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::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
2441 boost::shared_ptr<Route> midi_track (wmt.lock());
2447 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
2449 if (change.after.n_audio() <= change.before.n_audio()) {
2453 /* new audio ports: make sure the audio goes somewhere useful,
2454 unless the user has no-auto-connect selected.
2456 The existing ChanCounts don't matter for this call as they are only
2457 to do with matching input and output indices, and we are only changing
2463 auto_connect_route (midi_track, dummy, dummy, false, false, ChanCount(), change.before);
2467 /** @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
2468 * @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
2469 * @param output_start As \a input_start, but for outputs.
2472 Session::auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
2473 bool with_lock, bool connect_inputs, ChanCount input_start, ChanCount output_start)
2475 if (!IO::connecting_legal) {
2479 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2485 /* If both inputs and outputs are auto-connected to physical ports,
2486 use the max of input and output offsets to ensure auto-connected
2487 port numbers always match up (e.g. the first audio input and the
2488 first audio output of the route will have the same physical
2489 port number). Otherwise just use the lowest input or output
2493 DEBUG_TRACE (DEBUG::Graph,
2494 string_compose("Auto-connect: existing in = %1 out = %2\n",
2495 existing_inputs, existing_outputs));
2497 const bool in_out_physical =
2498 (Config->get_input_auto_connect() & AutoConnectPhysical)
2499 && (Config->get_output_auto_connect() & AutoConnectPhysical)
2502 const ChanCount in_offset = in_out_physical
2503 ? ChanCount::max(existing_inputs, existing_outputs)
2506 const ChanCount out_offset = in_out_physical
2507 ? ChanCount::max(existing_inputs, existing_outputs)
2510 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
2511 vector<string> physinputs;
2512 vector<string> physoutputs;
2514 _engine.get_physical_outputs (*t, physoutputs);
2515 _engine.get_physical_inputs (*t, physinputs);
2517 if (!physinputs.empty() && connect_inputs) {
2518 uint32_t nphysical_in = physinputs.size();
2520 DEBUG_TRACE (DEBUG::Graph,
2521 string_compose("There are %1 physical inputs of type %2\n",
2524 for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
2527 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
2528 DEBUG_TRACE (DEBUG::Graph,
2529 string_compose("Get index %1 + %2 % %3 = %4\n",
2530 in_offset.get(*t), i, nphysical_in,
2531 (in_offset.get(*t) + i) % nphysical_in));
2532 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
2535 DEBUG_TRACE (DEBUG::Graph,
2536 string_compose("Connect route %1 IN to %2\n",
2537 route->name(), port));
2539 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
2543 ChanCount one_added (*t, 1);
2544 existing_inputs += one_added;
2548 if (!physoutputs.empty()) {
2549 uint32_t nphysical_out = physoutputs.size();
2550 for (uint32_t i = output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
2554 * do not create new connections if we reached the limit of physical outputs
2558 if (!(Config->get_output_auto_connect() & AutoConnectMaster) &&
2559 ARDOUR::Profile->get_trx () &&
2560 existing_outputs.get(*t) == nphysical_out ) {
2564 if ((*t) == DataType::MIDI && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
2565 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
2566 } else if ((*t) == DataType::AUDIO && (Config->get_output_auto_connect() & AutoConnectMaster)) {
2567 /* master bus is audio only */
2568 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
2569 port = _master_out->input()->ports().port(*t,
2570 i % _master_out->input()->n_ports().get(*t))->name();
2574 DEBUG_TRACE (DEBUG::Graph,
2575 string_compose("Connect route %1 OUT to %2\n",
2576 route->name(), port));
2578 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
2582 ChanCount one_added (*t, 1);
