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_port.h"
55 #include "ardour/audio_track.h"
56 #include "ardour/audioengine.h"
57 #include "ardour/audiofilesource.h"
58 #include "ardour/auditioner.h"
59 #include "ardour/boost_debug.h"
60 #include "ardour/buffer_manager.h"
61 #include "ardour/buffer_set.h"
62 #include "ardour/bundle.h"
63 #include "ardour/butler.h"
64 #include "ardour/click.h"
65 #include "ardour/control_protocol_manager.h"
66 #include "ardour/data_type.h"
67 #include "ardour/debug.h"
68 #include "ardour/disk_reader.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/rt_tasklist.h"
97 #include "ardour/send.h"
98 #include "ardour/selection.h"
99 #include "ardour/session.h"
100 #include "ardour/session_directory.h"
101 #include "ardour/session_playlists.h"
102 #include "ardour/smf_source.h"
103 #include "ardour/solo_isolate_control.h"
104 #include "ardour/source_factory.h"
105 #include "ardour/speakers.h"
106 #include "ardour/tempo.h"
107 #include "ardour/ticker.h"
108 #include "ardour/transport_master.h"
109 #include "ardour/track.h"
110 #include "ardour/types_convert.h"
111 #include "ardour/user_bundle.h"
112 #include "ardour/utils.h"
113 #include "ardour/vca_manager.h"
114 #include "ardour/vca.h"
116 #include "midi++/port.h"
117 #include "midi++/mmc.h"
119 #include "LuaBridge/LuaBridge.h"
121 #include "pbd/i18n.h"
123 #include <glibmm/checksum.h>
132 using namespace ARDOUR;
135 bool Session::_disable_all_loaded_plugins = false;
136 bool Session::_bypass_all_loaded_plugins = false;
137 guint Session::_name_id_counter = 0;
139 PBD::Signal1<int,uint32_t> Session::AudioEngineSetupRequired;
140 PBD::Signal1<void,std::string> Session::Dialog;
141 PBD::Signal0<int> Session::AskAboutPendingState;
142 PBD::Signal2<int, samplecnt_t, samplecnt_t> Session::AskAboutSampleRateMismatch;
143 PBD::Signal2<void, samplecnt_t, samplecnt_t> Session::NotifyAboutSampleRateMismatch;
144 PBD::Signal0<void> Session::SendFeedback;
145 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
147 PBD::Signal1<void, samplepos_t> Session::StartTimeChanged;
148 PBD::Signal1<void, samplepos_t> Session::EndTimeChanged;
149 PBD::Signal2<void,std::string, std::string> Session::Exported;
150 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
151 PBD::Signal0<void> Session::Quit;
152 PBD::Signal0<void> Session::FeedbackDetected;
153 PBD::Signal0<void> Session::SuccessfulGraphSort;
154 PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
156 const samplecnt_t Session::bounce_chunk_size = 8192;
157 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
158 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
160 // seconds should be added after the region exceeds end marker
161 #ifdef USE_TRACKS_CODE_FEATURES
162 const uint32_t Session::session_end_shift = 5;
164 const uint32_t Session::session_end_shift = 0;
167 /** @param snapshot_name Snapshot name, without .ardour suffix */
168 Session::Session (AudioEngine &eng,
169 const string& fullpath,
170 const string& snapshot_name,
171 BusProfile* bus_profile,
173 : playlists (new SessionPlaylists)
175 , process_function (&Session::process_with_events)
176 , _bounce_processing_active (false)
177 , waiting_for_sync_offset (false)
178 , _base_sample_rate (0)
179 , _nominal_sample_rate (0)
180 , _current_sample_rate (0)
181 , transport_sub_state (0)
182 , _record_status (Disabled)
183 , _transport_sample (0)
185 , _session_range_location (0)
186 , _session_range_end_is_free (true)
188 , _remaining_latency_preroll (0)
189 , _engine_speed (1.0)
190 , _transport_speed (0)
191 , _default_transport_speed (1.0)
192 , _last_transport_speed (0)
193 , _signalled_varispeed (0)
194 , _target_transport_speed (0.0)
195 , auto_play_legal (false)
196 , _requested_return_sample (-1)
197 , current_block_size (0)
198 , _worst_output_latency (0)
199 , _worst_input_latency (0)
200 , _worst_route_latency (0)
201 , _send_latency_changes (0)
202 , _have_captured (false)
203 , _non_soloed_outs_muted (false)
206 , _solo_isolated_cnt (0)
208 , _was_seamless (Config->get_seamless_loop ())
209 , _under_nsm_control (false)
211 , transport_master_tracking_state (Stopped)
212 , master_wait_end (0)
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 , _pre_export_mmc_enabled (false)
221 , _name (snapshot_name)
223 , _send_qf_mtc (false)
224 , _pframes_since_last_mtc (0)
226 , loop_changing (false)
228 , _session_dir (new SessionDirectory (fullpath))
229 , _current_snapshot_name (snapshot_name)
231 , state_was_pending (false)
232 , _state_of_the_state (StateOfTheState(CannotSave|InitialConnecting|Loading))
234 , _save_queued (false)
235 , _last_roll_location (0)
236 , _last_roll_or_reversal_location (0)
237 , _last_record_location (0)
238 , pending_auto_loop (false)
239 , _mempool ("Session", 3145728)
240 , lua (lua_newstate (&PBD::ReallocPool::lalloc, &_mempool))
242 , _butler (new Butler (*this))
243 , _post_transport_work (0)
244 , cumulative_rf_motion (0)
246 , _locations (new Locations (*this))
247 , _ignore_skips_updates (false)
248 , _rt_thread_active (false)
249 , _rt_emit_pending (false)
250 , _ac_thread_active (0)
251 , _latency_recompute_pending (0)
253 , outbound_mtc_timecode_frame (0)
254 , next_quarter_frame_to_send (-1)
255 , _samples_per_timecode_frame (0)
256 , _frames_per_hour (0)
257 , _timecode_frames_per_hour (0)
258 , last_timecode_valid (false)
259 , last_timecode_when (0)
260 , _send_timecode_update (false)
272 , ltc_timecode_offset (0)
273 , ltc_timecode_negative_offset (false)
274 , midi_control_ui (0)
276 , _all_route_group (new RouteGroup (*this, "all"))
277 , routes (new RouteList)
278 , _adding_routes_in_progress (false)
279 , _reconnecting_routes_in_progress (false)
280 , _route_deletion_in_progress (false)
281 , destructive_index (0)
282 , _track_number_decimals(1)
283 , default_fade_steepness (0)
284 , default_fade_msecs (0)
285 , _total_free_4k_blocks (0)
286 , _total_free_4k_blocks_uncertain (false)
287 , no_questions_about_missing_files (false)
290 , _bundles (new BundleList)
291 , _bundle_xml_node (0)
294 , _click_rec_only (false)
296 , click_emphasis_data (0)
298 , click_emphasis_length (0)
299 , _clicks_cleared (0)
300 , _count_in_samples (0)
301 , _play_range (false)
302 , _range_selection (-1,-1)
303 , _object_selection (-1,-1)
304 , _preroll_record_trim_len (0)
305 , _count_in_once (false)
307 , first_file_data_format_reset (true)
308 , first_file_header_format_reset (true)
309 , have_looped (false)
310 , _have_rec_enabled_track (false)
311 , _have_rec_disabled_track (true)
313 , _suspend_timecode_transmission (0)
314 , _speakers (new Speakers)
315 , _ignore_route_processor_changes (0)
320 , _vca_manager (new VCAManager (*this))
321 , _selection (new CoreSelection (*this))
322 , _global_locate_pending (false)
326 created_with = string_compose ("%1 %2", PROGRAM_NAME, revision);
328 pthread_mutex_init (&_rt_emit_mutex, 0);
329 pthread_cond_init (&_rt_emit_cond, 0);
331 pthread_mutex_init (&_auto_connect_mutex, 0);
332 pthread_cond_init (&_auto_connect_cond, 0);
334 init_name_id_counter (1); // reset for new sessions, start at 1
335 VCA::set_next_vca_number (1); // reset for new sessions, start at 1
337 pre_engine_init (fullpath); // sets _is_new
343 Stateful::loading_state_version = CURRENT_SESSION_FILE_VERSION;
345 #ifdef USE_TRACKS_CODE_FEATURES
346 sr = EngineStateController::instance()->get_current_sample_rate();
348 if (ensure_engine (sr, true)) {
350 throw SessionException (_("Cannot connect to audio/midi engine"));
353 // set samplerate for plugins added early
354 // e.g from templates or MB channelstrip
355 set_block_size (_engine.samples_per_cycle());
356 set_sample_rate (_engine.sample_rate());
358 if (create (mix_template, bus_profile)) {
360 throw SessionException (_("Session initialization failed"));
363 /* if a mix template was provided, then ::create() will
364 * have copied it into the session and we need to load it
365 * so that we have the state ready for ::set_state()
366 * after the engine is started.
368 * Note that we do NOT try to get the sample rate from
369 * the template at this time, though doing so would
370 * be easy if we decided this was an appropriate part
374 if (!mix_template.empty()) {
376 if (load_state (_current_snapshot_name)) {
377 throw SessionException (_("Failed to load template/snapshot state"));
379 } catch (PBD::unknown_enumeration& e) {
380 throw SessionException (_("Failed to parse 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 int err = post_engine_init ();
418 throw SessionException (string_compose (_("Cannot initialize session/engine: %1"), _("Failed to create background threads.")));
422 throw SessionException (string_compose (_("Cannot initialize session/engine: %1"), _("Invalid TempoMap in session-file.")));
425 throw SessionException (string_compose (_("Cannot initialize session/engine: %1"), _("Invalid or corrupt session state.")));
428 throw SessionException (string_compose (_("Cannot initialize session/engine: %1"), _("Port registration failed.")));
431 throw SessionException (string_compose (_("Cannot initialize session/engine: %1"), _("Unexpected exception during session setup, possibly invalid audio/midi engine parameters. Please see stdout/stderr for details")));
436 store_recent_sessions (_name, _path);
438 bool was_dirty = dirty();
440 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
442 PresentationInfo::Change.connect_same_thread (*this, boost::bind (&Session::notify_presentation_info_change, this));
444 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
445 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
448 DirtyChanged (); /* EMIT SIGNAL */
451 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
452 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
454 Send::ChangedLatency.connect_same_thread (*this, boost::bind (&Session::send_latency_compensation_change, this));
456 emit_thread_start ();
457 auto_connect_thread_start ();
459 /* hook us up to the engine since we are now completely constructed */
461 BootMessage (_("Connect to engine"));
463 _engine.set_session (this);
464 _engine.reset_timebase ();
466 #ifdef USE_TRACKS_CODE_FEATURES
468 EngineStateController::instance()->set_session(this);
471 if ( ARDOUR::Profile->get_trx () ) {
473 /* Waves Tracks: fill session with tracks basing on the amount of inputs.
474 * each available input must have corresponding track when session starts.
477 uint32_t how_many (0);
479 std::vector<std::string> inputs;
480 EngineStateController::instance()->get_physical_audio_inputs(inputs);
482 how_many = inputs.size();
484 list<boost::shared_ptr<AudioTrack> > tracks;
486 // Track names after driver
487 if (Config->get_tracks_auto_naming() == NameAfterDriver) {
488 string track_name = "";
489 for (std::vector<string>::size_type i = 0; i < inputs.size(); ++i) {
491 track_name = inputs[i];
492 replace_all (track_name, "system:capture", "");
494 list<boost::shared_ptr<AudioTrack> > single_track = new_audio_track (1, 1, Normal, 0, 1, track_name);
495 tracks.insert(tracks.begin(), single_track.front());
497 } else { // Default track names
498 tracks = new_audio_track (1, 1, Normal, 0, how_many, string());
501 if (tracks.size() != how_many) {
503 throw failed_constructor ();
509 ensure_subdirs (); // archived or zipped sessions may lack peaks/ analysis/ etc
511 if (!mix_template.empty ()) {
512 /* ::create() unsets _is_new after creating the session.
513 * But for templated sessions, the sample-rate is initially unset
514 * (not read from template), so we need to save it (again).
522 BootMessage (_("Session loading complete"));
534 Session::next_name_id ()
536 return g_atomic_int_add (&_name_id_counter, 1);
540 Session::name_id_counter ()
542 return g_atomic_int_get (&_name_id_counter);
546 Session::init_name_id_counter (guint n)
548 g_atomic_int_set (&_name_id_counter, n);
552 Session::ensure_engine (uint32_t desired_sample_rate, bool isnew)
554 if (_engine.current_backend() == 0) {
555 /* backend is unknown ... */
556 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
557 if (r.get_value_or (-1) != 0) {
560 } else if (!isnew && _engine.running() && _engine.sample_rate () == desired_sample_rate) {
562 } else if (_engine.setup_required()) {
563 /* backend is known, but setup is needed */
564 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
565 if (r.get_value_or (-1) != 0) {
568 } else if (!_engine.running()) {
569 if (_engine.start()) {
574 /* at this point the engine should be running */
576 if (!_engine.running()) {
580 return immediately_post_engine ();
585 Session::immediately_post_engine ()
587 /* Do various initializations that should take place directly after we
588 * know that the engine is running, but before we either create a
589 * session or set state for an existing one.
592 _rt_tasklist.reset (new RTTaskList ());
594 if (how_many_dsp_threads () > 1) {
595 /* For now, only create the graph if we are using >1 DSP threads, as
596 it is a bit slower than the old code with 1 thread.
598 _process_graph.reset (new Graph (*this));
601 /* every time we reconnect, recompute worst case output latencies */
603 _engine.Running.connect_same_thread (*this, boost::bind (&Session::initialize_latencies, this));
605 if (synced_to_engine()) {
606 _engine.transport_stop ();
609 if (config.get_jack_time_master()) {
610 _engine.transport_locate (_transport_sample);
614 BootMessage (_("Set up LTC"));
616 BootMessage (_("Set up Click"));
618 BootMessage (_("Set up standard connections"));
622 catch (failed_constructor& err) {
626 /* TODO, connect in different thread. (PortRegisteredOrUnregistered may be in RT context)
628 _engine.PortRegisteredOrUnregistered.connect_same_thread (*this, boost::bind (&Session::setup_bundles, this));
636 vector<void*> debug_pointers;
638 /* if we got to here, leaving pending capture state around
642 remove_pending_capture_state ();
646 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
649 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
653 /* disconnect from any and all signals that we are connected to */
655 Port::PortSignalDrop (); /* EMIT SIGNAL */
658 /* shutdown control surface protocols while we still have ports
659 * and the engine to move data to any devices.
662 /* remove I/O objects before unsetting the engine session */
664 _ltc_output.reset ();
666 ControlProtocolManager::instance().drop_protocols ();
668 /* stop auto dis/connecting */
669 auto_connect_thread_terminate ();
671 MIDI::Name::MidiPatchManager::instance().remove_search_path(session_directory().midi_patch_path());
673 _engine.remove_session ();
675 #ifdef USE_TRACKS_CODE_FEATURES
676 EngineStateController::instance()->remove_session();
679 /* deregister all ports - there will be no process or any other
680 * callbacks from the engine any more.
683 Port::PortDrop (); /* EMIT SIGNAL */
685 /* clear history so that no references to objects are held any more */
689 /* clear state tree so that no references to objects are held any more */
695 /* unregister all lua functions, drop held references (if any) */
696 Glib::Threads::Mutex::Lock tm (lua_lock, Glib::Threads::TRY_LOCK);
698 lua.do_command ("Session = nil");
706 lua.collect_garbage ();
709 /* reset dynamic state version back to default */
710 Stateful::loading_state_version = 0;
712 _butler->drop_references ();
716 delete _all_route_group;
718 DEBUG_TRACE (DEBUG::Destruction, "delete route groups\n");
719 for (list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
723 if (click_data != default_click) {
724 delete [] click_data;
727 if (click_emphasis_data != default_click_emphasis) {
728 delete [] click_emphasis_data;
733 /* need to remove auditioner before monitoring section
734 * otherwise it is re-connected.
735 * Note: If a session was never successfully loaded, there
736 * may not yet be an auditioner.
