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 /* allow deletion when session is unloaded */
1165 if (!_engine.running() && !(_state_of_the_state & Deletion)) {
1166 error << _("Cannot remove monitor section while the engine is offline.") << endmsg;
1170 /* force reversion to Solo-In-Place */
1171 Config->set_solo_control_is_listen_control (false);
1173 /* if we are auditioning, cancel it ... this is a workaround
1174 to a problem (auditioning does not execute the process graph,
1175 which is needed to remove routes when using >1 core for processing)
1180 /* Hold process lock while doing this so that we don't hear bits and
1181 * pieces of audio as we work on each route.
1184 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1186 /* Connect tracks to monitor section. Note that in an
1187 existing session, the internal sends will already exist, but we want the
1188 routes to notice that they connect to the control out specifically.
1192 boost::shared_ptr<RouteList> r = routes.reader ();
1193 ProcessorChangeBlocker pcb (this, false);
1195 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
1197 if ((*x)->is_monitor()) {
1199 } else if ((*x)->is_master()) {
1202 (*x)->remove_aux_or_listen (_monitor_out);
1207 remove_route (_monitor_out);
1208 if (_state_of_the_state & Deletion) {
1212 auto_connect_master_bus ();
1215 auditioner->connect ();
1218 Config->ParameterChanged ("use-monitor-bus");
1222 Session::add_monitor_section ()
1226 if (!_engine.running()) {
1227 error << _("Cannot create monitor section while the engine is offline.") << endmsg;
1231 if (_monitor_out || !_master_out || Profile->get_trx()) {
1235 boost::shared_ptr<Route> r (new Route (*this, _("Monitor"), PresentationInfo::MonitorOut, DataType::AUDIO));
1241 BOOST_MARK_ROUTE(r);
1244 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1245 r->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1246 r->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1248 error << _("Cannot create monitor section. 'Monitor' Port name is not unique.") << endmsg;
1253 add_routes (rl, false, false, false, 0);
1255 assert (_monitor_out);
1257 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
1258 are undefined, at best.
1261 uint32_t limit = _monitor_out->n_inputs().n_audio();
1265 /* connect the inputs to the master bus outputs. this
1266 * represents a separate data feed from the internal sends from
1267 * each route. as of jan 2011, it allows the monitor section to
1268 * conditionally ignore either the internal sends or the normal
1269 * input feed, but we should really find a better way to do
1273 _master_out->output()->disconnect (this);
1275 for (uint32_t n = 0; n < limit; ++n) {
1276 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1277 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1280 string connect_to = o->name();
1281 if (_monitor_out->input()->connect (p, connect_to, this)) {
1282 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1290 /* if monitor section is not connected, connect it to physical outs
1293 if ((Config->get_auto_connect_standard_busses () || Profile->get_mixbus ()) && !_monitor_out->output()->connected ()) {
1295 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1297 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1300 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1302 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1303 Config->get_monitor_bus_preferred_bundle())
1309 /* Monitor bus is audio only */
1311 vector<string> outputs[DataType::num_types];
1313 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1314 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1317 uint32_t mod = outputs[DataType::AUDIO].size();
1318 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1322 for (uint32_t n = 0; n < limit; ++n) {
1324 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1326 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1327 connect_to = outputs[DataType::AUDIO][n % mod];
1330 if (!connect_to.empty()) {
1331 if (_monitor_out->output()->connect (p, connect_to, this)) {
1332 error << string_compose (
1333 _("cannot connect control output %1 to %2"),
1344 /* Hold process lock while doing this so that we don't hear bits and
1345 * pieces of audio as we work on each route.
1348 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1350 /* Connect tracks to monitor section. Note that in an
1351 existing session, the internal sends will already exist, but we want the
1352 routes to notice that they connect to the control out specifically.
1356 boost::shared_ptr<RouteList> rls = routes.reader ();
1358 ProcessorChangeBlocker pcb (this, false /* XXX */);
1360 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1362 if ((*x)->is_monitor()) {
1364 } else if ((*x)->is_master()) {
1367 (*x)->enable_monitor_send ();
1372 auditioner->connect ();
1374 Config->ParameterChanged ("use-monitor-bus");
1378 Session::reset_monitor_section ()
1380 /* Process lock should be held by the caller.*/
1382 if (!_monitor_out || Profile->get_trx()) {
1386 uint32_t limit = _master_out->n_outputs().n_audio();
1388 /* connect the inputs to the master bus outputs. this
1389 * represents a separate data feed from the internal sends from
1390 * each route. as of jan 2011, it allows the monitor section to
1391 * conditionally ignore either the internal sends or the normal
1392 * input feed, but we should really find a better way to do
1396 _master_out->output()->disconnect (this);
1397 _monitor_out->output()->disconnect (this);
1399 // monitor section follow master bus - except midi
1400 ChanCount mon_chn (_master_out->output()->n_ports());
1401 mon_chn.set_midi (0);
1403 _monitor_out->input()->ensure_io (mon_chn, false, this);
1404 _monitor_out->output()->ensure_io (mon_chn, false, this);
1406 for (uint32_t n = 0; n < limit; ++n) {
1407 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1408 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1411 string connect_to = o->name();
1412 if (_monitor_out->input()->connect (p, connect_to, this)) {
1413 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1420 /* connect monitor section to physical outs
1423 if (Config->get_auto_connect_standard_busses()) {
1425 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1427 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1430 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1432 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1433 Config->get_monitor_bus_preferred_bundle())
1439 /* Monitor bus is audio only */
1441 vector<string> outputs[DataType::num_types];
1443 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1444 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1447 uint32_t mod = outputs[DataType::AUDIO].size();
1448 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1452 for (uint32_t n = 0; n < limit; ++n) {
1454 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1456 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1457 connect_to = outputs[DataType::AUDIO][n % mod];
1460 if (!connect_to.empty()) {
1461 if (_monitor_out->output()->connect (p, connect_to, this)) {
1462 error << string_compose (
1463 _("cannot connect control output %1 to %2"),
1474 /* Connect tracks to monitor section. Note that in an
1475 existing session, the internal sends will already exist, but we want the
1476 routes to notice that they connect to the control out specifically.
1480 boost::shared_ptr<RouteList> rls = routes.reader ();
1482 ProcessorChangeBlocker pcb (this, false);
1484 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1486 if ((*x)->is_monitor()) {
1488 } else if ((*x)->is_master()) {
1491 (*x)->enable_monitor_send ();
1497 Session::add_master_bus (ChanCount const& count)
1499 if (master_out ()) {
1505 boost::shared_ptr<Route> r (new Route (*this, _("Master"), PresentationInfo::MasterOut, DataType::AUDIO));
1510 BOOST_MARK_ROUTE(r);
1513 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1514 r->input()->ensure_io (count, false, this);
1515 r->output()->ensure_io (count, false, this);
1519 add_routes (rl, false, false, false, PresentationInfo::max_order);
1524 Session::hookup_io ()
1526 /* stop graph reordering notifications from
1527 causing resorts, etc.
1530 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
1534 /* we delay creating the auditioner till now because
1535 it makes its own connections to ports.
1539 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
1541 throw failed_constructor ();
1546 catch (failed_constructor& err) {
1547 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
1551 /* load bundles, which we may have postponed earlier on */
1552 if (_bundle_xml_node) {
1553 load_bundles (*_bundle_xml_node);
1554 delete _bundle_xml_node;
1557 /* Tell all IO objects to connect themselves together */
1559 IO::enable_connecting ();
1561 /* Now tell all "floating" ports to connect to whatever
1562 they should be connected to.
1565 AudioEngine::instance()->reconnect_ports ();
1567 /* Anyone who cares about input state, wake up and do something */
1569 IOConnectionsComplete (); /* EMIT SIGNAL */
1571 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
1573 /* now handle the whole enchilada as if it was one
1574 graph reorder event.
1579 /* update the full solo state, which can't be
1580 correctly determined on a per-route basis, but
1581 needs the global overview that only the session
1585 update_route_solo_state ();
1589 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
1591 boost::shared_ptr<Track> track = wp.lock ();
1596 boost::shared_ptr<Playlist> playlist;
1598 if ((playlist = track->playlist()) != 0) {
1599 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
1600 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
1601 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
1606 Session::record_enabling_legal () const
1608 /* this used to be in here, but survey says.... we don't need to restrict it */
1609 // if (record_status() == Recording) {
1613 if (Config->get_all_safe()) {
1620 Session::set_track_monitor_input_status (bool yn)
1622 boost::shared_ptr<RouteList> rl = routes.reader ();
1623 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1624 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
1625 if (tr && tr->rec_enable_control()->get_value()) {
1626 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
1627 tr->request_input_monitoring (yn);
1633 Session::auto_punch_start_changed (Location* location)
1635 replace_event (SessionEvent::PunchIn, location->start());
1637 if (get_record_enabled() && config.get_punch_in() && !actively_recording ()) {
1638 /* capture start has been changed, so save new pending state */
1639 save_state ("", true);
1644 Session::auto_punch_end_changed (Location* location)
1646 replace_event (SessionEvent::PunchOut, location->end());
1650 Session::auto_punch_changed (Location* location)
1652 auto_punch_start_changed (location);
1653 auto_punch_end_changed (location);
1656 /** @param loc A loop location.
1657 * @param pos Filled in with the start time of the required fade-out (in session samples).
1658 * @param length Filled in with the length of the required fade-out.
1661 Session::auto_loop_declick_range (Location* loc, samplepos_t & pos, samplepos_t & length)
1663 pos = max (loc->start(), loc->end() - 64);
1664 length = loc->end() - pos;
1668 Session::auto_loop_changed (Location* location)
1670 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
1673 auto_loop_declick_range (location, dcp, dcl);
1675 bool rolling = transport_rolling ();
1677 if (rolling && play_loop) {
1679 if (_transport_sample < location->start() || _transport_sample > location->end()) {
1680 // relocate to beginning of loop
1681 clear_events (SessionEvent::LocateRoll);
1682 request_locate (location->start(), true);
1686 clear_events (SessionEvent::AutoLoop);
1689 /* possibly move playhead if not rolling; if we are rolling we'll move
1690 to the loop start on stop if that is appropriate.
1695 if (!rolling && select_playhead_priority_target (pos)) {
1696 if (pos == location->start()) {
1697 request_locate (pos);
1701 last_loopend = location->end();
1706 Session::set_auto_punch_location (Location* location)
1710 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
1711 punch_connections.drop_connections();
1712 existing->set_auto_punch (false, this);
1713 clear_events (SessionEvent::PunchIn);
1714 clear_events (SessionEvent::PunchOut);
1715 auto_punch_location_changed (0);
1720 if (location == 0) {
1724 if (location->end() <= location->start()) {
1725 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1729 punch_connections.drop_connections ();
1731 location->StartChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, location));
1732 location->EndChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, location));
1733 location->Changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, location));
1735 location->set_auto_punch (true, this);
1737 auto_punch_changed (location);
1739 auto_punch_location_changed (location);
1743 Session::set_session_extents (samplepos_t start, samplepos_t end)
1746 if ((existing = _locations->session_range_location()) == 0) {
1747 //if there is no existing session, we need to make a new session location (should never happen)
1748 existing = new Location (*this, 0, 0, _("session"), Location::IsSessionRange, 0);
1752 error << _("Session: you can't use that location for session start/end)") << endmsg;
1756 existing->set( start, end );
1762 Session::set_auto_loop_location (Location* location)
1766 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
1767 loop_connections.drop_connections ();
1768 existing->set_auto_loop (false, this);
1769 remove_event (existing->end(), SessionEvent::AutoLoop);
1772 auto_loop_declick_range (existing, dcp, dcl);
1773 auto_loop_location_changed (0);
1778 if (location == 0) {
1782 if (location->end() <= location->start()) {
1783 error << _("You cannot use this location for auto-loop because it has zero or negative length") << endmsg;
1787 last_loopend = location->end();
1789 loop_connections.drop_connections ();
1791 location->StartChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1792 location->EndChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1793 location->Changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1794 location->FlagsChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1796 location->set_auto_loop (true, this);
1798 if (Config->get_loop_is_mode() && play_loop && Config->get_seamless_loop()) {
1799 // set all tracks to use internal looping
1800 boost::shared_ptr<RouteList> rl = routes.reader ();
1801 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1802 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1803 if (tr && !tr->is_private_route()) {
1804 tr->set_loop (location);
1809 /* take care of our stuff first */
1811 auto_loop_changed (location);
1813 /* now tell everyone else */
1815 auto_loop_location_changed (location);
1819 Session::update_marks (Location*)
1825 Session::update_skips (Location* loc, bool consolidate)
1827 if (_ignore_skips_updates) {
1831 Locations::LocationList skips;
1834 PBD::Unwinder<bool> uw (_ignore_skips_updates, true);
1835 consolidate_skips (loc);
1838 sync_locations_to_skips ();
1844 Session::consolidate_skips (Location* loc)
1846 Locations::LocationList all_locations = _locations->list ();
1848 for (Locations::LocationList::iterator l = all_locations.begin(); l != all_locations.end(); ) {
1850 if (!(*l)->is_skip ()) {
1855 /* don't test against self */
1862 switch (Evoral::coverage ((*l)->start(), (*l)->end(), loc->start(), loc->end())) {
1863 case Evoral::OverlapInternal:
1864 case Evoral::OverlapExternal:
1865 case Evoral::OverlapStart:
1866 case Evoral::OverlapEnd:
1867 /* adjust new location to cover existing one */
1868 loc->set_start (min (loc->start(), (*l)->start()));
1869 loc->set_end (max (loc->end(), (*l)->end()));
1870 /* we don't need this one any more */
1871 _locations->remove (*l);
1872 /* the location has been deleted, so remove reference to it in our local list */
1873 l = all_locations.erase (l);
1876 case Evoral::OverlapNone:
1884 Session::sync_locations_to_skips ()
1886 /* This happens asynchronously (in the audioengine thread). After the clear is done, we will call
1887 * Session::_sync_locations_to_skips() from the audioengine thread.
1889 clear_events (SessionEvent::Skip, boost::bind (&Session::_sync_locations_to_skips, this));
1893 Session::_sync_locations_to_skips ()
1895 /* called as a callback after existing Skip events have been cleared from a realtime audioengine thread */
1897 Locations::LocationList const & locs (_locations->list());
1899 for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
1901 Location* location = *i;
1903 if (location->is_skip() && location->is_skipping()) {
1904 SessionEvent* ev = new SessionEvent (SessionEvent::Skip, SessionEvent::Add, location->start(), location->end(), 1.0);
1912 Session::location_added (Location *location)
1914 if (location->is_auto_punch()) {
1915 set_auto_punch_location (location);
1918 if (location->is_auto_loop()) {
1919 set_auto_loop_location (location);
1922 if (location->is_session_range()) {
1923 /* no need for any signal handling or event setting with the session range,
1924 because we keep a direct reference to it and use its start/end directly.
1926 _session_range_location = location;
1929 if (location->is_mark()) {
1930 /* listen for per-location signals that require us to do any * global updates for marks */
1932 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1933 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1934 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1935 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1936 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1939 if (location->is_range_marker()) {
1940 /* listen for per-location signals that require us to do any * global updates for marks */
1942 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1943 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1944 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1945 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1946 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1949 if (location->is_skip()) {
1950 /* listen for per-location signals that require us to update skip-locate events */
1952 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1953 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1954 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1955 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, false));
1956 location->PositionLockStyleChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1958 update_skips (location, true);
1965 Session::location_removed (Location *location)
1967 if (location->is_auto_loop()) {
1968 set_auto_loop_location (0);
1970 set_track_loop (false);
1975 if (location->is_auto_punch()) {
1976 set_auto_punch_location (0);
1979 if (location->is_session_range()) {
1980 /* this is never supposed to happen */
1981 error << _("programming error: session range removed!") << endl;
1984 if (location->is_skip()) {
1986 update_skips (location, false);
1993 Session::locations_changed ()
1995 _locations->apply (*this, &Session::_locations_changed);
1999 Session::_locations_changed (const Locations::LocationList& locations)
2001 /* There was some mass-change in the Locations object.
2003 We might be re-adding a location here but it doesn't actually matter
2004 for all the locations that the Session takes an interest in.