2583 existing_outputs += one_added;
2589 #ifdef USE_TRACKS_CODE_FEATURES
2592 compare_routes_by_remote_id (const boost::shared_ptr<Route>& route1, const boost::shared_ptr<Route>& route2)
2594 return route1->remote_control_id() < route2->remote_control_id();
2598 Session::reconnect_existing_routes (bool withLock, bool reconnect_master, bool reconnect_inputs, bool reconnect_outputs)
2600 // it is not allowed to perform connection
2601 if (!IO::connecting_legal) {
2605 // if we are deleting routes we will call this once at the end
2606 if (_route_deletion_in_progress) {
2610 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2616 // We need to disconnect the route's inputs and outputs first
2617 // basing on autoconnect configuration
2618 bool reconnectIputs = !(Config->get_input_auto_connect() & ManualConnect) && reconnect_inputs;
2619 bool reconnectOutputs = !(Config->get_output_auto_connect() & ManualConnect) && reconnect_outputs;
2621 ChanCount existing_inputs;
2622 ChanCount existing_outputs;
2623 count_existing_track_channels (existing_inputs, existing_outputs);
2625 //ChanCount inputs = ChanCount::ZERO;
2626 //ChanCount outputs = ChanCount::ZERO;
2628 RouteList existing_routes = *routes.reader ();
2629 existing_routes.sort (compare_routes_by_remote_id);
2632 PBD::Unwinder<bool> protect_ignore_changes (_reconnecting_routes_in_progress, true);
2634 vector<string> physinputs;
2635 vector<string> physoutputs;
2637 EngineStateController::instance()->get_physical_audio_outputs(physoutputs);
2638 EngineStateController::instance()->get_physical_audio_inputs(physinputs);
2640 uint32_t input_n = 0;
2641 uint32_t output_n = 0;
2642 RouteList::iterator rIter = existing_routes.begin();
2643 const AutoConnectOption current_input_auto_connection (Config->get_input_auto_connect());
2644 const AutoConnectOption current_output_auto_connection (Config->get_output_auto_connect());
2645 for (; rIter != existing_routes.end(); ++rIter) {
2646 if (*rIter == _master_out || *rIter == _monitor_out ) {
2650 if (current_output_auto_connection == AutoConnectPhysical) {
2651 (*rIter)->amp()->deactivate();
2652 } else if (current_output_auto_connection == AutoConnectMaster) {
2653 (*rIter)->amp()->activate();
2656 if (reconnectIputs) {
2657 (*rIter)->input()->disconnect (this); //GZ: check this; could be heavy
2659 for (uint32_t route_input_n = 0; route_input_n < (*rIter)->n_inputs().get(DataType::AUDIO); ++route_input_n) {
2661 if (current_input_auto_connection & AutoConnectPhysical) {
2663 if ( input_n == physinputs.size() ) {
2667 string port = physinputs[input_n];
2669 if (port.empty() ) {
2670 error << "Physical Input number "<< input_n << " is unavailable and cannot be connected" << endmsg;
2673 //GZ: check this; could be heavy
2674 (*rIter)->input()->connect ((*rIter)->input()->ports().port(DataType::AUDIO, route_input_n), port, this);
2680 if (reconnectOutputs) {
2682 //normalize route ouptuts: reduce the amount outputs to be equal to the amount of inputs
2683 if (current_output_auto_connection & AutoConnectPhysical) {
2685 //GZ: check this; could be heavy
2686 (*rIter)->output()->disconnect (this);
2687 size_t route_inputs_count = (*rIter)->n_inputs().get(DataType::AUDIO);
2689 //GZ: check this; could be heavy
2690 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, route_inputs_count), false, this );
2692 } else if (current_output_auto_connection & AutoConnectMaster){
2694 if (!reconnect_master) {
2698 //GZ: check this; could be heavy
2699 (*rIter)->output()->disconnect (this);
2702 uint32_t master_inputs_count = _master_out->n_inputs().get(DataType::AUDIO);
2703 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, master_inputs_count), false, this );
2705 error << error << "Master bus is not available" << endmsg;
2710 for (uint32_t route_output_n = 0; route_output_n < (*rIter)->n_outputs().get(DataType::AUDIO); ++route_output_n) {
2711 if (current_output_auto_connection & AutoConnectPhysical) {
2713 if ( output_n == physoutputs.size() ) {
