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.
26 #include <cstdio> /* sprintf(3) ... grrr */
32 #include <glibmm/threads.h>
33 #include <glibmm/miscutils.h>
34 #include <glibmm/fileutils.h>
36 #include <boost/algorithm/string/erase.hpp>
38 #include "pbd/basename.h"
39 #include "pbd/convert.h"
40 #include "pbd/error.h"
41 #include "pbd/file_utils.h"
43 #include "pbd/pthread_utils.h"
44 #include "pbd/search_path.h"
45 #include "pbd/stacktrace.h"
46 #include "pbd/stl_delete.h"
47 #include "pbd/replace_all.h"
48 #include "pbd/unwind.h"
50 #include "ardour/amp.h"
51 #include "ardour/analyser.h"
52 #include "ardour/async_midi_port.h"
53 #include "ardour/audio_buffer.h"
54 #include "ardour/audio_diskstream.h"
55 #include "ardour/audio_port.h"
56 #include "ardour/audio_track.h"
57 #include "ardour/audioengine.h"
58 #include "ardour/audiofilesource.h"
59 #include "ardour/auditioner.h"
60 #include "ardour/boost_debug.h"
61 #include "ardour/buffer_manager.h"
62 #include "ardour/buffer_set.h"
63 #include "ardour/bundle.h"
64 #include "ardour/butler.h"
65 #include "ardour/click.h"
66 #include "ardour/control_protocol_manager.h"
67 #include "ardour/data_type.h"
68 #include "ardour/debug.h"
69 #include "ardour/directory_names.h"
70 #ifdef USE_TRACKS_CODE_FEATURES
71 #include "ardour/engine_state_controller.h"
73 #include "ardour/filename_extensions.h"
74 #include "ardour/gain_control.h"
75 #include "ardour/graph.h"
76 #include "ardour/luabindings.h"
77 #include "ardour/midiport_manager.h"
78 #include "ardour/scene_changer.h"
79 #include "ardour/midi_patch_manager.h"
80 #include "ardour/midi_track.h"
81 #include "ardour/midi_ui.h"
82 #include "ardour/operations.h"
83 #include "ardour/playlist.h"
84 #include "ardour/playlist_factory.h"
85 #include "ardour/plugin.h"
86 #include "ardour/plugin_insert.h"
87 #include "ardour/process_thread.h"
88 #include "ardour/profile.h"
89 #include "ardour/rc_configuration.h"
90 #include "ardour/recent_sessions.h"
91 #include "ardour/region.h"
92 #include "ardour/region_factory.h"
93 #include "ardour/revision.h"
94 #include "ardour/route_graph.h"
95 #include "ardour/route_group.h"
96 #include "ardour/send.h"
97 #include "ardour/session.h"
98 #include "ardour/session_directory.h"
99 #include "ardour/session_playlists.h"
100 #include "ardour/smf_source.h"
101 #include "ardour/solo_isolate_control.h"
102 #include "ardour/source_factory.h"
103 #include "ardour/speakers.h"
104 #include "ardour/tempo.h"
105 #include "ardour/ticker.h"
106 #include "ardour/track.h"
107 #include "ardour/types_convert.h"
108 #include "ardour/user_bundle.h"
109 #include "ardour/utils.h"
110 #include "ardour/vca_manager.h"
111 #include "ardour/vca.h"
113 #include "midi++/port.h"
114 #include "midi++/mmc.h"
116 #include "LuaBridge/LuaBridge.h"
118 #include "pbd/i18n.h"
120 #include <glibmm/checksum.h>
129 using namespace ARDOUR;
132 bool Session::_disable_all_loaded_plugins = false;
133 bool Session::_bypass_all_loaded_plugins = false;
134 guint Session::_name_id_counter = 0;
136 PBD::Signal1<int,uint32_t> Session::AudioEngineSetupRequired;
137 PBD::Signal1<void,std::string> Session::Dialog;
138 PBD::Signal0<int> Session::AskAboutPendingState;
139 PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
140 PBD::Signal2<void, framecnt_t, framecnt_t> Session::NotifyAboutSampleRateMismatch;
141 PBD::Signal0<void> Session::SendFeedback;
142 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
144 PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
145 PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
146 PBD::Signal2<void,std::string, std::string> Session::Exported;
147 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
148 PBD::Signal0<void> Session::Quit;
149 PBD::Signal0<void> Session::FeedbackDetected;
150 PBD::Signal0<void> Session::SuccessfulGraphSort;
151 PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
153 const framecnt_t Session::bounce_chunk_size = 8192;
154 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
155 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
157 // seconds should be added after the region exceeds end marker
158 #ifdef USE_TRACKS_CODE_FEATURES
159 const uint32_t Session::session_end_shift = 5;
161 const uint32_t Session::session_end_shift = 0;
164 /** @param snapshot_name Snapshot name, without .ardour suffix */
165 Session::Session (AudioEngine &eng,
166 const string& fullpath,
167 const string& snapshot_name,
168 BusProfile* bus_profile,
170 : playlists (new SessionPlaylists)
172 , process_function (&Session::process_with_events)
173 , _bounce_processing_active (false)
174 , waiting_for_sync_offset (false)
175 , _base_frame_rate (0)
176 , _nominal_frame_rate (0)
177 , _current_frame_rate (0)
178 , transport_sub_state (0)
179 , _record_status (Disabled)
180 , _transport_frame (0)
181 , _session_range_location (0)
182 , _session_range_end_is_free (true)
185 , _transport_speed (0)
186 , _default_transport_speed (1.0)
187 , _last_transport_speed (0)
188 , _target_transport_speed (0.0)
189 , auto_play_legal (false)
190 , _last_slave_transport_frame (0)
191 , maximum_output_latency (0)
192 , _requested_return_frame (-1)
193 , current_block_size (0)
194 , _worst_output_latency (0)
195 , _worst_input_latency (0)
196 , _worst_track_latency (0)
197 , _have_captured (false)
198 , _non_soloed_outs_muted (false)
201 , _solo_isolated_cnt (0)
203 , _was_seamless (Config->get_seamless_loop ())
204 , _under_nsm_control (false)
206 , delta_accumulator_cnt (0)
207 , average_slave_delta (1800) // !!! why 1800 ???
209 , have_first_delta_accumulator (false)
210 , _slave_state (Stopped)
211 , _mtc_active (false)
212 , _ltc_active (false)
213 , post_export_sync (false)
214 , post_export_position (0)
216 , _export_rolling (false)
217 , _realtime_export (false)
218 , _region_export (false)
219 , _export_preroll (0)
220 , _export_latency (0)
221 , _pre_export_mmc_enabled (false)
222 , _name (snapshot_name)
224 , _send_qf_mtc (false)
225 , _pframes_since_last_mtc (0)
227 , loop_changing (false)
229 , _session_dir (new SessionDirectory (fullpath))
230 , _current_snapshot_name (snapshot_name)
232 , state_was_pending (false)
233 , _state_of_the_state (StateOfTheState(CannotSave|InitialConnecting|Loading))
235 , _save_queued (false)
236 , _last_roll_location (0)
237 , _last_roll_or_reversal_location (0)
238 , _last_record_location (0)
239 , pending_locate_roll (false)
240 , pending_locate_frame (0)
241 , pending_locate_flush (false)
242 , pending_abort (false)
243 , pending_auto_loop (false)
244 , _mempool ("Session", 3145728)
245 , lua (lua_newstate (&PBD::ReallocPool::lalloc, &_mempool))
247 , _butler (new Butler (*this))
248 , _post_transport_work (0)
249 , cumulative_rf_motion (0)
251 , _locations (new Locations (*this))
252 , _ignore_skips_updates (false)
253 , _rt_thread_active (false)
254 , _rt_emit_pending (false)
255 , _ac_thread_active (0)
256 , _latency_recompute_pending (0)
258 , outbound_mtc_timecode_frame (0)
259 , next_quarter_frame_to_send (-1)
260 , _samples_per_timecode_frame (0)
261 , _frames_per_hour (0)
262 , _timecode_frames_per_hour (0)
263 , last_timecode_valid (false)
264 , last_timecode_when (0)
265 , _send_timecode_update (false)
277 , ltc_timecode_offset (0)
278 , ltc_timecode_negative_offset (false)
279 , midi_control_ui (0)
281 , _all_route_group (new RouteGroup (*this, "all"))
282 , routes (new RouteList)
283 , _adding_routes_in_progress (false)
284 , _reconnecting_routes_in_progress (false)
285 , _route_deletion_in_progress (false)
286 , destructive_index (0)
287 , _track_number_decimals(1)
288 , default_fade_steepness (0)
289 , default_fade_msecs (0)
290 , _total_free_4k_blocks (0)
291 , _total_free_4k_blocks_uncertain (false)
292 , no_questions_about_missing_files (false)
295 , _bundles (new BundleList)
296 , _bundle_xml_node (0)
299 , _click_rec_only (false)
301 , click_emphasis_data (0)
303 , click_emphasis_length (0)
304 , _clicks_cleared (0)
305 , _count_in_samples (0)
306 , _play_range (false)
307 , _range_selection (-1,-1)
308 , _object_selection (-1,-1)
309 , _preroll_record_punch_pos (-1)
310 , _preroll_record_trim_len (0)
311 , _count_in_once (false)
313 , first_file_data_format_reset (true)
314 , first_file_header_format_reset (true)
315 , have_looped (false)
316 , _have_rec_enabled_track (false)
317 , _have_rec_disabled_track (true)
319 , _suspend_timecode_transmission (0)
320 , _speakers (new Speakers)
321 , _ignore_route_processor_changes (0)
326 , _vca_manager (new VCAManager (*this))
330 created_with = string_compose ("%1 %2", PROGRAM_NAME, revision);
332 pthread_mutex_init (&_rt_emit_mutex, 0);
333 pthread_cond_init (&_rt_emit_cond, 0);
335 pthread_mutex_init (&_auto_connect_mutex, 0);
336 pthread_cond_init (&_auto_connect_cond, 0);
338 init_name_id_counter (1); // reset for new sessions, start at 1
339 VCA::set_next_vca_number (1); // reset for new sessions, start at 1
341 pre_engine_init (fullpath); // sets _is_new
347 Stateful::loading_state_version = CURRENT_SESSION_FILE_VERSION;
349 #ifdef USE_TRACKS_CODE_FEATURES
350 sr = EngineStateController::instance()->get_current_sample_rate();
352 if (ensure_engine (sr, true)) {
354 throw SessionException (_("Cannot connect to audio/midi engine"));
357 // set samplerate for plugins added early
358 // e.g from templates or MB channelstrip
359 set_block_size (_engine.samples_per_cycle());
360 set_frame_rate (_engine.sample_rate());
362 if (create (mix_template, bus_profile)) {
364 throw SessionException (_("Session initialization failed"));
367 /* if a mix template was provided, then ::create() will
368 * have copied it into the session and we need to load it
369 * so that we have the state ready for ::set_state()
370 * after the engine is started.
372 * Note that we do NOT try to get the sample rate from
373 * the template at this time, though doing so would
374 * be easy if we decided this was an appropriate part
378 if (!mix_template.empty()) {
379 if (load_state (_current_snapshot_name)) {
380 throw SessionException (_("Failed to load template/snapshot state"));
382 store_recent_templates (mix_template);
385 /* load default session properties - if any */
390 if (load_state (_current_snapshot_name)) {
391 throw SessionException (_("Failed to load state"));
394 /* try to get sample rate from XML state so that we
395 * can influence the SR if we set up the audio
400 XMLProperty const * prop;
401 XMLNode const * root (state_tree->root());
402 if ((prop = root->property (X_("sample-rate"))) != 0) {
403 sr = atoi (prop->value());
407 if (ensure_engine (sr, false)) {
409 throw SessionException (_("Cannot connect to audio/midi engine"));
413 if (post_engine_init ()) {
415 throw SessionException (_("Cannot configure audio/midi engine with session parameters"));
418 store_recent_sessions (_name, _path);
420 bool was_dirty = dirty();
422 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
424 PresentationInfo::Change.connect_same_thread (*this, boost::bind (&Session::notify_presentation_info_change, this));
426 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
427 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
430 DirtyChanged (); /* EMIT SIGNAL */
433 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
434 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
436 emit_thread_start ();
437 auto_connect_thread_start ();
439 /* hook us up to the engine since we are now completely constructed */
441 BootMessage (_("Connect to engine"));
443 _engine.set_session (this);
444 _engine.reset_timebase ();
446 #ifdef USE_TRACKS_CODE_FEATURES
448 EngineStateController::instance()->set_session(this);
451 if ( ARDOUR::Profile->get_trx () ) {
453 /* Waves Tracks: fill session with tracks basing on the amount of inputs.
454 * each available input must have corresponding track when session starts.
457 uint32_t how_many (0);
459 std::vector<std::string> inputs;
460 EngineStateController::instance()->get_physical_audio_inputs(inputs);
462 how_many = inputs.size();
464 list<boost::shared_ptr<AudioTrack> > tracks;
466 // Track names after driver
467 if (Config->get_tracks_auto_naming() == NameAfterDriver) {
468 string track_name = "";
469 for (std::vector<string>::size_type i = 0; i < inputs.size(); ++i) {
471 track_name = inputs[i];
472 replace_all (track_name, "system:capture", "");
474 list<boost::shared_ptr<AudioTrack> > single_track = new_audio_track (1, 1, Normal, 0, 1, track_name);
475 tracks.insert(tracks.begin(), single_track.front());
477 } else { // Default track names
478 tracks = new_audio_track (1, 1, Normal, 0, how_many, string());
481 if (tracks.size() != how_many) {
483 throw failed_constructor ();
489 ensure_subdirs (); // archived or zipped sessions may lack peaks/ analysis/ etc
494 BootMessage (_("Session loading complete"));
506 Session::next_name_id ()
508 return g_atomic_int_add (&_name_id_counter, 1);
512 Session::name_id_counter ()
514 return g_atomic_int_get (&_name_id_counter);
518 Session::init_name_id_counter (guint n)
520 g_atomic_int_set (&_name_id_counter, n);
524 Session::ensure_engine (uint32_t desired_sample_rate, bool isnew)
526 if (_engine.current_backend() == 0) {
527 /* backend is unknown ... */
528 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
529 if (r.get_value_or (-1) != 0) {
532 } else if (!isnew && _engine.running() && _engine.sample_rate () == desired_sample_rate) {
534 } else if (_engine.setup_required()) {
535 /* backend is known, but setup is needed */
536 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
537 if (r.get_value_or (-1) != 0) {
540 } else if (!_engine.running()) {
541 if (_engine.start()) {
546 /* at this point the engine should be running */
548 if (!_engine.running()) {
552 return immediately_post_engine ();
557 Session::immediately_post_engine ()
559 /* Do various initializations that should take place directly after we
560 * know that the engine is running, but before we either create a
561 * session or set state for an existing one.
564 if (how_many_dsp_threads () > 1) {
565 /* For now, only create the graph if we are using >1 DSP threads, as
566 it is a bit slower than the old code with 1 thread.
568 _process_graph.reset (new Graph (*this));
571 /* every time we reconnect, recompute worst case output latencies */
573 _engine.Running.connect_same_thread (*this, boost::bind (&Session::initialize_latencies, this));
575 if (synced_to_engine()) {
576 _engine.transport_stop ();
579 if (config.get_jack_time_master()) {
580 _engine.transport_locate (_transport_frame);
585 BootMessage (_("Set up LTC"));
587 BootMessage (_("Set up Click"));
589 BootMessage (_("Set up standard connections"));
593 catch (failed_constructor& err) {
597 /* TODO, connect in different thread. (PortRegisteredOrUnregistered may be in RT context)
599 _engine.PortRegisteredOrUnregistered.connect_same_thread (*this, boost::bind (&Session::setup_bundles, this));
607 vector<void*> debug_pointers;
609 /* if we got to here, leaving pending capture state around
613 remove_pending_capture_state ();
617 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
619 /* disconnect from any and all signals that we are connected to */
621 Port::PortSignalDrop (); /* EMIT SIGNAL */
624 /* shutdown control surface protocols while we still have ports
625 and the engine to move data to any devices.
628 ControlProtocolManager::instance().drop_protocols ();
630 /* stop auto dis/connecting */
631 auto_connect_thread_terminate ();
633 MIDI::Name::MidiPatchManager::instance().remove_search_path(session_directory().midi_patch_path());
635 _engine.remove_session ();
637 #ifdef USE_TRACKS_CODE_FEATURES
638 EngineStateController::instance()->remove_session();
641 /* deregister all ports - there will be no process or any other
642 * callbacks from the engine any more.
645 Port::PortDrop (); /* EMIT SIGNAL */
649 /* clear history so that no references to objects are held any more */
653 /* clear state tree so that no references to objects are held any more */
658 // unregister all lua functions, drop held references (if any)
660 lua.do_command ("Session = nil");
668 lua.collect_garbage ();
670 /* reset dynamic state version back to default */
671 Stateful::loading_state_version = 0;
673 _butler->drop_references ();
677 delete _all_route_group;
679 DEBUG_TRACE (DEBUG::Destruction, "delete route groups\n");
680 for (list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
684 if (click_data != default_click) {
685 delete [] click_data;
688 if (click_emphasis_data != default_click_emphasis) {
689 delete [] click_emphasis_data;
694 /* need to remove auditioner before monitoring section
695 * otherwise it is re-connected */
698 /* drop references to routes held by the monitoring section
699 * specifically _monitor_out aux/listen references */
700 remove_monitor_section();
702 /* clear out any pending dead wood from RCU managed objects */
707 AudioDiskstream::free_working_buffers();
709 /* tell everyone who is still standing that we're about to die */
712 /* tell everyone to drop references and delete objects as we go */
714 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
715 RegionFactory::delete_all_regions ();
717 /* Do this early so that VCAs no longer hold references to routes */
719 DEBUG_TRACE (DEBUG::Destruction, "delete vcas\n");
722 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
724 /* reset these three references to special routes before we do the usual route delete thing */
726 _master_out.reset ();
727 _monitor_out.reset ();
730 RCUWriter<RouteList> writer (routes);
731 boost::shared_ptr<RouteList> r = writer.get_copy ();
733 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
734 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
735 (*i)->drop_references ();
739 /* writer goes out of scope and updates master */
744 DEBUG_TRACE (DEBUG::Destruction, "delete sources\n");
745 Glib::Threads::Mutex::Lock lm (source_lock);
746 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
747 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for source %1 ; pre-ref = %2\n", i->second->name(), i->second.use_count()));
748 i->second->drop_references ();
754 /* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
757 emit_thread_terminate ();
759 pthread_cond_destroy (&_rt_emit_cond);
760 pthread_mutex_destroy (&_rt_emit_mutex);
762 pthread_cond_destroy (&_auto_connect_cond);
763 pthread_mutex_destroy (&_auto_connect_mutex);
765 delete _scene_changer; _scene_changer = 0;
766 delete midi_control_ui; midi_control_ui = 0;
768 delete _mmc; _mmc = 0;
769 delete _midi_ports; _midi_ports = 0;
770 delete _locations; _locations = 0;
775 /* clear event queue, the session is gone, nobody is interested in
776 * those anymore, but they do leak memory if not removed
778 while (!immediate_events.empty ()) {
779 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
780 SessionEvent *ev = immediate_events.front ();
781 DEBUG_TRACE (DEBUG::SessionEvents, string_compose ("Drop event: %1\n", enum_2_string (ev->type)));
782 immediate_events.pop_front ();
786 case SessionEvent::AutoLoop:
787 case SessionEvent::AutoLoopDeclick:
788 case SessionEvent::Skip:
789 case SessionEvent::PunchIn:
790 case SessionEvent::PunchOut:
791 case SessionEvent::RecordStart:
792 case SessionEvent::StopOnce:
793 case SessionEvent::RangeStop:
794 case SessionEvent::RangeLocate:
798 case SessionEvent::RealTimeOperation:
805 del = del && !_remove_event (ev);
813 /* unregister all dropped ports, process pending port deletion. */
814 // this may call ARDOUR::Port::drop ... jack_port_unregister ()
815 // jack1 cannot cope with removing ports while processing
816 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
817 AudioEngine::instance()->clear_pending_port_deletions ();
820 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
822 BOOST_SHOW_POINTERS ();
826 Session::setup_ltc ()
830 _ltc_input.reset (new IO (*this, X_("LTC In"), IO::Input));
831 _ltc_output.reset (new IO (*this, X_("LTC Out"), IO::Output));
833 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC In"))) != 0) {
834 _ltc_input->set_state (*(child->children().front()), Stateful::loading_state_version);
837 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
838 _ltc_input->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
839 // TODO use auto-connect thread somehow (needs a route currently)
840 // see note in Session::auto_connect_thread_run() why process lock is needed.