739 auditioner->drop_references ();
743 /* drop references to routes held by the monitoring section
744 * specifically _monitor_out aux/listen references */
745 remove_monitor_section();
747 /* clear out any pending dead wood from RCU managed objects */
752 DiskReader::free_working_buffers();
754 /* tell everyone who is still standing that we're about to die */
757 /* tell everyone to drop references and delete objects as we go */
759 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
760 RegionFactory::delete_all_regions ();
762 /* Do this early so that VCAs no longer hold references to routes */
764 DEBUG_TRACE (DEBUG::Destruction, "delete vcas\n");
767 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
769 /* reset these three references to special routes before we do the usual route delete thing */
771 _master_out.reset ();
772 _monitor_out.reset ();
775 RCUWriter<RouteList> writer (routes);
776 boost::shared_ptr<RouteList> r = writer.get_copy ();
778 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
779 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
780 (*i)->drop_references ();
784 /* writer goes out of scope and updates master */
789 DEBUG_TRACE (DEBUG::Destruction, "delete sources\n");
790 Glib::Threads::Mutex::Lock lm (source_lock);
791 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
792 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for source %1 ; pre-ref = %2\n", i->second->name(), i->second.use_count()));
793 i->second->drop_references ();
799 /* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
802 emit_thread_terminate ();
804 pthread_cond_destroy (&_rt_emit_cond);
805 pthread_mutex_destroy (&_rt_emit_mutex);
807 pthread_cond_destroy (&_auto_connect_cond);
808 pthread_mutex_destroy (&_auto_connect_mutex);
810 delete _scene_changer; _scene_changer = 0;
811 delete midi_control_ui; midi_control_ui = 0;
813 delete _mmc; _mmc = 0;
814 delete _midi_ports; _midi_ports = 0;
815 delete _locations; _locations = 0;
820 /* clear event queue, the session is gone, nobody is interested in
821 * those anymore, but they do leak memory if not removed
823 while (!immediate_events.empty ()) {
824 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
825 SessionEvent *ev = immediate_events.front ();
826 DEBUG_TRACE (DEBUG::SessionEvents, string_compose ("Drop event: %1\n", enum_2_string (ev->type)));
827 immediate_events.pop_front ();
831 case SessionEvent::AutoLoop:
832 case SessionEvent::Skip:
833 case SessionEvent::PunchIn:
834 case SessionEvent::PunchOut:
835 case SessionEvent::StopOnce:
836 case SessionEvent::RangeStop:
837 case SessionEvent::RangeLocate:
841 case SessionEvent::RealTimeOperation:
848 del = del && !_remove_event (ev);
856 /* unregister all dropped ports, process pending port deletion. */
857 // this may call ARDOUR::Port::drop ... jack_port_unregister ()
858 // jack1 cannot cope with removing ports while processing
859 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
860 AudioEngine::instance()->clear_pending_port_deletions ();
863 DEBUG_TRACE (DEBUG::Destruction, "delete selection\n");
867 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
869 BOOST_SHOW_POINTERS ();
873 Session::setup_ltc ()
877 _ltc_output.reset (new IO (*this, X_("LTC Out"), IO::Output));
879 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC Out"))) != 0) {
880 _ltc_output->set_state (*(child->children().front()), Stateful::loading_state_version);
883 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
884 _ltc_output->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
885 // TODO use auto-connect thread
886 reconnect_ltc_output ();
890 /* fix up names of LTC ports because we don't want the normal
891 * IO style of NAME/TYPE-{in,out}N
894 _ltc_output->nth (0)->set_name (X_("LTC-out"));
898 Session::setup_click ()
902 boost::shared_ptr<AutomationList> gl (new AutomationList (Evoral::Parameter (GainAutomation)));
903 boost::shared_ptr<GainControl> gain_control = boost::shared_ptr<GainControl> (new GainControl (*this, Evoral::Parameter(GainAutomation), gl));
905 _click_io.reset (new ClickIO (*this, X_("Click")));
906 _click_gain.reset (new Amp (*this, _("Fader"), gain_control, true));
907 _click_gain->activate ();
909 setup_click_state (state_tree->root());
911 setup_click_state (0);
916 Session::setup_click_state (const XMLNode* node)
918 const XMLNode* child = 0;
920 if (node && (child = find_named_node (*node, "Click")) != 0) {
922 /* existing state for Click */
925 if (Stateful::loading_state_version < 3000) {
926 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
928 const XMLNodeList& children (child->children());
929 XMLNodeList::const_iterator i = children.begin();
930 if ((c = _click_io->set_state (**i, Stateful::loading_state_version)) == 0) {
932 if (i != children.end()) {
933 c = _click_gain->set_state (**i, Stateful::loading_state_version);
939 _clicking = Config->get_clicking ();
943 error << _("could not setup Click I/O") << endmsg;
950 /* default state for Click: dual-mono to first 2 physical outputs */
953 _engine.get_physical_outputs (DataType::AUDIO, outs);
955 for (uint32_t physport = 0; physport < 2; ++physport) {
956 if (outs.size() > physport) {
957 if (_click_io->add_port (outs[physport], this)) {
958 // relax, even though its an error
963 if (_click_io->n_ports () > ChanCount::ZERO) {
964 _clicking = Config->get_clicking ();
970 Session::get_physical_ports (vector<string>& inputs, vector<string>& outputs, DataType type,
971 MidiPortFlags include, MidiPortFlags exclude)
973 _engine.get_physical_inputs (type, inputs, include, exclude);
974 _engine.get_physical_outputs (type, outputs, include, exclude);
978 Session::setup_bundles ()
982 RCUWriter<BundleList> writer (_bundles);
983 boost::shared_ptr<BundleList> b = writer.get_copy ();
984 for (BundleList::iterator i = b->begin(); i != b->end();) {
985 if (boost::dynamic_pointer_cast<UserBundle>(*i)) {
993 vector<string> inputs[DataType::num_types];
994 vector<string> outputs[DataType::num_types];
996 for (uint32_t i = 0; i < DataType::num_types; ++i) {
997 get_physical_ports (inputs[i], outputs[i], DataType (DataType::Symbol (i)),
998 MidiPortFlags (0), /* no specific inclusions */
999 MidiPortFlags (MidiPortControl|MidiPortVirtual) /* exclude control & virtual ports */
1003 /* Create a set of Bundle objects that map
1004 to the physical I/O currently available. We create both
1005 mono and stereo bundles, so that the common cases of mono
1006 and stereo tracks get bundles to put in their mixer strip
1007 in / out menus. There may be a nicer way of achieving that;
1008 it doesn't really scale that well to higher channel counts
1011 /* mono output bundles */
1013 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
1015 std::string pn = _engine.get_pretty_name_by_name (outputs[DataType::AUDIO][np]);
1017 snprintf (buf, sizeof (buf), _("out %s"), pn.c_str());
1019 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
1022 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
1023 c->add_channel (_("mono"), DataType::AUDIO);
1024 c->set_port (0, outputs[DataType::AUDIO][np]);
1026 add_bundle (c, false);
1029 /* stereo output bundles */
1031 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
1032 if (np + 1 < outputs[DataType::AUDIO].size()) {
1034 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
1035 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
1036 c->add_channel (_("L"), DataType::AUDIO);
1037 c->set_port (0, outputs[DataType::AUDIO][np]);
1038 c->add_channel (_("R"), DataType::AUDIO);
1039 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
1041 add_bundle (c, false);
1045 /* mono input bundles */
1047 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
1049 std::string pn = _engine.get_pretty_name_by_name (inputs[DataType::AUDIO][np]);
1051 snprintf (buf, sizeof (buf), _("in %s"), pn.c_str());
1053 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
1056 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
1057 c->add_channel (_("mono"), DataType::AUDIO);
1058 c->set_port (0, inputs[DataType::AUDIO][np]);
1060 add_bundle (c, false);
1063 /* stereo input bundles */
1065 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
1066 if (np + 1 < inputs[DataType::AUDIO].size()) {
1068 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
1070 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
1071 c->add_channel (_("L"), DataType::AUDIO);
1072 c->set_port (0, inputs[DataType::AUDIO][np]);
1073 c->add_channel (_("R"), DataType::AUDIO);
1074 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
1076 add_bundle (c, false);
1080 /* MIDI input bundles */
1082 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
1083 string n = inputs[DataType::MIDI][np];
1085 std::string pn = _engine.get_pretty_name_by_name (n);
1089 boost::erase_first (n, X_("alsa_pcm:"));
1091 boost::shared_ptr<Bundle> c (new Bundle (n, false));
1092 c->add_channel ("", DataType::MIDI);
1093 c->set_port (0, inputs[DataType::MIDI][np]);
1094 add_bundle (c, false);
1097 /* MIDI output bundles */
1099 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
1100 string n = outputs[DataType::MIDI][np];
1101 std::string pn = _engine.get_pretty_name_by_name (n);
1105 boost::erase_first (n, X_("alsa_pcm:"));
1107 boost::shared_ptr<Bundle> c (new Bundle (n, true));
1108 c->add_channel ("", DataType::MIDI);
1109 c->set_port (0, outputs[DataType::MIDI][np]);
1110 add_bundle (c, false);
1113 // we trust the backend to only calls us if there's a change
1114 BundleAddedOrRemoved (); /* EMIT SIGNAL */
1118 Session::auto_connect_master_bus ()
1120 if (!_master_out || !Config->get_auto_connect_standard_busses() || _monitor_out) {
1124 // Waves Tracks: Do not connect master bas for Tracks if AutoConnectMaster option is not set
1125 // In this case it means "Multi Out" output mode
1126 if (ARDOUR::Profile->get_trx() && !(Config->get_output_auto_connect() & AutoConnectMaster) ) {
1130 /* if requested auto-connect the outputs to the first N physical ports.
1133 uint32_t limit = _master_out->n_outputs().n_total();
1134 vector<string> outputs[DataType::num_types];
1136 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1137 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1140 for (uint32_t n = 0; n < limit; ++n) {
1141 boost::shared_ptr<Port> p = _master_out->output()->nth (n);
1143 if (outputs[p->type()].size() > n) {
1144 connect_to = outputs[p->type()][n];
1147 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
1148 if (_master_out->output()->connect (p, connect_to, this)) {
1149 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
1158 Session::remove_monitor_section ()
1160 if (!_monitor_out || Profile->get_trx()) {
1164 /* force reversion to Solo-In-Place */
1165 Config->set_solo_control_is_listen_control (false);
1167 /* if we are auditioning, cancel it ... this is a workaround
1168 to a problem (auditioning does not execute the process graph,
1169 which is needed to remove routes when using >1 core for processing)
1174 /* Hold process lock while doing this so that we don't hear bits and
1175 * pieces of audio as we work on each route.
1178 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1180 /* Connect tracks to monitor section. Note that in an
1181 existing session, the internal sends will already exist, but we want the
1182 routes to notice that they connect to the control out specifically.
1186 boost::shared_ptr<RouteList> r = routes.reader ();
1187 ProcessorChangeBlocker pcb (this, false);
1189 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
1191 if ((*x)->is_monitor()) {
1193 } else if ((*x)->is_master()) {
1196 (*x)->remove_aux_or_listen (_monitor_out);
1201 remove_route (_monitor_out);
1202 if (_state_of_the_state & Deletion) {
1206 auto_connect_master_bus ();
1209 auditioner->connect ();
1212 Config->ParameterChanged ("use-monitor-bus");
1216 Session::add_monitor_section ()
1220 if (_monitor_out || !_master_out || Profile->get_trx()) {
1224 boost::shared_ptr<Route> r (new Route (*this, _("Monitor"), PresentationInfo::MonitorOut, DataType::AUDIO));
1230 BOOST_MARK_ROUTE(r);
1233 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1234 r->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1235 r->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1237 error << _("Cannot create monitor section. 'Monitor' Port name is not unique.") << endmsg;
1242 add_routes (rl, false, false, false, 0);
1244 assert (_monitor_out);
1246 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
1247 are undefined, at best.
1250 uint32_t limit = _monitor_out->n_inputs().n_audio();
1254 /* connect the inputs to the master bus outputs. this
1255 * represents a separate data feed from the internal sends from
1256 * each route. as of jan 2011, it allows the monitor section to
1257 * conditionally ignore either the internal sends or the normal
1258 * input feed, but we should really find a better way to do
1262 _master_out->output()->disconnect (this);
1264 for (uint32_t n = 0; n < limit; ++n) {
1265 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1266 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1269 string connect_to = o->name();
1270 if (_monitor_out->input()->connect (p, connect_to, this)) {
1271 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1279 /* if monitor section is not connected, connect it to physical outs
1282 if ((Config->get_auto_connect_standard_busses () || Profile->get_mixbus ()) && !_monitor_out->output()->connected ()) {
1284 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1286 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1289 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1291 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1292 Config->get_monitor_bus_preferred_bundle())
1298 /* Monitor bus is audio only */
1300 vector<string> outputs[DataType::num_types];
1302 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1303 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1306 uint32_t mod = outputs[DataType::AUDIO].size();
1307 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1311 for (uint32_t n = 0; n < limit; ++n) {
1313 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1315 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1316 connect_to = outputs[DataType::AUDIO][n % mod];
1319 if (!connect_to.empty()) {
1320 if (_monitor_out->output()->connect (p, connect_to, this)) {
1321 error << string_compose (
1322 _("cannot connect control output %1 to %2"),
1333 /* Hold process lock while doing this so that we don't hear bits and
1334 * pieces of audio as we work on each route.
1337 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1339 /* Connect tracks to monitor section. Note that in an
1340 existing session, the internal sends will already exist, but we want the
1341 routes to notice that they connect to the control out specifically.
1345 boost::shared_ptr<RouteList> rls = routes.reader ();
1347 ProcessorChangeBlocker pcb (this, false /* XXX */);
1349 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1351 if ((*x)->is_monitor()) {
1353 } else if ((*x)->is_master()) {
1356 (*x)->enable_monitor_send ();
1361 auditioner->connect ();
1363 Config->ParameterChanged ("use-monitor-bus");
1367 Session::reset_monitor_section ()
1369 /* Process lock should be held by the caller.*/
1371 if (!_monitor_out || Profile->get_trx()) {
1375 uint32_t limit = _master_out->n_outputs().n_audio();
1377 /* connect the inputs to the master bus outputs. this
1378 * represents a separate data feed from the internal sends from
1379 * each route. as of jan 2011, it allows the monitor section to
1380 * conditionally ignore either the internal sends or the normal
1381 * input feed, but we should really find a better way to do
1385 _master_out->output()->disconnect (this);
1386 _monitor_out->output()->disconnect (this);
1388 // monitor section follow master bus - except midi
1389 ChanCount mon_chn (_master_out->output()->n_ports());
1390 mon_chn.set_midi (0);
1392 _monitor_out->input()->ensure_io (mon_chn, false, this);
1393 _monitor_out->output()->ensure_io (mon_chn, false, this);
1395 for (uint32_t n = 0; n < limit; ++n) {
1396 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1397 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1400 string connect_to = o->name();
1401 if (_monitor_out->input()->connect (p, connect_to, this)) {
1402 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1409 /* connect monitor section to physical outs
1412 if (Config->get_auto_connect_standard_busses()) {
1414 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1416 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1419 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1421 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1422 Config->get_monitor_bus_preferred_bundle())
1428 /* Monitor bus is audio only */
1430 vector<string> outputs[DataType::num_types];
1432 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1433 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1436 uint32_t mod = outputs[DataType::AUDIO].size();
1437 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1441 for (uint32_t n = 0; n < limit; ++n) {
1443 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1445 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1446 connect_to = outputs[DataType::AUDIO][n % mod];
1449 if (!connect_to.empty()) {
1450 if (_monitor_out->output()->connect (p, connect_to, this)) {
1451 error << string_compose (
1452 _("cannot connect control output %1 to %2"),
1463 /* Connect tracks to monitor section. Note that in an
1464 existing session, the internal sends will already exist, but we want the
1465 routes to notice that they connect to the control out specifically.
1469 boost::shared_ptr<RouteList> rls = routes.reader ();
1471 ProcessorChangeBlocker pcb (this, false);
1473 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1475 if ((*x)->is_monitor()) {
1477 } else if ((*x)->is_master()) {
1480 (*x)->enable_monitor_send ();
1486 Session::add_master_bus (ChanCount const& count)
1488 if (master_out ()) {
1494 boost::shared_ptr<Route> r (new Route (*this, _("Master"), PresentationInfo::MasterOut, DataType::AUDIO));
1499 BOOST_MARK_ROUTE(r);
1502 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1503 r->input()->ensure_io (count, false, this);
1504 r->output()->ensure_io (count, false, this);
1508 add_routes (rl, false, false, false, PresentationInfo::max_order);
1513 Session::hookup_io ()
1515 /* stop graph reordering notifications from
1516 causing resorts, etc.
1519 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
1523 /* we delay creating the auditioner till now because
1524 it makes its own connections to ports.
1528 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
1530 throw failed_constructor ();
1535 catch (failed_constructor& err) {
1536 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
1540 /* load bundles, which we may have postponed earlier on */
1541 if (_bundle_xml_node) {
1542 load_bundles (*_bundle_xml_node);
1543 delete _bundle_xml_node;
1546 /* Tell all IO objects to connect themselves together */
1548 IO::enable_connecting ();
1550 /* Now tell all "floating" ports to connect to whatever
1551 they should be connected to.
1554 AudioEngine::instance()->reconnect_ports ();
1556 /* Anyone who cares about input state, wake up and do something */
1558 IOConnectionsComplete (); /* EMIT SIGNAL */
1560 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
1562 /* now handle the whole enchilada as if it was one
1563 graph reorder event.
1568 /* update the full solo state, which can't be
1569 correctly determined on a per-route basis, but
1570 needs the global overview that only the session
1574 update_route_solo_state ();
1578 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
1580 boost::shared_ptr<Track> track = wp.lock ();
1585 boost::shared_ptr<Playlist> playlist;
1587 if ((playlist = track->playlist()) != 0) {
1588 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
1589 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
1590 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
1595 Session::record_enabling_legal () const
1597 /* this used to be in here, but survey says.... we don't need to restrict it */
1598 // if (record_status() == Recording) {
1602 if (Config->get_all_safe()) {
1609 Session::set_track_monitor_input_status (bool yn)
1611 boost::shared_ptr<RouteList> rl = routes.reader ();
1612 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1613 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
1614 if (tr && tr->rec_enable_control()->get_value()) {
1615 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
1616 tr->request_input_monitoring (yn);
1622 Session::auto_punch_start_changed (Location* location)
1624 replace_event (SessionEvent::PunchIn, location->start());
1626 if (get_record_enabled() && config.get_punch_in() && !actively_recording ()) {
1627 /* capture start has been changed, so save new pending state */
1628 save_state ("", true);
1633 Session::auto_punch_end_changed (Location* location)
1635 replace_event (SessionEvent::PunchOut, location->end());
1639 Session::auto_punch_changed (Location* location)
1641 auto_punch_start_changed (location);
1642 auto_punch_end_changed (location);
1645 /** @param loc A loop location.
1646 * @param pos Filled in with the start time of the required fade-out (in session samples).
1647 * @param length Filled in with the length of the required fade-out.
1650 Session::auto_loop_declick_range (Location* loc, samplepos_t & pos, samplepos_t & length)
1652 pos = max (loc->start(), loc->end() - 64);
1653 length = loc->end() - pos;
1657 Session::auto_loop_changed (Location* location)
1659 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
1662 auto_loop_declick_range (location, dcp, dcl);
1664 bool rolling = transport_rolling ();
1666 if (rolling && play_loop) {
1668 if (_transport_sample < location->start() || _transport_sample > location->end()) {
1669 // relocate to beginning of loop
1670 clear_events (SessionEvent::LocateRoll);
1671 request_locate (location->start(), true);
1675 clear_events (SessionEvent::AutoLoop);
1678 /* possibly move playhead if not rolling; if we are rolling we'll move
1679 to the loop start on stop if that is appropriate.
1684 if (!rolling && select_playhead_priority_target (pos)) {
1685 if (pos == location->start()) {
1686 request_locate (pos);
1690 last_loopend = location->end();
1695 Session::set_auto_punch_location (Location* location)
1699 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
1700 punch_connections.drop_connections();
1701 existing->set_auto_punch (false, this);
1702 clear_events (SessionEvent::PunchIn);
1703 clear_events (SessionEvent::PunchOut);
1704 auto_punch_location_changed (0);
1709 if (location == 0) {
1713 if (location->end() <= location->start()) {
1714 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1718 punch_connections.drop_connections ();
1720 location->StartChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, location));
1721 location->EndChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, location));
1722 location->Changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, location));
1724 location->set_auto_punch (true, this);
1726 auto_punch_changed (location);
1728 auto_punch_location_changed (location);
1732 Session::set_session_extents (samplepos_t start, samplepos_t end)
1735 if ((existing = _locations->session_range_location()) == 0) {
1736 //if there is no existing session, we need to make a new session location (should never happen)
1737 existing = new Location (*this, 0, 0, _("session"), Location::IsSessionRange, 0);
1741 error << _("Session: you can't use that location for session start/end)") << endmsg;
1745 existing->set( start, end );
1751 Session::set_auto_loop_location (Location* location)
1755 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
1756 loop_connections.drop_connections ();
1757 existing->set_auto_loop (false, this);
1758 remove_event (existing->end(), SessionEvent::AutoLoop);
1761 auto_loop_declick_range (existing, dcp, dcl);
1762 auto_loop_location_changed (0);
1767 if (location == 0) {
1771 if (location->end() <= location->start()) {
1772 error << _("You cannot use this location for auto-loop because it has zero or negative length") << endmsg;
1776 last_loopend = location->end();
1778 loop_connections.drop_connections ();
1780 location->StartChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1781 location->EndChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1782 location->Changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1783 location->FlagsChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1785 location->set_auto_loop (true, this);
1787 if (Config->get_loop_is_mode() && play_loop && Config->get_seamless_loop()) {
1788 // set all tracks to use internal looping
1789 boost::shared_ptr<RouteList> rl = routes.reader ();
1790 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1791 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1792 if (tr && !tr->is_private_route()) {
1793 tr->set_loop (location);
1798 /* take care of our stuff first */
1800 auto_loop_changed (location);
1802 /* now tell everyone else */
1804 auto_loop_location_changed (location);
1808 Session::update_marks (Location*)
1814 Session::update_skips (Location* loc, bool consolidate)
1816 if (_ignore_skips_updates) {
1820 Locations::LocationList skips;
1823 PBD::Unwinder<bool> uw (_ignore_skips_updates, true);
1824 consolidate_skips (loc);
1827 sync_locations_to_skips ();
1833 Session::consolidate_skips (Location* loc)
1835 Locations::LocationList all_locations = _locations->list ();
1837 for (Locations::LocationList::iterator l = all_locations.begin(); l != all_locations.end(); ) {
1839 if (!(*l)->is_skip ()) {
1844 /* don't test against self */
1851 switch (Evoral::coverage ((*l)->start(), (*l)->end(), loc->start(), loc->end())) {
1852 case Evoral::OverlapInternal:
1853 case Evoral::OverlapExternal:
1854 case Evoral::OverlapStart:
1855 case Evoral::OverlapEnd:
1856 /* adjust new location to cover existing one */
1857 loc->set_start (min (loc->start(), (*l)->start()));
1858 loc->set_end (max (loc->end(), (*l)->end()));
1859 /* we don't need this one any more */
1860 _locations->remove (*l);
1861 /* the location has been deleted, so remove reference to it in our local list */
1862 l = all_locations.erase (l);
1865 case Evoral::OverlapNone:
1873 Session::sync_locations_to_skips ()
1875 /* This happens asynchronously (in the audioengine thread). After the clear is done, we will call
1876 * Session::_sync_locations_to_skips() from the audioengine thread.