2717 string port = physoutputs[output_n];
2719 if (port.empty() ) {
2720 error << "Physical Output number "<< output_n << " is unavailable and cannot be connected" << endmsg;
2723 //GZ: check this; could be heavy
2724 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2727 } else if (current_output_auto_connection & AutoConnectMaster) {
2729 if ( route_output_n == _master_out->n_inputs().get(DataType::AUDIO) ) {
2733 // connect to master bus
2734 string port = _master_out->input()->ports().port(DataType::AUDIO, route_output_n)->name();
2736 if (port.empty() ) {
2737 error << "MasterBus Input number "<< route_output_n << " is unavailable and cannot be connected" << endmsg;
2741 //GZ: check this; could be heavy
2742 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2748 //auto_connect_route (*rIter, inputs, outputs, false, reconnectIputs);
2751 _master_out->output()->disconnect (this);
2752 auto_connect_master_bus ();
2757 session_routes_reconnected (); /* EMIT SIGNAL */
2761 Session::reconnect_midi_scene_ports(bool inputs)
2765 boost::shared_ptr<MidiPort> scene_in_ptr = scene_in();
2767 scene_in_ptr->disconnect_all ();
2769 std::vector<EngineStateController::MidiPortState> midi_port_states;
2770 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2772 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2774 for (; state_iter != midi_port_states.end(); ++state_iter) {
2775 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2776 scene_in_ptr->connect (state_iter->name);
2783 boost::shared_ptr<MidiPort> scene_out_ptr = scene_out();
2785 if (scene_out_ptr ) {
2786 scene_out_ptr->disconnect_all ();
2788 std::vector<EngineStateController::MidiPortState> midi_port_states;
2789 EngineStateController::instance()->get_physical_midi_output_states (midi_port_states);
2791 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2793 for (; state_iter != midi_port_states.end(); ++state_iter) {
2794 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2795 scene_out_ptr->connect (state_iter->name);
2803 Session::reconnect_mtc_ports ()
2805 boost::shared_ptr<MidiPort> mtc_in_ptr = _midi_ports->mtc_input_port();
2811 mtc_in_ptr->disconnect_all ();
2813 std::vector<EngineStateController::MidiPortState> midi_port_states;
2814 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2816 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2818 for (; state_iter != midi_port_states.end(); ++state_iter) {
2819 if (state_iter->available && state_iter->mtc_in) {
2820 mtc_in_ptr->connect (state_iter->name);
2824 if (!_midi_ports->mtc_input_port ()->connected () &&
2825 config.get_external_sync () &&
2826 (Config->get_sync_source () == MTC) ) {
2827 config.set_external_sync (false);
2830 if ( ARDOUR::Profile->get_trx () ) {
2831 // Tracks need this signal to update timecode_source_dropdown
2832 MtcOrLtcInputPortChanged (); //emit signal
2837 Session::reconnect_mmc_ports(bool inputs)
2839 if (inputs ) { // get all enabled midi input ports
2841 boost::shared_ptr<MidiPort> mmc_in_ptr = _midi_ports->mmc_in();
2843 mmc_in_ptr->disconnect_all ();
2844 std::vector<std::string> enabled_midi_inputs;
2845 EngineStateController::instance()->get_physical_midi_inputs (enabled_midi_inputs);
2847 std::vector<std::string>::iterator port_iter = enabled_midi_inputs.begin();
2849 for (; port_iter != enabled_midi_inputs.end(); ++port_iter) {
2850 mmc_in_ptr->connect (*port_iter);
2854 } else { // get all enabled midi output ports
2856 boost::shared_ptr<MidiPort> mmc_out_ptr = _midi_ports->mmc_out();
2858 mmc_out_ptr->disconnect_all ();
2859 std::vector<std::string> enabled_midi_outputs;
2860 EngineStateController::instance()->get_physical_midi_outputs (enabled_midi_outputs);
2862 std::vector<std::string>::iterator port_iter = enabled_midi_outputs.begin();
2864 for (; port_iter != enabled_midi_outputs.end(); ++port_iter) {
2865 mmc_out_ptr->connect (*port_iter);
2873 /** Caller must not hold process lock
2874 * @param name_template string to use for the start of the name, or "" to use "Audio".
