catch (failed_constructor &err) {
1745 error << _("Session: could not create new audio track.") << endmsg;
1749 catch (AudioEngine::PortRegistrationFailure& pfe) {
1751 error << pfe.what() << endmsg;
1759 if (!new_routes.empty()) {
1760 add_routes (new_routes, true);
1767 Session::set_remote_control_ids ()
1769 RemoteModel m = Config->get_remote_model();
1770 bool emit_signal = false;
1772 boost::shared_ptr<RouteList> r = routes.reader ();
1774 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1775 if (MixerOrdered == m) {
1776 int32_t order = (*i)->order_key(N_("signal"));
1777 (*i)->set_remote_control_id (order+1, false);
1779 } else if (EditorOrdered == m) {
1780 int32_t order = (*i)->order_key(N_("editor"));
1781 (*i)->set_remote_control_id (order+1, false);
1783 } else if (UserOrdered == m) {
1784 //do nothing ... only changes to remote id's are initiated by user
1789 Route::RemoteControlIDChange();
1793 /** Caller must not hold process lock */
1795 Session::new_audio_route (bool aux, int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many)
1798 uint32_t bus_id = 0;
1799 ChanCount existing_inputs;
1800 ChanCount existing_outputs;
1803 uint32_t control_id;
1805 count_existing_route_channels (existing_inputs, existing_outputs);
1807 control_id = ntracks() + nbusses() + 1;
1810 if (!find_route_name ("Bus", ++bus_id, bus_name, sizeof(bus_name))) {
1811 error << "cannot find name for new audio bus" << endmsg;
1816 Route* rt = new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO);
1823 boost_debug_shared_ptr_mark_interesting (rt, "Route");
1824 boost::shared_ptr<Route> bus (rt);
1827 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1829 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
1830 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1831 input_channels, output_channels)
1837 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
1838 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1839 input_channels, output_channels)
1844 auto_connect_route (bus.get(), existing_inputs, existing_outputs, false);
1848 route_group->add (bus);
1850 bus->set_remote_control_id (control_id);
1854 bus->add_internal_return ();
1857 ret.push_back (bus);
1861 catch (failed_constructor &err) {
1862 error << _("Session: could not create new audio route.") << endmsg;
1866 catch (AudioEngine::PortRegistrationFailure& pfe) {
1867 error << pfe.what() << endmsg;
1877 add_routes (ret, true);
1885 Session::new_route_from_template (uint32_t how_many, const std::string& template_path)
1889 uint32_t control_id;
1891 uint32_t number = 0;
1893 if (!tree.read (template_path.c_str())) {
1897 XMLNode* node = tree.root();
1899 control_id = ntracks() + nbusses() + 1;
1903 XMLNode node_copy (*node); // make a copy so we can change the name if we need to
1905 std::string node_name = IO::name_from_state (*node_copy.children().front());
1907 /* generate a new name by adding a number to the end of the template name */
1908 if (!find_route_name (node_name.c_str(), ++number, name, sizeof(name))) {
1909 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
1913 /* set IO children to use the new name */
1914 XMLNodeList const & children = node_copy.children ();
1915 for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
1916 if ((*i)->name() == IO::state_node_name) {
1917 IO::set_name_in_state (**i, name);
1921 Track::zero_diskstream_id_in_xml (node_copy);
1924 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
1927 error << _("Session: cannot create track/bus from template description") << endmsg;
1931 if (boost::dynamic_pointer_cast<Track>(route)) {
1932 /* force input/output change signals so that the new diskstream
1933 picks up the configuration of the route. During session
1934 loading this normally happens in a different way.
1937 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1939 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
1940 change.after = route->input()->n_ports();
1941 route->input()->changed (change, this);
1942 change.after = route->output()->n_ports();
1943 route->output()->changed (change, this);
1946 route->set_remote_control_id (control_id);
1949 ret.push_back (route);
1952 catch (failed_constructor &err) {
1953 error << _("Session: could not create new route from template") << endmsg;
1957 catch (AudioEngine::PortRegistrationFailure& pfe) {
1958 error << pfe.what() << endmsg;
1967 add_routes (ret, true);
1974 Session::add_routes (RouteList& new_routes, bool save)
1977 RCUWriter<RouteList> writer (routes);
1978 boost::shared_ptr<RouteList> r = writer.get_copy ();
1979 r->insert (r->end(), new_routes.begin(), new_routes.end());
1982 /* if there is no control out and we're not in the middle of loading,
1983 resort the graph here. if there is a control out, we will resort
1984 toward the end of this method. if we are in the middle of loading,
1985 we will resort when done.
