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/control_protocol_manager.h"
67 #include "ardour/crossfade.h"
68 #include "ardour/cycle_timer.h"
69 #include "ardour/data_type.h"
70 #include "ardour/debug.h"
71 #include "ardour/filename_extensions.h"
72 #include "ardour/internal_send.h"
73 #include "ardour/io_processor.h"
74 #include "ardour/midi_diskstream.h"
75 #include "ardour/midi_playlist.h"
76 #include "ardour/midi_region.h"
77 #include "ardour/midi_track.h"
78 #include "ardour/midi_ui.h"
79 #include "ardour/named_selection.h"
80 #include "ardour/process_thread.h"
81 #include "ardour/playlist.h"
82 #include "ardour/plugin_insert.h"
83 #include "ardour/port_insert.h"
84 #include "ardour/processor.h"
85 #include "ardour/rc_configuration.h"
86 #include "ardour/recent_sessions.h"
87 #include "ardour/region_factory.h"
88 #include "ardour/return.h"
89 #include "ardour/route_graph.h"
90 #include "ardour/route_group.h"
91 #include "ardour/send.h"
92 #include "ardour/session.h"
93 #include "ardour/session_directory.h"
94 #include "ardour/session_directory.h"
95 #include "ardour/session_metadata.h"
96 #include "ardour/session_playlists.h"
97 #include "ardour/slave.h"
98 #include "ardour/smf_source.h"
99 #include "ardour/source_factory.h"
100 #include "ardour/tape_file_matcher.h"
101 #include "ardour/tempo.h"
102 #include "ardour/utils.h"
103 #include "ardour/graph.h"
104 #include "ardour/speakers.h"
105 #include "ardour/operations.h"
107 #include "midi++/port.h"
108 #include "midi++/mmc.h"
109 #include "midi++/manager.h"
114 using namespace ARDOUR;
117 bool Session::_disable_all_loaded_plugins = false;
119 PBD::Signal1<void,std::string> Session::Dialog;
120 PBD::Signal0<int> Session::AskAboutPendingState;
121 PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
122 PBD::Signal0<void> Session::SendFeedback;
123 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
125 PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
126 PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
127 PBD::Signal0<void> Session::AutoBindingOn;
128 PBD::Signal0<void> Session::AutoBindingOff;
129 PBD::Signal2<void,std::string, std::string> Session::Exported;
130 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
131 PBD::Signal0<void> Session::Quit;
132 PBD::Signal0<void> Session::FeedbackDetected;
133 PBD::Signal0<void> Session::SuccessfulGraphSort;
135 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
136 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
138 /** @param snapshot_name Snapshot name, without .ardour prefix */
139 Session::Session (AudioEngine &eng,
140 const string& fullpath,
141 const string& snapshot_name,
142 BusProfile* bus_profile,
145 , _target_transport_speed (0.0)
146 , _requested_return_frame (-1)
147 , _session_dir (new SessionDirectory(fullpath))
149 , _state_of_the_state (Clean)
150 , _butler (new Butler (*this))
151 , _post_transport_work (0)
152 , _send_timecode_update (false)
153 , _all_route_group (new RouteGroup (*this, "all"))
154 , _process_graph (new Graph (*this))
155 , routes (new RouteList)
156 , _total_free_4k_blocks (0)
157 , _bundles (new BundleList)
158 , _bundle_xml_node (0)
160 , _click_io ((IO*) 0)
162 , click_emphasis_data (0)
164 , _metadata (new SessionMetadata())
165 , _have_rec_enabled_track (false)
166 , _suspend_timecode_transmission (0)
168 _locations = new Locations (*this);
170 playlists.reset (new SessionPlaylists);
172 _all_route_group->set_active (true, this);
174 interpolation.add_channel_to (0, 0);
176 if (!eng.connected()) {
177 throw failed_constructor();
180 n_physical_outputs = _engine.n_physical_outputs ();
181 n_physical_inputs = _engine.n_physical_inputs ();
183 first_stage_init (fullpath, snapshot_name);
185 _is_new = !Glib::file_test (_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR));
188 if (create (mix_template, bus_profile)) {
190 throw failed_constructor ();
194 if (second_stage_init ()) {
196 throw failed_constructor ();
199 store_recent_sessions(_name, _path);
201 bool was_dirty = dirty();
203 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
205 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
206 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
209 DirtyChanged (); /* EMIT SIGNAL */
212 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
213 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
226 vector<void*> debug_pointers;
228 /* if we got to here, leaving pending capture state around
232 remove_pending_capture_state ();
234 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
236 _engine.remove_session ();
238 /* clear history so that no references to objects are held any more */
242 /* clear state tree so that no references to objects are held any more */
246 /* reset dynamic state version back to default */
248 Stateful::loading_state_version = 0;
250 _butler->drop_references ();
252 delete midi_control_ui;
253 delete _all_route_group;
255 if (click_data != default_click) {
256 delete [] click_data;
259 if (click_emphasis_data != default_click_emphasis) {
260 delete [] click_emphasis_data;
265 /* clear out any pending dead wood from RCU managed objects */
270 AudioDiskstream::free_working_buffers();
272 /* tell everyone who is still standing that we're about to die */
275 /* tell everyone to drop references and delete objects as we go */
277 DEBUG_TRACE (DEBUG::Destruction, "delete named selections\n");
278 named_selections.clear ();
280 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
281 RegionFactory::delete_all_regions ();
283 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
285 /* reset these three references to special routes before we do the usual route delete thing */
288 _master_out.reset ();
289 _monitor_out.reset ();
292 RCUWriter<RouteList> writer (routes);
293 boost::shared_ptr<RouteList> r = writer.get_copy ();
295 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
296 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
297 (*i)->drop_references ();
301 /* writer goes out of scope and updates master */
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->name(), 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 */
326 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
328 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
329 boost_debug_list_ptrs ();
334 Session::when_engine_running ()
336 string first_physical_output;
338 BootMessage (_("Set block size and sample rate"));
340 set_block_size (_engine.frames_per_cycle());
341 set_frame_rate (_engine.frame_rate());
343 BootMessage (_("Using configuration"));
345 boost::function<void (std::string)> ff (boost::bind (&Session::config_changed, this, _1, false));
346 boost::function<void (std::string)> ft (boost::bind (&Session::config_changed, this, _1, true));
348 Config->map_parameters (ff);
349 config.map_parameters (ft);
351 /* every time we reconnect, recompute worst case output latencies */
353 _engine.Running.connect_same_thread (*this, boost::bind (&Session::initialize_latencies, this));
355 if (synced_to_jack()) {
356 _engine.transport_stop ();
359 if (config.get_jack_time_master()) {
360 _engine.transport_locate (_transport_frame);
368 _click_io.reset (new ClickIO (*this, "click"));
370 if (state_tree && (child = find_named_node (*state_tree->root(), "Click")) != 0) {
372 /* existing state for Click */
375 if (Stateful::loading_state_version < 3000) {
376 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
378 c = _click_io->set_state (*child->children().front(), Stateful::loading_state_version);
383 _clicking = Config->get_clicking ();
387 error << _("could not setup Click I/O") << endmsg;
394 /* default state for Click: dual-mono to first 2 physical outputs */
397 _engine.get_physical_outputs (DataType::AUDIO, outs);
399 for (uint32_t physport = 0; physport < 2; ++physport) {
400 if (outs.size() > physport) {
401 if (_click_io->add_port (outs[physport], this)) {
402 // relax, even though its an error
407 if (_click_io->n_ports () > ChanCount::ZERO) {
408 _clicking = Config->get_clicking ();
413 catch (failed_constructor& err) {
414 error << _("cannot setup Click I/O") << endmsg;
417 BootMessage (_("Compute I/O Latencies"));
420 // XXX HOW TO ALERT UI TO THIS ? DO WE NEED TO?
423 BootMessage (_("Set up standard connections"));
425 vector<string> inputs[DataType::num_types];
426 vector<string> outputs[DataType::num_types];
427 for (uint32_t i = 0; i < DataType::num_types; ++i) {
428 _engine.get_physical_inputs (DataType (DataType::Symbol (i)), inputs[i]);
429 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
432 /* Create a set of Bundle objects that map
433 to the physical I/O currently available. We create both
434 mono and stereo bundles, so that the common cases of mono
435 and stereo tracks get bundles to put in their mixer strip
436 in / out menus. There may be a nicer way of achieving that;
437 it doesn't really scale that well to higher channel counts
440 /* mono output bundles */
442 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
444 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
446 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
447 c->add_channel (_("mono"), DataType::AUDIO);
448 c->set_port (0, outputs[DataType::AUDIO][np]);
453 /* stereo output bundles */
455 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
456 if (np + 1 < outputs[DataType::AUDIO].size()) {
458 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
459 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
460 c->add_channel (_("L"), DataType::AUDIO);
461 c->set_port (0, outputs[DataType::AUDIO][np]);
462 c->add_channel (_("R"), DataType::AUDIO);
463 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
469 /* mono input bundles */
471 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
473 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
475 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
476 c->add_channel (_("mono"), DataType::AUDIO);
477 c->set_port (0, inputs[DataType::AUDIO][np]);
482 /* stereo input bundles */
484 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
485 if (np + 1 < inputs[DataType::AUDIO].size()) {
487 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
489 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
490 c->add_channel (_("L"), DataType::AUDIO);
491 c->set_port (0, inputs[DataType::AUDIO][np]);
492 c->add_channel (_("R"), DataType::AUDIO);
493 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
499 /* MIDI input bundles */
501 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
502 string n = inputs[DataType::MIDI][np];
503 boost::erase_first (n, X_("alsa_pcm:"));
505 boost::shared_ptr<Bundle> c (new Bundle (n, false));
506 c->add_channel ("", DataType::MIDI);
507 c->set_port (0, inputs[DataType::MIDI][np]);
511 /* MIDI output bundles */
513 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
514 string n = outputs[DataType::MIDI][np];
515 boost::erase_first (n, X_("alsa_pcm:"));
517 boost::shared_ptr<Bundle> c (new Bundle (n, true));
518 c->add_channel ("", DataType::MIDI);
519 c->set_port (0, outputs[DataType::MIDI][np]);
523 BootMessage (_("Setup signal flow and plugins"));
525 ControlProtocolManager::instance().set_session (this);
527 /* This must be done after the ControlProtocolManager set_session above,
528 as it will set states for ports which the ControlProtocolManager creates.
530 MIDI::Manager::instance()->set_port_states (Config->midi_port_states ());
532 /* And this must be done after the MIDI::Manager::set_port_states as
533 * it will try to make connections whose details are loaded by set_port_states.
