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/boost_debug.h"
40 #include "pbd/convert.h"
41 #include "pbd/convert.h"
42 #include "pbd/error.h"
43 #include "pbd/file_utils.h"
45 #include "pbd/search_path.h"
46 #include "pbd/stacktrace.h"
47 #include "pbd/stl_delete.h"
48 #include "pbd/replace_all.h"
49 #include "pbd/unwind.h"
51 #include "ardour/amp.h"
52 #include "ardour/analyser.h"
53 #include "ardour/async_midi_port.h"
54 #include "ardour/audio_buffer.h"
55 #include "ardour/audio_diskstream.h"
56 #include "ardour/audio_port.h"
57 #include "ardour/audio_track.h"
58 #include "ardour/audioengine.h"
59 #include "ardour/audiofilesource.h"
60 #include "ardour/auditioner.h"
61 #include "ardour/buffer_manager.h"
62 #include "ardour/buffer_set.h"
63 #include "ardour/bundle.h"
64 #include "ardour/butler.h"
65 #include "ardour/click.h"
66 #include "ardour/control_protocol_manager.h"
67 #include "ardour/data_type.h"
68 #include "ardour/debug.h"
69 #include "ardour/directory_names.h"
70 #ifdef USE_TRACKS_CODE_FEATURES
71 #include "ardour/engine_state_controller.h"
73 #include "ardour/filename_extensions.h"
74 #include "ardour/gain_control.h"
75 #include "ardour/graph.h"
76 #include "ardour/luabindings.h"
77 #include "ardour/midiport_manager.h"
78 #include "ardour/scene_changer.h"
79 #include "ardour/midi_patch_manager.h"
80 #include "ardour/midi_track.h"
81 #include "ardour/midi_ui.h"
82 #include "ardour/operations.h"
83 #include "ardour/playlist.h"
84 #include "ardour/plugin.h"
85 #include "ardour/plugin_insert.h"
86 #include "ardour/process_thread.h"
87 #include "ardour/profile.h"
88 #include "ardour/rc_configuration.h"
89 #include "ardour/recent_sessions.h"
90 #include "ardour/region.h"
91 #include "ardour/region_factory.h"
92 #include "ardour/route_graph.h"
93 #include "ardour/route_group.h"
94 #include "ardour/route_sorters.h"
95 #include "ardour/send.h"
96 #include "ardour/session.h"
97 #include "ardour/session_directory.h"
98 #include "ardour/session_playlists.h"
99 #include "ardour/smf_source.h"
100 #include "ardour/source_factory.h"
101 #include "ardour/speakers.h"
102 #include "ardour/tempo.h"
103 #include "ardour/track.h"
104 #include "ardour/user_bundle.h"
105 #include "ardour/utils.h"
107 #include "midi++/port.h"
108 #include "midi++/mmc.h"
110 #include "LuaBridge/LuaBridge.h"
114 #include <glibmm/checksum.h>
123 using namespace ARDOUR;
126 bool Session::_disable_all_loaded_plugins = false;
127 bool Session::_bypass_all_loaded_plugins = false;
129 PBD::Signal1<int,uint32_t> Session::AudioEngineSetupRequired;
130 PBD::Signal1<void,std::string> Session::Dialog;
131 PBD::Signal0<int> Session::AskAboutPendingState;
132 PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
133 PBD::Signal0<void> Session::SendFeedback;
134 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
136 PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
137 PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
138 PBD::Signal2<void,std::string, std::string> Session::Exported;
139 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
140 PBD::Signal0<void> Session::Quit;
141 PBD::Signal0<void> Session::FeedbackDetected;
142 PBD::Signal0<void> Session::SuccessfulGraphSort;
143 PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
145 const framecnt_t Session::bounce_chunk_size = 8192;
146 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
147 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
149 // seconds should be added after the region exceeds end marker
150 #ifdef USE_TRACKS_CODE_FEATURES
151 const uint32_t Session::session_end_shift = 5;
153 const uint32_t Session::session_end_shift = 0;
156 /** @param snapshot_name Snapshot name, without .ardour suffix */
157 Session::Session (AudioEngine &eng,
158 const string& fullpath,
159 const string& snapshot_name,
160 BusProfile* bus_profile,
162 : playlists (new SessionPlaylists)
164 , process_function (&Session::process_with_events)
165 , _bounce_processing_active (false)
166 , waiting_for_sync_offset (false)
167 , _base_frame_rate (0)
168 , _current_frame_rate (0)
169 , _nominal_frame_rate (0)
170 , transport_sub_state (0)
171 , _record_status (Disabled)
172 , _transport_frame (0)
173 , _session_range_location (0)
176 , _transport_speed (0)
177 , _default_transport_speed (1.0)
178 , _last_transport_speed (0)
179 , _target_transport_speed (0.0)
180 , auto_play_legal (false)
181 , _last_slave_transport_frame (0)
182 , maximum_output_latency (0)
183 , _requested_return_frame (-1)
184 , current_block_size (0)
185 , _worst_output_latency (0)
186 , _worst_input_latency (0)
187 , _worst_track_latency (0)
188 , _have_captured (false)
189 , _non_soloed_outs_muted (false)
192 , _solo_isolated_cnt (0)
194 , _was_seamless (Config->get_seamless_loop ())
195 , _under_nsm_control (false)
197 , delta_accumulator_cnt (0)
198 , average_slave_delta (1800) // !!! why 1800 ???
200 , have_first_delta_accumulator (false)
201 , _slave_state (Stopped)
202 , _mtc_active (false)
203 , _ltc_active (false)
204 , post_export_sync (false)
205 , post_export_position (0)
207 , _export_rolling (false)
208 , _export_preroll (0)
209 , _pre_export_mmc_enabled (false)
210 , _name (snapshot_name)
212 , _send_qf_mtc (false)
213 , _pframes_since_last_mtc (0)
214 , session_midi_feedback (0)
216 , loop_changing (false)
218 , _session_dir (new SessionDirectory (fullpath))
219 , _current_snapshot_name (snapshot_name)
221 , state_was_pending (false)
222 , _state_of_the_state (StateOfTheState(CannotSave|InitialConnecting|Loading))
224 , _save_queued (false)
225 , _last_roll_location (0)
226 , _last_roll_or_reversal_location (0)
227 , _last_record_location (0)
228 , pending_locate_roll (false)
229 , pending_locate_frame (0)
230 , pending_locate_flush (false)
231 , pending_abort (false)
232 , pending_auto_loop (false)
233 , _mempool ("Session", 1048576)
234 , lua (lua_newstate (&PBD::ReallocPool::lalloc, &_mempool))
236 , _butler (new Butler (*this))
237 , _post_transport_work (0)
238 , cumulative_rf_motion (0)
240 , _locations (new Locations (*this))
241 , _ignore_skips_updates (false)
242 , _rt_thread_active (false)
243 , _rt_emit_pending (false)
245 , outbound_mtc_timecode_frame (0)
246 , next_quarter_frame_to_send (-1)
247 , _frames_per_timecode_frame (0)
248 , _frames_per_hour (0)
249 , _timecode_frames_per_hour (0)
250 , last_timecode_valid (false)
251 , last_timecode_when (0)
252 , _send_timecode_update (false)
264 , ltc_timecode_offset (0)
265 , ltc_timecode_negative_offset (false)
266 , midi_control_ui (0)
268 , _all_route_group (new RouteGroup (*this, "all"))
269 , routes (new RouteList)
270 , _adding_routes_in_progress (false)
271 , _reconnecting_routes_in_progress (false)
272 , _route_deletion_in_progress (false)
273 , destructive_index (0)
274 , _track_number_decimals(1)
275 , default_fade_steepness (0)
276 , default_fade_msecs (0)
277 , _total_free_4k_blocks (0)
278 , _total_free_4k_blocks_uncertain (false)
279 , no_questions_about_missing_files (false)
282 , _bundles (new BundleList)
283 , _bundle_xml_node (0)
287 , click_emphasis_data (0)
289 , click_emphasis_length (0)
290 , _clicks_cleared (0)
291 , _play_range (false)
292 , _range_selection (-1,-1)
293 , _object_selection (-1,-1)
295 , first_file_data_format_reset (true)
296 , first_file_header_format_reset (true)
297 , have_looped (false)
298 , _have_rec_enabled_track (false)
299 , _have_rec_disabled_track (true)
301 , _suspend_timecode_transmission (0)
302 , _speakers (new Speakers)
304 , ignore_route_processor_changes (false)
311 pthread_mutex_init (&_rt_emit_mutex, 0);
312 pthread_cond_init (&_rt_emit_cond, 0);
314 pre_engine_init (fullpath);
320 Stateful::loading_state_version = CURRENT_SESSION_FILE_VERSION;
322 #ifdef USE_TRACKS_CODE_FEATURES
323 sr = EngineStateController::instance()->get_current_sample_rate();
325 if (ensure_engine (sr)) {
327 throw SessionException (_("Cannot connect to audio/midi engine"));
330 // set samplerate for plugins added early
331 // e.g from templates or MB channelstrip
332 set_block_size (_engine.samples_per_cycle());
333 set_frame_rate (_engine.sample_rate());
335 if (create (mix_template, bus_profile)) {
337 throw SessionException (_("Session initialization failed"));
340 /* if a mix template was provided, then ::create() will
341 * have copied it into the session and we need to load it
342 * so that we have the state ready for ::set_state()
343 * after the engine is started.
345 * Note that we do NOT try to get the sample rate from
346 * the template at this time, though doing so would
347 * be easy if we decided this was an appropriate part
351 if (!mix_template.empty()) {
352 if (load_state (_current_snapshot_name)) {
353 throw SessionException (_("Failed to load template/snapshot state"));
355 store_recent_templates (mix_template);
358 /* load default session properties - if any */
363 if (load_state (_current_snapshot_name)) {
364 throw SessionException (_("Failed to load state"));
367 /* try to get sample rate from XML state so that we
368 * can influence the SR if we set up the audio
373 const XMLProperty* prop;
374 if ((prop = state_tree->root()->property (X_("sample-rate"))) != 0) {
375 sr = atoi (prop->value());
379 if (ensure_engine (sr)) {
381 throw SessionException (_("Cannot connect to audio/midi engine"));
385 if (post_engine_init ()) {
387 throw SessionException (_("Cannot configure audio/midi engine with session parameters"));
390 store_recent_sessions (_name, _path);
392 bool was_dirty = dirty();
394 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
396 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
397 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
400 DirtyChanged (); /* EMIT SIGNAL */
403 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
404 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
406 emit_thread_start ();
408 /* hook us up to the engine since we are now completely constructed */
410 BootMessage (_("Connect to engine"));
412 _engine.set_session (this);
413 _engine.reset_timebase ();
415 #ifdef USE_TRACKS_CODE_FEATURES
417 EngineStateController::instance()->set_session(this);
420 if ( ARDOUR::Profile->get_trx () ) {
422 /* Waves Tracks: fill session with tracks basing on the amount of inputs.
423 * each available input must have corresponding track when session starts.
426 uint32_t how_many (0);
428 std::vector<std::string> inputs;
429 EngineStateController::instance()->get_physical_audio_inputs(inputs);
431 how_many = inputs.size();
433 list<boost::shared_ptr<AudioTrack> > tracks;
435 // Track names after driver
436 if (Config->get_tracks_auto_naming() == NameAfterDriver) {
437 string track_name = "";
438 for (std::vector<string>::size_type i = 0; i < inputs.size(); ++i) {
440 track_name = inputs[i];
441 replace_all (track_name, "system:capture", "");
443 list<boost::shared_ptr<AudioTrack> > single_track = new_audio_track (1, 1, Normal, 0, 1, track_name);
444 tracks.insert(tracks.begin(), single_track.front());
446 } else { // Default track names
447 tracks = new_audio_track (1, 1, Normal, 0, how_many, string());
450 if (tracks.size() != how_many) {
452 throw failed_constructor ();
461 BootMessage (_("Session loading complete"));
473 Session::ensure_engine (uint32_t desired_sample_rate)
475 if (_engine.current_backend() == 0) {
476 /* backend is unknown ... */
477 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
478 if (r.get_value_or (-1) != 0) {
481 } else if (_engine.setup_required()) {
482 /* backend is known, but setup is needed */
483 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
484 if (r.get_value_or (-1) != 0) {
487 } else if (!_engine.running()) {
488 if (_engine.start()) {
493 /* at this point the engine should be running
496 if (!_engine.running()) {
500 return immediately_post_engine ();
505 Session::immediately_post_engine ()
507 /* Do various initializations that should take place directly after we
508 * know that the engine is running, but before we either create a
509 * session or set state for an existing one.
512 if (how_many_dsp_threads () > 1) {
513 /* For now, only create the graph if we are using >1 DSP threads, as
514 it is a bit slower than the old code with 1 thread.
516 _process_graph.reset (new Graph (*this));
519 /* every time we reconnect, recompute worst case output latencies */
521 _engine.Running.connect_same_thread (*this, boost::bind (&Session::initialize_latencies, this));
523 if (synced_to_engine()) {
524 _engine.transport_stop ();
527 if (config.get_jack_time_master()) {
528 _engine.transport_locate (_transport_frame);
532 BootMessage (_("Set up LTC"));
534 BootMessage (_("Set up Click"));
536 BootMessage (_("Set up standard connections"));
540 catch (failed_constructor& err) {
544 /* TODO, connect in different thread. (PortRegisteredOrUnregistered may be in RT context)
546 _engine.PortRegisteredOrUnregistered.connect_same_thread (*this, boost::bind (&Session::setup_bundles, this));
554 vector<void*> debug_pointers;
556 /* if we got to here, leaving pending capture state around
560 remove_pending_capture_state ();
564 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
566 /* disconnect from any and all signals that we are connected to */
570 /* shutdown control surface protocols while we still have ports
571 and the engine to move data to any devices.
574 ControlProtocolManager::instance().drop_protocols ();
576 MIDI::Name::MidiPatchManager::instance().remove_search_path(session_directory().midi_patch_path());
578 _engine.remove_session ();
580 #ifdef USE_TRACKS_CODE_FEATURES
581 EngineStateController::instance()->remove_session();
584 /* deregister all ports - there will be no process or any other
585 * callbacks from the engine any more.