1988 if (!_monitor_out && IO::connecting_legal) {
1989 resort_routes_using (r);
1993 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
1995 boost::weak_ptr<Route> wpr (*x);
1996 boost::shared_ptr<Route> r (*x);
1998 r->listen_changed.connect_same_thread (*this, boost::bind (&Session::route_listen_changed, this, _1, wpr));
1999 r->solo_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2, wpr));
2000 r->solo_isolated_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, _1, wpr));
2001 r->mute_changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this, _1));
2002 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
2003 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
2004 r->order_key_changed.connect_same_thread (*this, boost::bind (&Session::route_order_key_changed, this));
2006 if (r->is_master()) {
2010 if (r->is_monitor()) {
2014 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
2016 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
2017 track_playlist_changed (boost::weak_ptr<Track> (tr));
2018 tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_have_rec_enabled_track, this));
2020 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
2022 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
2027 if (_monitor_out && IO::connecting_legal) {
2029 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
2030 if ((*x)->is_monitor()) {
2032 } else if ((*x)->is_master()) {
2035 (*x)->listen_via (_monitor_out,
2036 (Config->get_listen_position() == AfterFaderListen ? PostFader : PreFader),
2047 save_state (_current_snapshot_name);
2050 RouteAdded (new_routes); /* EMIT SIGNAL */
2051 Route::RemoteControlIDChange (); /* EMIT SIGNAL */
2055 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
2057 boost::shared_ptr<RouteList> r = routes.reader ();
2058 boost::shared_ptr<Send> s;
2060 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2061 if ((s = (*i)->internal_send_for (dest)) != 0) {
2062 s->amp()->gain_control()->set_value (0.0);
2068 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
2070 boost::shared_ptr<RouteList> r = routes.reader ();
2071 boost::shared_ptr<Send> s;
2073 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2074 if ((s = (*i)->internal_send_for (dest)) != 0) {
2075 s->amp()->gain_control()->set_value (1.0);
2081 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
2083 boost::shared_ptr<RouteList> r = routes.reader ();
2084 boost::shared_ptr<Send> s;
2086 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2087 if ((s = (*i)->internal_send_for (dest)) != 0) {
2088 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value());
2094 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p)
2096 boost::shared_ptr<RouteList> r = routes.reader ();
2097 boost::shared_ptr<RouteList> t (new RouteList);
2099 /* only send tracks */
2101 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2102 if (boost::dynamic_pointer_cast<Track>(*i)) {
2107 add_internal_sends (dest, p, t);
2111 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
2113 if (dest->is_monitor() || dest->is_master()) {
2117 if (!dest->internal_return()) {
2118 dest->add_internal_return();
2121 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
2123 if ((*i)->is_monitor() || (*i)->is_master() || (*i) == dest) {
2127 (*i)->listen_via (dest, p, true, true);
2134 Session::remove_route (boost::shared_ptr<Route> route)
2136 if (((route == _master_out) || (route == _monitor_out)) && !Config->get_allow_special_bus_removal()) {
2140 route->set_solo (false, this);
2143 RCUWriter<RouteList> writer (routes);
2144 boost::shared_ptr<RouteList> rs = writer.get_copy ();
2148 /* deleting the master out seems like a dumb
2149 idea, but its more of a UI policy issue
2153 if (route == _master_out) {
2154 _master_out = boost::shared_ptr<Route> ();
2157 if (route == _monitor_out) {
2159 /* cancel control outs for all routes */
2161 for (RouteList::iterator r = rs->begin(); r != rs->end(); ++r) {
2162 (*r)->drop_listen (_monitor_out);
2165 _monitor_out.reset ();
2168 /* writer goes out of scope, forces route list update */
2171 update_route_solo_state ();
2172 update_session_range_location_marker ();
2174 // We need to disconnect the route's inputs and outputs
2176 route->input()->disconnect (0);
2177 route->output()->disconnect (0);
2179 /* if the route had internal sends sending to it, remove them */
2180 if (route->internal_return()) {
2182 boost::shared_ptr<RouteList> r = routes.reader ();
2183 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2184 boost::shared_ptr<Send> s = (*i)->internal_send_for (route);
2186 (*i)->remove_processor (s);
2191 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (route);
2192 if (mt && mt->step_editing()) {
2193 if (_step_editors > 0) {
2198 update_latency_compensation (false, false);
2201 /* Re-sort routes to remove the graph's current references to the one that is
2202 * going away, then flush old references out of the graph.
2206 route_graph->clear_other_chain ();
2208 /* get rid of it from the dead wood collection in the route list manager */
2210 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
2214 /* try to cause everyone to drop their references */
2216 route->drop_references ();
2218 sync_order_keys (N_("session"));
2220 Route::RemoteControlIDChange(); /* EMIT SIGNAL */
2222 /* save the new state of the world */
2224 if (save_state (_current_snapshot_name)) {
2225 save_history (_current_snapshot_name);
2230 Session::route_mute_changed (void* /*src*/)
2236 Session::route_listen_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
2238 boost::shared_ptr<Route> route = wpr.lock();
2240 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2244 if (route->listening()) {
2246 if (Config->get_exclusive_solo()) {
2247 /* new listen: disable all other listen */
2248 boost::shared_ptr<RouteList> r = routes.reader ();
2249 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2250 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
2253 (*i)->set_listen (false, this);
2259 } else if (_listen_cnt > 0) {
2265 Session::route_solo_isolated_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
2267 boost::shared_ptr<Route> route = wpr.lock ();
2270 /* should not happen */
2271 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2275 bool send_changed = false;
2277 if (route->solo_isolated()) {
2278 if (_solo_isolated_cnt == 0) {
2279 send_changed = true;
2281 _solo_isolated_cnt++;
2282 } else if (_solo_isolated_cnt > 0) {
2283 _solo_isolated_cnt--;
2284 if (_solo_isolated_cnt == 0) {
2285 send_changed = true;
2290 IsolatedChanged (); /* EMIT SIGNAL */
2295 Session::route_solo_changed (bool self_solo_change, void* /*src*/, boost::weak_ptr<Route> wpr)
2297 if (!self_solo_change) {
2298 // session doesn't care about changes to soloed-by-others
2302 if (solo_update_disabled) {
2307 boost::shared_ptr<Route> route = wpr.lock ();
2310 /* should not happen */
2311 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2315 boost::shared_ptr<RouteList> r = routes.reader ();
2318 if (route->self_soloed()) {
2324 if (delta == 1 && Config->get_exclusive_solo()) {
2325 /* new solo: disable all other solos */
2326 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2327 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
2330 (*i)->set_solo (false, this);
2334 solo_update_disabled = true;
2336 RouteList uninvolved;
2338 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2339 bool via_sends_only;
2340 bool in_signal_flow;
2342 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
2346 in_signal_flow = false;
2348 if ((*i)->feeds (route, &via_sends_only)) {
2349 if (!via_sends_only) {
2350 if (!route->soloed_by_others_upstream()) {
2351 (*i)->mod_solo_by_others_downstream (delta);
2353 in_signal_flow = true;
2357 if (route->feeds (*i, &via_sends_only)) {
2358 (*i)->mod_solo_by_others_upstream (delta);
2359 in_signal_flow = true;
2362 if (!in_signal_flow) {
2363 uninvolved.push_back (*i);
2367 solo_update_disabled = false;
2368 update_route_solo_state (r);
2370 /* now notify that the mute state of the routes not involved in the signal
2371 pathway of the just-solo-changed route may have altered.