841 reconnect_ltc_input ();
845 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC Out"))) != 0) {
846 _ltc_output->set_state (*(child->children().front()), Stateful::loading_state_version);
849 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
850 _ltc_output->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
851 // TODO use auto-connect thread
852 reconnect_ltc_output ();
856 /* fix up names of LTC ports because we don't want the normal
857 * IO style of NAME/TYPE-{in,out}N
860 _ltc_input->nth (0)->set_name (X_("LTC-in"));
861 _ltc_output->nth (0)->set_name (X_("LTC-out"));
865 Session::setup_click ()
869 boost::shared_ptr<AutomationList> gl (new AutomationList (Evoral::Parameter (GainAutomation)));
870 boost::shared_ptr<GainControl> gain_control = boost::shared_ptr<GainControl> (new GainControl (*this, Evoral::Parameter(GainAutomation), gl));
872 _click_io.reset (new ClickIO (*this, X_("Click")));
873 _click_gain.reset (new Amp (*this, _("Fader"), gain_control, true));
874 _click_gain->activate ();
876 setup_click_state (state_tree->root());
878 setup_click_state (0);
883 Session::setup_click_state (const XMLNode* node)
885 const XMLNode* child = 0;
887 if (node && (child = find_named_node (*node, "Click")) != 0) {
889 /* existing state for Click */
892 if (Stateful::loading_state_version < 3000) {
893 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
895 const XMLNodeList& children (child->children());
896 XMLNodeList::const_iterator i = children.begin();
897 if ((c = _click_io->set_state (**i, Stateful::loading_state_version)) == 0) {
899 if (i != children.end()) {
900 c = _click_gain->set_state (**i, Stateful::loading_state_version);
906 _clicking = Config->get_clicking ();
910 error << _("could not setup Click I/O") << endmsg;
917 /* default state for Click: dual-mono to first 2 physical outputs */
920 _engine.get_physical_outputs (DataType::AUDIO, outs);
922 for (uint32_t physport = 0; physport < 2; ++physport) {
923 if (outs.size() > physport) {
924 if (_click_io->add_port (outs[physport], this)) {
925 // relax, even though its an error
930 if (_click_io->n_ports () > ChanCount::ZERO) {
931 _clicking = Config->get_clicking ();
937 Session::get_physical_ports (vector<string>& inputs, vector<string>& outputs, DataType type,
938 MidiPortFlags include, MidiPortFlags exclude)
940 _engine.get_physical_inputs (type, inputs, include, exclude);
941 _engine.get_physical_outputs (type, outputs, include, exclude);
945 Session::setup_bundles ()
949 RCUWriter<BundleList> writer (_bundles);
950 boost::shared_ptr<BundleList> b = writer.get_copy ();
951 for (BundleList::iterator i = b->begin(); i != b->end();) {
952 if (boost::dynamic_pointer_cast<UserBundle>(*i)) {
960 vector<string> inputs[DataType::num_types];
961 vector<string> outputs[DataType::num_types];
963 for (uint32_t i = 0; i < DataType::num_types; ++i) {
964 get_physical_ports (inputs[i], outputs[i], DataType (DataType::Symbol (i)),
965 MidiPortFlags (0), /* no specific inclusions */
966 MidiPortFlags (MidiPortControl|MidiPortVirtual) /* exclude control & virtual ports */
970 /* Create a set of Bundle objects that map
971 to the physical I/O currently available. We create both
972 mono and stereo bundles, so that the common cases of mono
973 and stereo tracks get bundles to put in their mixer strip
974 in / out menus. There may be a nicer way of achieving that;
975 it doesn't really scale that well to higher channel counts
978 /* mono output bundles */
980 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
982 std::string pn = _engine.get_pretty_name_by_name (outputs[DataType::AUDIO][np]);
984 snprintf (buf, sizeof (buf), _("out %s"), pn.c_str());
986 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
989 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
990 c->add_channel (_("mono"), DataType::AUDIO);
991 c->set_port (0, outputs[DataType::AUDIO][np]);
993 add_bundle (c, false);
996 /* stereo output bundles */
998 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
999 if (np + 1 < outputs[DataType::AUDIO].size()) {
1001 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
1002 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
1003 c->add_channel (_("L"), DataType::AUDIO);
1004 c->set_port (0, outputs[DataType::AUDIO][np]);
1005 c->add_channel (_("R"), DataType::AUDIO);
1006 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
1008 add_bundle (c, false);
1012 /* mono input bundles */
1014 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
1016 std::string pn = _engine.get_pretty_name_by_name (inputs[DataType::AUDIO][np]);
1018 snprintf (buf, sizeof (buf), _("in %s"), pn.c_str());
1020 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
1023 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
1024 c->add_channel (_("mono"), DataType::AUDIO);
1025 c->set_port (0, inputs[DataType::AUDIO][np]);
1027 add_bundle (c, false);
1030 /* stereo input bundles */
1032 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
1033 if (np + 1 < inputs[DataType::AUDIO].size()) {
1035 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
1037 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
1038 c->add_channel (_("L"), DataType::AUDIO);
1039 c->set_port (0, inputs[DataType::AUDIO][np]);
1040 c->add_channel (_("R"), DataType::AUDIO);
1041 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
1043 add_bundle (c, false);
1047 /* MIDI input bundles */
1049 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
1050 string n = inputs[DataType::MIDI][np];
1052 std::string pn = _engine.get_pretty_name_by_name (n);
1056 boost::erase_first (n, X_("alsa_pcm:"));
1058 boost::shared_ptr<Bundle> c (new Bundle (n, false));
1059 c->add_channel ("", DataType::MIDI);
1060 c->set_port (0, inputs[DataType::MIDI][np]);
1061 add_bundle (c, false);
1064 /* MIDI output bundles */
1066 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
1067 string n = outputs[DataType::MIDI][np];
1068 std::string pn = _engine.get_pretty_name_by_name (n);
1072 boost::erase_first (n, X_("alsa_pcm:"));
1074 boost::shared_ptr<Bundle> c (new Bundle (n, true));
1075 c->add_channel ("", DataType::MIDI);
1076 c->set_port (0, outputs[DataType::MIDI][np]);
1077 add_bundle (c, false);
1080 // we trust the backend to only calls us if there's a change
1081 BundleAddedOrRemoved (); /* EMIT SIGNAL */
1085 Session::auto_connect_master_bus ()
1087 if (!_master_out || !Config->get_auto_connect_standard_busses() || _monitor_out) {
1091 // Waves Tracks: Do not connect master bas for Tracks if AutoConnectMaster option is not set
1092 // In this case it means "Multi Out" output mode
1093 if (ARDOUR::Profile->get_trx() && !(Config->get_output_auto_connect() & AutoConnectMaster) ) {
1097 /* if requested auto-connect the outputs to the first N physical ports.
1100 uint32_t limit = _master_out->n_outputs().n_total();
1101 vector<string> outputs[DataType::num_types];
1103 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1104 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1107 for (uint32_t n = 0; n < limit; ++n) {
1108 boost::shared_ptr<Port> p = _master_out->output()->nth (n);
1110 if (outputs[p->type()].size() > n) {
1111 connect_to = outputs[p->type()][n];
1114 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
1115 if (_master_out->output()->connect (p, connect_to, this)) {
1116 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
1125 Session::remove_monitor_section ()
1127 if (!_monitor_out || Profile->get_trx()) {
1131 /* force reversion to Solo-In-Place */
1132 Config->set_solo_control_is_listen_control (false);
1134 /* if we are auditioning, cancel it ... this is a workaround
1135 to a problem (auditioning does not execute the process graph,
1136 which is needed to remove routes when using >1 core for processing)
1141 /* Hold process lock while doing this so that we don't hear bits and
1142 * pieces of audio as we work on each route.
1145 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1147 /* Connect tracks to monitor section. Note that in an
1148 existing session, the internal sends will already exist, but we want the
1149 routes to notice that they connect to the control out specifically.
1153 boost::shared_ptr<RouteList> r = routes.reader ();
1154 ProcessorChangeBlocker pcb (this, false);
1156 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
1158 if ((*x)->is_monitor()) {
1160 } else if ((*x)->is_master()) {
1163 (*x)->remove_aux_or_listen (_monitor_out);
1168 remove_route (_monitor_out);
1169 if (_state_of_the_state & Deletion) {
1173 auto_connect_master_bus ();
1176 auditioner->connect ();
1179 Config->ParameterChanged ("use-monitor-bus");
1183 Session::add_monitor_section ()
1187 if (_monitor_out || !_master_out || Profile->get_trx()) {
1191 boost::shared_ptr<Route> r (new Route (*this, _("Monitor"), PresentationInfo::MonitorOut, DataType::AUDIO));
1197 BOOST_MARK_ROUTE(r);
1200 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1201 r->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1202 r->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1204 error << _("Cannot create monitor section. 'Monitor' Port name is not unique.") << endmsg;
1209 add_routes (rl, false, false, false, 0);
1211 assert (_monitor_out);
1213 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
1214 are undefined, at best.
1217 uint32_t limit = _monitor_out->n_inputs().n_audio();
1221 /* connect the inputs to the master bus outputs. this
1222 * represents a separate data feed from the internal sends from
1223 * each route. as of jan 2011, it allows the monitor section to
1224 * conditionally ignore either the internal sends or the normal
1225 * input feed, but we should really find a better way to do
1229 _master_out->output()->disconnect (this);
1231 for (uint32_t n = 0; n < limit; ++n) {
1232 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1233 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1236 string connect_to = o->name();
1237 if (_monitor_out->input()->connect (p, connect_to, this)) {
1238 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1246 /* if monitor section is not connected, connect it to physical outs
1249 if ((Config->get_auto_connect_standard_busses () || Profile->get_mixbus ()) && !_monitor_out->output()->connected ()) {
1251 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1253 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1256 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1258 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1259 Config->get_monitor_bus_preferred_bundle())
1265 /* Monitor bus is audio only */
1267 vector<string> outputs[DataType::num_types];
1269 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1270 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1273 uint32_t mod = outputs[DataType::AUDIO].size();
1274 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1278 for (uint32_t n = 0; n < limit; ++n) {
1280 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1282 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1283 connect_to = outputs[DataType::AUDIO][n % mod];
1286 if (!connect_to.empty()) {
1287 if (_monitor_out->output()->connect (p, connect_to, this)) {
1288 error << string_compose (
1289 _("cannot connect control output %1 to %2"),
1300 /* Hold process lock while doing this so that we don't hear bits and
1301 * pieces of audio as we work on each route.
1304 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1306 /* Connect tracks to monitor section. Note that in an
1307 existing session, the internal sends will already exist, but we want the
1308 routes to notice that they connect to the control out specifically.
1312 boost::shared_ptr<RouteList> rls = routes.reader ();
1314 ProcessorChangeBlocker pcb (this, false /* XXX */);
1316 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1318 if ((*x)->is_monitor()) {
1320 } else if ((*x)->is_master()) {
1323 (*x)->enable_monitor_send ();
1328 auditioner->connect ();
1330 Config->ParameterChanged ("use-monitor-bus");
1334 Session::reset_monitor_section ()
1336 /* Process lock should be held by the caller.*/
1338 if (!_monitor_out || Profile->get_trx()) {
1342 uint32_t limit = _master_out->n_outputs().n_audio();
1344 /* connect the inputs to the master bus outputs. this
1345 * represents a separate data feed from the internal sends from
1346 * each route. as of jan 2011, it allows the monitor section to
1347 * conditionally ignore either the internal sends or the normal
1348 * input feed, but we should really find a better way to do
1352 _master_out->output()->disconnect (this);
1353 _monitor_out->output()->disconnect (this);
1355 // monitor section follow master bus - except midi
1356 ChanCount mon_chn (_master_out->output()->n_ports());
1357 mon_chn.set_midi (0);
1359 _monitor_out->input()->ensure_io (mon_chn, false, this);
1360 _monitor_out->output()->ensure_io (mon_chn, false, this);
1362 for (uint32_t n = 0; n < limit; ++n) {
1363 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1364 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1367 string connect_to = o->name();
1368 if (_monitor_out->input()->connect (p, connect_to, this)) {
1369 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1376 /* connect monitor section to physical outs
1379 if (Config->get_auto_connect_standard_busses()) {
1381 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1383 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1386 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1388 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1389 Config->get_monitor_bus_preferred_bundle())
1395 /* Monitor bus is audio only */
1397 vector<string> outputs[DataType::num_types];
1399 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1400 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1403 uint32_t mod = outputs[DataType::AUDIO].size();
1404 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1408 for (uint32_t n = 0; n < limit; ++n) {
1410 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1412 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1413 connect_to = outputs[DataType::AUDIO][n % mod];
1416 if (!connect_to.empty()) {
1417 if (_monitor_out->output()->connect (p, connect_to, this)) {
1418 error << string_compose (
1419 _("cannot connect control output %1 to %2"),
1430 /* Connect tracks to monitor section. Note that in an
1431 existing session, the internal sends will already exist, but we want the
1432 routes to notice that they connect to the control out specifically.
1436 boost::shared_ptr<RouteList> rls = routes.reader ();
1438 ProcessorChangeBlocker pcb (this, false);
1440 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1442 if ((*x)->is_monitor()) {
1444 } else if ((*x)->is_master()) {
1447 (*x)->enable_monitor_send ();
1453 Session::hookup_io ()
1455 /* stop graph reordering notifications from
1456 causing resorts, etc.
1459 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
1463 /* we delay creating the auditioner till now because
1464 it makes its own connections to ports.
1468 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
1470 throw failed_constructor ();
1472 a->use_new_diskstream ();
1476 catch (failed_constructor& err) {
1477 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
1481 /* load bundles, which we may have postponed earlier on */
1482 if (_bundle_xml_node) {
1483 load_bundles (*_bundle_xml_node);
1484 delete _bundle_xml_node;
1487 /* Tell all IO objects to connect themselves together */
1489 IO::enable_connecting ();
1491 /* Now tell all "floating" ports to connect to whatever
1492 they should be connected to.
1495 AudioEngine::instance()->reconnect_ports ();
1497 /* Anyone who cares about input state, wake up and do something */
1499 IOConnectionsComplete (); /* EMIT SIGNAL */
1501 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
1503 /* now handle the whole enchilada as if it was one
1504 graph reorder event.
1509 /* update the full solo state, which can't be
1510 correctly determined on a per-route basis, but
1511 needs the global overview that only the session
1515 update_route_solo_state ();
1519 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
1521 boost::shared_ptr<Track> track = wp.lock ();
1526 boost::shared_ptr<Playlist> playlist;
1528 if ((playlist = track->playlist()) != 0) {
1529 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
1530 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
1531 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
1536 Session::record_enabling_legal () const
1538 /* this used to be in here, but survey says.... we don't need to restrict it */
1539 // if (record_status() == Recording) {
1543 if (Config->get_all_safe()) {
1550 Session::set_track_monitor_input_status (bool yn)
1552 boost::shared_ptr<RouteList> rl = routes.reader ();
1553 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1554 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
1555 if (tr && tr->rec_enable_control()->get_value()) {
1556 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
1557 tr->request_input_monitoring (yn);
1563 Session::auto_punch_start_changed (Location* location)
1565 replace_event (SessionEvent::PunchIn, location->start());
1567 if (get_record_enabled() && config.get_punch_in()) {
1568 /* capture start has been changed, so save new pending state */
1569 save_state ("", true);
1574 Session::auto_punch_end_changed (Location* location)
1576 framepos_t when_to_stop = location->end();
1577 // when_to_stop += _worst_output_latency + _worst_input_latency;
1578 replace_event (SessionEvent::PunchOut, when_to_stop);
1582 Session::auto_punch_changed (Location* location)
1584 framepos_t when_to_stop = location->end();
1586 replace_event (SessionEvent::PunchIn, location->start());
1587 //when_to_stop += _worst_output_latency + _worst_input_latency;
1588 replace_event (SessionEvent::PunchOut, when_to_stop);
1591 /** @param loc A loop location.
1592 * @param pos Filled in with the start time of the required fade-out (in session frames).
1593 * @param length Filled in with the length of the required fade-out.
1596 Session::auto_loop_declick_range (Location* loc, framepos_t & pos, framepos_t & length)
1598 pos = max (loc->start(), loc->end() - 64);
1599 length = loc->end() - pos;
1603 Session::auto_loop_changed (Location* location)
1605 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
1608 auto_loop_declick_range (location, dcp, dcl);
1610 if (transport_rolling() && play_loop) {
1612 replace_event (SessionEvent::AutoLoopDeclick, dcp, dcl);
1614 // if (_transport_frame > location->end()) {
1616 if (_transport_frame < location->start() || _transport_frame > location->end()) {
1617 // relocate to beginning of loop
1618 clear_events (SessionEvent::LocateRoll);
1620 request_locate (location->start(), true);
1623 else if (Config->get_seamless_loop() && !loop_changing) {
1625 // schedule a locate-roll to refill the diskstreams at the
1626 // previous loop end
1627 loop_changing = true;
1629 if (location->end() > last_loopend) {
1630 clear_events (SessionEvent::LocateRoll);
1631 SessionEvent *ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, last_loopend, last_loopend, 0, true);
1637 clear_events (SessionEvent::AutoLoopDeclick);
1638 clear_events (SessionEvent::AutoLoop);
1641 /* possibly move playhead if not rolling; if we are rolling we'll move
1642 to the loop start on stop if that is appropriate.