538 if (_is_new && !no_auto_connect()) {
540 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
542 /* don't connect the master bus outputs if there is a monitor bus */
544 if (_master_out && Config->get_auto_connect_standard_busses() && !_monitor_out) {
546 /* if requested auto-connect the outputs to the first N physical ports.
549 uint32_t limit = _master_out->n_outputs().n_total();
551 for (uint32_t n = 0; n < limit; ++n) {
552 boost::shared_ptr<Port> p = _master_out->output()->nth (n);
554 if (outputs[p->type()].size() > n) {
555 connect_to = outputs[p->type()][n];
558 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
559 if (_master_out->output()->connect (p, connect_to, this)) {
560 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
570 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
571 are undefined, at best.
574 /* control out listens to master bus (but ignores it
575 under some conditions)
578 uint32_t limit = _monitor_out->n_inputs().n_audio();
581 for (uint32_t n = 0; n < limit; ++n) {
582 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
583 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
586 string connect_to = o->name();
587 if (_monitor_out->input()->connect (p, connect_to, this)) {
588 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
596 /* if control out is not connected, connect control out to physical outs
599 if (!_monitor_out->output()->connected ()) {
601 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
603 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
606 _monitor_out->output()->connect_ports_to_bundle (b, this);
608 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
609 Config->get_monitor_bus_preferred_bundle())
615 /* Monitor bus is audio only */
616 uint32_t mod = n_physical_outputs.get (DataType::AUDIO);
617 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
621 for (uint32_t n = 0; n < limit; ++n) {
623 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
625 if (outputs[DataType::AUDIO].size() > (n % mod)) {
626 connect_to = outputs[DataType::AUDIO][n % mod];
629 if (!connect_to.empty()) {
630 if (_monitor_out->output()->connect (p, connect_to, this)) {
631 error << string_compose (
632 _("cannot connect control output %1 to %2"),
645 _state_of_the_state = StateOfTheState (_state_of_the_state & ~(CannotSave|Dirty));
647 /* update latencies */
649 initialize_latencies ();
651 /* hook us up to the engine */
653 BootMessage (_("Connect to engine"));
654 _engine.set_session (this);
658 Session::hookup_io ()
660 /* stop graph reordering notifications from
661 causing resorts, etc.
664 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
668 /* we delay creating the auditioner till now because
669 it makes its own connections to ports.
673 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
675 throw failed_constructor ();
677 a->use_new_diskstream ();
681 catch (failed_constructor& err) {
682 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
686 /* load bundles, which we may have postponed earlier on */
687 if (_bundle_xml_node) {
688 load_bundles (*_bundle_xml_node);
689 delete _bundle_xml_node;
692 /* Tell all IO objects to connect themselves together */
694 IO::enable_connecting ();
695 MIDI::Port::MakeConnections ();
697 /* Now reset all panners */
699 Delivery::reset_panners ();
701 /* Connect tracks to monitor/listen bus if there is one. Note that in an
702 existing session, the internal sends will already exist, but we want the
703 routes to notice that they connect to the control out specifically.
707 boost::shared_ptr<RouteList> r = routes.reader ();
708 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
710 if ((*x)->is_monitor()) {
714 } else if ((*x)->is_master()) {
720 (*x)->listen_via_monitor ();
725 /* Anyone who cares about input state, wake up and do something */
727 IOConnectionsComplete (); /* EMIT SIGNAL */
729 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
731 /* now handle the whole enchilada as if it was one
737 /* update the full solo state, which can't be
738 correctly determined on a per-route basis, but
739 needs the global overview that only the session
743 update_route_solo_state ();
747 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
749 boost::shared_ptr<Track> track = wp.lock ();
754 boost::shared_ptr<Playlist> playlist;
756 if ((playlist = track->playlist()) != 0) {
757 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
758 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
759 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
764 Session::record_enabling_legal () const
766 /* this used to be in here, but survey says.... we don't need to restrict it */
767 // if (record_status() == Recording) {
771 if (Config->get_all_safe()) {
778 Session::set_track_monitor_input_status (bool yn)
780 boost::shared_ptr<RouteList> rl = routes.reader ();
781 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
782 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
783 if (tr && tr->record_enabled ()) {
784 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
785 tr->monitor_input (yn);
791 Session::reset_input_monitor_state ()
793 if (transport_rolling()) {
794 set_track_monitor_input_status (Config->get_monitoring_model() == HardwareMonitoring && !config.get_auto_input());
796 set_track_monitor_input_status (Config->get_monitoring_model() == HardwareMonitoring);
801 Session::auto_punch_start_changed (Location* location)
803 replace_event (SessionEvent::PunchIn, location->start());
805 if (get_record_enabled() && config.get_punch_in()) {
806 /* capture start has been changed, so save new pending state */
807 save_state ("", true);
812 Session::auto_punch_end_changed (Location* location)
814 framepos_t when_to_stop = location->end();
815 // when_to_stop += _worst_output_latency + _worst_input_latency;
816 replace_event (SessionEvent::PunchOut, when_to_stop);
820 Session::auto_punch_changed (Location* location)
822 framepos_t when_to_stop = location->end();
824 replace_event (SessionEvent::PunchIn, location->start());
825 //when_to_stop += _worst_output_latency + _worst_input_latency;
826 replace_event (SessionEvent::PunchOut, when_to_stop);
830 Session::auto_loop_changed (Location* location)
832 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
834 if (transport_rolling() && play_loop) {
837 // if (_transport_frame > location->end()) {
839 if (_transport_frame < location->start() || _transport_frame > location->end()) {
840 // relocate to beginning of loop
841 clear_events (SessionEvent::LocateRoll);
843 request_locate (location->start(), true);
846 else if (Config->get_seamless_loop() && !loop_changing) {
848 // schedule a locate-roll to refill the diskstreams at the
850 loop_changing = true;
852 if (location->end() > last_loopend) {
853 clear_events (SessionEvent::LocateRoll);
854 SessionEvent *ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, last_loopend, last_loopend, 0, true);
861 last_loopend = location->end();
865 Session::set_auto_punch_location (Location* location)
869 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
870 punch_connections.drop_connections();
871 existing->set_auto_punch (false, this);
872 remove_event (existing->start(), SessionEvent::PunchIn);
873 clear_events (SessionEvent::PunchOut);
874 auto_punch_location_changed (0);
883 if (location->end() <= location->start()) {
884 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
888 punch_connections.drop_connections ();
890 location->start_changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, _1));
891 location->end_changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, _1));
892 location->changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, _1));
894 location->set_auto_punch (true, this);
896 auto_punch_changed (location);
898 auto_punch_location_changed (location);
902 Session::set_auto_loop_location (Location* location)
906 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
907 loop_connections.drop_connections ();
908 existing->set_auto_loop (false, this);
909 remove_event (existing->end(), SessionEvent::AutoLoop);
910 auto_loop_location_changed (0);
919 if (location->end() <= location->start()) {
920 error << _("Session: you can't use a mark for auto loop") << endmsg;
924 last_loopend = location->end();
926 loop_connections.drop_connections ();
928 location->start_changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
929 location->end_changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
930 location->changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
932 location->set_auto_loop (true, this);
934 /* take care of our stuff first */
936 auto_loop_changed (location);
938 /* now tell everyone else */
940 auto_loop_location_changed (location);
944 Session::locations_added (Location *)
950 Session::locations_changed ()
952 _locations->apply (*this, &Session::handle_locations_changed);
956 Session::handle_locations_changed (Locations::LocationList& locations)
958 Locations::LocationList::iterator i;
960 bool set_loop = false;
961 bool set_punch = false;
963 for (i = locations.begin(); i != locations.end(); ++i) {
967 if (location->is_auto_punch()) {
968 set_auto_punch_location (location);
971 if (location->is_auto_loop()) {
972 set_auto_loop_location (location);
976 if (location->is_session_range()) {
977 _session_range_location = location;
982 set_auto_loop_location (0);
985 set_auto_punch_location (0);
992 Session::enable_record ()
994 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
995 /* no recording at anything except normal speed */
1000 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
1002 if (rs == Recording) {
1006 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
1008 _last_record_location = _transport_frame;
1009 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
1011 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1012 set_track_monitor_input_status (true);
1015 RecordStateChanged ();
1022 Session::disable_record (bool rt_context, bool force)
1026 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1028 if ((!Config->get_latched_record_enable () && !play_loop) || force) {
1029 g_atomic_int_set (&_record_status, Disabled);
1030 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
1032 if (rs == Recording) {
1033 g_atomic_int_set (&_record_status, Enabled);
1037 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1038 set_track_monitor_input_status (false);
1041 RecordStateChanged (); /* emit signal */
1044 remove_pending_capture_state ();
1050 Session::step_back_from_record ()
1052 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
1054 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1055 set_track_monitor_input_status (false);
1058 RecordStateChanged (); /* emit signal */
1063 Session::maybe_enable_record ()
1065 if (_step_editors > 0) {
1069 g_atomic_int_set (&_record_status, Enabled);
1071 /* This function is currently called from somewhere other than an RT thread.
1072 This save_state() call therefore doesn't impact anything. Doing it here
1073 means that we save pending state of which sources the next record will use,
1074 which gives us some chance of recovering from a crash during the record.
1077 save_state ("", true);
1079 if (_transport_speed) {
1080 if (!config.get_punch_in()) {
1084 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
1085 RecordStateChanged (); /* EMIT SIGNAL */
1092 Session::audible_frame () const
1098 /* the first of these two possible settings for "offset"
1099 mean that the audible frame is stationary until
1100 audio emerges from the latency compensation
1103 the second means that the audible frame is stationary
1104 until audio would emerge from a physical port
1105 in the absence of any plugin latency compensation
1108 offset = worst_playback_latency ();
1110 if (offset > current_block_size) {
1111 offset -= current_block_size;
1113 /* XXX is this correct? if we have no external
1114 physical connections and everything is internal
1115 then surely this is zero? still, how
1116 likely is that anyway?
1118 offset = current_block_size;
1121 if (synced_to_jack()) {
1122 tf = _engine.transport_frame();
1124 tf = _transport_frame;
1129 if (!non_realtime_work_pending()) {
1133 /* Check to see if we have passed the first guaranteed
1134 audible frame past our last start position. if not,
1135 return that last start point because in terms
1136 of audible frames, we have not moved yet.
1138 `Start position' in this context means the time we last
1139 either started or changed transport direction.