2374 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
2375 (*i)->mute_changed (this);
2378 SoloChanged (); /* EMIT SIGNAL */
2383 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
2385 /* now figure out if anything that matters is soloed (or is "listening")*/
2387 bool something_soloed = false;
2388 uint32_t listeners = 0;
2389 uint32_t isolated = 0;
2392 r = routes.reader();
2395 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2396 if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_hidden() && (*i)->self_soloed()) {
2397 something_soloed = true;
2400 if (!(*i)->is_hidden() && (*i)->listening()) {
2401 if (Config->get_solo_control_is_listen_control()) {
2404 (*i)->set_listen (false, this);
2408 if ((*i)->solo_isolated()) {
2413 if (something_soloed != _non_soloed_outs_muted) {
2414 _non_soloed_outs_muted = something_soloed;
2415 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
2418 _listen_cnt = listeners;
2420 if (isolated != _solo_isolated_cnt) {
2421 _solo_isolated_cnt = isolated;
2422 IsolatedChanged (); /* EMIT SIGNAL */
2426 boost::shared_ptr<RouteList>
2427 Session::get_routes_with_internal_returns() const
2429 boost::shared_ptr<RouteList> r = routes.reader ();
2430 boost::shared_ptr<RouteList> rl (new RouteList);
2432 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2433 if ((*i)->internal_return ()) {
2441 Session::io_name_is_legal (const std::string& name)
2443 boost::shared_ptr<RouteList> r = routes.reader ();
2445 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2446 if ((*i)->name() == name) {
2450 if ((*i)->has_io_processor_named (name)) {
2458 boost::shared_ptr<Route>
2459 Session::route_by_name (string name)
2461 boost::shared_ptr<RouteList> r = routes.reader ();
2463 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2464 if ((*i)->name() == name) {
2469 return boost::shared_ptr<Route> ((Route*) 0);
2472 boost::shared_ptr<Route>
2473 Session::route_by_id (PBD::ID id)
2475 boost::shared_ptr<RouteList> r = routes.reader ();
2477 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2478 if ((*i)->id() == id) {
2483 return boost::shared_ptr<Route> ((Route*) 0);
2486 boost::shared_ptr<Route>
2487 Session::route_by_remote_id (uint32_t id)
2489 boost::shared_ptr<RouteList> r = routes.reader ();
2491 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2492 if ((*i)->remote_control_id() == id) {
2497 return boost::shared_ptr<Route> ((Route*) 0);
2500 /** If either end of the session range location marker lies inside the current
2501 * session extent, move it to the corresponding session extent.
2504 Session::update_session_range_location_marker ()
2506 if (_state_of_the_state & Loading) {
2510 pair<framepos_t, framepos_t> const ext = get_extent ();
2512 if (_session_range_location == 0) {
2513 /* we don't have a session range yet; use this one (provided it is valid) */
2514 if (ext.first != max_framepos) {
2515 add_session_range_location (ext.first, ext.second);
2518 /* update the existing session range */
2519 if (ext.first < _session_range_location->start()) {
2520 _session_range_location->set_start (ext.first);
2524 if (ext.second > _session_range_location->end()) {
2525 _session_range_location->set_end (ext.second);
2532 /** @return Extent of the session's contents; if the session is empty, the first value of
2533 * the pair will equal max_framepos.
2535 pair<framepos_t, framepos_t>
2536 Session::get_extent () const
2538 pair<framepos_t, framepos_t> ext (max_framepos, 0);
2540 boost::shared_ptr<RouteList> rl = routes.reader ();
2541 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2542 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2543 if (!tr || tr->destructive()) {
2544 // ignore tape tracks when getting extents
2548 pair<framepos_t, framepos_t> e = tr->playlist()->get_extent ();
2549 if (e.first < ext.first) {
2550 ext.first = e.first;
2552 if (e.second > ext.second) {
2553 ext.second = e.second;
2560 /* Region management */
2562 boost::shared_ptr<Region>
2563 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
2565 const RegionFactory::RegionMap& regions (RegionFactory::regions());
2566 RegionFactory::RegionMap::const_iterator i;
2567 boost::shared_ptr<Region> region;
2569 Glib::Mutex::Lock lm (region_lock);
2571 for (i = regions.begin(); i != regions.end(); ++i) {
2575 if (region->whole_file()) {
2577 if (child->source_equivalent (region)) {
2583 return boost::shared_ptr<Region> ();
2587 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
2589 set<boost::shared_ptr<Region> > relevant_regions;
2591 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
2592 RegionFactory::get_regions_using_source (*s, relevant_regions);
2595 cerr << "There are " << relevant_regions.size() << " using " << srcs.size() << " sources" << endl;
2597 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
2598 set<boost::shared_ptr<Region> >::iterator tmp;
2603 cerr << "Cleanup " << (*r)->name() << " UC = " << (*r).use_count() << endl;
2605 playlists->destroy_region (*r);
2606 RegionFactory::map_remove (*r);
2608 (*r)->drop_sources ();
2609 (*r)->drop_references ();
2611 cerr << "\tdone UC = " << (*r).use_count() << endl;
2613 relevant_regions.erase (r);
2618 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
2621 Glib::Mutex::Lock ls (source_lock);
2622 /* remove from the main source list */
2623 sources.erase ((*s)->id());
2626 (*s)->mark_for_remove ();
2627 (*s)->drop_references ();
2636 Session::remove_last_capture ()
2638 list<boost::shared_ptr<Source> > srcs;
2640 boost::shared_ptr<RouteList> rl = routes.reader ();
2641 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2642 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2647 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
2650 srcs.insert (srcs.end(), l.begin(), l.end());
2655 destroy_sources (srcs);
2657 save_state (_current_snapshot_name);
2662 /* Source Management */
2665 Session::add_source (boost::shared_ptr<Source> source)
2667 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
2668 pair<SourceMap::iterator,bool> result;
2670 entry.first = source->id();
2671 entry.second = source;
2674 Glib::Mutex::Lock lm (source_lock);
2675 result = sources.insert (entry);
2678 if (result.second) {
2680 /* yay, new source */
2684 boost::shared_ptr<AudioFileSource> afs;
2686 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
2687 if (Config->get_auto_analyse_audio()) {
2688 Analyser::queue_source_for_analysis (source, false);
2695 Session::remove_source (boost::weak_ptr<Source> src)
2697 SourceMap::iterator i;
2698 boost::shared_ptr<Source> source = src.lock();
2705 Glib::Mutex::Lock lm (source_lock);
2707 if ((i = sources.find (source->id())) != sources.end()) {
2708 cerr << "Removing source " << source->name() << endl;
2713 if (!_state_of_the_state & InCleanup) {
2715 /* save state so we don't end up with a session file
2716 referring to non-existent sources.