2008 PBD::Unwinder<bool> protect_ignore_skip_updates (_ignore_skips_updates, true);
2009 for (Locations::LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
2010 location_added (*i);
2014 update_skips (NULL, false);
2018 Session::enable_record ()
2020 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
2021 /* no recording at anything except normal speed */
2026 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
2028 if (rs == Recording) {
2032 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
2034 _last_record_location = _transport_sample;
2035 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
2037 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2038 set_track_monitor_input_status (true);
2041 RecordStateChanged ();
2048 Session::set_all_tracks_record_enabled (bool enable )
2050 boost::shared_ptr<RouteList> rl = routes.reader();
2051 set_controls (route_list_to_control_list (rl, &Stripable::rec_enable_control), enable, Controllable::NoGroup);
2055 Session::disable_record (bool rt_context, bool force)
2059 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
2061 if (!Config->get_latched_record_enable () || force) {
2062 g_atomic_int_set (&_record_status, Disabled);
2063 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
2065 if (rs == Recording) {
2066 g_atomic_int_set (&_record_status, Enabled);
2070 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2071 set_track_monitor_input_status (false);
2074 RecordStateChanged (); /* emit signal */
2077 remove_pending_capture_state ();
2083 Session::step_back_from_record ()
2085 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
2087 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
2088 set_track_monitor_input_status (false);
2091 RecordStateChanged (); /* emit signal */
2096 Session::maybe_enable_record (bool rt_context)
2098 if (_step_editors > 0) {
2102 g_atomic_int_set (&_record_status, Enabled);
2104 /* This function is currently called from somewhere other than an RT thread.
2105 * (except maybe lua scripts, which can use rt_context = true)
2106 * This save_state() call therefore doesn't impact anything. Doing it here
2107 * means that we save pending state of which sources the next record will use,
2108 * which gives us some chance of recovering from a crash during the record.
2112 save_state ("", true);
2115 if (_transport_speed) {
2116 if (!config.get_punch_in()) {
2120 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
2121 RecordStateChanged (); /* EMIT SIGNAL */
2128 Session::audible_sample (bool* latent_locate) const
2130 if (latent_locate) {
2131 *latent_locate = false;
2136 if (synced_to_engine()) {
2137 /* Note: this is basically just sync-to-JACK */
2138 ret = _engine.transport_sample();
2140 ret = _transport_sample;
2145 if (!transport_rolling()) {
2149 #if 0 // TODO looping
2150 if (_transport_speed > 0.0f) {
2151 if (play_loop && have_looped) {
2152 /* the play-position wrapped at the loop-point
2153 * ardour is already playing the beginning of the loop,
2154 * but due to playback latency, the "audible frame"
2155 * is still at the end of the loop.
2157 Location *location = _locations->auto_loop_location();
2158 sampleoffset_t lo = location->start() - ret;
2160 ret = location->end () - lo;
2161 if (latent_locate) {
2162 *latent_locate = true;
2166 } else if (_transport_speed < 0.0f) {
2167 /* XXX wot? no backward looping? */
2171 return std::max ((samplepos_t)0, ret);
2175 Session::preroll_samples (samplepos_t pos) const
2177 const float pr = Config->get_preroll_seconds();
2178 if (pos >= 0 && pr < 0) {
2179 const Tempo& tempo = _tempo_map->tempo_at_sample (pos);
2180 const Meter& meter = _tempo_map->meter_at_sample (pos);
2181 return meter.samples_per_bar (tempo, sample_rate()) * -pr;
2186 return pr * sample_rate();
2190 Session::set_sample_rate (samplecnt_t frames_per_second)
2192 /** \fn void Session::set_sample_size(samplecnt_t)
2193 the AudioEngine object that calls this guarantees
2194 that it will not be called while we are also in
2195 ::process(). Its fine to do things that block
2199 if (_base_sample_rate == 0) {
2200 _base_sample_rate = frames_per_second;
2202 else if (_base_sample_rate != frames_per_second && frames_per_second != _nominal_sample_rate) {
2203 NotifyAboutSampleRateMismatch (_base_sample_rate, frames_per_second);
2205 _nominal_sample_rate = frames_per_second;
2210 reset_write_sources (false);
2212 // XXX we need some equivalent to this, somehow
2213 // SndFileSource::setup_standard_crossfades (frames_per_second);
2217 /* XXX need to reset/reinstantiate all LADSPA plugins */
2221 Session::set_block_size (pframes_t nframes)
2223 /* the AudioEngine guarantees
2224 that it will not be called while we are also in
2225 ::process(). It is therefore fine to do things that block
2230 current_block_size = nframes;
2234 boost::shared_ptr<RouteList> r = routes.reader ();
2236 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2237 (*i)->set_block_size (nframes);
2240 boost::shared_ptr<RouteList> rl = routes.reader ();
2241 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2242 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2244 tr->set_block_size (nframes);
2248 set_worst_io_latencies ();
2254 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
2256 boost::shared_ptr<Route> r2;
2258 if (r1->feeds (rbase) && rbase->feeds (r1)) {
2259 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
2263 /* make a copy of the existing list of routes that feed r1 */
2265 Route::FedBy existing (r1->fed_by());
2267 /* for each route that feeds r1, recurse, marking it as feeding
2271 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
2272 if (!(r2 = i->r.lock ())) {
2273 /* (*i) went away, ignore it */
2277 /* r2 is a route that feeds r1 which somehow feeds base. mark
2278 base as being fed by r2
2281 rbase->add_fed_by (r2, i->sends_only);
2285 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
2289 if (r1->feeds (r2) && r2->feeds (r1)) {
2293 /* now recurse, so that we can mark base as being fed by
2294 all routes that feed r2
2297 trace_terminal (r2, rbase);
2304 Session::resort_routes ()
2306 /* don't do anything here with signals emitted
2307 by Routes during initial setup or while we
2308 are being destroyed.
2311 if (_state_of_the_state & (InitialConnecting | Deletion)) {
2315 if (_route_deletion_in_progress) {
2320 RCUWriter<RouteList> writer (routes);
2321 boost::shared_ptr<RouteList> r = writer.get_copy ();
2322 resort_routes_using (r);
2323 /* writer goes out of scope and forces update */
2327 if (DEBUG_ENABLED(DEBUG::Graph)) {
2328 boost::shared_ptr<RouteList> rl = routes.reader ();
2329 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2330 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
2332 const Route::FedBy& fb ((*i)->fed_by());
2334 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
2335 boost::shared_ptr<Route> sf = f->r.lock();
2337 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
2346 /** This is called whenever we need to rebuild the graph of how we will process
2348 * @param r List of routes, in any order.
2352 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
2354 /* We are going to build a directed graph of our routes;
2355 this is where the edges of that graph are put.
2360 /* Go through all routes doing two things:
2362 * 1. Collect the edges of the route graph. Each of these edges
2363 * is a pair of routes, one of which directly feeds the other
2364 * either by a JACK connection or by an internal send.
2366 * 2. Begin the process of making routes aware of which other
2367 * routes directly or indirectly feed them. This information
2368 * is used by the solo code.
2371 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2373 /* Clear out the route's list of direct or indirect feeds */
2374 (*i)->clear_fed_by ();
2376 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
2378 bool via_sends_only;
2380 /* See if this *j feeds *i according to the current state of the JACK
2381 connections and internal sends.
2383 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
2384 /* add the edge to the graph (part #1) */
2385 edges.add (*j, *i, via_sends_only);
2386 /* tell the route (for part #2) */
2387 (*i)->add_fed_by (*j, via_sends_only);
2392 /* Attempt a topological sort of the route graph */
2393 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
2395 if (sorted_routes) {
2396 /* We got a satisfactory topological sort, so there is no feedback;
2399 Note: the process graph rechain does not require a
2400 topologically-sorted list, but hey ho.
2402 if (_process_graph) {
2403 _process_graph->rechain (sorted_routes, edges);
2406 _current_route_graph = edges;
2408 /* Complete the building of the routes' lists of what directly
2409 or indirectly feeds them.
2411 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2412 trace_terminal (*i, *i);
2415 *r = *sorted_routes;
2418 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
2419 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2420 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 presentation order %2\n", (*i)->name(), (*i)->presentation_info().order()));
2424 SuccessfulGraphSort (); /* EMIT SIGNAL */
2427 /* The topological sort failed, so we have a problem. Tell everyone
2428 and stick to the old graph; this will continue to be processed, so
2429 until the feedback is fixed, what is played back will not quite
2430 reflect what is actually connected. Note also that we do not
2431 do trace_terminal here, as it would fail due to an endless recursion,
2432 so the solo code will think that everything is still connected
2436 FeedbackDetected (); /* EMIT SIGNAL */
2441 /** Find a route name starting with \a base, maybe followed by the
2442 * lowest \a id. \a id will always be added if \a definitely_add_number
2443 * is true on entry; otherwise it will only be added if required
2444 * to make the name unique.
2446 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
2447 * The available route name with the lowest ID will be used, and \a id
2448 * will be set to the ID.
2450 * \return false if a route name could not be found, and \a track_name
2451 * and \a id do not reflect a free route name.
2454 Session::find_route_name (string const & base, uint32_t& id, string& name, bool definitely_add_number)
2456 /* the base may conflict with ports that do not belong to existing
2457 routes, but hidden objects like the click track. So check port names
2458 before anything else.
2461 for (map<string,bool>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
2462 if (base == reserved->first) {
2463 /* Check if this reserved name already exists, and if
2464 so, disallow it without a numeric suffix.
2466 if (!reserved->second || route_by_name (reserved->first)) {
2467 definitely_add_number = true;
2476 /* if we have "base 1" already, it doesn't make sense to add "base"
2477 * if "base 1" has been deleted, adding "base" is no worse than "base 1"
2479 if (!definitely_add_number && route_by_name (base) == 0 && (route_by_name (string_compose("%1 1", base)) == 0)) {
2480 /* just use the base */
2486 name = string_compose ("%1 %2", base, id);
2488 if (route_by_name (name) == 0) {
2494 } while (id < (UINT_MAX-1));
2499 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
2501 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
2503 in = ChanCount::ZERO;
2504 out = ChanCount::ZERO;
2506 boost::shared_ptr<RouteList> r = routes.reader ();
2508 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2509 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2513 assert (!tr->is_auditioner()); // XXX remove me
2514 in += tr->n_inputs();
2515 out += tr->n_outputs();
2520 Session::default_track_name_pattern (DataType t)
2523 case DataType::AUDIO:
2524 if (Profile->get_trx()) {
2531 case DataType::MIDI:
2538 /** Caller must not hold process lock
2539 * @param name_template string to use for the start of the name, or "" to use "MIDI".
2540 * @param instrument plugin info for the instrument to insert pre-fader, if any
2542 list<boost::shared_ptr<MidiTrack> >
2543 Session::new_midi_track (const ChanCount& input, const ChanCount& output, bool strict_io,
2544 boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord* pset,
2545 RouteGroup* route_group, uint32_t how_many,
2546 string name_template, PresentationInfo::order_t order,
2550 uint32_t track_id = 0;
2552 RouteList new_routes;
2553 list<boost::shared_ptr<MidiTrack> > ret;
2555 const string name_pattern = default_track_name_pattern (DataType::MIDI);
2556 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2559 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, use_number)) {
2560 error << "cannot find name for new midi track" << endmsg;
2564 boost::shared_ptr<MidiTrack> track;
2567 track.reset (new MidiTrack (*this, track_name, mode));
2569 if (track->init ()) {
2574 track->set_strict_io (true);
2577 BOOST_MARK_TRACK (track);
2580 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2581 if (track->input()->ensure_io (input, false, this)) {
2582 error << "cannot configure " << input << " out configuration for new midi track" << endmsg;
2586 if (track->output()->ensure_io (output, false, this)) {
2587 error << "cannot configure " << output << " out configuration for new midi track" << endmsg;
2593 route_group->add (track);
2596 new_routes.push_back (track);
2597 ret.push_back (track);
2600 catch (failed_constructor &err) {
2601 error << _("Session: could not create new midi track.") << endmsg;
2605 catch (AudioEngine::PortRegistrationFailure& pfe) {
2607 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;
2615 if (!new_routes.empty()) {
2616 StateProtector sp (this);
2617 if (Profile->get_trx()) {
2618 add_routes (new_routes, false, false, false, order);
2620 add_routes (new_routes, true, true, false, order);
2624 for (RouteList::iterator r = new_routes.begin(); r != new_routes.end(); ++r) {
2625 PluginPtr plugin = instrument->load (*this);
2627 warning << "Failed to add Synth Plugin to newly created track." << endmsg;
2631 plugin->load_preset (*pset);
2633 boost::shared_ptr<PluginInsert> pi (new PluginInsert (*this, plugin));
2635 pi->set_strict_io (true);
2638 (*r)->add_processor (pi, PreFader);
2640 if (Profile->get_mixbus () && pi->configured () && pi->output_streams().n_audio() > 2) {
2641 (*r)->move_instrument_down (false);
2651 Session::new_midi_route (RouteGroup* route_group, uint32_t how_many, string name_template, bool strict_io,
2652 boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord* pset,
2653 PresentationInfo::Flag flag, PresentationInfo::order_t order)
2656 uint32_t bus_id = 0;
2660 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Midi Bus");
2663 if (!find_route_name (name_template.empty () ? _("Midi Bus") : name_template, ++bus_id, bus_name, use_number)) {
2664 error << "cannot find name for new midi bus" << endmsg;
2669 boost::shared_ptr<Route> bus (new Route (*this, bus_name, flag, DataType::AUDIO)); // XXX Editor::add_routes is not ready for ARDOUR::DataType::MIDI
2676 bus->set_strict_io (true);
2679 BOOST_MARK_ROUTE(bus);
2682 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2684 if (bus->input()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2685 error << _("cannot configure new midi bus input") << endmsg;
2690 if (bus->output()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2691 error << _("cannot configure new midi bus output") << endmsg;
2697 route_group->add (bus);
2700 bus->add_internal_return ();
2701 ret.push_back (bus);
2704 catch (failed_constructor &err) {
2705 error << _("Session: could not create new audio route.") << endmsg;
2709 catch (AudioEngine::PortRegistrationFailure& pfe) {
2710 error << pfe.what() << endmsg;
2720 StateProtector sp (this);
2721 add_routes (ret, false, false, false, order);
2724 for (RouteList::iterator r = ret.begin(); r != ret.end(); ++r) {
2725 PluginPtr plugin = instrument->load (*this);
2727 warning << "Failed to add Synth Plugin to newly created track." << endmsg;
2731 plugin->load_preset (*pset);
2733 boost::shared_ptr<PluginInsert> pi (new PluginInsert (*this, plugin));
2735 pi->set_strict_io (true);
2738 (*r)->add_processor (pi, PreFader);
2740 if (Profile->get_mixbus () && pi->configured () && pi->output_streams().n_audio() > 2) {
2741 (*r)->move_instrument_down (false);
2753 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
2755 boost::shared_ptr<Route> midi_track (wmt.lock());
2761 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
2763 if (change.after.n_audio() <= change.before.n_audio()) {
2767 /* new audio ports: make sure the audio goes somewhere useful,
2768 * unless the user has no-auto-connect selected.