2876 list< boost::shared_ptr<AudioTrack> >
2877 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode, RouteGroup* route_group,
2878 uint32_t how_many, string name_template)
2881 uint32_t track_id = 0;
2883 RouteList new_routes;
2884 list<boost::shared_ptr<AudioTrack> > ret;
2886 const string name_pattern = default_track_name_pattern (DataType::AUDIO);
2887 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2891 if (!find_route_name (name_template.empty() ? _(name_pattern.c_str()) : name_template, ++track_id, track_name, use_number)) {
2892 error << "cannot find name for new audio track" << endmsg;
2896 boost::shared_ptr<AudioTrack> track;
2899 track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
2901 if (track->init ()) {
2905 if (ARDOUR::Profile->get_trx ()) {
2906 // TRACKS considers it's not a USE CASE, it's
2907 // a piece of behavior of the session model:
2909 // Gain for a newly created route depends on
2910 // the current output_auto_connect mode:
2912 // 0 for Stereo Out mode
2914 if (Config->get_output_auto_connect() & AutoConnectMaster) {
2915 track->set_gain (dB_to_coefficient (0), Controllable::NoGroup);
2919 track->use_new_diskstream();
2921 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2922 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
2925 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2927 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
2928 error << string_compose (
2929 _("cannot configure %1 in/%2 out configuration for new audio track"),
2930 input_channels, output_channels)
2935 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
2936 error << string_compose (
2937 _("cannot configure %1 in/%2 out configuration for new audio track"),
2938 input_channels, output_channels)
2945 route_group->add (track);
2948 track->non_realtime_input_change();
2950 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
2951 if (Config->get_remote_model() == UserOrdered) {
2952 track->set_remote_control_id (next_control_id());
2955 new_routes.push_back (track);
2956 ret.push_back (track);
2958 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2961 catch (failed_constructor &err) {
2962 error << _("Session: could not create new audio track.") << endmsg;
2966 catch (AudioEngine::PortRegistrationFailure& pfe) {
2968 error << pfe.what() << endmsg;
2976 if (!new_routes.empty()) {
2977 StateProtector sp (this);
2978 if (Profile->get_trx()) {
2979 add_routes (new_routes, false, false, false);
2981 add_routes (new_routes, true, true, false);
2988 /** Caller must not hold process lock.
2989 * @param name_template string to use for the start of the name, or "" to use "Bus".
2992 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template)
2995 uint32_t bus_id = 0;
2999 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
3002 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, use_number)) {
3003 error << "cannot find name for new audio bus" << endmsg;
3008 boost::shared_ptr<Route> bus (new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO));
3014 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
3015 // boost_debug_shared_ptr_mark_interesting (bus.get(), "Route");
3018 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3020 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
3021 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3022 input_channels, output_channels)
3028 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
3029 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
3030 input_channels, output_channels)
3037 route_group->add (bus);
3039 if (Config->get_remote_model() == UserOrdered) {
3040 bus->set_remote_control_id (next_control_id());
3043 bus->add_internal_return ();
3045 ret.push_back (bus);
3047 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3053 catch (failed_constructor &err) {
3054 error << _("Session: could not create new audio route.") << endmsg;
3058 catch (AudioEngine::PortRegistrationFailure& pfe) {
3059 error << pfe.what() << endmsg;
3069 StateProtector sp (this);
3070 if (Profile->get_trx()) {
3071 add_routes (ret, false, false, false);
3073 add_routes (ret, false, true, true); // autoconnect // outputs only
3082 Session::new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name_base, PlaylistDisposition pd)
3086 if (!tree.read (template_path.c_str())) {
3090 return new_route_from_template (how_many, *tree.root(), name_base, pd);
3094 Session::new_route_from_template (uint32_t how_many, XMLNode& node, const std::string& name_base, PlaylistDisposition pd)
3097 uint32_t control_id;
3098 uint32_t number = 0;
3099 const uint32_t being_added = how_many;
3100 /* This will prevent the use of any existing XML-provided PBD::ID
3103 Stateful::ForceIDRegeneration force_ids;
3104 IO::disable_connecting ();
3106 control_id = next_control_id ();
3110 /* We're going to modify the node contents a bit so take a
3111 * copy. The node may be re-used when duplicating more than once.