2719 save_state (_current_snapshot_name);
2723 boost::shared_ptr<Source>
2724 Session::source_by_id (const PBD::ID& id)
2726 Glib::Mutex::Lock lm (source_lock);
2727 SourceMap::iterator i;
2728 boost::shared_ptr<Source> source;
2730 if ((i = sources.find (id)) != sources.end()) {
2737 boost::shared_ptr<Source>
2738 Session::source_by_path_and_channel (const string& path, uint16_t chn)
2740 Glib::Mutex::Lock lm (source_lock);
2742 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
2743 boost::shared_ptr<AudioFileSource> afs
2744 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
2746 if (afs && afs->path() == path && chn == afs->channel()) {
2750 return boost::shared_ptr<Source>();
2754 Session::count_sources_by_origin (const string& path)
2757 Glib::Mutex::Lock lm (source_lock);
2759 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
2760 boost::shared_ptr<FileSource> fs
2761 = boost::dynamic_pointer_cast<FileSource>(i->second);
2763 if (fs && fs->origin() == path) {
2773 Session::change_source_path_by_name (string path, string oldname, string newname, bool destructive)
2776 string old_basename = PBD::basename_nosuffix (oldname);
2777 string new_legalized = legalize_for_path (newname);
2779 /* note: we know (or assume) the old path is already valid */
2783 /* destructive file sources have a name of the form:
2785 /path/to/Tnnnn-NAME(%[LR])?.wav
2787 the task here is to replace NAME with the new name.
2792 string::size_type dash;
2794 dir = Glib::path_get_dirname (path);
2795 path = Glib::path_get_basename (path);
2797 /* '-' is not a legal character for the NAME part of the path */
2799 if ((dash = path.find_last_of ('-')) == string::npos) {
2803 prefix = path.substr (0, dash);
2807 path += new_legalized;
2808 path += native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
2809 path = Glib::build_filename (dir, path);
2813 /* non-destructive file sources have a name of the form:
2815 /path/to/NAME-nnnnn(%[LR])?.ext
2817 the task here is to replace NAME with the new name.
2822 string::size_type dash;
2823 string::size_type postfix;
2825 dir = Glib::path_get_dirname (path);
2826 path = Glib::path_get_basename (path);
2828 /* '-' is not a legal character for the NAME part of the path */
2830 if ((dash = path.find_last_of ('-')) == string::npos) {
2834 suffix = path.substr (dash+1);
2836 // Suffix is now everything after the dash. Now we need to eliminate
2837 // the nnnnn part, which is done by either finding a '%' or a '.'
2839 postfix = suffix.find_last_of ("%");
2840 if (postfix == string::npos) {
2841 postfix = suffix.find_last_of ('.');
2844 if (postfix != string::npos) {
2845 suffix = suffix.substr (postfix);
2847 error << "Logic error in Session::change_source_path_by_name(), please report" << endl;
2851 const uint32_t limit = 10000;
2852 char buf[PATH_MAX+1];
2854 for (uint32_t cnt = 1; cnt <= limit; ++cnt) {
2856 snprintf (buf, sizeof(buf), "%s-%u%s", newname.c_str(), cnt, suffix.c_str());
2858 if (!matching_unsuffixed_filename_exists_in (dir, buf)) {
2859 path = Glib::build_filename (dir, buf);
2867 fatal << string_compose (_("FATAL ERROR! Could not find a suitable version of %1 for a rename"),
2876 /** Return the full path (in some session directory) for a new within-session source.
2877 * \a name must be a session-unique name that does not contain slashes
2878 * (e.g. as returned by new_*_source_name)
2881 Session::new_source_path_from_name (DataType type, const string& name, bool as_stub)
2883 assert(name.find("/") == string::npos);
2885 SessionDirectory sdir(get_best_session_directory_for_new_source());
2888 if (type == DataType::AUDIO) {
2889 p = (as_stub ? sdir.sound_stub_path() : sdir.sound_path());
2890 } else if (type == DataType::MIDI) {
2891 p = (as_stub ? sdir.midi_stub_path() : sdir.midi_path());
2893 error << "Unknown source type, unable to create file path" << endmsg;
2898 return p.to_string();
2902 Session::peak_path (string base) const
2904 sys::path peakfile_path(_session_dir->peak_path());
2905 peakfile_path /= base + peakfile_suffix;
2906 return peakfile_path.to_string();
2909 /** Return a unique name based on \a base for a new internal audio source */
2911 Session::new_audio_source_name (const string& base, uint32_t nchan, uint32_t chan, bool destructive)
2914 char buf[PATH_MAX+1];
2915 const uint32_t limit = 10000;
2917 string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
2920 legalized = legalize_for_path (base);
2922 // Find a "version" of the base name that doesn't exist in any of the possible directories.