1647 if (!transport_rolling() && select_playhead_priority_target (pos)) {
1648 if (pos == location->start()) {
1649 request_locate (pos);
1654 last_loopend = location->end();
1659 Session::set_auto_punch_location (Location* location)
1663 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
1664 punch_connections.drop_connections();
1665 existing->set_auto_punch (false, this);
1666 remove_event (existing->start(), SessionEvent::PunchIn);
1667 clear_events (SessionEvent::PunchOut);
1668 auto_punch_location_changed (0);
1673 if (location == 0) {
1677 if (location->end() <= location->start()) {
1678 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1682 punch_connections.drop_connections ();
1684 location->StartChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, location));
1685 location->EndChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, location));
1686 location->Changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, location));
1688 location->set_auto_punch (true, this);
1690 auto_punch_changed (location);
1692 auto_punch_location_changed (location);
1696 Session::set_session_extents (framepos_t start, framepos_t end)
1699 if ((existing = _locations->session_range_location()) == 0) {
1700 //if there is no existing session, we need to make a new session location (should never happen)
1701 existing = new Location (*this, 0, 0, _("session"), Location::IsSessionRange, 0);
1705 error << _("Session: you can't use that location for session start/end)") << endmsg;
1709 existing->set( start, end );
1715 Session::set_auto_loop_location (Location* location)
1719 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
1720 loop_connections.drop_connections ();
1721 existing->set_auto_loop (false, this);
1722 remove_event (existing->end(), SessionEvent::AutoLoop);
1725 auto_loop_declick_range (existing, dcp, dcl);
1726 remove_event (dcp, SessionEvent::AutoLoopDeclick);
1727 auto_loop_location_changed (0);
1732 if (location == 0) {
1736 if (location->end() <= location->start()) {
1737 error << _("You cannot use this location for auto-loop because it has zero or negative length") << endmsg;
1741 last_loopend = location->end();
1743 loop_connections.drop_connections ();
1745 location->StartChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1746 location->EndChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1747 location->Changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1748 location->FlagsChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1750 location->set_auto_loop (true, this);
1752 if (Config->get_loop_is_mode() && play_loop && Config->get_seamless_loop()) {
1753 // set all tracks to use internal looping
1754 boost::shared_ptr<RouteList> rl = routes.reader ();
1755 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1756 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1757 if (tr && !tr->hidden()) {
1758 tr->set_loop (location);
1763 /* take care of our stuff first */
1765 auto_loop_changed (location);
1767 /* now tell everyone else */
1769 auto_loop_location_changed (location);
1773 Session::update_marks (Location*)
1779 Session::update_skips (Location* loc, bool consolidate)
1781 if (_ignore_skips_updates) {
1785 Locations::LocationList skips;
1788 PBD::Unwinder<bool> uw (_ignore_skips_updates, true);
1789 consolidate_skips (loc);
1792 sync_locations_to_skips ();
1798 Session::consolidate_skips (Location* loc)
1800 Locations::LocationList all_locations = _locations->list ();
1802 for (Locations::LocationList::iterator l = all_locations.begin(); l != all_locations.end(); ) {
1804 if (!(*l)->is_skip ()) {
1809 /* don't test against self */
1816 switch (Evoral::coverage ((*l)->start(), (*l)->end(), loc->start(), loc->end())) {
1817 case Evoral::OverlapInternal:
1818 case Evoral::OverlapExternal:
1819 case Evoral::OverlapStart:
1820 case Evoral::OverlapEnd:
1821 /* adjust new location to cover existing one */
1822 loc->set_start (min (loc->start(), (*l)->start()));
1823 loc->set_end (max (loc->end(), (*l)->end()));
1824 /* we don't need this one any more */
1825 _locations->remove (*l);
1826 /* the location has been deleted, so remove reference to it in our local list */
1827 l = all_locations.erase (l);
1830 case Evoral::OverlapNone:
1838 Session::sync_locations_to_skips ()
1840 /* This happens asynchronously (in the audioengine thread). After the clear is done, we will call
1841 * Session::_sync_locations_to_skips() from the audioengine thread.
1843 clear_events (SessionEvent::Skip, boost::bind (&Session::_sync_locations_to_skips, this));
1847 Session::_sync_locations_to_skips ()
1849 /* called as a callback after existing Skip events have been cleared from a realtime audioengine thread */
1851 Locations::LocationList const & locs (_locations->list());
1853 for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
1855 Location* location = *i;
1857 if (location->is_skip() && location->is_skipping()) {
1858 SessionEvent* ev = new SessionEvent (SessionEvent::Skip, SessionEvent::Add, location->start(), location->end(), 1.0);
1866 Session::location_added (Location *location)
1868 if (location->is_auto_punch()) {
1869 set_auto_punch_location (location);
1872 if (location->is_auto_loop()) {
1873 set_auto_loop_location (location);
1876 if (location->is_session_range()) {
1877 /* no need for any signal handling or event setting with the session range,
1878 because we keep a direct reference to it and use its start/end directly.
1880 _session_range_location = location;
1883 if (location->is_mark()) {
1884 /* listen for per-location signals that require us to do any * global updates for marks */
1886 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1887 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1888 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1889 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1890 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1893 if (location->is_range_marker()) {
1894 /* listen for per-location signals that require us to do any * global updates for marks */
1896 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1897 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1898 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1899 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1900 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1903 if (location->is_skip()) {
1904 /* listen for per-location signals that require us to update skip-locate events */
1906 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1907 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1908 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1909 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, false));
1910 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1912 update_skips (location, true);
1919 Session::location_removed (Location *location)
1921 if (location->is_auto_loop()) {
1922 set_auto_loop_location (0);
1923 set_track_loop (false);
1926 if (location->is_auto_punch()) {
1927 set_auto_punch_location (0);
1930 if (location->is_session_range()) {
1931 /* this is never supposed to happen */
1932 error << _("programming error: session range removed!") << endl;
1935 if (location->is_skip()) {
1937 update_skips (location, false);
1944 Session::locations_changed ()
1946 _locations->apply (*this, &Session::_locations_changed);
1950 Session::_locations_changed (const Locations::LocationList& locations)
1952 /* There was some mass-change in the Locations object.
1954 We might be re-adding a location here but it doesn't actually matter
1955 for all the locations that the Session takes an interest in.
1959 PBD::Unwinder<bool> protect_ignore_skip_updates (_ignore_skips_updates, true);
1960 for (Locations::LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
1961 location_added (*i);
1965 update_skips (NULL, false);
1969 Session::enable_record ()
1971 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
1972 /* no recording at anything except normal speed */
1977 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
1979 if (rs == Recording) {
1983 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
1985 _last_record_location = _transport_frame;
1986 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
1988 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1989 set_track_monitor_input_status (true);
1992 RecordStateChanged ();
1999 Session::set_all_tracks_record_enabled (bool enable )
2001 boost::shared_ptr<RouteList> rl = routes.reader();
2002 set_controls (route_list_to_control_list (rl, &Stripable::rec_enable_control), enable, Controllable::NoGroup);
2006 Session::disable_record (bool rt_context, bool force)
2010 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
2012 if (!Config->get_latched_record_enable () || force) {
2013 g_atomic_int_set (&_record_status, Disabled);
2014 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
2016 if (rs == Recording) {
2017 g_atomic_int_set (&_record_status, Enabled);
2021 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2022 set_track_monitor_input_status (false);
2025 RecordStateChanged (); /* emit signal */
2028 remove_pending_capture_state ();
2030 unset_preroll_record_punch ();
2035 Session::step_back_from_record ()
2037 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
2039 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2040 set_track_monitor_input_status (false);
2043 RecordStateChanged (); /* emit signal */
2048 Session::maybe_enable_record (bool rt_context)
2050 if (_step_editors > 0) {
2054 g_atomic_int_set (&_record_status, Enabled);
2056 /* This function is currently called from somewhere other than an RT thread.
2057 * (except maybe lua scripts, which can use rt_context = true)
2058 * This save_state() call therefore doesn't impact anything. Doing it here
2059 * means that we save pending state of which sources the next record will use,
2060 * which gives us some chance of recovering from a crash during the record.
2064 save_state ("", true);
2067 if (_transport_speed) {
2068 if (!config.get_punch_in() && !preroll_record_punch_enabled ()) {
2072 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
2073 RecordStateChanged (); /* EMIT SIGNAL */
2080 Session::audible_frame (bool* latent_locate) const
2084 frameoffset_t offset = worst_playback_latency (); // - _engine.samples_since_cycle_start ();
2085 offset *= transport_speed ();
2086 if (latent_locate) {
2087 *latent_locate = false;
2090 if (synced_to_engine()) {
2091 /* Note: this is basically just sync-to-JACK */
2092 ret = _engine.transport_frame();
2094 ret = _transport_frame;
2097 if (transport_rolling()) {
2100 /* Check to see if we have passed the first guaranteed
2101 * audible frame past our last start position. if not,
2102 * return that last start point because in terms
2103 * of audible frames, we have not moved yet.
2105 * `Start position' in this context means the time we last
2106 * either started, located, or changed transport direction.
2109 if (_transport_speed > 0.0f) {
2111 if (!play_loop || !have_looped) {
2112 if (ret < _last_roll_or_reversal_location) {
2113 if (latent_locate) {
2114 *latent_locate = true;
2116 return _last_roll_or_reversal_location;
2119 /* the play-position wrapped at the loop-point
2120 * ardour is already playing the beginning of the loop,
2121 * but due to playback latency, the "audible frame"
2122 * is still at the end of the loop.
2124 Location *location = _locations->auto_loop_location();
2125 frameoffset_t lo = location->start() - ret;
2127 ret = location->end () - lo;
2128 if (latent_locate) {
2129 *latent_locate = true;
2134 } else if (_transport_speed < 0.0f) {
2136 /* XXX wot? no backward looping? */
2138 if (ret > _last_roll_or_reversal_location) {
2139 return _last_roll_or_reversal_location;
2144 return std::max ((framepos_t)0, ret);
2149 Session::preroll_samples (framepos_t pos) const
2151 const float pr = Config->get_preroll_seconds();
2152 if (pos >= 0 && pr < 0) {
2153 const Tempo& tempo = _tempo_map->tempo_at_frame (pos);
2154 const Meter& meter = _tempo_map->meter_at_frame (pos);
2155 return meter.frames_per_bar (tempo, frame_rate()) * -pr;
2160 return pr * frame_rate();
2164 Session::set_frame_rate (framecnt_t frames_per_second)
2166 /** \fn void Session::set_frame_size(framecnt_t)
2167 the AudioEngine object that calls this guarantees
2168 that it will not be called while we are also in
2169 ::process(). Its fine to do things that block
2173 if (_base_frame_rate == 0) {
2174 _base_frame_rate = frames_per_second;
2176 else if (_base_frame_rate != frames_per_second && frames_per_second != _nominal_frame_rate) {
2177 NotifyAboutSampleRateMismatch (_base_frame_rate, frames_per_second);
2179 _nominal_frame_rate = frames_per_second;
2184 reset_write_sources (false);
2186 // XXX we need some equivalent to this, somehow
2187 // SndFileSource::setup_standard_crossfades (frames_per_second);
2191 /* XXX need to reset/reinstantiate all LADSPA plugins */
2195 Session::set_block_size (pframes_t nframes)
2197 /* the AudioEngine guarantees
2198 that it will not be called while we are also in
2199 ::process(). It is therefore fine to do things that block
2204 current_block_size = nframes;
2208 boost::shared_ptr<RouteList> r = routes.reader ();
2210 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2211 (*i)->set_block_size (nframes);
2214 boost::shared_ptr<RouteList> rl = routes.reader ();
2215 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2216 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2218 tr->set_block_size (nframes);
2222 set_worst_io_latencies ();
2228 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
2230 boost::shared_ptr<Route> r2;
2232 if (r1->feeds (rbase) && rbase->feeds (r1)) {
2233 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
2237 /* make a copy of the existing list of routes that feed r1 */
2239 Route::FedBy existing (r1->fed_by());
2241 /* for each route that feeds r1, recurse, marking it as feeding
2245 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
2246 if (!(r2 = i->r.lock ())) {
2247 /* (*i) went away, ignore it */
2251 /* r2 is a route that feeds r1 which somehow feeds base. mark
2252 base as being fed by r2
2255 rbase->add_fed_by (r2, i->sends_only);
2259 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
2263 if (r1->feeds (r2) && r2->feeds (r1)) {
2267 /* now recurse, so that we can mark base as being fed by
2268 all routes that feed r2
2271 trace_terminal (r2, rbase);
2278 Session::resort_routes ()
2280 /* don't do anything here with signals emitted
2281 by Routes during initial setup or while we
2282 are being destroyed.
2285 if (_state_of_the_state & (InitialConnecting | Deletion)) {
2289 if (_route_deletion_in_progress) {
2294 RCUWriter<RouteList> writer (routes);
2295 boost::shared_ptr<RouteList> r = writer.get_copy ();
2296 resort_routes_using (r);
2297 /* writer goes out of scope and forces update */
2301 if (DEBUG_ENABLED(DEBUG::Graph)) {
2302 boost::shared_ptr<RouteList> rl = routes.reader ();
2303 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2304 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
2306 const Route::FedBy& fb ((*i)->fed_by());
2308 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
2309 boost::shared_ptr<Route> sf = f->r.lock();
2311 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
2320 /** This is called whenever we need to rebuild the graph of how we will process
2322 * @param r List of routes, in any order.
2326 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
2328 /* We are going to build a directed graph of our routes;
2329 this is where the edges of that graph are put.
2334 /* Go through all routes doing two things:
2336 * 1. Collect the edges of the route graph. Each of these edges
2337 * is a pair of routes, one of which directly feeds the other
2338 * either by a JACK connection or by an internal send.
2340 * 2. Begin the process of making routes aware of which other
2341 * routes directly or indirectly feed them. This information
2342 * is used by the solo code.
2345 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2347 /* Clear out the route's list of direct or indirect feeds */
2348 (*i)->clear_fed_by ();
2350 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
2352 bool via_sends_only;
2354 /* See if this *j feeds *i according to the current state of the JACK
2355 connections and internal sends.
2357 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
2358 /* add the edge to the graph (part #1) */
2359 edges.add (*j, *i, via_sends_only);
2360 /* tell the route (for part #2) */
2361 (*i)->add_fed_by (*j, via_sends_only);
2366 /* Attempt a topological sort of the route graph */
2367 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
2369 if (sorted_routes) {
2370 /* We got a satisfactory topological sort, so there is no feedback;
2373 Note: the process graph rechain does not require a
2374 topologically-sorted list, but hey ho.
2376 if (_process_graph) {
2377 _process_graph->rechain (sorted_routes, edges);
2380 _current_route_graph = edges;
2382 /* Complete the building of the routes' lists of what directly
2383 or indirectly feeds them.
2385 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2386 trace_terminal (*i, *i);
2389 *r = *sorted_routes;
2392 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
2393 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2394 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 presentation order %2\n", (*i)->name(), (*i)->presentation_info().order()));
2398 SuccessfulGraphSort (); /* EMIT SIGNAL */
2401 /* The topological sort failed, so we have a problem. Tell everyone
2402 and stick to the old graph; this will continue to be processed, so
2403 until the feedback is fixed, what is played back will not quite
2404 reflect what is actually connected. Note also that we do not
2405 do trace_terminal here, as it would fail due to an endless recursion,
2406 so the solo code will think that everything is still connected
2410 FeedbackDetected (); /* EMIT SIGNAL */
2415 /** Find a route name starting with \a base, maybe followed by the
2416 * lowest \a id. \a id will always be added if \a definitely_add_number
2417 * is true on entry; otherwise it will only be added if required
2418 * to make the name unique.
2420 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
2421 * The available route name with the lowest ID will be used, and \a id
2422 * will be set to the ID.
2424 * \return false if a route name could not be found, and \a track_name
2425 * and \a id do not reflect a free route name.
2428 Session::find_route_name (string const & base, uint32_t& id, string& name, bool definitely_add_number)
2430 /* the base may conflict with ports that do not belong to existing
2431 routes, but hidden objects like the click track. So check port names
2432 before anything else.
2435 for (map<string,bool>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
2436 if (base == reserved->first) {
2437 /* Check if this reserved name already exists, and if
2438 so, disallow it without a numeric suffix.
2440 if (!reserved->second || route_by_name (reserved->first)) {
2441 definitely_add_number = true;
2450 /* if we have "base 1" already, it doesn't make sense to add "base"
2451 * if "base 1" has been deleted, adding "base" is no worse than "base 1"
2453 if (!definitely_add_number && route_by_name (base) == 0 && (route_by_name (string_compose("%1 1", base)) == 0)) {
2454 /* just use the base */
2460 name = string_compose ("%1 %2", base, id);
2462 if (route_by_name (name) == 0) {
2468 } while (id < (UINT_MAX-1));
2473 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
2475 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
2477 in = ChanCount::ZERO;
2478 out = ChanCount::ZERO;
2480 boost::shared_ptr<RouteList> r = routes.reader ();
2482 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2483 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2484 if (tr && !tr->is_auditioner()) {
2485 in += tr->n_inputs();
2486 out += tr->n_outputs();
2492 Session::default_track_name_pattern (DataType t)
2495 case DataType::AUDIO:
2496 if (Profile->get_trx()) {
2503 case DataType::MIDI:
2510 /** Caller must not hold process lock
2511 * @param name_template string to use for the start of the name, or "" to use "MIDI".
2512 * @param instrument plugin info for the instrument to insert pre-fader, if any
2514 list<boost::shared_ptr<MidiTrack> >
2515 Session::new_midi_track (const ChanCount& input, const ChanCount& output, bool strict_io,
2516 boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord* pset,
2517 RouteGroup* route_group, uint32_t how_many,
2518 string name_template, PresentationInfo::order_t order,
2522 uint32_t track_id = 0;
2524 RouteList new_routes;
2525 list<boost::shared_ptr<MidiTrack> > ret;
2527 const string name_pattern = default_track_name_pattern (DataType::MIDI);
2528 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2531 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, use_number)) {
2532 error << "cannot find name for new midi track" << endmsg;
2536 boost::shared_ptr<MidiTrack> track;
2539 track.reset (new MidiTrack (*this, track_name, mode));
2541 if (track->init ()) {
2546 track->set_strict_io (true);
2549 track->use_new_diskstream();
2551 BOOST_MARK_TRACK (track);
2554 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2555 if (track->input()->ensure_io (input, false, this)) {
2556 error << "cannot configure " << input << " out configuration for new midi track" << endmsg;
2560 if (track->output()->ensure_io (output, false, this)) {
2561 error << "cannot configure " << output << " out configuration for new midi track" << endmsg;
2566 track->non_realtime_input_change();
2569 route_group->add (track);
2572 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
2574 new_routes.push_back (track);
2575 ret.push_back (track);
2578 catch (failed_constructor &err) {
2579 error << _("Session: could not create new midi track.") << endmsg;
2583 catch (AudioEngine::PortRegistrationFailure& pfe) {
2585 error << string_compose (_("No more JACK ports are available. You will need to stop %1 and restart JACK with more ports if you need this many tracks."), PROGRAM_NAME) << endmsg;
2593 if (!new_routes.empty()) {
2594 StateProtector sp (this);
2595 if (Profile->get_trx()) {
2596 add_routes (new_routes, false, false, false, order);
2598 add_routes (new_routes, true, true, false, order);
2602 for (RouteList::iterator r = new_routes.begin(); r != new_routes.end(); ++r) {
2603 PluginPtr plugin = instrument->load (*this);
2605 warning << "Failed to add Synth Plugin to newly created track." << endmsg;
2609 plugin->load_preset (*pset);
2611 boost::shared_ptr<PluginInsert> pi (new PluginInsert (*this, plugin));
2613 pi->set_strict_io (true);
2616 (*r)->add_processor (pi, PreFader);
2618 if (Profile->get_mixbus () && pi->configured () && pi->output_streams().n_audio() > 2) {
2619 (*r)->move_instrument_down (false);
2629 Session::new_midi_route (RouteGroup* route_group, uint32_t how_many, string name_template, bool strict_io,
2630 boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord* pset,
2631 PresentationInfo::Flag flag, PresentationInfo::order_t order)
2634 uint32_t bus_id = 0;
2638 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Midi Bus");
2641 if (!find_route_name (name_template.empty () ? _("Midi Bus") : name_template, ++bus_id, bus_name, use_number)) {
2642 error << "cannot find name for new midi bus" << endmsg;
2647 boost::shared_ptr<Route> bus (new Route (*this, bus_name, flag, DataType::AUDIO)); // XXX Editor::add_routes is not ready for ARDOUR::DataType::MIDI
2654 bus->set_strict_io (true);
2657 BOOST_MARK_ROUTE(bus);
2660 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2662 if (bus->input()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2663 error << _("cannot configure new midi bus input") << endmsg;
2668 if (bus->output()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2669 error << _("cannot configure new midi bus output") << endmsg;
2675 route_group->add (bus);
2678 bus->add_internal_return ();
2679 ret.push_back (bus);
2682 catch (failed_constructor &err) {
2683 error << _("Session: could not create new audio route.") << endmsg;
2687 catch (AudioEngine::PortRegistrationFailure& pfe) {
2688 error << pfe.what() << endmsg;
2698 StateProtector sp (this);
2699 add_routes (ret, false, false, false, order);
2702 for (RouteList::iterator r = ret.begin(); r != ret.end(); ++r) {
2703 PluginPtr plugin = instrument->load (*this);
2705 warning << "Failed to add Synth Plugin to newly created track." << endmsg;
2709 plugin->load_preset (*pset);
2711 boost::shared_ptr<PluginInsert> pi (new PluginInsert (*this, plugin));
2713 pi->set_strict_io (true);
2716 (*r)->add_processor (pi, PreFader);
2718 if (Profile->get_mixbus () && pi->configured () && pi->output_streams().n_audio() > 2) {
2719 (*r)->move_instrument_down (false);
2731 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
2733 boost::shared_ptr<Route> midi_track (wmt.lock());
2739 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
2741 if (change.after.n_audio() <= change.before.n_audio()) {
2745 /* new audio ports: make sure the audio goes somewhere useful,
2746 * unless the user has no-auto-connect selected.