2770 * The existing ChanCounts don't matter for this call as they are only
2771 * to do with matching input and output indices, and we are only changing
2774 auto_connect_route (midi_track, false, ChanCount(), change.before);
2778 #ifdef USE_TRACKS_CODE_FEATURES
2781 compare_routes_by_remote_id (const boost::shared_ptr<Route>& route1, const boost::shared_ptr<Route>& route2)
2783 return route1->remote_control_id() < route2->remote_control_id();
2787 Session::reconnect_existing_routes (bool withLock, bool reconnect_master, bool reconnect_inputs, bool reconnect_outputs)
2789 // it is not allowed to perform connection
2790 if (!IO::connecting_legal) {
2794 // if we are deleting routes we will call this once at the end
2795 if (_route_deletion_in_progress) {
2799 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2805 // We need to disconnect the route's inputs and outputs first
2806 // basing on autoconnect configuration
2807 bool reconnectIputs = !(Config->get_input_auto_connect() & ManualConnect) && reconnect_inputs;
2808 bool reconnectOutputs = !(Config->get_output_auto_connect() & ManualConnect) && reconnect_outputs;
2810 ChanCount existing_inputs;
2811 ChanCount existing_outputs;
2812 count_existing_track_channels (existing_inputs, existing_outputs);
2814 //ChanCount inputs = ChanCount::ZERO;
2815 //ChanCount outputs = ChanCount::ZERO;
2817 RouteList existing_routes = *routes.reader ();
2818 existing_routes.sort (compare_routes_by_remote_id);
2821 PBD::Unwinder<bool> protect_ignore_changes (_reconnecting_routes_in_progress, true);
2823 vector<string> physinputs;
2824 vector<string> physoutputs;
2826 EngineStateController::instance()->get_physical_audio_outputs(physoutputs);
2827 EngineStateController::instance()->get_physical_audio_inputs(physinputs);
2829 uint32_t input_n = 0;
2830 uint32_t output_n = 0;
2831 RouteList::iterator rIter = existing_routes.begin();
2832 const AutoConnectOption current_input_auto_connection (Config->get_input_auto_connect());
2833 const AutoConnectOption current_output_auto_connection (Config->get_output_auto_connect());
2834 for (; rIter != existing_routes.end(); ++rIter) {
2835 if (*rIter == _master_out || *rIter == _monitor_out ) {
2839 if (current_output_auto_connection == AutoConnectPhysical) {
2840 (*rIter)->amp()->deactivate();
2841 } else if (current_output_auto_connection == AutoConnectMaster) {
2842 (*rIter)->amp()->activate();
2845 if (reconnectIputs) {
2846 (*rIter)->input()->disconnect (this); //GZ: check this; could be heavy
2848 for (uint32_t route_input_n = 0; route_input_n < (*rIter)->n_inputs().get(DataType::AUDIO); ++route_input_n) {
2850 if (current_input_auto_connection & AutoConnectPhysical) {
2852 if ( input_n == physinputs.size() ) {
2856 string port = physinputs[input_n];
2858 if (port.empty() ) {
2859 error << "Physical Input number "<< input_n << " is unavailable and cannot be connected" << endmsg;
2862 //GZ: check this; could be heavy
2863 (*rIter)->input()->connect ((*rIter)->input()->ports().port(DataType::AUDIO, route_input_n), port, this);
2869 if (reconnectOutputs) {
2871 //normalize route ouptuts: reduce the amount outputs to be equal to the amount of inputs
2872 if (current_output_auto_connection & AutoConnectPhysical) {
2874 //GZ: check this; could be heavy
2875 (*rIter)->output()->disconnect (this);
2876 size_t route_inputs_count = (*rIter)->n_inputs().get(DataType::AUDIO);
2878 //GZ: check this; could be heavy
2879 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, route_inputs_count), false, this );
2881 } else if (current_output_auto_connection & AutoConnectMaster){
2883 if (!reconnect_master) {
2887 //GZ: check this; could be heavy
2888 (*rIter)->output()->disconnect (this);
2891 uint32_t master_inputs_count = _master_out->n_inputs().get(DataType::AUDIO);
2892 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, master_inputs_count), false, this );
2894 error << error << "Master bus is not available" << endmsg;
2899 for (uint32_t route_output_n = 0; route_output_n < (*rIter)->n_outputs().get(DataType::AUDIO); ++route_output_n) {
2900 if (current_output_auto_connection & AutoConnectPhysical) {
2902 if ( output_n == physoutputs.size() ) {
2906 string port = physoutputs[output_n];
2908 if (port.empty() ) {
2909 error << "Physical Output number "<< output_n << " is unavailable and cannot be connected" << endmsg;
2912 //GZ: check this; could be heavy
2913 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2916 } else if (current_output_auto_connection & AutoConnectMaster) {
2918 if ( route_output_n == _master_out->n_inputs().get(DataType::AUDIO) ) {
2922 // connect to master bus
2923 string port = _master_out->input()->ports().port(DataType::AUDIO, route_output_n)->name();
2925 if (port.empty() ) {
2926 error << "MasterBus Input number "<< route_output_n << " is unavailable and cannot be connected" << endmsg;
2930 //GZ: check this; could be heavy
2931 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2938 _master_out->output()->disconnect (this);
2939 auto_connect_master_bus ();
2944 session_routes_reconnected (); /* EMIT SIGNAL */
2948 Session::reconnect_midi_scene_ports(bool inputs)
2952 boost::shared_ptr<MidiPort> scene_in_ptr = scene_in();
2954 scene_in_ptr->disconnect_all ();
2956 std::vector<EngineStateController::MidiPortState> midi_port_states;
2957 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2959 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2961 for (; state_iter != midi_port_states.end(); ++state_iter) {
2962 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2963 scene_in_ptr->connect (state_iter->name);
2970 boost::shared_ptr<MidiPort> scene_out_ptr = scene_out();
2972 if (scene_out_ptr ) {
2973 scene_out_ptr->disconnect_all ();
2975 std::vector<EngineStateController::MidiPortState> midi_port_states;
2976 EngineStateController::instance()->get_physical_midi_output_states (midi_port_states);
2978 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2980 for (; state_iter != midi_port_states.end(); ++state_iter) {
2981 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2982 scene_out_ptr->connect (state_iter->name);
2990 Session::reconnect_mmc_ports(bool inputs)
2992 if (inputs ) { // get all enabled midi input ports
2994 boost::shared_ptr<MidiPort> mmc_in_ptr = _midi_ports->mmc_in();
2996 mmc_in_ptr->disconnect_all ();
2997 std::vector<std::string> enabled_midi_inputs;
2998 EngineStateController::instance()->get_physical_midi_inputs (enabled_midi_inputs);
3000 std::vector<std::string>::iterator port_iter = enabled_midi_inputs.begin();
3002 for (; port_iter != enabled_midi_inputs.end(); ++port_iter) {
3003 mmc_in_ptr->connect (*port_iter);
3007 } else { // get all enabled midi output ports
3009 boost::shared_ptr<MidiPort> mmc_out_ptr = _midi_ports->mmc_out();
3011 mmc_out_ptr->disconnect_all ();
3012 std::vector<std::string> enabled_midi_outputs;
3013 EngineStateController::instance()->get_physical_midi_outputs (enabled_midi_outputs);
3015 std::vector<std::string>::iterator port_iter = enabled_midi_outputs.begin();
3017 for (; port_iter != enabled_midi_outputs.end(); ++port_iter) {
3018 mmc_out_ptr->connect (*port_iter);
3027 Session::ensure_stripable_sort_order ()
3030 get_stripables (sl);
3031 sl.sort (Stripable::Sorter ());
3033 bool change = false;
3034 PresentationInfo::order_t order = 0;
3036 for (StripableList::iterator si = sl.begin(); si != sl.end(); ++si) {
3037 boost::shared_ptr<Stripable> s (*si);
3038 assert (!s->is_auditioner ()); // XXX remove me
3039 if (s->is_monitor ()) {
3042 if (order != s->presentation_info().order()) {
3043 s->set_presentation_order (order);
3052 Session::ensure_route_presentation_info_gap (PresentationInfo::order_t first_new_order, uint32_t how_many)
3054 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("ensure order gap starting at %1 for %2\n", first_new_order, how_many));
3056 if (first_new_order == PresentationInfo::max_order) {
3057 /* adding at end, no worries */
3061 /* create a gap in the presentation info to accomodate @param how_many
3065 get_stripables (sl);
3067 for (StripableList::iterator si = sl.begin(); si != sl.end(); ++si) {
3068 boost::shared_ptr<Stripable> s (*si);
3070 if (s->presentation_info().special (false)) {
3074 if (!s->presentation_info().order_set()) {
3078 if (s->presentation_info().order () >= first_new_order) {
3079 s->set_presentation_order (s->presentation_info().order () + how_many);
3084 /** Caller must not hold process lock
3085 * @param name_template string to use for the start of the name, or "" to use "Audio".
3087 list< boost::shared_ptr<AudioTrack> >
3088 Session::new_audio_track (int input_channels, int output_channels, RouteGroup* route_group,
3089 uint32_t how_many, string name_template, PresentationInfo::order_t order,
3093 uint32_t track_id = 0;
3095 RouteList new_routes;
3096 list<boost::shared_ptr<AudioTrack> > ret;
3098 const string name_pattern = default_track_name_pattern (DataType::AUDIO);
3099 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
3103 if (!find_route_name (name_template.empty() ? _(name_pattern.c_str()) : name_template, ++track_id, track_name, use_number)) {
3104 error << "cannot find name for new audio track" << endmsg;
3108 boost::shared_ptr<AudioTrack> track;
3111 track.reset (new AudioTrack (*this, track_name, mode));
3113 if (track->init ()) {
3117 if (Profile->get_mixbus ()) {
3118 track->set_strict_io (true);
3121 if (ARDOUR::Profile->get_trx ()) {
3122 // TRACKS considers it's not a USE CASE, it's
3123 // a piece of behavior of the session model:
3125 // Gain for a newly created route depends on
3126 // the current output_auto_connect mode:
3128 // 0 for Stereo Out mode
3130 if (Config->get_output_auto_connect() & AutoConnectMaster) {
3131 track->gain_control()->set_value (dB_to_coefficient (0), Controllable::NoGroup);
3135 BOOST_MARK_TRACK (track);
3138 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3140 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3141 error << string_compose (
3142 _("cannot configure %1 in/%2 out configuration for new audio track"),
3143 input_channels, output_channels)
3148 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3149 error << string_compose (
3150 _("cannot configure %1 in/%2 out configuration for new audio track"),
3151 input_channels, output_channels)
3158 route_group->add (track);
3161 new_routes.push_back (track);
3162 ret.push_back (track);
3165 catch (failed_constructor &err) {
3166 error << _("Session: could not create new audio track.") << endmsg;
3170 catch (AudioEngine::PortRegistrationFailure& pfe) {
3172 error << pfe.what() << endmsg;
3180 if (!new_routes.empty()) {
3181 StateProtector sp (this);
3182 if (Profile->get_trx()) {
3183 add_routes (new_routes, false, false, false, order);
3185 add_routes (new_routes, true, true, false, order);
3192 /** Caller must not hold process lock.
3193 * @param name_template string to use for the start of the name, or "" to use "Bus".
3196 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template,
3197 PresentationInfo::Flag flags, PresentationInfo::order_t order)
3200 uint32_t bus_id = 0;
3204 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
3207 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, use_number)) {
3208 error << "cannot find name for new audio bus" << endmsg;
3213 boost::shared_ptr<Route> bus (new Route (*this, bus_name, flags, DataType::AUDIO));
3219 if (Profile->get_mixbus ()) {
3220 bus->set_strict_io (true);
3223 BOOST_MARK_ROUTE(bus);
3226 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3228 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3229 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3230 input_channels, output_channels)
3236 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3237 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3238 input_channels, output_channels)
3245 route_group->add (bus);
3248 bus->add_internal_return ();
3249 ret.push_back (bus);
3252 catch (failed_constructor &err) {
3253 error << _("Session: could not create new audio route.") << endmsg;
3257 catch (AudioEngine::PortRegistrationFailure& pfe) {
3258 error << pfe.what() << endmsg;
3268 StateProtector sp (this);
3269 if (Profile->get_trx()) {
3270 add_routes (ret, false, false, false, order);
3271 } else if (flags == PresentationInfo::FoldbackBus) {
3272 add_routes (ret, false, false, true, order); // no autoconnect
3274 add_routes (ret, false, true, true, order); // autoconnect // outputs only
3283 Session::new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, const std::string& template_path, const std::string& name_base,
3284 PlaylistDisposition pd)
3288 if (!tree.read (template_path.c_str())) {
3292 return new_route_from_template (how_many, insert_at, *tree.root(), name_base, pd);
3296 Session::new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, XMLNode& node, const std::string& name_base, PlaylistDisposition pd)
3299 uint32_t number = 0;
3300 const uint32_t being_added = how_many;
3301 /* This will prevent the use of any existing XML-provided PBD::ID
3304 Stateful::ForceIDRegeneration force_ids;
3305 IO::disable_connecting ();
3309 /* We're going to modify the node contents a bit so take a
3310 * copy. The node may be re-used when duplicating more than once.
3313 XMLNode node_copy (node);
3318 if (!name_base.empty()) {
3320 /* if we're adding more than one routes, force
3321 * all the names of the new routes to be
3322 * numbered, via the final parameter.
3325 if (!find_route_name (name_base.c_str(), ++number, name, (being_added > 1))) {
3326 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3332 string const route_name = node_copy.property(X_("name"))->value ();
3334 /* generate a new name by adding a number to the end of the template name */
3335 if (!find_route_name (route_name.c_str(), ++number, name, true)) {
3336 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3337 abort(); /*NOTREACHED*/
3341 /* set this name in the XML description that we are about to use */
3342 #warning fixme -- no more Diskstream
3343 if (pd == CopyPlaylist) {
3344 XMLNode* ds_node = find_named_node (node_copy, "Diskstream");
3346 const std::string playlist_name = ds_node->property (X_("playlist"))->value ();
3347 boost::shared_ptr<Playlist> playlist = playlists->by_name (playlist_name);
3348 // Use same name as Route::set_name_in_state so playlist copy
3349 // is picked up when creating the Route in XMLRouteFactory below
3350 playlist = PlaylistFactory::create (playlist, string_compose ("%1.1", name));
3351 playlist->reset_shares ();
3353 } else if (pd == SharePlaylist) {
3354 XMLNode* ds_node = find_named_node (node_copy, "Diskstream");
3356 const std::string playlist_name = ds_node->property (X_("playlist"))->value ();
3357 boost::shared_ptr<Playlist> playlist = playlists->by_name (playlist_name);
3358 playlist->share_with ((node_copy.property (X_("id")))->value());
3362 bool rename_playlist = (pd == CopyPlaylist || pd == NewPlaylist);
3364 Route::set_name_in_state (node_copy, name, rename_playlist);
3366 /* trim bitslots from listen sends so that new ones are used */
3367 XMLNodeList children = node_copy.children ();
3368 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
3369 if ((*i)->name() == X_("Processor")) {
3370 /* ForceIDRegeneration does not catch the following */
3371 XMLProperty const * role = (*i)->property (X_("role"));
3372 XMLProperty const * type = (*i)->property (X_("type"));
3373 if (role && role->value() == X_("Aux")) {
3374 /* check if the target bus exists.
3375 * we should not save aux-sends in templates.
3377 XMLProperty const * target = (*i)->property (X_("target"));
3379 (*i)->set_property ("type", "dangling-aux-send");
3382 boost::shared_ptr<Route> r = route_by_id (target->value());
3383 if (!r || boost::dynamic_pointer_cast<Track>(r)) {
3384 (*i)->set_property ("type", "dangling-aux-send");
3388 if (role && role->value() == X_("Listen")) {
3389 (*i)->remove_property (X_("bitslot"));
3391 else if (role && (role->value() == X_("Send") || role->value() == X_("Aux"))) {
3392 Delivery::Role xrole;
3393 uint32_t bitslot = 0;
3394 xrole = Delivery::Role (string_2_enum (role->value(), xrole));
3395 std::string name = Send::name_and_id_new_send(*this, xrole, bitslot, false);
3396 (*i)->remove_property (X_("bitslot"));
3397 (*i)->remove_property (X_("name"));
3398 (*i)->set_property ("bitslot", bitslot);
3399 (*i)->set_property ("name", name);
3401 else if (type && type->value() == X_("intreturn")) {
3402 (*i)->remove_property (X_("bitslot"));
3403 (*i)->set_property ("ignore-bitslot", "1");
3405 else if (type && type->value() == X_("return")) {
3406 // Return::set_state() generates a new one
3407 (*i)->remove_property (X_("bitslot"));
3409 else if (type && type->value() == X_("port")) {
3410 IOProcessor::prepare_for_reset (**i, name);
3415 /* new routes start off unsoloed to avoid issues related to
3416 upstream / downstream buses. */
3417 node_copy.remove_node_and_delete (X_("Controllable"), X_("name"), X_("solo"));
3419 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
3422 error << _("Session: cannot create track/bus from template description") << endmsg;
3426 if (boost::dynamic_pointer_cast<Track>(route)) {
3427 /* force input/output change signals so that the new diskstream
3428 picks up the configuration of the route. During session
3429 loading this normally happens in a different way.
3432 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3434 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
3435 change.after = route->input()->n_ports();
3436 route->input()->changed (change, this);
3437 change.after = route->output()->n_ports();
3438 route->output()->changed (change, this);
3441 ret.push_back (route);
3444 catch (failed_constructor &err) {
3445 error << _("Session: could not create new route from template") << endmsg;
3449 catch (AudioEngine::PortRegistrationFailure& pfe) {
3450 error << pfe.what() << endmsg;
3455 IO::enable_connecting ();
3464 StateProtector sp (this);
3465 if (Profile->get_trx()) {
3466 add_routes (ret, false, false, false, insert_at);
3468 add_routes (ret, true, true, false, insert_at);
3472 IO::enable_connecting ();
3478 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save, PresentationInfo::order_t order)
3481 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
3482 add_routes_inner (new_routes, input_auto_connect, output_auto_connect, order);
3485 error << _("Adding new tracks/busses failed") << endmsg;
3490 update_latency (false);
3491 update_latency (true);
3496 save_state (_current_snapshot_name);
3499 update_route_record_state ();
3501 RouteAdded (new_routes); /* EMIT SIGNAL */
3505 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t order)
3507 ChanCount existing_inputs;
3508 ChanCount existing_outputs;
3512 count_existing_track_channels (existing_inputs, existing_outputs);
3515 RCUWriter<RouteList> writer (routes);
3516 boost::shared_ptr<RouteList> r = writer.get_copy ();
3517 n_routes = r->size();
3518 r->insert (r->end(), new_routes.begin(), new_routes.end());
3520 /* if there is no control out and we're not in the middle of loading,
3521 * resort the graph here. if there is a control out, we will resort
3522 * toward the end of this method. if we are in the middle of loading,
3523 * we will resort when done.