588 Port::PortDrop (); /* EMIT SIGNAL */
592 /* clear history so that no references to objects are held any more */
596 /* clear state tree so that no references to objects are held any more */
601 // unregister all lua functions, drop held references (if any)
603 lua.do_command ("Session = nil");
611 lua.collect_garbage ();
613 /* reset dynamic state version back to default */
614 Stateful::loading_state_version = 0;
616 _butler->drop_references ();
620 delete _all_route_group;
622 DEBUG_TRACE (DEBUG::Destruction, "delete route groups\n");
623 for (list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
627 if (click_data != default_click) {
628 delete [] click_data;
631 if (click_emphasis_data != default_click_emphasis) {
632 delete [] click_emphasis_data;
637 /* need to remove auditioner before monitoring section
638 * otherwise it is re-connected */
641 /* drop references to routes held by the monitoring section
642 * specifically _monitor_out aux/listen references */
643 remove_monitor_section();
645 /* clear out any pending dead wood from RCU managed objects */
650 AudioDiskstream::free_working_buffers();
652 /* tell everyone who is still standing that we're about to die */
655 /* tell everyone to drop references and delete objects as we go */
657 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
658 RegionFactory::delete_all_regions ();
660 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
662 /* reset these three references to special routes before we do the usual route delete thing */
664 _master_out.reset ();
665 _monitor_out.reset ();
668 RCUWriter<RouteList> writer (routes);
669 boost::shared_ptr<RouteList> r = writer.get_copy ();
671 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
672 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
673 (*i)->drop_references ();
677 /* writer goes out of scope and updates master */
682 DEBUG_TRACE (DEBUG::Destruction, "delete sources\n");
683 Glib::Threads::Mutex::Lock lm (source_lock);
684 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
685 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for source %1 ; pre-ref = %2\n", i->second->name(), i->second.use_count()));
686 i->second->drop_references ();
692 /* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
695 emit_thread_terminate ();
697 pthread_cond_destroy (&_rt_emit_cond);
698 pthread_mutex_destroy (&_rt_emit_mutex);
700 delete _scene_changer; _scene_changer = 0;
701 delete midi_control_ui; midi_control_ui = 0;
703 delete _mmc; _mmc = 0;
704 delete _midi_ports; _midi_ports = 0;
705 delete _locations; _locations = 0;
709 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
711 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
712 boost_debug_list_ptrs ();
717 Session::setup_ltc ()
721 _ltc_input.reset (new IO (*this, X_("LTC In"), IO::Input));
722 _ltc_output.reset (new IO (*this, X_("LTC Out"), IO::Output));
724 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC In"))) != 0) {
725 _ltc_input->set_state (*(child->children().front()), Stateful::loading_state_version);
728 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
729 _ltc_input->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
731 reconnect_ltc_input ();
734 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC Out"))) != 0) {
735 _ltc_output->set_state (*(child->children().front()), Stateful::loading_state_version);
738 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
739 _ltc_output->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
741 reconnect_ltc_output ();
744 /* fix up names of LTC ports because we don't want the normal
745 * IO style of NAME/TYPE-{in,out}N
748 _ltc_input->nth (0)->set_name (X_("LTC-in"));
749 _ltc_output->nth (0)->set_name (X_("LTC-out"));
753 Session::setup_click ()
757 boost::shared_ptr<AutomationList> gl (new AutomationList (Evoral::Parameter (GainAutomation)));
758 boost::shared_ptr<GainControl> gain_control = boost::shared_ptr<GainControl> (new GainControl (*this, Evoral::Parameter(GainAutomation), gl));
760 _click_io.reset (new ClickIO (*this, X_("Click")));
761 _click_gain.reset (new Amp (*this, _("Fader"), gain_control, true));
762 _click_gain->activate ();
764 setup_click_state (state_tree->root());
766 setup_click_state (0);
771 Session::setup_click_state (const XMLNode* node)
773 const XMLNode* child = 0;
775 if (node && (child = find_named_node (*node, "Click")) != 0) {
777 /* existing state for Click */
780 if (Stateful::loading_state_version < 3000) {
781 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
783 const XMLNodeList& children (child->children());
784 XMLNodeList::const_iterator i = children.begin();
785 if ((c = _click_io->set_state (**i, Stateful::loading_state_version)) == 0) {
787 if (i != children.end()) {
788 c = _click_gain->set_state (**i, Stateful::loading_state_version);
794 _clicking = Config->get_clicking ();
798 error << _("could not setup Click I/O") << endmsg;
805 /* default state for Click: dual-mono to first 2 physical outputs */
808 _engine.get_physical_outputs (DataType::AUDIO, outs);
810 for (uint32_t physport = 0; physport < 2; ++physport) {
811 if (outs.size() > physport) {
812 if (_click_io->add_port (outs[physport], this)) {
813 // relax, even though its an error
818 if (_click_io->n_ports () > ChanCount::ZERO) {
819 _clicking = Config->get_clicking ();
825 Session::setup_bundles ()
829 RCUWriter<BundleList> writer (_bundles);
830 boost::shared_ptr<BundleList> b = writer.get_copy ();
831 for (BundleList::iterator i = b->begin(); i != b->end();) {
832 if (boost::dynamic_pointer_cast<UserBundle>(*i)) {
840 vector<string> inputs[DataType::num_types];
841 vector<string> outputs[DataType::num_types];
842 for (uint32_t i = 0; i < DataType::num_types; ++i) {
843 _engine.get_physical_inputs (DataType (DataType::Symbol (i)), inputs[i]);
844 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
847 /* Create a set of Bundle objects that map
848 to the physical I/O currently available. We create both
849 mono and stereo bundles, so that the common cases of mono
850 and stereo tracks get bundles to put in their mixer strip
851 in / out menus. There may be a nicer way of achieving that;
852 it doesn't really scale that well to higher channel counts
855 /* mono output bundles */
857 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
859 std::string pn = _engine.get_pretty_name_by_name (outputs[DataType::AUDIO][np]);
861 snprintf (buf, sizeof (buf), _("out %s"), pn.c_str());
863 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
866 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
867 c->add_channel (_("mono"), DataType::AUDIO);
868 c->set_port (0, outputs[DataType::AUDIO][np]);
870 add_bundle (c, false);
873 /* stereo output bundles */
875 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
876 if (np + 1 < outputs[DataType::AUDIO].size()) {
878 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
879 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
880 c->add_channel (_("L"), DataType::AUDIO);
881 c->set_port (0, outputs[DataType::AUDIO][np]);
882 c->add_channel (_("R"), DataType::AUDIO);
883 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
885 add_bundle (c, false);
889 /* mono input bundles */
891 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
893 std::string pn = _engine.get_pretty_name_by_name (inputs[DataType::AUDIO][np]);
895 snprintf (buf, sizeof (buf), _("in %s"), pn.c_str());
897 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
900 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
901 c->add_channel (_("mono"), DataType::AUDIO);
902 c->set_port (0, inputs[DataType::AUDIO][np]);
904 add_bundle (c, false);
907 /* stereo input bundles */
909 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
910 if (np + 1 < inputs[DataType::AUDIO].size()) {
912 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
914 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
915 c->add_channel (_("L"), DataType::AUDIO);
916 c->set_port (0, inputs[DataType::AUDIO][np]);
917 c->add_channel (_("R"), DataType::AUDIO);
918 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
920 add_bundle (c, false);
924 /* MIDI input bundles */
926 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
927 string n = inputs[DataType::MIDI][np];
928 std::string pn = _engine.get_pretty_name_by_name (n);
932 boost::erase_first (n, X_("alsa_pcm:"));
934 boost::shared_ptr<Bundle> c (new Bundle (n, false));
935 c->add_channel ("", DataType::MIDI);
936 c->set_port (0, inputs[DataType::MIDI][np]);
937 add_bundle (c, false);
940 /* MIDI output bundles */
942 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
943 string n = outputs[DataType::MIDI][np];
944 std::string pn = _engine.get_pretty_name_by_name (n);
948 boost::erase_first (n, X_("alsa_pcm:"));
950 boost::shared_ptr<Bundle> c (new Bundle (n, true));
951 c->add_channel ("", DataType::MIDI);
952 c->set_port (0, outputs[DataType::MIDI][np]);
953 add_bundle (c, false);
956 // we trust the backend to only calls us if there's a change
957 BundleAddedOrRemoved (); /* EMIT SIGNAL */
961 Session::auto_connect_master_bus ()
963 if (!_master_out || !Config->get_auto_connect_standard_busses() || _monitor_out) {
967 // Waves Tracks: Do not connect master bas for Tracks if AutoConnectMaster option is not set
968 // In this case it means "Multi Out" output mode
969 if (ARDOUR::Profile->get_trx() && !(Config->get_output_auto_connect() & AutoConnectMaster) ) {
973 /* if requested auto-connect the outputs to the first N physical ports.
976 uint32_t limit = _master_out->n_outputs().n_total();
977 vector<string> outputs[DataType::num_types];
979 for (uint32_t i = 0; i < DataType::num_types; ++i) {
980 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
983 for (uint32_t n = 0; n < limit; ++n) {
984 boost::shared_ptr<Port> p = _master_out->output()->nth (n);
986 if (outputs[p->type()].size() > n) {
987 connect_to = outputs[p->type()][n];
990 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
991 if (_master_out->output()->connect (p, connect_to, this)) {
992 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
1001 Session::remove_monitor_section ()
1003 if (!_monitor_out || Profile->get_trx()) {
1007 /* force reversion to Solo-In-Place */
1008 Config->set_solo_control_is_listen_control (false);
1010 /* if we are auditioning, cancel it ... this is a workaround
1011 to a problem (auditioning does not execute the process graph,
1012 which is needed to remove routes when using >1 core for processing)
1017 /* Hold process lock while doing this so that we don't hear bits and
1018 * pieces of audio as we work on each route.
1021 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1023 /* Connect tracks to monitor section. Note that in an
1024 existing session, the internal sends will already exist, but we want the
1025 routes to notice that they connect to the control out specifically.
1029 boost::shared_ptr<RouteList> r = routes.reader ();
1030 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1032 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
1034 if ((*x)->is_monitor()) {
1036 } else if ((*x)->is_master()) {
1039 (*x)->remove_aux_or_listen (_monitor_out);
1044 remove_route (_monitor_out);
1045 auto_connect_master_bus ();
1048 auditioner->connect ();
1050 Config->ParameterChanged ("use-monitor-bus");
1054 Session::add_monitor_section ()
1058 if (_monitor_out || !_master_out || Profile->get_trx()) {
1062 boost::shared_ptr<Route> r (new Route (*this, _("Monitor"), Route::MonitorOut, DataType::AUDIO));
1068 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1069 // boost_debug_shared_ptr_mark_interesting (r.get(), "Route");
1072 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1073 r->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1074 r->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1076 error << _("Cannot create monitor section. 'Monitor' Port name is not unique.") << endmsg;
1081 add_routes (rl, false, false, false);
1083 assert (_monitor_out);
1085 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
1086 are undefined, at best.
1089 uint32_t limit = _monitor_out->n_inputs().n_audio();
1093 /* connect the inputs to the master bus outputs. this
1094 * represents a separate data feed from the internal sends from
1095 * each route. as of jan 2011, it allows the monitor section to
1096 * conditionally ignore either the internal sends or the normal
1097 * input feed, but we should really find a better way to do
1101 _master_out->output()->disconnect (this);
1103 for (uint32_t n = 0; n < limit; ++n) {
1104 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1105 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1108 string connect_to = o->name();
1109 if (_monitor_out->input()->connect (p, connect_to, this)) {
1110 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1118 /* if monitor section is not connected, connect it to physical outs
1121 if (Config->get_auto_connect_standard_busses() && !_monitor_out->output()->connected ()) {
1123 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1125 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1128 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1130 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1131 Config->get_monitor_bus_preferred_bundle())
1137 /* Monitor bus is audio only */
1139 vector<string> outputs[DataType::num_types];
1141 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1142 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1145 uint32_t mod = outputs[DataType::AUDIO].size();
1146 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1150 for (uint32_t n = 0; n < limit; ++n) {
1152 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1154 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1155 connect_to = outputs[DataType::AUDIO][n % mod];
1158 if (!connect_to.empty()) {
1159 if (_monitor_out->output()->connect (p, connect_to, this)) {
1160 error << string_compose (
1161 _("cannot connect control output %1 to %2"),
1172 /* Hold process lock while doing this so that we don't hear bits and
1173 * pieces of audio as we work on each route.
1176 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1178 /* Connect tracks to monitor section. Note that in an
1179 existing session, the internal sends will already exist, but we want the
1180 routes to notice that they connect to the control out specifically.
1184 boost::shared_ptr<RouteList> rls = routes.reader ();
1186 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1188 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1190 if ((*x)->is_monitor()) {
1192 } else if ((*x)->is_master()) {
1195 (*x)->enable_monitor_send ();
1200 auditioner->connect ();
1202 Config->ParameterChanged ("use-monitor-bus");
1206 Session::reset_monitor_section ()
1208 /* Process lock should be held by the caller.*/
1210 if (!_monitor_out || Profile->get_trx()) {
1214 uint32_t limit = _master_out->n_outputs().n_audio();
1216 /* connect the inputs to the master bus outputs. this
1217 * represents a separate data feed from the internal sends from
1218 * each route. as of jan 2011, it allows the monitor section to
1219 * conditionally ignore either the internal sends or the normal
1220 * input feed, but we should really find a better way to do
1224 _master_out->output()->disconnect (this);
1225 _monitor_out->output()->disconnect (this);
1227 _monitor_out->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1228 _monitor_out->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1230 for (uint32_t n = 0; n < limit; ++n) {
1231 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1232 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1235 string connect_to = o->name();
1236 if (_monitor_out->input()->connect (p, connect_to, this)) {
1237 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1244 /* connect monitor section to physical outs
1247 if (Config->get_auto_connect_standard_busses()) {
1249 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1251 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1254 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1256 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1257 Config->get_monitor_bus_preferred_bundle())
1263 /* Monitor bus is audio only */
1265 vector<string> outputs[DataType::num_types];
1267 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1268 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1271 uint32_t mod = outputs[DataType::AUDIO].size();
1272 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1276 for (uint32_t n = 0; n < limit; ++n) {
1278 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1280 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1281 connect_to = outputs[DataType::AUDIO][n % mod];
1284 if (!connect_to.empty()) {
1285 if (_monitor_out->output()->connect (p, connect_to, this)) {
1286 error << string_compose (
1287 _("cannot connect control output %1 to %2"),
1298 /* Connect tracks to monitor section. Note that in an
1299 existing session, the internal sends will already exist, but we want the
1300 routes to notice that they connect to the control out specifically.
1304 boost::shared_ptr<RouteList> rls = routes.reader ();
1306 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1308 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1310 if ((*x)->is_monitor()) {
1312 } else if ((*x)->is_master()) {
1315 (*x)->enable_monitor_send ();
1321 Session::hookup_io ()
1323 /* stop graph reordering notifications from
1324 causing resorts, etc.
1327 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
1331 /* we delay creating the auditioner till now because
1332 it makes its own connections to ports.
1336 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
1338 throw failed_constructor ();
1340 a->use_new_diskstream ();
1344 catch (failed_constructor& err) {
1345 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
1349 /* load bundles, which we may have postponed earlier on */
1350 if (_bundle_xml_node) {
1351 load_bundles (*_bundle_xml_node);
1352 delete _bundle_xml_node;
1355 /* Tell all IO objects to connect themselves together */
1357 IO::enable_connecting ();
1359 /* Now tell all "floating" ports to connect to whatever
1360 they should be connected to.
1363 AudioEngine::instance()->reconnect_ports ();
1365 /* Anyone who cares about input state, wake up and do something */
1367 IOConnectionsComplete (); /* EMIT SIGNAL */
1369 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
1371 /* now handle the whole enchilada as if it was one
1372 graph reorder event.
1377 /* update the full solo state, which can't be
1378 correctly determined on a per-route basis, but
1379 needs the global overview that only the session
1383 update_route_solo_state ();
1387 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
1389 boost::shared_ptr<Track> track = wp.lock ();
1394 boost::shared_ptr<Playlist> playlist;
1396 if ((playlist = track->playlist()) != 0) {
1397 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
1398 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
1399 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
1404 Session::record_enabling_legal () const
1406 /* this used to be in here, but survey says.... we don't need to restrict it */
1407 // if (record_status() == Recording) {
1411 if (Config->get_all_safe()) {
1418 Session::set_track_monitor_input_status (bool yn)
1420 boost::shared_ptr<RouteList> rl = routes.reader ();
1421 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1422 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
1423 if (tr && tr->record_enabled ()) {
1424 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
1425 tr->request_input_monitoring (yn);
1431 Session::auto_punch_start_changed (Location* location)
1433 replace_event (SessionEvent::PunchIn, location->start());
1435 if (get_record_enabled() && config.get_punch_in()) {
1436 /* capture start has been changed, so save new pending state */
1437 save_state ("", true);
1442 Session::auto_punch_end_changed (Location* location)
1444 framepos_t when_to_stop = location->end();
1445 // when_to_stop += _worst_output_latency + _worst_input_latency;
1446 replace_event (SessionEvent::PunchOut, when_to_stop);
1450 Session::auto_punch_changed (Location* location)
1452 framepos_t when_to_stop = location->end();
1454 replace_event (SessionEvent::PunchIn, location->start());
1455 //when_to_stop += _worst_output_latency + _worst_input_latency;
1456 replace_event (SessionEvent::PunchOut, when_to_stop);
1459 /** @param loc A loop location.
1460 * @param pos Filled in with the start time of the required fade-out (in session frames).
1461 * @param length Filled in with the length of the required fade-out.
1464 Session::auto_loop_declick_range (Location* loc, framepos_t & pos, framepos_t & length)
1466 pos = max (loc->start(), loc->end() - 64);
1467 length = loc->end() - pos;
1471 Session::auto_loop_changed (Location* location)
1473 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
1476 auto_loop_declick_range (location, dcp, dcl);
1478 if (transport_rolling() && play_loop) {
1480 replace_event (SessionEvent::AutoLoopDeclick, dcp, dcl);
1482 // if (_transport_frame > location->end()) {
1484 if (_transport_frame < location->start() || _transport_frame > location->end()) {
1485 // relocate to beginning of loop
1486 clear_events (SessionEvent::LocateRoll);
1488 request_locate (location->start(), true);
1491 else if (Config->get_seamless_loop() && !loop_changing) {
1493 // schedule a locate-roll to refill the diskstreams at the
1494 // previous loop end
1495 loop_changing = true;
1497 if (location->end() > last_loopend) {
1498 clear_events (SessionEvent::LocateRoll);
1499 SessionEvent *ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, last_loopend, last_loopend, 0, true);
1505 clear_events (SessionEvent::AutoLoopDeclick);
1506 clear_events (SessionEvent::AutoLoop);
1509 /* possibly move playhead if not rolling; if we are rolling we'll move
1510 to the loop start on stop if that is appropriate.