1878 clear_events (SessionEvent::Skip, boost::bind (&Session::_sync_locations_to_skips, this));
1882 Session::_sync_locations_to_skips ()
1884 /* called as a callback after existing Skip events have been cleared from a realtime audioengine thread */
1886 Locations::LocationList const & locs (_locations->list());
1888 for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
1890 Location* location = *i;
1892 if (location->is_skip() && location->is_skipping()) {
1893 SessionEvent* ev = new SessionEvent (SessionEvent::Skip, SessionEvent::Add, location->start(), location->end(), 1.0);
1901 Session::location_added (Location *location)
1903 if (location->is_auto_punch()) {
1904 set_auto_punch_location (location);
1907 if (location->is_auto_loop()) {
1908 set_auto_loop_location (location);
1911 if (location->is_session_range()) {
1912 /* no need for any signal handling or event setting with the session range,
1913 because we keep a direct reference to it and use its start/end directly.
1915 _session_range_location = location;
1918 if (location->is_mark()) {
1919 /* listen for per-location signals that require us to do any * global updates for marks */
1921 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1922 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1923 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1924 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1925 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1928 if (location->is_range_marker()) {
1929 /* listen for per-location signals that require us to do any * global updates for marks */
1931 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1932 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1933 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1934 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1935 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1938 if (location->is_skip()) {
1939 /* listen for per-location signals that require us to update skip-locate events */
1941 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1942 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1943 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1944 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, false));
1945 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1947 update_skips (location, true);
1954 Session::location_removed (Location *location)
1956 if (location->is_auto_loop()) {
1957 set_auto_loop_location (0);
1959 set_track_loop (false);
1964 if (location->is_auto_punch()) {
1965 set_auto_punch_location (0);
1968 if (location->is_session_range()) {
1969 /* this is never supposed to happen */
1970 error << _("programming error: session range removed!") << endl;
1973 if (location->is_skip()) {
1975 update_skips (location, false);
1982 Session::locations_changed ()
1984 _locations->apply (*this, &Session::_locations_changed);
1988 Session::_locations_changed (const Locations::LocationList& locations)
1990 /* There was some mass-change in the Locations object.
1992 We might be re-adding a location here but it doesn't actually matter
1993 for all the locations that the Session takes an interest in.
1997 PBD::Unwinder<bool> protect_ignore_skip_updates (_ignore_skips_updates, true);
1998 for (Locations::LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
1999 location_added (*i);
2003 update_skips (NULL, false);
2007 Session::enable_record ()
2009 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
2010 /* no recording at anything except normal speed */
2015 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
2017 if (rs == Recording) {
2021 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
2023 _last_record_location = _transport_sample;
2024 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
2026 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2027 set_track_monitor_input_status (true);
2030 RecordStateChanged ();
2037 Session::set_all_tracks_record_enabled (bool enable )
2039 boost::shared_ptr<RouteList> rl = routes.reader();
2040 set_controls (route_list_to_control_list (rl, &Stripable::rec_enable_control), enable, Controllable::NoGroup);
2044 Session::disable_record (bool rt_context, bool force)
2048 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
2050 if (!Config->get_latched_record_enable () || force) {
2051 g_atomic_int_set (&_record_status, Disabled);
2052 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
2054 if (rs == Recording) {
2055 g_atomic_int_set (&_record_status, Enabled);
2059 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2060 set_track_monitor_input_status (false);
2063 RecordStateChanged (); /* emit signal */
2066 remove_pending_capture_state ();
2072 Session::step_back_from_record ()
2074 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
2076 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2077 set_track_monitor_input_status (false);
2080 RecordStateChanged (); /* emit signal */
2085 Session::maybe_enable_record (bool rt_context)
2087 if (_step_editors > 0) {
2091 g_atomic_int_set (&_record_status, Enabled);
2093 /* This function is currently called from somewhere other than an RT thread.
2094 * (except maybe lua scripts, which can use rt_context = true)
2095 * This save_state() call therefore doesn't impact anything. Doing it here
2096 * means that we save pending state of which sources the next record will use,
2097 * which gives us some chance of recovering from a crash during the record.
2101 save_state ("", true);
2104 if (_transport_speed) {
2105 if (!config.get_punch_in()) {
2109 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
2110 RecordStateChanged (); /* EMIT SIGNAL */
2117 Session::audible_sample (bool* latent_locate) const
2119 if (latent_locate) {
2120 *latent_locate = false;
2125 if (synced_to_engine()) {
2126 /* Note: this is basically just sync-to-JACK */
2127 ret = _engine.transport_sample();
2129 ret = _transport_sample;
2134 if (!transport_rolling()) {
2138 #if 0 // TODO looping
2139 if (_transport_speed > 0.0f) {
2140 if (play_loop && have_looped) {
2141 /* the play-position wrapped at the loop-point
2142 * ardour is already playing the beginning of the loop,
2143 * but due to playback latency, the "audible frame"
2144 * is still at the end of the loop.
2146 Location *location = _locations->auto_loop_location();
2147 sampleoffset_t lo = location->start() - ret;
2149 ret = location->end () - lo;
2150 if (latent_locate) {
2151 *latent_locate = true;
2155 } else if (_transport_speed < 0.0f) {
2156 /* XXX wot? no backward looping? */
2160 return std::max ((samplepos_t)0, ret);
2164 Session::preroll_samples (samplepos_t pos) const
2166 const float pr = Config->get_preroll_seconds();
2167 if (pos >= 0 && pr < 0) {
2168 const Tempo& tempo = _tempo_map->tempo_at_sample (pos);
2169 const Meter& meter = _tempo_map->meter_at_sample (pos);
2170 return meter.samples_per_bar (tempo, sample_rate()) * -pr;
2175 return pr * sample_rate();
2179 Session::set_sample_rate (samplecnt_t frames_per_second)
2181 /** \fn void Session::set_sample_size(samplecnt_t)
2182 the AudioEngine object that calls this guarantees
2183 that it will not be called while we are also in
2184 ::process(). Its fine to do things that block
2188 if (_base_sample_rate == 0) {
2189 _base_sample_rate = frames_per_second;
2191 else if (_base_sample_rate != frames_per_second && frames_per_second != _nominal_sample_rate) {
2192 NotifyAboutSampleRateMismatch (_base_sample_rate, frames_per_second);
2194 _nominal_sample_rate = frames_per_second;
2199 reset_write_sources (false);
2201 // XXX we need some equivalent to this, somehow
2202 // SndFileSource::setup_standard_crossfades (frames_per_second);
2206 /* XXX need to reset/reinstantiate all LADSPA plugins */
2210 Session::set_block_size (pframes_t nframes)
2212 /* the AudioEngine guarantees
2213 that it will not be called while we are also in
2214 ::process(). It is therefore fine to do things that block
2219 current_block_size = nframes;
2223 boost::shared_ptr<RouteList> r = routes.reader ();
2225 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2226 (*i)->set_block_size (nframes);
2229 boost::shared_ptr<RouteList> rl = routes.reader ();
2230 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2231 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2233 tr->set_block_size (nframes);
2237 set_worst_io_latencies ();
2243 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
2245 boost::shared_ptr<Route> r2;
2247 if (r1->feeds (rbase) && rbase->feeds (r1)) {
2248 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
2252 /* make a copy of the existing list of routes that feed r1 */
2254 Route::FedBy existing (r1->fed_by());
2256 /* for each route that feeds r1, recurse, marking it as feeding
2260 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
2261 if (!(r2 = i->r.lock ())) {
2262 /* (*i) went away, ignore it */
2266 /* r2 is a route that feeds r1 which somehow feeds base. mark
2267 base as being fed by r2
2270 rbase->add_fed_by (r2, i->sends_only);
2274 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
2278 if (r1->feeds (r2) && r2->feeds (r1)) {
2282 /* now recurse, so that we can mark base as being fed by
2283 all routes that feed r2
2286 trace_terminal (r2, rbase);
2293 Session::resort_routes ()
2295 /* don't do anything here with signals emitted
2296 by Routes during initial setup or while we
2297 are being destroyed.
2300 if (_state_of_the_state & (InitialConnecting | Deletion)) {
2304 if (_route_deletion_in_progress) {
2309 RCUWriter<RouteList> writer (routes);
2310 boost::shared_ptr<RouteList> r = writer.get_copy ();
2311 resort_routes_using (r);
2312 /* writer goes out of scope and forces update */
2316 if (DEBUG_ENABLED(DEBUG::Graph)) {
2317 boost::shared_ptr<RouteList> rl = routes.reader ();
2318 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2319 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
2321 const Route::FedBy& fb ((*i)->fed_by());
2323 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
2324 boost::shared_ptr<Route> sf = f->r.lock();
2326 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
2335 /** This is called whenever we need to rebuild the graph of how we will process
2337 * @param r List of routes, in any order.
2341 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
2343 /* We are going to build a directed graph of our routes;
2344 this is where the edges of that graph are put.
2349 /* Go through all routes doing two things:
2351 * 1. Collect the edges of the route graph. Each of these edges
2352 * is a pair of routes, one of which directly feeds the other
2353 * either by a JACK connection or by an internal send.
2355 * 2. Begin the process of making routes aware of which other
2356 * routes directly or indirectly feed them. This information
2357 * is used by the solo code.
2360 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2362 /* Clear out the route's list of direct or indirect feeds */
2363 (*i)->clear_fed_by ();
2365 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
2367 bool via_sends_only;
2369 /* See if this *j feeds *i according to the current state of the JACK
2370 connections and internal sends.
2372 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
2373 /* add the edge to the graph (part #1) */
2374 edges.add (*j, *i, via_sends_only);
2375 /* tell the route (for part #2) */
2376 (*i)->add_fed_by (*j, via_sends_only);
2381 /* Attempt a topological sort of the route graph */
2382 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
2384 if (sorted_routes) {
2385 /* We got a satisfactory topological sort, so there is no feedback;
2388 Note: the process graph rechain does not require a
2389 topologically-sorted list, but hey ho.
2391 if (_process_graph) {
2392 _process_graph->rechain (sorted_routes, edges);
2395 _current_route_graph = edges;
2397 /* Complete the building of the routes' lists of what directly
2398 or indirectly feeds them.
2400 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2401 trace_terminal (*i, *i);
2404 *r = *sorted_routes;
2407 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
2408 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2409 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 presentation order %2\n", (*i)->name(), (*i)->presentation_info().order()));
2413 SuccessfulGraphSort (); /* EMIT SIGNAL */
2416 /* The topological sort failed, so we have a problem. Tell everyone
2417 and stick to the old graph; this will continue to be processed, so
2418 until the feedback is fixed, what is played back will not quite
2419 reflect what is actually connected. Note also that we do not
2420 do trace_terminal here, as it would fail due to an endless recursion,
2421 so the solo code will think that everything is still connected
2425 FeedbackDetected (); /* EMIT SIGNAL */
2430 /** Find a route name starting with \a base, maybe followed by the
2431 * lowest \a id. \a id will always be added if \a definitely_add_number
2432 * is true on entry; otherwise it will only be added if required
2433 * to make the name unique.
2435 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
2436 * The available route name with the lowest ID will be used, and \a id
2437 * will be set to the ID.
2439 * \return false if a route name could not be found, and \a track_name
2440 * and \a id do not reflect a free route name.
2443 Session::find_route_name (string const & base, uint32_t& id, string& name, bool definitely_add_number)
2445 /* the base may conflict with ports that do not belong to existing
2446 routes, but hidden objects like the click track. So check port names
2447 before anything else.
2450 for (map<string,bool>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
2451 if (base == reserved->first) {
2452 /* Check if this reserved name already exists, and if
2453 so, disallow it without a numeric suffix.
2455 if (!reserved->second || route_by_name (reserved->first)) {
2456 definitely_add_number = true;
2465 /* if we have "base 1" already, it doesn't make sense to add "base"
2466 * if "base 1" has been deleted, adding "base" is no worse than "base 1"
2468 if (!definitely_add_number && route_by_name (base) == 0 && (route_by_name (string_compose("%1 1", base)) == 0)) {
2469 /* just use the base */
2475 name = string_compose ("%1 %2", base, id);
2477 if (route_by_name (name) == 0) {
2483 } while (id < (UINT_MAX-1));
2488 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
2490 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
2492 in = ChanCount::ZERO;
2493 out = ChanCount::ZERO;
2495 boost::shared_ptr<RouteList> r = routes.reader ();
2497 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2498 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2502 assert (!tr->is_auditioner()); // XXX remove me
2503 in += tr->n_inputs();
2504 out += tr->n_outputs();
2509 Session::default_track_name_pattern (DataType t)
2512 case DataType::AUDIO:
2513 if (Profile->get_trx()) {
2520 case DataType::MIDI:
2527 /** Caller must not hold process lock
2528 * @param name_template string to use for the start of the name, or "" to use "MIDI".
2529 * @param instrument plugin info for the instrument to insert pre-fader, if any
2531 list<boost::shared_ptr<MidiTrack> >
2532 Session::new_midi_track (const ChanCount& input, const ChanCount& output, bool strict_io,
2533 boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord* pset,
2534 RouteGroup* route_group, uint32_t how_many,
2535 string name_template, PresentationInfo::order_t order,
2539 uint32_t track_id = 0;
2541 RouteList new_routes;
2542 list<boost::shared_ptr<MidiTrack> > ret;
2544 const string name_pattern = default_track_name_pattern (DataType::MIDI);
2545 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2548 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, use_number)) {
2549 error << "cannot find name for new midi track" << endmsg;
2553 boost::shared_ptr<MidiTrack> track;
2556 track.reset (new MidiTrack (*this, track_name, mode));
2558 if (track->init ()) {
2563 track->set_strict_io (true);
2566 BOOST_MARK_TRACK (track);
2569 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2570 if (track->input()->ensure_io (input, false, this)) {
2571 error << "cannot configure " << input << " out configuration for new midi track" << endmsg;
2575 if (track->output()->ensure_io (output, false, this)) {
2576 error << "cannot configure " << output << " out configuration for new midi track" << endmsg;
2582 route_group->add (track);
2585 new_routes.push_back (track);
2586 ret.push_back (track);
2589 catch (failed_constructor &err) {
2590 error << _("Session: could not create new midi track.") << endmsg;
2594 catch (AudioEngine::PortRegistrationFailure& pfe) {
2596 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;
2604 if (!new_routes.empty()) {
2605 StateProtector sp (this);
2606 if (Profile->get_trx()) {
2607 add_routes (new_routes, false, false, false, order);
2609 add_routes (new_routes, true, true, false, order);
2613 for (RouteList::iterator r = new_routes.begin(); r != new_routes.end(); ++r) {
2614 PluginPtr plugin = instrument->load (*this);
2616 warning << "Failed to add Synth Plugin to newly created track." << endmsg;
2620 plugin->load_preset (*pset);
2622 boost::shared_ptr<PluginInsert> pi (new PluginInsert (*this, plugin));
2624 pi->set_strict_io (true);
2627 (*r)->add_processor (pi, PreFader);
2629 if (Profile->get_mixbus () && pi->configured () && pi->output_streams().n_audio() > 2) {
2630 (*r)->move_instrument_down (false);
2640 Session::new_midi_route (RouteGroup* route_group, uint32_t how_many, string name_template, bool strict_io,
2641 boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord* pset,
2642 PresentationInfo::Flag flag, PresentationInfo::order_t order)
2645 uint32_t bus_id = 0;
2649 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Midi Bus");
2652 if (!find_route_name (name_template.empty () ? _("Midi Bus") : name_template, ++bus_id, bus_name, use_number)) {
2653 error << "cannot find name for new midi bus" << endmsg;
2658 boost::shared_ptr<Route> bus (new Route (*this, bus_name, flag, DataType::AUDIO)); // XXX Editor::add_routes is not ready for ARDOUR::DataType::MIDI
2665 bus->set_strict_io (true);
2668 BOOST_MARK_ROUTE(bus);
2671 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2673 if (bus->input()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2674 error << _("cannot configure new midi bus input") << endmsg;
2679 if (bus->output()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2680 error << _("cannot configure new midi bus output") << endmsg;
2686 route_group->add (bus);
2689 bus->add_internal_return ();
2690 ret.push_back (bus);
2693 catch (failed_constructor &err) {
2694 error << _("Session: could not create new audio route.") << endmsg;
2698 catch (AudioEngine::PortRegistrationFailure& pfe) {
2699 error << pfe.what() << endmsg;
2709 StateProtector sp (this);
2710 add_routes (ret, false, false, false, order);
2713 for (RouteList::iterator r = ret.begin(); r != ret.end(); ++r) {
2714 PluginPtr plugin = instrument->load (*this);
2716 warning << "Failed to add Synth Plugin to newly created track." << endmsg;
2720 plugin->load_preset (*pset);
2722 boost::shared_ptr<PluginInsert> pi (new PluginInsert (*this, plugin));
2724 pi->set_strict_io (true);
2727 (*r)->add_processor (pi, PreFader);
2729 if (Profile->get_mixbus () && pi->configured () && pi->output_streams().n_audio() > 2) {
2730 (*r)->move_instrument_down (false);
2742 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
2744 boost::shared_ptr<Route> midi_track (wmt.lock());
2750 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
2752 if (change.after.n_audio() <= change.before.n_audio()) {
2756 /* new audio ports: make sure the audio goes somewhere useful,
2757 * unless the user has no-auto-connect selected.