1142 if (_transport_speed > 0.0f) {
1144 if (!play_loop || !have_looped) {
1145 if (tf < _last_roll_or_reversal_location + offset) {
1146 return _last_roll_or_reversal_location;
1154 } else if (_transport_speed < 0.0f) {
1156 /* XXX wot? no backward looping? */
1158 if (tf > _last_roll_or_reversal_location - offset) {
1159 return _last_roll_or_reversal_location;
1171 Session::set_frame_rate (framecnt_t frames_per_second)
1173 /** \fn void Session::set_frame_size(framecnt_t)
1174 the AudioEngine object that calls this guarantees
1175 that it will not be called while we are also in
1176 ::process(). Its fine to do things that block
1180 _base_frame_rate = frames_per_second;
1184 Automatable::set_automation_interval (ceil ((double) frames_per_second * (0.001 * Config->get_automation_interval())));
1188 // XXX we need some equivalent to this, somehow
1189 // SndFileSource::setup_standard_crossfades (frames_per_second);
1193 /* XXX need to reset/reinstantiate all LADSPA plugins */
1197 Session::set_block_size (pframes_t nframes)
1199 /* the AudioEngine guarantees
1200 that it will not be called while we are also in
1201 ::process(). It is therefore fine to do things that block
1206 current_block_size = nframes;
1210 boost::shared_ptr<RouteList> r = routes.reader ();
1212 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1213 (*i)->set_block_size (nframes);
1216 boost::shared_ptr<RouteList> rl = routes.reader ();
1217 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1218 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1220 tr->set_block_size (nframes);
1224 set_worst_io_latencies ();
1230 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
1232 boost::shared_ptr<Route> r2;
1234 if (r1->feeds (rbase) && rbase->feeds (r1)) {
1235 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
1239 /* make a copy of the existing list of routes that feed r1 */
1241 Route::FedBy existing (r1->fed_by());
1243 /* for each route that feeds r1, recurse, marking it as feeding
1247 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
1248 if (!(r2 = i->r.lock ())) {
1249 /* (*i) went away, ignore it */
1253 /* r2 is a route that feeds r1 which somehow feeds base. mark
1254 base as being fed by r2
1257 rbase->add_fed_by (r2, i->sends_only);
1261 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
1265 if (r1->feeds (r2) && r2->feeds (r1)) {
1269 /* now recurse, so that we can mark base as being fed by
1270 all routes that feed r2
1273 trace_terminal (r2, rbase);
1280 Session::resort_routes ()
1282 /* don't do anything here with signals emitted
1283 by Routes during initial setup or while we
1284 are being destroyed.
1287 if (_state_of_the_state & (InitialConnecting | Deletion)) {
1292 RCUWriter<RouteList> writer (routes);
1293 boost::shared_ptr<RouteList> r = writer.get_copy ();
1294 resort_routes_using (r);
1295 /* writer goes out of scope and forces update */
1298 //_process_graph->dump(1);
1301 boost::shared_ptr<RouteList> rl = routes.reader ();
1302 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1303 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
1305 const Route::FedBy& fb ((*i)->fed_by());
1307 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
1308 boost::shared_ptr<Route> sf = f->r.lock();
1310 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
1318 /** This is called whenever we need to rebuild the graph of how we will process
1320 * @param r List of routes, in any order.
1324 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
1326 /* We are going to build a directed graph of our routes;
1327 this is where the edges of that graph are put.
1332 /* Go through all routes doing two things:
1334 * 1. Collect the edges of the route graph. Each of these edges
1335 * is a pair of routes, one of which directly feeds the other
1336 * either by a JACK connection or by an internal send.
1338 * 2. Begin the process of making routes aware of which other
1339 * routes directly or indirectly feed them. This information
1340 * is used by the solo code.
1343 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1345 /* Clear out the route's list of direct or indirect feeds */
1346 (*i)->clear_fed_by ();
1348 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
1350 bool via_sends_only;
1352 /* See if this *j feeds *i according to the current state of the JACK
1353 connections and internal sends.
1355 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
1356 /* add the edge to the graph (part #1) */
1357 edges.add (*j, *i, via_sends_only);
1358 /* tell the route (for part #2) */
1359 (*i)->add_fed_by (*j, via_sends_only);
1364 /* Attempt a topological sort of the route graph */
1365 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
1367 if (sorted_routes) {
1368 /* We got a satisfactory topological sort, so there is no feedback;
1371 Note: the process graph rechain does not require a
1372 topologically-sorted list, but hey ho.
1374 _process_graph->rechain (sorted_routes, edges);
1375 _current_route_graph = edges;
1377 /* Complete the building of the routes' lists of what directly
1378 or indirectly feeds them.
1380 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1381 trace_terminal (*i, *i);
1387 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
1388 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1389 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 signal order %2\n",
1390 (*i)->name(), (*i)->order_key ("signal")));
1394 SuccessfulGraphSort (); /* EMIT SIGNAL */
1397 /* The topological sort failed, so we have a problem. Tell everyone
1398 and stick to the old graph; this will continue to be processed, so
1399 until the feedback is fixed, what is played back will not quite
1400 reflect what is actually connected. Note also that we do not
1401 do trace_terminal here, as it would fail due to an endless recursion,
1402 so the solo code will think that everything is still connected
1406 FeedbackDetected (); /* EMIT SIGNAL */
1411 /** Find a route name starting with \a base, maybe followed by the
1412 * lowest \a id. \a id will always be added if \a definitely_add_number
1413 * is true on entry; otherwise it will only be added if required
1414 * to make the name unique.
1416 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
1417 * The available route name with the lowest ID will be used, and \a id
1418 * will be set to the ID.
1420 * \return false if a route name could not be found, and \a track_name
1421 * and \a id do not reflect a free route name.
1424 Session::find_route_name (string const & base, uint32_t& id, char* name, size_t name_len, bool definitely_add_number)
1426 if (!definitely_add_number && route_by_name (base) == 0) {
1427 /* juse use the base */
1428 snprintf (name, name_len, "%s", base.c_str());
1433 snprintf (name, name_len, "%s %" PRIu32, base.c_str(), id);
1435 if (route_by_name (name) == 0) {
1441 } while (id < (UINT_MAX-1));
1446 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
1448 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
1450 in = ChanCount::ZERO;
1451 out = ChanCount::ZERO;
1453 boost::shared_ptr<RouteList> r = routes.reader ();
1455 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1456 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1457 if (tr && !tr->is_hidden()) {
1458 in += tr->n_inputs();
1459 out += tr->n_outputs();
1464 /** Caller must not hold process lock
1465 * @param name_template string to use for the start of the name, or "" to use "MIDI".
1467 list<boost::shared_ptr<MidiTrack> >
1468 Session::new_midi_track (TrackMode mode, RouteGroup* route_group, uint32_t how_many, string name_template)
1470 char track_name[32];
1471 uint32_t track_id = 0;
1473 RouteList new_routes;
1474 list<boost::shared_ptr<MidiTrack> > ret;
1475 uint32_t control_id;
1477 control_id = ntracks() + nbusses();
1479 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("MIDI");
1482 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, sizeof(track_name), use_number)) {
1483 error << "cannot find name for new midi track" << endmsg;
1487 boost::shared_ptr<MidiTrack> track;
1490 track.reset (new MidiTrack (*this, track_name, Route::Flag (0), mode));
1492 if (track->init ()) {
1496 track->use_new_diskstream();
1498 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1499 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
1502 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1503 if (track->input()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
1504 error << "cannot configure 1 in/1 out configuration for new midi track" << endmsg;
1508 if (track->output()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
1509 error << "cannot configure 1 in/1 out configuration for new midi track" << endmsg;
1514 track->non_realtime_input_change();
1517 route_group->add (track);
1520 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
1521 track->set_remote_control_id (control_id);
1523 new_routes.push_back (track);
1524 ret.push_back (track);
1527 catch (failed_constructor &err) {
1528 error << _("Session: could not create new midi track.") << endmsg;
1532 catch (AudioEngine::PortRegistrationFailure& pfe) {
1534 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;
1542 if (!new_routes.empty()) {
1543 add_routes (new_routes, true, true);
1550 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
1552 boost::shared_ptr<Route> midi_track (wmt.lock());
1558 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
1560 if (change.after.n_audio() <= change.before.n_audio()) {
1564 /* new audio ports: make sure the audio goes somewhere useful,
1565 unless the user has no-auto-connect selected.
1567 The existing ChanCounts don't matter for this call as they are only
1568 to do with matching input and output indices, and we are only changing
1574 auto_connect_route (midi_track, dummy, dummy, false, false, ChanCount(), change.before);
1578 /** @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
1579 * @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
1580 * @param output_start As \a input_start, but for outputs.
1583 Session::auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
1584 bool with_lock, bool connect_inputs, ChanCount input_start, ChanCount output_start)
1586 if (!IO::connecting_legal) {
1590 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::NOT_LOCK);
1596 /* If both inputs and outputs are auto-connected to physical ports,
1597 use the max of input and output offsets to ensure auto-connected
1598 port numbers always match up (e.g. the first audio input and the
1599 first audio output of the route will have the same physical
1600 port number). Otherwise just use the lowest input or output
1604 DEBUG_TRACE (DEBUG::Graph,
1605 string_compose("Auto-connect: existing in = %1 out = %2\n",
1606 existing_inputs, existing_outputs));
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();
1631 DEBUG_TRACE (DEBUG::Graph,
1632 string_compose("There are %1 physical inputs of type %2\n",
1635 for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
1638 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
1639 DEBUG_TRACE (DEBUG::Graph,
1640 string_compose("Get index %1 + %2 % %3 = %4\n",
1641 in_offset.get(*t), i, nphysical_in,
1642 (in_offset.get(*t) + i) % nphysical_in));
1643 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
1646 DEBUG_TRACE (DEBUG::Graph,
1647 string_compose("Connect route %1 IN to %2\n",
1648 route->name(), port));
1650 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
1654 ChanCount one_added (*t, 1);
1655 existing_inputs += one_added;
1659 if (!physoutputs.empty()) {
1660 uint32_t nphysical_out = physoutputs.size();
1661 for (uint32_t i = output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
1664 if ((*t) == DataType::MIDI || Config->get_output_auto_connect() & AutoConnectPhysical) {
1665 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
1666 } else if ((*t) == DataType::AUDIO && Config->get_output_auto_connect() & AutoConnectMaster) {
1667 /* master bus is audio only */
1668 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
1669 port = _master_out->input()->ports().port(*t,
1670 i % _master_out->input()->n_ports().get(*t))->name();
1674 DEBUG_TRACE (DEBUG::Graph,
1675 string_compose("Connect route %1 OUT to %2\n",
1676 route->name(), port));
1678 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
1682 ChanCount one_added (*t, 1);
1683 existing_outputs += one_added;
1689 /** Caller must not hold process lock
1690 * @param name_template string to use for the start of the name, or "" to use "Audio".