2748 * The existing ChanCounts don't matter for this call as they are only
2749 * to do with matching input and output indices, and we are only changing
2752 auto_connect_route (midi_track, false, ChanCount(), change.before);
2756 #ifdef USE_TRACKS_CODE_FEATURES
2759 compare_routes_by_remote_id (const boost::shared_ptr<Route>& route1, const boost::shared_ptr<Route>& route2)
2761 return route1->remote_control_id() < route2->remote_control_id();
2765 Session::reconnect_existing_routes (bool withLock, bool reconnect_master, bool reconnect_inputs, bool reconnect_outputs)
2767 // it is not allowed to perform connection
2768 if (!IO::connecting_legal) {
2772 // if we are deleting routes we will call this once at the end
2773 if (_route_deletion_in_progress) {
2777 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2783 // We need to disconnect the route's inputs and outputs first
2784 // basing on autoconnect configuration
2785 bool reconnectIputs = !(Config->get_input_auto_connect() & ManualConnect) && reconnect_inputs;
2786 bool reconnectOutputs = !(Config->get_output_auto_connect() & ManualConnect) && reconnect_outputs;
2788 ChanCount existing_inputs;
2789 ChanCount existing_outputs;
2790 count_existing_track_channels (existing_inputs, existing_outputs);
2792 //ChanCount inputs = ChanCount::ZERO;
2793 //ChanCount outputs = ChanCount::ZERO;
2795 RouteList existing_routes = *routes.reader ();
2796 existing_routes.sort (compare_routes_by_remote_id);
2799 PBD::Unwinder<bool> protect_ignore_changes (_reconnecting_routes_in_progress, true);
2801 vector<string> physinputs;
2802 vector<string> physoutputs;
2804 EngineStateController::instance()->get_physical_audio_outputs(physoutputs);
2805 EngineStateController::instance()->get_physical_audio_inputs(physinputs);
2807 uint32_t input_n = 0;
2808 uint32_t output_n = 0;
2809 RouteList::iterator rIter = existing_routes.begin();
2810 const AutoConnectOption current_input_auto_connection (Config->get_input_auto_connect());
2811 const AutoConnectOption current_output_auto_connection (Config->get_output_auto_connect());
2812 for (; rIter != existing_routes.end(); ++rIter) {
2813 if (*rIter == _master_out || *rIter == _monitor_out ) {
2817 if (current_output_auto_connection == AutoConnectPhysical) {
2818 (*rIter)->amp()->deactivate();
2819 } else if (current_output_auto_connection == AutoConnectMaster) {
2820 (*rIter)->amp()->activate();
2823 if (reconnectIputs) {
2824 (*rIter)->input()->disconnect (this); //GZ: check this; could be heavy
2826 for (uint32_t route_input_n = 0; route_input_n < (*rIter)->n_inputs().get(DataType::AUDIO); ++route_input_n) {
2828 if (current_input_auto_connection & AutoConnectPhysical) {
2830 if ( input_n == physinputs.size() ) {
2834 string port = physinputs[input_n];
2836 if (port.empty() ) {
2837 error << "Physical Input number "<< input_n << " is unavailable and cannot be connected" << endmsg;
2840 //GZ: check this; could be heavy
2841 (*rIter)->input()->connect ((*rIter)->input()->ports().port(DataType::AUDIO, route_input_n), port, this);
2847 if (reconnectOutputs) {
2849 //normalize route ouptuts: reduce the amount outputs to be equal to the amount of inputs
2850 if (current_output_auto_connection & AutoConnectPhysical) {
2852 //GZ: check this; could be heavy
2853 (*rIter)->output()->disconnect (this);
2854 size_t route_inputs_count = (*rIter)->n_inputs().get(DataType::AUDIO);
2856 //GZ: check this; could be heavy
2857 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, route_inputs_count), false, this );
2859 } else if (current_output_auto_connection & AutoConnectMaster){
2861 if (!reconnect_master) {
2865 //GZ: check this; could be heavy
2866 (*rIter)->output()->disconnect (this);
2869 uint32_t master_inputs_count = _master_out->n_inputs().get(DataType::AUDIO);
2870 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, master_inputs_count), false, this );
2872 error << error << "Master bus is not available" << endmsg;
2877 for (uint32_t route_output_n = 0; route_output_n < (*rIter)->n_outputs().get(DataType::AUDIO); ++route_output_n) {
2878 if (current_output_auto_connection & AutoConnectPhysical) {
2880 if ( output_n == physoutputs.size() ) {
2884 string port = physoutputs[output_n];
2886 if (port.empty() ) {
2887 error << "Physical Output number "<< output_n << " is unavailable and cannot be connected" << endmsg;
2890 //GZ: check this; could be heavy
2891 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2894 } else if (current_output_auto_connection & AutoConnectMaster) {
2896 if ( route_output_n == _master_out->n_inputs().get(DataType::AUDIO) ) {
2900 // connect to master bus
2901 string port = _master_out->input()->ports().port(DataType::AUDIO, route_output_n)->name();
2903 if (port.empty() ) {
2904 error << "MasterBus Input number "<< route_output_n << " is unavailable and cannot be connected" << endmsg;
2908 //GZ: check this; could be heavy
2909 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2916 _master_out->output()->disconnect (this);
2917 auto_connect_master_bus ();
2922 session_routes_reconnected (); /* EMIT SIGNAL */
2926 Session::reconnect_midi_scene_ports(bool inputs)
2930 boost::shared_ptr<MidiPort> scene_in_ptr = scene_in();
2932 scene_in_ptr->disconnect_all ();
2934 std::vector<EngineStateController::MidiPortState> midi_port_states;
2935 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2937 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2939 for (; state_iter != midi_port_states.end(); ++state_iter) {
2940 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2941 scene_in_ptr->connect (state_iter->name);
2948 boost::shared_ptr<MidiPort> scene_out_ptr = scene_out();
2950 if (scene_out_ptr ) {
2951 scene_out_ptr->disconnect_all ();
2953 std::vector<EngineStateController::MidiPortState> midi_port_states;
2954 EngineStateController::instance()->get_physical_midi_output_states (midi_port_states);
2956 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2958 for (; state_iter != midi_port_states.end(); ++state_iter) {
2959 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2960 scene_out_ptr->connect (state_iter->name);
2968 Session::reconnect_mtc_ports ()
2970 boost::shared_ptr<MidiPort> mtc_in_ptr = _midi_ports->mtc_input_port();
2976 mtc_in_ptr->disconnect_all ();
2978 std::vector<EngineStateController::MidiPortState> midi_port_states;
2979 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2981 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2983 for (; state_iter != midi_port_states.end(); ++state_iter) {
2984 if (state_iter->available && state_iter->mtc_in) {
2985 mtc_in_ptr->connect (state_iter->name);
2989 if (!_midi_ports->mtc_input_port ()->connected () &&
2990 config.get_external_sync () &&
2991 (Config->get_sync_source () == MTC) ) {
2992 config.set_external_sync (false);
2995 if ( ARDOUR::Profile->get_trx () ) {
2996 // Tracks need this signal to update timecode_source_dropdown
2997 MtcOrLtcInputPortChanged (); //emit signal
3002 Session::reconnect_mmc_ports(bool inputs)
3004 if (inputs ) { // get all enabled midi input ports
3006 boost::shared_ptr<MidiPort> mmc_in_ptr = _midi_ports->mmc_in();
3008 mmc_in_ptr->disconnect_all ();
3009 std::vector<std::string> enabled_midi_inputs;
3010 EngineStateController::instance()->get_physical_midi_inputs (enabled_midi_inputs);
3012 std::vector<std::string>::iterator port_iter = enabled_midi_inputs.begin();
3014 for (; port_iter != enabled_midi_inputs.end(); ++port_iter) {
3015 mmc_in_ptr->connect (*port_iter);
3019 } else { // get all enabled midi output ports
3021 boost::shared_ptr<MidiPort> mmc_out_ptr = _midi_ports->mmc_out();
3023 mmc_out_ptr->disconnect_all ();
3024 std::vector<std::string> enabled_midi_outputs;
3025 EngineStateController::instance()->get_physical_midi_outputs (enabled_midi_outputs);
3027 std::vector<std::string>::iterator port_iter = enabled_midi_outputs.begin();
3029 for (; port_iter != enabled_midi_outputs.end(); ++port_iter) {
3030 mmc_out_ptr->connect (*port_iter);
3039 Session::ensure_route_presentation_info_gap (PresentationInfo::order_t first_new_order, uint32_t how_many)
3041 if (first_new_order == PresentationInfo::max_order) {
3042 /* adding at end, no worries */
3046 /* create a gap in the presentation info to accomodate @param how_many
3050 get_stripables (sl);
3052 for (StripableList::iterator si = sl.begin(); si != sl.end(); ++si) {
3053 boost::shared_ptr<Stripable> s (*si);
3055 if (s->is_monitor() || s->is_auditioner()) {
3059 if (s->presentation_info().order () >= first_new_order) {
3060 s->set_presentation_order (s->presentation_info().order () + how_many);
3065 /** Caller must not hold process lock
3066 * @param name_template string to use for the start of the name, or "" to use "Audio".
3068 list< boost::shared_ptr<AudioTrack> >
3069 Session::new_audio_track (int input_channels, int output_channels, RouteGroup* route_group,
3070 uint32_t how_many, string name_template, PresentationInfo::order_t order,
3074 uint32_t track_id = 0;
3076 RouteList new_routes;
3077 list<boost::shared_ptr<AudioTrack> > ret;
3079 const string name_pattern = default_track_name_pattern (DataType::AUDIO);
3080 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
3084 if (!find_route_name (name_template.empty() ? _(name_pattern.c_str()) : name_template, ++track_id, track_name, use_number)) {
3085 error << "cannot find name for new audio track" << endmsg;
3089 boost::shared_ptr<AudioTrack> track;
3092 track.reset (new AudioTrack (*this, track_name, mode));
3094 if (track->init ()) {
3098 if (Profile->get_mixbus ()) {
3099 track->set_strict_io (true);
3102 if (ARDOUR::Profile->get_trx ()) {
3103 // TRACKS considers it's not a USE CASE, it's
3104 // a piece of behavior of the session model:
3106 // Gain for a newly created route depends on
3107 // the current output_auto_connect mode:
3109 // 0 for Stereo Out mode
3111 if (Config->get_output_auto_connect() & AutoConnectMaster) {
3112 track->gain_control()->set_value (dB_to_coefficient (0), Controllable::NoGroup);
3116 track->use_new_diskstream();
3118 BOOST_MARK_TRACK (track);
3121 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3123 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3124 error << string_compose (
3125 _("cannot configure %1 in/%2 out configuration for new audio track"),
3126 input_channels, output_channels)
3131 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3132 error << string_compose (
3133 _("cannot configure %1 in/%2 out configuration for new audio track"),
3134 input_channels, output_channels)
3141 route_group->add (track);
3144 track->non_realtime_input_change();
3146 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
3148 new_routes.push_back (track);
3149 ret.push_back (track);
3152 catch (failed_constructor &err) {
3153 error << _("Session: could not create new audio track.") << endmsg;
3157 catch (AudioEngine::PortRegistrationFailure& pfe) {
3159 error << pfe.what() << endmsg;
3167 if (!new_routes.empty()) {
3168 StateProtector sp (this);
3169 if (Profile->get_trx()) {
3170 add_routes (new_routes, false, false, false, order);
3172 add_routes (new_routes, true, true, false, order);
3179 /** Caller must not hold process lock.
3180 * @param name_template string to use for the start of the name, or "" to use "Bus".
3183 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template,
3184 PresentationInfo::Flag flags, PresentationInfo::order_t order)
3187 uint32_t bus_id = 0;
3191 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
3194 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, use_number)) {
3195 error << "cannot find name for new audio bus" << endmsg;
3200 boost::shared_ptr<Route> bus (new Route (*this, bus_name, flags, DataType::AUDIO));
3206 if (Profile->get_mixbus ()) {
3207 bus->set_strict_io (true);
3210 BOOST_MARK_ROUTE(bus);
3213 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3215 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3216 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3217 input_channels, output_channels)
3223 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3224 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3225 input_channels, output_channels)
3232 route_group->add (bus);
3235 bus->add_internal_return ();
3236 ret.push_back (bus);
3239 catch (failed_constructor &err) {
3240 error << _("Session: could not create new audio route.") << endmsg;
3244 catch (AudioEngine::PortRegistrationFailure& pfe) {
3245 error << pfe.what() << endmsg;
3255 StateProtector sp (this);
3256 if (Profile->get_trx()) {
3257 add_routes (ret, false, false, false, order);
3259 add_routes (ret, false, true, true, order); // autoconnect // outputs only
3268 Session::new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, const std::string& template_path, const std::string& name_base,
3269 PlaylistDisposition pd)
3273 if (!tree.read (template_path.c_str())) {
3277 return new_route_from_template (how_many, insert_at, *tree.root(), name_base, pd);
3281 Session::new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, XMLNode& node, const std::string& name_base, PlaylistDisposition pd)
3284 uint32_t number = 0;
3285 const uint32_t being_added = how_many;
3286 /* This will prevent the use of any existing XML-provided PBD::ID
3289 Stateful::ForceIDRegeneration force_ids;
3290 IO::disable_connecting ();
3294 /* We're going to modify the node contents a bit so take a
3295 * copy. The node may be re-used when duplicating more than once.
3298 XMLNode node_copy (node);
3303 if (!name_base.empty()) {
3305 /* if we're adding more than one routes, force
3306 * all the names of the new routes to be
3307 * numbered, via the final parameter.
3310 if (!find_route_name (name_base.c_str(), ++number, name, (being_added > 1))) {
3311 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3317 string const route_name = node_copy.property(X_("name"))->value ();
3319 /* generate a new name by adding a number to the end of the template name */
3320 if (!find_route_name (route_name.c_str(), ++number, name, true)) {
3321 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3322 abort(); /*NOTREACHED*/
3326 /* set this name in the XML description that we are about to use */
3328 if (pd == CopyPlaylist) {
3329 XMLNode* ds_node = find_named_node (node_copy, "Diskstream");
3331 const std::string playlist_name = ds_node->property (X_("playlist"))->value ();
3332 boost::shared_ptr<Playlist> playlist = playlists->by_name (playlist_name);
3333 // Use same name as Route::set_name_in_state so playlist copy
3334 // is picked up when creating the Route in XMLRouteFactory below
3335 playlist = PlaylistFactory::create (playlist, string_compose ("%1.1", name));
3336 playlist->reset_shares ();
3338 } else if (pd == SharePlaylist) {
3339 XMLNode* ds_node = find_named_node (node_copy, "Diskstream");
3341 const std::string playlist_name = ds_node->property (X_("playlist"))->value ();
3342 boost::shared_ptr<Playlist> playlist = playlists->by_name (playlist_name);
3343 playlist->share_with ((node_copy.property (X_("id")))->value());
3347 bool rename_playlist = (pd == CopyPlaylist || pd == NewPlaylist);
3349 Route::set_name_in_state (node_copy, name, rename_playlist);
3351 /* trim bitslots from listen sends so that new ones are used */
3352 XMLNodeList children = node_copy.children ();
3353 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
3354 if ((*i)->name() == X_("Processor")) {
3355 /* ForceIDRegeneration does not catch the following */
3356 XMLProperty const * role = (*i)->property (X_("role"));
3357 XMLProperty const * type = (*i)->property (X_("type"));
3358 if (role && role->value() == X_("Aux")) {
3359 /* check if the target bus exists.
3360 * we should not save aux-sends in templates.
3362 XMLProperty const * target = (*i)->property (X_("target"));
3364 (*i)->set_property ("type", "dangling-aux-send");
3367 boost::shared_ptr<Route> r = route_by_id (target->value());
3368 if (!r || boost::dynamic_pointer_cast<Track>(r)) {
3369 (*i)->set_property ("type", "dangling-aux-send");
3373 if (role && role->value() == X_("Listen")) {
3374 (*i)->remove_property (X_("bitslot"));
3376 else if (role && (role->value() == X_("Send") || role->value() == X_("Aux"))) {
3377 Delivery::Role xrole;
3378 uint32_t bitslot = 0;
3379 xrole = Delivery::Role (string_2_enum (role->value(), xrole));
3380 std::string name = Send::name_and_id_new_send(*this, xrole, bitslot, false);
3381 (*i)->remove_property (X_("bitslot"));
3382 (*i)->remove_property (X_("name"));
3383 (*i)->set_property ("bitslot", bitslot);
3384 (*i)->set_property ("name", name);
3386 else if (type && type->value() == X_("intreturn")) {
3387 (*i)->remove_property (X_("bitslot"));
3388 (*i)->set_property ("ignore-bitslot", "1");
3390 else if (type && type->value() == X_("return")) {
3391 // Return::set_state() generates a new one
3392 (*i)->remove_property (X_("bitslot"));
3394 else if (type && type->value() == X_("port")) {
3395 // PortInsert::set_state() handles the bitslot
3396 (*i)->remove_property (X_("bitslot"));
3397 (*i)->set_property ("ignore-name", "1");
3402 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
3405 error << _("Session: cannot create track/bus from template description") << endmsg;
3409 if (boost::dynamic_pointer_cast<Track>(route)) {
3410 /* force input/output change signals so that the new diskstream
3411 picks up the configuration of the route. During session
3412 loading this normally happens in a different way.
3415 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3417 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
3418 change.after = route->input()->n_ports();
3419 route->input()->changed (change, this);
3420 change.after = route->output()->n_ports();
3421 route->output()->changed (change, this);
3424 ret.push_back (route);
3427 catch (failed_constructor &err) {
3428 error << _("Session: could not create new route from template") << endmsg;
3432 catch (AudioEngine::PortRegistrationFailure& pfe) {
3433 error << pfe.what() << endmsg;
3442 StateProtector sp (this);
3443 if (Profile->get_trx()) {
3444 add_routes (ret, false, false, false, insert_at);
3446 add_routes (ret, true, true, false, insert_at);
3448 IO::enable_connecting ();
3455 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save, PresentationInfo::order_t order)
3458 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
3459 add_routes_inner (new_routes, input_auto_connect, output_auto_connect, order);
3462 error << _("Adding new tracks/busses failed") << endmsg;
3467 update_latency (true);
3468 update_latency (false);
3473 save_state (_current_snapshot_name);
3476 update_route_record_state ();
3478 RouteAdded (new_routes); /* EMIT SIGNAL */
3482 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t order)
3484 ChanCount existing_inputs;
3485 ChanCount existing_outputs;
3489 count_existing_track_channels (existing_inputs, existing_outputs);
3492 RCUWriter<RouteList> writer (routes);
3493 boost::shared_ptr<RouteList> r = writer.get_copy ();
3494 r->insert (r->end(), new_routes.begin(), new_routes.end());
3495 n_routes = r->size();
3497 /* if there is no control out and we're not in the middle of loading,
3498 * resort the graph here. if there is a control out, we will resort
3499 * toward the end of this method. if we are in the middle of loading,
3500 * we will resort when done.