1515 if (!transport_rolling() && select_playhead_priority_target (pos)) {
1516 if (pos == location->start()) {
1517 request_locate (pos);
1522 last_loopend = location->end();
1527 Session::set_auto_punch_location (Location* location)
1531 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
1532 punch_connections.drop_connections();
1533 existing->set_auto_punch (false, this);
1534 remove_event (existing->start(), SessionEvent::PunchIn);
1535 clear_events (SessionEvent::PunchOut);
1536 auto_punch_location_changed (0);
1541 if (location == 0) {
1545 if (location->end() <= location->start()) {
1546 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1550 punch_connections.drop_connections ();
1552 location->StartChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, location));
1553 location->EndChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, location));
1554 location->Changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, location));
1556 location->set_auto_punch (true, this);
1558 auto_punch_changed (location);
1560 auto_punch_location_changed (location);
1564 Session::set_session_extents (framepos_t start, framepos_t end)
1567 if ((existing = _locations->session_range_location()) == 0) {
1568 //if there is no existing session, we need to make a new session location (should never happen)
1569 existing = new Location (*this, 0, 0, _("session"), Location::IsSessionRange);
1573 error << _("Session: you can't use that location for session start/end)") << endmsg;
1577 existing->set( start, end );
1583 Session::set_auto_loop_location (Location* location)
1587 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
1588 loop_connections.drop_connections ();
1589 existing->set_auto_loop (false, this);
1590 remove_event (existing->end(), SessionEvent::AutoLoop);
1593 auto_loop_declick_range (existing, dcp, dcl);
1594 remove_event (dcp, SessionEvent::AutoLoopDeclick);
1595 auto_loop_location_changed (0);
1600 if (location == 0) {
1604 if (location->end() <= location->start()) {
1605 error << _("You cannot use this location for auto-loop because it has zero or negative length") << endmsg;
1609 last_loopend = location->end();
1611 loop_connections.drop_connections ();
1613 location->StartChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1614 location->EndChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1615 location->Changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1616 location->FlagsChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1618 location->set_auto_loop (true, this);
1620 if (Config->get_loop_is_mode() && play_loop && Config->get_seamless_loop()) {
1621 // set all tracks to use internal looping
1622 boost::shared_ptr<RouteList> rl = routes.reader ();
1623 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1624 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1625 if (tr && !tr->hidden()) {
1626 tr->set_loop (location);
1631 /* take care of our stuff first */
1633 auto_loop_changed (location);
1635 /* now tell everyone else */
1637 auto_loop_location_changed (location);
1641 Session::update_marks (Location*)
1647 Session::update_skips (Location* loc, bool consolidate)
1649 if (_ignore_skips_updates) {
1653 Locations::LocationList skips;
1656 PBD::Unwinder<bool> uw (_ignore_skips_updates, true);
1657 consolidate_skips (loc);
1660 sync_locations_to_skips ();
1666 Session::consolidate_skips (Location* loc)
1668 Locations::LocationList all_locations = _locations->list ();
1670 for (Locations::LocationList::iterator l = all_locations.begin(); l != all_locations.end(); ) {
1672 if (!(*l)->is_skip ()) {
1677 /* don't test against self */
1684 switch (Evoral::coverage ((*l)->start(), (*l)->end(), loc->start(), loc->end())) {
1685 case Evoral::OverlapInternal:
1686 case Evoral::OverlapExternal:
1687 case Evoral::OverlapStart:
1688 case Evoral::OverlapEnd:
1689 /* adjust new location to cover existing one */
1690 loc->set_start (min (loc->start(), (*l)->start()));
1691 loc->set_end (max (loc->end(), (*l)->end()));
1692 /* we don't need this one any more */
1693 _locations->remove (*l);
1694 /* the location has been deleted, so remove reference to it in our local list */
1695 l = all_locations.erase (l);
1698 case Evoral::OverlapNone:
1706 Session::sync_locations_to_skips ()
1708 /* This happens asynchronously (in the audioengine thread). After the clear is done, we will call
1709 * Session::_sync_locations_to_skips() from the audioengine thread.
1711 clear_events (SessionEvent::Skip, boost::bind (&Session::_sync_locations_to_skips, this));
1715 Session::_sync_locations_to_skips ()
1717 /* called as a callback after existing Skip events have been cleared from a realtime audioengine thread */
1719 Locations::LocationList const & locs (_locations->list());
1721 for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
1723 Location* location = *i;
1725 if (location->is_skip() && location->is_skipping()) {
1726 SessionEvent* ev = new SessionEvent (SessionEvent::Skip, SessionEvent::Add, location->start(), location->end(), 1.0);
1734 Session::location_added (Location *location)
1736 if (location->is_auto_punch()) {
1737 set_auto_punch_location (location);
1740 if (location->is_auto_loop()) {
1741 set_auto_loop_location (location);
1744 if (location->is_session_range()) {
1745 /* no need for any signal handling or event setting with the session range,
1746 because we keep a direct reference to it and use its start/end directly.
1748 _session_range_location = location;
1751 if (location->is_mark()) {
1752 /* listen for per-location signals that require us to do any * global updates for marks */
1754 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1755 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1756 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1757 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1760 if (location->is_skip()) {
1761 /* listen for per-location signals that require us to update skip-locate events */
1763 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1764 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1765 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1766 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, false));
1768 update_skips (location, true);
1775 Session::location_removed (Location *location)
1777 if (location->is_auto_loop()) {
1778 set_auto_loop_location (0);
1779 set_track_loop (false);
1782 if (location->is_auto_punch()) {
1783 set_auto_punch_location (0);
1786 if (location->is_session_range()) {
1787 /* this is never supposed to happen */
1788 error << _("programming error: session range removed!") << endl;
1791 if (location->is_skip()) {
1793 update_skips (location, false);
1800 Session::locations_changed ()
1802 _locations->apply (*this, &Session::_locations_changed);
1806 Session::_locations_changed (const Locations::LocationList& locations)
1808 /* There was some mass-change in the Locations object.
1810 We might be re-adding a location here but it doesn't actually matter
1811 for all the locations that the Session takes an interest in.
1815 PBD::Unwinder<bool> protect_ignore_skip_updates (_ignore_skips_updates, true);
1816 for (Locations::LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
1817 location_added (*i);
1821 update_skips (NULL, false);
1825 Session::enable_record ()
1827 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
1828 /* no recording at anything except normal speed */
1833 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
1835 if (rs == Recording) {
1839 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
1841 _last_record_location = _transport_frame;
1842 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
1844 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1845 set_track_monitor_input_status (true);
1848 RecordStateChanged ();
1855 Session::set_all_tracks_record_enabled (bool enable )
1857 boost::shared_ptr<RouteList> rl = routes.reader();
1858 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1859 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1861 tr->set_record_enabled (enable, Controllable::NoGroup);
1868 Session::disable_record (bool rt_context, bool force)
1872 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1874 if (!Config->get_latched_record_enable () || force) {
1875 g_atomic_int_set (&_record_status, Disabled);
1876 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
1878 if (rs == Recording) {
1879 g_atomic_int_set (&_record_status, Enabled);
1883 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1884 set_track_monitor_input_status (false);
1887 RecordStateChanged (); /* emit signal */
1890 remove_pending_capture_state ();
1896 Session::step_back_from_record ()
1898 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
1900 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1901 set_track_monitor_input_status (false);
1904 RecordStateChanged (); /* emit signal */
1909 Session::maybe_enable_record ()
1911 if (_step_editors > 0) {
1915 g_atomic_int_set (&_record_status, Enabled);
1917 /* This function is currently called from somewhere other than an RT thread.
1918 This save_state() call therefore doesn't impact anything. Doing it here
1919 means that we save pending state of which sources the next record will use,
1920 which gives us some chance of recovering from a crash during the record.
1923 save_state ("", true);
1925 if (_transport_speed) {
1926 if (!config.get_punch_in()) {
1930 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
1931 RecordStateChanged (); /* EMIT SIGNAL */
1938 Session::audible_frame () const
1944 offset = worst_playback_latency ();
1946 if (synced_to_engine()) {
1947 /* Note: this is basically just sync-to-JACK */
1948 tf = _engine.transport_frame();
1950 tf = _transport_frame;
1955 if (!non_realtime_work_pending()) {
1959 /* Check to see if we have passed the first guaranteed
1960 audible frame past our last start position. if not,
1961 return that last start point because in terms
1962 of audible frames, we have not moved yet.
1964 `Start position' in this context means the time we last
1965 either started, located, or changed transport direction.
1968 if (_transport_speed > 0.0f) {
1970 if (!play_loop || !have_looped) {
1971 if (tf < _last_roll_or_reversal_location + offset) {
1972 return _last_roll_or_reversal_location;
1980 } else if (_transport_speed < 0.0f) {
1982 /* XXX wot? no backward looping? */
1984 if (tf > _last_roll_or_reversal_location - offset) {
1985 return _last_roll_or_reversal_location;
1997 Session::set_frame_rate (framecnt_t frames_per_second)
1999 /** \fn void Session::set_frame_size(framecnt_t)
2000 the AudioEngine object that calls this guarantees
2001 that it will not be called while we are also in
2002 ::process(). Its fine to do things that block
2006 _base_frame_rate = frames_per_second;
2007 _nominal_frame_rate = frames_per_second;
2012 reset_write_sources (false);
2014 // XXX we need some equivalent to this, somehow
2015 // SndFileSource::setup_standard_crossfades (frames_per_second);
2019 /* XXX need to reset/reinstantiate all LADSPA plugins */
2023 Session::set_block_size (pframes_t nframes)
2025 /* the AudioEngine guarantees
2026 that it will not be called while we are also in
2027 ::process(). It is therefore fine to do things that block
2032 current_block_size = nframes;
2036 boost::shared_ptr<RouteList> r = routes.reader ();
2038 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2039 (*i)->set_block_size (nframes);
2042 boost::shared_ptr<RouteList> rl = routes.reader ();
2043 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2044 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2046 tr->set_block_size (nframes);
2050 set_worst_io_latencies ();
2056 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
2058 boost::shared_ptr<Route> r2;
2060 if (r1->feeds (rbase) && rbase->feeds (r1)) {
2061 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
2065 /* make a copy of the existing list of routes that feed r1 */
2067 Route::FedBy existing (r1->fed_by());
2069 /* for each route that feeds r1, recurse, marking it as feeding
2073 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
2074 if (!(r2 = i->r.lock ())) {
2075 /* (*i) went away, ignore it */
2079 /* r2 is a route that feeds r1 which somehow feeds base. mark
2080 base as being fed by r2
2083 rbase->add_fed_by (r2, i->sends_only);
2087 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
2091 if (r1->feeds (r2) && r2->feeds (r1)) {
2095 /* now recurse, so that we can mark base as being fed by
2096 all routes that feed r2
2099 trace_terminal (r2, rbase);
2106 Session::resort_routes ()
2108 /* don't do anything here with signals emitted
2109 by Routes during initial setup or while we
2110 are being destroyed.
2113 if (_state_of_the_state & (InitialConnecting | Deletion)) {
2117 if (_route_deletion_in_progress) {
2122 RCUWriter<RouteList> writer (routes);
2123 boost::shared_ptr<RouteList> r = writer.get_copy ();
2124 resort_routes_using (r);
2125 /* writer goes out of scope and forces update */
2129 boost::shared_ptr<RouteList> rl = routes.reader ();
2130 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2131 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
2133 const Route::FedBy& fb ((*i)->fed_by());
2135 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
2136 boost::shared_ptr<Route> sf = f->r.lock();
2138 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
2146 /** This is called whenever we need to rebuild the graph of how we will process
2148 * @param r List of routes, in any order.
2152 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
2154 /* We are going to build a directed graph of our routes;
2155 this is where the edges of that graph are put.
2160 /* Go through all routes doing two things:
2162 * 1. Collect the edges of the route graph. Each of these edges
2163 * is a pair of routes, one of which directly feeds the other
2164 * either by a JACK connection or by an internal send.
2166 * 2. Begin the process of making routes aware of which other
2167 * routes directly or indirectly feed them. This information
2168 * is used by the solo code.
2171 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2173 /* Clear out the route's list of direct or indirect feeds */
2174 (*i)->clear_fed_by ();
2176 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
2178 bool via_sends_only;
2180 /* See if this *j feeds *i according to the current state of the JACK
2181 connections and internal sends.
2183 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
2184 /* add the edge to the graph (part #1) */
2185 edges.add (*j, *i, via_sends_only);
2186 /* tell the route (for part #2) */
2187 (*i)->add_fed_by (*j, via_sends_only);
2192 /* Attempt a topological sort of the route graph */
2193 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
2195 if (sorted_routes) {
2196 /* We got a satisfactory topological sort, so there is no feedback;
2199 Note: the process graph rechain does not require a
2200 topologically-sorted list, but hey ho.
2202 if (_process_graph) {
2203 _process_graph->rechain (sorted_routes, edges);
2206 _current_route_graph = edges;
2208 /* Complete the building of the routes' lists of what directly
2209 or indirectly feeds them.
2211 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2212 trace_terminal (*i, *i);
2215 *r = *sorted_routes;
2218 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
2219 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2220 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 signal order %2\n",
2221 (*i)->name(), (*i)->order_key ()));
2225 SuccessfulGraphSort (); /* EMIT SIGNAL */
2228 /* The topological sort failed, so we have a problem. Tell everyone
2229 and stick to the old graph; this will continue to be processed, so
2230 until the feedback is fixed, what is played back will not quite
2231 reflect what is actually connected. Note also that we do not
2232 do trace_terminal here, as it would fail due to an endless recursion,
2233 so the solo code will think that everything is still connected
2237 FeedbackDetected (); /* EMIT SIGNAL */
2242 /** Find a route name starting with \a base, maybe followed by the
2243 * lowest \a id. \a id will always be added if \a definitely_add_number
2244 * is true on entry; otherwise it will only be added if required
2245 * to make the name unique.
2247 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
2248 * The available route name with the lowest ID will be used, and \a id
2249 * will be set to the ID.
2251 * \return false if a route name could not be found, and \a track_name
2252 * and \a id do not reflect a free route name.
2255 Session::find_route_name (string const & base, uint32_t& id, string& name, bool definitely_add_number)
2257 /* the base may conflict with ports that do not belong to existing
2258 routes, but hidden objects like the click track. So check port names
2259 before anything else.
2262 for (vector<string>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
2263 if (base == *reserved) {
2264 /* Check if this reserved name already exists, and if
2265 so, disallow it without a numeric suffix.
2267 if (route_by_name (*reserved)) {
2268 definitely_add_number = true;
2277 if (!definitely_add_number && route_by_name (base) == 0) {
2278 /* juse use the base */
2284 name = string_compose ("%1 %2", base, id);
2286 if (route_by_name (name) == 0) {
2292 } while (id < (UINT_MAX-1));
2297 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
2299 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
2301 in = ChanCount::ZERO;
2302 out = ChanCount::ZERO;
2304 boost::shared_ptr<RouteList> r = routes.reader ();
2306 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2307 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2308 if (tr && !tr->is_auditioner()) {
2309 in += tr->n_inputs();
2310 out += tr->n_outputs();
2316 Session::default_track_name_pattern (DataType t)
2319 case DataType::AUDIO:
2320 if (Profile->get_trx()) {
2327 case DataType::MIDI:
2334 /** Caller must not hold process lock
2335 * @param name_template string to use for the start of the name, or "" to use "MIDI".
2336 * @param instrument plugin info for the instrument to insert pre-fader, if any
2338 list<boost::shared_ptr<MidiTrack> >
2339 Session::new_midi_track (const ChanCount& input, const ChanCount& output, boost::shared_ptr<PluginInfo> instrument,
2340 TrackMode mode, RouteGroup* route_group, uint32_t how_many, string name_template)
2343 uint32_t track_id = 0;
2345 RouteList new_routes;
2346 list<boost::shared_ptr<MidiTrack> > ret;
2348 const string name_pattern = default_track_name_pattern (DataType::MIDI);
2349 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2352 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, use_number)) {
2353 error << "cannot find name for new midi track" << endmsg;
2357 boost::shared_ptr<MidiTrack> track;
2360 track.reset (new MidiTrack (*this, track_name, Route::Flag (0), mode));
2362 if (track->init ()) {
2366 track->use_new_diskstream();
2368 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2369 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
2372 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2373 if (track->input()->ensure_io (input, false, this)) {
2374 error << "cannot configure " << input << " out configuration for new midi track" << endmsg;
2378 if (track->output()->ensure_io (output, false, this)) {
2379 error << "cannot configure " << output << " out configuration for new midi track" << endmsg;
2384 track->non_realtime_input_change();
2387 route_group->add (track);
2390 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
2392 if (Config->get_remote_model() == UserOrdered) {
2393 track->set_remote_control_id (next_control_id());
2396 new_routes.push_back (track);
2397 ret.push_back (track);
2399 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2402 catch (failed_constructor &err) {
2403 error << _("Session: could not create new midi track.") << endmsg;
2407 catch (AudioEngine::PortRegistrationFailure& pfe) {
2409 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;
2417 if (!new_routes.empty()) {
2418 StateProtector sp (this);
2419 if (Profile->get_trx()) {
2420 add_routes (new_routes, false, false, false);
2422 add_routes (new_routes, true, true, false);
2426 for (RouteList::iterator r = new_routes.begin(); r != new_routes.end(); ++r) {
2427 PluginPtr plugin = instrument->load (*this);
2428 boost::shared_ptr<Processor> p (new PluginInsert (*this, plugin));
2429 (*r)->add_processor (p, PreFader);
2439 Session::new_midi_route (RouteGroup* route_group, uint32_t how_many, string name_template, boost::shared_ptr<PluginInfo> instrument)
2442 uint32_t bus_id = 0;
2446 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Midi Bus");
2449 if (!find_route_name (name_template.empty () ? _("Midi Bus") : name_template, ++bus_id, bus_name, use_number)) {
2450 error << "cannot find name for new midi bus" << endmsg;
2455 boost::shared_ptr<Route> bus (new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO)); // XXX Editor::add_routes is not ready for ARDOUR::DataType::MIDI
2461 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2462 // boost_debug_shared_ptr_mark_interesting (bus.get(), "Route");
2465 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2467 if (bus->input()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2468 error << _("cannot configure new midi bus input") << endmsg;
2473 if (bus->output()->ensure_io (ChanCount(DataType::MIDI, 1), false, this)) {
2474 error << _("cannot configure new midi bus output") << endmsg;
2480 route_group->add (bus);
2482 if (Config->get_remote_model() == UserOrdered) {
2483 bus->set_remote_control_id (next_control_id());
2486 ret.push_back (bus);
2487 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2491 catch (failed_constructor &err) {
2492 error << _("Session: could not create new audio route.") << endmsg;
2496 catch (AudioEngine::PortRegistrationFailure& pfe) {
2497 error << pfe.what() << endmsg;
2507 StateProtector sp (this);
2508 add_routes (ret, false, false, false);
2511 for (RouteList::iterator r = ret.begin(); r != ret.end(); ++r) {
2512 PluginPtr plugin = instrument->load (*this);
2513 boost::shared_ptr<Processor> p (new PluginInsert (*this, plugin));
2514 (*r)->add_processor (p, PreFader);
2525 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
2527 boost::shared_ptr<Route> midi_track (wmt.lock());
2533 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
2535 if (change.after.n_audio() <= change.before.n_audio()) {
2539 /* new audio ports: make sure the audio goes somewhere useful,
2540 unless the user has no-auto-connect selected.