1692 list< boost::shared_ptr<AudioTrack> >
1693 Session::new_audio_track (
1694 int input_channels, int output_channels, TrackMode mode, RouteGroup* route_group, uint32_t how_many, string name_template
1697 char track_name[32];
1698 uint32_t track_id = 0;
1700 RouteList new_routes;
1701 list<boost::shared_ptr<AudioTrack> > ret;
1702 uint32_t control_id;
1704 control_id = ntracks() + nbusses() + 1;
1706 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Audio");
1709 if (!find_route_name (name_template.empty() ? _("Audio") : name_template, ++track_id, track_name, sizeof(track_name), use_number)) {
1710 error << "cannot find name for new audio track" << endmsg;
1714 boost::shared_ptr<AudioTrack> track;
1717 track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
1719 if (track->init ()) {
1723 track->use_new_diskstream();
1725 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1726 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
1729 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1731 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
1732 error << string_compose (
1733 _("cannot configure %1 in/%2 out configuration for new audio track"),
1734 input_channels, output_channels)
1739 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
1740 error << string_compose (
1741 _("cannot configure %1 in/%2 out configuration for new audio track"),
1742 input_channels, output_channels)
1749 route_group->add (track);
1752 track->non_realtime_input_change();
1754 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
1755 track->set_remote_control_id (control_id);
1758 new_routes.push_back (track);
1759 ret.push_back (track);
1762 catch (failed_constructor &err) {
1763 error << _("Session: could not create new audio track.") << endmsg;
1767 catch (AudioEngine::PortRegistrationFailure& pfe) {
1769 error << pfe.what() << endmsg;
1777 if (!new_routes.empty()) {
1778 add_routes (new_routes, true, true);
1785 Session::set_remote_control_ids ()
1787 RemoteModel m = Config->get_remote_model();
1788 bool emit_signal = false;
1790 boost::shared_ptr<RouteList> r = routes.reader ();
1792 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1793 if (MixerOrdered == m) {
1794 int32_t order = (*i)->order_key(N_("signal"));
1795 (*i)->set_remote_control_id (order+1, false);
1797 } else if (EditorOrdered == m) {
1798 int32_t order = (*i)->order_key(N_("editor"));
1799 (*i)->set_remote_control_id (order+1, false);
1801 } else if (UserOrdered == m) {
1802 //do nothing ... only changes to remote id's are initiated by user
1807 Route::RemoteControlIDChange();
1811 /** Caller must not hold process lock.
1812 * @param name_template string to use for the start of the name, or "" to use "Bus".
1815 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template)
1818 uint32_t bus_id = 0;
1821 uint32_t control_id;
1823 control_id = ntracks() + nbusses() + 1;
1825 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
1828 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, sizeof(bus_name), use_number)) {
1829 error << "cannot find name for new audio bus" << endmsg;
1834 boost::shared_ptr<Route> bus (new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO));
1840 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1841 // boost_debug_shared_ptr_mark_interesting (bus.get(), "Route");
1844 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1846 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
1847 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1848 input_channels, output_channels)
1854 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
1855 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1856 input_channels, output_channels)
1863 route_group->add (bus);
1865 bus->set_remote_control_id (control_id);
1868 bus->add_internal_return ();
1870 ret.push_back (bus);
1874 catch (failed_constructor &err) {
1875 error << _("Session: could not create new audio route.") << endmsg;
1879 catch (AudioEngine::PortRegistrationFailure& pfe) {
1880 error << pfe.what() << endmsg;
1890 add_routes (ret, false, true);
1898 Session::new_route_from_template (uint32_t how_many, const std::string& template_path)
1901 uint32_t control_id;
1903 uint32_t number = 0;
1905 if (!tree.read (template_path.c_str())) {
1909 XMLNode* node = tree.root();
1911 control_id = ntracks() + nbusses() + 1;
1915 XMLNode node_copy (*node);
1917 /* Remove IDs of everything so that new ones are used */
1918 node_copy.remove_property_recursively (X_("id"));
1921 string const route_name = node_copy.property(X_("name"))->value ();
1923 /* generate a new name by adding a number to the end of the template name */
1925 if (!find_route_name (route_name.c_str(), ++number, name, sizeof(name), true)) {
1926 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
1930 /* set this name in the XML description that we are about to use */
1931 Route::set_name_in_state (node_copy, name);
1933 /* trim bitslots from listen sends so that new ones are used */
1934 XMLNodeList children = node_copy.children ();
1935 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
1936 if ((*i)->name() == X_("Processor")) {
1937 XMLProperty* role = (*i)->property (X_("role"));
1938 if (role && role->value() == X_("Listen")) {
1939 (*i)->remove_property (X_("bitslot"));
1944 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
1947 error << _("Session: cannot create track/bus from template description") << endmsg;
1951 if (boost::dynamic_pointer_cast<Track>(route)) {
1952 /* force input/output change signals so that the new diskstream
1953 picks up the configuration of the route. During session
1954 loading this normally happens in a different way.
1957 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1959 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
1960 change.after = route->input()->n_ports();
1961 route->input()->changed (change, this);
1962 change.after = route->output()->n_ports();
1963 route->output()->changed (change, this);
1966 route->set_remote_control_id (control_id);
1969 ret.push_back (route);
1972 catch (failed_constructor &err) {
1973 error << _("Session: could not create new route from template") << endmsg;
1977 catch (AudioEngine::PortRegistrationFailure& pfe) {
1978 error << pfe.what() << endmsg;
1987 add_routes (ret, true, true);
1994 Session::add_routes (RouteList& new_routes, bool auto_connect, bool save)
1996 ChanCount existing_inputs;
1997 ChanCount existing_outputs;
1999 count_existing_track_channels (existing_inputs, existing_outputs);
2002 RCUWriter<RouteList> writer (routes);
2003 boost::shared_ptr<RouteList> r = writer.get_copy ();
2004 r->insert (r->end(), new_routes.begin(), new_routes.end());
2006 /* if there is no control out and we're not in the middle of loading,
2007 resort the graph here. if there is a control out, we will resort
2008 toward the end of this method. if we are in the middle of loading,
2009 we will resort when done.
2012 if (!_monitor_out && IO::connecting_legal) {
2013 resort_routes_using (r);
2017 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
2019 boost::weak_ptr<Route> wpr (*x);
2020 boost::shared_ptr<Route> r (*x);
2022 r->listen_changed.connect_same_thread (*this, boost::bind (&Session::route_listen_changed, this, _1, wpr));
2023 r->solo_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2, wpr));
2024 r->solo_isolated_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, _1, wpr));
2025 r->mute_changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this, _1));
2026 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
2027 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
2028 r->order_key_changed.connect_same_thread (*this, boost::bind (&Session::route_order_key_changed, this));
2030 if (r->is_master()) {
2034 if (r->is_monitor()) {
2038 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
2040 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
2041 track_playlist_changed (boost::weak_ptr<Track> (tr));
2042 tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_have_rec_enabled_track, this));
2044 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
2046 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
2047 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
2052 auto_connect_route (r, existing_inputs, existing_outputs, true);
2056 if (_monitor_out && IO::connecting_legal) {
2058 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
2059 if ((*x)->is_monitor()) {
2061 } else if ((*x)->is_master()) {
2064 (*x)->listen_via_monitor ();
2074 save_state (_current_snapshot_name);
2077 RouteAdded (new_routes); /* EMIT SIGNAL */
2078 Route::RemoteControlIDChange (); /* EMIT SIGNAL */
2082 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
2084 boost::shared_ptr<RouteList> r = routes.reader ();
2085 boost::shared_ptr<Send> s;
2087 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2088 if ((s = (*i)->internal_send_for (dest)) != 0) {
2089 s->amp()->gain_control()->set_value (0.0);
2095 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
2097 boost::shared_ptr<RouteList> r = routes.reader ();
2098 boost::shared_ptr<Send> s;
2100 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2101 if ((s = (*i)->internal_send_for (dest)) != 0) {
2102 s->amp()->gain_control()->set_value (1.0);
2108 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
2110 boost::shared_ptr<RouteList> r = routes.reader ();
2111 boost::shared_ptr<Send> s;
2113 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2114 if ((s = (*i)->internal_send_for (dest)) != 0) {
2115 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value());
2120 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
2122 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
2124 boost::shared_ptr<RouteList> r = routes.reader ();
2125 boost::shared_ptr<RouteList> t (new RouteList);
2127 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2128 /* no MIDI sends because there are no MIDI busses yet */
2129 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
2134 add_internal_sends (dest, p, t);
2138 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
2140 if (dest->is_monitor() || dest->is_master()) {
2144 if (!dest->internal_return()) {
2145 dest->add_internal_return();
2148 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
2150 if ((*i)->is_monitor() || (*i)->is_master() || (*i) == dest) {
2154 (*i)->listen_via (dest, p);
2161 Session::remove_route (boost::shared_ptr<Route> route)
2163 if (((route == _master_out) || (route == _monitor_out)) && !Config->get_allow_special_bus_removal()) {
2167 route->set_solo (false, this);
2170 RCUWriter<RouteList> writer (routes);
2171 boost::shared_ptr<RouteList> rs = writer.get_copy ();
2175 /* deleting the master out seems like a dumb
2176 idea, but its more of a UI policy issue
2180 if (route == _master_out) {
2181 _master_out = boost::shared_ptr<Route> ();
2184 if (route == _monitor_out) {
2186 /* cancel control outs for all routes */
2188 for (RouteList::iterator r = rs->begin(); r != rs->end(); ++r) {
2189 (*r)->drop_listen (_monitor_out);
2192 _monitor_out.reset ();
2195 /* writer goes out of scope, forces route list update */
2198 update_route_solo_state ();
2200 // We need to disconnect the route's inputs and outputs
2202 route->input()->disconnect (0);
2203 route->output()->disconnect (0);
2205 /* if the route had internal sends sending to it, remove them */
2206 if (route->internal_return()) {
2208 boost::shared_ptr<RouteList> r = routes.reader ();
2209 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2210 boost::shared_ptr<Send> s = (*i)->internal_send_for (route);
2212 (*i)->remove_processor (s);
2217 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (route);
2218 if (mt && mt->step_editing()) {
2219 if (_step_editors > 0) {
2224 update_latency_compensation ();
2227 /* Re-sort routes to remove the graph's current references to the one that is
2228 * going away, then flush old references out of the graph.