3503 if (!_monitor_out && IO::connecting_legal) {
3504 resort_routes_using (r);
3508 /* auditioner and monitor routes are not part of the order */
3510 assert (n_routes > 0);
3514 assert (n_routes > 0);
3518 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("ensure order gap starting at %1 for %2\n", order, new_routes.size()));
3519 ensure_route_presentation_info_gap (order, new_routes.size());
3522 PresentationInfo::ChangeSuspender cs;
3524 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x, ++added) {
3526 boost::weak_ptr<Route> wpr (*x);
3527 boost::shared_ptr<Route> r (*x);
3529 r->solo_control()->Changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2,wpr));
3530 r->solo_isolate_control()->Changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, wpr));
3531 r->mute_control()->Changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this));
3533 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
3534 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
3535 r->processor_latency_changed.connect_same_thread (*this, boost::bind (&Session::queue_latency_recompute, this));
3537 if (r->is_master()) {
3541 if (r->is_monitor()) {
3545 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
3547 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
3548 track_playlist_changed (boost::weak_ptr<Track> (tr));
3549 tr->rec_enable_control()->Changed.connect_same_thread (*this, boost::bind (&Session::update_route_record_state, this));
3551 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
3553 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
3554 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
3555 mt->presentation_info().PropertyChanged.connect_same_thread (*this, boost::bind (&Session::midi_track_presentation_info_changed, this, _1, boost::weak_ptr<MidiTrack>(mt)));
3559 if (!r->presentation_info().special()) {
3561 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("checking PI state for %1\n", r->name()));
3563 /* presentation info order may already have been set from XML */
3565 if (!r->presentation_info().order_set()) {
3566 /* this is only useful for headless sessions,
3567 * Editor::add_routes() and Mixer_UI::add_routes() will
3568 * override it following the RouteAdded signal.
3570 * Also routes should be sorted before VCAs (like the GUI does).
3571 * Session::ensure_route_presentation_info_gap() does not special case VCAs either.
3573 * ... but not to worry, the GUI's
3574 * gtk2_ardour/route_sorter.h and various ::sync_presentation_info_from_treeview()
3578 if (order == PresentationInfo::max_order) {
3579 /* just add to the end */
3580 r->set_presentation_order (n_routes + added);
3581 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order not set, set to NR %1 + %2 = %3\n", n_routes, added, n_routes + added));
3583 r->set_presentation_order (order + added);
3584 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order not set, set to %1 + %2 = %3\n", order, added, order + added));
3587 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order already set to %1\n", r->presentation_info().order()));
3591 #if !defined(__APPLE__) && !defined(__FreeBSD__)
3592 /* clang complains: 'operator<<' should be declared prior to the call site or in an associated namespace of one of its
3593 * arguments std::ostream& operator<<(std::ostream& o, ARDOUR::PresentationInfo const& rid)"
3595 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("added route %1, group order %2 type %3 (summary: %4)\n",
3597 r->presentation_info().order(),
3598 enum_2_string (r->presentation_info().flags()),
3599 r->presentation_info()));
3603 if (input_auto_connect || output_auto_connect) {
3604 auto_connect_route (r, input_auto_connect, ChanCount (), ChanCount (), existing_inputs, existing_outputs);
3605 existing_inputs += r->n_inputs();
3606 existing_outputs += r->n_outputs();
3613 if (_monitor_out && IO::connecting_legal) {
3614 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
3616 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3617 if ((*x)->is_monitor()) {
3619 } else if ((*x)->is_master()) {
3622 (*x)->enable_monitor_send ();
3627 reassign_track_numbers ();
3631 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
3633 boost::shared_ptr<RouteList> r = routes.reader ();
3634 boost::shared_ptr<Send> s;
3636 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3637 if ((s = (*i)->internal_send_for (dest)) != 0) {
3638 s->amp()->gain_control()->set_value (GAIN_COEFF_ZERO, Controllable::NoGroup);
3644 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
3646 boost::shared_ptr<RouteList> r = routes.reader ();
3647 boost::shared_ptr<Send> s;
3649 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3650 if ((s = (*i)->internal_send_for (dest)) != 0) {
3651 s->amp()->gain_control()->set_value (GAIN_COEFF_UNITY, Controllable::NoGroup);
3657 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
3659 boost::shared_ptr<RouteList> r = routes.reader ();
3660 boost::shared_ptr<Send> s;
3662 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3663 if ((s = (*i)->internal_send_for (dest)) != 0) {
3664 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value(), Controllable::NoGroup);
3669 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
3671 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
3673 boost::shared_ptr<RouteList> r = routes.reader ();
3674 boost::shared_ptr<RouteList> t (new RouteList);
3676 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3677 /* no MIDI sends because there are no MIDI busses yet */
3678 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
3683 add_internal_sends (dest, p, t);
3687 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
3689 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
3690 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
3695 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
3697 add_internal_send (dest, sender->before_processor_for_index (index), sender);
3701 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
3703 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
3707 if (!dest->internal_return()) {
3708 dest->add_internal_return ();
3711 sender->add_aux_send (dest, before);
3717 Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
3719 bool mute_changed = false;
3721 { // RCU Writer scope
3722 PBD::Unwinder<bool> uw_flag (_route_deletion_in_progress, true);
3723 RCUWriter<RouteList> writer (routes);
3724 boost::shared_ptr<RouteList> rs = writer.get_copy ();
3726 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3728 if (*iter == _master_out) {
3732 /* speed up session deletion, don't do the solo dance */
3733 if (0 == (_state_of_the_state & Deletion)) {
3734 (*iter)->solo_control()->set_value (0.0, Controllable::NoGroup);
3737 if ((*iter)->mute_control()->muted ()) {
3738 mute_changed = true;
3743 /* deleting the master out seems like a dumb
3744 idea, but its more of a UI policy issue
3748 if (*iter == _master_out) {
3749 _master_out = boost::shared_ptr<Route> ();
3752 if (*iter == _monitor_out) {
3753 _monitor_out.reset ();
3756 // We need to disconnect the route's inputs and outputs
3758 (*iter)->input()->disconnect (0);
3759 (*iter)->output()->disconnect (0);
3761 /* if the route had internal sends sending to it, remove them */
3762 if ((*iter)->internal_return()) {
3764 boost::shared_ptr<RouteList> r = routes.reader ();
3765 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3766 boost::shared_ptr<Send> s = (*i)->internal_send_for (*iter);
3768 (*i)->remove_processor (s);
3773 /* if the monitoring section had a pointer to this route, remove it */
3774 if (_monitor_out && !(*iter)->is_master() && !(*iter)->is_monitor()) {
3775 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3776 ProcessorChangeBlocker pcb (this, false);
3777 (*iter)->remove_aux_or_listen (_monitor_out);
3780 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*iter);
3781 if (mt && mt->step_editing()) {
3782 if (_step_editors > 0) {
3788 /* writer goes out of scope, forces route list update */
3790 } // end of RCU Writer scope
3793 MuteChanged (); /* EMIT SIGNAL */
3796 update_route_solo_state ();
3797 update_latency_compensation ();
3800 /* Re-sort routes to remove the graph's current references to the one that is
3801 * going away, then flush old references out of the graph.
3802 * Wave Tracks: reconnect routes
3805 #ifdef USE_TRACKS_CODE_FEATURES
3806 reconnect_existing_routes(true, false);
3808 routes.flush (); // maybe unsafe, see below.
3812 if (_process_graph && !(_state_of_the_state & Deletion)) {
3813 _process_graph->clear_other_chain ();
3816 /* get rid of it from the dead wood collection in the route list manager */
3817 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
3821 /* try to cause everyone to drop their references
3822 * and unregister ports from the backend
3825 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3826 cerr << "Drop references to " << (*iter)->name() << endl;
3827 (*iter)->drop_references ();
3830 if (_state_of_the_state & Deletion) {
3835 so.add (Properties::selected);
3836 so.add (Properties::order);
3837 PresentationInfo::Change (PropertyChange (so));
3839 /* save the new state of the world */
3841 if (save_state (_current_snapshot_name)) {
3842 save_history (_current_snapshot_name);
3845 update_route_record_state ();
3849 Session::remove_route (boost::shared_ptr<Route> route)
3851 boost::shared_ptr<RouteList> rl (new RouteList);
3852 rl->push_back (route);
3857 Session::route_mute_changed ()
3859 MuteChanged (); /* EMIT SIGNAL */
3864 Session::route_listen_changed (Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3866 boost::shared_ptr<Route> route (wpr.lock());
3872 assert (Config->get_solo_control_is_listen_control());
3874 if (route->solo_control()->soloed_by_self_or_masters()) {
3876 if (Config->get_exclusive_solo()) {
3878 RouteGroup* rg = route->route_group ();
3879 const bool group_already_accounted_for = (group_override == Controllable::ForGroup);
3881 boost::shared_ptr<RouteList> r = routes.reader ();
3883 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3884 if ((*i) == route) {
3885 /* already changed */
3889 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
3890 /* route does not get solo propagated to it */
3894 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3895 /* this route is a part of the same solo group as the route
3896 * that was changed. Changing that route did change or will
3897 * change all group members appropriately, so we can ignore it
3902 (*i)->solo_control()->set_value (0.0, Controllable::NoGroup);
3908 } else if (_listen_cnt > 0) {
3915 Session::route_solo_isolated_changed (boost::weak_ptr<Route> wpr)
3917 boost::shared_ptr<Route> route (wpr.lock());
3923 bool send_changed = false;
3925 if (route->solo_isolate_control()->solo_isolated()) {
3926 if (_solo_isolated_cnt == 0) {
3927 send_changed = true;
3929 _solo_isolated_cnt++;
3930 } else if (_solo_isolated_cnt > 0) {
3931 _solo_isolated_cnt--;
3932 if (_solo_isolated_cnt == 0) {
3933 send_changed = true;
3938 IsolatedChanged (); /* EMIT SIGNAL */
3943 Session::route_solo_changed (bool self_solo_changed, Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3945 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1, update\n", self_solo_changed));
3947 boost::shared_ptr<Route> route (wpr.lock());
3953 if (Config->get_solo_control_is_listen_control()) {
3954 route_listen_changed (group_override, wpr);
3958 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1: self %2 masters %3 transition %4\n", route->name(), route->self_soloed(), route->solo_control()->get_masters_value(), route->solo_control()->transitioned_into_solo()));
3960 if (route->solo_control()->transitioned_into_solo() == 0) {
3961 /* route solo changed by upstream/downstream or clear all solo state; not interesting
3964 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 not self-soloed nor soloed by master (%2), ignoring\n", route->name(), route->solo_control()->get_masters_value()));
3968 boost::shared_ptr<RouteList> r = routes.reader ();
3969 int32_t delta = route->solo_control()->transitioned_into_solo ();
3971 /* the route may be a member of a group that has shared-solo
3972 * semantics. If so, then all members of that group should follow the
3973 * solo of the changed route. But ... this is optional, controlled by a
3974 * Controllable::GroupControlDisposition.
3976 * The first argument to the signal that this method is connected to is the
3977 * GroupControlDisposition value that was used to change solo.
3979 * If the solo change was done with group semantics (either InverseGroup
3980 * (force the entire group to change even if the group shared solo is
3981 * disabled) or UseGroup (use the group, which may or may not have the
3982 * shared solo property enabled)) then as we propagate the change to
3983 * the entire session we should IGNORE THE GROUP that the changed route
3987 RouteGroup* rg = route->route_group ();
3988 const bool group_already_accounted_for = (group_override == Controllable::ForGroup);
3990 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate to session, group accounted for ? %1\n", group_already_accounted_for));
3992 if (delta == 1 && Config->get_exclusive_solo()) {
3994 /* new solo: disable all other solos, but not the group if its solo-enabled */
3996 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3998 if ((*i) == route) {
3999 /* already changed */
4003 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
4004 /* route does not get solo propagated to it */
4008 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
4009 /* this route is a part of the same solo group as the route
4010 * that was changed. Changing that route did change or will
4011 * change all group members appropriately, so we can ignore it
4017 (*i)->solo_control()->set_value (0.0, group_override);
4021 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
4023 RouteList uninvolved;
4025 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
4027 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4028 bool via_sends_only;
4029 bool in_signal_flow;
4031 if ((*i) == route) {
4032 /* already changed */
4036 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
4037 /* route does not get solo propagated to it */
4038 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 excluded from solo because iso = %2 can_solo = %3\n", (*i)->name(), (*i)->solo_isolate_control()->solo_isolated(),
4043 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
4044 /* this route is a part of the same solo group as the route
4045 * that was changed. Changing that route did change or will
4046 * change all group members appropriately, so we can ignore it
4052 in_signal_flow = false;
4054 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
4056 if ((*i)->feeds (route, &via_sends_only)) {
4057 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
4058 if (!via_sends_only) {
4059 if (!route->soloed_by_others_upstream()) {
4060 (*i)->solo_control()->mod_solo_by_others_downstream (delta);
4062 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others upstream\n");
4065 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
4067 in_signal_flow = true;
4069 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
4072 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
4074 if (route->feeds (*i, &via_sends_only)) {
4075 /* propagate solo upstream only if routing other than
4076 sends is involved, but do consider the other route
4077 (*i) to be part of the signal flow even if only
4080 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
4084 route->soloed_by_others_downstream(),
4085 route->soloed_by_others_upstream()));
4086 if (!via_sends_only) {
4087 //NB. Triggers Invert Push, which handles soloed by downstream
4088 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
4089 (*i)->solo_control()->mod_solo_by_others_upstream (delta);
4091 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
4093 in_signal_flow = true;
4095 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
4098 if (!in_signal_flow) {
4099 uninvolved.push_back (*i);
4103 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
4105 /* now notify that the mute state of the routes not involved in the signal
4106 pathway of the just-solo-changed route may have altered.
4109 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
4110 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
4111 (*i)->act_on_mute ();
4112 /* Session will emit SoloChanged() after all solo changes are
4113 * complete, which should be used by UIs to update mute status
4119 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
4121 /* now figure out if anything that matters is soloed (or is "listening")*/
4123 bool something_soloed = false;
4124 bool something_listening = false;
4125 uint32_t listeners = 0;
4126 uint32_t isolated = 0;
4129 r = routes.reader();
4132 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4133 if ((*i)->can_solo()) {
4134 if (Config->get_solo_control_is_listen_control()) {
4135 if ((*i)->solo_control()->soloed_by_self_or_masters()) {
4137 something_listening = true;
4140 (*i)->set_listen (false);
4141 if ((*i)->can_solo() && (*i)->solo_control()->soloed_by_self_or_masters()) {
4142 something_soloed = true;
4147 if ((*i)->solo_isolate_control()->solo_isolated()) {
4152 if (something_soloed != _non_soloed_outs_muted) {
4153 _non_soloed_outs_muted = something_soloed;
4154 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
4157 if (something_listening != _listening) {
4158 _listening = something_listening;
4159 SoloActive (_listening);
4162 _listen_cnt = listeners;
4164 if (isolated != _solo_isolated_cnt) {
4165 _solo_isolated_cnt = isolated;
4166 IsolatedChanged (); /* EMIT SIGNAL */
4169 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
4170 something_soloed, listeners, isolated));
4173 SoloChanged (); /* EMIT SIGNAL */
4178 Session::get_stripables (StripableList& sl) const
4180 boost::shared_ptr<RouteList> r = routes.reader ();
4181 sl.insert (sl.end(), r->begin(), r->end());
4183 VCAList v = _vca_manager->vcas ();
4184 sl.insert (sl.end(), v.begin(), v.end());
4187 boost::shared_ptr<RouteList>
4188 Session::get_routes_with_internal_returns() const
4190 boost::shared_ptr<RouteList> r = routes.reader ();
4191 boost::shared_ptr<RouteList> rl (new RouteList);
4193 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4194 if ((*i)->internal_return ()) {
4202 Session::io_name_is_legal (const std::string& name) const
4204 boost::shared_ptr<RouteList> r = routes.reader ();
4206 for (map<string,bool>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
4207 if (name == reserved->first) {
4208 if (!route_by_name (reserved->first)) {
4209 /* first instance of a reserved name is allowed */
4212 /* all other instances of a reserved name are not allowed */
4217 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4218 if ((*i)->name() == name) {
4222 if ((*i)->has_io_processor_named (name)) {
4231 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
4234 vector<string> connections;
4236 /* if we are passed only a single route and we're not told to turn
4237 * others off, then just do the simple thing.
4240 if (flip_others == false && rl->size() == 1) {
4241 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
4243 mt->set_input_active (onoff);
4248 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
4250 PortSet& ps ((*rt)->input()->ports());
4252 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
4253 p->get_connections (connections);
4256 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
4257 routes_using_input_from (*s, rl2);
4260 /* scan all relevant routes to see if others are on or off */
4262 bool others_are_already_on = false;
4264 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4266 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4272 if ((*r) != (*rt)) {
4273 if (mt->input_active()) {
4274 others_are_already_on = true;
4277 /* this one needs changing */
4278 mt->set_input_active (onoff);
4284 /* globally reverse other routes */
4286 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4287 if ((*r) != (*rt)) {
4288 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4290 mt->set_input_active (!others_are_already_on);
4299 Session::routes_using_input_from (const string& str, RouteList& rl)
4301 boost::shared_ptr<RouteList> r = routes.reader();
4303 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4304 if ((*i)->input()->connected_to (str)) {
4310 boost::shared_ptr<Route>
4311 Session::route_by_name (string name) const
4313 boost::shared_ptr<RouteList> r = routes.reader ();
4315 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4316 if ((*i)->name() == name) {
4321 return boost::shared_ptr<Route> ((Route*) 0);
4324 boost::shared_ptr<Route>
4325 Session::route_by_id (PBD::ID id) const
4327 boost::shared_ptr<RouteList> r = routes.reader ();
4329 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4330 if ((*i)->id() == id) {
4335 return boost::shared_ptr<Route> ((Route*) 0);
4338 boost::shared_ptr<Processor>
4339 Session::processor_by_id (PBD::ID id) const
4341 boost::shared_ptr<RouteList> r = routes.reader ();
4343 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4344 boost::shared_ptr<Processor> p = (*i)->Route::processor_by_id (id);
4350 return boost::shared_ptr<Processor> ();
4353 boost::shared_ptr<Track>
4354 Session::track_by_diskstream_id (PBD::ID id) const
4356 boost::shared_ptr<RouteList> r = routes.reader ();
4358 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4359 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4360 if (t && t->using_diskstream_id (id)) {
4365 return boost::shared_ptr<Track> ();
4368 boost::shared_ptr<Route>
4369 Session::get_remote_nth_route (PresentationInfo::order_t n) const
4371 return boost::dynamic_pointer_cast<Route> (get_remote_nth_stripable (n, PresentationInfo::Route));
4374 boost::shared_ptr<Stripable>
4375 Session::get_remote_nth_stripable (PresentationInfo::order_t n, PresentationInfo::Flag flags) const
4378 PresentationInfo::order_t match_cnt = 0;
4380 get_stripables (sl);
4381 sl.sort (Stripable::PresentationOrderSorter());
4383 for (StripableList::const_iterator s = sl.begin(); s != sl.end(); ++s) {
4385 if ((*s)->presentation_info().hidden()) {
4386 /* if the caller didn't explicitly ask for hidden
4387 stripables, ignore hidden ones. This matches
4388 the semantics of the pre-PresentationOrder
4389 "get by RID" logic of Ardour 4.x and earlier.