3114 XMLNode node_copy (node);
3119 if (!name_base.empty()) {
3121 /* if we're adding more than one routes, force
3122 * all the names of the new routes to be
3123 * numbered, via the final parameter.
3126 if (!find_route_name (name_base.c_str(), ++number, name, (being_added > 1))) {
3127 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3133 string const route_name = node_copy.property(X_("name"))->value ();
3135 /* generate a new name by adding a number to the end of the template name */
3136 if (!find_route_name (route_name.c_str(), ++number, name, true)) {
3137 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3138 abort(); /*NOTREACHED*/
3142 /* set this name in the XML description that we are about to use */
3144 bool rename_playlist;
3147 rename_playlist = true;
3151 rename_playlist = false;
3154 Route::set_name_in_state (node_copy, name, rename_playlist);
3156 /* trim bitslots from listen sends so that new ones are used */
3157 XMLNodeList children = node_copy.children ();
3158 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
3159 if ((*i)->name() == X_("Processor")) {
3160 XMLProperty* role = (*i)->property (X_("role"));
3161 if (role && role->value() == X_("Listen")) {
3162 (*i)->remove_property (X_("bitslot"));
3167 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
3170 error << _("Session: cannot create track/bus from template description") << endmsg;
3174 if (boost::dynamic_pointer_cast<Track>(route)) {
3175 /* force input/output change signals so that the new diskstream
3176 picks up the configuration of the route. During session
3177 loading this normally happens in a different way.
3180 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3182 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
3183 change.after = route->input()->n_ports();
3184 route->input()->changed (change, this);
3185 change.after = route->output()->n_ports();
3186 route->output()->changed (change, this);
3189 route->set_remote_control_id (control_id);
3192 boost::shared_ptr<Track> track;
3194 if ((track = boost::dynamic_pointer_cast<Track> (route))) {
3197 track->use_new_playlist ();
3200 track->use_copy_playlist ();
3207 ret.push_back (route);
3209 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3212 catch (failed_constructor &err) {
3213 error << _("Session: could not create new route from template") << endmsg;
3217 catch (AudioEngine::PortRegistrationFailure& pfe) {
3218 error << pfe.what() << endmsg;
3227 StateProtector sp (this);
3228 if (Profile->get_trx()) {
3229 add_routes (ret, false, false, false);
3231 add_routes (ret, true, true, false);
3233 IO::enable_connecting ();
3240 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save)
3243 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
3244 add_routes_inner (new_routes, input_auto_connect, output_auto_connect);
3247 error << _("Adding new tracks/busses failed") << endmsg;
3252 update_latency (true);
3253 update_latency (false);
3258 save_state (_current_snapshot_name);
3261 reassign_track_numbers();
3263 update_route_record_state ();
3265 RouteAdded (new_routes); /* EMIT SIGNAL */
3269 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect)
3271 ChanCount existing_inputs;
3272 ChanCount existing_outputs;
3273 uint32_t order = next_control_id();
3275 if (_order_hint > -1) {
3276 order = _order_hint;
3280 count_existing_track_channels (existing_inputs, existing_outputs);
3283 RCUWriter<RouteList> writer (routes);
3284 boost::shared_ptr<RouteList> r = writer.get_copy ();
3285 r->insert (r->end(), new_routes.begin(), new_routes.end());
3287 /* if there is no control out and we're not in the middle of loading,
3288 resort the graph here. if there is a control out, we will resort
3289 toward the end of this method. if we are in the middle of loading,
3290 we will resort when done.