2923 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
2925 vector<space_and_path>::iterator i;
2926 uint32_t existing = 0;
2928 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
2933 snprintf (buf, sizeof(buf), "T%04d-%s%s",
2934 cnt, legalized.c_str(), ext.c_str());
2935 } else if (nchan == 2) {
2937 snprintf (buf, sizeof(buf), "T%04d-%s%%L%s",
2938 cnt, legalized.c_str(), ext.c_str());
2940 snprintf (buf, sizeof(buf), "T%04d-%s%%R%s",
2941 cnt, legalized.c_str(), ext.c_str());
2943 } else if (nchan < 26) {
2944 snprintf (buf, sizeof(buf), "T%04d-%s%%%c%s",
2945 cnt, legalized.c_str(), 'a' + chan, ext.c_str());
2947 snprintf (buf, sizeof(buf), "T%04d-%s%s",
2948 cnt, legalized.c_str(), ext.c_str());
2954 snprintf (buf, sizeof(buf), "%s-%u%s", legalized.c_str(), cnt, ext.c_str());
2955 } else if (nchan == 2) {
2957 snprintf (buf, sizeof(buf), "%s-%u%%L%s", legalized.c_str(), cnt, ext.c_str());
2959 snprintf (buf, sizeof(buf), "%s-%u%%R%s", legalized.c_str(), cnt, ext.c_str());
2961 } else if (nchan < 26) {
2962 snprintf (buf, sizeof(buf), "%s-%u%%%c%s", legalized.c_str(), cnt, 'a' + chan, ext.c_str());
2964 snprintf (buf, sizeof(buf), "%s-%u%s", legalized.c_str(), cnt, ext.c_str());
2968 SessionDirectory sdir((*i).path);
2970 string spath = sdir.sound_path().to_string();
2971 string spath_stubs = sdir.sound_stub_path().to_string();
2973 /* note that we search *without* the extension so that
2974 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
2975 in the event that this new name is required for
2976 a file format change.
2979 if (matching_unsuffixed_filename_exists_in (spath, buf) ||
2980 matching_unsuffixed_filename_exists_in (spath_stubs, buf)) {
2986 if (existing == 0) {
2991 error << string_compose(
2992 _("There are already %1 recordings for %2, which I consider too many."),
2993 limit, base) << endmsg;
2995 throw failed_constructor();
2999 return Glib::path_get_basename (buf);
3002 /** Create a new within-session audio source */
3003 boost::shared_ptr<AudioFileSource>
3004 Session::create_audio_source_for_session (size_t n_chans, string const & n, uint32_t chan, bool destructive, bool as_stub)
3006 const string name = new_audio_source_name (n, n_chans, chan, destructive);
3007 const string path = new_source_path_from_name(DataType::AUDIO, name, as_stub);
3009 return boost::dynamic_pointer_cast<AudioFileSource> (
3010 SourceFactory::createWritable (DataType::AUDIO, *this, path, string(), destructive, frame_rate()));
3013 /** Return a unique name based on \a base for a new internal MIDI source */
3015 Session::new_midi_source_name (const string& base)
3018 char buf[PATH_MAX+1];
3019 const uint32_t limit = 10000;
3023 legalized = legalize_for_path (base);
3025 // Find a "version" of the file name that doesn't exist in any of the possible directories.
3026 for (cnt = 1; cnt <= limit; ++cnt) {
3028 vector<space_and_path>::iterator i;
3029 uint32_t existing = 0;
3031 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
3033 SessionDirectory sdir((*i).path);
3035 sys::path p = sdir.midi_path();
3038 snprintf (buf, sizeof(buf), "%s-%u.mid", p.to_string().c_str(), cnt);
3040 if (sys::exists (buf)) {
3045 if (existing == 0) {
3050 error << string_compose(
3051 _("There are already %1 recordings for %2, which I consider too many."),
3052 limit, base) << endmsg;
3054 throw failed_constructor();
3058 return Glib::path_get_basename(buf);
3062 /** Create a new within-session MIDI source */
3063 boost::shared_ptr<MidiSource>
3064 Session::create_midi_source_for_session (Track* track, string const & n, bool as_stub)
3066 /* try to use the existing write source for the track, to keep numbering sane
3070 /*MidiTrack* mt = dynamic_cast<Track*> (track);
3074 list<boost::shared_ptr<Source> > l = track->steal_write_sources ();
3077 assert (boost::dynamic_pointer_cast<MidiSource> (l.front()));
3078 return boost::dynamic_pointer_cast<MidiSource> (l.front());
3082 const string name = new_midi_source_name (n);
3083 const string path = new_source_path_from_name (DataType::MIDI, name, as_stub);
3085 return boost::dynamic_pointer_cast<SMFSource> (
3086 SourceFactory::createWritable (
3087 DataType::MIDI, *this, path, string(), false, frame_rate()));
3092 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
3094 if (playlist->hidden()) {
3098 playlists->add (playlist);
3101 playlist->release();
3108 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
3110 if (_state_of_the_state & Deletion) {
3114 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
3120 playlists->remove (playlist);
3126 Session::set_audition (boost::shared_ptr<Region> r)
3128 pending_audition_region = r;
3129 add_post_transport_work (PostTransportAudition);
3130 _butler->schedule_transport_work ();
3134 Session::audition_playlist ()
3136 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
3137 ev->region.reset ();
3142 Session::non_realtime_set_audition ()
3144 if (!pending_audition_region) {
3145 auditioner->audition_current_playlist ();
3147 auditioner->audition_region (pending_audition_region);
3148 pending_audition_region.reset ();
3150 AuditionActive (true); /* EMIT SIGNAL */
3154 Session::audition_region (boost::shared_ptr<Region> r)
3156 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
3162 Session::cancel_audition ()
3164 if (auditioner->auditioning()) {
3165 auditioner->cancel_audition ();
3166 AuditionActive (false); /* EMIT SIGNAL */
3171 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
3173 if (a->is_monitor()) {
3176 if (b->is_monitor()) {
3179 return a->order_key(N_("signal")) < b->order_key(N_("signal"));
3183 Session::is_auditioning () const
3185 /* can be called before we have an auditioner object */
3187 return auditioner->auditioning();
3194 Session::graph_reordered ()
3196 /* don't do this stuff if we are setting up connections
3197 from a set_state() call or creating new tracks. Ditto for deletion.