3526 if (!_monitor_out && IO::connecting_legal) {
3527 resort_routes_using (r);
3531 /* monitor is not part of the order */
3533 assert (n_routes > 0);
3538 PresentationInfo::ChangeSuspender cs;
3539 ensure_route_presentation_info_gap (order, new_routes.size());
3541 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x, ++added) {
3543 boost::weak_ptr<Route> wpr (*x);
3544 boost::shared_ptr<Route> r (*x);
3546 r->solo_control()->Changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2,wpr));
3547 r->solo_isolate_control()->Changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, wpr));
3548 r->mute_control()->Changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this));
3550 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
3551 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
3552 r->processor_latency_changed.connect_same_thread (*this, boost::bind (&Session::queue_latency_recompute, this));
3554 if (r->is_master()) {
3558 if (r->is_monitor()) {
3562 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
3564 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
3565 track_playlist_changed (boost::weak_ptr<Track> (tr));
3566 tr->rec_enable_control()->Changed.connect_same_thread (*this, boost::bind (&Session::update_route_record_state, this));
3568 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
3570 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
3571 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
3572 mt->presentation_info().PropertyChanged.connect_same_thread (*this, boost::bind (&Session::midi_track_presentation_info_changed, this, _1, boost::weak_ptr<MidiTrack>(mt)));
3576 if (!r->presentation_info().special (false)) {
3578 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("checking PI state for %1\n", r->name()));
3580 /* presentation info order may already have been set from XML */
3582 if (!r->presentation_info().order_set()) {
3583 if (order == PresentationInfo::max_order) {
3584 /* just add to the end */
3585 r->set_presentation_order (n_routes + added);
3586 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order not set, set to NR %1 + %2 = %3\n", n_routes, added, n_routes + added));
3588 r->set_presentation_order (order + added);
3589 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order not set, set to %1 + %2 = %3\n", order, added, order + added));
3592 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("group order already set to %1\n", r->presentation_info().order()));
3596 #if !defined(__APPLE__) && !defined(__FreeBSD__)
3597 /* clang complains: 'operator<<' should be declared prior to the call site or in an associated namespace of one of its
3598 * arguments std::ostream& operator<<(std::ostream& o, ARDOUR::PresentationInfo const& rid)"
3600 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("added route %1, group order %2 type %3 (summary: %4)\n",
3602 r->presentation_info().order(),
3603 enum_2_string (r->presentation_info().flags()),
3604 r->presentation_info()));
3608 if (input_auto_connect || output_auto_connect) {
3609 auto_connect_route (r, input_auto_connect, ChanCount (), ChanCount (), existing_inputs, existing_outputs);
3610 existing_inputs += r->n_inputs();
3611 existing_outputs += r->n_outputs();
3616 ensure_stripable_sort_order ();
3619 if (_monitor_out && IO::connecting_legal) {
3620 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
3622 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3623 if ((*x)->is_monitor()) {
3625 } else if ((*x)->is_master()) {
3628 (*x)->enable_monitor_send ();
3633 reassign_track_numbers ();
3637 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
3639 boost::shared_ptr<RouteList> r = routes.reader ();
3640 boost::shared_ptr<Send> s;
3642 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3643 if ((s = (*i)->internal_send_for (dest)) != 0) {
3644 s->amp()->gain_control()->set_value (GAIN_COEFF_ZERO, Controllable::NoGroup);
3650 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
3652 boost::shared_ptr<RouteList> r = routes.reader ();
3653 boost::shared_ptr<Send> s;
3655 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3656 if ((s = (*i)->internal_send_for (dest)) != 0) {
3657 s->amp()->gain_control()->set_value (GAIN_COEFF_UNITY, Controllable::NoGroup);
3663 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
3665 boost::shared_ptr<RouteList> r = routes.reader ();
3666 boost::shared_ptr<Send> s;
3668 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3669 if ((s = (*i)->internal_send_for (dest)) != 0) {
3670 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value(), Controllable::NoGroup);
3675 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
3677 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
3679 boost::shared_ptr<RouteList> r = routes.reader ();
3680 boost::shared_ptr<RouteList> t (new RouteList);
3682 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3683 /* no MIDI sends because there are no MIDI busses yet */
3684 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
3689 add_internal_sends (dest, p, t);
3693 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
3695 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
3696 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
3701 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
3703 add_internal_send (dest, sender->before_processor_for_index (index), sender);
3707 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
3709 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
3713 if (!dest->internal_return()) {
3714 dest->add_internal_return ();
3717 sender->add_aux_send (dest, before);
3723 Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
3725 bool mute_changed = false;
3726 bool send_selected = false;
3728 { // RCU Writer scope
3729 PBD::Unwinder<bool> uw_flag (_route_deletion_in_progress, true);
3730 RCUWriter<RouteList> writer (routes);
3731 boost::shared_ptr<RouteList> rs = writer.get_copy ();
3733 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3735 if (_selection->selected (*iter)) {
3736 send_selected = true;
3739 if (*iter == _master_out) {
3743 /* speed up session deletion, don't do the solo dance */
3744 if (0 == (_state_of_the_state & Deletion)) {
3745 (*iter)->solo_control()->set_value (0.0, Controllable::NoGroup);
3748 if ((*iter)->mute_control()->muted ()) {
3749 mute_changed = true;
3754 /* deleting the master out seems like a dumb
3755 idea, but its more of a UI policy issue
3759 if (*iter == _master_out) {
3760 _master_out = boost::shared_ptr<Route> ();
3763 if (*iter == _monitor_out) {
3764 _monitor_out.reset ();
3767 // We need to disconnect the route's inputs and outputs
3769 (*iter)->input()->disconnect (0);
3770 (*iter)->output()->disconnect (0);
3772 /* if the route had internal sends sending to it, remove them */
3773 if ((*iter)->internal_return()) {
3775 boost::shared_ptr<RouteList> r = routes.reader ();
3776 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3777 boost::shared_ptr<Send> s = (*i)->internal_send_for (*iter);
3779 (*i)->remove_processor (s);
3784 /* if the monitoring section had a pointer to this route, remove it */
3785 if (_monitor_out && !(*iter)->is_master() && !(*iter)->is_monitor()) {
3786 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3787 ProcessorChangeBlocker pcb (this, false);
3788 (*iter)->remove_aux_or_listen (_monitor_out);
3791 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*iter);
3792 if (mt && mt->step_editing()) {
3793 if (_step_editors > 0) {
3799 /* writer goes out of scope, forces route list update */
3801 } // end of RCU Writer scope
3804 MuteChanged (); /* EMIT SIGNAL */
3807 update_route_solo_state ();
3808 update_latency_compensation ();
3811 /* Re-sort routes to remove the graph's current references to the one that is
3812 * going away, then flush old references out of the graph.
3813 * Wave Tracks: reconnect routes
3816 #ifdef USE_TRACKS_CODE_FEATURES
3817 reconnect_existing_routes(true, false);
3819 routes.flush (); // maybe unsafe, see below.
3823 if (_process_graph && !(_state_of_the_state & Deletion) && _engine.running()) {
3824 _process_graph->clear_other_chain ();
3827 /* get rid of it from the dead wood collection in the route list manager */
3828 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
3832 /* remove these routes from the selection if appropriate, and signal
3833 * the change *before* we call DropReferences for them.
3836 if (send_selected && !deletion_in_progress()) {
3837 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3838 _selection->remove_stripable_by_id ((*iter)->id());
3841 pc.add (Properties::selected);
3842 PresentationInfo::Change (pc);
3845 /* try to cause everyone to drop their references
3846 * and unregister ports from the backend
3849 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3850 (*iter)->drop_references ();
3853 if (deletion_in_progress()) {
3858 pc.add (Properties::order);
3859 PresentationInfo::Change (pc);
3861 /* save the new state of the world */
3863 if (save_state (_current_snapshot_name)) {
3864 save_history (_current_snapshot_name);
3867 update_route_record_state ();
3871 Session::remove_route (boost::shared_ptr<Route> route)
3873 boost::shared_ptr<RouteList> rl (new RouteList);
3874 rl->push_back (route);
3879 Session::route_mute_changed ()
3881 MuteChanged (); /* EMIT SIGNAL */
3886 Session::route_listen_changed (Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3888 boost::shared_ptr<Route> route (wpr.lock());
3894 assert (Config->get_solo_control_is_listen_control());
3896 if (route->solo_control()->soloed_by_self_or_masters()) {
3898 if (Config->get_exclusive_solo()) {
3900 RouteGroup* rg = route->route_group ();
3901 const bool group_already_accounted_for = (group_override == Controllable::ForGroup);
3903 boost::shared_ptr<RouteList> r = routes.reader ();
3905 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3906 if ((*i) == route) {
3907 /* already changed */
3911 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
3912 /* route does not get solo propagated to it */
3916 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3917 /* this route is a part of the same solo group as the route
3918 * that was changed. Changing that route did change or will
3919 * change all group members appropriately, so we can ignore it
3924 (*i)->solo_control()->set_value (0.0, Controllable::NoGroup);
3930 } else if (_listen_cnt > 0) {
3937 Session::route_solo_isolated_changed (boost::weak_ptr<Route> wpr)
3939 boost::shared_ptr<Route> route (wpr.lock());
3945 bool send_changed = false;
3947 if (route->solo_isolate_control()->solo_isolated()) {
3948 if (_solo_isolated_cnt == 0) {
3949 send_changed = true;
3951 _solo_isolated_cnt++;
3952 } else if (_solo_isolated_cnt > 0) {
3953 _solo_isolated_cnt--;
3954 if (_solo_isolated_cnt == 0) {
3955 send_changed = true;
3960 IsolatedChanged (); /* EMIT SIGNAL */
3965 Session::route_solo_changed (bool self_solo_changed, Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3967 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1, update\n", self_solo_changed));
3969 boost::shared_ptr<Route> route (wpr.lock());
3975 if (Config->get_solo_control_is_listen_control()) {
3976 route_listen_changed (group_override, wpr);
3980 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()));
3982 if (route->solo_control()->transitioned_into_solo() == 0) {
3983 /* route solo changed by upstream/downstream or clear all solo state; not interesting
3986 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()));
3990 boost::shared_ptr<RouteList> r = routes.reader ();
3991 int32_t delta = route->solo_control()->transitioned_into_solo ();
3993 /* the route may be a member of a group that has shared-solo
3994 * semantics. If so, then all members of that group should follow the
3995 * solo of the changed route. But ... this is optional, controlled by a
3996 * Controllable::GroupControlDisposition.
3998 * The first argument to the signal that this method is connected to is the
3999 * GroupControlDisposition value that was used to change solo.
4001 * If the solo change was done with group semantics (either InverseGroup
4002 * (force the entire group to change even if the group shared solo is
4003 * disabled) or UseGroup (use the group, which may or may not have the
4004 * shared solo property enabled)) then as we propagate the change to
4005 * the entire session we should IGNORE THE GROUP that the changed route
4009 RouteGroup* rg = route->route_group ();
4010 const bool group_already_accounted_for = (group_override == Controllable::ForGroup);
4012 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate to session, group accounted for ? %1\n", group_already_accounted_for));
4014 if (delta == 1 && Config->get_exclusive_solo()) {
4016 /* new solo: disable all other solos, but not the group if its solo-enabled */
4018 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4020 if ((*i) == route) {
4021 /* already changed */
4025 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
4026 /* route does not get solo propagated to it */
4030 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
4031 /* this route is a part of the same solo group as the route
4032 * that was changed. Changing that route did change or will
4033 * change all group members appropriately, so we can ignore it
4039 (*i)->solo_control()->set_value (0.0, group_override);
4043 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
4045 RouteList uninvolved;
4047 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
4049 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4050 bool via_sends_only;
4051 bool in_signal_flow;
4053 if ((*i) == route) {
4054 /* already changed */
4058 if ((*i)->solo_isolate_control()->solo_isolated() || !(*i)->can_solo()) {
4059 /* route does not get solo propagated to it */
4060 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(),
4065 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
4066 /* this route is a part of the same solo group as the route
4067 * that was changed. Changing that route did change or will
4068 * change all group members appropriately, so we can ignore it
4074 in_signal_flow = false;
4076 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
4078 if ((*i)->feeds (route, &via_sends_only)) {
4079 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
4080 if (!via_sends_only) {
4081 if (!route->soloed_by_others_upstream()) {
4082 (*i)->solo_control()->mod_solo_by_others_downstream (delta);
4084 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others upstream\n");
4087 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
4089 in_signal_flow = true;
4091 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
4094 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
4096 if (route->feeds (*i, &via_sends_only)) {
4097 /* propagate solo upstream only if routing other than
4098 sends is involved, but do consider the other route
4099 (*i) to be part of the signal flow even if only
4102 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
4106 route->soloed_by_others_downstream(),
4107 route->soloed_by_others_upstream()));
4108 if (!via_sends_only) {
4109 //NB. Triggers Invert Push, which handles soloed by downstream
4110 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
4111 (*i)->solo_control()->mod_solo_by_others_upstream (delta);
4113 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
4115 in_signal_flow = true;
4117 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
4120 if (!in_signal_flow) {
4121 uninvolved.push_back (*i);
4125 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
4127 /* now notify that the mute state of the routes not involved in the signal
4128 pathway of the just-solo-changed route may have altered.
4131 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
4132 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
4133 (*i)->act_on_mute ();
4134 /* Session will emit SoloChanged() after all solo changes are
4135 * complete, which should be used by UIs to update mute status
4141 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
4143 /* now figure out if anything that matters is soloed (or is "listening")*/
4145 bool something_soloed = false;
4146 bool something_listening = false;
4147 uint32_t listeners = 0;
4148 uint32_t isolated = 0;
4151 r = routes.reader();
4154 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4155 if ((*i)->can_solo()) {
4156 if (Config->get_solo_control_is_listen_control()) {
4157 if ((*i)->solo_control()->soloed_by_self_or_masters()) {
4159 something_listening = true;
4162 (*i)->set_listen (false);
4163 if ((*i)->can_solo() && (*i)->solo_control()->soloed_by_self_or_masters()) {
4164 something_soloed = true;
4169 if ((*i)->solo_isolate_control()->solo_isolated()) {
4174 if (something_soloed != _non_soloed_outs_muted) {
4175 _non_soloed_outs_muted = something_soloed;
4176 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
4179 if (something_listening != _listening) {
4180 _listening = something_listening;
4181 SoloActive (_listening);
4184 _listen_cnt = listeners;
4186 if (isolated != _solo_isolated_cnt) {
4187 _solo_isolated_cnt = isolated;
4188 IsolatedChanged (); /* EMIT SIGNAL */
4191 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
4192 something_soloed, listeners, isolated));
4195 SoloChanged (); /* EMIT SIGNAL */
4200 Session::muted () const
4202 // TODO consider caching the value on every MuteChanged signal,
4203 // Note that API users may also subscribe to MuteChanged and hence
4204 // this method needs to be called first.