3293 if (!_monitor_out && IO::connecting_legal) {
3294 resort_routes_using (r);
3298 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3300 boost::weak_ptr<Route> wpr (*x);
3301 boost::shared_ptr<Route> r (*x);
3303 r->listen_changed.connect_same_thread (*this, boost::bind (&Session::route_listen_changed, this, _1, wpr));
3304 r->solo_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2, wpr));
3305 r->solo_isolated_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, wpr));
3306 r->mute_changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this));
3307 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
3308 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
3310 if (r->is_master()) {
3314 if (r->is_monitor()) {
3318 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
3320 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
3321 track_playlist_changed (boost::weak_ptr<Track> (tr));
3322 tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_route_record_state, this));
3324 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
3326 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
3327 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
3332 if (input_auto_connect || output_auto_connect) {
3333 auto_connect_route (r, existing_inputs, existing_outputs, true, input_auto_connect);
3336 /* order keys are a GUI responsibility but we need to set up
3337 reasonable defaults because they also affect the remote control
3338 ID in most situations.
3341 if (!r->has_order_key ()) {
3342 if (r->is_auditioner()) {
3343 /* use an arbitrarily high value */
3344 r->set_order_key (UINT_MAX);
3346 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("while adding, set %1 to order key %2\n", r->name(), order));
3347 r->set_order_key (order);
3355 if (_monitor_out && IO::connecting_legal) {
3356 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
3358 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3359 if ((*x)->is_monitor()) {
3361 } else if ((*x)->is_master()) {
3364 (*x)->enable_monitor_send ();
3371 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
3373 boost::shared_ptr<RouteList> r = routes.reader ();
3374 boost::shared_ptr<Send> s;
3376 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3377 if ((s = (*i)->internal_send_for (dest)) != 0) {
3378 s->amp()->gain_control()->set_value (GAIN_COEFF_ZERO, Controllable::NoGroup);
3384 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
3386 boost::shared_ptr<RouteList> r = routes.reader ();
3387 boost::shared_ptr<Send> s;
3389 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3390 if ((s = (*i)->internal_send_for (dest)) != 0) {
3391 s->amp()->gain_control()->set_value (GAIN_COEFF_UNITY, Controllable::NoGroup);
3397 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
3399 boost::shared_ptr<RouteList> r = routes.reader ();
3400 boost::shared_ptr<Send> s;
3402 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3403 if ((s = (*i)->internal_send_for (dest)) != 0) {
3404 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value(), Controllable::NoGroup);
3409 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
3411 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
3413 boost::shared_ptr<RouteList> r = routes.reader ();
3414 boost::shared_ptr<RouteList> t (new RouteList);
3416 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3417 /* no MIDI sends because there are no MIDI busses yet */
3418 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
3423 add_internal_sends (dest, p, t);
3427 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
3429 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
3430 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
3435 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
3437 add_internal_send (dest, sender->before_processor_for_index (index), sender);
3441 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
3443 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
3447 if (!dest->internal_return()) {
3448 dest->add_internal_return ();
3451 sender->add_aux_send (dest, before);
3458 Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
3460 { // RCU Writer scope
3461 PBD::Unwinder<bool> uw_flag (_route_deletion_in_progress, true);
3462 RCUWriter<RouteList> writer (routes);
3463 boost::shared_ptr<RouteList> rs = writer.get_copy ();
3466 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3468 if (*iter == _master_out) {
3472 (*iter)->set_solo (false, Controllable::NoGroup);
3476 /* deleting the master out seems like a dumb
3477 idea, but its more of a UI policy issue
3481 if (*iter == _master_out) {
3482 _master_out = boost::shared_ptr<Route> ();
3485 if (*iter == _monitor_out) {
3486 _monitor_out.reset ();
3489 // We need to disconnect the route's inputs and outputs
3491 (*iter)->input()->disconnect (0);
3492 (*iter)->output()->disconnect (0);
3494 /* if the route had internal sends sending to it, remove them */
3495 if ((*iter)->internal_return()) {
3497 boost::shared_ptr<RouteList> r = routes.reader ();
3498 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3499 boost::shared_ptr<Send> s = (*i)->internal_send_for (*iter);
3501 (*i)->remove_processor (s);
3506 /* if the monitoring section had a pointer to this route, remove it */
3507 if (_monitor_out && !(*iter)->is_master() && !(*iter)->is_monitor()) {
3508 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3509 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
3510 (*iter)->remove_aux_or_listen (_monitor_out);
3513 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*iter);
3514 if (mt && mt->step_editing()) {
3515 if (_step_editors > 0) {
3521 /* writer goes out of scope, forces route list update */
3523 } // end of RCU Writer scope
3525 update_route_solo_state ();
3526 RouteAddedOrRemoved (false); /* EMIT SIGNAL */
3527 update_latency_compensation ();
3530 /* Re-sort routes to remove the graph's current references to the one that is
3531 * going away, then flush old references out of the graph.