2759 * The existing ChanCounts don't matter for this call as they are only
2760 * to do with matching input and output indices, and we are only changing
2763 auto_connect_route (midi_track, false, ChanCount(), change.before);
2767 #ifdef USE_TRACKS_CODE_FEATURES
2770 compare_routes_by_remote_id (const boost::shared_ptr<Route>& route1, const boost::shared_ptr<Route>& route2)
2772 return route1->remote_control_id() < route2->remote_control_id();
2776 Session::reconnect_existing_routes (bool withLock, bool reconnect_master, bool reconnect_inputs, bool reconnect_outputs)
2778 // it is not allowed to perform connection
2779 if (!IO::connecting_legal) {
2783 // if we are deleting routes we will call this once at the end
2784 if (_route_deletion_in_progress) {
2788 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2794 // We need to disconnect the route's inputs and outputs first
2795 // basing on autoconnect configuration
2796 bool reconnectIputs = !(Config->get_input_auto_connect() & ManualConnect) && reconnect_inputs;
2797 bool reconnectOutputs = !(Config->get_output_auto_connect() & ManualConnect) && reconnect_outputs;
2799 ChanCount existing_inputs;
2800 ChanCount existing_outputs;
2801 count_existing_track_channels (existing_inputs, existing_outputs);
2803 //ChanCount inputs = ChanCount::ZERO;
2804 //ChanCount outputs = ChanCount::ZERO;
2806 RouteList existing_routes = *routes.reader ();
2807 existing_routes.sort (compare_routes_by_remote_id);
2810 PBD::Unwinder<bool> protect_ignore_changes (_reconnecting_routes_in_progress, true);
2812 vector<string> physinputs;
2813 vector<string> physoutputs;
2815 EngineStateController::instance()->get_physical_audio_outputs(physoutputs);
2816 EngineStateController::instance()->get_physical_audio_inputs(physinputs);
2818 uint32_t input_n = 0;
2819 uint32_t output_n = 0;
2820 RouteList::iterator rIter = existing_routes.begin();
2821 const AutoConnectOption current_input_auto_connection (Config->get_input_auto_connect());
2822 const AutoConnectOption current_output_auto_connection (Config->get_output_auto_connect());
2823 for (; rIter != existing_routes.end(); ++rIter) {
2824 if (*rIter == _master_out || *rIter == _monitor_out ) {
2828 if (current_output_auto_connection == AutoConnectPhysical) {
2829 (*rIter)->amp()->deactivate();
2830 } else if (current_output_auto_connection == AutoConnectMaster) {
2831 (*rIter)->amp()->activate();
2834 if (reconnectIputs) {
2835 (*rIter)->input()->disconnect (this); //GZ: check this; could be heavy
2837 for (uint32_t route_input_n = 0; route_input_n < (*rIter)->n_inputs().get(DataType::AUDIO); ++route_input_n) {
2839 if (current_input_auto_connection & AutoConnectPhysical) {
2841 if ( input_n == physinputs.size() ) {
2845 string port = physinputs[input_n];
2847 if (port.empty() ) {
2848 error << "Physical Input number "<< input_n << " is unavailable and cannot be connected" << endmsg;
2851 //GZ: check this; could be heavy
2852 (*rIter)->input()->connect ((*rIter)->input()->ports().port(DataType::AUDIO, route_input_n), port, this);
2858 if (reconnectOutputs) {
2860 //normalize route ouptuts: reduce the amount outputs to be equal to the amount of inputs
2861 if (current_output_auto_connection & AutoConnectPhysical) {
2863 //GZ: check this; could be heavy
2864 (*rIter)->output()->disconnect (this);
2865 size_t route_inputs_count = (*rIter)->n_inputs().get(DataType::AUDIO);
2867 //GZ: check this; could be heavy
2868 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, route_inputs_count), false, this );
2870 } else if (current_output_auto_connection & AutoConnectMaster){
2872 if (!reconnect_master) {
2876 //GZ: check this; could be heavy
2877 (*rIter)->output()->disconnect (this);
2880 uint32_t master_inputs_count = _master_out->n_inputs().get(DataType::AUDIO);
2881 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, master_inputs_count), false, this );
2883 error << error << "Master bus is not available" << endmsg;
2888 for (uint32_t route_output_n = 0; route_output_n < (*rIter)->n_outputs().get(DataType::AUDIO); ++route_output_n) {
2889 if (current_output_auto_connection & AutoConnectPhysical) {
2891 if ( output_n == physoutputs.size() ) {
2895 string port = physoutputs[output_n];
2897 if (port.empty() ) {
2898 error << "Physical Output number "<< output_n << " is unavailable and cannot be connected" << endmsg;
2901 //GZ: check this; could be heavy
2902 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2905 } else if (current_output_auto_connection & AutoConnectMaster) {
2907 if ( route_output_n == _master_out->n_inputs().get(DataType::AUDIO) ) {
2911 // connect to master bus
2912 string port = _master_out->input()->ports().port(DataType::AUDIO, route_output_n)->name();
2914 if (port.empty() ) {
2915 error << "MasterBus Input number "<< route_output_n << " is unavailable and cannot be connected" << endmsg;
2919 //GZ: check this; could be heavy
2920 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2927 _master_out->output()->disconnect (this);
2928 auto_connect_master_bus ();
2933 session_routes_reconnected (); /* EMIT SIGNAL */
2937 Session::reconnect_midi_scene_ports(bool inputs)
2941 boost::shared_ptr<MidiPort> scene_in_ptr = scene_in();
2943 scene_in_ptr->disconnect_all ();
2945 std::vector<EngineStateController::MidiPortState> midi_port_states;
2946 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2948 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2950 for (; state_iter != midi_port_states.end(); ++state_iter) {
2951 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2952 scene_in_ptr->connect (state_iter->name);
2959 boost::shared_ptr<MidiPort> scene_out_ptr = scene_out();
2961 if (scene_out_ptr ) {
2962 scene_out_ptr->disconnect_all ();
2964 std::vector<EngineStateController::MidiPortState> midi_port_states;
2965 EngineStateController::instance()->get_physical_midi_output_states (midi_port_states);
2967 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2969 for (; state_iter != midi_port_states.end(); ++state_iter) {
2970 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2971 scene_out_ptr->connect (state_iter->name);
2979 Session::reconnect_mmc_ports(bool inputs)
2981 if (inputs ) { // get all enabled midi input ports
2983 boost::shared_ptr<MidiPort> mmc_in_ptr = _midi_ports->mmc_in();
2985 mmc_in_ptr->disconnect_all ();
2986 std::vector<std::string> enabled_midi_inputs;
2987 EngineStateController::instance()->get_physical_midi_inputs (enabled_midi_inputs);
2989 std::vector<std::string>::iterator port_iter = enabled_midi_inputs.begin();
2991 for (; port_iter != enabled_midi_inputs.end(); ++port_iter) {
2992 mmc_in_ptr->connect (*port_iter);
2996 } else { // get all enabled midi output ports
2998 boost::shared_ptr<MidiPort> mmc_out_ptr = _midi_ports->mmc_out();
3000 mmc_out_ptr->disconnect_all ();
3001 std::vector<std::string> enabled_midi_outputs;
3002 EngineStateController::instance()->get_physical_midi_outputs (enabled_midi_outputs);
3004 std::vector<std::string>::iterator port_iter = enabled_midi_outputs.begin();
3006 for (; port_iter != enabled_midi_outputs.end(); ++port_iter) {
3007 mmc_out_ptr->connect (*port_iter);
3016 Session::ensure_stripable_sort_order ()
3019 get_stripables (sl);
3020 sl.sort (Stripable::Sorter ());
3022 bool change = false;
3023 PresentationInfo::order_t order = 0;
3025 for (StripableList::iterator si = sl.begin(); si != sl.end(); ++si) {
3026 boost::shared_ptr<Stripable> s (*si);
3027 assert (!s->is_auditioner ()); // XXX remove me
3028 if (s->is_monitor ()) {
3031 if (order != s->presentation_info().order()) {
3032 s->set_presentation_order (order);
3041 Session::ensure_route_presentation_info_gap (PresentationInfo::order_t first_new_order, uint32_t how_many)
3043 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("ensure order gap starting at %1 for %2\n", first_new_order, how_many));
3045 if (first_new_order == PresentationInfo::max_order) {
3046 /* adding at end, no worries */
3050 /* create a gap in the presentation info to accomodate @param how_many
3054 get_stripables (sl);
3056 for (StripableList::iterator si = sl.begin(); si != sl.end(); ++si) {
3057 boost::shared_ptr<Stripable> s (*si);
3059 if (s->presentation_info().special (false)) {
3063 if (!s->presentation_info().order_set()) {
3067 if (s->presentation_info().order () >= first_new_order) {
3068 s->set_presentation_order (s->presentation_info().order () + how_many);
3073 /** Caller must not hold process lock
3074 * @param name_template string to use for the start of the name, or "" to use "Audio".
3076 list< boost::shared_ptr<AudioTrack> >
3077 Session::new_audio_track (int input_channels, int output_channels, RouteGroup* route_group,
3078 uint32_t how_many, string name_template, PresentationInfo::order_t order,
3082 uint32_t track_id = 0;
3084 RouteList new_routes;
3085 list<boost::shared_ptr<AudioTrack> > ret;
3087 const string name_pattern = default_track_name_pattern (DataType::AUDIO);
3088 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
3092 if (!find_route_name (name_template.empty() ? _(name_pattern.c_str()) : name_template, ++track_id, track_name, use_number)) {
3093 error << "cannot find name for new audio track" << endmsg;
3097 boost::shared_ptr<AudioTrack> track;
3100 track.reset (new AudioTrack (*this, track_name, mode));
3102 if (track->init ()) {
3106 if (Profile->get_mixbus ()) {
3107 track->set_strict_io (true);
3110 if (ARDOUR::Profile->get_trx ()) {
3111 // TRACKS considers it's not a USE CASE, it's
3112 // a piece of behavior of the session model:
3114 // Gain for a newly created route depends on
3115 // the current output_auto_connect mode:
3117 // 0 for Stereo Out mode
3119 if (Config->get_output_auto_connect() & AutoConnectMaster) {
3120 track->gain_control()->set_value (dB_to_coefficient (0), Controllable::NoGroup);
3124 BOOST_MARK_TRACK (track);
3127 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3129 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3130 error << string_compose (
3131 _("cannot configure %1 in/%2 out configuration for new audio track"),
3132 input_channels, output_channels)
3137 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3138 error << string_compose (
3139 _("cannot configure %1 in/%2 out configuration for new audio track"),
3140 input_channels, output_channels)
3147 route_group->add (track);
3150 new_routes.push_back (track);
3151 ret.push_back (track);
3154 catch (failed_constructor &err) {
3155 error << _("Session: could not create new audio track.") << endmsg;
3159 catch (AudioEngine::PortRegistrationFailure& pfe) {
3161 error << pfe.what() << endmsg;
3169 if (!new_routes.empty()) {
3170 StateProtector sp (this);
3171 if (Profile->get_trx()) {
3172 add_routes (new_routes, false, false, false, order);
3174 add_routes (new_routes, true, true, false, order);
3181 /** Caller must not hold process lock.
3182 * @param name_template string to use for the start of the name, or "" to use "Bus".
3185 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template,
3186 PresentationInfo::Flag flags, PresentationInfo::order_t order)
3189 uint32_t bus_id = 0;
3193 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
3196 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, use_number)) {
3197 error << "cannot find name for new audio bus" << endmsg;
3202 boost::shared_ptr<Route> bus (new Route (*this, bus_name, flags, DataType::AUDIO));
3208 if (Profile->get_mixbus ()) {
3209 bus->set_strict_io (true);
3212 BOOST_MARK_ROUTE(bus);
3215 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3217 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3218 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3219 input_channels, output_channels)
3225 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3226 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3227 input_channels, output_channels)
3234 route_group->add (bus);
3237 bus->add_internal_return ();
3238 ret.push_back (bus);
3241 catch (failed_constructor &err) {
3242 error << _("Session: could not create new audio route.") << endmsg;
3246 catch (AudioEngine::PortRegistrationFailure& pfe) {
3247 error << pfe.what() << endmsg;
3257 StateProtector sp (this);
3258 if (Profile->get_trx()) {
3259 add_routes (ret, false, false, false, order);
3260 } else if (flags == PresentationInfo::FoldbackBus) {
3261 add_routes (ret, false, false, true, order); // no autoconnect
3263 add_routes (ret, false, true, true, order); // autoconnect // outputs only
3272 Session::new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, const std::string& template_path, const std::string& name_base,
3273 PlaylistDisposition pd)
3277 if (!tree.read (template_path.c_str())) {
3281 return new_route_from_template (how_many, insert_at, *tree.root(), name_base, pd);
3285 Session::new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, XMLNode& node, const std::string& name_base, PlaylistDisposition pd)
3288 uint32_t number = 0;
3289 const uint32_t being_added = how_many;
3290 /* This will prevent the use of any existing XML-provided PBD::ID
3293 Stateful::ForceIDRegeneration force_ids;
3294 IO::disable_connecting ();
3298 /* We're going to modify the node contents a bit so take a
3299 * copy. The node may be re-used when duplicating more than once.
3302 XMLNode node_copy (node);
3307 if (!name_base.empty()) {
3309 /* if we're adding more than one routes, force
3310 * all the names of the new routes to be
3311 * numbered, via the final parameter.
3314 if (!find_route_name (name_base.c_str(), ++number, name, (being_added > 1))) {
3315 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3321 string const route_name = node_copy.property(X_("name"))->value ();
3323 /* generate a new name by adding a number to the end of the template name */
3324 if (!find_route_name (route_name.c_str(), ++number, name, true)) {
3325 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3326 abort(); /*NOTREACHED*/
3330 /* set this name in the XML description that we are about to use */
3331 #warning fixme -- no more Diskstream
3332 if (pd == CopyPlaylist) {
3333 XMLNode* ds_node = find_named_node (node_copy, "Diskstream");
3335 const std::string playlist_name = ds_node->property (X_("playlist"))->value ();
3336 boost::shared_ptr<Playlist> playlist = playlists->by_name (playlist_name);
3337 // Use same name as Route::set_name_in_state so playlist copy
3338 // is picked up when creating the Route in XMLRouteFactory below
3339 playlist = PlaylistFactory::create (playlist, string_compose ("%1.1", name));
3340 playlist->reset_shares ();
3342 } else if (pd == SharePlaylist) {
3343 XMLNode* ds_node = find_named_node (node_copy, "Diskstream");
3345 const std::string playlist_name = ds_node->property (X_("playlist"))->value ();
3346 boost::shared_ptr<Playlist> playlist = playlists->by_name (playlist_name);
3347 playlist->share_with ((node_copy.property (X_("id")))->value());
3351 bool rename_playlist = (pd == CopyPlaylist || pd == NewPlaylist);
3353 Route::set_name_in_state (node_copy, name, rename_playlist);
3355 /* trim bitslots from listen sends so that new ones are used */
3356 XMLNodeList children = node_copy.children ();
3357 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
3358 if ((*i)->name() == X_("Processor")) {
3359 /* ForceIDRegeneration does not catch the following */
3360 XMLProperty const * role = (*i)->property (X_("role"));
3361 XMLProperty const * type = (*i)->property (X_("type"));
3362 if (role && role->value() == X_("Aux")) {
3363 /* check if the target bus exists.
3364 * we should not save aux-sends in templates.
3366 XMLProperty const * target = (*i)->property (X_("target"));
3368 (*i)->set_property ("type", "dangling-aux-send");
3371 boost::shared_ptr<Route> r = route_by_id (target->value());
3372 if (!r || boost::dynamic_pointer_cast<Track>(r)) {
3373 (*i)->set_property ("type", "dangling-aux-send");
3377 if (role && role->value() == X_("Listen")) {
3378 (*i)->remove_property (X_("bitslot"));
3380 else if (role && (role->value() == X_("Send") || role->value() == X_("Aux"))) {
3381 Delivery::Role xrole;
3382 uint32_t bitslot = 0;
3383 xrole = Delivery::Role (string_2_enum (role->value(), xrole));
3384 std::string name = Send::name_and_id_new_send(*this, xrole, bitslot, false);
3385 (*i)->remove_property (X_("bitslot"));
3386 (*i)->remove_property (X_("name"));
3387 (*i)->set_property ("bitslot", bitslot);
3388 (*i)->set_property ("name", name);
3390 else if (type && type->value() == X_("intreturn")) {
3391 (*i)->remove_property (X_("bitslot"));
3392 (*i)->set_property ("ignore-bitslot", "1");
3394 else if (type && type->value() == X_("return")) {
3395 // Return::set_state() generates a new one
3396 (*i)->remove_property (X_("bitslot"));
3398 else if (type && type->value() == X_("port")) {
3399 IOProcessor::prepare_for_reset (**i, name);
3404 /* new routes start off unsoloed to avoid issues related to
3405 upstream / downstream buses. */
3406 node_copy.remove_node_and_delete (X_("Controllable"), X_("name"), X_("solo"));
3408 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
3411 error << _("Session: cannot create track/bus from template description") << endmsg;
3415 if (boost::dynamic_pointer_cast<Track>(route)) {
3416 /* force input/output change signals so that the new diskstream
3417 picks up the configuration of the route. During session
3418 loading this normally happens in a different way.
3421 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3423 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
3424 change.after = route->input()->n_ports();
3425 route->input()->changed (change, this);
3426 change.after = route->output()->n_ports();
3427 route->output()->changed (change, this);
3430 ret.push_back (route);
3433 catch (failed_constructor &err) {
3434 error << _("Session: could not create new route from template") << endmsg;
3438 catch (AudioEngine::PortRegistrationFailure& pfe) {
3439 error << pfe.what() << endmsg;
3448 StateProtector sp (this);
3449 if (Profile->get_trx()) {
3450 add_routes (ret, false, false, false, insert_at);
3452 add_routes (ret, true, true, false, insert_at);
3454 IO::enable_connecting ();
3461 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save, PresentationInfo::order_t order)
3464 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
3465 add_routes_inner (new_routes, input_auto_connect, output_auto_connect, order);
3468 error << _("Adding new tracks/busses failed") << endmsg;
3473 update_latency (false);
3474 update_latency (true);
3479 save_state (_current_snapshot_name);
3482 update_route_record_state ();
3484 RouteAdded (new_routes); /* EMIT SIGNAL */
3488 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t order)
3490 ChanCount existing_inputs;
3491 ChanCount existing_outputs;
3495 count_existing_track_channels (existing_inputs, existing_outputs);
3498 RCUWriter<RouteList> writer (routes);
3499 boost::shared_ptr<RouteList> r = writer.get_copy ();
3500 n_routes = r->size();
3501 r->insert (r->end(), new_routes.begin(), new_routes.end());
3503 /* if there is no control out and we're not in the middle of loading,
3504 * resort the graph here. if there is a control out, we will resort
3505 * toward the end of this method. if we are in the middle of loading,
3506 * we will resort when done.