2232 _process_graph->clear_other_chain ();
2234 /* get rid of it from the dead wood collection in the route list manager */
2236 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
2240 /* try to cause everyone to drop their references */
2242 route->drop_references ();
2244 sync_order_keys (N_("session"));
2246 Route::RemoteControlIDChange(); /* EMIT SIGNAL */
2248 /* save the new state of the world */
2250 if (save_state (_current_snapshot_name)) {
2251 save_history (_current_snapshot_name);
2256 Session::route_mute_changed (void* /*src*/)
2262 Session::route_listen_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
2264 boost::shared_ptr<Route> route = wpr.lock();
2266 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2270 if (route->listening_via_monitor ()) {
2272 if (Config->get_exclusive_solo()) {
2273 /* new listen: disable all other listen */
2274 boost::shared_ptr<RouteList> r = routes.reader ();
2275 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2276 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
2279 (*i)->set_listen (false, this);
2285 } else if (_listen_cnt > 0) {
2290 update_route_solo_state ();
2293 Session::route_solo_isolated_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
2295 boost::shared_ptr<Route> route = wpr.lock ();
2298 /* should not happen */
2299 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2303 bool send_changed = false;
2305 if (route->solo_isolated()) {
2306 if (_solo_isolated_cnt == 0) {
2307 send_changed = true;
2309 _solo_isolated_cnt++;
2310 } else if (_solo_isolated_cnt > 0) {
2311 _solo_isolated_cnt--;
2312 if (_solo_isolated_cnt == 0) {
2313 send_changed = true;
2318 IsolatedChanged (); /* EMIT SIGNAL */
2323 Session::route_solo_changed (bool self_solo_change, void* /*src*/, boost::weak_ptr<Route> wpr)
2325 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1\n", self_solo_change));
2327 if (!self_solo_change) {
2328 // session doesn't care about changes to soloed-by-others
2332 if (solo_update_disabled) {
2334 DEBUG_TRACE (DEBUG::Solo, "solo update disabled - changed ignored\n");
2338 boost::shared_ptr<Route> route = wpr.lock ();
2341 boost::shared_ptr<RouteList> r = routes.reader ();
2344 if (route->self_soloed()) {
2350 RouteGroup* rg = route->route_group ();
2351 bool leave_group_alone = (rg && rg->is_active() && rg->is_solo());
2353 if (delta == 1 && Config->get_exclusive_solo()) {
2355 /* new solo: disable all other solos, but not the group if its solo-enabled */
2357 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2358 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden() ||
2359 (leave_group_alone && ((*i)->route_group() == rg))) {
2362 (*i)->set_solo (false, this);
2366 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
2368 solo_update_disabled = true;
2370 RouteList uninvolved;
2372 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
2374 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2375 bool via_sends_only;
2376 bool in_signal_flow;
2378 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden() ||
2379 (leave_group_alone && ((*i)->route_group() == rg))) {
2383 in_signal_flow = false;
2385 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
2387 if ((*i)->feeds (route, &via_sends_only)) {
2388 if (!via_sends_only) {
2389 if (!route->soloed_by_others_upstream()) {
2390 (*i)->mod_solo_by_others_downstream (delta);
2393 in_signal_flow = true;
2395 DEBUG_TRACE (DEBUG::Solo, "\tno feed from\n");
2398 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
2400 if (route->feeds (*i, &via_sends_only)) {
2401 /* propagate solo upstream only if routing other than
2402 sends is involved, but do consider the other route
2403 (*i) to be part of the signal flow even if only
2406 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
2410 route->soloed_by_others_downstream(),
2411 route->soloed_by_others_upstream()));
2412 if (!via_sends_only) {
2413 if (!route->soloed_by_others_downstream()) {
2414 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
2415 (*i)->mod_solo_by_others_upstream (delta);
2418 in_signal_flow = true;
2420 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
2423 if (!in_signal_flow) {
2424 uninvolved.push_back (*i);
2428 solo_update_disabled = false;
2429 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
2431 update_route_solo_state (r);
2433 /* now notify that the mute state of the routes not involved in the signal
2434 pathway of the just-solo-changed route may have altered.
2437 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
2438 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1\n", (*i)->name()));
2439 (*i)->mute_changed (this);
2442 SoloChanged (); /* EMIT SIGNAL */
2447 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
2449 /* now figure out if anything that matters is soloed (or is "listening")*/
2451 bool something_soloed = false;
2452 uint32_t listeners = 0;
2453 uint32_t isolated = 0;
2456 r = routes.reader();
2459 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2460 if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_hidden() && (*i)->self_soloed()) {
2461 something_soloed = true;
2464 if (!(*i)->is_hidden() && (*i)->listening_via_monitor()) {
2465 if (Config->get_solo_control_is_listen_control()) {
2468 (*i)->set_listen (false, this);
2472 if ((*i)->solo_isolated()) {
2477 if (something_soloed != _non_soloed_outs_muted) {
2478 _non_soloed_outs_muted = something_soloed;
2479 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
2482 _listen_cnt = listeners;
2484 if (isolated != _solo_isolated_cnt) {
2485 _solo_isolated_cnt = isolated;
2486 IsolatedChanged (); /* EMIT SIGNAL */
2490 boost::shared_ptr<RouteList>
2491 Session::get_routes_with_internal_returns() const
2493 boost::shared_ptr<RouteList> r = routes.reader ();
2494 boost::shared_ptr<RouteList> rl (new RouteList);
2496 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2497 if ((*i)->internal_return ()) {
2505 Session::io_name_is_legal (const std::string& name)
2507 boost::shared_ptr<RouteList> r = routes.reader ();
2509 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2510 if ((*i)->name() == name) {
2514 if ((*i)->has_io_processor_named (name)) {
2523 Session::set_exclusive_input_active (boost::shared_ptr<Route> rt, bool /*others_on*/)
2526 vector<string> connections;
2528 PortSet& ps (rt->input()->ports());
2530 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
2531 p->get_connections (connections);
2534 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
2535 routes_using_input_from (*s, rl);
2538 /* scan all relevant routes to see if others are on or off */
2540 bool others_are_already_on = false;
2542 for (RouteList::iterator r = rl.begin(); r != rl.end(); ++r) {
2544 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
2546 if (mt->input_active()) {
2547 others_are_already_on = true;
2554 /* globally reverse other routes */
2556 for (RouteList::iterator r = rl.begin(); r != rl.end(); ++r) {
2558 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
2560 mt->set_input_active (!others_are_already_on);
2567 Session::routes_using_input_from (const string& str, RouteList& rl)
2569 boost::shared_ptr<RouteList> r = routes.reader ();
2571 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2572 if ((*i)->input()->connected_to (str)) {
2578 boost::shared_ptr<Route>
2579 Session::route_by_name (string name)
2581 boost::shared_ptr<RouteList> r = routes.reader ();
2583 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2584 if ((*i)->name() == name) {
2589 return boost::shared_ptr<Route> ((Route*) 0);
2592 boost::shared_ptr<Route>
2593 Session::route_by_id (PBD::ID id)
2595 boost::shared_ptr<RouteList> r = routes.reader ();
2597 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2598 if ((*i)->id() == id) {
2603 return boost::shared_ptr<Route> ((Route*) 0);
2606 boost::shared_ptr<Route>
2607 Session::route_by_remote_id (uint32_t id)
2609 boost::shared_ptr<RouteList> r = routes.reader ();
2611 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2612 if ((*i)->remote_control_id() == id) {
2617 return boost::shared_ptr<Route> ((Route*) 0);
2621 Session::playlist_region_added (boost::weak_ptr<Region> w)
2623 boost::shared_ptr<Region> r = w.lock ();
2628 /* These are the operations that are currently in progress... */
2629 list<GQuark> curr = _current_trans_quarks;
2632 /* ...and these are the operations during which we want to update
2633 the session range location markers.
2636 ops.push_back (Operations::capture);
2637 ops.push_back (Operations::paste);
2638 ops.push_back (Operations::duplicate_region);
2639 ops.push_back (Operations::insert_file);
2640 ops.push_back (Operations::insert_region);
2641 ops.push_back (Operations::drag_region_brush);
2642 ops.push_back (Operations::region_drag);
2643 ops.push_back (Operations::selection_grab);
2644 ops.push_back (Operations::region_fill);
2645 ops.push_back (Operations::fill_selection);
2646 ops.push_back (Operations::create_region);
2647 ops.push_back (Operations::region_copy);
2648 ops.push_back (Operations::fixed_time_region_copy);
2651 /* See if any of the current operations match the ones that we want */
2653 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
2655 /* If so, update the session range markers */
2657 maybe_update_session_range (r->position (), r->last_frame ());
2661 /** Update the session range markers if a is before the current start or
2662 * b is after the current end.
2665 Session::maybe_update_session_range (framepos_t a, framepos_t b)
2667 if (_state_of_the_state & Loading) {
2671 if (_session_range_location == 0) {
2673 add_session_range_location (a, b);
2677 if (a < _session_range_location->start()) {
2678 _session_range_location->set_start (a);
2681 if (b > _session_range_location->end()) {
2682 _session_range_location->set_end (b);
2688 Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
2690 for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
2691 maybe_update_session_range (i->to, i->to + i->length);
2696 Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
2698 for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
2699 maybe_update_session_range (i->from, i->to);
2703 /* Region management */
2705 boost::shared_ptr<Region>
2706 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
2708 const RegionFactory::RegionMap& regions (RegionFactory::regions());
2709 RegionFactory::RegionMap::const_iterator i;
2710 boost::shared_ptr<Region> region;
2712 Glib::Mutex::Lock lm (region_lock);
2714 for (i = regions.begin(); i != regions.end(); ++i) {
2718 if (region->whole_file()) {
2720 if (child->source_equivalent (region)) {
2726 return boost::shared_ptr<Region> ();
2730 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
2732 set<boost::shared_ptr<Region> > relevant_regions;
2734 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
2735 RegionFactory::get_regions_using_source (*s, relevant_regions);
2738 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
2739 set<boost::shared_ptr<Region> >::iterator tmp;
2744 playlists->destroy_region (*r);
2745 RegionFactory::map_remove (*r);
2747 (*r)->drop_sources ();
2748 (*r)->drop_references ();
2750 relevant_regions.erase (r);
2755 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
2758 Glib::Mutex::Lock ls (source_lock);
2759 /* remove from the main source list */
2760 sources.erase ((*s)->id());
2763 (*s)->mark_for_remove ();
2764 (*s)->drop_references ();
2773 Session::remove_last_capture ()
2775 list<boost::shared_ptr<Source> > srcs;
2777 boost::shared_ptr<RouteList> rl = routes.reader ();
2778 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2779 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2784 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
2787 srcs.insert (srcs.end(), l.begin(), l.end());
2792 destroy_sources (srcs);
2794 save_state (_current_snapshot_name);
2799 /* Source Management */
2802 Session::add_source (boost::shared_ptr<Source> source)
2804 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
2805 pair<SourceMap::iterator,bool> result;
2807 entry.first = source->id();
2808 entry.second = source;
2811 Glib::Mutex::Lock lm (source_lock);
2812 result = sources.insert (entry);
2815 if (result.second) {
2817 /* yay, new source */
2821 boost::shared_ptr<AudioFileSource> afs;
2823 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
2824 if (Config->get_auto_analyse_audio()) {
2825 Analyser::queue_source_for_analysis (source, false);
2829 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
2834 Session::remove_source (boost::weak_ptr<Source> src)
2836 if (_state_of_the_state & Deletion) {
2840 SourceMap::iterator i;
2841 boost::shared_ptr<Source> source = src.lock();
2848 Glib::Mutex::Lock lm (source_lock);
2850 if ((i = sources.find (source->id())) != sources.end()) {
2855 if (!_state_of_the_state & InCleanup) {
2857 /* save state so we don't end up with a session file
2858 referring to non-existent sources.