2542 The existing ChanCounts don't matter for this call as they are only
2543 to do with matching input and output indices, and we are only changing
2549 auto_connect_route (midi_track, dummy, dummy, false, false, ChanCount(), change.before);
2553 /** @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
2554 * @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
2555 * @param output_start As \a input_start, but for outputs.
2558 Session::auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
2559 bool with_lock, bool connect_inputs, ChanCount input_start, ChanCount output_start)
2561 if (!IO::connecting_legal) {
2565 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2571 /* If both inputs and outputs are auto-connected to physical ports,
2572 use the max of input and output offsets to ensure auto-connected
2573 port numbers always match up (e.g. the first audio input and the
2574 first audio output of the route will have the same physical
2575 port number). Otherwise just use the lowest input or output
2579 DEBUG_TRACE (DEBUG::Graph,
2580 string_compose("Auto-connect: existing in = %1 out = %2\n",
2581 existing_inputs, existing_outputs));
2583 const bool in_out_physical =
2584 (Config->get_input_auto_connect() & AutoConnectPhysical)
2585 && (Config->get_output_auto_connect() & AutoConnectPhysical)
2588 const ChanCount in_offset = in_out_physical
2589 ? ChanCount::max(existing_inputs, existing_outputs)
2592 const ChanCount out_offset = in_out_physical
2593 ? ChanCount::max(existing_inputs, existing_outputs)
2596 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
2597 vector<string> physinputs;
2598 vector<string> physoutputs;
2600 _engine.get_physical_outputs (*t, physoutputs);
2601 _engine.get_physical_inputs (*t, physinputs);
2603 if (!physinputs.empty() && connect_inputs) {
2604 uint32_t nphysical_in = physinputs.size();
2606 DEBUG_TRACE (DEBUG::Graph,
2607 string_compose("There are %1 physical inputs of type %2\n",
2610 for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
2613 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
2614 DEBUG_TRACE (DEBUG::Graph,
2615 string_compose("Get index %1 + %2 % %3 = %4\n",
2616 in_offset.get(*t), i, nphysical_in,
2617 (in_offset.get(*t) + i) % nphysical_in));
2618 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
2621 DEBUG_TRACE (DEBUG::Graph,
2622 string_compose("Connect route %1 IN to %2\n",
2623 route->name(), port));
2625 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
2629 ChanCount one_added (*t, 1);
2630 existing_inputs += one_added;
2634 if (!physoutputs.empty()) {
2635 uint32_t nphysical_out = physoutputs.size();
2636 for (uint32_t i = output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
2640 * do not create new connections if we reached the limit of physical outputs
2644 if (!(Config->get_output_auto_connect() & AutoConnectMaster) &&
2645 ARDOUR::Profile->get_trx () &&
2646 existing_outputs.get(*t) == nphysical_out ) {
2650 if ((*t) == DataType::MIDI && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
2651 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
2652 } else if ((*t) == DataType::AUDIO && (Config->get_output_auto_connect() & AutoConnectMaster)) {
2653 /* master bus is audio only */
2654 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
2655 port = _master_out->input()->ports().port(*t,
2656 i % _master_out->input()->n_ports().get(*t))->name();
2660 DEBUG_TRACE (DEBUG::Graph,
2661 string_compose("Connect route %1 OUT to %2\n",
2662 route->name(), port));
2664 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
2668 ChanCount one_added (*t, 1);
2669 existing_outputs += one_added;
2675 #ifdef USE_TRACKS_CODE_FEATURES
2678 compare_routes_by_remote_id (const boost::shared_ptr<Route>& route1, const boost::shared_ptr<Route>& route2)
2680 return route1->remote_control_id() < route2->remote_control_id();
2684 Session::reconnect_existing_routes (bool withLock, bool reconnect_master, bool reconnect_inputs, bool reconnect_outputs)
2686 // it is not allowed to perform connection
2687 if (!IO::connecting_legal) {
2691 // if we are deleting routes we will call this once at the end
2692 if (_route_deletion_in_progress) {
2696 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2702 // We need to disconnect the route's inputs and outputs first
2703 // basing on autoconnect configuration
2704 bool reconnectIputs = !(Config->get_input_auto_connect() & ManualConnect) && reconnect_inputs;
2705 bool reconnectOutputs = !(Config->get_output_auto_connect() & ManualConnect) && reconnect_outputs;
2707 ChanCount existing_inputs;
2708 ChanCount existing_outputs;
2709 count_existing_track_channels (existing_inputs, existing_outputs);
2711 //ChanCount inputs = ChanCount::ZERO;
2712 //ChanCount outputs = ChanCount::ZERO;
2714 RouteList existing_routes = *routes.reader ();
2715 existing_routes.sort (compare_routes_by_remote_id);
2718 PBD::Unwinder<bool> protect_ignore_changes (_reconnecting_routes_in_progress, true);
2720 vector<string> physinputs;
2721 vector<string> physoutputs;
2723 EngineStateController::instance()->get_physical_audio_outputs(physoutputs);
2724 EngineStateController::instance()->get_physical_audio_inputs(physinputs);
2726 uint32_t input_n = 0;
2727 uint32_t output_n = 0;
2728 RouteList::iterator rIter = existing_routes.begin();
2729 const AutoConnectOption current_input_auto_connection (Config->get_input_auto_connect());
2730 const AutoConnectOption current_output_auto_connection (Config->get_output_auto_connect());
2731 for (; rIter != existing_routes.end(); ++rIter) {
2732 if (*rIter == _master_out || *rIter == _monitor_out ) {
2736 if (current_output_auto_connection == AutoConnectPhysical) {
2737 (*rIter)->amp()->deactivate();
2738 } else if (current_output_auto_connection == AutoConnectMaster) {
2739 (*rIter)->amp()->activate();
2742 if (reconnectIputs) {
2743 (*rIter)->input()->disconnect (this); //GZ: check this; could be heavy
2745 for (uint32_t route_input_n = 0; route_input_n < (*rIter)->n_inputs().get(DataType::AUDIO); ++route_input_n) {
2747 if (current_input_auto_connection & AutoConnectPhysical) {
2749 if ( input_n == physinputs.size() ) {
2753 string port = physinputs[input_n];
2755 if (port.empty() ) {
2756 error << "Physical Input number "<< input_n << " is unavailable and cannot be connected" << endmsg;
2759 //GZ: check this; could be heavy
2760 (*rIter)->input()->connect ((*rIter)->input()->ports().port(DataType::AUDIO, route_input_n), port, this);
2766 if (reconnectOutputs) {
2768 //normalize route ouptuts: reduce the amount outputs to be equal to the amount of inputs
2769 if (current_output_auto_connection & AutoConnectPhysical) {
2771 //GZ: check this; could be heavy
2772 (*rIter)->output()->disconnect (this);
2773 size_t route_inputs_count = (*rIter)->n_inputs().get(DataType::AUDIO);
2775 //GZ: check this; could be heavy
2776 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, route_inputs_count), false, this );
2778 } else if (current_output_auto_connection & AutoConnectMaster){
2780 if (!reconnect_master) {
2784 //GZ: check this; could be heavy
2785 (*rIter)->output()->disconnect (this);
2788 uint32_t master_inputs_count = _master_out->n_inputs().get(DataType::AUDIO);
2789 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, master_inputs_count), false, this );
2791 error << error << "Master bus is not available" << endmsg;
2796 for (uint32_t route_output_n = 0; route_output_n < (*rIter)->n_outputs().get(DataType::AUDIO); ++route_output_n) {
2797 if (current_output_auto_connection & AutoConnectPhysical) {
2799 if ( output_n == physoutputs.size() ) {
2803 string port = physoutputs[output_n];
2805 if (port.empty() ) {
2806 error << "Physical Output number "<< output_n << " is unavailable and cannot be connected" << endmsg;
2809 //GZ: check this; could be heavy
2810 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2813 } else if (current_output_auto_connection & AutoConnectMaster) {
2815 if ( route_output_n == _master_out->n_inputs().get(DataType::AUDIO) ) {
2819 // connect to master bus
2820 string port = _master_out->input()->ports().port(DataType::AUDIO, route_output_n)->name();
2822 if (port.empty() ) {
2823 error << "MasterBus Input number "<< route_output_n << " is unavailable and cannot be connected" << endmsg;
2827 //GZ: check this; could be heavy
2828 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2834 //auto_connect_route (*rIter, inputs, outputs, false, reconnectIputs);
2837 _master_out->output()->disconnect (this);
2838 auto_connect_master_bus ();
2843 session_routes_reconnected (); /* EMIT SIGNAL */
2847 Session::reconnect_midi_scene_ports(bool inputs)
2851 boost::shared_ptr<MidiPort> scene_in_ptr = scene_in();
2853 scene_in_ptr->disconnect_all ();
2855 std::vector<EngineStateController::MidiPortState> midi_port_states;
2856 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2858 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2860 for (; state_iter != midi_port_states.end(); ++state_iter) {
2861 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2862 scene_in_ptr->connect (state_iter->name);
2869 boost::shared_ptr<MidiPort> scene_out_ptr = scene_out();
2871 if (scene_out_ptr ) {
2872 scene_out_ptr->disconnect_all ();
2874 std::vector<EngineStateController::MidiPortState> midi_port_states;
2875 EngineStateController::instance()->get_physical_midi_output_states (midi_port_states);
2877 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2879 for (; state_iter != midi_port_states.end(); ++state_iter) {
2880 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2881 scene_out_ptr->connect (state_iter->name);
2889 Session::reconnect_mtc_ports ()
2891 boost::shared_ptr<MidiPort> mtc_in_ptr = _midi_ports->mtc_input_port();
2897 mtc_in_ptr->disconnect_all ();
2899 std::vector<EngineStateController::MidiPortState> midi_port_states;
2900 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2902 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2904 for (; state_iter != midi_port_states.end(); ++state_iter) {
2905 if (state_iter->available && state_iter->mtc_in) {
2906 mtc_in_ptr->connect (state_iter->name);
2910 if (!_midi_ports->mtc_input_port ()->connected () &&
2911 config.get_external_sync () &&
2912 (Config->get_sync_source () == MTC) ) {
2913 config.set_external_sync (false);
2916 if ( ARDOUR::Profile->get_trx () ) {
2917 // Tracks need this signal to update timecode_source_dropdown
2918 MtcOrLtcInputPortChanged (); //emit signal
2923 Session::reconnect_mmc_ports(bool inputs)
2925 if (inputs ) { // get all enabled midi input ports
2927 boost::shared_ptr<MidiPort> mmc_in_ptr = _midi_ports->mmc_in();
2929 mmc_in_ptr->disconnect_all ();
2930 std::vector<std::string> enabled_midi_inputs;
2931 EngineStateController::instance()->get_physical_midi_inputs (enabled_midi_inputs);
2933 std::vector<std::string>::iterator port_iter = enabled_midi_inputs.begin();
2935 for (; port_iter != enabled_midi_inputs.end(); ++port_iter) {
2936 mmc_in_ptr->connect (*port_iter);
2940 } else { // get all enabled midi output ports
2942 boost::shared_ptr<MidiPort> mmc_out_ptr = _midi_ports->mmc_out();
2944 mmc_out_ptr->disconnect_all ();
2945 std::vector<std::string> enabled_midi_outputs;
2946 EngineStateController::instance()->get_physical_midi_outputs (enabled_midi_outputs);
2948 std::vector<std::string>::iterator port_iter = enabled_midi_outputs.begin();
2950 for (; port_iter != enabled_midi_outputs.end(); ++port_iter) {
2951 mmc_out_ptr->connect (*port_iter);
2959 /** Caller must not hold process lock
2960 * @param name_template string to use for the start of the name, or "" to use "Audio".
2962 list< boost::shared_ptr<AudioTrack> >
2963 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode, RouteGroup* route_group,
2964 uint32_t how_many, string name_template)
2967 uint32_t track_id = 0;
2969 RouteList new_routes;
2970 list<boost::shared_ptr<AudioTrack> > ret;
2972 const string name_pattern = default_track_name_pattern (DataType::AUDIO);
2973 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2977 if (!find_route_name (name_template.empty() ? _(name_pattern.c_str()) : name_template, ++track_id, track_name, use_number)) {
2978 error << "cannot find name for new audio track" << endmsg;
2982 boost::shared_ptr<AudioTrack> track;
2985 track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
2987 if (track->init ()) {
2991 if (ARDOUR::Profile->get_trx ()) {
2992 // TRACKS considers it's not a USE CASE, it's
2993 // a piece of behavior of the session model:
2995 // Gain for a newly created route depends on
2996 // the current output_auto_connect mode:
2998 // 0 for Stereo Out mode
3000 if (Config->get_output_auto_connect() & AutoConnectMaster) {
3001 track->set_gain (dB_to_coefficient (0), Controllable::NoGroup);
3005 track->use_new_diskstream();
3007 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
3008 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
3011 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3013 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3014 error << string_compose (
3015 _("cannot configure %1 in/%2 out configuration for new audio track"),
3016 input_channels, output_channels)
3021 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3022 error << string_compose (
3023 _("cannot configure %1 in/%2 out configuration for new audio track"),
3024 input_channels, output_channels)
3031 route_group->add (track);
3034 track->non_realtime_input_change();
3036 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
3037 if (Config->get_remote_model() == UserOrdered) {
3038 track->set_remote_control_id (next_control_id());
3041 new_routes.push_back (track);
3042 ret.push_back (track);
3044 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3047 catch (failed_constructor &err) {
3048 error << _("Session: could not create new audio track.") << endmsg;
3052 catch (AudioEngine::PortRegistrationFailure& pfe) {
3054 error << pfe.what() << endmsg;
3062 if (!new_routes.empty()) {
3063 StateProtector sp (this);
3064 if (Profile->get_trx()) {
3065 add_routes (new_routes, false, false, false);
3067 add_routes (new_routes, true, true, false);
3074 /** Caller must not hold process lock.
3075 * @param name_template string to use for the start of the name, or "" to use "Bus".
3078 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template)
3081 uint32_t bus_id = 0;
3085 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
3088 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, use_number)) {
3089 error << "cannot find name for new audio bus" << endmsg;
3094 boost::shared_ptr<Route> bus (new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO));
3100 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
3101 // boost_debug_shared_ptr_mark_interesting (bus.get(), "Route");
3104 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3106 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3107 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3108 input_channels, output_channels)
3114 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3115 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3116 input_channels, output_channels)
3123 route_group->add (bus);
3125 if (Config->get_remote_model() == UserOrdered) {
3126 bus->set_remote_control_id (next_control_id());
3129 bus->add_internal_return ();
3131 ret.push_back (bus);
3133 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3139 catch (failed_constructor &err) {
3140 error << _("Session: could not create new audio route.") << endmsg;
3144 catch (AudioEngine::PortRegistrationFailure& pfe) {
3145 error << pfe.what() << endmsg;
3155 StateProtector sp (this);
3156 if (Profile->get_trx()) {
3157 add_routes (ret, false, false, false);
3159 add_routes (ret, false, true, true); // autoconnect // outputs only
3168 Session::new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name_base, PlaylistDisposition pd)
3172 if (!tree.read (template_path.c_str())) {
3176 return new_route_from_template (how_many, *tree.root(), name_base, pd);
3180 Session::new_route_from_template (uint32_t how_many, XMLNode& node, const std::string& name_base, PlaylistDisposition pd)
3183 uint32_t control_id;
3184 uint32_t number = 0;
3185 const uint32_t being_added = how_many;
3186 /* This will prevent the use of any existing XML-provided PBD::ID
3189 Stateful::ForceIDRegeneration force_ids;
3190 IO::disable_connecting ();
3192 control_id = next_control_id ();
3196 /* We're going to modify the node contents a bit so take a
3197 * copy. The node may be re-used when duplicating more than once.
3200 XMLNode node_copy (node);
3205 if (!name_base.empty()) {
3207 /* if we're adding more than one routes, force
3208 * all the names of the new routes to be
3209 * numbered, via the final parameter.