3200 if (_state_of_the_state & (InitialConnecting|Deletion)) {
3204 /* every track/bus asked for this to be handled but it was deferred because
3205 we were connecting. do it now.
3208 request_input_change_handling ();
3212 /* force all diskstreams to update their capture offset values to
3213 reflect any changes in latencies within the graph.
3216 boost::shared_ptr<RouteList> rl = routes.reader ();
3217 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
3218 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3220 tr->set_capture_offset ();
3226 Session::available_capture_duration ()
3228 float sample_bytes_on_disk = 4.0; // keep gcc happy
3230 switch (config.get_native_file_data_format()) {
3232 sample_bytes_on_disk = 4.0;
3236 sample_bytes_on_disk = 3.0;
3240 sample_bytes_on_disk = 2.0;
3244 /* impossible, but keep some gcc versions happy */
3245 fatal << string_compose (_("programming error: %1"),
3246 X_("illegal native file data format"))
3251 double scale = 4096.0 / sample_bytes_on_disk;
3253 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
3254 return max_framecnt;
3257 return (framecnt_t) floor (_total_free_4k_blocks * scale);
3261 Session::add_bundle (boost::shared_ptr<Bundle> bundle)
3264 RCUWriter<BundleList> writer (_bundles);
3265 boost::shared_ptr<BundleList> b = writer.get_copy ();
3266 b->push_back (bundle);
3269 BundleAdded (bundle); /* EMIT SIGNAL */
3275 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
3277 bool removed = false;
3280 RCUWriter<BundleList> writer (_bundles);
3281 boost::shared_ptr<BundleList> b = writer.get_copy ();
3282 BundleList::iterator i = find (b->begin(), b->end(), bundle);
3284 if (i != b->end()) {
3291 BundleRemoved (bundle); /* EMIT SIGNAL */
3297 boost::shared_ptr<Bundle>
3298 Session::bundle_by_name (string name) const
3300 boost::shared_ptr<BundleList> b = _bundles.reader ();
3302 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
3303 if ((*i)->name() == name) {
3308 return boost::shared_ptr<Bundle> ();
3312 Session::tempo_map_changed (const PropertyChange&)
3316 playlists->update_after_tempo_map_change ();
3318 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
3324 Session::update_locations_after_tempo_map_change (Locations::LocationList& loc)
3326 for (Locations::LocationList::iterator i = loc.begin(); i != loc.end(); ++i) {
3327 (*i)->recompute_frames_from_bbt ();
3331 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
3332 * the given count with the current block size.
3335 Session::ensure_buffers (ChanCount howmany)
3337 BufferManager::ensure_buffers (howmany);
3341 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
3343 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
3344 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
3349 Session::next_insert_id ()
3351 /* this doesn't really loop forever. just think about it */
3354 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
3355 if (!insert_bitset[n]) {
3356 insert_bitset[n] = true;
3362 /* none available, so resize and try again */
3364 insert_bitset.resize (insert_bitset.size() + 16, false);
3369 Session::next_send_id ()
3371 /* this doesn't really loop forever. just think about it */
3374 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
3375 if (!send_bitset[n]) {
3376 send_bitset[n] = true;
3382 /* none available, so resize and try again */
3384 send_bitset.resize (send_bitset.size() + 16, false);
3389 Session::next_return_id ()
3391 /* this doesn't really loop forever. just think about it */
3394 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < return_bitset.size(); ++n) {
3395 if (!return_bitset[n]) {
3396 return_bitset[n] = true;
3402 /* none available, so resize and try again */
3404 return_bitset.resize (return_bitset.size() + 16, false);
3409 Session::mark_send_id (uint32_t id)
3411 if (id >= send_bitset.size()) {
3412 send_bitset.resize (id+16, false);
3414 if (send_bitset[id]) {
3415 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
3417 send_bitset[id] = true;
3421 Session::mark_return_id (uint32_t id)
3423 if (id >= return_bitset.size()) {
3424 return_bitset.resize (id+16, false);
3426 if (return_bitset[id]) {
3427 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
3429 return_bitset[id] = true;
3433 Session::mark_insert_id (uint32_t id)
3435 if (id >= insert_bitset.size()) {
3436 insert_bitset.resize (id+16, false);
3438 if (insert_bitset[id]) {
3439 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
3441 insert_bitset[id] = true;
3445 Session::unmark_send_id (uint32_t id)
3447 if (id < send_bitset.size()) {
3448 send_bitset[id] = false;
3453 Session::unmark_return_id (uint32_t id)
3455 if (id < return_bitset.size()) {
3456 return_bitset[id] = false;
3461 Session::unmark_insert_id (uint32_t id)
3463 if (id < insert_bitset.size()) {
3464 insert_bitset[id] = false;
3469 /* Named Selection management */
3471 boost::shared_ptr<NamedSelection>
3472 Session::named_selection_by_name (string name)
3474 Glib::Mutex::Lock lm (named_selection_lock);
3475 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ++i) {
3476 if ((*i)->name == name) {
3480 return boost::shared_ptr<NamedSelection>();
3484 Session::add_named_selection (boost::shared_ptr<NamedSelection> named_selection)
3487 Glib::Mutex::Lock lm (named_selection_lock);
3488 named_selections.insert (named_selections.begin(), named_selection);
3493 NamedSelectionAdded (); /* EMIT SIGNAL */
3497 Session::remove_named_selection (boost::shared_ptr<NamedSelection> named_selection)
3499 bool removed = false;
3502 Glib::Mutex::Lock lm (named_selection_lock);
3504 NamedSelectionList::iterator i = find (named_selections.begin(), named_selections.end(), named_selection);
3506 if (i != named_selections.end()) {
3507 named_selections.erase (i);
3514 NamedSelectionRemoved (); /* EMIT SIGNAL */
3519 Session::reset_native_file_format ()
3521 boost::shared_ptr<RouteList> rl = routes.reader ();
3522 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
3523 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3525 /* don't save state as we do this, there's no point
3528 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