3509 if (!_monitor_out && IO::connecting_legal) {
3510 resort_routes_using (r);
3514 /* monitor is not part of the order */
3516 assert (n_routes > 0);
3521 PresentationInfo::ChangeSuspender cs;
3522 ensure_route_presentation_info_gap (order, new_routes.size());
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 (false)) {
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 if (order == PresentationInfo::max_order) {
3567 /* just add to the end */
3568 r->set_presentation_order (n_routes + added);
3569 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order not set, set to NR %1 + %2 = %3\n", n_routes, added, n_routes + added));
3571 r->set_presentation_order (order + added);
3572 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order not set, set to %1 + %2 = %3\n", order, added, order + added));
3575 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order already set to %1\n", r->presentation_info().order()));
3579 #if !defined(__APPLE__) && !defined(__FreeBSD__)
3580 /* clang complains: 'operator<<' should be declared prior to the call site or in an associated namespace of one of its
3581 * arguments std::ostream& operator<<(std::ostream& o, ARDOUR::PresentationInfo const& rid)"
3583 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("added route %1, group order %2 type %3 (summary: %4)\n",
3585 r->presentation_info().order(),
3586 enum_2_string (r->presentation_info().flags()),
3587 r->presentation_info()));
3591 if (input_auto_connect || output_auto_connect) {
3592 auto_connect_route (r, input_auto_connect, ChanCount (), ChanCount (), existing_inputs, existing_outputs);
3593 existing_inputs += r->n_inputs();
3594 existing_outputs += r->n_outputs();
3599 ensure_stripable_sort_order ();
3602 if (_monitor_out && IO::connecting_legal) {
3603 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
3605 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3606 if ((*x)->is_monitor()) {
3608 } else if ((*x)->is_master()) {
3611 (*x)->enable_monitor_send ();
3616 reassign_track_numbers ();
3620 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
3622 boost::shared_ptr<RouteList> r = routes.reader ();
3623 boost::shared_ptr<Send> s;
3625 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3626 if ((s = (*i)->internal_send_for (dest)) != 0) {
3627 s->amp()->gain_control()->set_value (GAIN_COEFF_ZERO, Controllable::NoGroup);
3633 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
3635 boost::shared_ptr<RouteList> r = routes.reader ();
3636 boost::shared_ptr<Send> s;
3638 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3639 if ((s = (*i)->internal_send_for (dest)) != 0) {
3640 s->amp()->gain_control()->set_value (GAIN_COEFF_UNITY, Controllable::NoGroup);
3646 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
3648 boost::shared_ptr<RouteList> r = routes.reader ();
3649 boost::shared_ptr<Send> s;
3651 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3652 if ((s = (*i)->internal_send_for (dest)) != 0) {
3653 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value(), Controllable::NoGroup);
3658 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
3660 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
3662 boost::shared_ptr<RouteList> r = routes.reader ();
3663 boost::shared_ptr<RouteList> t (new RouteList);
3665 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3666 /* no MIDI sends because there are no MIDI busses yet */
3667 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
3672 add_internal_sends (dest, p, t);
3676 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
3678 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
3679 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
3684 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
3686 add_internal_send (dest, sender->before_processor_for_index (index), sender);
3690 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
3692 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
3696 if (!dest->internal_return()) {
3697 dest->add_internal_return ();
3700 sender->add_aux_send (dest, before);
3706 Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
3708 bool mute_changed = false;
3709 bool send_selected = false;
3711 { // RCU Writer scope
3712 PBD::Unwinder<bool> uw_flag (_route_deletion_in_progress, true);
3713 RCUWriter<RouteList> writer (routes);
3714 boost::shared_ptr<RouteList> rs = writer.get_copy ();
3716 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3718 if (_selection->selected (*iter)) {
3719 send_selected = true;
3722 if (*iter == _master_out) {
3726 /* speed up session deletion, don't do the solo dance */
3727 if (0 == (_state_of_the_state & Deletion)) {
3728 (*iter)->solo_control()->set_value (0.0, Controllable::NoGroup);
3731 if ((*iter)->mute_control()->muted ()) {
3732 mute_changed = true;
3737 /* deleting the master out seems like a dumb
3738 idea, but its more of a UI policy issue
3742 if (*iter == _master_out) {
3743 _master_out = boost::shared_ptr<Route> ();
3746 if (*iter == _monitor_out) {
3747 _monitor_out.reset ();
3750 // We need to disconnect the route's inputs and outputs
3752 (*iter)->input()->disconnect (0);
3753 (*iter)->output()->disconnect (0);
3755 /* if the route had internal sends sending to it, remove them */
3756 if ((*iter)->internal_return()) {
3758 boost::shared_ptr<RouteList> r = routes.reader ();
3759 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3760 boost::shared_ptr<Send> s = (*i)->internal_send_for (*iter);
3762 (*i)->remove_processor (s);
3767 /* if the monitoring section had a pointer to this route, remove it */
3768 if (_monitor_out && !(*iter)->is_master() && !(*iter)->is_monitor()) {
3769 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3770 ProcessorChangeBlocker pcb (this, false);
3771 (*iter)->remove_aux_or_listen (_monitor_out);
3774 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*iter);
3775 if (mt && mt->step_editing()) {
3776 if (_step_editors > 0) {
3782 /* writer goes out of scope, forces route list update */
3784 } // end of RCU Writer scope
3787 MuteChanged (); /* EMIT SIGNAL */
3790 update_route_solo_state ();
3791 update_latency_compensation ();
3794 /* Re-sort routes to remove the graph's current references to the one that is
3795 * going away, then flush old references out of the graph.
3796 * Wave Tracks: reconnect routes
3799 #ifdef USE_TRACKS_CODE_FEATURES
3800 reconnect_existing_routes(true, false);
3802 routes.flush (); // maybe unsafe, see below.
3806 if (_process_graph && !(_state_of_the_state & Deletion)) {
3807 _process_graph->clear_other_chain ();
3810 /* get rid of it from the dead wood collection in the route list manager */
3811 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
3815 /* remove these routes from the selection if appropriate, and signal
3816 * the change *before* we call DropReferences for them.
3819 if (send_selected && !deletion_in_progress()) {
3820 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3821 _selection->remove_stripable_by_id ((*iter)->id());
3824 pc.add (Properties::selected);
3825 PresentationInfo::Change (pc);
3828 /* try to cause everyone to drop their references
3829 * and unregister ports from the backend
3832 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3833 (*iter)->drop_references ();
3836 if (deletion_in_progress()) {
3841 pc.add (Properties::order);
3842 PresentationInfo::Change (pc);
3844 /* save the new state of the world */
3846 if (save_state (_current_snapshot_name)) {
3847 save_history (_current_snapshot_name);
3850 update_route_record_state ();
3854 Session::remove_route (boost::shared_ptr<Route> route)
3856 boost::shared_ptr<RouteList> rl (new RouteList);
3857 rl->push_back (route);
3862 Session::route_mute_changed ()
3864 MuteChanged (); /* EMIT SIGNAL */
3869 Session::route_listen_changed (Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3871 boost::shared_ptr<Route> route (wpr.lock());
3877 assert (Config->get_solo_control_is_listen_control());
3879 if (route->solo_control()->soloed_by_self_or_masters()) {
3881 if (Config->get_exclusive_solo()) {
3883 RouteGroup* rg = route->route_group ();
3884 const bool group_already_accounted_for = (group_override == Controllable::ForGroup);
3886 boost::shared_ptr<RouteList> r = routes.reader ();
3888 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3889 if ((*i) == route) {
3890 /* already changed */
3894 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
3895 /* route does not get solo propagated to it */
3899 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3900 /* this route is a part of the same solo group as the route
3901 * that was changed. Changing that route did change or will
3902 * change all group members appropriately, so we can ignore it
3907 (*i)->solo_control()->set_value (0.0, Controllable::NoGroup);
3913 } else if (_listen_cnt > 0) {
3920 Session::route_solo_isolated_changed (boost::weak_ptr<Route> wpr)
3922 boost::shared_ptr<Route> route (wpr.lock());
3928 bool send_changed = false;
3930 if (route->solo_isolate_control()->solo_isolated()) {
3931 if (_solo_isolated_cnt == 0) {
3932 send_changed = true;
3934 _solo_isolated_cnt++;
3935 } else if (_solo_isolated_cnt > 0) {
3936 _solo_isolated_cnt--;
3937 if (_solo_isolated_cnt == 0) {
3938 send_changed = true;
3943 IsolatedChanged (); /* EMIT SIGNAL */
3948 Session::route_solo_changed (bool self_solo_changed, Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3950 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1, update\n", self_solo_changed));
3952 boost::shared_ptr<Route> route (wpr.lock());
3958 if (Config->get_solo_control_is_listen_control()) {
3959 route_listen_changed (group_override, wpr);
3963 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()));
3965 if (route->solo_control()->transitioned_into_solo() == 0) {
3966 /* route solo changed by upstream/downstream or clear all solo state; not interesting
3969 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()));
3973 boost::shared_ptr<RouteList> r = routes.reader ();
3974 int32_t delta = route->solo_control()->transitioned_into_solo ();
3976 /* the route may be a member of a group that has shared-solo
3977 * semantics. If so, then all members of that group should follow the
3978 * solo of the changed route. But ... this is optional, controlled by a
3979 * Controllable::GroupControlDisposition.
3981 * The first argument to the signal that this method is connected to is the
3982 * GroupControlDisposition value that was used to change solo.
3984 * If the solo change was done with group semantics (either InverseGroup
3985 * (force the entire group to change even if the group shared solo is
3986 * disabled) or UseGroup (use the group, which may or may not have the
3987 * shared solo property enabled)) then as we propagate the change to
3988 * the entire session we should IGNORE THE GROUP that the changed route
3992 RouteGroup* rg = route->route_group ();
3993 const bool group_already_accounted_for = (group_override == Controllable::ForGroup);
3995 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate to session, group accounted for ? %1\n", group_already_accounted_for));
3997 if (delta == 1 && Config->get_exclusive_solo()) {
3999 /* new solo: disable all other solos, but not the group if its solo-enabled */
4001 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4003 if ((*i) == route) {
4004 /* already changed */
4008 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
4009 /* route does not get solo propagated to it */
4013 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
4014 /* this route is a part of the same solo group as the route
4015 * that was changed. Changing that route did change or will
4016 * change all group members appropriately, so we can ignore it
4022 (*i)->solo_control()->set_value (0.0, group_override);
4026 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
4028 RouteList uninvolved;
4030 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
4032 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4033 bool via_sends_only;
4034 bool in_signal_flow;
4036 if ((*i) == route) {
4037 /* already changed */
4041 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
4042 /* route does not get solo propagated to it */
4043 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(),
4048 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
4049 /* this route is a part of the same solo group as the route
4050 * that was changed. Changing that route did change or will
4051 * change all group members appropriately, so we can ignore it
4057 in_signal_flow = false;
4059 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
4061 if ((*i)->feeds (route, &via_sends_only)) {
4062 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
4063 if (!via_sends_only) {
4064 if (!route->soloed_by_others_upstream()) {
4065 (*i)->solo_control()->mod_solo_by_others_downstream (delta);
4067 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others upstream\n");
4070 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
4072 in_signal_flow = true;
4074 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
4077 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
4079 if (route->feeds (*i, &via_sends_only)) {
4080 /* propagate solo upstream only if routing other than
4081 sends is involved, but do consider the other route
4082 (*i) to be part of the signal flow even if only
4085 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
4089 route->soloed_by_others_downstream(),
4090 route->soloed_by_others_upstream()));
4091 if (!via_sends_only) {
4092 //NB. Triggers Invert Push, which handles soloed by downstream
4093 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
4094 (*i)->solo_control()->mod_solo_by_others_upstream (delta);
4096 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
4098 in_signal_flow = true;
4100 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
4103 if (!in_signal_flow) {
4104 uninvolved.push_back (*i);
4108 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
4110 /* now notify that the mute state of the routes not involved in the signal
4111 pathway of the just-solo-changed route may have altered.
4114 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
4115 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
4116 (*i)->act_on_mute ();
4117 /* Session will emit SoloChanged() after all solo changes are
4118 * complete, which should be used by UIs to update mute status
4124 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
4126 /* now figure out if anything that matters is soloed (or is "listening")*/
4128 bool something_soloed = false;
4129 bool something_listening = false;
4130 uint32_t listeners = 0;
4131 uint32_t isolated = 0;
4134 r = routes.reader();
4137 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4138 if ((*i)->can_solo()) {
4139 if (Config->get_solo_control_is_listen_control()) {
4140 if ((*i)->solo_control()->soloed_by_self_or_masters()) {
4142 something_listening = true;
4145 (*i)->set_listen (false);
4146 if ((*i)->can_solo() && (*i)->solo_control()->soloed_by_self_or_masters()) {
4147 something_soloed = true;
4152 if ((*i)->solo_isolate_control()->solo_isolated()) {
4157 if (something_soloed != _non_soloed_outs_muted) {
4158 _non_soloed_outs_muted = something_soloed;
4159 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
4162 if (something_listening != _listening) {
4163 _listening = something_listening;
4164 SoloActive (_listening);
4167 _listen_cnt = listeners;
4169 if (isolated != _solo_isolated_cnt) {
4170 _solo_isolated_cnt = isolated;
4171 IsolatedChanged (); /* EMIT SIGNAL */
4174 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
4175 something_soloed, listeners, isolated));
4178 SoloChanged (); /* EMIT SIGNAL */
4183 Session::muted () const
4185 // TODO consider caching the value on every MuteChanged signal,
4186 // Note that API users may also subscribe to MuteChanged and hence
4187 // this method needs to be called first.
4190 get_stripables (all);
4191 for (StripableList::const_iterator i = all.begin(); i != all.end(); ++i) {
4192 assert (!(*i)->is_auditioner()); // XXX remove me
4193 if ((*i)->is_monitor()) {
4196 boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route>(*i);
4197 if (r && !r->active()) {
4200 boost::shared_ptr<MuteControl> mc = (*i)->mute_control();
4201 if (mc && mc->muted ()) {
4209 std::vector<boost::weak_ptr<AutomationControl> >
4210 Session::cancel_all_mute ()
4213 get_stripables (all);
4214 std::vector<boost::weak_ptr<AutomationControl> > muted;
4215 boost::shared_ptr<ControlList> cl (new ControlList);
4216 for (StripableList::const_iterator i = all.begin(); i != all.end(); ++i) {
4217 assert (!(*i)->is_auditioner());
4218 if ((*i)->is_monitor()) {
4221 boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (*i);
4222 if (r && !r->active()) {
4225 boost::shared_ptr<AutomationControl> ac = (*i)->mute_control();
4226 if (ac && ac->get_value () > 0) {
4228 muted.push_back (boost::weak_ptr<AutomationControl>(ac));
4231 if (!cl->empty ()) {
4232 set_controls (cl, 0.0, PBD::Controllable::UseGroup);
4238 Session::get_stripables (StripableList& sl, PresentationInfo::Flag fl) const
4240 boost::shared_ptr<RouteList> r = routes.reader ();
4241 for (RouteList::iterator it = r->begin(); it != r->end(); ++it) {
4242 if ((*it)->presentation_info ().flags () & fl) {
4247 if (fl & PresentationInfo::VCA) {
4248 VCAList v = _vca_manager->vcas ();
4249 sl.insert (sl.end(), v.begin(), v.end());
4254 Session::get_stripables () const
4256 PresentationInfo::Flag fl = PresentationInfo::AllStripables;
4258 Session::get_stripables (rv, fl);
4259 rv.sort (Stripable::Sorter ());
4264 Session::get_routelist (bool mixer_order, PresentationInfo::Flag fl) const
4266 boost::shared_ptr<RouteList> r = routes.reader ();
4268 for (RouteList::iterator it = r->begin(); it != r->end(); ++it) {
4269 if ((*it)->presentation_info ().flags () & fl) {
4273 rv.sort (Stripable::Sorter (mixer_order));
4277 boost::shared_ptr<RouteList>
4278 Session::get_routes_with_internal_returns() const
4280 boost::shared_ptr<RouteList> r = routes.reader ();
4281 boost::shared_ptr<RouteList> rl (new RouteList);
4283 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4284 if ((*i)->internal_return ()) {
4292 Session::io_name_is_legal (const std::string& name) const
4294 boost::shared_ptr<RouteList> r = routes.reader ();
4296 for (map<string,bool>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
4297 if (name == reserved->first) {
4298 if (!route_by_name (reserved->first)) {
4299 /* first instance of a reserved name is allowed for some */
4300 return reserved->second;
4302 /* all other instances of a reserved name are not allowed */
4307 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4308 if ((*i)->name() == name) {
4312 if ((*i)->has_io_processor_named (name)) {
4321 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
4324 vector<string> connections;
4326 /* if we are passed only a single route and we're not told to turn
4327 * others off, then just do the simple thing.
4330 if (flip_others == false && rl->size() == 1) {
4331 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
4333 mt->set_input_active (onoff);
4338 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
4340 PortSet& ps ((*rt)->input()->ports());
4342 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
4343 p->get_connections (connections);
4346 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
4347 routes_using_input_from (*s, rl2);
4350 /* scan all relevant routes to see if others are on or off */
4352 bool others_are_already_on = false;
4354 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4356 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4362 if ((*r) != (*rt)) {
4363 if (mt->input_active()) {
4364 others_are_already_on = true;
4367 /* this one needs changing */
4368 mt->set_input_active (onoff);
4374 /* globally reverse other routes */
4376 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4377 if ((*r) != (*rt)) {
4378 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4380 mt->set_input_active (!others_are_already_on);
4389 Session::routes_using_input_from (const string& str, RouteList& rl)
4391 boost::shared_ptr<RouteList> r = routes.reader();
4393 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4394 if ((*i)->input()->connected_to (str)) {
4400 boost::shared_ptr<Route>
4401 Session::route_by_name (string name) const
4403 boost::shared_ptr<RouteList> r = routes.reader ();
4405 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4406 if ((*i)->name() == name) {
4411 return boost::shared_ptr<Route> ((Route*) 0);
4414 boost::shared_ptr<Route>
4415 Session::route_by_id (PBD::ID id) const
4417 boost::shared_ptr<RouteList> r = routes.reader ();
4419 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4420 if ((*i)->id() == id) {
4425 return boost::shared_ptr<Route> ((Route*) 0);
4429 boost::shared_ptr<Stripable>
4430 Session::stripable_by_id (PBD::ID id) const
4433 get_stripables (sl);
4435 for (StripableList::const_iterator s = sl.begin(); s != sl.end(); ++s) {
4436 if ((*s)->id() == id) {
4441 return boost::shared_ptr<Stripable>();
4444 boost::shared_ptr<Processor>
4445 Session::processor_by_id (PBD::ID id) const
4447 boost::shared_ptr<RouteList> r = routes.reader ();
4449 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4450 boost::shared_ptr<Processor> p = (*i)->Route::processor_by_id (id);
4456 return boost::shared_ptr<Processor> ();
4459 boost::shared_ptr<Route>
4460 Session::get_remote_nth_route (PresentationInfo::order_t n) const
4462 return boost::dynamic_pointer_cast<Route> (get_remote_nth_stripable (n, PresentationInfo::Route));
4465 boost::shared_ptr<Stripable>
4466 Session::get_remote_nth_stripable (PresentationInfo::order_t n, PresentationInfo::Flag flags) const
4469 PresentationInfo::order_t match_cnt = 0;
4471 get_stripables (sl);
4472 sl.sort (Stripable::Sorter());
4474 for (StripableList::const_iterator s = sl.begin(); s != sl.end(); ++s) {
4476 if ((*s)->presentation_info().hidden()) {
4477 /* if the caller didn't explicitly ask for hidden
4478 stripables, ignore hidden ones. This matches
4479 the semantics of the pre-PresentationOrder
4480 "get by RID" logic of Ardour 4.x and earlier.
4482 XXX at some point we should likely reverse
4483 the logic of the flags, because asking for "the
4484 hidden stripables" is not going to be common,
4485 whereas asking for visible ones is normal.
4488 if (! (flags & PresentationInfo::Hidden)) {
4493 if ((*s)->presentation_info().flag_match (flags)) {
4494 if (match_cnt++ == n) {
4500 /* there is no nth stripable that matches the given flags */
4501 return boost::shared_ptr<Stripable>();
4504 boost::shared_ptr<Route>
4505 Session::route_by_selected_count (uint32_t id) const
4507 RouteList r (*(routes.reader ()));
4508 r.sort (Stripable::Sorter());
4510 RouteList::iterator i;
4512 for (i = r.begin(); i != r.end(); ++i) {
4513 if ((*i)->is_selected()) {
4521 return boost::shared_ptr<Route> ();
4525 Session::reassign_track_numbers ()
4529 RouteList r (*(routes.reader ()));
4530 r.sort (Stripable::Sorter());
4532 StateProtector sp (this);
4534 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4535 assert (!(*i)->is_auditioner());
4536 if (boost::dynamic_pointer_cast<Track> (*i)) {
4537 (*i)->set_track_number(++tn);
4539 else if (!(*i)->is_master() && !(*i)->is_monitor()) {
4540 (*i)->set_track_number(--bn);
4543 const uint32_t decimals = ceilf (log10f (tn + 1));
4544 const bool decimals_changed = _track_number_decimals != decimals;
4545 _track_number_decimals = decimals;
4547 if (decimals_changed && config.get_track_name_number ()) {
4548 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4549 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4551 t->resync_track_name();
4554 // trigger GUI re-layout
4555 config.ParameterChanged("track-name-number");
4559 if (DEBUG_ENABLED(DEBUG::OrderKeys)) {
4560 boost::shared_ptr<RouteList> rl = routes.reader ();
4561 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4562 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 numbered %2\n", (*i)->name(), (*i)->track_number()));
4570 Session::playlist_region_added (boost::weak_ptr<Region> w)
4572 boost::shared_ptr<Region> r = w.lock ();
4577 /* These are the operations that are currently in progress... */
4578 list<GQuark> curr = _current_trans_quarks;
4581 /* ...and these are the operations during which we want to update
4582 the session range location markers.