4207 get_stripables (all);
4208 for (StripableList::const_iterator i = all.begin(); i != all.end(); ++i) {
4209 assert (!(*i)->is_auditioner()); // XXX remove me
4210 if ((*i)->is_monitor()) {
4213 boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route>(*i);
4214 if (r && !r->active()) {
4217 boost::shared_ptr<MuteControl> mc = (*i)->mute_control();
4218 if (mc && mc->muted ()) {
4226 std::vector<boost::weak_ptr<AutomationControl> >
4227 Session::cancel_all_mute ()
4230 get_stripables (all);
4231 std::vector<boost::weak_ptr<AutomationControl> > muted;
4232 boost::shared_ptr<ControlList> cl (new ControlList);
4233 for (StripableList::const_iterator i = all.begin(); i != all.end(); ++i) {
4234 assert (!(*i)->is_auditioner());
4235 if ((*i)->is_monitor()) {
4238 boost::shared_ptr<Route> r = boost::dynamic_pointer_cast<Route> (*i);
4239 if (r && !r->active()) {
4242 boost::shared_ptr<AutomationControl> ac = (*i)->mute_control();
4243 if (ac && ac->get_value () > 0) {
4245 muted.push_back (boost::weak_ptr<AutomationControl>(ac));
4248 if (!cl->empty ()) {
4249 set_controls (cl, 0.0, PBD::Controllable::UseGroup);
4255 Session::get_stripables (StripableList& sl, PresentationInfo::Flag fl) const
4257 boost::shared_ptr<RouteList> r = routes.reader ();
4258 for (RouteList::iterator it = r->begin(); it != r->end(); ++it) {
4259 if ((*it)->presentation_info ().flags () & fl) {
4264 if (fl & PresentationInfo::VCA) {
4265 VCAList v = _vca_manager->vcas ();
4266 sl.insert (sl.end(), v.begin(), v.end());
4271 Session::get_stripables () const
4273 PresentationInfo::Flag fl = PresentationInfo::AllStripables;
4275 Session::get_stripables (rv, fl);
4276 rv.sort (Stripable::Sorter ());
4281 Session::get_routelist (bool mixer_order, PresentationInfo::Flag fl) const
4283 boost::shared_ptr<RouteList> r = routes.reader ();
4285 for (RouteList::iterator it = r->begin(); it != r->end(); ++it) {
4286 if ((*it)->presentation_info ().flags () & fl) {
4290 rv.sort (Stripable::Sorter (mixer_order));
4294 boost::shared_ptr<RouteList>
4295 Session::get_routes_with_internal_returns() const
4297 boost::shared_ptr<RouteList> r = routes.reader ();
4298 boost::shared_ptr<RouteList> rl (new RouteList);
4300 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4301 if ((*i)->internal_return ()) {
4309 Session::io_name_is_legal (const std::string& name) const
4311 boost::shared_ptr<RouteList> r = routes.reader ();
4313 for (map<string,bool>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
4314 if (name == reserved->first) {
4315 if (!route_by_name (reserved->first)) {
4316 /* first instance of a reserved name is allowed for some */
4317 return reserved->second;
4319 /* all other instances of a reserved name are not allowed */
4324 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4325 if ((*i)->name() == name) {
4329 if ((*i)->has_io_processor_named (name)) {
4338 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
4341 vector<string> connections;
4343 /* if we are passed only a single route and we're not told to turn
4344 * others off, then just do the simple thing.
4347 if (flip_others == false && rl->size() == 1) {
4348 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
4350 mt->set_input_active (onoff);
4355 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
4357 PortSet& ps ((*rt)->input()->ports());
4359 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
4360 p->get_connections (connections);
4363 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
4364 routes_using_input_from (*s, rl2);
4367 /* scan all relevant routes to see if others are on or off */
4369 bool others_are_already_on = false;
4371 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4373 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4379 if ((*r) != (*rt)) {
4380 if (mt->input_active()) {
4381 others_are_already_on = true;
4384 /* this one needs changing */
4385 mt->set_input_active (onoff);
4391 /* globally reverse other routes */
4393 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4394 if ((*r) != (*rt)) {
4395 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4397 mt->set_input_active (!others_are_already_on);
4406 Session::routes_using_input_from (const string& str, RouteList& rl)
4408 boost::shared_ptr<RouteList> r = routes.reader();
4410 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4411 if ((*i)->input()->connected_to (str)) {
4417 boost::shared_ptr<Route>
4418 Session::route_by_name (string name) const
4420 boost::shared_ptr<RouteList> r = routes.reader ();
4422 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4423 if ((*i)->name() == name) {
4428 return boost::shared_ptr<Route> ((Route*) 0);
4431 boost::shared_ptr<Route>
4432 Session::route_by_id (PBD::ID id) const
4434 boost::shared_ptr<RouteList> r = routes.reader ();
4436 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4437 if ((*i)->id() == id) {
4442 return boost::shared_ptr<Route> ((Route*) 0);
4446 boost::shared_ptr<Stripable>
4447 Session::stripable_by_id (PBD::ID id) const
4450 get_stripables (sl);
4452 for (StripableList::const_iterator s = sl.begin(); s != sl.end(); ++s) {
4453 if ((*s)->id() == id) {
4458 return boost::shared_ptr<Stripable>();
4461 boost::shared_ptr<Processor>
4462 Session::processor_by_id (PBD::ID id) const
4464 boost::shared_ptr<RouteList> r = routes.reader ();
4466 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4467 boost::shared_ptr<Processor> p = (*i)->Route::processor_by_id (id);
4473 return boost::shared_ptr<Processor> ();
4476 boost::shared_ptr<Route>
4477 Session::get_remote_nth_route (PresentationInfo::order_t n) const
4479 return boost::dynamic_pointer_cast<Route> (get_remote_nth_stripable (n, PresentationInfo::Route));
4482 boost::shared_ptr<Stripable>
4483 Session::get_remote_nth_stripable (PresentationInfo::order_t n, PresentationInfo::Flag flags) const
4486 PresentationInfo::order_t match_cnt = 0;
4488 get_stripables (sl);
4489 sl.sort (Stripable::Sorter());
4491 for (StripableList::const_iterator s = sl.begin(); s != sl.end(); ++s) {
4493 if ((*s)->presentation_info().hidden()) {
4494 /* if the caller didn't explicitly ask for hidden
4495 stripables, ignore hidden ones. This matches
4496 the semantics of the pre-PresentationOrder
4497 "get by RID" logic of Ardour 4.x and earlier.
4499 XXX at some point we should likely reverse
4500 the logic of the flags, because asking for "the
4501 hidden stripables" is not going to be common,
4502 whereas asking for visible ones is normal.
4505 if (! (flags & PresentationInfo::Hidden)) {
4510 if ((*s)->presentation_info().flag_match (flags)) {
4511 if (match_cnt++ == n) {
4517 /* there is no nth stripable that matches the given flags */
4518 return boost::shared_ptr<Stripable>();
4521 boost::shared_ptr<Route>
4522 Session::route_by_selected_count (uint32_t id) const
4524 RouteList r (*(routes.reader ()));
4525 r.sort (Stripable::Sorter());
4527 RouteList::iterator i;
4529 for (i = r.begin(); i != r.end(); ++i) {
4530 if ((*i)->is_selected()) {
4538 return boost::shared_ptr<Route> ();
4542 Session::reassign_track_numbers ()
4546 RouteList r (*(routes.reader ()));
4547 r.sort (Stripable::Sorter());
4549 StateProtector sp (this);
4551 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4552 assert (!(*i)->is_auditioner());
4553 if (boost::dynamic_pointer_cast<Track> (*i)) {
4554 (*i)->set_track_number(++tn);
4556 else if (!(*i)->is_master() && !(*i)->is_monitor()) {
4557 (*i)->set_track_number(--bn);
4560 const uint32_t decimals = ceilf (log10f (tn + 1));
4561 const bool decimals_changed = _track_number_decimals != decimals;
4562 _track_number_decimals = decimals;
4564 if (decimals_changed && config.get_track_name_number ()) {
4565 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4566 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4568 t->resync_track_name();
4571 // trigger GUI re-layout
4572 config.ParameterChanged("track-name-number");
4576 if (DEBUG_ENABLED(DEBUG::OrderKeys)) {
4577 boost::shared_ptr<RouteList> rl = routes.reader ();
4578 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4579 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 numbered %2\n", (*i)->name(), (*i)->track_number()));
4587 Session::playlist_region_added (boost::weak_ptr<Region> w)
4589 boost::shared_ptr<Region> r = w.lock ();
4594 /* These are the operations that are currently in progress... */
4595 list<GQuark> curr = _current_trans_quarks;
4598 /* ...and these are the operations during which we want to update
4599 the session range location markers.
4602 ops.push_back (Operations::capture);
4603 ops.push_back (Operations::paste);
4604 ops.push_back (Operations::duplicate_region);
4605 ops.push_back (Operations::insert_file);
4606 ops.push_back (Operations::insert_region);
4607 ops.push_back (Operations::drag_region_brush);
4608 ops.push_back (Operations::region_drag);
4609 ops.push_back (Operations::selection_grab);
4610 ops.push_back (Operations::region_fill);
4611 ops.push_back (Operations::fill_selection);
4612 ops.push_back (Operations::create_region);
4613 ops.push_back (Operations::region_copy);
4614 ops.push_back (Operations::fixed_time_region_copy);
4617 /* See if any of the current operations match the ones that we want */
4619 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
4621 /* If so, update the session range markers */
4623 maybe_update_session_range (r->position (), r->last_sample ());
4627 /** Update the session range markers if a is before the current start or
4628 * b is after the current end.
4631 Session::maybe_update_session_range (samplepos_t a, samplepos_t b)
4633 if (_state_of_the_state & Loading) {
4637 samplepos_t session_end_marker_shift_samples = session_end_shift * _nominal_sample_rate;
4639 if (_session_range_location == 0) {
4641 set_session_range_location (a, b + session_end_marker_shift_samples);
4645 if (a < _session_range_location->start()) {
4646 _session_range_location->set_start (a);
4649 if (_session_range_end_is_free && (b > _session_range_location->end())) {
4650 _session_range_location->set_end (b);
4656 Session::set_end_is_free (bool yn)
4658 _session_range_end_is_free = yn;
4662 Session::playlist_ranges_moved (list<Evoral::RangeMove<samplepos_t> > const & ranges)
4664 for (list<Evoral::RangeMove<samplepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4665 maybe_update_session_range (i->to, i->to + i->length);
4670 Session::playlist_regions_extended (list<Evoral::Range<samplepos_t> > const & ranges)
4672 for (list<Evoral::Range<samplepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4673 maybe_update_session_range (i->from, i->to);
4677 /* Region management */
4679 boost::shared_ptr<Region>
4680 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
4682 const RegionFactory::RegionMap& regions (RegionFactory::regions());
4683 RegionFactory::RegionMap::const_iterator i;
4684 boost::shared_ptr<Region> region;
4686 Glib::Threads::Mutex::Lock lm (region_lock);
4688 for (i = regions.begin(); i != regions.end(); ++i) {
4692 if (region->whole_file()) {
4694 if (child->source_equivalent (region)) {
4700 return boost::shared_ptr<Region> ();
4704 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
4706 set<boost::shared_ptr<Region> > relevant_regions;
4708 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
4709 RegionFactory::get_regions_using_source (*s, relevant_regions);
4712 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
4713 set<boost::shared_ptr<Region> >::iterator tmp;
4718 playlists->destroy_region (*r);
4719 RegionFactory::map_remove (*r);
4721 (*r)->drop_sources ();
4722 (*r)->drop_references ();
4724 relevant_regions.erase (r);
4729 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
4732 Glib::Threads::Mutex::Lock ls (source_lock);
4733 /* remove from the main source list */
4734 sources.erase ((*s)->id());
4737 (*s)->mark_for_remove ();
4738 (*s)->drop_references ();
4747 Session::remove_last_capture ()
4749 list<boost::shared_ptr<Source> > srcs;
4751 boost::shared_ptr<RouteList> rl = routes.reader ();
4752 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4753 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4758 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
4761 srcs.insert (srcs.end(), l.begin(), l.end());
4766 destroy_sources (srcs);
4768 save_state (_current_snapshot_name);
4773 /* Source Management */
4776 Session::add_source (boost::shared_ptr<Source> source)
4778 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
4779 pair<SourceMap::iterator,bool> result;
4781 entry.first = source->id();
4782 entry.second = source;
4785 Glib::Threads::Mutex::Lock lm (source_lock);
4786 result = sources.insert (entry);
4789 if (result.second) {
4791 /* yay, new source */
4793 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
4796 if (!fs->within_session()) {
4797 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
4803 boost::shared_ptr<AudioFileSource> afs;
4805 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
4806 if (Config->get_auto_analyse_audio()) {
4807 Analyser::queue_source_for_analysis (source, false);
4811 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
4816 Session::remove_source (boost::weak_ptr<Source> src)
4818 if (_state_of_the_state & Deletion) {
4822 SourceMap::iterator i;
4823 boost::shared_ptr<Source> source = src.lock();
4830 Glib::Threads::Mutex::Lock lm (source_lock);
4832 if ((i = sources.find (source->id())) != sources.end()) {
4837 if (!(_state_of_the_state & StateOfTheState (InCleanup|Loading))) {
4839 /* save state so we don't end up with a session file
4840 referring to non-existent sources.
4843 save_state (_current_snapshot_name);
4847 boost::shared_ptr<Source>
4848 Session::source_by_id (const PBD::ID& id)
4850 Glib::Threads::Mutex::Lock lm (source_lock);
4851 SourceMap::iterator i;
4852 boost::shared_ptr<Source> source;
4854 if ((i = sources.find (id)) != sources.end()) {
4861 boost::shared_ptr<AudioFileSource>
4862 Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
4864 /* Restricted to audio files because only audio sources have channel
4868 Glib::Threads::Mutex::Lock lm (source_lock);
4870 for (SourceMap::const_iterator i = sources.begin(); i != sources.end(); ++i) {
4871 boost::shared_ptr<AudioFileSource> afs
4872 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
4874 if (afs && afs->path() == path && chn == afs->channel()) {
4879 return boost::shared_ptr<AudioFileSource>();
4882 boost::shared_ptr<MidiSource>
4883 Session::midi_source_by_path (const std::string& path, bool need_source_lock) const
4885 /* Restricted to MIDI files because audio sources require a channel
4886 for unique identification, in addition to a path.
4889 Glib::Threads::Mutex::Lock lm (source_lock, Glib::Threads::NOT_LOCK);
4890 if (need_source_lock) {
4894 for (SourceMap::const_iterator s = sources.begin(); s != sources.end(); ++s) {
4895 boost::shared_ptr<MidiSource> ms
4896 = boost::dynamic_pointer_cast<MidiSource>(s->second);
4897 boost::shared_ptr<FileSource> fs
4898 = boost::dynamic_pointer_cast<FileSource>(s->second);
4900 if (ms && fs && fs->path() == path) {
4905 return boost::shared_ptr<MidiSource>();
4909 Session::count_sources_by_origin (const string& path)
4912 Glib::Threads::Mutex::Lock lm (source_lock);
4914 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
4915 boost::shared_ptr<FileSource> fs
4916 = boost::dynamic_pointer_cast<FileSource>(i->second);
4918 if (fs && fs->origin() == path) {
4927 peak_file_helper (const string& peak_path, const string& file_path, const string& file_base, bool hash) {
4929 std::string checksum = Glib::Checksum::compute_checksum(Glib::Checksum::CHECKSUM_SHA1, file_path + G_DIR_SEPARATOR + file_base);
4930 return Glib::build_filename (peak_path, checksum + peakfile_suffix);
4932 return Glib::build_filename (peak_path, file_base + peakfile_suffix);
4937 Session::construct_peak_filepath (const string& filepath, const bool in_session, const bool old_peak_name) const
4939 string interchange_dir_string = string (interchange_dir_name) + G_DIR_SEPARATOR;
4941 if (Glib::path_is_absolute (filepath)) {
4943 /* rip the session dir from the audiofile source */
4945 string session_path;
4946 bool in_another_session = true;
4948 if (filepath.find (interchange_dir_string) != string::npos) {
4950 session_path = Glib::path_get_dirname (filepath); /* now ends in audiofiles */
4951 session_path = Glib::path_get_dirname (session_path); /* now ends in session name */
4952 session_path = Glib::path_get_dirname (session_path); /* now ends in interchange */
4953 session_path = Glib::path_get_dirname (session_path); /* now has session path */
4955 /* see if it is within our session */
4957 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4958 if (i->path == session_path) {
4959 in_another_session = false;
4964 in_another_session = false;
4968 if (in_another_session) {
4969 SessionDirectory sd (session_path);
4970 return peak_file_helper (sd.peak_path(), "", Glib::path_get_basename (filepath), !old_peak_name);
4974 /* 1) if file belongs to this session
4975 * it may be a relative path (interchange/...)
4976 * or just basename (session_state, remove source)
4977 * -> just use the basename
4979 std::string filename = Glib::path_get_basename (filepath);
4982 /* 2) if the file is outside our session dir:
4983 * (imported but not copied) add the path for check-summming */
4985 path = Glib::path_get_dirname (filepath);
4988 return peak_file_helper (_session_dir->peak_path(), path, Glib::path_get_basename (filepath), !old_peak_name);
4992 Session::new_audio_source_path_for_embedded (const std::string& path)
4996 * we know that the filename is already unique because it exists
4997 * out in the filesystem.
4999 * However, when we bring it into the session, we could get a
5002 * Eg. two embedded files:
5007 * When merged into session, these collide.