4391 XXX at some point we should likely reverse
4392 the logic of the flags, because asking for "the
4393 hidden stripables" is not going to be common,
4394 whereas asking for visible ones is normal.
4397 if (! (flags & PresentationInfo::Hidden)) {
4402 if ((*s)->presentation_info().flag_match (flags)) {
4403 if (match_cnt++ == n) {
4409 /* there is no nth stripable that matches the given flags */
4410 return boost::shared_ptr<Stripable>();
4413 struct PresentationOrderSorter {
4414 bool operator() (boost::shared_ptr<Stripable> a, boost::shared_ptr<Stripable> b) {
4415 if (a->presentation_info().special() && !b->presentation_info().special()) {
4416 /* a is not ordered, b is; b comes before a */
4418 } else if (!b->presentation_info().order_set() && a->presentation_info().order_set()) {
4419 /* b is not ordered, a is; a comes before b */
4422 return a->presentation_info().order() < b->presentation_info().order();
4427 boost::shared_ptr<Route>
4428 Session::route_by_selected_count (uint32_t id) const
4430 RouteList r (*(routes.reader ()));
4431 PresentationOrderSorter sorter;
4434 RouteList::iterator i;
4436 for (i = r.begin(); i != r.end(); ++i) {
4437 if ((*i)->presentation_info().selected()) {
4445 return boost::shared_ptr<Route> ();
4449 Session::reassign_track_numbers ()
4453 RouteList r (*(routes.reader ()));
4454 PresentationOrderSorter sorter;
4457 StateProtector sp (this);
4459 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4460 if (boost::dynamic_pointer_cast<Track> (*i)) {
4461 (*i)->set_track_number(++tn);
4463 else if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner()) {
4464 (*i)->set_track_number(--bn);
4467 const uint32_t decimals = ceilf (log10f (tn + 1));
4468 const bool decimals_changed = _track_number_decimals != decimals;
4469 _track_number_decimals = decimals;
4471 if (decimals_changed && config.get_track_name_number ()) {
4472 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4473 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4475 t->resync_track_name();
4478 // trigger GUI re-layout
4479 config.ParameterChanged("track-name-number");
4483 if (DEBUG_ENABLED(DEBUG::OrderKeys)) {
4484 boost::shared_ptr<RouteList> rl = routes.reader ();
4485 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4486 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 numbered %2\n", (*i)->name(), (*i)->track_number()));
4494 Session::playlist_region_added (boost::weak_ptr<Region> w)
4496 boost::shared_ptr<Region> r = w.lock ();
4501 /* These are the operations that are currently in progress... */
4502 list<GQuark> curr = _current_trans_quarks;
4505 /* ...and these are the operations during which we want to update
4506 the session range location markers.
4509 ops.push_back (Operations::capture);
4510 ops.push_back (Operations::paste);
4511 ops.push_back (Operations::duplicate_region);
4512 ops.push_back (Operations::insert_file);
4513 ops.push_back (Operations::insert_region);
4514 ops.push_back (Operations::drag_region_brush);
4515 ops.push_back (Operations::region_drag);
4516 ops.push_back (Operations::selection_grab);
4517 ops.push_back (Operations::region_fill);
4518 ops.push_back (Operations::fill_selection);
4519 ops.push_back (Operations::create_region);
4520 ops.push_back (Operations::region_copy);
4521 ops.push_back (Operations::fixed_time_region_copy);
4524 /* See if any of the current operations match the ones that we want */
4526 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
4528 /* If so, update the session range markers */
4530 maybe_update_session_range (r->position (), r->last_frame ());
4534 /** Update the session range markers if a is before the current start or
4535 * b is after the current end.
4538 Session::maybe_update_session_range (framepos_t a, framepos_t b)
4540 if (_state_of_the_state & Loading) {
4544 framepos_t session_end_marker_shift_samples = session_end_shift * _nominal_frame_rate;
4546 if (_session_range_location == 0) {
4548 set_session_range_location (a, b + session_end_marker_shift_samples);
4552 if (a < _session_range_location->start()) {
4553 _session_range_location->set_start (a);
4556 if (_session_range_end_is_free && (b > _session_range_location->end())) {
4557 _session_range_location->set_end (b);
4563 Session::set_end_is_free (bool yn)
4565 _session_range_end_is_free = yn;
4569 Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
4571 for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4572 maybe_update_session_range (i->to, i->to + i->length);
4577 Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
4579 for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4580 maybe_update_session_range (i->from, i->to);
4584 /* Region management */
4586 boost::shared_ptr<Region>
4587 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
4589 const RegionFactory::RegionMap& regions (RegionFactory::regions());
4590 RegionFactory::RegionMap::const_iterator i;
4591 boost::shared_ptr<Region> region;
4593 Glib::Threads::Mutex::Lock lm (region_lock);
4595 for (i = regions.begin(); i != regions.end(); ++i) {
4599 if (region->whole_file()) {
4601 if (child->source_equivalent (region)) {
4607 return boost::shared_ptr<Region> ();
4611 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
4613 set<boost::shared_ptr<Region> > relevant_regions;
4615 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
4616 RegionFactory::get_regions_using_source (*s, relevant_regions);
4619 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
4620 set<boost::shared_ptr<Region> >::iterator tmp;
4625 playlists->destroy_region (*r);
4626 RegionFactory::map_remove (*r);
4628 (*r)->drop_sources ();
4629 (*r)->drop_references ();
4631 relevant_regions.erase (r);
4636 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
4639 Glib::Threads::Mutex::Lock ls (source_lock);
4640 /* remove from the main source list */
4641 sources.erase ((*s)->id());
4644 (*s)->mark_for_remove ();
4645 (*s)->drop_references ();
4654 Session::remove_last_capture ()
4656 list<boost::shared_ptr<Source> > srcs;
4658 boost::shared_ptr<RouteList> rl = routes.reader ();
4659 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4660 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4665 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
4668 srcs.insert (srcs.end(), l.begin(), l.end());
4673 destroy_sources (srcs);
4675 save_state (_current_snapshot_name);
4680 /* Source Management */
4683 Session::add_source (boost::shared_ptr<Source> source)
4685 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
4686 pair<SourceMap::iterator,bool> result;
4688 entry.first = source->id();
4689 entry.second = source;
4692 Glib::Threads::Mutex::Lock lm (source_lock);
4693 result = sources.insert (entry);
4696 if (result.second) {
4698 /* yay, new source */
4700 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
4703 if (!fs->within_session()) {
4704 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
4710 boost::shared_ptr<AudioFileSource> afs;
4712 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
4713 if (Config->get_auto_analyse_audio()) {
4714 Analyser::queue_source_for_analysis (source, false);
4718 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
4723 Session::remove_source (boost::weak_ptr<Source> src)
4725 if (_state_of_the_state & Deletion) {
4729 SourceMap::iterator i;
4730 boost::shared_ptr<Source> source = src.lock();
4737 Glib::Threads::Mutex::Lock lm (source_lock);
4739 if ((i = sources.find (source->id())) != sources.end()) {
4744 if (!(_state_of_the_state & StateOfTheState (InCleanup|Loading))) {
4746 /* save state so we don't end up with a session file
4747 referring to non-existent sources.
4750 save_state (_current_snapshot_name);
4754 boost::shared_ptr<Source>
4755 Session::source_by_id (const PBD::ID& id)
4757 Glib::Threads::Mutex::Lock lm (source_lock);
4758 SourceMap::iterator i;
4759 boost::shared_ptr<Source> source;
4761 if ((i = sources.find (id)) != sources.end()) {
4768 boost::shared_ptr<AudioFileSource>
4769 Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
4771 /* Restricted to audio files because only audio sources have channel
4775 Glib::Threads::Mutex::Lock lm (source_lock);
4777 for (SourceMap::const_iterator i = sources.begin(); i != sources.end(); ++i) {
4778 boost::shared_ptr<AudioFileSource> afs
4779 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
4781 if (afs && afs->path() == path && chn == afs->channel()) {
4786 return boost::shared_ptr<AudioFileSource>();
4789 boost::shared_ptr<MidiSource>
4790 Session::midi_source_by_path (const std::string& path) const
4792 /* Restricted to MIDI files because audio sources require a channel
4793 for unique identification, in addition to a path.
4796 Glib::Threads::Mutex::Lock lm (source_lock);
4798 for (SourceMap::const_iterator s = sources.begin(); s != sources.end(); ++s) {
4799 boost::shared_ptr<MidiSource> ms
4800 = boost::dynamic_pointer_cast<MidiSource>(s->second);
4801 boost::shared_ptr<FileSource> fs
4802 = boost::dynamic_pointer_cast<FileSource>(s->second);
4804 if (ms && fs && fs->path() == path) {
4809 return boost::shared_ptr<MidiSource>();
4813 Session::count_sources_by_origin (const string& path)
4816 Glib::Threads::Mutex::Lock lm (source_lock);
4818 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
4819 boost::shared_ptr<FileSource> fs
4820 = boost::dynamic_pointer_cast<FileSource>(i->second);
4822 if (fs && fs->origin() == path) {
4831 peak_file_helper (const string& peak_path, const string& file_path, const string& file_base, bool hash) {
4833 std::string checksum = Glib::Checksum::compute_checksum(Glib::Checksum::CHECKSUM_SHA1, file_path + G_DIR_SEPARATOR + file_base);
4834 return Glib::build_filename (peak_path, checksum + peakfile_suffix);
4836 return Glib::build_filename (peak_path, file_base + peakfile_suffix);
4841 Session::construct_peak_filepath (const string& filepath, const bool in_session, const bool old_peak_name) const
4843 string interchange_dir_string = string (interchange_dir_name) + G_DIR_SEPARATOR;
4845 if (Glib::path_is_absolute (filepath)) {
4847 /* rip the session dir from the audiofile source */
4849 string session_path;
4850 bool in_another_session = true;
4852 if (filepath.find (interchange_dir_string) != string::npos) {
4854 session_path = Glib::path_get_dirname (filepath); /* now ends in audiofiles */
4855 session_path = Glib::path_get_dirname (session_path); /* now ends in session name */
4856 session_path = Glib::path_get_dirname (session_path); /* now ends in interchange */
4857 session_path = Glib::path_get_dirname (session_path); /* now has session path */
4859 /* see if it is within our session */
4861 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4862 if (i->path == session_path) {
4863 in_another_session = false;
4868 in_another_session = false;
4872 if (in_another_session) {
4873 SessionDirectory sd (session_path);
4874 return peak_file_helper (sd.peak_path(), "", Glib::path_get_basename (filepath), !old_peak_name);
4878 /* 1) if file belongs to this session
4879 * it may be a relative path (interchange/...)
4880 * or just basename (session_state, remove source)
4881 * -> just use the basename
4883 std::string filename = Glib::path_get_basename (filepath);
4886 /* 2) if the file is outside our session dir:
4887 * (imported but not copied) add the path for check-summming */
4889 path = Glib::path_get_dirname (filepath);
4892 return peak_file_helper (_session_dir->peak_path(), path, Glib::path_get_basename (filepath), !old_peak_name);
4896 Session::new_audio_source_path_for_embedded (const std::string& path)
4900 * we know that the filename is already unique because it exists
4901 * out in the filesystem.
4903 * However, when we bring it into the session, we could get a
4906 * Eg. two embedded files:
4911 * When merged into session, these collide.
4913 * There will not be a conflict with in-memory sources
4914 * because when the source was created we already picked
4915 * a unique name for it.
4917 * This collision is not likely to be common, but we have to guard
4918 * against it. So, if there is a collision, take the md5 hash of the
4919 * the path, and use that as the filename instead.
4922 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4923 string base = Glib::path_get_basename (path);
4924 string newpath = Glib::build_filename (sdir.sound_path(), base);
4926 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4930 md5.digestString (path.c_str());
4931 md5.writeToString ();
4932 base = md5.digestChars;
4934 string ext = get_suffix (path);
4941 newpath = Glib::build_filename (sdir.sound_path(), base);
4943 /* if this collides, we're screwed */
4945 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4946 error << string_compose (_("Merging embedded file %1: name collision AND md5 hash collision!"), path) << endmsg;
4955 /** Return true if there are no audio file sources that use @param name as
4956 * the filename component of their path.
4958 * Return false otherwise.
4960 * This method MUST ONLY be used to check in-session, mono files since it
4961 * hard-codes the channel of the audio file source we are looking for as zero.
4963 * If/when Ardour supports native files in non-mono formats, the logic here
4964 * will need to be revisited.
4967 Session::audio_source_name_is_unique (const string& name)
4969 std::vector<string> sdirs = source_search_path (DataType::AUDIO);
4970 vector<space_and_path>::iterator i;
4971 uint32_t existing = 0;
4973 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4975 /* note that we search *without* the extension so that
4976 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
4977 in the event that this new name is required for
4978 a file format change.
4981 const string spath = *i;
4983 if (matching_unsuffixed_filename_exists_in (spath, name)) {
4988 /* it is possible that we have the path already
4989 * assigned to a source that has not yet been written
4990 * (ie. the write source for a diskstream). we have to
4991 * check this in order to make sure that our candidate
4992 * path isn't used again, because that can lead to
4993 * two Sources point to the same file with different
4994 * notions of their removability.
4998 string possible_path = Glib::build_filename (spath, name);
5000 if (audio_source_by_path_and_channel (possible_path, 0)) {
5006 return (existing == 0);
5010 Session::format_audio_source_name (const string& legalized_base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required, uint32_t cnt, bool related_exists)
5013 const string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
5015 if (Profile->get_trx() && destructive) {
5017 sstr << setfill ('0') << setw (4) << cnt;
5018 sstr << legalized_base;
5020 sstr << legalized_base;
5022 if (take_required || related_exists) {
5034 } else if (nchan > 2) {
5039 /* XXX what? more than 26 channels! */
5050 /** Return a unique name based on \a base for a new internal audio source */
5052 Session::new_audio_source_path (const string& base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required)
5055 string possible_name;
5056 const uint32_t limit = 9999; // arbitrary limit on number of files with the same basic name
5058 bool some_related_source_name_exists = false;
5060 legalized = legalize_for_path (base);
5062 // Find a "version" of the base name that doesn't exist in any of the possible directories.
5064 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
5066 possible_name = format_audio_source_name (legalized, nchan, chan, destructive, take_required, cnt, some_related_source_name_exists);
5068 if (audio_source_name_is_unique (possible_name)) {
5072 some_related_source_name_exists = true;
5075 error << string_compose(
5076 _("There are already %1 recordings for %2, which I consider too many."),
5077 limit, base) << endmsg;
5079 throw failed_constructor();
5083 /* We've established that the new name does not exist in any session
5084 * directory, so now find out which one we should use for this new
5088 SessionDirectory sdir (get_best_session_directory_for_new_audio());
5090 std::string s = Glib::build_filename (sdir.sound_path(), possible_name);
5095 /** Return a unique name based on `base` for a new internal MIDI source */
5097 Session::new_midi_source_path (const string& base)
5100 char buf[PATH_MAX+1];
5101 const uint32_t limit = 10000;
5103 string possible_path;
5104 string possible_name;
5107 legalized = legalize_for_path (base);
5109 // Find a "version" of the file name that doesn't exist in any of the possible directories.
5110 std::vector<string> sdirs = source_search_path(DataType::MIDI);
5112 /* - the main session folder is the first in the vector.
5113 * - after checking all locations for file-name uniqueness,
5114 * we keep the one from the last iteration as new file name
5115 * - midi files are small and should just be kept in the main session-folder
5117 * -> reverse the array, check main session folder last and use that as location
5120 std::reverse(sdirs.begin(), sdirs.end());
5122 for (cnt = 1; cnt <= limit; ++cnt) {
5124 vector<space_and_path>::iterator i;
5125 uint32_t existing = 0;
5127 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
5129 snprintf (buf, sizeof(buf), "%s-%u.mid", legalized.c_str(), cnt);
5130 possible_name = buf;
5132 possible_path = Glib::build_filename (*i, possible_name);
5134 if (Glib::file_test (possible_path, Glib::FILE_TEST_EXISTS)) {
5138 if (midi_source_by_path (possible_path)) {
5143 if (existing == 0) {
5148 error << string_compose(
5149 _("There are already %1 recordings for %2, which I consider too many."),
5150 limit, base) << endmsg;
5156 /* No need to "find best location" for software/app-based RAID, because
5157 MIDI is so small that we always put it in the same place.
5160 return possible_path;
5164 /** Create a new within-session audio source */
5165 boost::shared_ptr<AudioFileSource>
5166 Session::create_audio_source_for_session (size_t n_chans, string const & base, uint32_t chan, bool destructive)
5168 const string path = new_audio_source_path (base, n_chans, chan, destructive, true);
5170 if (!path.empty()) {
5171 return boost::dynamic_pointer_cast<AudioFileSource> (
5172 SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, frame_rate(), true, true));
5174 throw failed_constructor ();
5178 /** Create a new within-session MIDI source */
5179 boost::shared_ptr<MidiSource>
5180 Session::create_midi_source_for_session (string const & basic_name)
5182 const string path = new_midi_source_path (basic_name);
5184 if (!path.empty()) {
5185 return boost::dynamic_pointer_cast<SMFSource> (
5186 SourceFactory::createWritable (
5187 DataType::MIDI, *this, path, false, frame_rate()));
5189 throw failed_constructor ();
5193 /** Create a new within-session MIDI source */
5194 boost::shared_ptr<MidiSource>
5195 Session::create_midi_source_by_stealing_name (boost::shared_ptr<Track> track)
5197 /* the caller passes in the track the source will be used in,
5198 so that we can keep the numbering sane.
5200 Rationale: a track with the name "Foo" that has had N
5201 captures carried out so far will ALREADY have a write source
5202 named "Foo-N+1.mid" waiting to be used for the next capture.
5204 If we call new_midi_source_name() we will get "Foo-N+2". But
5205 there is no region corresponding to "Foo-N+1", so when
5206 "Foo-N+2" appears in the track, the gap presents the user
5207 with odd behaviour - why did it skip past Foo-N+1?
5209 We could explain this to the user in some odd way, but
5210 instead we rename "Foo-N+1.mid" as "Foo-N+2.mid", and then
5213 If that attempted rename fails, we get "Foo-N+2.mid" anyway.
5216 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (track);
5218 std::string name = track->steal_write_source_name ();
5221 return boost::shared_ptr<MidiSource>();
5224 /* MIDI files are small, just put them in the first location of the
5225 session source search path.