3212 if (!find_route_name (name_base.c_str(), ++number, name, (being_added > 1))) {
3213 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3219 string const route_name = node_copy.property(X_("name"))->value ();
3221 /* generate a new name by adding a number to the end of the template name */
3222 if (!find_route_name (route_name.c_str(), ++number, name, true)) {
3223 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3224 abort(); /*NOTREACHED*/
3228 /* set this name in the XML description that we are about to use */
3230 bool rename_playlist;
3233 rename_playlist = true;
3237 rename_playlist = false;
3240 Route::set_name_in_state (node_copy, name, rename_playlist);
3242 /* trim bitslots from listen sends so that new ones are used */
3243 XMLNodeList children = node_copy.children ();
3244 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
3245 if ((*i)->name() == X_("Processor")) {
3246 XMLProperty* role = (*i)->property (X_("role"));
3247 if (role && role->value() == X_("Listen")) {
3248 (*i)->remove_property (X_("bitslot"));
3253 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
3256 error << _("Session: cannot create track/bus from template description") << endmsg;
3260 if (boost::dynamic_pointer_cast<Track>(route)) {
3261 /* force input/output change signals so that the new diskstream
3262 picks up the configuration of the route. During session
3263 loading this normally happens in a different way.
3266 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3268 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
3269 change.after = route->input()->n_ports();
3270 route->input()->changed (change, this);
3271 change.after = route->output()->n_ports();
3272 route->output()->changed (change, this);
3275 route->set_remote_control_id (control_id);
3278 boost::shared_ptr<Track> track;
3280 if ((track = boost::dynamic_pointer_cast<Track> (route))) {
3283 track->use_new_playlist ();
3286 track->use_copy_playlist ();
3293 ret.push_back (route);
3295 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3298 catch (failed_constructor &err) {
3299 error << _("Session: could not create new route from template") << endmsg;
3303 catch (AudioEngine::PortRegistrationFailure& pfe) {
3304 error << pfe.what() << endmsg;
3313 StateProtector sp (this);
3314 if (Profile->get_trx()) {
3315 add_routes (ret, false, false, false);
3317 add_routes (ret, true, true, false);
3319 IO::enable_connecting ();
3326 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save)
3329 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
3330 add_routes_inner (new_routes, input_auto_connect, output_auto_connect);
3333 error << _("Adding new tracks/busses failed") << endmsg;
3338 update_latency (true);
3339 update_latency (false);
3344 save_state (_current_snapshot_name);
3347 reassign_track_numbers();
3349 update_route_record_state ();
3351 RouteAdded (new_routes); /* EMIT SIGNAL */
3355 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect)
3357 ChanCount existing_inputs;
3358 ChanCount existing_outputs;
3359 uint32_t order = next_control_id();
3361 if (_order_hint > -1) {
3362 order = _order_hint;
3366 count_existing_track_channels (existing_inputs, existing_outputs);
3369 RCUWriter<RouteList> writer (routes);
3370 boost::shared_ptr<RouteList> r = writer.get_copy ();
3371 r->insert (r->end(), new_routes.begin(), new_routes.end());
3373 /* if there is no control out and we're not in the middle of loading,
3374 resort the graph here. if there is a control out, we will resort
3375 toward the end of this method. if we are in the middle of loading,
3376 we will resort when done.
3379 if (!_monitor_out && IO::connecting_legal) {
3380 resort_routes_using (r);
3384 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3386 boost::weak_ptr<Route> wpr (*x);
3387 boost::shared_ptr<Route> r (*x);
3389 r->listen_changed.connect_same_thread (*this, boost::bind (&Session::route_listen_changed, this, _1, wpr));
3390 r->solo_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2, wpr));
3391 r->solo_isolated_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, wpr));
3392 r->mute_changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this));
3393 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
3394 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
3396 if (r->is_master()) {
3400 if (r->is_monitor()) {
3404 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
3406 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
3407 track_playlist_changed (boost::weak_ptr<Track> (tr));
3408 tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_route_record_state, this));
3410 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
3412 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
3413 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
3418 if (input_auto_connect || output_auto_connect) {
3419 auto_connect_route (r, existing_inputs, existing_outputs, true, input_auto_connect);
3422 /* order keys are a GUI responsibility but we need to set up
3423 reasonable defaults because they also affect the remote control
3424 ID in most situations.
3427 if (!r->has_order_key ()) {
3428 if (r->is_auditioner()) {
3429 /* use an arbitrarily high value */
3430 r->set_order_key (UINT_MAX);
3432 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("while adding, set %1 to order key %2\n", r->name(), order));
3433 r->set_order_key (order);
3441 if (_monitor_out && IO::connecting_legal) {
3442 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
3444 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3445 if ((*x)->is_monitor()) {
3447 } else if ((*x)->is_master()) {
3450 (*x)->enable_monitor_send ();
3457 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
3459 boost::shared_ptr<RouteList> r = routes.reader ();
3460 boost::shared_ptr<Send> s;
3462 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3463 if ((s = (*i)->internal_send_for (dest)) != 0) {
3464 s->amp()->gain_control()->set_value (GAIN_COEFF_ZERO, Controllable::NoGroup);
3470 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
3472 boost::shared_ptr<RouteList> r = routes.reader ();
3473 boost::shared_ptr<Send> s;
3475 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3476 if ((s = (*i)->internal_send_for (dest)) != 0) {
3477 s->amp()->gain_control()->set_value (GAIN_COEFF_UNITY, Controllable::NoGroup);
3483 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
3485 boost::shared_ptr<RouteList> r = routes.reader ();
3486 boost::shared_ptr<Send> s;
3488 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3489 if ((s = (*i)->internal_send_for (dest)) != 0) {
3490 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value(), Controllable::NoGroup);
3495 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
3497 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
3499 boost::shared_ptr<RouteList> r = routes.reader ();
3500 boost::shared_ptr<RouteList> t (new RouteList);
3502 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3503 /* no MIDI sends because there are no MIDI busses yet */
3504 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
3509 add_internal_sends (dest, p, t);
3513 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
3515 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
3516 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
3521 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
3523 add_internal_send (dest, sender->before_processor_for_index (index), sender);
3527 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
3529 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
3533 if (!dest->internal_return()) {
3534 dest->add_internal_return ();
3537 sender->add_aux_send (dest, before);
3544 Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
3546 { // RCU Writer scope
3547 PBD::Unwinder<bool> uw_flag (_route_deletion_in_progress, true);
3548 RCUWriter<RouteList> writer (routes);
3549 boost::shared_ptr<RouteList> rs = writer.get_copy ();
3552 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3554 if (*iter == _master_out) {
3558 (*iter)->set_solo (false, Controllable::NoGroup);
3562 /* deleting the master out seems like a dumb
3563 idea, but its more of a UI policy issue
3567 if (*iter == _master_out) {
3568 _master_out = boost::shared_ptr<Route> ();
3571 if (*iter == _monitor_out) {
3572 _monitor_out.reset ();
3575 // We need to disconnect the route's inputs and outputs
3577 (*iter)->input()->disconnect (0);
3578 (*iter)->output()->disconnect (0);
3580 /* if the route had internal sends sending to it, remove them */
3581 if ((*iter)->internal_return()) {
3583 boost::shared_ptr<RouteList> r = routes.reader ();
3584 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3585 boost::shared_ptr<Send> s = (*i)->internal_send_for (*iter);
3587 (*i)->remove_processor (s);
3592 /* if the monitoring section had a pointer to this route, remove it */
3593 if (_monitor_out && !(*iter)->is_master() && !(*iter)->is_monitor()) {
3594 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3595 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
3596 (*iter)->remove_aux_or_listen (_monitor_out);
3599 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*iter);
3600 if (mt && mt->step_editing()) {
3601 if (_step_editors > 0) {
3607 /* writer goes out of scope, forces route list update */
3609 } // end of RCU Writer scope
3611 update_route_solo_state ();
3612 RouteAddedOrRemoved (false); /* EMIT SIGNAL */
3613 update_latency_compensation ();
3616 /* Re-sort routes to remove the graph's current references to the one that is
3617 * going away, then flush old references out of the graph.
3618 * Wave Tracks: reconnect routes
3621 #ifdef USE_TRACKS_CODE_FEATURES
3622 reconnect_existing_routes(true, false);
3624 routes.flush (); // maybe unsafe, see below.
3628 if (_process_graph) {
3629 _process_graph->clear_other_chain ();
3632 /* get rid of it from the dead wood collection in the route list manager */
3633 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
3637 /* try to cause everyone to drop their references
3638 * and unregister ports from the backend
3641 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3642 (*iter)->drop_references ();
3645 Route::RemoteControlIDChange(); /* EMIT SIGNAL */
3647 /* save the new state of the world */
3649 if (save_state (_current_snapshot_name)) {
3650 save_history (_current_snapshot_name);
3653 reassign_track_numbers();
3654 update_route_record_state ();
3658 Session::remove_route (boost::shared_ptr<Route> route)
3660 boost::shared_ptr<RouteList> rl (new RouteList);
3661 rl->push_back (route);
3666 Session::route_mute_changed ()
3672 Session::route_listen_changed (Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3674 boost::shared_ptr<Route> route = wpr.lock();
3676 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_listen_changed")) << endmsg;
3680 if (route->listening_via_monitor ()) {
3682 if (Config->get_exclusive_solo()) {
3684 RouteGroup* rg = route->route_group ();
3685 const bool group_already_accounted_for = route->use_group (group_override, &RouteGroup::is_solo);
3687 boost::shared_ptr<RouteList> r = routes.reader ();
3689 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3690 if ((*i) == route) {
3691 /* already changed */
3695 if ((*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3696 /* route does not get solo propagated to it */
3700 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3701 /* this route is a part of the same solo group as the route
3702 * that was changed. Changing that route did change or will
3703 * change all group members appropriately, so we can ignore it
3708 (*i)->set_listen (false, Controllable::NoGroup);
3714 } else if (_listen_cnt > 0) {
3719 update_route_solo_state ();
3722 Session::route_solo_isolated_changed (boost::weak_ptr<Route> wpr)
3724 boost::shared_ptr<Route> route = wpr.lock ();
3727 /* should not happen */
3728 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_isolated_changed")) << endmsg;
3732 bool send_changed = false;
3734 if (route->solo_isolated()) {
3735 if (_solo_isolated_cnt == 0) {
3736 send_changed = true;
3738 _solo_isolated_cnt++;
3739 } else if (_solo_isolated_cnt > 0) {
3740 _solo_isolated_cnt--;
3741 if (_solo_isolated_cnt == 0) {
3742 send_changed = true;
3747 IsolatedChanged (); /* EMIT SIGNAL */
3752 Session::route_solo_changed (bool self_solo_change, Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3754 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1\n", self_solo_change));
3756 if (!self_solo_change) {
3757 // session doesn't care about changes to soloed-by-others
3761 boost::shared_ptr<Route> route = wpr.lock ();
3764 boost::shared_ptr<RouteList> r = routes.reader ();
3767 if (route->self_soloed()) {
3773 /* the route may be a member of a group that has shared-solo
3774 * semantics. If so, then all members of that group should follow the
3775 * solo of the changed route. But ... this is optional, controlled by a
3776 * Controllable::GroupControlDisposition.
3778 * The first argument to the signal that this method is connected to is the
3779 * GroupControlDisposition value that was used to change solo.
3781 * If the solo change was done with group semantics (either InverseGroup
3782 * (force the entire group to change even if the group shared solo is
3783 * disabled) or UseGroup (use the group, which may or may not have the
3784 * shared solo property enabled)) then as we propagate the change to
3785 * the entire session we should IGNORE THE GROUP that the changed route
3789 RouteGroup* rg = route->route_group ();
3790 const bool group_already_accounted_for = (group_override == Controllable::ForGroup);
3792 if (delta == 1 && Config->get_exclusive_solo()) {
3794 /* new solo: disable all other solos, but not the group if its solo-enabled */
3796 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3798 if ((*i) == route) {
3799 /* already changed */
3803 if ((*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3804 /* route does not get solo propagated to it */
3808 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3809 /* this route is a part of the same solo group as the route
3810 * that was changed. Changing that route did change or will
3811 * change all group members appropriately, so we can ignore it
3817 (*i)->set_solo (false, group_override);
3821 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
3823 RouteList uninvolved;
3825 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
3827 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3828 bool via_sends_only;
3829 bool in_signal_flow;
3831 if ((*i) == route) {
3832 /* already changed */
3836 if ((*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3837 /* route does not get solo propagated to it */
3841 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3842 /* this route is a part of the same solo group as the route
3843 * that was changed. Changing that route did change or will
3844 * change all group members appropriately, so we can ignore it
3850 in_signal_flow = false;
3852 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
3854 if ((*i)->feeds (route, &via_sends_only)) {
3855 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
3856 if (!via_sends_only) {
3857 if (!route->soloed_by_others_upstream()) {
3858 (*i)->mod_solo_by_others_downstream (delta);
3860 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others upstream\n");
3863 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
3865 in_signal_flow = true;
3867 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
3870 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
3872 if (route->feeds (*i, &via_sends_only)) {
3873 /* propagate solo upstream only if routing other than
3874 sends is involved, but do consider the other route
3875 (*i) to be part of the signal flow even if only
3878 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
3882 route->soloed_by_others_downstream(),
3883 route->soloed_by_others_upstream()));
3884 if (!via_sends_only) {
3885 //NB. Triggers Invert Push, which handles soloed by downstream
3886 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
3887 (*i)->mod_solo_by_others_upstream (delta);
3889 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
3891 in_signal_flow = true;
3893 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
3896 if (!in_signal_flow) {
3897 uninvolved.push_back (*i);
3901 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
3903 update_route_solo_state (r);
3905 /* now notify that the mute state of the routes not involved in the signal
3906 pathway of the just-solo-changed route may have altered.
3909 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
3910 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
3911 (*i)->act_on_mute ();
3912 (*i)->mute_changed ();
3915 SoloChanged (); /* EMIT SIGNAL */
3920 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
3922 /* now figure out if anything that matters is soloed (or is "listening")*/
3924 bool something_soloed = false;
3925 bool something_listening = false;
3926 uint32_t listeners = 0;
3927 uint32_t isolated = 0;
3930 r = routes.reader();
3933 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3934 if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner() && (*i)->self_soloed()) {
3935 something_soloed = true;
3938 if (!(*i)->is_auditioner() && (*i)->listening_via_monitor()) {
3939 if (Config->get_solo_control_is_listen_control()) {
3941 something_listening = true;
3943 (*i)->set_listen (false, Controllable::NoGroup);
3947 if ((*i)->solo_isolated()) {
3952 if (something_soloed != _non_soloed_outs_muted) {
3953 _non_soloed_outs_muted = something_soloed;
3954 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
3957 if (something_listening != _listening) {
3958 _listening = something_listening;
3959 SoloActive (_listening);
3962 _listen_cnt = listeners;
3964 if (isolated != _solo_isolated_cnt) {
3965 _solo_isolated_cnt = isolated;
3966 IsolatedChanged (); /* EMIT SIGNAL */
3969 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
3970 something_soloed, listeners, isolated));
3973 boost::shared_ptr<RouteList>
3974 Session::get_routes_with_internal_returns() const
3976 boost::shared_ptr<RouteList> r = routes.reader ();
3977 boost::shared_ptr<RouteList> rl (new RouteList);
3979 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3980 if ((*i)->internal_return ()) {
3988 Session::io_name_is_legal (const std::string& name)
3990 boost::shared_ptr<RouteList> r = routes.reader ();
3992 for (vector<string>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
3993 if (name == *reserved) {
3994 if (!route_by_name (*reserved)) {
3995 /* first instance of a reserved name is allowed */
3998 /* all other instances of a reserved name are not allowed */
4003 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4004 if ((*i)->name() == name) {
4008 if ((*i)->has_io_processor_named (name)) {
4017 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
4020 vector<string> connections;
4022 /* if we are passed only a single route and we're not told to turn
4023 * others off, then just do the simple thing.