2861 save_state (_current_snapshot_name);
2865 boost::shared_ptr<Source>
2866 Session::source_by_id (const PBD::ID& id)
2868 Glib::Mutex::Lock lm (source_lock);
2869 SourceMap::iterator i;
2870 boost::shared_ptr<Source> source;
2872 if ((i = sources.find (id)) != sources.end()) {
2879 boost::shared_ptr<Source>
2880 Session::source_by_path_and_channel (const string& path, uint16_t chn)
2882 Glib::Mutex::Lock lm (source_lock);
2884 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
2885 boost::shared_ptr<AudioFileSource> afs
2886 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
2888 if (afs && afs->path() == path && chn == afs->channel()) {
2892 return boost::shared_ptr<Source>();
2896 Session::count_sources_by_origin (const string& path)
2899 Glib::Mutex::Lock lm (source_lock);
2901 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
2902 boost::shared_ptr<FileSource> fs
2903 = boost::dynamic_pointer_cast<FileSource>(i->second);
2905 if (fs && fs->origin() == path) {
2915 Session::change_source_path_by_name (string path, string oldname, string newname, bool destructive)
2918 string old_basename = PBD::basename_nosuffix (oldname);
2919 string new_legalized = legalize_for_path (newname);
2921 /* note: we know (or assume) the old path is already valid */
2925 /* destructive file sources have a name of the form:
2927 /path/to/Tnnnn-NAME(%[LR])?.wav
2929 the task here is to replace NAME with the new name.
2934 string::size_type dash;
2936 dir = Glib::path_get_dirname (path);
2937 path = Glib::path_get_basename (path);
2939 /* '-' is not a legal character for the NAME part of the path */
2941 if ((dash = path.find_last_of ('-')) == string::npos) {
2945 prefix = path.substr (0, dash);
2949 path += new_legalized;
2950 path += native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
2951 path = Glib::build_filename (dir, path);
2955 /* non-destructive file sources have a name of the form:
2957 /path/to/NAME-nnnnn(%[LR])?.ext
2959 the task here is to replace NAME with the new name.
2964 string::size_type dash;
2965 string::size_type postfix;
2967 dir = Glib::path_get_dirname (path);
2968 path = Glib::path_get_basename (path);
2970 /* '-' is not a legal character for the NAME part of the path */
2972 if ((dash = path.find_last_of ('-')) == string::npos) {
2976 suffix = path.substr (dash+1);
2978 // Suffix is now everything after the dash. Now we need to eliminate
2979 // the nnnnn part, which is done by either finding a '%' or a '.'
2981 postfix = suffix.find_last_of ("%");
2982 if (postfix == string::npos) {
2983 postfix = suffix.find_last_of ('.');
2986 if (postfix != string::npos) {
2987 suffix = suffix.substr (postfix);
2989 error << "Logic error in Session::change_source_path_by_name(), please report" << endl;
2993 const uint32_t limit = 10000;
2994 char buf[PATH_MAX+1];
2996 for (uint32_t cnt = 1; cnt <= limit; ++cnt) {
2998 snprintf (buf, sizeof(buf), "%s-%u%s", newname.c_str(), cnt, suffix.c_str());
3000 if (!matching_unsuffixed_filename_exists_in (dir, buf)) {
3001 path = Glib::build_filename (dir, buf);
3009 fatal << string_compose (_("FATAL ERROR! Could not find a suitable version of %1 for a rename"),
3018 /** Return the full path (in some session directory) for a new within-session source.
3019 * \a name must be a session-unique name that does not contain slashes
3020 * (e.g. as returned by new_*_source_name)
3023 Session::new_source_path_from_name (DataType type, const string& name)
3025 assert(name.find("/") == string::npos);
3027 SessionDirectory sdir(get_best_session_directory_for_new_source());
3030 if (type == DataType::AUDIO) {
3031 p = sdir.sound_path();
3032 } else if (type == DataType::MIDI) {
3033 p = sdir.midi_path();
3035 error << "Unknown source type, unable to create file path" << endmsg;
3040 return p.to_string();
3044 Session::peak_path (string base) const
3046 sys::path peakfile_path(_session_dir->peak_path());
3047 peakfile_path /= base + peakfile_suffix;
3048 return peakfile_path.to_string();
3051 /** Return a unique name based on \a base for a new internal audio source */
3053 Session::new_audio_source_name (const string& base, uint32_t nchan, uint32_t chan, bool destructive)
3056 char buf[PATH_MAX+1];
3057 const uint32_t limit = 10000;
3059 string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
3062 legalized = legalize_for_path (base);
3064 // Find a "version" of the base name that doesn't exist in any of the possible directories.
3065 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
3067 vector<space_and_path>::iterator i;
3068 uint32_t existing = 0;
3070 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
3075 snprintf (buf, sizeof(buf), "T%04d-%s%s",
3076 cnt, legalized.c_str(), ext.c_str());
3077 } else if (nchan == 2) {
3079 snprintf (buf, sizeof(buf), "T%04d-%s%%L%s",
3080 cnt, legalized.c_str(), ext.c_str());
3082 snprintf (buf, sizeof(buf), "T%04d-%s%%R%s",
3083 cnt, legalized.c_str(), ext.c_str());
3085 } else if (nchan < 26) {
3086 snprintf (buf, sizeof(buf), "T%04d-%s%%%c%s",
3087 cnt, legalized.c_str(), 'a' + chan, ext.c_str());
3089 snprintf (buf, sizeof(buf), "T%04d-%s%s",
3090 cnt, legalized.c_str(), ext.c_str());
3096 snprintf (buf, sizeof(buf), "%s-%u%s", legalized.c_str(), cnt, ext.c_str());
3097 } else if (nchan == 2) {
3099 snprintf (buf, sizeof(buf), "%s-%u%%L%s", legalized.c_str(), cnt, ext.c_str());
3101 snprintf (buf, sizeof(buf), "%s-%u%%R%s", legalized.c_str(), cnt, ext.c_str());
3103 } else if (nchan < 26) {
3104 snprintf (buf, sizeof(buf), "%s-%u%%%c%s", legalized.c_str(), cnt, 'a' + chan, ext.c_str());
3106 snprintf (buf, sizeof(buf), "%s-%u%s", legalized.c_str(), cnt, ext.c_str());
3110 SessionDirectory sdir((*i).path);
3112 string spath = sdir.sound_path().to_string();
3114 /* note that we search *without* the extension so that
3115 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
3116 in the event that this new name is required for
3117 a file format change.
3120 if (matching_unsuffixed_filename_exists_in (spath, buf)) {
3126 if (existing == 0) {
3131 error << string_compose(
3132 _("There are already %1 recordings for %2, which I consider too many."),
3133 limit, base) << endmsg;
3135 throw failed_constructor();
3139 return Glib::path_get_basename (buf);
3142 /** Create a new within-session audio source */
3143 boost::shared_ptr<AudioFileSource>
3144 Session::create_audio_source_for_session (size_t n_chans, string const & n, uint32_t chan, bool destructive)
3146 const string name = new_audio_source_name (n, n_chans, chan, destructive);
3147 const string path = new_source_path_from_name(DataType::AUDIO, name);
3149 return boost::dynamic_pointer_cast<AudioFileSource> (
3150 SourceFactory::createWritable (DataType::AUDIO, *this, path, string(), destructive, frame_rate()));
3153 /** Return a unique name based on \a base for a new internal MIDI source */
3155 Session::new_midi_source_name (const string& base)
3158 char buf[PATH_MAX+1];
3159 const uint32_t limit = 10000;
3163 legalized = legalize_for_path (base);
3165 // Find a "version" of the file name that doesn't exist in any of the possible directories.
3166 for (cnt = 1; cnt <= limit; ++cnt) {
3168 vector<space_and_path>::iterator i;
3169 uint32_t existing = 0;
3171 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
3173 SessionDirectory sdir((*i).path);
3175 sys::path p = sdir.midi_path();
3178 snprintf (buf, sizeof(buf), "%s-%u.mid", p.to_string().c_str(), cnt);
3180 if (sys::exists (buf)) {
3185 if (existing == 0) {
3190 error << string_compose(
3191 _("There are already %1 recordings for %2, which I consider too many."),
3192 limit, base) << endmsg;
3194 throw failed_constructor();
3198 return Glib::path_get_basename(buf);
3202 /** Create a new within-session MIDI source */
3203 boost::shared_ptr<MidiSource>
3204 Session::create_midi_source_for_session (Track* track, string const & n)
3206 /* try to use the existing write source for the track, to keep numbering sane
3210 /*MidiTrack* mt = dynamic_cast<Track*> (track);
3214 list<boost::shared_ptr<Source> > l = track->steal_write_sources ();
3217 assert (boost::dynamic_pointer_cast<MidiSource> (l.front()));
3218 return boost::dynamic_pointer_cast<MidiSource> (l.front());
3222 const string name = new_midi_source_name (n);
3223 const string path = new_source_path_from_name (DataType::MIDI, name);
3225 return boost::dynamic_pointer_cast<SMFSource> (
3226 SourceFactory::createWritable (
3227 DataType::MIDI, *this, path, string(), false, frame_rate()));
3232 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
3234 if (playlist->hidden()) {
3238 playlists->add (playlist);
3241 playlist->release();
3248 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
3250 if (_state_of_the_state & Deletion) {
3254 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
3260 playlists->remove (playlist);
3266 Session::set_audition (boost::shared_ptr<Region> r)
3268 pending_audition_region = r;
3269 add_post_transport_work (PostTransportAudition);
3270 _butler->schedule_transport_work ();
3274 Session::audition_playlist ()
3276 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
3277 ev->region.reset ();
3282 Session::non_realtime_set_audition ()
3284 if (!pending_audition_region) {
3285 auditioner->audition_current_playlist ();
3287 auditioner->audition_region (pending_audition_region);
3288 pending_audition_region.reset ();
3290 AuditionActive (true); /* EMIT SIGNAL */
3294 Session::audition_region (boost::shared_ptr<Region> r)
3296 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
3302 Session::cancel_audition ()
3304 if (auditioner->auditioning()) {
3305 auditioner->cancel_audition ();
3306 AuditionActive (false); /* EMIT SIGNAL */
3311 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
3313 if (a->is_monitor()) {
3316 if (b->is_monitor()) {
3319 return a->order_key(N_("signal")) < b->order_key(N_("signal"));
3323 Session::is_auditioning () const
3325 /* can be called before we have an auditioner object */
3327 return auditioner->auditioning();
3334 Session::graph_reordered ()
3336 /* don't do this stuff if we are setting up connections
3337 from a set_state() call or creating new tracks. Ditto for deletion.