3532 * Wave Tracks: reconnect routes
3535 #ifdef USE_TRACKS_CODE_FEATURES
3536 reconnect_existing_routes(true, false);
3538 routes.flush (); // maybe unsafe, see below.
3542 if (_process_graph) {
3543 _process_graph->clear_other_chain ();
3546 /* get rid of it from the dead wood collection in the route list manager */
3547 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
3551 /* try to cause everyone to drop their references
3552 * and unregister ports from the backend
3555 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3556 (*iter)->drop_references ();
3559 Route::RemoteControlIDChange(); /* EMIT SIGNAL */
3561 /* save the new state of the world */
3563 if (save_state (_current_snapshot_name)) {
3564 save_history (_current_snapshot_name);
3567 reassign_track_numbers();
3568 update_route_record_state ();
3572 Session::remove_route (boost::shared_ptr<Route> route)
3574 boost::shared_ptr<RouteList> rl (new RouteList);
3575 rl->push_back (route);
3580 Session::route_mute_changed ()
3586 Session::route_listen_changed (Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3588 boost::shared_ptr<Route> route = wpr.lock();
3590 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_listen_changed")) << endmsg;
3594 if (route->listening_via_monitor ()) {
3596 if (Config->get_exclusive_solo()) {
3598 RouteGroup* rg = route->route_group ();
3599 const bool group_already_accounted_for = route->use_group (group_override, &RouteGroup::is_solo);
3601 boost::shared_ptr<RouteList> r = routes.reader ();
3603 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3604 if ((*i) == route) {
3605 /* already changed */
3609 if ((*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3610 /* route does not get solo propagated to it */
3614 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3615 /* this route is a part of the same solo group as the route
3616 * that was changed. Changing that route did change or will
3617 * change all group members appropriately, so we can ignore it
3622 (*i)->set_listen (false, Controllable::NoGroup);
3628 } else if (_listen_cnt > 0) {
3633 update_route_solo_state ();
3636 Session::route_solo_isolated_changed (boost::weak_ptr<Route> wpr)
3638 boost::shared_ptr<Route> route = wpr.lock ();
3641 /* should not happen */
3642 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_isolated_changed")) << endmsg;
3646 bool send_changed = false;
3648 if (route->solo_isolated()) {
3649 if (_solo_isolated_cnt == 0) {
3650 send_changed = true;
3652 _solo_isolated_cnt++;
3653 } else if (_solo_isolated_cnt > 0) {
3654 _solo_isolated_cnt--;
3655 if (_solo_isolated_cnt == 0) {
3656 send_changed = true;
3661 IsolatedChanged (); /* EMIT SIGNAL */
3666 Session::route_solo_changed (bool self_solo_change, Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route> wpr)
3668 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1\n", self_solo_change));
3670 if (!self_solo_change) {
3671 // session doesn't care about changes to soloed-by-others
3675 boost::shared_ptr<Route> route = wpr.lock ();
3678 boost::shared_ptr<RouteList> r = routes.reader ();
3681 if (route->self_soloed()) {
3687 /* the route may be a member of a group that has shared-solo
3688 * semantics. If so, then all members of that group should follow the
3689 * solo of the changed route. But ... this is optional, controlled by a
3690 * Controllable::GroupControlDisposition.