4026 if (flip_others == false && rl->size() == 1) {
4027 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
4029 mt->set_input_active (onoff);
4034 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
4036 PortSet& ps ((*rt)->input()->ports());
4038 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
4039 p->get_connections (connections);
4042 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
4043 routes_using_input_from (*s, rl2);
4046 /* scan all relevant routes to see if others are on or off */
4048 bool others_are_already_on = false;
4050 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4052 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4058 if ((*r) != (*rt)) {
4059 if (mt->input_active()) {
4060 others_are_already_on = true;
4063 /* this one needs changing */
4064 mt->set_input_active (onoff);
4070 /* globally reverse other routes */
4072 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
4073 if ((*r) != (*rt)) {
4074 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
4076 mt->set_input_active (!others_are_already_on);
4085 Session::routes_using_input_from (const string& str, RouteList& rl)
4087 boost::shared_ptr<RouteList> r = routes.reader();
4089 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4090 if ((*i)->input()->connected_to (str)) {
4096 boost::shared_ptr<Route>
4097 Session::route_by_name (string name)
4099 boost::shared_ptr<RouteList> r = routes.reader ();
4101 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4102 if ((*i)->name() == name) {
4107 return boost::shared_ptr<Route> ((Route*) 0);
4110 boost::shared_ptr<Route>
4111 Session::route_by_id (PBD::ID id)
4113 boost::shared_ptr<RouteList> r = routes.reader ();
4115 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4116 if ((*i)->id() == id) {
4121 return boost::shared_ptr<Route> ((Route*) 0);
4124 boost::shared_ptr<Processor>
4125 Session::processor_by_id (PBD::ID id) const
4127 boost::shared_ptr<RouteList> r = routes.reader ();
4129 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4130 boost::shared_ptr<Processor> p = (*i)->Route::processor_by_id (id);
4136 return boost::shared_ptr<Processor> ();
4139 boost::shared_ptr<Track>
4140 Session::track_by_diskstream_id (PBD::ID id)
4142 boost::shared_ptr<RouteList> r = routes.reader ();
4144 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4145 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4146 if (t && t->using_diskstream_id (id)) {
4151 return boost::shared_ptr<Track> ();
4154 boost::shared_ptr<Route>
4155 Session::route_by_remote_id (uint32_t id)
4157 boost::shared_ptr<RouteList> r = routes.reader ();
4159 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4160 if ((*i)->remote_control_id() == id) {
4165 return boost::shared_ptr<Route> ((Route*) 0);
4169 boost::shared_ptr<Route>
4170 Session::route_by_selected_count (uint32_t id)
4172 boost::shared_ptr<RouteList> r = routes.reader ();
4174 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4175 /* NOT IMPLEMENTED */
4178 return boost::shared_ptr<Route> ((Route*) 0);
4183 Session::reassign_track_numbers ()
4187 RouteList r (*(routes.reader ()));
4188 SignalOrderRouteSorter sorter;
4191 StateProtector sp (this);
4193 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4194 if (boost::dynamic_pointer_cast<Track> (*i)) {
4195 (*i)->set_track_number(++tn);
4197 else if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner()) {
4198 (*i)->set_track_number(--bn);
4201 const uint32_t decimals = ceilf (log10f (tn + 1));
4202 const bool decimals_changed = _track_number_decimals != decimals;
4203 _track_number_decimals = decimals;
4205 if (decimals_changed && config.get_track_name_number ()) {
4206 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4207 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4209 t->resync_track_name();
4212 // trigger GUI re-layout
4213 config.ParameterChanged("track-name-number");
4218 Session::playlist_region_added (boost::weak_ptr<Region> w)
4220 boost::shared_ptr<Region> r = w.lock ();
4225 /* These are the operations that are currently in progress... */
4226 list<GQuark> curr = _current_trans_quarks;
4229 /* ...and these are the operations during which we want to update
4230 the session range location markers.
4233 ops.push_back (Operations::capture);
4234 ops.push_back (Operations::paste);
4235 ops.push_back (Operations::duplicate_region);
4236 ops.push_back (Operations::insert_file);
4237 ops.push_back (Operations::insert_region);
4238 ops.push_back (Operations::drag_region_brush);
4239 ops.push_back (Operations::region_drag);
4240 ops.push_back (Operations::selection_grab);
4241 ops.push_back (Operations::region_fill);
4242 ops.push_back (Operations::fill_selection);
4243 ops.push_back (Operations::create_region);
4244 ops.push_back (Operations::region_copy);
4245 ops.push_back (Operations::fixed_time_region_copy);
4248 /* See if any of the current operations match the ones that we want */
4250 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
4252 /* If so, update the session range markers */
4254 maybe_update_session_range (r->position (), r->last_frame ());
4258 /** Update the session range markers if a is before the current start or
4259 * b is after the current end.
4262 Session::maybe_update_session_range (framepos_t a, framepos_t b)
4264 if (_state_of_the_state & Loading) {
4268 framepos_t session_end_marker_shift_samples = session_end_shift * _nominal_frame_rate;
4270 if (_session_range_location == 0) {
4272 set_session_range_location (a, b + session_end_marker_shift_samples);
4276 if (a < _session_range_location->start()) {
4277 _session_range_location->set_start (a);
4280 if (b > _session_range_location->end()) {
4281 _session_range_location->set_end (b);
4287 Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
4289 for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4290 maybe_update_session_range (i->to, i->to + i->length);
4295 Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
4297 for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4298 maybe_update_session_range (i->from, i->to);
4302 /* Region management */
4304 boost::shared_ptr<Region>
4305 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
4307 const RegionFactory::RegionMap& regions (RegionFactory::regions());
4308 RegionFactory::RegionMap::const_iterator i;
4309 boost::shared_ptr<Region> region;
4311 Glib::Threads::Mutex::Lock lm (region_lock);
4313 for (i = regions.begin(); i != regions.end(); ++i) {
4317 if (region->whole_file()) {
4319 if (child->source_equivalent (region)) {
4325 return boost::shared_ptr<Region> ();
4329 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
4331 set<boost::shared_ptr<Region> > relevant_regions;
4333 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
4334 RegionFactory::get_regions_using_source (*s, relevant_regions);
4337 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
4338 set<boost::shared_ptr<Region> >::iterator tmp;
4343 playlists->destroy_region (*r);
4344 RegionFactory::map_remove (*r);
4346 (*r)->drop_sources ();
4347 (*r)->drop_references ();
4349 relevant_regions.erase (r);
4354 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
4357 Glib::Threads::Mutex::Lock ls (source_lock);
4358 /* remove from the main source list */
4359 sources.erase ((*s)->id());
4362 (*s)->mark_for_remove ();
4363 (*s)->drop_references ();
4372 Session::remove_last_capture ()
4374 list<boost::shared_ptr<Source> > srcs;
4376 boost::shared_ptr<RouteList> rl = routes.reader ();
4377 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4378 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4383 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
4386 srcs.insert (srcs.end(), l.begin(), l.end());
4391 destroy_sources (srcs);
4393 save_state (_current_snapshot_name);
4398 /* Source Management */
4401 Session::add_source (boost::shared_ptr<Source> source)
4403 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
4404 pair<SourceMap::iterator,bool> result;
4406 entry.first = source->id();
4407 entry.second = source;
4410 Glib::Threads::Mutex::Lock lm (source_lock);
4411 result = sources.insert (entry);
4414 if (result.second) {
4416 /* yay, new source */
4418 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
4421 if (!fs->within_session()) {
4422 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
4428 boost::shared_ptr<AudioFileSource> afs;
4430 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
4431 if (Config->get_auto_analyse_audio()) {
4432 Analyser::queue_source_for_analysis (source, false);
4436 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
4441 Session::remove_source (boost::weak_ptr<Source> src)
4443 if (_state_of_the_state & Deletion) {
4447 SourceMap::iterator i;
4448 boost::shared_ptr<Source> source = src.lock();
4455 Glib::Threads::Mutex::Lock lm (source_lock);
4457 if ((i = sources.find (source->id())) != sources.end()) {
4462 if (!(_state_of_the_state & StateOfTheState (InCleanup|Loading))) {
4464 /* save state so we don't end up with a session file
4465 referring to non-existent sources.
4468 save_state (_current_snapshot_name);
4472 boost::shared_ptr<Source>
4473 Session::source_by_id (const PBD::ID& id)
4475 Glib::Threads::Mutex::Lock lm (source_lock);
4476 SourceMap::iterator i;
4477 boost::shared_ptr<Source> source;
4479 if ((i = sources.find (id)) != sources.end()) {
4486 boost::shared_ptr<AudioFileSource>
4487 Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
4489 /* Restricted to audio files because only audio sources have channel
4493 Glib::Threads::Mutex::Lock lm (source_lock);
4495 for (SourceMap::const_iterator i = sources.begin(); i != sources.end(); ++i) {
4496 boost::shared_ptr<AudioFileSource> afs
4497 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
4499 if (afs && afs->path() == path && chn == afs->channel()) {
4504 return boost::shared_ptr<AudioFileSource>();
4507 boost::shared_ptr<MidiSource>
4508 Session::midi_source_by_path (const std::string& path) const
4510 /* Restricted to MIDI files because audio sources require a channel
4511 for unique identification, in addition to a path.
4514 Glib::Threads::Mutex::Lock lm (source_lock);
4516 for (SourceMap::const_iterator s = sources.begin(); s != sources.end(); ++s) {
4517 boost::shared_ptr<MidiSource> ms
4518 = boost::dynamic_pointer_cast<MidiSource>(s->second);
4519 boost::shared_ptr<FileSource> fs
4520 = boost::dynamic_pointer_cast<FileSource>(s->second);
4522 if (ms && fs && fs->path() == path) {
4527 return boost::shared_ptr<MidiSource>();
4531 Session::count_sources_by_origin (const string& path)
4534 Glib::Threads::Mutex::Lock lm (source_lock);
4536 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
4537 boost::shared_ptr<FileSource> fs
4538 = boost::dynamic_pointer_cast<FileSource>(i->second);
4540 if (fs && fs->origin() == path) {
4549 peak_file_helper (const string& peak_path, const string& file_path, const string& file_base, bool hash) {
4551 std::string checksum = Glib::Checksum::compute_checksum(Glib::Checksum::CHECKSUM_SHA1, file_path + G_DIR_SEPARATOR + file_base);
4552 return Glib::build_filename (peak_path, checksum + peakfile_suffix);
4554 return Glib::build_filename (peak_path, file_base + peakfile_suffix);
4559 Session::construct_peak_filepath (const string& filepath, const bool in_session, const bool old_peak_name) const
4561 string interchange_dir_string = string (interchange_dir_name) + G_DIR_SEPARATOR;
4563 if (Glib::path_is_absolute (filepath)) {
4565 /* rip the session dir from the audiofile source */
4567 string session_path;
4568 bool in_another_session = true;
4570 if (filepath.find (interchange_dir_string) != string::npos) {
4572 session_path = Glib::path_get_dirname (filepath); /* now ends in audiofiles */
4573 session_path = Glib::path_get_dirname (session_path); /* now ends in session name */
4574 session_path = Glib::path_get_dirname (session_path); /* now ends in interchange */
4575 session_path = Glib::path_get_dirname (session_path); /* now has session path */
4577 /* see if it is within our session */
4579 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4580 if (i->path == session_path) {
4581 in_another_session = false;
4586 in_another_session = false;
4590 if (in_another_session) {
4591 SessionDirectory sd (session_path);
4592 return peak_file_helper (sd.peak_path(), "", Glib::path_get_basename (filepath), !old_peak_name);
4596 /* 1) if file belongs to this session
4597 * it may be a relative path (interchange/...)
4598 * or just basename (session_state, remove source)
4599 * -> just use the basename
4601 std::string filename = Glib::path_get_basename (filepath);
4604 /* 2) if the file is outside our session dir:
4605 * (imported but not copied) add the path for check-summming */
4607 path = Glib::path_get_dirname (filepath);
4610 return peak_file_helper (_session_dir->peak_path(), path, Glib::path_get_basename (filepath), !old_peak_name);
4614 Session::new_audio_source_path_for_embedded (const std::string& path)
4618 * we know that the filename is already unique because it exists
4619 * out in the filesystem.
4621 * However, when we bring it into the session, we could get a
4624 * Eg. two embedded files:
4629 * When merged into session, these collide.
4631 * There will not be a conflict with in-memory sources
4632 * because when the source was created we already picked
4633 * a unique name for it.
4635 * This collision is not likely to be common, but we have to guard
4636 * against it. So, if there is a collision, take the md5 hash of the
4637 * the path, and use that as the filename instead.
4640 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4641 string base = Glib::path_get_basename (path);
4642 string newpath = Glib::build_filename (sdir.sound_path(), base);
4644 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4648 md5.digestString (path.c_str());
4649 md5.writeToString ();
4650 base = md5.digestChars;
4652 string ext = get_suffix (path);
4659 newpath = Glib::build_filename (sdir.sound_path(), base);
4661 /* if this collides, we're screwed */
4663 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4664 error << string_compose (_("Merging embedded file %1: name collision AND md5 hash collision!"), path) << endmsg;
4673 /** Return true if there are no audio file sources that use @param name as
4674 * the filename component of their path.
4676 * Return false otherwise.
4678 * This method MUST ONLY be used to check in-session, mono files since it
4679 * hard-codes the channel of the audio file source we are looking for as zero.
4681 * If/when Ardour supports native files in non-mono formats, the logic here
4682 * will need to be revisited.
4685 Session::audio_source_name_is_unique (const string& name)
4687 std::vector<string> sdirs = source_search_path (DataType::AUDIO);
4688 vector<space_and_path>::iterator i;
4689 uint32_t existing = 0;
4691 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4693 /* note that we search *without* the extension so that
4694 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
4695 in the event that this new name is required for
4696 a file format change.
4699 const string spath = *i;
4701 if (matching_unsuffixed_filename_exists_in (spath, name)) {
4706 /* it is possible that we have the path already
4707 * assigned to a source that has not yet been written
4708 * (ie. the write source for a diskstream). we have to
4709 * check this in order to make sure that our candidate
4710 * path isn't used again, because that can lead to
4711 * two Sources point to the same file with different
4712 * notions of their removability.
4716 string possible_path = Glib::build_filename (spath, name);
4718 if (audio_source_by_path_and_channel (possible_path, 0)) {
4724 return (existing == 0);
4728 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)
4731 const string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
4733 if (Profile->get_trx() && destructive) {
4735 sstr << setfill ('0') << setw (4) << cnt;
4736 sstr << legalized_base;
4738 sstr << legalized_base;
4740 if (take_required || related_exists) {
4752 } else if (nchan > 2) {
4757 /* XXX what? more than 26 channels! */
4768 /** Return a unique name based on \a base for a new internal audio source */
4770 Session::new_audio_source_path (const string& base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required)
4773 string possible_name;
4774 const uint32_t limit = 9999; // arbitrary limit on number of files with the same basic name
4776 bool some_related_source_name_exists = false;
4778 legalized = legalize_for_path (base);
4780 // Find a "version" of the base name that doesn't exist in any of the possible directories.
4782 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
4784 possible_name = format_audio_source_name (legalized, nchan, chan, destructive, take_required, cnt, some_related_source_name_exists);
4786 if (audio_source_name_is_unique (possible_name)) {
4790 some_related_source_name_exists = true;
4793 error << string_compose(
4794 _("There are already %1 recordings for %2, which I consider too many."),
4795 limit, base) << endmsg;
4797 throw failed_constructor();
4801 /* We've established that the new name does not exist in any session
4802 * directory, so now find out which one we should use for this new
4806 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4808 std::string s = Glib::build_filename (sdir.sound_path(), possible_name);
4813 /** Return a unique name based on `base` for a new internal MIDI source */
4815 Session::new_midi_source_path (const string& base)
4818 char buf[PATH_MAX+1];
4819 const uint32_t limit = 10000;
4821 string possible_path;
4822 string possible_name;
4825 legalized = legalize_for_path (base);
4827 // Find a "version" of the file name that doesn't exist in any of the possible directories.
4828 std::vector<string> sdirs = source_search_path(DataType::MIDI);
4830 /* - the main session folder is the first in the vector.
4831 * - after checking all locations for file-name uniqueness,
4832 * we keep the one from the last iteration as new file name
4833 * - midi files are small and should just be kept in the main session-folder
4835 * -> reverse the array, check main session folder last and use that as location
4838 std::reverse(sdirs.begin(), sdirs.end());
4840 for (cnt = 1; cnt <= limit; ++cnt) {
4842 vector<space_and_path>::iterator i;
4843 uint32_t existing = 0;
4845 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4847 snprintf (buf, sizeof(buf), "%s-%u.mid", legalized.c_str(), cnt);
4848 possible_name = buf;
4850 possible_path = Glib::build_filename (*i, possible_name);
4852 if (Glib::file_test (possible_path, Glib::FILE_TEST_EXISTS)) {
4856 if (midi_source_by_path (possible_path)) {
4861 if (existing == 0) {
4866 error << string_compose(
4867 _("There are already %1 recordings for %2, which I consider too many."),
4868 limit, base) << endmsg;
4874 /* No need to "find best location" for software/app-based RAID, because
4875 MIDI is so small that we always put it in the same place.
4878 return possible_path;
4882 /** Create a new within-session audio source */
4883 boost::shared_ptr<AudioFileSource>
4884 Session::create_audio_source_for_session (size_t n_chans, string const & base, uint32_t chan, bool destructive)
4886 const string path = new_audio_source_path (base, n_chans, chan, destructive, true);
4888 if (!path.empty()) {
4889 return boost::dynamic_pointer_cast<AudioFileSource> (
4890 SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, frame_rate(), true, true));
4892 throw failed_constructor ();
4896 /** Create a new within-session MIDI source */
4897 boost::shared_ptr<MidiSource>
4898 Session::create_midi_source_for_session (string const & basic_name)
4900 const string path = new_midi_source_path (basic_name);
4902 if (!path.empty()) {
4903 return boost::dynamic_pointer_cast<SMFSource> (
4904 SourceFactory::createWritable (
4905 DataType::MIDI, *this, path, false, frame_rate()));
4907 throw failed_constructor ();
4911 /** Create a new within-session MIDI source */
4912 boost::shared_ptr<MidiSource>
4913 Session::create_midi_source_by_stealing_name (boost::shared_ptr<Track> track)
4915 /* the caller passes in the track the source will be used in,
4916 so that we can keep the numbering sane.
4918 Rationale: a track with the name "Foo" that has had N
4919 captures carried out so far will ALREADY have a write source
4920 named "Foo-N+1.mid" waiting to be used for the next capture.
4922 If we call new_midi_source_name() we will get "Foo-N+2". But
4923 there is no region corresponding to "Foo-N+1", so when
4924 "Foo-N+2" appears in the track, the gap presents the user
4925 with odd behaviour - why did it skip past Foo-N+1?