3340 if (_state_of_the_state & (InitialConnecting|Deletion)) {
3344 /* every track/bus asked for this to be handled but it was deferred because
3345 we were connecting. do it now.
3348 request_input_change_handling ();
3352 /* force all diskstreams to update their capture offset values to
3353 reflect any changes in latencies within the graph.
3356 boost::shared_ptr<RouteList> rl = routes.reader ();
3357 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
3358 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3360 tr->set_capture_offset ();
3366 Session::available_capture_duration ()
3368 float sample_bytes_on_disk = 4.0; // keep gcc happy
3370 switch (config.get_native_file_data_format()) {
3372 sample_bytes_on_disk = 4.0;
3376 sample_bytes_on_disk = 3.0;
3380 sample_bytes_on_disk = 2.0;
3384 /* impossible, but keep some gcc versions happy */
3385 fatal << string_compose (_("programming error: %1"),
3386 X_("illegal native file data format"))
3391 double scale = 4096.0 / sample_bytes_on_disk;
3393 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
3394 return max_framecnt;
3397 return (framecnt_t) floor (_total_free_4k_blocks * scale);
3401 Session::add_bundle (boost::shared_ptr<Bundle> bundle)
3404 RCUWriter<BundleList> writer (_bundles);
3405 boost::shared_ptr<BundleList> b = writer.get_copy ();
3406 b->push_back (bundle);
3409 BundleAdded (bundle); /* EMIT SIGNAL */
3415 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
3417 bool removed = false;
3420 RCUWriter<BundleList> writer (_bundles);
3421 boost::shared_ptr<BundleList> b = writer.get_copy ();
3422 BundleList::iterator i = find (b->begin(), b->end(), bundle);
3424 if (i != b->end()) {
3431 BundleRemoved (bundle); /* EMIT SIGNAL */
3437 boost::shared_ptr<Bundle>
3438 Session::bundle_by_name (string name) const
3440 boost::shared_ptr<BundleList> b = _bundles.reader ();
3442 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
3443 if ((*i)->name() == name) {
3448 return boost::shared_ptr<Bundle> ();
3452 Session::tempo_map_changed (const PropertyChange&)
3456 playlists->update_after_tempo_map_change ();
3458 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
3464 Session::update_locations_after_tempo_map_change (Locations::LocationList& loc)
3466 for (Locations::LocationList::iterator i = loc.begin(); i != loc.end(); ++i) {
3467 (*i)->recompute_frames_from_bbt ();
3471 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
3472 * the given count with the current block size.
3475 Session::ensure_buffers (ChanCount howmany)
3477 BufferManager::ensure_buffers (howmany);
3481 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
3483 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
3484 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
3489 Session::next_insert_id ()
3491 /* this doesn't really loop forever. just think about it */
3494 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
3495 if (!insert_bitset[n]) {
3496 insert_bitset[n] = true;
3502 /* none available, so resize and try again */
3504 insert_bitset.resize (insert_bitset.size() + 16, false);
3509 Session::next_send_id ()
3511 /* this doesn't really loop forever. just think about it */
3514 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
3515 if (!send_bitset[n]) {
3516 send_bitset[n] = true;
3522 /* none available, so resize and try again */
3524 send_bitset.resize (send_bitset.size() + 16, false);
3529 Session::next_return_id ()
3531 /* this doesn't really loop forever. just think about it */
3534 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < return_bitset.size(); ++n) {
3535 if (!return_bitset[n]) {
3536 return_bitset[n] = true;
3542 /* none available, so resize and try again */
3544 return_bitset.resize (return_bitset.size() + 16, false);
3549 Session::mark_send_id (uint32_t id)
3551 if (id >= send_bitset.size()) {
3552 send_bitset.resize (id+16, false);
3554 if (send_bitset[id]) {
3555 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
3557 send_bitset[id] = true;
3561 Session::mark_return_id (uint32_t id)
3563 if (id >= return_bitset.size()) {
3564 return_bitset.resize (id+16, false);
3566 if (return_bitset[id]) {
3567 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
3569 return_bitset[id] = true;
3573 Session::mark_insert_id (uint32_t id)
3575 if (id >= insert_bitset.size()) {
3576 insert_bitset.resize (id+16, false);
3578 if (insert_bitset[id]) {
3579 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
3581 insert_bitset[id] = true;
3585 Session::unmark_send_id (uint32_t id)
3587 if (id < send_bitset.size()) {
3588 send_bitset[id] = false;
3593 Session::unmark_return_id (uint32_t id)
3595 if (id < return_bitset.size()) {
3596 return_bitset[id] = false;
3601 Session::unmark_insert_id (uint32_t id)
3603 if (id < insert_bitset.size()) {
3604 insert_bitset[id] = false;
3609 /* Named Selection management */
3611 boost::shared_ptr<NamedSelection>
3612 Session::named_selection_by_name (string name)
3614 Glib::Mutex::Lock lm (named_selection_lock);
3615 for (NamedSelectionList::iterator i = named_selections.begin(); i != named_selections.end(); ++i) {
3616 if ((*i)->name == name) {
3620 return boost::shared_ptr<NamedSelection>();
3624 Session::add_named_selection (boost::shared_ptr<NamedSelection> named_selection)
3627 Glib::Mutex::Lock lm (named_selection_lock);
3628 named_selections.insert (named_selections.begin(), named_selection);
3633 NamedSelectionAdded (); /* EMIT SIGNAL */
3637 Session::remove_named_selection (boost::shared_ptr<NamedSelection> named_selection)
3639 bool removed = false;
3642 Glib::Mutex::Lock lm (named_selection_lock);
3644 NamedSelectionList::iterator i = find (named_selections.begin(), named_selections.end(), named_selection);
3646 if (i != named_selections.end()) {
3647 named_selections.erase (i);
3654 NamedSelectionRemoved (); /* EMIT SIGNAL */
3659 Session::reset_native_file_format ()
3661 boost::shared_ptr<RouteList> rl = routes.reader ();
3662 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
3663 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3665 /* don't save state as we do this, there's no point
3668 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
3669 tr->reset_write_sources (false);
3670 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
3676 Session::route_name_unique (string n) const
3678 boost::shared_ptr<RouteList> r = routes.reader ();
3680 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3681 if ((*i)->name() == n) {
3690 Session::route_name_internal (string n) const
3692 if (auditioner && auditioner->name() == n) {
3696 if (_click_io && _click_io->name() == n) {
3704 Session::freeze_all (InterThreadInfo& itt)
3706 boost::shared_ptr<RouteList> r = routes.reader ();
3708 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3710 boost::shared_ptr<Track> t;
3712 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
3713 /* XXX this is wrong because itt.progress will keep returning to zero at the start
3723 boost::shared_ptr<Region>
3724 Session::write_one_track (AudioTrack& track, framepos_t start, framepos_t end,
3725 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
3726 InterThreadInfo& itt, bool enable_processing)
3728 boost::shared_ptr<Region> result;
3729 boost::shared_ptr<Playlist> playlist;
3730 boost::shared_ptr<AudioFileSource> fsource;
3732 char buf[PATH_MAX+1];
3733 ChanCount diskstream_channels (track.n_channels());
3734 framepos_t position;
3735 framecnt_t this_chunk;
3738 SessionDirectory sdir(get_best_session_directory_for_new_source ());
3739 const string sound_dir = sdir.sound_path().to_string();
3740 framepos_t len = end - start;
3741 bool need_block_size_reset = false;
3743 ChanCount const max_proc = track.max_processor_streams ();
3746 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
3747 end, start) << endmsg;
3751 const framecnt_t chunk_size = (256 * 1024)/4;
3753 // block all process callback handling
3755 block_processing ();
3757 /* call tree *MUST* hold route_lock */
3759 if ((playlist = track.playlist()) == 0) {
3763 /* external redirects will be a problem */
3765 if (track.has_external_redirects()) {
3769 ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
3771 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n_audio(); ++chan_n) {
3773 for (x = 0; x < 99999; ++x) {
3774 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());
3775 if (!Glib::file_test (buf, Glib::FILE_TEST_EXISTS)) {
3781 error << string_compose (_("too many bounced versions of playlist \"%1\""), playlist->name()) << endmsg;
3786 fsource = boost::dynamic_pointer_cast<AudioFileSource> (
3787 SourceFactory::createWritable (DataType::AUDIO, *this, buf, string(), false, frame_rate()));
3790 catch (failed_constructor& err) {
3791 error << string_compose (_("cannot create new audio file \"%1\" for %2"), buf, track.name()) << endmsg;
3795 srcs.push_back (fsource);
3798 /* tell redirects that care that we are about to use a much larger blocksize */
3800 need_block_size_reset = true;
3801 track.set_block_size (chunk_size);
3803 /* XXX need to flush all redirects */
3808 /* create a set of reasonably-sized buffers */
3809 buffers.ensure_buffers (DataType::AUDIO, max_proc.n_audio(), chunk_size);
3810 buffers.set_count (max_proc);
3812 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3813 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3815 afs->prepare_for_peakfile_writes ();
3818 while (to_do && !itt.cancel) {
3820 this_chunk = min (to_do, chunk_size);
3822 if (track.export_stuff (buffers, start, this_chunk, enable_processing)) {
3827 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
3828 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3831 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
3837 start += this_chunk;
3838 to_do -= this_chunk;
3840 itt.progress = (float) (1.0 - ((double) to_do / len));
3849 xnow = localtime (&now);
3851 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
3852 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3855 afs->update_header (position, *xnow, now);
3856 afs->flush_header ();
3860 /* construct a region to represent the bounced material */
3864 plist.add (Properties::start, 0);
3865 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
3866 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
3868 result = RegionFactory::create (srcs, plist);
3874 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3875 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3878 afs->mark_for_remove ();
3881 (*src)->drop_references ();
3885 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
3886 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
3889 afs->done_with_peakfile_writes ();
3894 if (need_block_size_reset) {
3895 track.set_block_size (get_block_size());
3898 unblock_processing ();
3904 Session::gain_automation_buffer() const
3906 return ProcessThread::gain_automation_buffer ();
3910 Session::pan_automation_buffer() const
3912 return ProcessThread::pan_automation_buffer ();
3916 Session::get_silent_buffers (ChanCount count)
3918 return ProcessThread::get_silent_buffers (count);
3922 Session::get_scratch_buffers (ChanCount count)
3924 return ProcessThread::get_scratch_buffers (count);