4585 ops.push_back (Operations::capture);
4586 ops.push_back (Operations::paste);
4587 ops.push_back (Operations::duplicate_region);
4588 ops.push_back (Operations::insert_file);
4589 ops.push_back (Operations::insert_region);
4590 ops.push_back (Operations::drag_region_brush);
4591 ops.push_back (Operations::region_drag);
4592 ops.push_back (Operations::selection_grab);
4593 ops.push_back (Operations::region_fill);
4594 ops.push_back (Operations::fill_selection);
4595 ops.push_back (Operations::create_region);
4596 ops.push_back (Operations::region_copy);
4597 ops.push_back (Operations::fixed_time_region_copy);
4600 /* See if any of the current operations match the ones that we want */
4602 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
4604 /* If so, update the session range markers */
4606 maybe_update_session_range (r->position (), r->last_sample ());
4610 /** Update the session range markers if a is before the current start or
4611 * b is after the current end.
4614 Session::maybe_update_session_range (samplepos_t a, samplepos_t b)
4616 if (_state_of_the_state & Loading) {
4620 samplepos_t session_end_marker_shift_samples = session_end_shift * _nominal_sample_rate;
4622 if (_session_range_location == 0) {
4624 set_session_range_location (a, b + session_end_marker_shift_samples);
4628 if (a < _session_range_location->start()) {
4629 _session_range_location->set_start (a);
4632 if (_session_range_end_is_free && (b > _session_range_location->end())) {
4633 _session_range_location->set_end (b);
4639 Session::set_end_is_free (bool yn)
4641 _session_range_end_is_free = yn;
4645 Session::playlist_ranges_moved (list<Evoral::RangeMove<samplepos_t> > const & ranges)
4647 for (list<Evoral::RangeMove<samplepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4648 maybe_update_session_range (i->to, i->to + i->length);
4653 Session::playlist_regions_extended (list<Evoral::Range<samplepos_t> > const & ranges)
4655 for (list<Evoral::Range<samplepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4656 maybe_update_session_range (i->from, i->to);
4660 /* Region management */
4662 boost::shared_ptr<Region>
4663 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
4665 const RegionFactory::RegionMap& regions (RegionFactory::regions());
4666 RegionFactory::RegionMap::const_iterator i;
4667 boost::shared_ptr<Region> region;
4669 Glib::Threads::Mutex::Lock lm (region_lock);
4671 for (i = regions.begin(); i != regions.end(); ++i) {
4675 if (region->whole_file()) {
4677 if (child->source_equivalent (region)) {
4683 return boost::shared_ptr<Region> ();
4687 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
4689 set<boost::shared_ptr<Region> > relevant_regions;
4691 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
4692 RegionFactory::get_regions_using_source (*s, relevant_regions);
4695 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
4696 set<boost::shared_ptr<Region> >::iterator tmp;
4701 playlists->destroy_region (*r);
4702 RegionFactory::map_remove (*r);
4704 (*r)->drop_sources ();
4705 (*r)->drop_references ();
4707 relevant_regions.erase (r);
4712 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
4715 Glib::Threads::Mutex::Lock ls (source_lock);
4716 /* remove from the main source list */
4717 sources.erase ((*s)->id());
4720 (*s)->mark_for_remove ();
4721 (*s)->drop_references ();
4730 Session::remove_last_capture ()
4732 list<boost::shared_ptr<Source> > srcs;
4734 boost::shared_ptr<RouteList> rl = routes.reader ();
4735 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4736 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4741 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
4744 srcs.insert (srcs.end(), l.begin(), l.end());
4749 destroy_sources (srcs);
4751 save_state (_current_snapshot_name);
4756 /* Source Management */
4759 Session::add_source (boost::shared_ptr<Source> source)
4761 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
4762 pair<SourceMap::iterator,bool> result;
4764 entry.first = source->id();
4765 entry.second = source;
4768 Glib::Threads::Mutex::Lock lm (source_lock);
4769 result = sources.insert (entry);
4772 if (result.second) {
4774 /* yay, new source */
4776 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
4779 if (!fs->within_session()) {
4780 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
4786 boost::shared_ptr<AudioFileSource> afs;
4788 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
4789 if (Config->get_auto_analyse_audio()) {
4790 Analyser::queue_source_for_analysis (source, false);
4794 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
4799 Session::remove_source (boost::weak_ptr<Source> src)
4801 if (_state_of_the_state & Deletion) {
4805 SourceMap::iterator i;
4806 boost::shared_ptr<Source> source = src.lock();
4813 Glib::Threads::Mutex::Lock lm (source_lock);
4815 if ((i = sources.find (source->id())) != sources.end()) {
4820 if (!(_state_of_the_state & StateOfTheState (InCleanup|Loading))) {
4822 /* save state so we don't end up with a session file
4823 referring to non-existent sources.
4826 save_state (_current_snapshot_name);
4830 boost::shared_ptr<Source>
4831 Session::source_by_id (const PBD::ID& id)
4833 Glib::Threads::Mutex::Lock lm (source_lock);
4834 SourceMap::iterator i;
4835 boost::shared_ptr<Source> source;
4837 if ((i = sources.find (id)) != sources.end()) {
4844 boost::shared_ptr<AudioFileSource>
4845 Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
4847 /* Restricted to audio files because only audio sources have channel
4851 Glib::Threads::Mutex::Lock lm (source_lock);
4853 for (SourceMap::const_iterator i = sources.begin(); i != sources.end(); ++i) {
4854 boost::shared_ptr<AudioFileSource> afs
4855 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
4857 if (afs && afs->path() == path && chn == afs->channel()) {
4862 return boost::shared_ptr<AudioFileSource>();
4865 boost::shared_ptr<MidiSource>
4866 Session::midi_source_by_path (const std::string& path, bool need_source_lock) const
4868 /* Restricted to MIDI files because audio sources require a channel
4869 for unique identification, in addition to a path.
4872 Glib::Threads::Mutex::Lock lm (source_lock, Glib::Threads::NOT_LOCK);
4873 if (need_source_lock) {
4877 for (SourceMap::const_iterator s = sources.begin(); s != sources.end(); ++s) {
4878 boost::shared_ptr<MidiSource> ms
4879 = boost::dynamic_pointer_cast<MidiSource>(s->second);
4880 boost::shared_ptr<FileSource> fs
4881 = boost::dynamic_pointer_cast<FileSource>(s->second);
4883 if (ms && fs && fs->path() == path) {
4888 return boost::shared_ptr<MidiSource>();
4892 Session::count_sources_by_origin (const string& path)
4895 Glib::Threads::Mutex::Lock lm (source_lock);
4897 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
4898 boost::shared_ptr<FileSource> fs
4899 = boost::dynamic_pointer_cast<FileSource>(i->second);
4901 if (fs && fs->origin() == path) {
4910 peak_file_helper (const string& peak_path, const string& file_path, const string& file_base, bool hash) {
4912 std::string checksum = Glib::Checksum::compute_checksum(Glib::Checksum::CHECKSUM_SHA1, file_path + G_DIR_SEPARATOR + file_base);
4913 return Glib::build_filename (peak_path, checksum + peakfile_suffix);
4915 return Glib::build_filename (peak_path, file_base + peakfile_suffix);
4920 Session::construct_peak_filepath (const string& filepath, const bool in_session, const bool old_peak_name) const
4922 string interchange_dir_string = string (interchange_dir_name) + G_DIR_SEPARATOR;
4924 if (Glib::path_is_absolute (filepath)) {
4926 /* rip the session dir from the audiofile source */
4928 string session_path;
4929 bool in_another_session = true;
4931 if (filepath.find (interchange_dir_string) != string::npos) {
4933 session_path = Glib::path_get_dirname (filepath); /* now ends in audiofiles */
4934 session_path = Glib::path_get_dirname (session_path); /* now ends in session name */
4935 session_path = Glib::path_get_dirname (session_path); /* now ends in interchange */
4936 session_path = Glib::path_get_dirname (session_path); /* now has session path */
4938 /* see if it is within our session */
4940 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4941 if (i->path == session_path) {
4942 in_another_session = false;
4947 in_another_session = false;
4951 if (in_another_session) {
4952 SessionDirectory sd (session_path);
4953 return peak_file_helper (sd.peak_path(), "", Glib::path_get_basename (filepath), !old_peak_name);
4957 /* 1) if file belongs to this session
4958 * it may be a relative path (interchange/...)
4959 * or just basename (session_state, remove source)
4960 * -> just use the basename
4962 std::string filename = Glib::path_get_basename (filepath);
4965 /* 2) if the file is outside our session dir:
4966 * (imported but not copied) add the path for check-summming */
4968 path = Glib::path_get_dirname (filepath);
4971 return peak_file_helper (_session_dir->peak_path(), path, Glib::path_get_basename (filepath), !old_peak_name);
4975 Session::new_audio_source_path_for_embedded (const std::string& path)
4979 * we know that the filename is already unique because it exists
4980 * out in the filesystem.
4982 * However, when we bring it into the session, we could get a
4985 * Eg. two embedded files:
4990 * When merged into session, these collide.
4992 * There will not be a conflict with in-memory sources
4993 * because when the source was created we already picked
4994 * a unique name for it.
4996 * This collision is not likely to be common, but we have to guard
4997 * against it. So, if there is a collision, take the md5 hash of the
4998 * the path, and use that as the filename instead.
5001 SessionDirectory sdir (get_best_session_directory_for_new_audio());
5002 string base = Glib::path_get_basename (path);
5003 string newpath = Glib::build_filename (sdir.sound_path(), base);
5005 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
5009 md5.digestString (path.c_str());
5010 md5.writeToString ();
5011 base = md5.digestChars;
5013 string ext = get_suffix (path);
5020 newpath = Glib::build_filename (sdir.sound_path(), base);
5022 /* if this collides, we're screwed */
5024 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
5025 error << string_compose (_("Merging embedded file %1: name collision AND md5 hash collision!"), path) << endmsg;
5034 /** Return true if there are no audio file sources that use @param name as
5035 * the filename component of their path.
5037 * Return false otherwise.
5039 * This method MUST ONLY be used to check in-session, mono files since it
5040 * hard-codes the channel of the audio file source we are looking for as zero.
5042 * If/when Ardour supports native files in non-mono formats, the logic here
5043 * will need to be revisited.
5046 Session::audio_source_name_is_unique (const string& name)
5048 std::vector<string> sdirs = source_search_path (DataType::AUDIO);
5049 vector<space_and_path>::iterator i;
5050 uint32_t existing = 0;
5052 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
5054 /* note that we search *without* the extension so that
5055 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
5056 in the event that this new name is required for
5057 a file format change.
5060 const string spath = *i;
5062 if (matching_unsuffixed_filename_exists_in (spath, name)) {
5067 /* it is possible that we have the path already
5068 * assigned to a source that has not yet been written
5069 * (ie. the write source for a diskstream). we have to
5070 * check this in order to make sure that our candidate
5071 * path isn't used again, because that can lead to
5072 * two Sources point to the same file with different
5073 * notions of their removability.
5077 string possible_path = Glib::build_filename (spath, name);
5079 if (audio_source_by_path_and_channel (possible_path, 0)) {
5085 return (existing == 0);
5089 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)
5092 const string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
5094 if (Profile->get_trx() && destructive) {
5096 sstr << setfill ('0') << setw (4) << cnt;
5097 sstr << legalized_base;
5099 sstr << legalized_base;
5101 if (take_required || related_exists) {
5113 } else if (nchan > 2) {
5118 /* XXX what? more than 26 channels! */
5129 /** Return a unique name based on \a base for a new internal audio source */
5131 Session::new_audio_source_path (const string& base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required)
5134 string possible_name;
5135 const uint32_t limit = 9999; // arbitrary limit on number of files with the same basic name
5137 bool some_related_source_name_exists = false;
5139 legalized = legalize_for_path (base);
5141 // Find a "version" of the base name that doesn't exist in any of the possible directories.
5143 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
5145 possible_name = format_audio_source_name (legalized, nchan, chan, destructive, take_required, cnt, some_related_source_name_exists);
5147 if (audio_source_name_is_unique (possible_name)) {
5151 some_related_source_name_exists = true;
5154 error << string_compose(
5155 _("There are already %1 recordings for %2, which I consider too many."),
5156 limit, base) << endmsg;
5158 throw failed_constructor();
5162 /* We've established that the new name does not exist in any session
5163 * directory, so now find out which one we should use for this new
5167 SessionDirectory sdir (get_best_session_directory_for_new_audio());
5169 std::string s = Glib::build_filename (sdir.sound_path(), possible_name);
5174 /** Return a unique name based on `base` for a new internal MIDI source */
5176 Session::new_midi_source_path (const string& base, bool need_lock)
5178 string possible_path;
5179 string possible_name;
5181 possible_name = legalize_for_path (base);
5183 // Find a "version" of the file name that doesn't exist in any of the possible directories.
5184 std::vector<string> sdirs = source_search_path(DataType::MIDI);
5186 /* - the main session folder is the first in the vector.
5187 * - after checking all locations for file-name uniqueness,
5188 * we keep the one from the last iteration as new file name
5189 * - midi files are small and should just be kept in the main session-folder
5191 * -> reverse the array, check main session folder last and use that as location
5194 std::reverse(sdirs.begin(), sdirs.end());
5197 possible_name = bump_name_once (possible_name, '-');
5199 vector<space_and_path>::iterator i;
5200 uint32_t existing = 0;
5202 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
5204 possible_path = Glib::build_filename (*i, possible_name + ".mid");
5206 if (Glib::file_test (possible_path, Glib::FILE_TEST_EXISTS)) {
5210 if (midi_source_by_path (possible_path, need_lock)) {
5215 if (possible_path.size () >= PATH_MAX) {
5216 error << string_compose(
5217 _("There are already many recordings for %1, resulting in a too long file-path %2."),
5218 base, possible_path) << endmsg;
5223 if (existing == 0) {
5228 /* No need to "find best location" for software/app-based RAID, because
5229 MIDI is so small that we always put it in the same place.
5232 return possible_path;
5236 /** Create a new within-session audio source */
5237 boost::shared_ptr<AudioFileSource>
5238 Session::create_audio_source_for_session (size_t n_chans, string const & base, uint32_t chan, bool destructive)
5240 const string path = new_audio_source_path (base, n_chans, chan, destructive, true);
5242 if (!path.empty()) {
5243 return boost::dynamic_pointer_cast<AudioFileSource> (
5244 SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, sample_rate(), true, true));
5246 throw failed_constructor ();
5250 /** Create a new within-session MIDI source */
5251 boost::shared_ptr<MidiSource>
5252 Session::create_midi_source_for_session (string const & basic_name)
5254 const string path = new_midi_source_path (basic_name);
5256 if (!path.empty()) {
5257 return boost::dynamic_pointer_cast<SMFSource> (
5258 SourceFactory::createWritable (
5259 DataType::MIDI, *this, path, false, sample_rate()));
5261 throw failed_constructor ();
5265 /** Create a new within-session MIDI source */
5266 boost::shared_ptr<MidiSource>
5267 Session::create_midi_source_by_stealing_name (boost::shared_ptr<Track> track)
5269 /* the caller passes in the track the source will be used in,
5270 so that we can keep the numbering sane.
5272 Rationale: a track with the name "Foo" that has had N
5273 captures carried out so far will ALREADY have a write source
5274 named "Foo-N+1.mid" waiting to be used for the next capture.
5276 If we call new_midi_source_name() we will get "Foo-N+2". But
5277 there is no region corresponding to "Foo-N+1", so when
5278 "Foo-N+2" appears in the track, the gap presents the user
5279 with odd behaviour - why did it skip past Foo-N+1?
5281 We could explain this to the user in some odd way, but
5282 instead we rename "Foo-N+1.mid" as "Foo-N+2.mid", and then
5285 If that attempted rename fails, we get "Foo-N+2.mid" anyway.
5288 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (track);
5290 std::string name = track->steal_write_source_name ();
5293 return boost::shared_ptr<MidiSource>();
5296 /* MIDI files are small, just put them in the first location of the
5297 session source search path.
5300 const string path = Glib::build_filename (source_search_path (DataType::MIDI).front(), name);
5302 return boost::dynamic_pointer_cast<SMFSource> (
5303 SourceFactory::createWritable (
5304 DataType::MIDI, *this, path, false, sample_rate()));
5309 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
5311 if (playlist->hidden()) {
5315 playlists->add (playlist);
5318 playlist->release();
5325 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
5327 if (_state_of_the_state & Deletion) {
5331 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
5337 playlists->remove (playlist);
5343 Session::set_audition (boost::shared_ptr<Region> r)
5345 pending_audition_region = r;
5346 add_post_transport_work (PostTransportAudition);
5347 _butler->schedule_transport_work ();
5351 Session::audition_playlist ()
5353 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5354 ev->region.reset ();
5360 Session::register_lua_function (
5361 const std::string& name,
5362 const std::string& script,
5363 const LuaScriptParamList& args
5366 Glib::Threads::Mutex::Lock lm (lua_lock);
5368 lua_State* L = lua.getState();
5370 const std::string& bytecode = LuaScripting::get_factory_bytecode (script);
5371 luabridge::LuaRef tbl_arg (luabridge::newTable(L));
5372 for (LuaScriptParamList::const_iterator i = args.begin(); i != args.end(); ++i) {
5373 if ((*i)->optional && !(*i)->is_set) { continue; }
5374 tbl_arg[(*i)->name] = (*i)->value;
5376 (*_lua_add)(name, bytecode, tbl_arg); // throws luabridge::LuaException
5379 LuaScriptsChanged (); /* EMIT SIGNAL */
5384 Session::unregister_lua_function (const std::string& name)
5386 Glib::Threads::Mutex::Lock lm (lua_lock);
5387 (*_lua_del)(name); // throws luabridge::LuaException
5388 lua.collect_garbage ();
5391 LuaScriptsChanged (); /* EMIT SIGNAL */
5395 std::vector<std::string>
5396 Session::registered_lua_functions ()
5398 Glib::Threads::Mutex::Lock lm (lua_lock);
5399 std::vector<std::string> rv;
5402 luabridge::LuaRef list ((*_lua_list)());
5403 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5404 if (!i.key ().isString ()) { assert(0); continue; }
5405 rv.push_back (i.key ().cast<std::string> ());
5412 static void _lua_print (std::string s) {
5413 std::cout << "SessionLua: " << s << "\n";
5418 Session::try_run_lua (pframes_t nframes)
5420 if (_n_lua_scripts == 0) return;
5421 Glib::Threads::Mutex::Lock tm (lua_lock, Glib::Threads::TRY_LOCK);
5423 try { (*_lua_run)(nframes); } catch (...) { }
5424 lua.collect_garbage_step ();
5429 Session::setup_lua ()
5432 lua.Print.connect (&_lua_print);
5436 "function ArdourSession ()"
5437 " local self = { scripts = {}, instances = {} }"
5439 " local remove = function (n)"
5440 " self.scripts[n] = nil"
5441 " self.instances[n] = nil"
5442 " Session:scripts_changed()" // call back
5445 " local addinternal = function (n, f, a)"
5446 " assert(type(n) == 'string', 'function-name must be string')"
5447 " assert(type(f) == 'function', 'Given script is a not a function')"
5448 " assert(type(a) == 'table' or type(a) == 'nil', 'Given argument is invalid')"
5449 " assert(self.scripts[n] == nil, 'Callback \"'.. n ..'\" already exists.')"