5009 * There will not be a conflict with in-memory sources
5010 * because when the source was created we already picked
5011 * a unique name for it.
5013 * This collision is not likely to be common, but we have to guard
5014 * against it. So, if there is a collision, take the md5 hash of the
5015 * the path, and use that as the filename instead.
5018 SessionDirectory sdir (get_best_session_directory_for_new_audio());
5019 string base = Glib::path_get_basename (path);
5020 string newpath = Glib::build_filename (sdir.sound_path(), base);
5022 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
5026 md5.digestString (path.c_str());
5027 md5.writeToString ();
5028 base = md5.digestChars;
5030 string ext = get_suffix (path);
5037 newpath = Glib::build_filename (sdir.sound_path(), base);
5039 /* if this collides, we're screwed */
5041 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
5042 error << string_compose (_("Merging embedded file %1: name collision AND md5 hash collision!"), path) << endmsg;
5051 /** Return true if there are no audio file sources that use @param name as
5052 * the filename component of their path.
5054 * Return false otherwise.
5056 * This method MUST ONLY be used to check in-session, mono files since it
5057 * hard-codes the channel of the audio file source we are looking for as zero.
5059 * If/when Ardour supports native files in non-mono formats, the logic here
5060 * will need to be revisited.
5063 Session::audio_source_name_is_unique (const string& name)
5065 std::vector<string> sdirs = source_search_path (DataType::AUDIO);
5066 vector<space_and_path>::iterator i;
5067 uint32_t existing = 0;
5069 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
5071 /* note that we search *without* the extension so that
5072 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
5073 in the event that this new name is required for
5074 a file format change.
5077 const string spath = *i;
5079 if (matching_unsuffixed_filename_exists_in (spath, name)) {
5084 /* it is possible that we have the path already
5085 * assigned to a source that has not yet been written
5086 * (ie. the write source for a diskstream). we have to
5087 * check this in order to make sure that our candidate
5088 * path isn't used again, because that can lead to
5089 * two Sources point to the same file with different
5090 * notions of their removability.
5094 string possible_path = Glib::build_filename (spath, name);
5096 if (audio_source_by_path_and_channel (possible_path, 0)) {
5102 return (existing == 0);
5106 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)
5109 const string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
5111 if (Profile->get_trx() && destructive) {
5113 sstr << setfill ('0') << setw (4) << cnt;
5114 sstr << legalized_base;
5116 sstr << legalized_base;
5118 if (take_required || related_exists) {
5130 } else if (nchan > 2) {
5135 /* XXX what? more than 26 channels! */
5146 /** Return a unique name based on \a base for a new internal audio source */
5148 Session::new_audio_source_path (const string& base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required)
5151 string possible_name;
5152 const uint32_t limit = 9999; // arbitrary limit on number of files with the same basic name
5154 bool some_related_source_name_exists = false;
5156 legalized = legalize_for_path (base);
5158 // Find a "version" of the base name that doesn't exist in any of the possible directories.
5160 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
5162 possible_name = format_audio_source_name (legalized, nchan, chan, destructive, take_required, cnt, some_related_source_name_exists);
5164 if (audio_source_name_is_unique (possible_name)) {
5168 some_related_source_name_exists = true;
5171 error << string_compose(
5172 _("There are already %1 recordings for %2, which I consider too many."),
5173 limit, base) << endmsg;
5175 throw failed_constructor();
5179 /* We've established that the new name does not exist in any session
5180 * directory, so now find out which one we should use for this new
5184 SessionDirectory sdir (get_best_session_directory_for_new_audio());
5186 std::string s = Glib::build_filename (sdir.sound_path(), possible_name);
5191 /** Return a unique name based on `base` for a new internal MIDI source */
5193 Session::new_midi_source_path (const string& base, bool need_lock)
5195 string possible_path;
5196 string possible_name;
5198 possible_name = legalize_for_path (base);
5200 // Find a "version" of the file name that doesn't exist in any of the possible directories.
5201 std::vector<string> sdirs = source_search_path(DataType::MIDI);
5203 /* - the main session folder is the first in the vector.
5204 * - after checking all locations for file-name uniqueness,
5205 * we keep the one from the last iteration as new file name
5206 * - midi files are small and should just be kept in the main session-folder
5208 * -> reverse the array, check main session folder last and use that as location
5211 std::reverse(sdirs.begin(), sdirs.end());
5214 possible_name = bump_name_once (possible_name, '-');
5216 vector<space_and_path>::iterator i;
5217 uint32_t existing = 0;
5219 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
5221 possible_path = Glib::build_filename (*i, possible_name + ".mid");
5223 if (Glib::file_test (possible_path, Glib::FILE_TEST_EXISTS)) {
5227 if (midi_source_by_path (possible_path, need_lock)) {
5232 if (possible_path.size () >= PATH_MAX) {
5233 error << string_compose(
5234 _("There are already many recordings for %1, resulting in a too long file-path %2."),
5235 base, possible_path) << endmsg;
5240 if (existing == 0) {
5245 /* No need to "find best location" for software/app-based RAID, because
5246 MIDI is so small that we always put it in the same place.
5249 return possible_path;
5253 /** Create a new within-session audio source */
5254 boost::shared_ptr<AudioFileSource>
5255 Session::create_audio_source_for_session (size_t n_chans, string const & base, uint32_t chan, bool destructive)
5257 const string path = new_audio_source_path (base, n_chans, chan, destructive, true);
5259 if (!path.empty()) {
5260 return boost::dynamic_pointer_cast<AudioFileSource> (
5261 SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, sample_rate(), true, true));
5263 throw failed_constructor ();
5267 /** Create a new within-session MIDI source */
5268 boost::shared_ptr<MidiSource>
5269 Session::create_midi_source_for_session (string const & basic_name)
5271 const string path = new_midi_source_path (basic_name);
5273 if (!path.empty()) {
5274 return boost::dynamic_pointer_cast<SMFSource> (
5275 SourceFactory::createWritable (
5276 DataType::MIDI, *this, path, false, sample_rate()));
5278 throw failed_constructor ();
5282 /** Create a new within-session MIDI source */
5283 boost::shared_ptr<MidiSource>
5284 Session::create_midi_source_by_stealing_name (boost::shared_ptr<Track> track)
5286 /* the caller passes in the track the source will be used in,
5287 so that we can keep the numbering sane.
5289 Rationale: a track with the name "Foo" that has had N
5290 captures carried out so far will ALREADY have a write source
5291 named "Foo-N+1.mid" waiting to be used for the next capture.
5293 If we call new_midi_source_name() we will get "Foo-N+2". But
5294 there is no region corresponding to "Foo-N+1", so when
5295 "Foo-N+2" appears in the track, the gap presents the user
5296 with odd behaviour - why did it skip past Foo-N+1?
5298 We could explain this to the user in some odd way, but
5299 instead we rename "Foo-N+1.mid" as "Foo-N+2.mid", and then
5302 If that attempted rename fails, we get "Foo-N+2.mid" anyway.
5305 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (track);
5307 std::string name = track->steal_write_source_name ();
5310 return boost::shared_ptr<MidiSource>();
5313 /* MIDI files are small, just put them in the first location of the
5314 session source search path.
5317 const string path = Glib::build_filename (source_search_path (DataType::MIDI).front(), name);
5319 return boost::dynamic_pointer_cast<SMFSource> (
5320 SourceFactory::createWritable (
5321 DataType::MIDI, *this, path, false, sample_rate()));
5326 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
5328 if (playlist->hidden()) {
5332 playlists->add (playlist);
5335 playlist->release();
5342 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
5344 if (_state_of_the_state & Deletion) {
5348 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
5354 playlists->remove (playlist);
5360 Session::set_audition (boost::shared_ptr<Region> r)
5362 pending_audition_region = r;
5363 add_post_transport_work (PostTransportAudition);
5364 _butler->schedule_transport_work ();
5368 Session::audition_playlist ()
5370 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5371 ev->region.reset ();
5377 Session::register_lua_function (
5378 const std::string& name,
5379 const std::string& script,
5380 const LuaScriptParamList& args
5383 Glib::Threads::Mutex::Lock lm (lua_lock);
5385 lua_State* L = lua.getState();
5387 const std::string& bytecode = LuaScripting::get_factory_bytecode (script);
5388 luabridge::LuaRef tbl_arg (luabridge::newTable(L));
5389 for (LuaScriptParamList::const_iterator i = args.begin(); i != args.end(); ++i) {
5390 if ((*i)->optional && !(*i)->is_set) { continue; }
5391 tbl_arg[(*i)->name] = (*i)->value;
5393 (*_lua_add)(name, bytecode, tbl_arg); // throws luabridge::LuaException
5396 LuaScriptsChanged (); /* EMIT SIGNAL */
5401 Session::unregister_lua_function (const std::string& name)
5403 Glib::Threads::Mutex::Lock lm (lua_lock);
5404 (*_lua_del)(name); // throws luabridge::LuaException
5405 lua.collect_garbage ();
5408 LuaScriptsChanged (); /* EMIT SIGNAL */
5412 std::vector<std::string>
5413 Session::registered_lua_functions ()
5415 Glib::Threads::Mutex::Lock lm (lua_lock);
5416 std::vector<std::string> rv;
5419 luabridge::LuaRef list ((*_lua_list)());
5420 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5421 if (!i.key ().isString ()) { assert(0); continue; }
5422 rv.push_back (i.key ().cast<std::string> ());
5429 static void _lua_print (std::string s) {
5430 std::cout << "SessionLua: " << s << "\n";
5435 Session::try_run_lua (pframes_t nframes)
5437 if (_n_lua_scripts == 0) return;
5438 Glib::Threads::Mutex::Lock tm (lua_lock, Glib::Threads::TRY_LOCK);
5440 try { (*_lua_run)(nframes); } catch (...) { }
5441 lua.collect_garbage_step ();
5446 Session::setup_lua ()
5449 lua.Print.connect (&_lua_print);
5453 "function ArdourSession ()"
5454 " local self = { scripts = {}, instances = {} }"
5456 " local remove = function (n)"
5457 " self.scripts[n] = nil"
5458 " self.instances[n] = nil"
5459 " Session:scripts_changed()" // call back
5462 " local addinternal = function (n, f, a)"
5463 " assert(type(n) == 'string', 'function-name must be string')"
5464 " assert(type(f) == 'function', 'Given script is a not a function')"
5465 " assert(type(a) == 'table' or type(a) == 'nil', 'Given argument is invalid')"
5466 " assert(self.scripts[n] == nil, 'Callback \"'.. n ..'\" already exists.')"
5467 " self.scripts[n] = { ['f'] = f, ['a'] = a }"
5468 " 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 }"
5469 " self.instances[n] = load (string.dump(f, true), nil, nil, env)(a)"
5470 " Session:scripts_changed()" // call back
5473 " local add = function (n, b, a)"
5474 " assert(type(b) == 'string', 'ByteCode must be string')"
5475 " load (b)()" // assigns f
5476 " assert(type(f) == 'string', 'Assigned ByteCode must be string')"
5477 " addinternal (n, load(f), a)"
5480 " local run = function (...)"
5481 " for n, s in pairs (self.instances) do"
5482 " local status, err = pcall (s, ...)"
5483 " if not status then"
5484 " print ('fn \"'.. n .. '\": ', err)"
5491 " local cleanup = function ()"
5492 " self.scripts = nil"
5493 " self.instances = nil"
5496 " local list = function ()"
5498 " for n, _ in pairs (self.scripts) do"
5504 " local function basic_serialize (o)"
5505 " if type(o) == \"number\" then"
5506 " return tostring(o)"
5508 " return string.format(\"%q\", o)"
5512 " local function serialize (name, value)"
5513 " local rv = name .. ' = '"
5515 " if type(value) == \"number\" or type(value) == \"string\" or type(value) == \"nil\" then"
5516 " return rv .. basic_serialize(value) .. ' '"
5517 " elseif type(value) == \"table\" then"
5519 " for k,v in pairs(value) do"
5520 " local fieldname = string.format(\"%s[%s]\", name, basic_serialize(k))"
5521 " rv = rv .. serialize(fieldname, v) .. ' '"
5522 " collectgarbage()" // string concatenation allocates a new string :(
5525 " elseif type(value) == \"function\" then"
5526 " return rv .. string.format(\"%q\", string.dump(value, true))"
5528 " error('cannot save a ' .. type(value))"
5533 " local save = function ()"
5534 " return (serialize('scripts', self.scripts))"
5537 " local restore = function (state)"
5538 " self.scripts = {}"
5540 " for n, s in pairs (scripts) do"
5541 " addinternal (n, load(s['f']), s['a'])"
5545 " return { run = run, add = add, remove = remove,"
5546 " list = list, restore = restore, save = save, cleanup = cleanup}"
5549 " sess = ArdourSession ()"
5550 " ArdourSession = nil"
5552 "function ardour () end"
5555 lua_State* L = lua.getState();
5558 luabridge::LuaRef lua_sess = luabridge::getGlobal (L, "sess");
5559 lua.do_command ("sess = nil"); // hide it.
5560 lua.do_command ("collectgarbage()");
5562 _lua_run = new luabridge::LuaRef(lua_sess["run"]);
5563 _lua_add = new luabridge::LuaRef(lua_sess["add"]);
5564 _lua_del = new luabridge::LuaRef(lua_sess["remove"]);
5565 _lua_list = new luabridge::LuaRef(lua_sess["list"]);
5566 _lua_save = new luabridge::LuaRef(lua_sess["save"]);
5567 _lua_load = new luabridge::LuaRef(lua_sess["restore"]);
5568 _lua_cleanup = new luabridge::LuaRef(lua_sess["cleanup"]);
5569 } catch (luabridge::LuaException const& e) {
5570 fatal << string_compose (_("programming error: %1"),
5571 std::string ("Failed to setup session Lua interpreter") + e.what ())
5573 abort(); /*NOTREACHED*/
5575 fatal << string_compose (_("programming error: %1"),
5576 X_("Failed to setup session Lua interpreter"))
5578 abort(); /*NOTREACHED*/
5582 LuaBindings::stddef (L);
5583 LuaBindings::common (L);
5584 LuaBindings::dsp (L);
5586 luabridge::push <Session *> (L, this);
5587 lua_setglobal (L, "Session");
5591 Session::scripts_changed ()
5593 assert (!lua_lock.trylock()); // must hold lua_lock
5596 luabridge::LuaRef list ((*_lua_list)());
5598 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5599 if (!i.key ().isString ()) { assert(0); continue; }
5602 _n_lua_scripts = cnt;
5603 } catch (luabridge::LuaException const& e) {
5604 fatal << string_compose (_("programming error: %1"),
5605 std::string ("Indexing Lua Session Scripts failed.") + e.what ())
5607 abort(); /*NOTREACHED*/
5609 fatal << string_compose (_("programming error: %1"),
5610 X_("Indexing Lua Session Scripts failed."))
5612 abort(); /*NOTREACHED*/
5617 Session::non_realtime_set_audition ()
5619 assert (pending_audition_region);
5620 auditioner->audition_region (pending_audition_region);
5621 pending_audition_region.reset ();
5622 AuditionActive (true); /* EMIT SIGNAL */
5626 Session::audition_region (boost::shared_ptr<Region> r)
5628 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5634 Session::cancel_audition ()
5639 if (auditioner->auditioning()) {
5640 auditioner->cancel_audition ();
5641 AuditionActive (false); /* EMIT SIGNAL */
5646 Session::is_auditioning () const
5648 /* can be called before we have an auditioner object */
5650 return auditioner->auditioning();
5657 Session::graph_reordered ()
5659 /* don't do this stuff if we are setting up connections
5660 from a set_state() call or creating new tracks. Ditto for deletion.
5663 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _reconnecting_routes_in_progress || _route_deletion_in_progress) {
5669 /* force all diskstreams to update their capture offset values to
5670 * reflect any changes in latencies within the graph.