3928 Session::get_mix_buffers (ChanCount count)
3930 return ProcessThread::get_mix_buffers (count);
3934 Session::ntracks () const
3937 boost::shared_ptr<RouteList> r = routes.reader ();
3939 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3940 if (boost::dynamic_pointer_cast<Track> (*i)) {
3949 Session::nbusses () const
3952 boost::shared_ptr<RouteList> r = routes.reader ();
3954 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3955 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
3964 Session::add_automation_list(AutomationList *al)
3966 automation_lists[al->id()] = al;
3970 Session::sync_order_keys (std::string const & base)
3972 if (deletion_in_progress()) {
3976 if (!Config->get_sync_all_route_ordering()) {
3977 /* leave order keys as they are */
3981 boost::shared_ptr<RouteList> r = routes.reader ();
3983 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3984 (*i)->sync_order_keys (base);
3987 Route::SyncOrderKeys (base); // EMIT SIGNAL
3989 /* this might not do anything */
3991 set_remote_control_ids ();
3994 /** @return true if there is at least one record-enabled track, otherwise false */
3996 Session::have_rec_enabled_track () const
3998 return g_atomic_int_get (&_have_rec_enabled_track) == 1;
4001 /** Update the state of our rec-enabled tracks flag */
4003 Session::update_have_rec_enabled_track ()
4005 boost::shared_ptr<RouteList> rl = routes.reader ();
4006 RouteList::iterator i = rl->begin();
4007 while (i != rl->end ()) {
4009 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4010 if (tr && tr->record_enabled ()) {
4017 int const old = g_atomic_int_get (&_have_rec_enabled_track);
4019 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
4021 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
4022 RecordStateChanged (); /* EMIT SIGNAL */
4027 Session::listen_position_changed ()
4029 boost::shared_ptr<RouteList> r = routes.reader ();
4031 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4032 (*i)->listen_position_changed ();
4037 Session::solo_control_mode_changed ()
4039 /* cancel all solo or all listen when solo control mode changes */
4042 set_solo (get_routes(), false);
4043 } else if (listening()) {
4044 set_listen (get_routes(), false);
4048 /** Called when a property of one of our route groups changes */
4050 Session::route_group_property_changed (RouteGroup* rg)
4052 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
4055 /** Called when a route is added to one of our route groups */
4057 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
4059 RouteAddedToRouteGroup (rg, r);
4062 /** Called when a route is removed from one of our route groups */
4064 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
4066 RouteRemovedFromRouteGroup (rg, r);
4070 Session::get_available_sync_options () const
4072 vector<SyncSource> ret;
4074 ret.push_back (JACK);
4075 ret.push_back (MTC);
4076 ret.push_back (MIDIClock);
4081 boost::shared_ptr<RouteList>
4082 Session::get_routes_with_regions_at (framepos_t const p) const
4084 boost::shared_ptr<RouteList> r = routes.reader ();
4085 boost::shared_ptr<RouteList> rl (new RouteList);
4087 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4088 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4093 boost::shared_ptr<Playlist> pl = tr->playlist ();
4098 if (pl->has_region_at (p)) {
4107 Session::goto_end ()
4109 if (_session_range_location) {
4110 request_locate (_session_range_location->end(), false);
4112 request_locate (0, false);
4117 Session::goto_start ()
4119 if (_session_range_location) {
4120 request_locate (_session_range_location->start(), false);
4122 request_locate (0, false);
4127 Session::current_start_frame () const
4129 return _session_range_location ? _session_range_location->start() : 0;
4133 Session::current_end_frame () const
4135 return _session_range_location ? _session_range_location->end() : 0;
4139 Session::add_session_range_location (framepos_t start, framepos_t end)
4141 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange);
4142 _locations->add (_session_range_location);
4145 /** Called when one of our routes' order keys has changed */
4147 Session::route_order_key_changed ()
4149 RouteOrderKeyChanged (); /* EMIT SIGNAL */
4153 Session::step_edit_status_change (bool yn)
4159 send = (_step_editors == 0);
4164 send = (_step_editors == 1);
4167 if (_step_editors > 0) {
4173 StepEditStatusChange (val);
4179 Session::start_time_changed (framepos_t old)
4181 /* Update the auto loop range to match the session range
4182 (unless the auto loop range has been changed by the user)
4185 Location* s = _locations->session_range_location ();
4190 Location* l = _locations->auto_loop_location ();
4192 if (l->start() == old) {
4193 l->set_start (s->start(), true);
4198 Session::end_time_changed (framepos_t old)
4200 /* Update the auto loop range to match the session range
4201 (unless the auto loop range has been changed by the user)
4204 Location* s = _locations->session_range_location ();
4209 Location* l = _locations->auto_loop_location ();
4211 if (l && l->end() == old) {
4212 l->set_end (s->end(), true);
4217 Session::source_search_path (DataType type) const
4221 /* first check the explicit (possibly user-specified) search path
4224 vector<string> dirs;
4227 case DataType::AUDIO:
4228 split (config.get_audio_search_path (), dirs, ':');
4230 case DataType::MIDI:
4231 split (config.get_midi_search_path (), dirs, ':');
4235 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
4241 if (!search_path.empty()) {
4245 /* if there was nothing there, check the session dirs */
4247 if (session_dirs.size() == 1) {
4249 case DataType::AUDIO:
4250 search_path = _session_dir->sound_path().to_string();
4252 case DataType::MIDI:
4253 search_path = _session_dir->midi_path().to_string();
4257 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4258 SessionDirectory sdir (i->path);
4259 if (!search_path.empty()) {
4263 case DataType::AUDIO:
4264 search_path += sdir.sound_path().to_string();
4266 case DataType::MIDI:
4267 search_path += sdir.midi_path().to_string();
4277 Session::ensure_search_path_includes (const string& path, DataType type)
4280 vector<string> dirs;
4286 search_path = source_search_path (type);
4287 split (search_path, dirs, ':');
4289 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
4295 if (!search_path.empty()) {
4299 search_path += path;
4302 case DataType::AUDIO:
4303 config.set_audio_search_path (search_path);
4305 case DataType::MIDI:
4306 config.set_midi_search_path (search_path);
4311 boost::shared_ptr<Speakers>
4312 Session::get_speakers()
4318 Session::unknown_processors () const
4322 boost::shared_ptr<RouteList> r = routes.reader ();
4323 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4324 list<string> t = (*i)->unknown_processors ();
4325 copy (t.begin(), t.end(), back_inserter (p));
4335 Session::update_latency (bool playback)
4337 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
4339 if (_state_of_the_state & (InitialConnecting|Deletion)) {
4343 boost::shared_ptr<RouteList> r = routes.reader ();
4344 framecnt_t max_latency = 0;
4347 /* reverse the list so that we work backwards from the last route to run to the first */
4348 RouteList* rl = routes.reader().get();
4349 r.reset (new RouteList (*rl));
4350 reverse (r->begin(), r->end());
4353 /* compute actual latency values for the given direction and store them all in per-port
4354 structures. this will also publish the same values (to JACK) so that computation of latency
4355 for routes can consistently use public latency values.
4358 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4359 max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
4362 /* because we latency compensate playback, our published playback latencies should
4363 be the same for all output ports - all material played back by ardour has
4364 the same latency, whether its caused by plugins or by latency compensation. since
4365 these may differ from the values computed above, reset all playback port latencies
4369 DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
4371 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4372 (*i)->set_public_port_latencies (max_latency, playback);
4377 post_playback_latency ();
4381 post_capture_latency ();
4384 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
4388 Session::post_playback_latency ()
4390 set_worst_playback_latency ();
4392 boost::shared_ptr<RouteList> r = routes.reader ();
4394 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4395 if (!(*i)->is_hidden() && ((*i)->active())) {
4396 _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
4400 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4401 (*i)->set_latency_compensation (_worst_track_latency);
4406 Session::post_capture_latency ()
4408 set_worst_capture_latency ();
4410 /* reflect any changes in capture latencies into capture offsets
4413 boost::shared_ptr<RouteList> rl = routes.reader();
4414 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4415 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4417 tr->set_capture_offset ();
4423 Session::initialize_latencies ()
4426 Glib::Mutex::Lock lm (_engine.process_lock());
4427 update_latency (false);
4428 update_latency (true);
4431 set_worst_io_latencies ();
4435 Session::set_worst_io_latencies ()
4437 set_worst_playback_latency ();
4438 set_worst_capture_latency ();
4442 Session::set_worst_playback_latency ()
4444 if (_state_of_the_state & (InitialConnecting|Deletion)) {
4448 _worst_output_latency = 0;
4450 if (!_engine.connected()) {
4454 boost::shared_ptr<RouteList> r = routes.reader ();
4456 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4457 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
4460 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
4464 Session::set_worst_capture_latency ()
4466 if (_state_of_the_state & (InitialConnecting|Deletion)) {
4470 _worst_input_latency = 0;
4472 if (!_engine.connected()) {
4476 boost::shared_ptr<RouteList> r = routes.reader ();
4478 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4479 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
4482 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
4486 Session::update_latency_compensation (bool force_whole_graph)
4488 bool some_track_latency_changed = false;
4490 if (_state_of_the_state & (InitialConnecting|Deletion)) {
4494 DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
4496 _worst_track_latency = 0;
4498 boost::shared_ptr<RouteList> r = routes.reader ();
4500 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4501 if (!(*i)->is_hidden() && ((*i)->active())) {
4503 if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
4504 some_track_latency_changed = true;
4506 _worst_track_latency = max (tl, _worst_track_latency);
4510 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
4511 (some_track_latency_changed ? "yes" : "no")));
4513 DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
4515 if (some_track_latency_changed || force_whole_graph) {
4516 _engine.update_latencies ();
4520 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4521 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4525 tr->set_capture_offset ();