5450 " self.scripts[n] = { ['f'] = f, ['a'] = a }"
5451 " 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 }"
5452 " self.instances[n] = load (string.dump(f, true), nil, nil, env)(a)"
5453 " Session:scripts_changed()" // call back
5456 " local add = function (n, b, a)"
5457 " assert(type(b) == 'string', 'ByteCode must be string')"
5458 " load (b)()" // assigns f
5459 " assert(type(f) == 'string', 'Assigned ByteCode must be string')"
5460 " addinternal (n, load(f), a)"
5463 " local run = function (...)"
5464 " for n, s in pairs (self.instances) do"
5465 " local status, err = pcall (s, ...)"
5466 " if not status then"
5467 " print ('fn \"'.. n .. '\": ', err)"
5474 " local cleanup = function ()"
5475 " self.scripts = nil"
5476 " self.instances = nil"
5479 " local list = function ()"
5481 " for n, _ in pairs (self.scripts) do"
5487 " local function basic_serialize (o)"
5488 " if type(o) == \"number\" then"
5489 " return tostring(o)"
5491 " return string.format(\"%q\", o)"
5495 " local function serialize (name, value)"
5496 " local rv = name .. ' = '"
5498 " if type(value) == \"number\" or type(value) == \"string\" or type(value) == \"nil\" then"
5499 " return rv .. basic_serialize(value) .. ' '"
5500 " elseif type(value) == \"table\" then"
5502 " for k,v in pairs(value) do"
5503 " local fieldname = string.format(\"%s[%s]\", name, basic_serialize(k))"
5504 " rv = rv .. serialize(fieldname, v) .. ' '"
5505 " collectgarbage()" // string concatenation allocates a new string :(
5508 " elseif type(value) == \"function\" then"
5509 " return rv .. string.format(\"%q\", string.dump(value, true))"
5511 " error('cannot save a ' .. type(value))"
5516 " local save = function ()"
5517 " return (serialize('scripts', self.scripts))"
5520 " local restore = function (state)"
5521 " self.scripts = {}"
5523 " for n, s in pairs (scripts) do"
5524 " addinternal (n, load(s['f']), s['a'])"
5528 " return { run = run, add = add, remove = remove,"
5529 " list = list, restore = restore, save = save, cleanup = cleanup}"
5532 " sess = ArdourSession ()"
5533 " ArdourSession = nil"
5535 "function ardour () end"
5538 lua_State* L = lua.getState();
5541 luabridge::LuaRef lua_sess = luabridge::getGlobal (L, "sess");
5542 lua.do_command ("sess = nil"); // hide it.
5543 lua.do_command ("collectgarbage()");
5545 _lua_run = new luabridge::LuaRef(lua_sess["run"]);
5546 _lua_add = new luabridge::LuaRef(lua_sess["add"]);
5547 _lua_del = new luabridge::LuaRef(lua_sess["remove"]);
5548 _lua_list = new luabridge::LuaRef(lua_sess["list"]);
5549 _lua_save = new luabridge::LuaRef(lua_sess["save"]);
5550 _lua_load = new luabridge::LuaRef(lua_sess["restore"]);
5551 _lua_cleanup = new luabridge::LuaRef(lua_sess["cleanup"]);
5552 } catch (luabridge::LuaException const& e) {
5553 fatal << string_compose (_("programming error: %1"),
5554 std::string ("Failed to setup session Lua interpreter") + e.what ())
5556 abort(); /*NOTREACHED*/
5558 fatal << string_compose (_("programming error: %1"),
5559 X_("Failed to setup session Lua interpreter"))
5561 abort(); /*NOTREACHED*/
5565 LuaBindings::stddef (L);
5566 LuaBindings::common (L);
5567 LuaBindings::dsp (L);
5569 luabridge::push <Session *> (L, this);
5570 lua_setglobal (L, "Session");
5574 Session::scripts_changed ()
5576 assert (!lua_lock.trylock()); // must hold lua_lock
5579 luabridge::LuaRef list ((*_lua_list)());
5581 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5582 if (!i.key ().isString ()) { assert(0); continue; }
5585 _n_lua_scripts = cnt;
5586 } catch (luabridge::LuaException const& e) {
5587 fatal << string_compose (_("programming error: %1"),
5588 std::string ("Indexing Lua Session Scripts failed.") + e.what ())
5590 abort(); /*NOTREACHED*/
5592 fatal << string_compose (_("programming error: %1"),
5593 X_("Indexing Lua Session Scripts failed."))
5595 abort(); /*NOTREACHED*/
5600 Session::non_realtime_set_audition ()
5602 assert (pending_audition_region);
5603 auditioner->audition_region (pending_audition_region);
5604 pending_audition_region.reset ();
5605 AuditionActive (true); /* EMIT SIGNAL */
5609 Session::audition_region (boost::shared_ptr<Region> r)
5611 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5617 Session::cancel_audition ()
5622 if (auditioner->auditioning()) {
5623 auditioner->cancel_audition ();
5624 AuditionActive (false); /* EMIT SIGNAL */
5629 Session::is_auditioning () const
5631 /* can be called before we have an auditioner object */
5633 return auditioner->auditioning();
5640 Session::graph_reordered ()
5642 /* don't do this stuff if we are setting up connections
5643 from a set_state() call or creating new tracks. Ditto for deletion.
5646 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _reconnecting_routes_in_progress || _route_deletion_in_progress) {
5652 /* force all diskstreams to update their capture offset values to
5653 * reflect any changes in latencies within the graph.
5655 update_route_latency (false, true);
5658 /** @return Number of samples that there is disk space available to write,
5661 boost::optional<samplecnt_t>
5662 Session::available_capture_duration ()
5664 Glib::Threads::Mutex::Lock lm (space_lock);
5666 if (_total_free_4k_blocks_uncertain) {
5667 return boost::optional<samplecnt_t> ();
5670 float sample_bytes_on_disk = 4.0; // keep gcc happy
5672 switch (config.get_native_file_data_format()) {
5674 sample_bytes_on_disk = 4.0;
5678 sample_bytes_on_disk = 3.0;
5682 sample_bytes_on_disk = 2.0;
5686 /* impossible, but keep some gcc versions happy */
5687 fatal << string_compose (_("programming error: %1"),
5688 X_("illegal native file data format"))
5690 abort(); /*NOTREACHED*/
5693 double scale = 4096.0 / sample_bytes_on_disk;
5695 if (_total_free_4k_blocks * scale > (double) max_samplecnt) {
5696 return max_samplecnt;
5699 return (samplecnt_t) floor (_total_free_4k_blocks * scale);
5703 Session::add_bundle (boost::shared_ptr<Bundle> bundle, bool emit_signal)
5706 RCUWriter<BundleList> writer (_bundles);
5707 boost::shared_ptr<BundleList> b = writer.get_copy ();
5708 b->push_back (bundle);
5712 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5719 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
5721 bool removed = false;
5724 RCUWriter<BundleList> writer (_bundles);
5725 boost::shared_ptr<BundleList> b = writer.get_copy ();
5726 BundleList::iterator i = find (b->begin(), b->end(), bundle);
5728 if (i != b->end()) {
5735 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5741 boost::shared_ptr<Bundle>
5742 Session::bundle_by_name (string name) const
5744 boost::shared_ptr<BundleList> b = _bundles.reader ();
5746 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
5747 if ((*i)->name() == name) {
5752 return boost::shared_ptr<Bundle> ();
5756 Session::tempo_map_changed (const PropertyChange&)
5760 playlists->update_after_tempo_map_change ();
5762 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
5768 Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
5770 for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
5771 (*i)->recompute_samples_from_beat ();
5775 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
5776 * the given count with the current block size.
5779 Session::ensure_buffers (ChanCount howmany)
5781 BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
5785 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
5787 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5788 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
5793 Session::next_insert_id ()
5795 /* this doesn't really loop forever. just think about it */
5798 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < insert_bitset.size(); ++n) {
5799 if (!insert_bitset[n]) {
5800 insert_bitset[n] = true;
5806 /* none available, so resize and try again */
5808 insert_bitset.resize (insert_bitset.size() + 16, false);
5813 Session::next_send_id ()
5815 /* this doesn't really loop forever. just think about it */
5818 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < send_bitset.size(); ++n) {
5819 if (!send_bitset[n]) {
5820 send_bitset[n] = true;
5826 /* none available, so resize and try again */
5828 send_bitset.resize (send_bitset.size() + 16, false);
5833 Session::next_aux_send_id ()
5835 /* this doesn't really loop forever. just think about it */
5838 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < aux_send_bitset.size(); ++n) {
5839 if (!aux_send_bitset[n]) {
5840 aux_send_bitset[n] = true;
5846 /* none available, so resize and try again */
5848 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
5853 Session::next_return_id ()
5855 /* this doesn't really loop forever. just think about it */
5858 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < return_bitset.size(); ++n) {
5859 if (!return_bitset[n]) {
5860 return_bitset[n] = true;
5866 /* none available, so resize and try again */
5868 return_bitset.resize (return_bitset.size() + 16, false);
5873 Session::mark_send_id (uint32_t id)
5875 if (id >= send_bitset.size()) {
5876 send_bitset.resize (id+16, false);
5878 if (send_bitset[id]) {
5879 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
5881 send_bitset[id] = true;
5885 Session::mark_aux_send_id (uint32_t id)
5887 if (id >= aux_send_bitset.size()) {
5888 aux_send_bitset.resize (id+16, false);
5890 if (aux_send_bitset[id]) {
5891 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
5893 aux_send_bitset[id] = true;
5897 Session::mark_return_id (uint32_t id)
5899 if (id >= return_bitset.size()) {
5900 return_bitset.resize (id+16, false);
5902 if (return_bitset[id]) {
5903 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
5905 return_bitset[id] = true;
5909 Session::mark_insert_id (uint32_t id)
5911 if (id >= insert_bitset.size()) {
5912 insert_bitset.resize (id+16, false);
5914 if (insert_bitset[id]) {
5915 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
5917 insert_bitset[id] = true;
5921 Session::unmark_send_id (uint32_t id)
5923 if (id < send_bitset.size()) {
5924 send_bitset[id] = false;
5929 Session::unmark_aux_send_id (uint32_t id)
5931 if (id < aux_send_bitset.size()) {
5932 aux_send_bitset[id] = false;
5937 Session::unmark_return_id (uint32_t id)
5939 if (_state_of_the_state & Deletion) { return; }
5940 if (id < return_bitset.size()) {
5941 return_bitset[id] = false;
5946 Session::unmark_insert_id (uint32_t id)
5948 if (id < insert_bitset.size()) {
5949 insert_bitset[id] = false;
5954 Session::reset_native_file_format ()
5956 boost::shared_ptr<RouteList> rl = routes.reader ();
5958 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5959 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5961 /* don't save state as we do this, there's no point
5963 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
5964 tr->reset_write_sources (false);
5965 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
5971 Session::route_name_unique (string n) const
5973 boost::shared_ptr<RouteList> r = routes.reader ();
5975 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5976 if ((*i)->name() == n) {
5985 Session::route_name_internal (string n) const
5987 if (auditioner && auditioner->name() == n) {
5991 if (_click_io && _click_io->name() == n) {
5999 Session::freeze_all (InterThreadInfo& itt)
6001 boost::shared_ptr<RouteList> r = routes.reader ();
6003 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6005 boost::shared_ptr<Track> t;
6007 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
6008 /* XXX this is wrong because itt.progress will keep returning to zero at the start
6018 boost::shared_ptr<Region>
6019 Session::write_one_track (Track& track, samplepos_t start, samplepos_t end,
6020 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
6021 InterThreadInfo& itt,
6022 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
6023 bool for_export, bool for_freeze)
6025 boost::shared_ptr<Region> result;
6026 boost::shared_ptr<Playlist> playlist;
6027 boost::shared_ptr<Source> source;
6028 ChanCount diskstream_channels (track.n_channels());
6029 samplepos_t position;
6030 samplecnt_t this_chunk;
6032 samplepos_t latency_skip;
6034 samplepos_t len = end - start;
6035 bool need_block_size_reset = false;
6036 ChanCount const max_proc = track.max_processor_streams ();
6037 string legal_playlist_name;
6038 string possible_path;
6041 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
6042 end, start) << endmsg;
6046 diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
6047 include_endpoint, for_export, for_freeze);
6049 if (diskstream_channels.n(track.data_type()) < 1) {
6050 error << _("Cannot write a range with no data.") << endmsg;
6054 // block all process callback handling
6056 block_processing ();
6059 // synchronize with AudioEngine::process_callback()
6060 // make sure processing is not currently running
6061 // and processing_blocked() is honored before
6062 // acquiring thread buffers
6063 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6066 _bounce_processing_active = true;
6068 /* call tree *MUST* hold route_lock */
6070 if ((playlist = track.playlist()) == 0) {
6074 legal_playlist_name = legalize_for_path (playlist->name());
6076 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n(track.data_type()); ++chan_n) {
6078 string base_name = string_compose ("%1-%2-bounce", playlist->name(), chan_n);
6079 string path = ((track.data_type() == DataType::AUDIO)
6080 ? new_audio_source_path (legal_playlist_name, diskstream_channels.n_audio(), chan_n, false, true)
6081 : new_midi_source_path (legal_playlist_name));
6088 source = SourceFactory::createWritable (track.data_type(), *this, path, false, sample_rate());
6091 catch (failed_constructor& err) {
6092 error << string_compose (_("cannot create new file \"%1\" for %2"), path, track.name()) << endmsg;
6096 srcs.push_back (source);
6099 /* tell redirects that care that we are about to use a much larger
6100 * blocksize. this will flush all plugins too, so that they are ready
6101 * to be used for this process.
6104 need_block_size_reset = true;
6105 track.set_block_size (bounce_chunk_size);
6106 _engine.main_thread()->get_buffers ();
6110 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
6112 /* create a set of reasonably-sized buffers */
6113 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
6114 buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
6116 buffers.set_count (max_proc);
6118 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6119 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6120 boost::shared_ptr<MidiSource> ms;
6122 afs->prepare_for_peakfile_writes ();
6123 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6124 Source::Lock lock(ms->mutex());
6125 ms->mark_streaming_write_started(lock);
6129 while (to_do && !itt.cancel) {
6131 this_chunk = min (to_do, bounce_chunk_size);
6133 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
6137 start += this_chunk;
6138 to_do -= this_chunk;
6139 itt.progress = (float) (1.0 - ((double) to_do / len));
6141 if (latency_skip >= bounce_chunk_size) {
6142 latency_skip -= bounce_chunk_size;
6146 const samplecnt_t current_chunk = this_chunk - latency_skip;
6149 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
6150 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6151 boost::shared_ptr<MidiSource> ms;
6154 if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
6157 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6158 Source::Lock lock(ms->mutex());
6160 const MidiBuffer& buf = buffers.get_midi(0);
6161 for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
6162 Evoral::Event<samplepos_t> ev = *i;
6163 ev.set_time(ev.time() - position);
6164 ms->append_event_samples(lock, ev, ms->timeline_position());
6171 /* post-roll, pick up delayed processor output */
6172 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
6174 while (latency_skip && !itt.cancel) {
6175 this_chunk = min (latency_skip, bounce_chunk_size);
6176 latency_skip -= this_chunk;
6178 buffers.silence (this_chunk, 0);
6179 track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
6182 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
6183 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6186 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
6198 xnow = localtime (&now);
6200 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
6201 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6202 boost::shared_ptr<MidiSource> ms;
6205 afs->update_header (position, *xnow, now);
6206 afs->flush_header ();
6207 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6208 Source::Lock lock(ms->mutex());
6209 ms->mark_streaming_write_completed(lock);
6213 /* construct a region to represent the bounced material */
6217 plist.add (Properties::start, 0);
6218 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
6219 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
6221 result = RegionFactory::create (srcs, plist);
6227 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6228 (*src)->mark_for_remove ();
6229 (*src)->drop_references ();
6233 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6234 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6237 afs->done_with_peakfile_writes ();
6241 _bounce_processing_active = false;
6243 if (need_block_size_reset) {
6244 _engine.main_thread()->drop_buffers ();
6245 track.set_block_size (get_block_size());
6248 unblock_processing ();
6254 Session::gain_automation_buffer() const
6256 return ProcessThread::gain_automation_buffer ();
6260 Session::trim_automation_buffer() const
6262 return ProcessThread::trim_automation_buffer ();
6266 Session::send_gain_automation_buffer() const
6268 return ProcessThread::send_gain_automation_buffer ();
6272 Session::scratch_automation_buffer() const
6274 return ProcessThread::scratch_automation_buffer ();
6278 Session::pan_automation_buffer() const
6280 return ProcessThread::pan_automation_buffer ();
6284 Session::get_silent_buffers (ChanCount count)
6286 return ProcessThread::get_silent_buffers (count);
6290 Session::get_scratch_buffers (ChanCount count, bool silence)
6292 return ProcessThread::get_scratch_buffers (count, silence);
6296 Session::get_noinplace_buffers (ChanCount count)
6298 return ProcessThread::get_noinplace_buffers (count);
6302 Session::get_route_buffers (ChanCount count, bool silence)
6304 return ProcessThread::get_route_buffers (count, silence);
6309 Session::get_mix_buffers (ChanCount count)
6311 return ProcessThread::get_mix_buffers (count);
6315 Session::ntracks () const
6318 boost::shared_ptr<RouteList> r = routes.reader ();
6320 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
6321 if (boost::dynamic_pointer_cast<Track> (*i)) {
6330 Session::nbusses () const
6333 boost::shared_ptr<RouteList> r = routes.reader ();
6335 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
6336 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
6345 Session::nstripables (bool with_monitor) const
6347 uint32_t rv = routes.reader()->size ();
6348 rv += _vca_manager->vcas ().size ();
6362 Session::add_automation_list(AutomationList *al)
6364 automation_lists[al->id()] = al;
6367 /** @return true if there is at least one record-enabled track, otherwise false */
6369 Session::have_rec_enabled_track () const
6371 return g_atomic_int_get (const_cast<gint*>(&_have_rec_enabled_track)) == 1;
6375 Session::have_rec_disabled_track () const
6377 return g_atomic_int_get (const_cast<gint*>(&_have_rec_disabled_track)) == 1;
6380 /** Update the state of our rec-enabled tracks flag */
6382 Session::update_route_record_state ()
6384 boost::shared_ptr<RouteList> rl = routes.reader ();
6385 RouteList::iterator i = rl->begin();
6386 while (i != rl->end ()) {
6388 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6389 if (tr && tr->rec_enable_control()->get_value()) {
6396 int const old = g_atomic_int_get (&_have_rec_enabled_track);
6398 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
6400 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
6401 RecordStateChanged (); /* EMIT SIGNAL */
6404 for (i = rl->begin(); i != rl->end (); ++i) {
6405 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6406 if (tr && !tr->rec_enable_control()->get_value()) {
6411 g_atomic_int_set (&_have_rec_disabled_track, i != rl->end () ? 1 : 0);
6413 bool record_arm_state_changed = (old != g_atomic_int_get (&_have_rec_enabled_track) );
6415 if (record_status() == Recording && record_arm_state_changed ) {
6416 RecordArmStateChanged ();
6422 Session::listen_position_changed ()
6424 ProcessorChangeBlocker pcb (this);
6425 boost::shared_ptr<RouteList> r = routes.reader ();
6426 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6427 (*i)->listen_position_changed ();
6432 Session::solo_control_mode_changed ()
6434 if (soloing() || listening()) {
6436 /* We can't use ::clear_all_solo_state() here because during
6437 session loading at program startup, that will queue a call
6438 to rt_clear_all_solo_state() that will not execute until
6439 AFTER solo states have been established (thus throwing away
6440 the session's saved solo state). So just explicitly turn
6443 set_controls (route_list_to_control_list (get_routes(), &Stripable::solo_control), 0.0, Controllable::NoGroup);
6445 clear_all_solo_state (get_routes());
6450 /** Called when a property of one of our route groups changes */
6452 Session::route_group_property_changed (RouteGroup* rg)
6454 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
6457 /** Called when a route is added to one of our route groups */
6459 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6461 RouteAddedToRouteGroup (rg, r);
6464 /** Called when a route is removed from one of our route groups */
6466 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6468 update_route_record_state ();
6469 RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
6471 if (!rg->has_control_master () && !rg->has_subgroup () && rg->empty()) {
6472 remove_route_group (*rg);
6476 boost::shared_ptr<AudioTrack>
6477 Session::get_nth_audio_track (int nth) const
6479 boost::shared_ptr<RouteList> rl = routes.reader ();
6480 rl->sort (Stripable::Sorter ());
6482 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
6483 if (!boost::dynamic_pointer_cast<AudioTrack> (*r)) {
6490 return boost::dynamic_pointer_cast<AudioTrack> (*r);
6492 return boost::shared_ptr<AudioTrack> ();
6495 boost::shared_ptr<RouteList>
6496 Session::get_tracks () const
6498 boost::shared_ptr<RouteList> rl = routes.reader ();
6499 boost::shared_ptr<RouteList> tl (new RouteList);
6501 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
6502 if (boost::dynamic_pointer_cast<Track> (*r)) {
6503 assert (!(*r)->is_auditioner()); // XXX remove me
6510 boost::shared_ptr<RouteList>
6511 Session::get_routes_with_regions_at (samplepos_t const p) const
6513 boost::shared_ptr<RouteList> r = routes.reader ();
6514 boost::shared_ptr<RouteList> rl (new RouteList);
6516 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6517 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6522 boost::shared_ptr<Playlist> pl = tr->playlist ();
6527 if (pl->has_region_at (p)) {
6536 Session::goto_end ()
6538 if (_session_range_location) {
6539 request_locate (_session_range_location->end(), false);
6541 request_locate (0, false);
6546 Session::goto_start (bool and_roll)
6548 if (_session_range_location) {
6549 request_locate (_session_range_location->start(), and_roll);
6551 request_locate (0, and_roll);
6556 Session::current_start_sample () const
6558 return _session_range_location ? _session_range_location->start() : 0;
6562 Session::current_end_sample () const
6564 return _session_range_location ? _session_range_location->end() : 0;
6568 Session::set_session_range_location (samplepos_t start, samplepos_t end)
6570 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange, 0);
6571 _locations->add (_session_range_location);
6575 Session::step_edit_status_change (bool yn)
6581 send = (_step_editors == 0);
6586 send = (_step_editors == 1);
6589 if (_step_editors > 0) {
6595 StepEditStatusChange (val);
6601 Session::start_time_changed (samplepos_t old)
6603 /* Update the auto loop range to match the session range
6604 (unless the auto loop range has been changed by the user)
6607 Location* s = _locations->session_range_location ();
6612 Location* l = _locations->auto_loop_location ();
6614 if (l && l->start() == old) {
6615 l->set_start (s->start(), true);
6621 Session::end_time_changed (samplepos_t old)
6623 /* Update the auto loop range to match the session range
6624 (unless the auto loop range has been changed by the user)
6627 Location* s = _locations->session_range_location ();
6632 Location* l = _locations->auto_loop_location ();
6634 if (l && l->end() == old) {
6635 l->set_end (s->end(), true);
6640 std::vector<std::string>
6641 Session::source_search_path (DataType type) const
6645 if (session_dirs.size() == 1) {
6647 case DataType::AUDIO:
6648 sp.push_back (_session_dir->sound_path());
6650 case DataType::MIDI:
6651 sp.push_back (_session_dir->midi_path());
6655 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
6656 SessionDirectory sdir (i->path);
6658 case DataType::AUDIO:
6659 sp.push_back (sdir.sound_path());
6661 case DataType::MIDI:
6662 sp.push_back (sdir.midi_path());
6668 if (type == DataType::AUDIO) {
6669 const string sound_path_2X = _session_dir->sound_path_2X();
6670 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
6671 if (find (sp.begin(), sp.end(), sound_path_2X) == sp.end()) {
6672 sp.push_back (sound_path_2X);
6677 // now check the explicit (possibly user-specified) search path
6680 case DataType::AUDIO:
6681 sp += Searchpath(config.get_audio_search_path ());
6683 case DataType::MIDI:
6684 sp += Searchpath(config.get_midi_search_path ());
6692 Session::ensure_search_path_includes (const string& path, DataType type)
6701 case DataType::AUDIO:
6702 sp += Searchpath(config.get_audio_search_path ());
6704 case DataType::MIDI:
6705 sp += Searchpath (config.get_midi_search_path ());
6709 for (vector<std::string>::iterator i = sp.begin(); i != sp.end(); ++i) {
6710 /* No need to add this new directory if it has the same inode as
6711 an existing one; checking inode rather than name prevents duplicated
6712 directories when we are using symlinks.