5228 const string path = Glib::build_filename (source_search_path (DataType::MIDI).front(), name);
5230 return boost::dynamic_pointer_cast<SMFSource> (
5231 SourceFactory::createWritable (
5232 DataType::MIDI, *this, path, false, frame_rate()));
5237 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
5239 if (playlist->hidden()) {
5243 playlists->add (playlist);
5246 playlist->release();
5253 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
5255 if (_state_of_the_state & Deletion) {
5259 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
5265 playlists->remove (playlist);
5271 Session::set_audition (boost::shared_ptr<Region> r)
5273 pending_audition_region = r;
5274 add_post_transport_work (PostTransportAudition);
5275 _butler->schedule_transport_work ();
5279 Session::audition_playlist ()
5281 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5282 ev->region.reset ();
5288 Session::register_lua_function (
5289 const std::string& name,
5290 const std::string& script,
5291 const LuaScriptParamList& args
5294 Glib::Threads::Mutex::Lock lm (lua_lock);
5296 lua_State* L = lua.getState();
5298 const std::string& bytecode = LuaScripting::get_factory_bytecode (script);
5299 luabridge::LuaRef tbl_arg (luabridge::newTable(L));
5300 for (LuaScriptParamList::const_iterator i = args.begin(); i != args.end(); ++i) {
5301 if ((*i)->optional && !(*i)->is_set) { continue; }
5302 tbl_arg[(*i)->name] = (*i)->value;
5304 (*_lua_add)(name, bytecode, tbl_arg); // throws luabridge::LuaException
5307 LuaScriptsChanged (); /* EMIT SIGNAL */
5312 Session::unregister_lua_function (const std::string& name)
5314 Glib::Threads::Mutex::Lock lm (lua_lock);
5315 (*_lua_del)(name); // throws luabridge::LuaException
5316 lua.collect_garbage ();
5319 LuaScriptsChanged (); /* EMIT SIGNAL */
5323 std::vector<std::string>
5324 Session::registered_lua_functions ()
5326 Glib::Threads::Mutex::Lock lm (lua_lock);
5327 std::vector<std::string> rv;
5330 luabridge::LuaRef list ((*_lua_list)());
5331 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5332 if (!i.key ().isString ()) { assert(0); continue; }
5333 rv.push_back (i.key ().cast<std::string> ());
5335 } catch (luabridge::LuaException const& e) { }
5340 static void _lua_print (std::string s) {
5341 std::cout << "SessionLua: " << s << "\n";
5346 Session::try_run_lua (pframes_t nframes)
5348 if (_n_lua_scripts == 0) return;
5349 Glib::Threads::Mutex::Lock tm (lua_lock, Glib::Threads::TRY_LOCK);
5351 try { (*_lua_run)(nframes); } catch (luabridge::LuaException const& e) { }
5352 lua.collect_garbage_step ();
5357 Session::setup_lua ()
5360 lua.Print.connect (&_lua_print);
5364 "function ArdourSession ()"
5365 " local self = { scripts = {}, instances = {} }"
5367 " local remove = function (n)"
5368 " self.scripts[n] = nil"
5369 " self.instances[n] = nil"
5370 " Session:scripts_changed()" // call back
5373 " local addinternal = function (n, f, a)"
5374 " assert(type(n) == 'string', 'function-name must be string')"
5375 " assert(type(f) == 'function', 'Given script is a not a function')"
5376 " assert(type(a) == 'table' or type(a) == 'nil', 'Given argument is invalid')"
5377 " assert(self.scripts[n] == nil, 'Callback \"'.. n ..'\" already exists.')"
5378 " self.scripts[n] = { ['f'] = f, ['a'] = a }"
5379 " local env = _ENV; env.f = nil env.io = nil env.os = nil env.loadfile = nil env.require = nil env.dofile = nil env.package = nil env.debug = nil"
5380 " local env = { print = print, tostring = tostring, assert = assert, ipairs = ipairs, error = error, select = select, string = string, type = type, tonumber = tonumber, collectgarbage = collectgarbage, pairs = pairs, math = math, table = table, pcall = pcall, bit32=bit32, Session = Session, PBD = PBD, Timecode = Timecode, Evoral = Evoral, C = C, ARDOUR = ARDOUR }"
5381 " self.instances[n] = load (string.dump(f, true), nil, nil, env)(a)"
5382 " Session:scripts_changed()" // call back
5385 " local add = function (n, b, a)"
5386 " assert(type(b) == 'string', 'ByteCode must be string')"
5387 " load (b)()" // assigns f
5388 " assert(type(f) == 'string', 'Assigned ByteCode must be string')"
5389 " addinternal (n, load(f), a)"
5392 " local run = function (...)"
5393 " for n, s in pairs (self.instances) do"
5394 " local status, err = pcall (s, ...)"
5395 " if not status then"
5396 " print ('fn \"'.. n .. '\": ', err)"
5403 " local cleanup = function ()"
5404 " self.scripts = nil"
5405 " self.instances = nil"
5408 " local list = function ()"
5410 " for n, _ in pairs (self.scripts) do"
5416 " local function basic_serialize (o)"
5417 " if type(o) == \"number\" then"
5418 " return tostring(o)"
5420 " return string.format(\"%q\", o)"
5424 " local function serialize (name, value)"
5425 " local rv = name .. ' = '"
5427 " if type(value) == \"number\" or type(value) == \"string\" or type(value) == \"nil\" then"
5428 " return rv .. basic_serialize(value) .. ' '"
5429 " elseif type(value) == \"table\" then"
5431 " for k,v in pairs(value) do"
5432 " local fieldname = string.format(\"%s[%s]\", name, basic_serialize(k))"
5433 " rv = rv .. serialize(fieldname, v) .. ' '"
5434 " collectgarbage()" // string concatenation allocates a new string :(
5437 " elseif type(value) == \"function\" then"
5438 " return rv .. string.format(\"%q\", string.dump(value, true))"
5440 " error('cannot save a ' .. type(value))"
5445 " local save = function ()"
5446 " return (serialize('scripts', self.scripts))"
5449 " local restore = function (state)"
5450 " self.scripts = {}"
5452 " for n, s in pairs (scripts) do"
5453 " addinternal (n, load(s['f']), s['a'])"
5457 " return { run = run, add = add, remove = remove,"
5458 " list = list, restore = restore, save = save, cleanup = cleanup}"
5461 " sess = ArdourSession ()"
5462 " ArdourSession = nil"
5464 "function ardour () end"
5467 lua_State* L = lua.getState();
5470 luabridge::LuaRef lua_sess = luabridge::getGlobal (L, "sess");
5471 lua.do_command ("sess = nil"); // hide it.
5472 lua.do_command ("collectgarbage()");
5474 _lua_run = new luabridge::LuaRef(lua_sess["run"]);
5475 _lua_add = new luabridge::LuaRef(lua_sess["add"]);
5476 _lua_del = new luabridge::LuaRef(lua_sess["remove"]);
5477 _lua_list = new luabridge::LuaRef(lua_sess["list"]);
5478 _lua_save = new luabridge::LuaRef(lua_sess["save"]);
5479 _lua_load = new luabridge::LuaRef(lua_sess["restore"]);
5480 _lua_cleanup = new luabridge::LuaRef(lua_sess["cleanup"]);
5481 } catch (luabridge::LuaException const& e) {
5482 fatal << string_compose (_("programming error: %1"),
5483 X_("Failed to setup Lua interpreter"))
5485 abort(); /*NOTREACHED*/
5488 LuaBindings::stddef (L);
5489 LuaBindings::common (L);
5490 LuaBindings::dsp (L);
5491 luabridge::push <Session *> (L, this);
5492 lua_setglobal (L, "Session");
5496 Session::scripts_changed ()
5498 assert (!lua_lock.trylock()); // must hold lua_lock
5501 luabridge::LuaRef list ((*_lua_list)());
5503 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5504 if (!i.key ().isString ()) { assert(0); continue; }
5507 _n_lua_scripts = cnt;
5508 } catch (luabridge::LuaException const& e) {
5509 fatal << string_compose (_("programming error: %1"),
5510 X_("Indexing Lua Session Scripts failed."))
5512 abort(); /*NOTREACHED*/
5517 Session::non_realtime_set_audition ()
5519 assert (pending_audition_region);
5520 auditioner->audition_region (pending_audition_region);
5521 pending_audition_region.reset ();
5522 AuditionActive (true); /* EMIT SIGNAL */
5526 Session::audition_region (boost::shared_ptr<Region> r)
5528 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5534 Session::cancel_audition ()
5539 if (auditioner->auditioning()) {
5540 auditioner->cancel_audition ();
5541 AuditionActive (false); /* EMIT SIGNAL */
5546 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
5548 if (a->is_monitor()) {
5551 if (b->is_monitor()) {
5554 return a->presentation_info().order() < b->presentation_info().order();
5558 Session::is_auditioning () const
5560 /* can be called before we have an auditioner object */
5562 return auditioner->auditioning();
5569 Session::graph_reordered ()
5571 /* don't do this stuff if we are setting up connections
5572 from a set_state() call or creating new tracks. Ditto for deletion.
5575 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _reconnecting_routes_in_progress || _route_deletion_in_progress) {
5579 /* every track/bus asked for this to be handled but it was deferred because
5580 we were connecting. do it now.
5583 request_input_change_handling ();
5587 /* force all diskstreams to update their capture offset values to
5588 reflect any changes in latencies within the graph.
5591 boost::shared_ptr<RouteList> rl = routes.reader ();
5592 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5593 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5595 tr->set_capture_offset ();
5600 /** @return Number of frames that there is disk space available to write,
5603 boost::optional<framecnt_t>
5604 Session::available_capture_duration ()
5606 Glib::Threads::Mutex::Lock lm (space_lock);
5608 if (_total_free_4k_blocks_uncertain) {
5609 return boost::optional<framecnt_t> ();
5612 float sample_bytes_on_disk = 4.0; // keep gcc happy
5614 switch (config.get_native_file_data_format()) {
5616 sample_bytes_on_disk = 4.0;
5620 sample_bytes_on_disk = 3.0;
5624 sample_bytes_on_disk = 2.0;
5628 /* impossible, but keep some gcc versions happy */
5629 fatal << string_compose (_("programming error: %1"),
5630 X_("illegal native file data format"))
5632 abort(); /*NOTREACHED*/
5635 double scale = 4096.0 / sample_bytes_on_disk;
5637 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
5638 return max_framecnt;
5641 return (framecnt_t) floor (_total_free_4k_blocks * scale);
5645 Session::add_bundle (boost::shared_ptr<Bundle> bundle, bool emit_signal)
5648 RCUWriter<BundleList> writer (_bundles);
5649 boost::shared_ptr<BundleList> b = writer.get_copy ();
5650 b->push_back (bundle);
5654 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5661 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
5663 bool removed = false;
5666 RCUWriter<BundleList> writer (_bundles);
5667 boost::shared_ptr<BundleList> b = writer.get_copy ();
5668 BundleList::iterator i = find (b->begin(), b->end(), bundle);
5670 if (i != b->end()) {
5677 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5683 boost::shared_ptr<Bundle>
5684 Session::bundle_by_name (string name) const
5686 boost::shared_ptr<BundleList> b = _bundles.reader ();
5688 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
5689 if ((*i)->name() == name) {
5694 return boost::shared_ptr<Bundle> ();
5698 Session::tempo_map_changed (const PropertyChange&)
5702 playlists->update_after_tempo_map_change ();
5704 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
5710 Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
5712 for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
5713 (*i)->recompute_frames_from_beat ();
5717 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
5718 * the given count with the current block size.
5721 Session::ensure_buffers (ChanCount howmany)
5723 BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
5727 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
5729 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5730 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
5735 Session::next_insert_id ()
5737 /* this doesn't really loop forever. just think about it */
5740 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < insert_bitset.size(); ++n) {
5741 if (!insert_bitset[n]) {
5742 insert_bitset[n] = true;
5748 /* none available, so resize and try again */
5750 insert_bitset.resize (insert_bitset.size() + 16, false);
5755 Session::next_send_id ()
5757 /* this doesn't really loop forever. just think about it */
5760 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < send_bitset.size(); ++n) {
5761 if (!send_bitset[n]) {
5762 send_bitset[n] = true;
5768 /* none available, so resize and try again */
5770 send_bitset.resize (send_bitset.size() + 16, false);
5775 Session::next_aux_send_id ()
5777 /* this doesn't really loop forever. just think about it */
5780 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < aux_send_bitset.size(); ++n) {
5781 if (!aux_send_bitset[n]) {
5782 aux_send_bitset[n] = true;
5788 /* none available, so resize and try again */
5790 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
5795 Session::next_return_id ()
5797 /* this doesn't really loop forever. just think about it */
5800 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < return_bitset.size(); ++n) {
5801 if (!return_bitset[n]) {
5802 return_bitset[n] = true;
5808 /* none available, so resize and try again */
5810 return_bitset.resize (return_bitset.size() + 16, false);
5815 Session::mark_send_id (uint32_t id)
5817 if (id >= send_bitset.size()) {
5818 send_bitset.resize (id+16, false);
5820 if (send_bitset[id]) {
5821 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
5823 send_bitset[id] = true;
5827 Session::mark_aux_send_id (uint32_t id)
5829 if (id >= aux_send_bitset.size()) {
5830 aux_send_bitset.resize (id+16, false);
5832 if (aux_send_bitset[id]) {
5833 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
5835 aux_send_bitset[id] = true;
5839 Session::mark_return_id (uint32_t id)
5841 if (id >= return_bitset.size()) {
5842 return_bitset.resize (id+16, false);
5844 if (return_bitset[id]) {
5845 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
5847 return_bitset[id] = true;
5851 Session::mark_insert_id (uint32_t id)
5853 if (id >= insert_bitset.size()) {
5854 insert_bitset.resize (id+16, false);
5856 if (insert_bitset[id]) {
5857 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
5859 insert_bitset[id] = true;
5863 Session::unmark_send_id (uint32_t id)
5865 if (id < send_bitset.size()) {
5866 send_bitset[id] = false;
5871 Session::unmark_aux_send_id (uint32_t id)
5873 if (id < aux_send_bitset.size()) {
5874 aux_send_bitset[id] = false;
5879 Session::unmark_return_id (uint32_t id)
5881 if (_state_of_the_state & Deletion) { return; }
5882 if (id < return_bitset.size()) {
5883 return_bitset[id] = false;
5888 Session::unmark_insert_id (uint32_t id)
5890 if (id < insert_bitset.size()) {
5891 insert_bitset[id] = false;
5896 Session::reset_native_file_format ()
5898 boost::shared_ptr<RouteList> rl = routes.reader ();
5900 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5901 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5903 /* don't save state as we do this, there's no point
5905 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
5906 tr->reset_write_sources (false);
5907 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
5913 Session::route_name_unique (string n) const
5915 boost::shared_ptr<RouteList> r = routes.reader ();
5917 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5918 if ((*i)->name() == n) {
5927 Session::route_name_internal (string n) const
5929 if (auditioner && auditioner->name() == n) {
5933 if (_click_io && _click_io->name() == n) {
5941 Session::freeze_all (InterThreadInfo& itt)
5943 boost::shared_ptr<RouteList> r = routes.reader ();
5945 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5947 boost::shared_ptr<Track> t;
5949 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
5950 /* XXX this is wrong because itt.progress will keep returning to zero at the start
5960 boost::shared_ptr<Region>
5961 Session::write_one_track (Track& track, framepos_t start, framepos_t end,
5962 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
5963 InterThreadInfo& itt,
5964 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
5965 bool for_export, bool for_freeze)
5967 boost::shared_ptr<Region> result;
5968 boost::shared_ptr<Playlist> playlist;
5969 boost::shared_ptr<Source> source;
5970 ChanCount diskstream_channels (track.n_channels());
5971 framepos_t position;
5972 framecnt_t this_chunk;
5974 framepos_t latency_skip;
5976 framepos_t len = end - start;
5977 bool need_block_size_reset = false;
5978 ChanCount const max_proc = track.max_processor_streams ();
5979 string legal_playlist_name;
5980 string possible_path;
5983 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
5984 end, start) << endmsg;
5988 diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
5989 include_endpoint, for_export, for_freeze);
5991 if (diskstream_channels.n(track.data_type()) < 1) {
5992 error << _("Cannot write a range with no data.") << endmsg;
5996 // block all process callback handling
5998 block_processing ();
6001 // synchronize with AudioEngine::process_callback()
6002 // make sure processing is not currently running
6003 // and processing_blocked() is honored before
6004 // acquiring thread buffers
6005 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6008 _bounce_processing_active = true;
6010 /* call tree *MUST* hold route_lock */
6012 if ((playlist = track.playlist()) == 0) {
6016 legal_playlist_name = legalize_for_path (playlist->name());
6018 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n(track.data_type()); ++chan_n) {
6020 string base_name = string_compose ("%1-%2-bounce", playlist->name(), chan_n);
6021 string path = ((track.data_type() == DataType::AUDIO)
6022 ? new_audio_source_path (legal_playlist_name, diskstream_channels.n_audio(), chan_n, false, true)
6023 : new_midi_source_path (legal_playlist_name));
6030 source = SourceFactory::createWritable (track.data_type(), *this, path, false, frame_rate());
6033 catch (failed_constructor& err) {
6034 error << string_compose (_("cannot create new file \"%1\" for %2"), path, track.name()) << endmsg;
6038 srcs.push_back (source);
6041 /* tell redirects that care that we are about to use a much larger
6042 * blocksize. this will flush all plugins too, so that they are ready
6043 * to be used for this process.