5672 update_route_latency (false, true);
5675 /** @return Number of samples that there is disk space available to write,
5678 boost::optional<samplecnt_t>
5679 Session::available_capture_duration ()
5681 Glib::Threads::Mutex::Lock lm (space_lock);
5683 if (_total_free_4k_blocks_uncertain) {
5684 return boost::optional<samplecnt_t> ();
5687 float sample_bytes_on_disk = 4.0; // keep gcc happy
5689 switch (config.get_native_file_data_format()) {
5691 sample_bytes_on_disk = 4.0;
5695 sample_bytes_on_disk = 3.0;
5699 sample_bytes_on_disk = 2.0;
5703 /* impossible, but keep some gcc versions happy */
5704 fatal << string_compose (_("programming error: %1"),
5705 X_("illegal native file data format"))
5707 abort(); /*NOTREACHED*/
5710 double scale = 4096.0 / sample_bytes_on_disk;
5712 if (_total_free_4k_blocks * scale > (double) max_samplecnt) {
5713 return max_samplecnt;
5716 return (samplecnt_t) floor (_total_free_4k_blocks * scale);
5720 Session::add_bundle (boost::shared_ptr<Bundle> bundle, bool emit_signal)
5723 RCUWriter<BundleList> writer (_bundles);
5724 boost::shared_ptr<BundleList> b = writer.get_copy ();
5725 b->push_back (bundle);
5729 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5736 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
5738 bool removed = false;
5741 RCUWriter<BundleList> writer (_bundles);
5742 boost::shared_ptr<BundleList> b = writer.get_copy ();
5743 BundleList::iterator i = find (b->begin(), b->end(), bundle);
5745 if (i != b->end()) {
5752 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5758 boost::shared_ptr<Bundle>
5759 Session::bundle_by_name (string name) const
5761 boost::shared_ptr<BundleList> b = _bundles.reader ();
5763 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
5764 if ((*i)->name() == name) {
5769 return boost::shared_ptr<Bundle> ();
5773 Session::tempo_map_changed (const PropertyChange&)
5777 playlists->update_after_tempo_map_change ();
5779 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
5785 Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
5787 for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
5788 (*i)->recompute_samples_from_beat ();
5792 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
5793 * the given count with the current block size.
5796 Session::ensure_buffers (ChanCount howmany)
5798 BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
5802 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
5804 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5805 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
5810 Session::next_insert_id ()
5812 /* this doesn't really loop forever. just think about it */
5815 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < insert_bitset.size(); ++n) {
5816 if (!insert_bitset[n]) {
5817 insert_bitset[n] = true;
5823 /* none available, so resize and try again */
5825 insert_bitset.resize (insert_bitset.size() + 16, false);
5830 Session::next_send_id ()
5832 /* this doesn't really loop forever. just think about it */
5835 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < send_bitset.size(); ++n) {
5836 if (!send_bitset[n]) {
5837 send_bitset[n] = true;
5843 /* none available, so resize and try again */
5845 send_bitset.resize (send_bitset.size() + 16, false);
5850 Session::next_aux_send_id ()
5852 /* this doesn't really loop forever. just think about it */
5855 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < aux_send_bitset.size(); ++n) {
5856 if (!aux_send_bitset[n]) {
5857 aux_send_bitset[n] = true;
5863 /* none available, so resize and try again */
5865 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
5870 Session::next_return_id ()
5872 /* this doesn't really loop forever. just think about it */
5875 for (boost::dynamic_bitset<uint32_t>::size_type n = 1; n < return_bitset.size(); ++n) {
5876 if (!return_bitset[n]) {
5877 return_bitset[n] = true;
5883 /* none available, so resize and try again */
5885 return_bitset.resize (return_bitset.size() + 16, false);
5890 Session::mark_send_id (uint32_t id)
5892 if (id >= send_bitset.size()) {
5893 send_bitset.resize (id+16, false);
5895 if (send_bitset[id]) {
5896 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
5898 send_bitset[id] = true;
5902 Session::mark_aux_send_id (uint32_t id)
5904 if (id >= aux_send_bitset.size()) {
5905 aux_send_bitset.resize (id+16, false);
5907 if (aux_send_bitset[id]) {
5908 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
5910 aux_send_bitset[id] = true;
5914 Session::mark_return_id (uint32_t id)
5916 if (id >= return_bitset.size()) {
5917 return_bitset.resize (id+16, false);
5919 if (return_bitset[id]) {
5920 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
5922 return_bitset[id] = true;
5926 Session::mark_insert_id (uint32_t id)
5928 if (id >= insert_bitset.size()) {
5929 insert_bitset.resize (id+16, false);
5931 if (insert_bitset[id]) {
5932 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
5934 insert_bitset[id] = true;
5938 Session::unmark_send_id (uint32_t id)
5940 if (id < send_bitset.size()) {
5941 send_bitset[id] = false;
5946 Session::unmark_aux_send_id (uint32_t id)
5948 if (id < aux_send_bitset.size()) {
5949 aux_send_bitset[id] = false;
5954 Session::unmark_return_id (uint32_t id)
5956 if (_state_of_the_state & Deletion) { return; }
5957 if (id < return_bitset.size()) {
5958 return_bitset[id] = false;
5963 Session::unmark_insert_id (uint32_t id)
5965 if (id < insert_bitset.size()) {
5966 insert_bitset[id] = false;
5971 Session::reset_native_file_format ()
5973 boost::shared_ptr<RouteList> rl = routes.reader ();
5975 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5976 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5978 /* don't save state as we do this, there's no point
5980 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
5981 tr->reset_write_sources (false);
5982 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
5988 Session::route_name_unique (string n) const
5990 boost::shared_ptr<RouteList> r = routes.reader ();
5992 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5993 if ((*i)->name() == n) {
6002 Session::route_name_internal (string n) const
6004 if (auditioner && auditioner->name() == n) {
6008 if (_click_io && _click_io->name() == n) {
6016 Session::freeze_all (InterThreadInfo& itt)
6018 boost::shared_ptr<RouteList> r = routes.reader ();
6020 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6022 boost::shared_ptr<Track> t;
6024 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
6025 /* XXX this is wrong because itt.progress will keep returning to zero at the start
6035 boost::shared_ptr<Region>
6036 Session::write_one_track (Track& track, samplepos_t start, samplepos_t end,
6037 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
6038 InterThreadInfo& itt,
6039 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
6040 bool for_export, bool for_freeze)
6042 boost::shared_ptr<Region> result;
6043 boost::shared_ptr<Playlist> playlist;
6044 boost::shared_ptr<Source> source;
6045 ChanCount diskstream_channels (track.n_channels());
6046 samplepos_t position;
6047 samplecnt_t this_chunk;
6049 samplepos_t latency_skip;
6051 samplepos_t len = end - start;
6052 bool need_block_size_reset = false;
6053 ChanCount const max_proc = track.max_processor_streams ();
6054 string legal_playlist_name;
6055 string possible_path;
6058 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
6059 end, start) << endmsg;
6063 diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
6064 include_endpoint, for_export, for_freeze);
6066 if (diskstream_channels.n(track.data_type()) < 1) {
6067 error << _("Cannot write a range with no data.") << endmsg;
6071 // block all process callback handling
6073 block_processing ();
6076 // synchronize with AudioEngine::process_callback()
6077 // make sure processing is not currently running
6078 // and processing_blocked() is honored before
6079 // acquiring thread buffers
6080 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6083 _bounce_processing_active = true;
6085 /* call tree *MUST* hold route_lock */
6087 if ((playlist = track.playlist()) == 0) {
6091 legal_playlist_name = legalize_for_path (playlist->name());
6093 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n(track.data_type()); ++chan_n) {
6095 string base_name = string_compose ("%1-%2-bounce", playlist->name(), chan_n);
6096 string path = ((track.data_type() == DataType::AUDIO)
6097 ? new_audio_source_path (legal_playlist_name, diskstream_channels.n_audio(), chan_n, false, true)
6098 : new_midi_source_path (legal_playlist_name));
6105 source = SourceFactory::createWritable (track.data_type(), *this, path, false, sample_rate());
6108 catch (failed_constructor& err) {
6109 error << string_compose (_("cannot create new file \"%1\" for %2"), path, track.name()) << endmsg;
6113 srcs.push_back (source);
6116 /* tell redirects that care that we are about to use a much larger
6117 * blocksize. this will flush all plugins too, so that they are ready
6118 * to be used for this process.
6121 need_block_size_reset = true;
6122 track.set_block_size (bounce_chunk_size);
6123 _engine.main_thread()->get_buffers ();
6127 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
6129 /* create a set of reasonably-sized buffers */
6130 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
6131 buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
6133 buffers.set_count (max_proc);
6135 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6136 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6137 boost::shared_ptr<MidiSource> ms;
6139 afs->prepare_for_peakfile_writes ();
6140 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6141 Source::Lock lock(ms->mutex());
6142 ms->mark_streaming_write_started(lock);
6146 while (to_do && !itt.cancel) {
6148 this_chunk = min (to_do, bounce_chunk_size);
6150 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
6154 start += this_chunk;
6155 to_do -= this_chunk;
6156 itt.progress = (float) (1.0 - ((double) to_do / len));
6158 if (latency_skip >= bounce_chunk_size) {
6159 latency_skip -= bounce_chunk_size;
6163 const samplecnt_t current_chunk = this_chunk - latency_skip;
6166 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
6167 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6168 boost::shared_ptr<MidiSource> ms;
6171 if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
6174 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6175 Source::Lock lock(ms->mutex());
6177 const MidiBuffer& buf = buffers.get_midi(0);
6178 for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
6179 Evoral::Event<samplepos_t> ev = *i;
6180 ev.set_time(ev.time() - position);
6181 ms->append_event_samples(lock, ev, ms->timeline_position());
6188 /* post-roll, pick up delayed processor output */
6189 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
6191 while (latency_skip && !itt.cancel) {
6192 this_chunk = min (latency_skip, bounce_chunk_size);
6193 latency_skip -= this_chunk;
6195 buffers.silence (this_chunk, 0);
6196 track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
6199 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
6200 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6203 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
6215 xnow = localtime (&now);
6217 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
6218 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6219 boost::shared_ptr<MidiSource> ms;
6222 afs->update_header (position, *xnow, now);
6223 afs->flush_header ();
6224 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
6225 Source::Lock lock(ms->mutex());
6226 ms->mark_streaming_write_completed(lock);
6230 /* construct a region to represent the bounced material */
6234 plist.add (Properties::start, 0);
6235 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
6236 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
6238 result = RegionFactory::create (srcs, plist);
6244 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6245 (*src)->mark_for_remove ();
6246 (*src)->drop_references ();
6250 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
6251 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
6254 afs->done_with_peakfile_writes ();
6258 _bounce_processing_active = false;
6260 if (need_block_size_reset) {
6261 _engine.main_thread()->drop_buffers ();
6262 track.set_block_size (get_block_size());
6265 unblock_processing ();
6271 Session::gain_automation_buffer() const
6273 return ProcessThread::gain_automation_buffer ();
6277 Session::trim_automation_buffer() const
6279 return ProcessThread::trim_automation_buffer ();
6283 Session::send_gain_automation_buffer() const
6285 return ProcessThread::send_gain_automation_buffer ();
6289 Session::scratch_automation_buffer() const
6291 return ProcessThread::scratch_automation_buffer ();
6295 Session::pan_automation_buffer() const
6297 return ProcessThread::pan_automation_buffer ();
6301 Session::get_silent_buffers (ChanCount count)
6303 return ProcessThread::get_silent_buffers (count);
6307 Session::get_scratch_buffers (ChanCount count, bool silence)
6309 return ProcessThread::get_scratch_buffers (count, silence);
6313 Session::get_noinplace_buffers (ChanCount count)
6315 return ProcessThread::get_noinplace_buffers (count);
6319 Session::get_route_buffers (ChanCount count, bool silence)
6321 return ProcessThread::get_route_buffers (count, silence);
6326 Session::get_mix_buffers (ChanCount count)
6328 return ProcessThread::get_mix_buffers (count);
6332 Session::ntracks () const
6335 boost::shared_ptr<RouteList> r = routes.reader ();
6337 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
6338 if (boost::dynamic_pointer_cast<Track> (*i)) {
6347 Session::nbusses () const
6350 boost::shared_ptr<RouteList> r = routes.reader ();
6352 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
6353 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
6362 Session::nstripables (bool with_monitor) const
6364 uint32_t rv = routes.reader()->size ();
6365 rv += _vca_manager->vcas ().size ();
6379 Session::add_automation_list(AutomationList *al)
6381 automation_lists[al->id()] = al;
6384 /** @return true if there is at least one record-enabled track, otherwise false */
6386 Session::have_rec_enabled_track () const
6388 return g_atomic_int_get (const_cast<gint*>(&_have_rec_enabled_track)) == 1;
6392 Session::have_rec_disabled_track () const
6394 return g_atomic_int_get (const_cast<gint*>(&_have_rec_disabled_track)) == 1;
6397 /** Update the state of our rec-enabled tracks flag */
6399 Session::update_route_record_state ()
6401 boost::shared_ptr<RouteList> rl = routes.reader ();
6402 RouteList::iterator i = rl->begin();
6403 while (i != rl->end ()) {
6405 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6406 if (tr && tr->rec_enable_control()->get_value()) {
6413 int const old = g_atomic_int_get (&_have_rec_enabled_track);
6415 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
6417 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
6418 RecordStateChanged (); /* EMIT SIGNAL */
6421 for (i = rl->begin(); i != rl->end (); ++i) {
6422 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6423 if (tr && !tr->rec_enable_control()->get_value()) {
6428 g_atomic_int_set (&_have_rec_disabled_track, i != rl->end () ? 1 : 0);
6430 bool record_arm_state_changed = (old != g_atomic_int_get (&_have_rec_enabled_track) );
6432 if (record_status() == Recording && record_arm_state_changed ) {
6433 RecordArmStateChanged ();
6439 Session::listen_position_changed ()
6441 ProcessorChangeBlocker pcb (this);
6442 boost::shared_ptr<RouteList> r = routes.reader ();
6443 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6444 (*i)->listen_position_changed ();
6449 Session::solo_control_mode_changed ()
6451 if (soloing() || listening()) {
6453 /* We can't use ::clear_all_solo_state() here because during
6454 session loading at program startup, that will queue a call
6455 to rt_clear_all_solo_state() that will not execute until
6456 AFTER solo states have been established (thus throwing away
6457 the session's saved solo state). So just explicitly turn
6460 set_controls (route_list_to_control_list (get_routes(), &Stripable::solo_control), 0.0, Controllable::NoGroup);
6462 clear_all_solo_state (get_routes());
6467 /** Called when a property of one of our route groups changes */
6469 Session::route_group_property_changed (RouteGroup* rg)
6471 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
6474 /** Called when a route is added to one of our route groups */
6476 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6478 RouteAddedToRouteGroup (rg, r);
6481 /** Called when a route is removed from one of our route groups */
6483 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6485 update_route_record_state ();
6486 RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
6488 if (!rg->has_control_master () && !rg->has_subgroup () && rg->empty()) {
6489 remove_route_group (*rg);
6493 boost::shared_ptr<AudioTrack>
6494 Session::get_nth_audio_track (int nth) const
6496 boost::shared_ptr<RouteList> rl = routes.reader ();
6497 rl->sort (Stripable::Sorter ());
6499 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
6500 if (!boost::dynamic_pointer_cast<AudioTrack> (*r)) {
6507 return boost::dynamic_pointer_cast<AudioTrack> (*r);
6509 return boost::shared_ptr<AudioTrack> ();
6512 boost::shared_ptr<RouteList>
6513 Session::get_tracks () const
6515 boost::shared_ptr<RouteList> rl = routes.reader ();
6516 boost::shared_ptr<RouteList> tl (new RouteList);
6518 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
6519 if (boost::dynamic_pointer_cast<Track> (*r)) {
6520 assert (!(*r)->is_auditioner()); // XXX remove me
6527 boost::shared_ptr<RouteList>
6528 Session::get_routes_with_regions_at (samplepos_t const p) const
6530 boost::shared_ptr<RouteList> r = routes.reader ();
6531 boost::shared_ptr<RouteList> rl (new RouteList);
6533 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6534 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6539 boost::shared_ptr<Playlist> pl = tr->playlist ();
6544 if (pl->has_region_at (p)) {
6553 Session::goto_end ()
6555 if (_session_range_location) {
6556 request_locate (_session_range_location->end(), false);
6558 request_locate (0, false);
6563 Session::goto_start (bool and_roll)
6565 if (_session_range_location) {
6566 request_locate (_session_range_location->start(), and_roll);
6568 request_locate (0, and_roll);
6573 Session::current_start_sample () const
6575 return _session_range_location ? _session_range_location->start() : 0;
6579 Session::current_end_sample () const
6581 return _session_range_location ? _session_range_location->end() : 0;
6585 Session::set_session_range_location (samplepos_t start, samplepos_t end)
6587 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange, 0);
6588 _locations->add (_session_range_location);
6592 Session::step_edit_status_change (bool yn)
6598 send = (_step_editors == 0);
6603 send = (_step_editors == 1);
6606 if (_step_editors > 0) {
6612 StepEditStatusChange (val);
6618 Session::start_time_changed (samplepos_t old)
6620 /* Update the auto loop range to match the session range
6621 (unless the auto loop range has been changed by the user)
6624 Location* s = _locations->session_range_location ();
6629 Location* l = _locations->auto_loop_location ();
6631 if (l && l->start() == old) {
6632 l->set_start (s->start(), true);
6638 Session::end_time_changed (samplepos_t old)
6640 /* Update the auto loop range to match the session range
6641 (unless the auto loop range has been changed by the user)
6644 Location* s = _locations->session_range_location ();
6649 Location* l = _locations->auto_loop_location ();
6651 if (l && l->end() == old) {
6652 l->set_end (s->end(), true);
6657 std::vector<std::string>
6658 Session::source_search_path (DataType type) const
6662 if (session_dirs.size() == 1) {
6664 case DataType::AUDIO:
6665 sp.push_back (_session_dir->sound_path());
6667 case DataType::MIDI:
6668 sp.push_back (_session_dir->midi_path());
6672 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
6673 SessionDirectory sdir (i->path);
6675 case DataType::AUDIO:
6676 sp.push_back (sdir.sound_path());
6678 case DataType::MIDI:
6679 sp.push_back (sdir.midi_path());
6685 if (type == DataType::AUDIO) {
6686 const string sound_path_2X = _session_dir->sound_path_2X();
6687 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
6688 if (find (sp.begin(), sp.end(), sound_path_2X) == sp.end()) {
6689 sp.push_back (sound_path_2X);
6694 // now check the explicit (possibly user-specified) search path
6697 case DataType::AUDIO:
6698 sp += Searchpath(config.get_audio_search_path ());
6700 case DataType::MIDI:
6701 sp += Searchpath(config.get_midi_search_path ());
6709 Session::ensure_search_path_includes (const string& path, DataType type)
6718 case DataType::AUDIO:
6719 sp += Searchpath(config.get_audio_search_path ());
6721 case DataType::MIDI:
6722 sp += Searchpath (config.get_midi_search_path ());
6726 for (vector<std::string>::iterator i = sp.begin(); i != sp.end(); ++i) {
6727 /* No need to add this new directory if it has the same inode as
6728 an existing one; checking inode rather than name prevents duplicated
6729 directories when we are using symlinks.