3529 tr->reset_write_sources (false);
3530 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
3536 Session::route_name_unique (string n) const
3538 boost::shared_ptr<RouteList> r = routes.reader ();
3540 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3541 if ((*i)->name() == n) {
3550 Session::route_name_internal (string n) const
3552 if (auditioner && auditioner->name() == n) {
3556 if (_click_io && _click_io->name() == n) {
3564 Session::freeze_all (InterThreadInfo& itt)
3566 boost::shared_ptr<RouteList> r = routes.reader ();
3568 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3570 boost::shared_ptr<Track> t;
3572 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
3573 /* XXX this is wrong because itt.progress will keep returning to zero at the start
3583 boost::shared_ptr<Region>
3584 Session::write_one_track (AudioTrack& track, framepos_t start, framepos_t end,
3585 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
3586 InterThreadInfo& itt, bool enable_processing)
3588 boost::shared_ptr<Region> result;
3589 boost::shared_ptr<Playlist> playlist;
3590 boost::shared_ptr<AudioFileSource> fsource;
3592 char buf[PATH_MAX+1];
3593 ChanCount diskstream_channels (track.n_channels());
3594 framepos_t position;
3595 framecnt_t this_chunk;
3598 SessionDirectory sdir(get_best_session_directory_for_new_source ());
3599 const string sound_dir = sdir.sound_path().to_string();
3600 framepos_t len = end - start;
3601 bool need_block_size_reset = false;
3603 ChanCount const max_proc = track.max_processor_streams ();
3606 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
3607 end, start) << endmsg;
3611 const framecnt_t chunk_size = (256 * 1024)/4;
3613 // block all process callback handling
3615 block_processing ();
3617 /* call tree *MUST* hold route_lock */
3619 if ((playlist = track.playlist()) == 0) {
3623 /* external redirects will be a problem */
3625 if (track.has_external_redirects()) {
3629 ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
3631 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n_audio(); ++chan_n) {
3633 for (x = 0; x < 99999; ++x) {
3634 snprintf (buf, sizeof(buf), "%s/%s-%d-bounce-%" PRIu32 "%s", sound_dir.c_str(), playlist->name().c_str(), chan_n, x+1, ext.c_str());
3635 if (access (buf, F_OK) != 0) {
3641 error << string_compose (_("too many bounced versions of playlist \"%1\""), playlist->name()) << endmsg;
3646 fsource = boost::dynamic_pointer_cast<AudioFileSource> (
3647 SourceFactory::createWritable (DataType::AUDIO, *this, buf, string(), false, frame_rate()));
3650 catch (failed_constructor& err) {
3651 error << string_compose (_("cannot create new audio file \"%1\" for %2"), buf, track.name()) << endmsg;
3655 srcs.push_back (fsource);
3658 /* tell redirects that care that we are about to use a much larger blocksize */
3660 need_block_size_reset = true;
3661 track.set_block_size (chunk_size);
3663 /* XXX need to flush all redirects */
3668 /* create a set of reasonably-sized buffers */
3669 buffers.ensure_buffers (DataType::AUDIO, max_proc.n_audio(), chunk_size);
3670 buffers.set_count (max_proc);
3672 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3673 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3675 afs->prepare_for_peakfile_writes ();
3678 while (to_do && !itt.cancel) {
3680 this_chunk = min (to_do, chunk_size);
3682 if (track.export_stuff (buffers, start, this_chunk, enable_processing)) {
3687 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
3688 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3691 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
3697 start += this_chunk;
3698 to_do -= this_chunk;
3700 itt.progress = (float) (1.0 - ((double) to_do / len));
3709 xnow = localtime (&now);
3711 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3712 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3715 afs->update_header (position, *xnow, now);
3716 afs->flush_header ();
3720 /* construct a region to represent the bounced material */
3724 plist.add (Properties::start, 0);
3725 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
3726 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
3728 result = RegionFactory::create (srcs, plist);
3734 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3735 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3738 afs->mark_for_remove ();
3741 (*src)->drop_references ();
3745 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3746 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3749 afs->done_with_peakfile_writes ();
3754 if (need_block_size_reset) {
3755 track.set_block_size (get_block_size());
3758 unblock_processing ();
3764 Session::gain_automation_buffer() const
3766 return ProcessThread::gain_automation_buffer ();
3770 Session::pan_automation_buffer() const
3772 return ProcessThread::pan_automation_buffer ();
3776 Session::get_silent_buffers (ChanCount count)
3778 return ProcessThread::get_silent_buffers (count);
3780 assert(_silent_buffers->available() >= count);
3781 _silent_buffers->set_count(count);
3783 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
3784 for (size_t i= 0; i < count.get(*t); ++i) {
3785 _silent_buffers->get(*t, i).clear();
3789 return *_silent_buffers;
3794 Session::get_scratch_buffers (ChanCount count)
3796 return ProcessThread::get_scratch_buffers (count);
3798 if (count != ChanCount::ZERO) {
3799 assert(_scratch_buffers->available() >= count);
3800 _scratch_buffers->set_count(count);
3802 _scratch_buffers->set_count (_scratch_buffers->available());
3805 return *_scratch_buffers;
3810 Session::get_mix_buffers (ChanCount count)
3812 return ProcessThread::get_mix_buffers (count);
3814 assert(_mix_buffers->available() >= count);
3815 _mix_buffers->set_count(count);
3816 return *_mix_buffers;
3821 Session::ntracks () const
3824 boost::shared_ptr<RouteList> r = routes.reader ();
3826 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3827 if (boost::dynamic_pointer_cast<Track> (*i)) {
3836 Session::nbusses () const
3839 boost::shared_ptr<RouteList> r = routes.reader ();