4927 We could explain this to the user in some odd way, but
4928 instead we rename "Foo-N+1.mid" as "Foo-N+2.mid", and then
4931 If that attempted rename fails, we get "Foo-N+2.mid" anyway.
4934 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (track);
4936 std::string name = track->steal_write_source_name ();
4939 return boost::shared_ptr<MidiSource>();
4942 /* MIDI files are small, just put them in the first location of the
4943 session source search path.
4946 const string path = Glib::build_filename (source_search_path (DataType::MIDI).front(), name);
4948 return boost::dynamic_pointer_cast<SMFSource> (
4949 SourceFactory::createWritable (
4950 DataType::MIDI, *this, path, false, frame_rate()));
4955 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
4957 if (playlist->hidden()) {
4961 playlists->add (playlist);
4964 playlist->release();
4971 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
4973 if (_state_of_the_state & Deletion) {
4977 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
4983 playlists->remove (playlist);
4989 Session::set_audition (boost::shared_ptr<Region> r)
4991 pending_audition_region = r;
4992 add_post_transport_work (PostTransportAudition);
4993 _butler->schedule_transport_work ();
4997 Session::audition_playlist ()
4999 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5000 ev->region.reset ();
5006 Session::register_lua_function (
5007 const std::string& name,
5008 const std::string& script,
5009 const LuaScriptParamList& args
5012 Glib::Threads::Mutex::Lock lm (lua_lock);
5014 lua_State* L = lua.getState();
5016 const std::string& bytecode = LuaScripting::get_factory_bytecode (script);
5017 luabridge::LuaRef tbl_arg (luabridge::newTable(L));
5018 for (LuaScriptParamList::const_iterator i = args.begin(); i != args.end(); ++i) {
5019 if ((*i)->optional && !(*i)->is_set) { continue; }
5020 tbl_arg[(*i)->name] = (*i)->value;
5022 (*_lua_add)(name, bytecode, tbl_arg); // throws luabridge::LuaException
5027 Session::unregister_lua_function (const std::string& name)
5029 Glib::Threads::Mutex::Lock lm (lua_lock);
5030 (*_lua_del)(name); // throws luabridge::LuaException
5031 lua.collect_garbage ();
5035 std::vector<std::string>
5036 Session::registered_lua_functions ()
5038 Glib::Threads::Mutex::Lock lm (lua_lock);
5039 std::vector<std::string> rv;
5042 luabridge::LuaRef list ((*_lua_list)());
5043 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5044 if (!i.key ().isString ()) { assert(0); continue; }
5045 rv.push_back (i.key ().cast<std::string> ());
5047 } catch (luabridge::LuaException const& e) { }
5052 static void _lua_print (std::string s) {
5053 std::cout << "SessionLua: " << s << "\n";
5058 Session::try_run_lua (pframes_t nframes)
5060 if (_n_lua_scripts == 0) return;
5061 Glib::Threads::Mutex::Lock tm (lua_lock, Glib::Threads::TRY_LOCK);
5063 try { (*_lua_run)(nframes); } catch (luabridge::LuaException const& e) { }
5068 Session::setup_lua ()
5071 lua.Print.connect (&_lua_print);
5074 "function ArdourSession ()"
5075 " local self = { scripts = {}, instances = {} }"
5077 " local remove = function (n)"
5078 " self.scripts[n] = nil"
5079 " self.instances[n] = nil"
5080 " Session:scripts_changed()" // call back
5083 " local addinternal = function (n, f, a)"
5084 " assert(type(n) == 'string', 'function-name must be string')"
5085 " assert(type(f) == 'function', 'Given script is a not a function')"
5086 " assert(type(a) == 'table' or type(a) == 'nil', 'Given argument is invalid')"
5087 " assert(self.scripts[n] == nil, 'Callback \"'.. n ..'\" already exists.')"
5088 " self.scripts[n] = { ['f'] = f, ['a'] = a }"
5089 " local env = _ENV; env.f = nil env.io = nil env.os = nil env.loadfile = nil env.require = nil env.dofile = nil env.package = nil env.debug = nil"
5090 " local env = { print = print, Session = Session, 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 }"
5091 " self.instances[n] = load (string.dump(f, true), nil, nil, env)(a)"
5092 " Session:scripts_changed()" // call back
5095 " local add = function (n, b, a)"
5096 " assert(type(b) == 'string', 'ByteCode must be string')"
5097 " load (b)()" // assigns f
5098 " assert(type(f) == 'string', 'Assigned ByteCode must be string')"
5099 " addinternal (n, load(f), a)"
5102 " local run = function (...)"
5103 " for n, s in pairs (self.instances) do"
5104 " local status, err = pcall (s, ...)"
5105 " if not status then"
5106 " print ('fn \"'.. n .. '\": ', err)"
5113 " local cleanup = function ()"
5114 " self.scripts = nil"
5115 " self.instances = nil"
5118 " local list = function ()"
5120 " for n, _ in pairs (self.scripts) do"
5126 " local function basic_serialize (o)"
5127 " if type(o) == \"number\" then"
5128 " return tostring(o)"
5130 " return string.format(\"%q\", o)"
5134 " local function serialize (name, value)"
5135 " local rv = name .. ' = '"
5137 " if type(value) == \"number\" or type(value) == \"string\" or type(value) == \"nil\" then"
5138 " return rv .. basic_serialize(value) .. ' '"
5139 " elseif type(value) == \"table\" then"
5141 " for k,v in pairs(value) do"
5142 " local fieldname = string.format(\"%s[%s]\", name, basic_serialize(k))"
5143 " rv = rv .. serialize(fieldname, v) .. ' '"
5144 " collectgarbage()" // string concatenation allocates a new string :(
5147 " elseif type(value) == \"function\" then"
5148 " return rv .. string.format(\"%q\", string.dump(value, true))"
5150 " error('cannot save a ' .. type(value))"
5155 " local save = function ()"
5156 " return (serialize('scripts', self.scripts))"
5159 " local restore = function (state)"
5160 " self.scripts = {}"
5162 " for n, s in pairs (scripts) do"
5163 " addinternal (n, load(s['f']), s['a'])"
5167 " return { run = run, add = add, remove = remove,"
5168 " list = list, restore = restore, save = save, cleanup = cleanup}"
5171 " sess = ArdourSession ()"
5172 " ArdourSession = nil"
5174 "function ardour () end"
5177 lua_State* L = lua.getState();
5180 luabridge::LuaRef lua_sess = luabridge::getGlobal (L, "sess");
5181 lua.do_command ("sess = nil"); // hide it.
5182 lua.do_command ("collectgarbage()");
5184 _lua_run = new luabridge::LuaRef(lua_sess["run"]);
5185 _lua_add = new luabridge::LuaRef(lua_sess["add"]);
5186 _lua_del = new luabridge::LuaRef(lua_sess["remove"]);
5187 _lua_list = new luabridge::LuaRef(lua_sess["list"]);
5188 _lua_save = new luabridge::LuaRef(lua_sess["save"]);
5189 _lua_load = new luabridge::LuaRef(lua_sess["restore"]);
5190 _lua_cleanup = new luabridge::LuaRef(lua_sess["cleanup"]);
5191 } catch (luabridge::LuaException const& e) {
5192 fatal << string_compose (_("programming error: %1"),
5193 X_("Failed to setup Lua interpreter"))
5195 abort(); /*NOTREACHED*/
5198 LuaBindings::stddef (L);
5199 LuaBindings::common (L);
5200 LuaBindings::dsp (L);
5201 luabridge::push <Session *> (L, this);
5202 lua_setglobal (L, "Session");
5206 Session::scripts_changed ()
5208 assert (!lua_lock.trylock()); // must hold lua_lock
5211 luabridge::LuaRef list ((*_lua_list)());
5213 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5214 if (!i.key ().isString ()) { assert(0); continue; }
5217 _n_lua_scripts = cnt;
5218 } catch (luabridge::LuaException const& e) {
5219 fatal << string_compose (_("programming error: %1"),
5220 X_("Indexing Lua Session Scripts failed."))
5222 abort(); /*NOTREACHED*/
5227 Session::non_realtime_set_audition ()
5229 assert (pending_audition_region);
5230 auditioner->audition_region (pending_audition_region);
5231 pending_audition_region.reset ();
5232 AuditionActive (true); /* EMIT SIGNAL */
5236 Session::audition_region (boost::shared_ptr<Region> r)
5238 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5244 Session::cancel_audition ()
5249 if (auditioner->auditioning()) {
5250 auditioner->cancel_audition ();
5251 AuditionActive (false); /* EMIT SIGNAL */
5256 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
5258 if (a->is_monitor()) {
5261 if (b->is_monitor()) {
5264 return a->order_key () < b->order_key ();
5268 Session::is_auditioning () const
5270 /* can be called before we have an auditioner object */
5272 return auditioner->auditioning();
5279 Session::graph_reordered ()
5281 /* don't do this stuff if we are setting up connections
5282 from a set_state() call or creating new tracks. Ditto for deletion.
5285 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _reconnecting_routes_in_progress || _route_deletion_in_progress) {
5289 /* every track/bus asked for this to be handled but it was deferred because
5290 we were connecting. do it now.
5293 request_input_change_handling ();
5297 /* force all diskstreams to update their capture offset values to
5298 reflect any changes in latencies within the graph.
5301 boost::shared_ptr<RouteList> rl = routes.reader ();
5302 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5303 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5305 tr->set_capture_offset ();
5310 /** @return Number of frames that there is disk space available to write,
5313 boost::optional<framecnt_t>
5314 Session::available_capture_duration ()
5316 Glib::Threads::Mutex::Lock lm (space_lock);
5318 if (_total_free_4k_blocks_uncertain) {
5319 return boost::optional<framecnt_t> ();
5322 float sample_bytes_on_disk = 4.0; // keep gcc happy
5324 switch (config.get_native_file_data_format()) {
5326 sample_bytes_on_disk = 4.0;
5330 sample_bytes_on_disk = 3.0;
5334 sample_bytes_on_disk = 2.0;
5338 /* impossible, but keep some gcc versions happy */
5339 fatal << string_compose (_("programming error: %1"),
5340 X_("illegal native file data format"))
5342 abort(); /*NOTREACHED*/
5345 double scale = 4096.0 / sample_bytes_on_disk;
5347 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
5348 return max_framecnt;
5351 return (framecnt_t) floor (_total_free_4k_blocks * scale);
5355 Session::add_bundle (boost::shared_ptr<Bundle> bundle, bool emit_signal)
5358 RCUWriter<BundleList> writer (_bundles);
5359 boost::shared_ptr<BundleList> b = writer.get_copy ();
5360 b->push_back (bundle);
5364 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5371 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
5373 bool removed = false;
5376 RCUWriter<BundleList> writer (_bundles);
5377 boost::shared_ptr<BundleList> b = writer.get_copy ();
5378 BundleList::iterator i = find (b->begin(), b->end(), bundle);
5380 if (i != b->end()) {
5387 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5393 boost::shared_ptr<Bundle>
5394 Session::bundle_by_name (string name) const
5396 boost::shared_ptr<BundleList> b = _bundles.reader ();
5398 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
5399 if ((*i)->name() == name) {
5404 return boost::shared_ptr<Bundle> ();
5408 Session::tempo_map_changed (const PropertyChange&)
5412 playlists->update_after_tempo_map_change ();
5414 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
5420 Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
5422 for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
5423 (*i)->recompute_frames_from_bbt ();
5427 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
5428 * the given count with the current block size.
5431 Session::ensure_buffers (ChanCount howmany)
5433 BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
5437 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
5439 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5440 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
5445 Session::next_insert_id ()
5447 /* this doesn't really loop forever. just think about it */
5450 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
5451 if (!insert_bitset[n]) {
5452 insert_bitset[n] = true;
5458 /* none available, so resize and try again */
5460 insert_bitset.resize (insert_bitset.size() + 16, false);
5465 Session::next_send_id ()
5467 /* this doesn't really loop forever. just think about it */
5470 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
5471 if (!send_bitset[n]) {
5472 send_bitset[n] = true;
5478 /* none available, so resize and try again */
5480 send_bitset.resize (send_bitset.size() + 16, false);
5485 Session::next_aux_send_id ()
5487 /* this doesn't really loop forever. just think about it */
5490 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < aux_send_bitset.size(); ++n) {
5491 if (!aux_send_bitset[n]) {
5492 aux_send_bitset[n] = true;
5498 /* none available, so resize and try again */
5500 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
5505 Session::next_return_id ()
5507 /* this doesn't really loop forever. just think about it */
5510 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < return_bitset.size(); ++n) {
5511 if (!return_bitset[n]) {
5512 return_bitset[n] = true;
5518 /* none available, so resize and try again */
5520 return_bitset.resize (return_bitset.size() + 16, false);
5525 Session::mark_send_id (uint32_t id)
5527 if (id >= send_bitset.size()) {
5528 send_bitset.resize (id+16, false);
5530 if (send_bitset[id]) {
5531 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
5533 send_bitset[id] = true;
5537 Session::mark_aux_send_id (uint32_t id)
5539 if (id >= aux_send_bitset.size()) {
5540 aux_send_bitset.resize (id+16, false);
5542 if (aux_send_bitset[id]) {
5543 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
5545 aux_send_bitset[id] = true;
5549 Session::mark_return_id (uint32_t id)
5551 if (id >= return_bitset.size()) {
5552 return_bitset.resize (id+16, false);
5554 if (return_bitset[id]) {
5555 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
5557 return_bitset[id] = true;
5561 Session::mark_insert_id (uint32_t id)
5563 if (id >= insert_bitset.size()) {
5564 insert_bitset.resize (id+16, false);
5566 if (insert_bitset[id]) {
5567 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
5569 insert_bitset[id] = true;
5573 Session::unmark_send_id (uint32_t id)
5575 if (id < send_bitset.size()) {
5576 send_bitset[id] = false;
5581 Session::unmark_aux_send_id (uint32_t id)
5583 if (id < aux_send_bitset.size()) {
5584 aux_send_bitset[id] = false;
5589 Session::unmark_return_id (uint32_t id)
5591 if (_state_of_the_state & Deletion) { return; }
5592 if (id < return_bitset.size()) {
5593 return_bitset[id] = false;
5598 Session::unmark_insert_id (uint32_t id)
5600 if (id < insert_bitset.size()) {
5601 insert_bitset[id] = false;
5606 Session::reset_native_file_format ()
5608 boost::shared_ptr<RouteList> rl = routes.reader ();
5610 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5611 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5613 /* don't save state as we do this, there's no point
5615 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
5616 tr->reset_write_sources (false);
5617 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
5623 Session::route_name_unique (string n) const
5625 boost::shared_ptr<RouteList> r = routes.reader ();
5627 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5628 if ((*i)->name() == n) {
5637 Session::route_name_internal (string n) const
5639 if (auditioner && auditioner->name() == n) {
5643 if (_click_io && _click_io->name() == n) {
5651 Session::freeze_all (InterThreadInfo& itt)
5653 boost::shared_ptr<RouteList> r = routes.reader ();
5655 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5657 boost::shared_ptr<Track> t;
5659 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
5660 /* XXX this is wrong because itt.progress will keep returning to zero at the start
5670 boost::shared_ptr<Region>
5671 Session::write_one_track (Track& track, framepos_t start, framepos_t end,
5672 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
5673 InterThreadInfo& itt,
5674 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
5675 bool for_export, bool for_freeze)
5677 boost::shared_ptr<Region> result;
5678 boost::shared_ptr<Playlist> playlist;
5679 boost::shared_ptr<Source> source;
5680 ChanCount diskstream_channels (track.n_channels());
5681 framepos_t position;
5682 framecnt_t this_chunk;
5684 framepos_t latency_skip;
5686 framepos_t len = end - start;
5687 bool need_block_size_reset = false;
5688 ChanCount const max_proc = track.max_processor_streams ();
5689 string legal_playlist_name;
5690 string possible_path;
5693 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
5694 end, start) << endmsg;
5698 diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
5699 include_endpoint, for_export, for_freeze);
5701 if (diskstream_channels.n(track.data_type()) < 1) {
5702 error << _("Cannot write a range with no data.") << endmsg;
5706 // block all process callback handling
5708 block_processing ();
5711 // synchronize with AudioEngine::process_callback()
5712 // make sure processing is not currently running
5713 // and processing_blocked() is honored before
5714 // acquiring thread buffers
5715 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
5718 _bounce_processing_active = true;
5720 /* call tree *MUST* hold route_lock */
5722 if ((playlist = track.playlist()) == 0) {
5726 legal_playlist_name = legalize_for_path (playlist->name());
5728 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n(track.data_type()); ++chan_n) {
5730 string base_name = string_compose ("%1-%2-bounce", playlist->name(), chan_n);
5731 string path = ((track.data_type() == DataType::AUDIO)
5732 ? new_audio_source_path (legal_playlist_name, diskstream_channels.n_audio(), chan_n, false, true)
5733 : new_midi_source_path (legal_playlist_name));
5740 source = SourceFactory::createWritable (track.data_type(), *this, path, false, frame_rate());
5743 catch (failed_constructor& err) {
5744 error << string_compose (_("cannot create new file \"%1\" for %2"), path, track.name()) << endmsg;
5748 srcs.push_back (source);
5751 /* tell redirects that care that we are about to use a much larger
5752 * blocksize. this will flush all plugins too, so that they are ready
5753 * to be used for this process.