6046 need_block_size_reset = true;
6047 track.set_block_size (bounce_chunk_size);
6048 _engine.main_thread()->get_buffers ();
6052 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
6054 /* create a set of reasonably-sized buffers */
6055 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
6056 buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
6058 buffers.set_count (max_proc);
6060 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6061 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6062 boost::shared_ptr<MidiSource> ms;
6064 afs->prepare_for_peakfile_writes ();
6065 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6066 Source::Lock lock(ms->mutex());
6067 ms->mark_streaming_write_started(lock);
6071 while (to_do && !itt.cancel) {
6073 this_chunk = min (to_do, bounce_chunk_size);
6075 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
6079 start += this_chunk;
6080 to_do -= this_chunk;
6081 itt.progress = (float) (1.0 - ((double) to_do / len));
6083 if (latency_skip >= bounce_chunk_size) {
6084 latency_skip -= bounce_chunk_size;
6088 const framecnt_t current_chunk = this_chunk - latency_skip;
6091 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
6092 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6093 boost::shared_ptr<MidiSource> ms;
6096 if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
6099 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6100 Source::Lock lock(ms->mutex());
6102 const MidiBuffer& buf = buffers.get_midi(0);
6103 for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
6104 Evoral::Event<framepos_t> ev = *i;
6105 ev.set_time(ev.time() - position);
6106 ms->append_event_frames(lock, ev, ms->timeline_position());
6113 /* post-roll, pick up delayed processor output */
6114 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
6116 while (latency_skip && !itt.cancel) {
6117 this_chunk = min (latency_skip, bounce_chunk_size);
6118 latency_skip -= this_chunk;
6120 buffers.silence (this_chunk, 0);
6121 track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
6124 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
6125 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6128 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
6140 xnow = localtime (&now);
6142 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
6143 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6144 boost::shared_ptr<MidiSource> ms;
6147 afs->update_header (position, *xnow, now);
6148 afs->flush_header ();
6149 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6150 Source::Lock lock(ms->mutex());
6151 ms->mark_streaming_write_completed(lock);
6155 /* construct a region to represent the bounced material */
6159 plist.add (Properties::start, 0);
6160 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
6161 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
6163 result = RegionFactory::create (srcs, plist);
6169 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6170 (*src)->mark_for_remove ();
6171 (*src)->drop_references ();
6175 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6176 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6179 afs->done_with_peakfile_writes ();
6183 _bounce_processing_active = false;
6185 if (need_block_size_reset) {
6186 _engine.main_thread()->drop_buffers ();
6187 track.set_block_size (get_block_size());
6190 unblock_processing ();
6196 Session::gain_automation_buffer() const
6198 return ProcessThread::gain_automation_buffer ();
6202 Session::trim_automation_buffer() const
6204 return ProcessThread::trim_automation_buffer ();
6208 Session::send_gain_automation_buffer() const
6210 return ProcessThread::send_gain_automation_buffer ();
6214 Session::pan_automation_buffer() const
6216 return ProcessThread::pan_automation_buffer ();
6220 Session::get_silent_buffers (ChanCount count)
6222 return ProcessThread::get_silent_buffers (count);
6226 Session::get_scratch_buffers (ChanCount count, bool silence)
6228 return ProcessThread::get_scratch_buffers (count, silence);
6232 Session::get_noinplace_buffers (ChanCount count)
6234 return ProcessThread::get_noinplace_buffers (count);
6238 Session::get_route_buffers (ChanCount count, bool silence)
6240 return ProcessThread::get_route_buffers (count, silence);
6245 Session::get_mix_buffers (ChanCount count)
6247 return ProcessThread::get_mix_buffers (count);
6251 Session::ntracks () const
6254 boost::shared_ptr<RouteList> r = routes.reader ();
6256 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
6257 if (boost::dynamic_pointer_cast<Track> (*i)) {
6266 Session::nbusses () const
6269 boost::shared_ptr<RouteList> r = routes.reader ();
6271 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
6272 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
6281 Session::add_automation_list(AutomationList *al)
6283 automation_lists[al->id()] = al;
6286 /** @return true if there is at least one record-enabled track, otherwise false */
6288 Session::have_rec_enabled_track () const
6290 return g_atomic_int_get (const_cast<gint*>(&_have_rec_enabled_track)) == 1;
6294 Session::have_rec_disabled_track () const
6296 return g_atomic_int_get (const_cast<gint*>(&_have_rec_disabled_track)) == 1;
6299 /** Update the state of our rec-enabled tracks flag */
6301 Session::update_route_record_state ()
6303 boost::shared_ptr<RouteList> rl = routes.reader ();
6304 RouteList::iterator i = rl->begin();
6305 while (i != rl->end ()) {
6307 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6308 if (tr && tr->rec_enable_control()->get_value()) {
6315 int const old = g_atomic_int_get (&_have_rec_enabled_track);
6317 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
6319 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
6320 RecordStateChanged (); /* EMIT SIGNAL */
6323 for (i = rl->begin(); i != rl->end (); ++i) {
6324 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6325 if (tr && !tr->rec_enable_control()->get_value()) {
6330 g_atomic_int_set (&_have_rec_disabled_track, i != rl->end () ? 1 : 0);
6332 bool record_arm_state_changed = (old != g_atomic_int_get (&_have_rec_enabled_track) );
6334 if (record_status() == Recording && record_arm_state_changed ) {
6335 RecordArmStateChanged ();
6341 Session::listen_position_changed ()
6343 ProcessorChangeBlocker pcb (this);
6344 boost::shared_ptr<RouteList> r = routes.reader ();
6345 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6346 (*i)->listen_position_changed ();
6351 Session::solo_control_mode_changed ()
6353 if (soloing() || listening()) {
6355 /* We can't use ::clear_all_solo_state() here because during
6356 session loading at program startup, that will queue a call
6357 to rt_clear_all_solo_state() that will not execute until
6358 AFTER solo states have been established (thus throwing away
6359 the session's saved solo state). So just explicitly turn
6362 set_controls (route_list_to_control_list (get_routes(), &Stripable::solo_control), 0.0, Controllable::NoGroup);
6364 clear_all_solo_state (get_routes());
6369 /** Called when a property of one of our route groups changes */
6371 Session::route_group_property_changed (RouteGroup* rg)
6373 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
6376 /** Called when a route is added to one of our route groups */
6378 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6380 RouteAddedToRouteGroup (rg, r);
6383 /** Called when a route is removed from one of our route groups */
6385 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6387 update_route_record_state ();
6388 RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
6390 if (!rg->has_control_master () && !rg->has_subgroup () && rg->empty()) {
6391 remove_route_group (*rg);
6395 boost::shared_ptr<RouteList>
6396 Session::get_tracks () const
6398 boost::shared_ptr<RouteList> rl = routes.reader ();
6399 boost::shared_ptr<RouteList> tl (new RouteList);
6401 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
6402 if (boost::dynamic_pointer_cast<Track> (*r)) {
6403 if (!(*r)->is_auditioner()) {
6411 boost::shared_ptr<RouteList>
6412 Session::get_routes_with_regions_at (framepos_t const p) const
6414 boost::shared_ptr<RouteList> r = routes.reader ();
6415 boost::shared_ptr<RouteList> rl (new RouteList);
6417 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6418 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6423 boost::shared_ptr<Playlist> pl = tr->playlist ();
6428 if (pl->has_region_at (p)) {
6437 Session::goto_end ()
6439 if (_session_range_location) {
6440 request_locate (_session_range_location->end(), false);
6442 request_locate (0, false);
6447 Session::goto_start (bool and_roll)
6449 if (_session_range_location) {
6450 request_locate (_session_range_location->start(), and_roll);
6452 request_locate (0, and_roll);
6457 Session::current_start_frame () const
6459 return _session_range_location ? _session_range_location->start() : 0;
6463 Session::current_end_frame () const
6465 return _session_range_location ? _session_range_location->end() : 0;
6469 Session::set_session_range_location (framepos_t start, framepos_t end)
6471 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange, 0);
6472 _locations->add (_session_range_location);
6476 Session::step_edit_status_change (bool yn)
6482 send = (_step_editors == 0);
6487 send = (_step_editors == 1);
6490 if (_step_editors > 0) {
6496 StepEditStatusChange (val);
6502 Session::start_time_changed (framepos_t old)
6504 /* Update the auto loop range to match the session range
6505 (unless the auto loop range has been changed by the user)
6508 Location* s = _locations->session_range_location ();
6513 Location* l = _locations->auto_loop_location ();
6515 if (l && l->start() == old) {
6516 l->set_start (s->start(), true);
6522 Session::end_time_changed (framepos_t old)
6524 /* Update the auto loop range to match the session range
6525 (unless the auto loop range has been changed by the user)
6528 Location* s = _locations->session_range_location ();
6533 Location* l = _locations->auto_loop_location ();
6535 if (l && l->end() == old) {
6536 l->set_end (s->end(), true);
6541 std::vector<std::string>
6542 Session::source_search_path (DataType type) const
6546 if (session_dirs.size() == 1) {
6548 case DataType::AUDIO:
6549 sp.push_back (_session_dir->sound_path());
6551 case DataType::MIDI:
6552 sp.push_back (_session_dir->midi_path());
6556 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
6557 SessionDirectory sdir (i->path);
6559 case DataType::AUDIO:
6560 sp.push_back (sdir.sound_path());
6562 case DataType::MIDI:
6563 sp.push_back (sdir.midi_path());
6569 if (type == DataType::AUDIO) {
6570 const string sound_path_2X = _session_dir->sound_path_2X();
6571 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
6572 if (find (sp.begin(), sp.end(), sound_path_2X) == sp.end()) {
6573 sp.push_back (sound_path_2X);
6578 // now check the explicit (possibly user-specified) search path
6581 case DataType::AUDIO:
6582 sp += Searchpath(config.get_audio_search_path ());
6584 case DataType::MIDI:
6585 sp += Searchpath(config.get_midi_search_path ());
6593 Session::ensure_search_path_includes (const string& path, DataType type)
6602 case DataType::AUDIO:
6603 sp += Searchpath(config.get_audio_search_path ());
6605 case DataType::MIDI:
6606 sp += Searchpath (config.get_midi_search_path ());
6610 for (vector<std::string>::iterator i = sp.begin(); i != sp.end(); ++i) {
6611 /* No need to add this new directory if it has the same inode as
6612 an existing one; checking inode rather than name prevents duplicated
6613 directories when we are using symlinks.
6615 On Windows, I think we could just do if (*i == path) here.
6617 if (PBD::equivalent_paths (*i, path)) {
6625 case DataType::AUDIO:
6626 config.set_audio_search_path (sp.to_string());
6628 case DataType::MIDI:
6629 config.set_midi_search_path (sp.to_string());
6635 Session::remove_dir_from_search_path (const string& dir, DataType type)
6640 case DataType::AUDIO:
6641 sp = Searchpath(config.get_audio_search_path ());
6643 case DataType::MIDI:
6644 sp = Searchpath (config.get_midi_search_path ());
6651 case DataType::AUDIO:
6652 config.set_audio_search_path (sp.to_string());
6654 case DataType::MIDI:
6655 config.set_midi_search_path (sp.to_string());
6661 boost::shared_ptr<Speakers>
6662 Session::get_speakers()
6668 Session::unknown_processors () const
6672 boost::shared_ptr<RouteList> r = routes.reader ();
6673 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6674 list<string> t = (*i)->unknown_processors ();
6675 copy (t.begin(), t.end(), back_inserter (p));
6685 Session::update_latency (bool playback)
6688 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
6690 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _route_deletion_in_progress) {
6694 boost::shared_ptr<RouteList> r = routes.reader ();
6695 framecnt_t max_latency = 0;
6698 /* reverse the list so that we work backwards from the last route to run to the first */
6699 RouteList* rl = routes.reader().get();
6700 r.reset (new RouteList (*rl));
6701 reverse (r->begin(), r->end());
6704 /* compute actual latency values for the given direction and store them all in per-port
6705 structures. this will also publish the same values (to JACK) so that computation of latency
6706 for routes can consistently use public latency values.
6709 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6710 max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
6713 /* because we latency compensate playback, our published playback latencies should
6714 be the same for all output ports - all material played back by ardour has
6715 the same latency, whether its caused by plugins or by latency compensation. since
6716 these may differ from the values computed above, reset all playback port latencies
6720 DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
6722 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6723 (*i)->set_public_port_latencies (max_latency, playback);
6728 post_playback_latency ();
6732 post_capture_latency ();
6735 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
6739 Session::post_playback_latency ()
6741 set_worst_playback_latency ();
6743 boost::shared_ptr<RouteList> r = routes.reader ();
6745 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6746 if (!(*i)->is_auditioner() && ((*i)->active())) {
6747 _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
6751 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6752 (*i)->set_latency_compensation (_worst_track_latency);
6757 Session::post_capture_latency ()
6759 set_worst_capture_latency ();
6761 /* reflect any changes in capture latencies into capture offsets
6764 boost::shared_ptr<RouteList> rl = routes.reader();
6765 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
6766 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6768 tr->set_capture_offset ();
6774 Session::initialize_latencies ()
6777 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6778 update_latency (false);
6779 update_latency (true);
6782 set_worst_io_latencies ();
6786 Session::set_worst_io_latencies ()
6788 set_worst_playback_latency ();
6789 set_worst_capture_latency ();
6793 Session::set_worst_playback_latency ()
6795 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6799 _worst_output_latency = 0;
6801 if (!_engine.connected()) {
6805 boost::shared_ptr<RouteList> r = routes.reader ();
6807 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6808 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
6811 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
6815 Session::set_worst_capture_latency ()
6817 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6821 _worst_input_latency = 0;
6823 if (!_engine.connected()) {
6827 boost::shared_ptr<RouteList> r = routes.reader ();
6829 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6830 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
6833 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
6837 Session::update_latency_compensation (bool force_whole_graph)
6839 bool some_track_latency_changed = false;
6841 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6845 DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
6847 _worst_track_latency = 0;
6849 boost::shared_ptr<RouteList> r = routes.reader ();
6851 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6852 if (!(*i)->is_auditioner() && ((*i)->active())) {
6854 if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
6855 some_track_latency_changed = true;
6857 _worst_track_latency = max (tl, _worst_track_latency);
6861 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
6862 (some_track_latency_changed ? "yes" : "no")));
6864 DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
6866 if (some_track_latency_changed || force_whole_graph) {
6867 _engine.update_latencies ();
6871 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6872 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6876 tr->set_capture_offset ();
6881 Session::session_name_is_legal (const string& path)
6883 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
6885 for (int i = 0; illegal_chars[i]; ++i) {
6886 if (path.find (illegal_chars[i]) != string::npos) {
6887 return illegal_chars[i];
6895 Session::notify_presentation_info_change ()
6897 if (deletion_in_progress()) {
6901 reassign_track_numbers();
6903 #ifdef USE_TRACKS_CODE_FEATURES
6904 /* Waves Tracks: for Waves Tracks session it's required to reconnect their IOs
6905 * if track order has been changed by user
6907 reconnect_existing_routes(true, true);
6913 Session::operation_in_progress (GQuark op) const
6915 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
6918 boost::shared_ptr<Port>
6919 Session::ltc_input_port () const
6921 return _ltc_input->nth (0);
6924 boost::shared_ptr<Port>
6925 Session::ltc_output_port () const
6927 return _ltc_output->nth (0);
6931 Session::reconnect_ltc_input ()
6935 string src = Config->get_ltc_source_port();
6937 _ltc_input->disconnect (this);
6939 if (src != _("None") && !src.empty()) {
6940 _ltc_input->nth (0)->connect (src);
6943 if ( ARDOUR::Profile->get_trx () ) {
6944 // Tracks need this signal to update timecode_source_dropdown
6945 MtcOrLtcInputPortChanged (); //emit signal
6951 Session::reconnect_ltc_output ()
6955 string src = Config->get_ltc_output_port();
6957 _ltc_output->disconnect (this);
6959 if (src != _("None") && !src.empty()) {
6960 _ltc_output->nth (0)->connect (src);
6966 Session::set_range_selection (framepos_t start, framepos_t end)
6968 _range_selection = Evoral::Range<framepos_t> (start, end);
6969 #ifdef USE_TRACKS_CODE_FEATURES
6970 follow_playhead_priority ();
6975 Session::set_object_selection (framepos_t start, framepos_t end)
6977 _object_selection = Evoral::Range<framepos_t> (start, end);
6978 #ifdef USE_TRACKS_CODE_FEATURES
6979 follow_playhead_priority ();
6984 Session::clear_range_selection ()
6986 _range_selection = Evoral::Range<framepos_t> (-1,-1);
6987 #ifdef USE_TRACKS_CODE_FEATURES
6988 follow_playhead_priority ();
6993 Session::clear_object_selection ()
6995 _object_selection = Evoral::Range<framepos_t> (-1,-1);
6996 #ifdef USE_TRACKS_CODE_FEATURES
6997 follow_playhead_priority ();
7002 Session::auto_connect_route (boost::shared_ptr<Route> route, bool connect_inputs,
7003 const ChanCount& input_start,
7004 const ChanCount& output_start,
7005 const ChanCount& input_offset,
7006 const ChanCount& output_offset)
7008 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7009 _auto_connect_queue.push (AutoConnectRequest (route, connect_inputs,
7010 input_start, output_start,
7011 input_offset, output_offset));
7013 auto_connect_thread_wakeup ();
7017 Session::auto_connect_thread_wakeup ()
7019 if (pthread_mutex_trylock (&_auto_connect_mutex) == 0) {
7020 pthread_cond_signal (&_auto_connect_cond);
7021 pthread_mutex_unlock (&_auto_connect_mutex);
7026 Session::queue_latency_recompute ()
7028 g_atomic_int_inc (&_latency_recompute_pending);
7029 auto_connect_thread_wakeup ();
7033 Session::auto_connect (const AutoConnectRequest& ar)
7035 boost::shared_ptr<Route> route = ar.route.lock();
7037 if (!route) { return; }
7039 if (!IO::connecting_legal) {
7043 /* If both inputs and outputs are auto-connected to physical ports,
7044 * use the max of input and output offsets to ensure auto-connected
7045 * port numbers always match up (e.g. the first audio input and the
7046 * first audio output of the route will have the same physical
7047 * port number). Otherwise just use the lowest input or output
7051 const bool in_out_physical =
7052 (Config->get_input_auto_connect() & AutoConnectPhysical)
7053 && (Config->get_output_auto_connect() & AutoConnectPhysical)
7054 && ar.connect_inputs;
7056 const ChanCount in_offset = in_out_physical
7057 ? ChanCount::max(ar.input_offset, ar.output_offset)
7060 const ChanCount out_offset = in_out_physical
7061 ? ChanCount::max(ar.input_offset, ar.output_offset)
7064 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
7065 vector<string> physinputs;
7066 vector<string> physoutputs;
7069 /* for connecting track inputs we only want MIDI ports marked
7073 get_physical_ports (physinputs, physoutputs, *t, MidiPortMusic);
7075 if (!physinputs.empty() && ar.connect_inputs) {
7076 uint32_t nphysical_in = physinputs.size();
7078 for (uint32_t i = ar.input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
7081 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
7082 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
7085 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
7091 if (!physoutputs.empty()) {
7092 uint32_t nphysical_out = physoutputs.size();
7093 for (uint32_t i = ar.output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
7097 * do not create new connections if we reached the limit of physical outputs
7100 if (!(Config->get_output_auto_connect() & AutoConnectMaster) &&
7101 ARDOUR::Profile->get_trx () &&
7102 ar.output_offset.get(*t) == nphysical_out ) {
7106 if ((*t) == DataType::MIDI && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
7107 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
7108 } else if ((*t) == DataType::AUDIO && (Config->get_output_auto_connect() & AutoConnectMaster)) {
7109 /* master bus is audio only */
7110 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
7111 port = _master_out->input()->ports().port(*t,
7112 i % _master_out->input()->n_ports().get(*t))->name();
7116 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
7125 Session::auto_connect_thread_start ()
7127 if (g_atomic_int_get (&_ac_thread_active)) {
7131 while (!_auto_connect_queue.empty ()) {
7132 _auto_connect_queue.pop ();
7135 g_atomic_int_set (&_ac_thread_active, 1);
7136 if (pthread_create (&_auto_connect_thread, NULL, auto_connect_thread, this)) {
7137 g_atomic_int_set (&_ac_thread_active, 0);
7142 Session::auto_connect_thread_terminate ()
7144 if (!g_atomic_int_get (&_ac_thread_active)) {
7149 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7150 while (!_auto_connect_queue.empty ()) {
7151 _auto_connect_queue.pop ();
7155 /* cannot use auto_connect_thread_wakeup() because that is allowed to
7156 * fail to wakeup the thread.
7159 pthread_mutex_lock (&_auto_connect_mutex);
7160 g_atomic_int_set (&_ac_thread_active, 0);
7161 pthread_cond_signal (&_auto_connect_cond);
7162 pthread_mutex_unlock (&_auto_connect_mutex);
7165 pthread_join (_auto_connect_thread, &status);
7169 Session::auto_connect_thread (void *arg)
7171 Session *s = static_cast<Session *>(arg);
7172 s->auto_connect_thread_run ();
7178 Session::auto_connect_thread_run ()
7180 pthread_set_name (X_("autoconnect"));
7181 SessionEvent::create_per_thread_pool (X_("autoconnect"), 1024);
7182 PBD::notify_event_loops_about_thread_creation (pthread_self(), X_("autoconnect"), 1024);
7183 pthread_mutex_lock (&_auto_connect_mutex);
7184 while (g_atomic_int_get (&_ac_thread_active)) {
7186 if (!_auto_connect_queue.empty ()) {
7187 // Why would we need the process lock ??
7188 // A: if ports are added while we're connecting, the backend's iterator may be invalidated:
7189 // graph_order_callback() -> resort_routes() -> direct_feeds_according_to_reality () -> backend::connected_to()
7190 // All ardour-internal backends use a std::vector xxxAudioBackend::find_port()
7191 // We have control over those, but what does jack do?
7192 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7194 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7195 while (!_auto_connect_queue.empty ()) {
7196 const AutoConnectRequest ar (_auto_connect_queue.front());
7197 _auto_connect_queue.pop ();
7204 if (!actively_recording ()) { // might not be needed,
7205 /* this is only used for updating plugin latencies, the
7206 * graph does not change. so it's safe in general.
7208 * .. update_latency_compensation () entails set_capture_offset()
7209 * which calls Diskstream::set_capture_offset () which
7210 * modifies the capture offset... which can be a proplem
7211 * in "prepare_to_stop"
7213 while (g_atomic_int_and (&_latency_recompute_pending, 0)) {
7214 update_latency_compensation ();
7219 // this may call ARDOUR::Port::drop ... jack_port_unregister ()
7220 // jack1 cannot cope with removing ports while processing
7221 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7222 AudioEngine::instance()->clear_pending_port_deletions ();
7225 pthread_cond_wait (&_auto_connect_cond, &_auto_connect_mutex);
7227 pthread_mutex_unlock (&_auto_connect_mutex);
7231 Session::cancel_all_solo ()
7235 get_stripables (sl);
7237 set_controls (stripable_list_to_control_list (sl, &Stripable::solo_control), 0.0, Controllable::NoGroup);
7238 clear_all_solo_state (routes.reader());