3841 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3842 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
3851 Session::add_automation_list(AutomationList *al)
3853 automation_lists[al->id()] = al;
3857 Session::sync_order_keys (std::string const & base)
3859 if (deletion_in_progress()) {
3863 if (!Config->get_sync_all_route_ordering()) {
3864 /* leave order keys as they are */
3868 boost::shared_ptr<RouteList> r = routes.reader ();
3870 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3871 (*i)->sync_order_keys (base);
3874 Route::SyncOrderKeys (base); // EMIT SIGNAL
3876 /* this might not do anything */
3878 set_remote_control_ids ();
3881 /** @return true if there is at least one record-enabled track, otherwise false */
3883 Session::have_rec_enabled_track () const
3885 return g_atomic_int_get (&_have_rec_enabled_track) == 1;
3888 /** Update the state of our rec-enabled tracks flag */
3890 Session::update_have_rec_enabled_track ()
3892 boost::shared_ptr<RouteList> rl = routes.reader ();
3893 RouteList::iterator i = rl->begin();
3894 while (i != rl->end ()) {
3896 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3897 if (tr && tr->record_enabled ()) {
3904 int const old = g_atomic_int_get (&_have_rec_enabled_track);
3906 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
3908 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
3909 RecordStateChanged (); /* EMIT SIGNAL */
3914 Session::listen_position_changed ()
3918 switch (Config->get_listen_position()) {
3919 case AfterFaderListen:
3923 case PreFaderListen:
3928 boost::shared_ptr<RouteList> r = routes.reader ();
3930 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3931 (*i)->put_monitor_send_at (p);
3936 Session::solo_control_mode_changed ()
3938 /* cancel all solo or all listen when solo control mode changes */
3941 set_solo (get_routes(), false);
3942 } else if (listening()) {
3943 set_listen (get_routes(), false);
3947 /** Called when anything about any of our route groups changes (membership, state etc.) */
3949 Session::route_group_changed ()
3951 RouteGroupChanged (); /* EMIT SIGNAL */
3955 Session::get_available_sync_options () const
3957 vector<SyncSource> ret;
3959 ret.push_back (JACK);
3960 ret.push_back (MTC);
3961 ret.push_back (MIDIClock);
3966 boost::shared_ptr<RouteList>
3967 Session::get_routes_with_regions_at (framepos_t const p) const
3969 boost::shared_ptr<RouteList> r = routes.reader ();
3970 boost::shared_ptr<RouteList> rl (new RouteList);
3972 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3973 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3978 boost::shared_ptr<Playlist> pl = tr->playlist ();
3983 if (pl->has_region_at (p)) {
3992 Session::goto_end ()
3994 if (_session_range_location) {
3995 request_locate (_session_range_location->end(), false);
3997 request_locate (0, false);
4002 Session::goto_start ()
4004 if (_session_range_location) {
4005 request_locate (_session_range_location->start(), false);
4007 request_locate (0, false);
4012 Session::current_start_frame () const
4014 return _session_range_location ? _session_range_location->start() : 0;
4018 Session::current_end_frame () const
4020 return _session_range_location ? _session_range_location->end() : 0;
4024 Session::add_session_range_location (framepos_t start, framepos_t end)
4026 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange);
4027 _locations->add (_session_range_location);
4030 /** Called when one of our routes' order keys has changed */
4032 Session::route_order_key_changed ()
4034 RouteOrderKeyChanged (); /* EMIT SIGNAL */
4038 Session::step_edit_status_change (bool yn)
4044 send = (_step_editors == 0);
4049 send = (_step_editors == 1);
4052 if (_step_editors > 0) {
4058 StepEditStatusChange (val);
4064 Session::start_time_changed (framepos_t old)
4066 /* Update the auto loop range to match the session range
4067 (unless the auto loop range has been changed by the user)
4070 Location* s = _locations->session_range_location ();
4071 Location* l = _locations->auto_loop_location ();
4073 if (l->start() == old) {
4074 l->set_start (s->start(), true);
4079 Session::end_time_changed (framepos_t old)
4081 /* Update the auto loop range to match the session range
4082 (unless the auto loop range has been changed by the user)
4085 Location* s = _locations->session_range_location ();
4086 Location* l = _locations->auto_loop_location ();
4088 if (l->end() == old) {
4089 l->set_end (s->end(), true);
4094 Session::source_search_path (DataType type) const
4098 if (session_dirs.size() == 1) {
4100 case DataType::AUDIO:
4101 search_path = _session_dir->sound_path().to_string();
4103 case DataType::MIDI:
4104 search_path = _session_dir->midi_path().to_string();
4108 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4109 SessionDirectory sdir (i->path);
4110 if (!search_path.empty()) {
4114 case DataType::AUDIO:
4115 search_path += sdir.sound_path().to_string();
4117 case DataType::MIDI:
4118 search_path += sdir.midi_path().to_string();
4124 /* now add user-specified locations
4127 vector<string> dirs;
4130 case DataType::AUDIO:
4131 split (config.get_audio_search_path (), dirs, ':');
4133 case DataType::MIDI:
4134 split (config.get_midi_search_path (), dirs, ':');
4138 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
4148 Session::ensure_search_path_includes (const string& path, DataType type)
4151 vector<string> dirs;
4158 case DataType::AUDIO:
4159 search_path = config.get_audio_search_path ();
4161 case DataType::MIDI:
4162 search_path = config.get_midi_search_path ();
4166 split (search_path, dirs, ':');
4168 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
4174 if (!search_path.empty()) {
4178 search_path += path;
4181 case DataType::AUDIO:
4182 config.set_audio_search_path (search_path);
4184 case DataType::MIDI:
4185 config.set_midi_search_path (search_path);
4191 Session::get_speakers()
4194 _speakers = new Speakers;
4201 Session::unknown_processors () const
4205 boost::shared_ptr<RouteList> r = routes.reader ();
4206 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4207 list<string> t = (*i)->unknown_processors ();
4208 copy (t.begin(), t.end(), back_inserter (p));