6714 On Windows, I think we could just do if (*i == path) here.
6716 if (PBD::equivalent_paths (*i, path)) {
6724 case DataType::AUDIO:
6725 config.set_audio_search_path (sp.to_string());
6727 case DataType::MIDI:
6728 config.set_midi_search_path (sp.to_string());
6734 Session::remove_dir_from_search_path (const string& dir, DataType type)
6739 case DataType::AUDIO:
6740 sp = Searchpath(config.get_audio_search_path ());
6742 case DataType::MIDI:
6743 sp = Searchpath (config.get_midi_search_path ());
6750 case DataType::AUDIO:
6751 config.set_audio_search_path (sp.to_string());
6753 case DataType::MIDI:
6754 config.set_midi_search_path (sp.to_string());
6760 boost::shared_ptr<Speakers>
6761 Session::get_speakers()
6767 Session::unknown_processors () const
6771 boost::shared_ptr<RouteList> r = routes.reader ();
6772 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6773 list<string> t = (*i)->unknown_processors ();
6774 copy (t.begin(), t.end(), back_inserter (p));
6784 Session::set_worst_io_latencies_x (IOChange, void *)
6786 set_worst_io_latencies ();
6790 Session::send_latency_compensation_change ()
6792 /* As a result of Send::set_output_latency()
6793 * or InternalReturn::set_playback_offset ()
6794 * the send's own latency can change (source track
6795 * is aligned with target bus).
6797 * This can only happen be triggered by
6798 * Route::update_signal_latency ()
6799 * when updating the processor latency.
6801 * We need to walk the graph again to take those changes into account
6802 * (we should probably recurse or process the graph in a 2 step process).
6804 ++_send_latency_changes;
6808 Session::update_route_latency (bool playback, bool apply_to_delayline)
6810 /* Note: RouteList is process-graph sorted */
6811 boost::shared_ptr<RouteList> r = routes.reader ();
6814 /* reverse the list so that we work backwards from the last route to run to the first,
6815 * this is not needed, but can help to reduce the iterations for aux-sends.
6817 RouteList* rl = routes.reader().get();
6818 r.reset (new RouteList (*rl));
6819 reverse (r->begin(), r->end());
6822 bool changed = false;
6825 _send_latency_changes = 0;
6826 _worst_route_latency = 0;
6828 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6829 // if (!(*i)->active()) { continue ; } // TODO
6831 if ((*i)->signal_latency () != (l = (*i)->update_signal_latency (apply_to_delayline))) {
6834 _worst_route_latency = std::max (l, _worst_route_latency);
6837 if (_send_latency_changes > 0) {
6838 // only 1 extra iteration is needed (we allow only 1 level of aux-sends)
6839 // BUT.. jack'n'sends'n'bugs
6840 if (++bailout < 5) {
6841 cerr << "restarting Session::update_latency. # of send changes: " << _send_latency_changes << " iteration: " << bailout << endl;
6846 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_route_latency, (changed ? "yes" : "no")));
6852 Session::update_latency (bool playback)
6854 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
6856 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _route_deletion_in_progress) {
6859 if (!_engine.running()) {
6863 /* Note; RouteList is sorted as process-graph */
6864 boost::shared_ptr<RouteList> r = routes.reader ();
6867 /* reverse the list so that we work backwards from the last route to run to the first */
6868 RouteList* rl = routes.reader().get();
6869 r.reset (new RouteList (*rl));
6870 reverse (r->begin(), r->end());
6873 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6874 samplecnt_t latency = (*i)->set_private_port_latencies (playback);
6875 (*i)->set_public_port_latencies (latency, playback);
6879 set_worst_output_latency ();
6880 update_route_latency (true, true);
6882 set_worst_input_latency ();
6883 update_route_latency (false, false);
6886 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
6890 Session::initialize_latencies ()
6893 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6894 update_latency (false);
6895 update_latency (true);
6898 set_worst_io_latencies ();
6902 Session::set_worst_io_latencies ()
6904 set_worst_output_latency ();
6905 set_worst_input_latency ();
6909 Session::set_worst_output_latency ()
6911 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6915 _worst_output_latency = 0;
6917 if (!_engine.connected()) {
6921 boost::shared_ptr<RouteList> r = routes.reader ();
6923 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6924 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
6927 _worst_output_latency = max (_worst_output_latency, _click_io->latency());
6929 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
6933 Session::set_worst_input_latency ()
6935 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6939 _worst_input_latency = 0;
6941 if (!_engine.connected()) {
6945 boost::shared_ptr<RouteList> r = routes.reader ();
6947 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6948 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
6951 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
6955 Session::update_latency_compensation (bool force_whole_graph)
6957 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6960 /* this lock is not usually contended, but under certain conditions,
6961 * update_latency_compensation may be called concurrently.
6962 * e.g. drag/drop copy a latent plugin while rolling.
6963 * GUI thread (via route_processors_changed) and
6964 * auto_connect_thread_run may race.
6966 Glib::Threads::Mutex::Lock lx (_update_latency_lock, Glib::Threads::TRY_LOCK);
6968 /* no need to do this twice */
6972 bool some_track_latency_changed = update_route_latency (false, false);
6974 if (some_track_latency_changed || force_whole_graph) {
6975 _engine.update_latencies ();
6976 /* above call will ask the backend up update its latencies, which
6977 * eventually will trigger AudioEngine::latency_callback () and
6978 * call Session::update_latency ()
6981 boost::shared_ptr<RouteList> r = routes.reader ();
6982 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6983 (*i)->apply_latency_compensation ();
6989 Session::session_name_is_legal (const string& path)
6991 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
6993 for (int i = 0; illegal_chars[i]; ++i) {
6994 if (path.find (illegal_chars[i]) != string::npos) {
6995 return illegal_chars[i];
7003 Session::notify_presentation_info_change ()
7005 if (deletion_in_progress()) {
7009 reassign_track_numbers();
7011 #ifdef USE_TRACKS_CODE_FEATURES
7012 /* Waves Tracks: for Waves Tracks session it's required to reconnect their IOs
7013 * if track order has been changed by user
7015 reconnect_existing_routes(true, true);
7021 Session::operation_in_progress (GQuark op) const
7023 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
7026 boost::shared_ptr<Port>
7027 Session::ltc_output_port () const
7029 return _ltc_output ? _ltc_output->nth (0) : boost::shared_ptr<Port> ();
7033 Session::reconnect_ltc_output ()
7037 string src = Config->get_ltc_output_port();
7039 _ltc_output->disconnect (this);
7041 if (src != _("None") && !src.empty()) {
7042 _ltc_output->nth (0)->connect (src);
7048 Session::set_range_selection (samplepos_t start, samplepos_t end)
7050 _range_selection = Evoral::Range<samplepos_t> (start, end);
7051 #ifdef USE_TRACKS_CODE_FEATURES
7052 follow_playhead_priority ();
7057 Session::set_object_selection (samplepos_t start, samplepos_t end)
7059 _object_selection = Evoral::Range<samplepos_t> (start, end);
7060 #ifdef USE_TRACKS_CODE_FEATURES
7061 follow_playhead_priority ();
7066 Session::clear_range_selection ()
7068 _range_selection = Evoral::Range<samplepos_t> (-1,-1);
7069 #ifdef USE_TRACKS_CODE_FEATURES
7070 follow_playhead_priority ();
7075 Session::clear_object_selection ()
7077 _object_selection = Evoral::Range<samplepos_t> (-1,-1);
7078 #ifdef USE_TRACKS_CODE_FEATURES
7079 follow_playhead_priority ();
7084 Session::auto_connect_route (boost::shared_ptr<Route> route, bool connect_inputs,
7085 const ChanCount& input_start,
7086 const ChanCount& output_start,
7087 const ChanCount& input_offset,
7088 const ChanCount& output_offset)
7090 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7091 _auto_connect_queue.push (AutoConnectRequest (route, connect_inputs,
7092 input_start, output_start,
7093 input_offset, output_offset));
7095 auto_connect_thread_wakeup ();
7099 Session::auto_connect_thread_wakeup ()
7101 if (pthread_mutex_trylock (&_auto_connect_mutex) == 0) {
7102 pthread_cond_signal (&_auto_connect_cond);
7103 pthread_mutex_unlock (&_auto_connect_mutex);
7108 Session::queue_latency_recompute ()
7110 g_atomic_int_inc (&_latency_recompute_pending);
7111 auto_connect_thread_wakeup ();
7115 Session::auto_connect (const AutoConnectRequest& ar)
7117 boost::shared_ptr<Route> route = ar.route.lock();
7119 if (!route) { return; }
7121 if (!IO::connecting_legal) {
7125 /* If both inputs and outputs are auto-connected to physical ports,
7126 * use the max of input and output offsets to ensure auto-connected
7127 * port numbers always match up (e.g. the first audio input and the
7128 * first audio output of the route will have the same physical
7129 * port number). Otherwise just use the lowest input or output
7133 const bool in_out_physical =
7134 (Config->get_input_auto_connect() & AutoConnectPhysical)
7135 && (Config->get_output_auto_connect() & AutoConnectPhysical)
7136 && ar.connect_inputs;
7138 const ChanCount in_offset = in_out_physical
7139 ? ChanCount::max(ar.input_offset, ar.output_offset)
7142 const ChanCount out_offset = in_out_physical
7143 ? ChanCount::max(ar.input_offset, ar.output_offset)
7146 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
7147 vector<string> physinputs;
7148 vector<string> physoutputs;
7151 /* for connecting track inputs we only want MIDI ports marked
7155 get_physical_ports (physinputs, physoutputs, *t, MidiPortMusic);
7157 if (!physinputs.empty() && ar.connect_inputs) {
7158 uint32_t nphysical_in = physinputs.size();
7160 for (uint32_t i = ar.input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
7163 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
7164 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
7167 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
7173 if (!physoutputs.empty()) {
7174 uint32_t nphysical_out = physoutputs.size();
7175 for (uint32_t i = ar.output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
7179 * do not create new connections if we reached the limit of physical outputs
7182 if (!(Config->get_output_auto_connect() & AutoConnectMaster) &&
7183 ARDOUR::Profile->get_trx () &&
7184 ar.output_offset.get(*t) == nphysical_out ) {
7188 if ((*t) == DataType::MIDI && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
7189 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
7190 } else if ((*t) == DataType::AUDIO && (Config->get_output_auto_connect() & AutoConnectMaster)) {
7191 /* master bus is audio only */
7192 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
7193 port = _master_out->input()->ports().port(*t,
7194 i % _master_out->input()->n_ports().get(*t))->name();
7198 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
7207 Session::auto_connect_thread_start ()
7209 if (g_atomic_int_get (&_ac_thread_active)) {
7213 while (!_auto_connect_queue.empty ()) {
7214 _auto_connect_queue.pop ();
7217 g_atomic_int_set (&_ac_thread_active, 1);
7218 if (pthread_create (&_auto_connect_thread, NULL, auto_connect_thread, this)) {
7219 g_atomic_int_set (&_ac_thread_active, 0);
7224 Session::auto_connect_thread_terminate ()
7226 if (!g_atomic_int_get (&_ac_thread_active)) {
7231 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7232 while (!_auto_connect_queue.empty ()) {
7233 _auto_connect_queue.pop ();
7237 /* cannot use auto_connect_thread_wakeup() because that is allowed to
7238 * fail to wakeup the thread.
7241 pthread_mutex_lock (&_auto_connect_mutex);
7242 g_atomic_int_set (&_ac_thread_active, 0);
7243 pthread_cond_signal (&_auto_connect_cond);
7244 pthread_mutex_unlock (&_auto_connect_mutex);
7247 pthread_join (_auto_connect_thread, &status);
7251 Session::auto_connect_thread (void *arg)
7253 Session *s = static_cast<Session *>(arg);
7254 s->auto_connect_thread_run ();
7260 Session::auto_connect_thread_run ()
7262 pthread_set_name (X_("autoconnect"));
7263 SessionEvent::create_per_thread_pool (X_("autoconnect"), 1024);
7264 PBD::notify_event_loops_about_thread_creation (pthread_self(), X_("autoconnect"), 1024);
7265 pthread_mutex_lock (&_auto_connect_mutex);
7266 while (g_atomic_int_get (&_ac_thread_active)) {
7268 if (!_auto_connect_queue.empty ()) {
7269 // Why would we need the process lock ??
7270 // A: if ports are added while we're connecting, the backend's iterator may be invalidated:
7271 // graph_order_callback() -> resort_routes() -> direct_feeds_according_to_reality () -> backend::connected_to()
7272 // All ardour-internal backends use a std::vector xxxAudioBackend::find_port()
7273 // We have control over those, but what does jack do?
7274 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7276 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7277 while (!_auto_connect_queue.empty ()) {
7278 const AutoConnectRequest ar (_auto_connect_queue.front());
7279 _auto_connect_queue.pop ();
7286 if (!actively_recording ()) { // might not be needed,
7287 /* this is only used for updating plugin latencies, the
7288 * graph does not change. so it's safe in general.
7290 * update_latency_compensation ()
7291 * calls DiskWriter::set_capture_offset () which
7292 * modifies the capture-offset, which can be a problem.
7294 while (g_atomic_int_and (&_latency_recompute_pending, 0)) {
7295 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7296 update_latency_compensation ();
7301 // this may call ARDOUR::Port::drop ... jack_port_unregister ()
7302 // jack1 cannot cope with removing ports while processing
7303 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7304 AudioEngine::instance()->clear_pending_port_deletions ();
7307 pthread_cond_wait (&_auto_connect_cond, &_auto_connect_mutex);
7309 pthread_mutex_unlock (&_auto_connect_mutex);
7313 Session::cancel_all_solo ()
7317 get_stripables (sl);
7319 set_controls (stripable_list_to_control_list (sl, &Stripable::solo_control), 0.0, Controllable::NoGroup);
7320 clear_all_solo_state (routes.reader());
7324 Session::maybe_update_tempo_from_midiclock_tempo (float bpm)
7326 if (_tempo_map->n_tempos() == 1) {
7327 TempoSection& ts (_tempo_map->tempo_section_at_sample (0));
7328 if (fabs (ts.note_types_per_minute() - bpm) > (0.01 * ts.note_types_per_minute())) {
7329 const Tempo tempo (bpm, 4.0, bpm);
7330 std::cerr << "new tempo " << bpm << " old " << ts.note_types_per_minute() << std::endl;
7331 _tempo_map->replace_tempo (ts, tempo, 0.0, 0.0, AudioTime);