5756 need_block_size_reset = true;
5757 track.set_block_size (bounce_chunk_size);
5758 _engine.main_thread()->get_buffers ();
5762 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5764 /* create a set of reasonably-sized buffers */
5765 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5766 buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
5768 buffers.set_count (max_proc);
5770 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5771 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5772 boost::shared_ptr<MidiSource> ms;
5774 afs->prepare_for_peakfile_writes ();
5775 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5776 Source::Lock lock(ms->mutex());
5777 ms->mark_streaming_write_started(lock);
5781 while (to_do && !itt.cancel) {
5783 this_chunk = min (to_do, bounce_chunk_size);
5785 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
5789 start += this_chunk;
5790 to_do -= this_chunk;
5791 itt.progress = (float) (1.0 - ((double) to_do / len));
5793 if (latency_skip >= bounce_chunk_size) {
5794 latency_skip -= bounce_chunk_size;
5798 const framecnt_t current_chunk = this_chunk - latency_skip;
5801 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5802 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5803 boost::shared_ptr<MidiSource> ms;
5806 if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
5809 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5810 Source::Lock lock(ms->mutex());
5812 const MidiBuffer& buf = buffers.get_midi(0);
5813 for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
5814 Evoral::Event<framepos_t> ev = *i;
5815 ev.set_time(ev.time() - position);
5816 ms->append_event_frames(lock, ev, ms->timeline_position());
5823 /* post-roll, pick up delayed processor output */
5824 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5826 while (latency_skip && !itt.cancel) {
5827 this_chunk = min (latency_skip, bounce_chunk_size);
5828 latency_skip -= this_chunk;
5830 buffers.silence (this_chunk, 0);
5831 track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
5834 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5835 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5838 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
5850 xnow = localtime (&now);
5852 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
5853 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5854 boost::shared_ptr<MidiSource> ms;
5857 afs->update_header (position, *xnow, now);
5858 afs->flush_header ();
5859 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5860 Source::Lock lock(ms->mutex());
5861 ms->mark_streaming_write_completed(lock);
5865 /* construct a region to represent the bounced material */
5869 plist.add (Properties::start, 0);
5870 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
5871 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
5873 result = RegionFactory::create (srcs, plist);
5879 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5880 (*src)->mark_for_remove ();
5881 (*src)->drop_references ();
5885 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5886 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5889 afs->done_with_peakfile_writes ();
5893 _bounce_processing_active = false;
5895 if (need_block_size_reset) {
5896 _engine.main_thread()->drop_buffers ();
5897 track.set_block_size (get_block_size());
5900 unblock_processing ();
5906 Session::gain_automation_buffer() const
5908 return ProcessThread::gain_automation_buffer ();
5912 Session::trim_automation_buffer() const
5914 return ProcessThread::trim_automation_buffer ();
5918 Session::send_gain_automation_buffer() const
5920 return ProcessThread::send_gain_automation_buffer ();
5924 Session::pan_automation_buffer() const
5926 return ProcessThread::pan_automation_buffer ();
5930 Session::get_silent_buffers (ChanCount count)
5932 return ProcessThread::get_silent_buffers (count);
5936 Session::get_scratch_buffers (ChanCount count, bool silence)
5938 return ProcessThread::get_scratch_buffers (count, silence);
5942 Session::get_noinplace_buffers (ChanCount count)
5944 return ProcessThread::get_noinplace_buffers (count);
5948 Session::get_route_buffers (ChanCount count, bool silence)
5950 return ProcessThread::get_route_buffers (count, silence);
5955 Session::get_mix_buffers (ChanCount count)
5957 return ProcessThread::get_mix_buffers (count);
5961 Session::ntracks () const
5964 boost::shared_ptr<RouteList> r = routes.reader ();
5966 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5967 if (boost::dynamic_pointer_cast<Track> (*i)) {
5976 Session::nbusses () const
5979 boost::shared_ptr<RouteList> r = routes.reader ();
5981 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5982 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
5991 Session::add_automation_list(AutomationList *al)
5993 automation_lists[al->id()] = al;
5996 /** @return true if there is at least one record-enabled track, otherwise false */
5998 Session::have_rec_enabled_track () const
6000 return g_atomic_int_get (const_cast<gint*>(&_have_rec_enabled_track)) == 1;
6004 Session::have_rec_disabled_track () const
6006 return g_atomic_int_get (const_cast<gint*>(&_have_rec_disabled_track)) == 1;
6009 /** Update the state of our rec-enabled tracks flag */
6011 Session::update_route_record_state ()
6013 boost::shared_ptr<RouteList> rl = routes.reader ();
6014 RouteList::iterator i = rl->begin();
6015 while (i != rl->end ()) {
6017 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6018 if (tr && tr->record_enabled ()) {
6025 int const old = g_atomic_int_get (&_have_rec_enabled_track);
6027 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
6029 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
6030 RecordStateChanged (); /* EMIT SIGNAL */
6033 for (i = rl->begin(); i != rl->end (); ++i) {
6034 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6035 if (tr && !tr->record_enabled ()) {
6040 g_atomic_int_set (&_have_rec_disabled_track, i != rl->end () ? 1 : 0);
6042 bool record_arm_state_changed = (old != g_atomic_int_get (&_have_rec_enabled_track) );
6044 if (record_status() == Recording && record_arm_state_changed ) {
6045 RecordArmStateChanged ();
6051 Session::listen_position_changed ()
6053 boost::shared_ptr<RouteList> r = routes.reader ();
6055 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6056 (*i)->listen_position_changed ();
6061 Session::solo_control_mode_changed ()
6063 /* cancel all solo or all listen when solo control mode changes */
6066 set_solo (get_routes(), false);
6067 } else if (listening()) {
6068 set_listen (get_routes(), false);
6072 /** Called when a property of one of our route groups changes */
6074 Session::route_group_property_changed (RouteGroup* rg)
6076 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
6079 /** Called when a route is added to one of our route groups */
6081 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6083 RouteAddedToRouteGroup (rg, r);
6086 /** Called when a route is removed from one of our route groups */
6088 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
6090 update_route_record_state ();
6091 RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
6094 boost::shared_ptr<RouteList>
6095 Session::get_tracks () const
6097 boost::shared_ptr<RouteList> rl = routes.reader ();
6098 boost::shared_ptr<RouteList> tl (new RouteList);
6100 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
6101 if (boost::dynamic_pointer_cast<Track> (*r)) {
6102 if (!(*r)->is_auditioner()) {
6110 boost::shared_ptr<RouteList>
6111 Session::get_routes_with_regions_at (framepos_t const p) const
6113 boost::shared_ptr<RouteList> r = routes.reader ();
6114 boost::shared_ptr<RouteList> rl (new RouteList);
6116 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6117 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6122 boost::shared_ptr<Playlist> pl = tr->playlist ();
6127 if (pl->has_region_at (p)) {
6136 Session::goto_end ()
6138 if (_session_range_location) {
6139 request_locate (_session_range_location->end(), false);
6141 request_locate (0, false);
6146 Session::goto_start ()
6148 if (_session_range_location) {
6149 request_locate (_session_range_location->start(), false);
6151 request_locate (0, false);
6156 Session::current_start_frame () const
6158 return _session_range_location ? _session_range_location->start() : 0;
6162 Session::current_end_frame () const
6164 return _session_range_location ? _session_range_location->end() : 0;
6168 Session::set_session_range_location (framepos_t start, framepos_t end)
6170 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange);
6171 _locations->add (_session_range_location);
6175 Session::step_edit_status_change (bool yn)
6181 send = (_step_editors == 0);
6186 send = (_step_editors == 1);
6189 if (_step_editors > 0) {
6195 StepEditStatusChange (val);
6201 Session::start_time_changed (framepos_t old)
6203 /* Update the auto loop range to match the session range
6204 (unless the auto loop range has been changed by the user)
6207 Location* s = _locations->session_range_location ();
6212 Location* l = _locations->auto_loop_location ();
6214 if (l && l->start() == old) {
6215 l->set_start (s->start(), true);
6220 Session::end_time_changed (framepos_t old)
6222 /* Update the auto loop range to match the session range
6223 (unless the auto loop range has been changed by the user)
6226 Location* s = _locations->session_range_location ();
6231 Location* l = _locations->auto_loop_location ();
6233 if (l && l->end() == old) {
6234 l->set_end (s->end(), true);
6238 std::vector<std::string>
6239 Session::source_search_path (DataType type) const
6243 if (session_dirs.size() == 1) {
6245 case DataType::AUDIO:
6246 sp.push_back (_session_dir->sound_path());
6248 case DataType::MIDI:
6249 sp.push_back (_session_dir->midi_path());
6253 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
6254 SessionDirectory sdir (i->path);
6256 case DataType::AUDIO:
6257 sp.push_back (sdir.sound_path());
6259 case DataType::MIDI:
6260 sp.push_back (sdir.midi_path());
6266 if (type == DataType::AUDIO) {
6267 const string sound_path_2X = _session_dir->sound_path_2X();
6268 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
6269 if (find (sp.begin(), sp.end(), sound_path_2X) == sp.end()) {
6270 sp.push_back (sound_path_2X);
6275 // now check the explicit (possibly user-specified) search path
6278 case DataType::AUDIO:
6279 sp += Searchpath(config.get_audio_search_path ());
6281 case DataType::MIDI:
6282 sp += Searchpath(config.get_midi_search_path ());
6290 Session::ensure_search_path_includes (const string& path, DataType type)
6299 case DataType::AUDIO:
6300 sp += Searchpath(config.get_audio_search_path ());
6302 case DataType::MIDI:
6303 sp += Searchpath (config.get_midi_search_path ());
6307 for (vector<std::string>::iterator i = sp.begin(); i != sp.end(); ++i) {
6308 /* No need to add this new directory if it has the same inode as
6309 an existing one; checking inode rather than name prevents duplicated
6310 directories when we are using symlinks.
6312 On Windows, I think we could just do if (*i == path) here.
6314 if (PBD::equivalent_paths (*i, path)) {
6322 case DataType::AUDIO:
6323 config.set_audio_search_path (sp.to_string());
6325 case DataType::MIDI:
6326 config.set_midi_search_path (sp.to_string());
6332 Session::remove_dir_from_search_path (const string& dir, DataType type)
6337 case DataType::AUDIO:
6338 sp = Searchpath(config.get_audio_search_path ());
6340 case DataType::MIDI:
6341 sp = Searchpath (config.get_midi_search_path ());
6348 case DataType::AUDIO:
6349 config.set_audio_search_path (sp.to_string());
6351 case DataType::MIDI:
6352 config.set_midi_search_path (sp.to_string());
6358 boost::shared_ptr<Speakers>
6359 Session::get_speakers()
6365 Session::unknown_processors () const
6369 boost::shared_ptr<RouteList> r = routes.reader ();
6370 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6371 list<string> t = (*i)->unknown_processors ();
6372 copy (t.begin(), t.end(), back_inserter (p));
6382 Session::update_latency (bool playback)
6384 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
6386 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress) {
6390 boost::shared_ptr<RouteList> r = routes.reader ();
6391 framecnt_t max_latency = 0;
6394 /* reverse the list so that we work backwards from the last route to run to the first */
6395 RouteList* rl = routes.reader().get();
6396 r.reset (new RouteList (*rl));
6397 reverse (r->begin(), r->end());
6400 /* compute actual latency values for the given direction and store them all in per-port
6401 structures. this will also publish the same values (to JACK) so that computation of latency
6402 for routes can consistently use public latency values.
6405 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6406 max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
6409 /* because we latency compensate playback, our published playback latencies should
6410 be the same for all output ports - all material played back by ardour has
6411 the same latency, whether its caused by plugins or by latency compensation. since
6412 these may differ from the values computed above, reset all playback port latencies
6416 DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
6418 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6419 (*i)->set_public_port_latencies (max_latency, playback);
6424 post_playback_latency ();
6428 post_capture_latency ();
6431 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
6435 Session::post_playback_latency ()
6437 set_worst_playback_latency ();
6439 boost::shared_ptr<RouteList> r = routes.reader ();
6441 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6442 if (!(*i)->is_auditioner() && ((*i)->active())) {
6443 _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
6447 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6448 (*i)->set_latency_compensation (_worst_track_latency);
6453 Session::post_capture_latency ()
6455 set_worst_capture_latency ();
6457 /* reflect any changes in capture latencies into capture offsets
6460 boost::shared_ptr<RouteList> rl = routes.reader();
6461 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
6462 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6464 tr->set_capture_offset ();
6470 Session::initialize_latencies ()
6473 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6474 update_latency (false);
6475 update_latency (true);
6478 set_worst_io_latencies ();
6482 Session::set_worst_io_latencies ()
6484 set_worst_playback_latency ();
6485 set_worst_capture_latency ();
6489 Session::set_worst_playback_latency ()
6491 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6495 _worst_output_latency = 0;
6497 if (!_engine.connected()) {
6501 boost::shared_ptr<RouteList> r = routes.reader ();
6503 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6504 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
6507 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
6511 Session::set_worst_capture_latency ()
6513 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6517 _worst_input_latency = 0;
6519 if (!_engine.connected()) {
6523 boost::shared_ptr<RouteList> r = routes.reader ();
6525 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6526 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
6529 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
6533 Session::update_latency_compensation (bool force_whole_graph)
6535 bool some_track_latency_changed = false;
6537 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6541 DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
6543 _worst_track_latency = 0;
6545 boost::shared_ptr<RouteList> r = routes.reader ();
6547 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6548 if (!(*i)->is_auditioner() && ((*i)->active())) {
6550 if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
6551 some_track_latency_changed = true;
6553 _worst_track_latency = max (tl, _worst_track_latency);
6557 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
6558 (some_track_latency_changed ? "yes" : "no")));
6560 DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
6562 if (some_track_latency_changed || force_whole_graph) {
6563 _engine.update_latencies ();
6567 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6568 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6572 tr->set_capture_offset ();
6577 Session::session_name_is_legal (const string& path)
6579 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
6581 for (int i = 0; illegal_chars[i]; ++i) {
6582 if (path.find (illegal_chars[i]) != string::npos) {
6583 return illegal_chars[i];
6591 Session::next_control_id () const
6595 /* the monitor bus remote ID is in a different
6596 * "namespace" than regular routes. its existence doesn't
6597 * affect normal (low) numbered routes.
6604 /* the same about masterbus in Waves Tracks */
6606 if (Profile->get_trx() && _master_out) {
6610 return nroutes() - subtract;
6614 Session::notify_remote_id_change ()
6616 if (deletion_in_progress()) {
6620 switch (Config->get_remote_model()) {
6622 Route::RemoteControlIDChange (); /* EMIT SIGNAL */
6628 #ifdef USE_TRACKS_CODE_FEATURES
6629 /* Waves Tracks: for Waves Tracks session it's required to reconnect their IOs
6630 * if track order has been changed by user
6632 reconnect_existing_routes(true, true);
6638 Session::sync_order_keys ()
6640 if (deletion_in_progress()) {
6644 /* tell everyone that something has happened to the sort keys
6645 and let them sync up with the change(s)
6646 this will give objects that manage the sort order keys the
6647 opportunity to keep them in sync if they wish to.
6650 DEBUG_TRACE (DEBUG::OrderKeys, "Sync Order Keys.\n");
6652 reassign_track_numbers();
6654 Route::SyncOrderKeys (); /* EMIT SIGNAL */
6656 DEBUG_TRACE (DEBUG::OrderKeys, "\tsync done\n");
6660 Session::operation_in_progress (GQuark op) const
6662 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
6665 boost::shared_ptr<Port>
6666 Session::ltc_input_port () const
6668 return _ltc_input->nth (0);
6671 boost::shared_ptr<Port>
6672 Session::ltc_output_port () const
6674 return _ltc_output->nth (0);
6678 Session::reconnect_ltc_input ()
6682 string src = Config->get_ltc_source_port();
6684 _ltc_input->disconnect (this);
6686 if (src != _("None") && !src.empty()) {
6687 _ltc_input->nth (0)->connect (src);
6690 if ( ARDOUR::Profile->get_trx () ) {
6691 // Tracks need this signal to update timecode_source_dropdown
6692 MtcOrLtcInputPortChanged (); //emit signal
6698 Session::reconnect_ltc_output ()
6702 string src = Config->get_ltc_output_port();
6704 _ltc_output->disconnect (this);
6706 if (src != _("None") && !src.empty()) {
6707 _ltc_output->nth (0)->connect (src);
6713 Session::set_range_selection (framepos_t start, framepos_t end)
6715 _range_selection = Evoral::Range<framepos_t> (start, end);
6716 #ifdef USE_TRACKS_CODE_FEATURES
6717 follow_playhead_priority ();
6722 Session::set_object_selection (framepos_t start, framepos_t end)
6724 _object_selection = Evoral::Range<framepos_t> (start, end);
6725 #ifdef USE_TRACKS_CODE_FEATURES
6726 follow_playhead_priority ();
6731 Session::clear_range_selection ()
6733 _range_selection = Evoral::Range<framepos_t> (-1,-1);
6734 #ifdef USE_TRACKS_CODE_FEATURES
6735 follow_playhead_priority ();
6740 Session::clear_object_selection ()
6742 _object_selection = Evoral::Range<framepos_t> (-1,-1);
6743 #ifdef USE_TRACKS_CODE_FEATURES
6744 follow_playhead_priority ();