6731 On Windows, I think we could just do if (*i == path) here.
6733 if (PBD::equivalent_paths (*i, path)) {
6741 case DataType::AUDIO:
6742 config.set_audio_search_path (sp.to_string());
6744 case DataType::MIDI:
6745 config.set_midi_search_path (sp.to_string());
6751 Session::remove_dir_from_search_path (const string& dir, DataType type)
6756 case DataType::AUDIO:
6757 sp = Searchpath(config.get_audio_search_path ());
6759 case DataType::MIDI:
6760 sp = Searchpath (config.get_midi_search_path ());
6767 case DataType::AUDIO:
6768 config.set_audio_search_path (sp.to_string());
6770 case DataType::MIDI:
6771 config.set_midi_search_path (sp.to_string());
6777 boost::shared_ptr<Speakers>
6778 Session::get_speakers()
6784 Session::unknown_processors () const
6788 boost::shared_ptr<RouteList> r = routes.reader ();
6789 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6790 list<string> t = (*i)->unknown_processors ();
6791 copy (t.begin(), t.end(), back_inserter (p));
6801 Session::set_worst_io_latencies_x (IOChange, void *)
6803 set_worst_io_latencies ();
6807 Session::send_latency_compensation_change ()
6809 /* As a result of Send::set_output_latency()
6810 * or InternalReturn::set_playback_offset ()
6811 * the send's own latency can change (source track
6812 * is aligned with target bus).
6814 * This can only happen be triggered by
6815 * Route::update_signal_latency ()
6816 * when updating the processor latency.
6818 * We need to walk the graph again to take those changes into account
6819 * (we should probably recurse or process the graph in a 2 step process).
6821 ++_send_latency_changes;
6825 Session::update_route_latency (bool playback, bool apply_to_delayline)
6827 /* Note: RouteList is process-graph sorted */
6828 boost::shared_ptr<RouteList> r = routes.reader ();
6831 /* reverse the list so that we work backwards from the last route to run to the first,
6832 * this is not needed, but can help to reduce the iterations for aux-sends.
6834 RouteList* rl = routes.reader().get();
6835 r.reset (new RouteList (*rl));
6836 reverse (r->begin(), r->end());
6839 bool changed = false;
6842 _send_latency_changes = 0;
6843 _worst_route_latency = 0;
6845 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6846 // if (!(*i)->active()) { continue ; } // TODO
6848 if ((*i)->signal_latency () != (l = (*i)->update_signal_latency (apply_to_delayline))) {
6851 _worst_route_latency = std::max (l, _worst_route_latency);
6854 if (_send_latency_changes > 0) {
6855 // only 1 extra iteration is needed (we allow only 1 level of aux-sends)
6856 // BUT.. jack'n'sends'n'bugs
6857 if (++bailout < 5) {
6858 cerr << "restarting Session::update_latency. # of send changes: " << _send_latency_changes << " iteration: " << bailout << endl;
6863 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_route_latency, (changed ? "yes" : "no")));
6869 Session::update_latency (bool playback)
6871 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
6873 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _route_deletion_in_progress) {
6876 if (!_engine.running()) {
6880 /* Note; RouteList is sorted as process-graph */
6881 boost::shared_ptr<RouteList> r = routes.reader ();
6884 /* reverse the list so that we work backwards from the last route to run to the first */
6885 RouteList* rl = routes.reader().get();
6886 r.reset (new RouteList (*rl));
6887 reverse (r->begin(), r->end());
6890 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6891 samplecnt_t latency = (*i)->set_private_port_latencies (playback);
6892 (*i)->set_public_port_latencies (latency, playback);
6896 set_worst_output_latency ();
6897 update_route_latency (true, true);
6899 set_worst_input_latency ();
6900 update_route_latency (false, false);
6903 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
6907 Session::initialize_latencies ()
6910 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6911 update_latency (false);
6912 update_latency (true);
6915 set_worst_io_latencies ();
6919 Session::set_worst_io_latencies ()
6921 set_worst_output_latency ();
6922 set_worst_input_latency ();
6926 Session::set_worst_output_latency ()
6928 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6932 _worst_output_latency = 0;
6934 if (!_engine.running()) {
6938 boost::shared_ptr<RouteList> r = routes.reader ();
6940 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6941 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
6944 _worst_output_latency = max (_worst_output_latency, _click_io->latency());
6946 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
6950 Session::set_worst_input_latency ()
6952 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6956 _worst_input_latency = 0;
6958 if (!_engine.running()) {
6962 boost::shared_ptr<RouteList> r = routes.reader ();
6964 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6965 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
6968 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
6972 Session::update_latency_compensation (bool force_whole_graph)
6974 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6977 /* this lock is not usually contended, but under certain conditions,
6978 * update_latency_compensation may be called concurrently.
6979 * e.g. drag/drop copy a latent plugin while rolling.
6980 * GUI thread (via route_processors_changed) and
6981 * auto_connect_thread_run may race.
6983 Glib::Threads::Mutex::Lock lx (_update_latency_lock, Glib::Threads::TRY_LOCK);
6985 /* no need to do this twice */
6989 bool some_track_latency_changed = update_route_latency (false, false);
6991 if (some_track_latency_changed || force_whole_graph) {
6992 _engine.update_latencies ();
6993 /* above call will ask the backend up update its latencies, which
6994 * eventually will trigger AudioEngine::latency_callback () and
6995 * call Session::update_latency ()
6998 boost::shared_ptr<RouteList> r = routes.reader ();
6999 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
7000 (*i)->apply_latency_compensation ();
7006 Session::session_name_is_legal (const string& path)
7008 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
7010 for (int i = 0; illegal_chars[i]; ++i) {
7011 if (path.find (illegal_chars[i]) != string::npos) {
7012 return illegal_chars[i];
7020 Session::notify_presentation_info_change ()
7022 if (deletion_in_progress()) {
7026 reassign_track_numbers();
7028 #ifdef USE_TRACKS_CODE_FEATURES
7029 /* Waves Tracks: for Waves Tracks session it's required to reconnect their IOs
7030 * if track order has been changed by user
7032 reconnect_existing_routes(true, true);
7038 Session::operation_in_progress (GQuark op) const
7040 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
7043 boost::shared_ptr<Port>
7044 Session::ltc_output_port () const
7046 return _ltc_output ? _ltc_output->nth (0) : boost::shared_ptr<Port> ();
7050 Session::reconnect_ltc_output ()
7054 string src = Config->get_ltc_output_port();
7056 _ltc_output->disconnect (this);
7058 if (src != _("None") && !src.empty()) {
7059 _ltc_output->nth (0)->connect (src);
7065 Session::set_range_selection (samplepos_t start, samplepos_t end)
7067 _range_selection = Evoral::Range<samplepos_t> (start, end);
7068 #ifdef USE_TRACKS_CODE_FEATURES
7069 follow_playhead_priority ();
7074 Session::set_object_selection (samplepos_t start, samplepos_t end)
7076 _object_selection = Evoral::Range<samplepos_t> (start, end);
7077 #ifdef USE_TRACKS_CODE_FEATURES
7078 follow_playhead_priority ();
7083 Session::clear_range_selection ()
7085 _range_selection = Evoral::Range<samplepos_t> (-1,-1);
7086 #ifdef USE_TRACKS_CODE_FEATURES
7087 follow_playhead_priority ();
7092 Session::clear_object_selection ()
7094 _object_selection = Evoral::Range<samplepos_t> (-1,-1);
7095 #ifdef USE_TRACKS_CODE_FEATURES
7096 follow_playhead_priority ();
7101 Session::auto_connect_route (boost::shared_ptr<Route> route, bool connect_inputs,
7102 const ChanCount& input_start,
7103 const ChanCount& output_start,
7104 const ChanCount& input_offset,
7105 const ChanCount& output_offset)
7107 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7108 _auto_connect_queue.push (AutoConnectRequest (route, connect_inputs,
7109 input_start, output_start,
7110 input_offset, output_offset));
7112 auto_connect_thread_wakeup ();
7116 Session::auto_connect_thread_wakeup ()
7118 if (pthread_mutex_trylock (&_auto_connect_mutex) == 0) {
7119 pthread_cond_signal (&_auto_connect_cond);
7120 pthread_mutex_unlock (&_auto_connect_mutex);
7125 Session::queue_latency_recompute ()
7127 g_atomic_int_inc (&_latency_recompute_pending);
7128 auto_connect_thread_wakeup ();
7132 Session::auto_connect (const AutoConnectRequest& ar)
7134 boost::shared_ptr<Route> route = ar.route.lock();
7136 if (!route) { return; }
7138 if (!IO::connecting_legal) {
7142 /* If both inputs and outputs are auto-connected to physical ports,
7143 * use the max of input and output offsets to ensure auto-connected
7144 * port numbers always match up (e.g. the first audio input and the
7145 * first audio output of the route will have the same physical
7146 * port number). Otherwise just use the lowest input or output
7150 const bool in_out_physical =
7151 (Config->get_input_auto_connect() & AutoConnectPhysical)
7152 && (Config->get_output_auto_connect() & AutoConnectPhysical)
7153 && ar.connect_inputs;
7155 const ChanCount in_offset = in_out_physical
7156 ? ChanCount::max(ar.input_offset, ar.output_offset)
7159 const ChanCount out_offset = in_out_physical
7160 ? ChanCount::max(ar.input_offset, ar.output_offset)
7163 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
7164 vector<string> physinputs;
7165 vector<string> physoutputs;
7168 /* for connecting track inputs we only want MIDI ports marked
7172 get_physical_ports (physinputs, physoutputs, *t, MidiPortMusic);
7174 if (!physinputs.empty() && ar.connect_inputs) {
7175 uint32_t nphysical_in = physinputs.size();
7177 for (uint32_t i = ar.input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
7180 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
7181 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
7184 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
7190 if (!physoutputs.empty()) {
7191 uint32_t nphysical_out = physoutputs.size();
7192 for (uint32_t i = ar.output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
7196 * do not create new connections if we reached the limit of physical outputs
7199 if (!(Config->get_output_auto_connect() & AutoConnectMaster) &&
7200 ARDOUR::Profile->get_trx () &&
7201 ar.output_offset.get(*t) == nphysical_out ) {
7205 if ((*t) == DataType::MIDI && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
7206 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
7207 } else if ((*t) == DataType::AUDIO && (Config->get_output_auto_connect() & AutoConnectMaster)) {
7208 /* master bus is audio only */
7209 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
7210 port = _master_out->input()->ports().port(*t,
7211 i % _master_out->input()->n_ports().get(*t))->name();
7215 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
7224 Session::auto_connect_thread_start ()
7226 if (g_atomic_int_get (&_ac_thread_active)) {
7230 while (!_auto_connect_queue.empty ()) {
7231 _auto_connect_queue.pop ();
7234 g_atomic_int_set (&_ac_thread_active, 1);
7235 if (pthread_create (&_auto_connect_thread, NULL, auto_connect_thread, this)) {
7236 g_atomic_int_set (&_ac_thread_active, 0);
7241 Session::auto_connect_thread_terminate ()
7243 if (!g_atomic_int_get (&_ac_thread_active)) {
7248 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7249 while (!_auto_connect_queue.empty ()) {
7250 _auto_connect_queue.pop ();
7254 /* cannot use auto_connect_thread_wakeup() because that is allowed to
7255 * fail to wakeup the thread.
7258 pthread_mutex_lock (&_auto_connect_mutex);
7259 g_atomic_int_set (&_ac_thread_active, 0);
7260 pthread_cond_signal (&_auto_connect_cond);
7261 pthread_mutex_unlock (&_auto_connect_mutex);
7264 pthread_join (_auto_connect_thread, &status);
7268 Session::auto_connect_thread (void *arg)
7270 Session *s = static_cast<Session *>(arg);
7271 s->auto_connect_thread_run ();
7277 Session::auto_connect_thread_run ()
7279 pthread_set_name (X_("autoconnect"));
7280 SessionEvent::create_per_thread_pool (X_("autoconnect"), 1024);
7281 PBD::notify_event_loops_about_thread_creation (pthread_self(), X_("autoconnect"), 1024);
7282 pthread_mutex_lock (&_auto_connect_mutex);
7283 while (g_atomic_int_get (&_ac_thread_active)) {
7285 if (!_auto_connect_queue.empty ()) {
7286 // Why would we need the process lock ??
7287 // A: if ports are added while we're connecting, the backend's iterator may be invalidated:
7288 // graph_order_callback() -> resort_routes() -> direct_feeds_according_to_reality () -> backend::connected_to()
7289 // All ardour-internal backends use a std::vector xxxAudioBackend::find_port()
7290 // We have control over those, but what does jack do?
7291 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7293 Glib::Threads::Mutex::Lock lx (_auto_connect_queue_lock);
7294 while (!_auto_connect_queue.empty ()) {
7295 const AutoConnectRequest ar (_auto_connect_queue.front());
7296 _auto_connect_queue.pop ();
7303 if (!actively_recording ()) { // might not be needed,
7304 /* this is only used for updating plugin latencies, the
7305 * graph does not change. so it's safe in general.
7307 * update_latency_compensation ()
7308 * calls DiskWriter::set_capture_offset () which
7309 * modifies the capture-offset, which can be a problem.
7311 while (g_atomic_int_and (&_latency_recompute_pending, 0)) {
7312 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7313 update_latency_compensation ();
7318 // this may call ARDOUR::Port::drop ... jack_port_unregister ()
7319 // jack1 cannot cope with removing ports while processing
7320 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
7321 AudioEngine::instance()->clear_pending_port_deletions ();
7324 pthread_cond_wait (&_auto_connect_cond, &_auto_connect_mutex);
7326 pthread_mutex_unlock (&_auto_connect_mutex);
7330 Session::cancel_all_solo ()
7334 get_stripables (sl);
7336 set_controls (stripable_list_to_control_list (sl, &Stripable::solo_control), 0.0, Controllable::NoGroup);
7337 clear_all_solo_state (routes.reader());
7341 Session::maybe_update_tempo_from_midiclock_tempo (float bpm)
7343 if (_tempo_map->n_tempos() == 1) {
7344 TempoSection& ts (_tempo_map->tempo_section_at_sample (0));
7345 if (fabs (ts.note_types_per_minute() - bpm) > (0.01 * ts.note_types_per_minute())) {
7346 const Tempo tempo (bpm, 4.0, bpm);
7347 std::cerr << "new tempo " << bpm << " old " << ts.note_types_per_minute() << std::endl;
7348 _tempo_map->replace_tempo (ts, tempo, 0.0, 0.0, AudioTime);