3692 * The first argument to the signal that this method is connected to is the
3693 * GroupControlDisposition value that was used to change solo.
3695 * If the solo change was done with group semantics (either InverseGroup
3696 * (force the entire group to change even if the group shared solo is
3697 * disabled) or UseGroup (use the group, which may or may not have the
3698 * shared solo property enabled)) then as we propagate the change to
3699 * the entire session we should IGNORE THE GROUP that the changed route
3703 RouteGroup* rg = route->route_group ();
3704 const bool group_already_accounted_for = route->use_group (group_override, &RouteGroup::is_solo);
3706 if (delta == 1 && Config->get_exclusive_solo()) {
3708 /* new solo: disable all other solos, but not the group if its solo-enabled */
3710 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3712 if ((*i) == route) {
3713 /* already changed */
3717 if ((*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3718 /* route does not get solo propagated to it */
3722 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3723 /* this route is a part of the same solo group as the route
3724 * that was changed. Changing that route did change or will
3725 * change all group members appropriately, so we can ignore it
3731 (*i)->set_solo (false, group_override);
3735 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
3737 RouteList uninvolved;
3739 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
3741 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3742 bool via_sends_only;
3743 bool in_signal_flow;
3745 if ((*i) == route) {
3746 /* already changed */
3750 if ((*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3751 /* route does not get solo propagated to it */
3755 if ((group_already_accounted_for && (*i)->route_group() && (*i)->route_group() == rg)) {
3756 /* this route is a part of the same solo group as the route
3757 * that was changed. Changing that route did change or will
3758 * change all group members appropriately, so we can ignore it
3764 in_signal_flow = false;
3766 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
3768 if ((*i)->feeds (route, &via_sends_only)) {
3769 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
3770 if (!via_sends_only) {
3771 if (!route->soloed_by_others_upstream()) {
3772 (*i)->mod_solo_by_others_downstream (delta);
3774 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others upstream\n");
3777 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
3779 in_signal_flow = true;
3781 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
3784 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
3786 if (route->feeds (*i, &via_sends_only)) {
3787 /* propagate solo upstream only if routing other than
3788 sends is involved, but do consider the other route
3789 (*i) to be part of the signal flow even if only
3792 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
3796 route->soloed_by_others_downstream(),
3797 route->soloed_by_others_upstream()));
3798 if (!via_sends_only) {
3799 //NB. Triggers Invert Push, which handles soloed by downstream
3800 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
3801 (*i)->mod_solo_by_others_upstream (delta);
3803 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
3805 in_signal_flow = true;
3807 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
3810 if (!in_signal_flow) {
3811 uninvolved.push_back (*i);
3815 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
3817 update_route_solo_state (r);
3819 /* now notify that the mute state of the routes not involved in the signal
3820 pathway of the just-solo-changed route may have altered.
3823 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
3824 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
3825 (*i)->act_on_mute ();
3826 (*i)->mute_changed ();
3829 SoloChanged (); /* EMIT SIGNAL */
3834 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
3836 /* now figure out if anything that matters is soloed (or is "listening")*/
3838 bool something_soloed = false;
3839 bool something_listening = false;
3840 uint32_t listeners = 0;
3841 uint32_t isolated = 0;
3844 r = routes.reader();
3847 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3848 if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner() && (*i)->self_soloed()) {
3849 something_soloed = true;
3852 if (!(*i)->is_auditioner() && (*i)->listening_via_monitor()) {
3853 if (Config->get_solo_control_is_listen_control()) {
3855 something_listening = true;
3857 (*i)->set_listen (false, Controllable::NoGroup);
3861 if ((*i)->solo_isolated()) {
3866 if (something_soloed != _non_soloed_outs_muted) {
3867 _non_soloed_outs_muted = something_soloed;
3868 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
3871 if (something_listening != _listening) {
3872 _listening = something_listening;
3873 SoloActive (_listening);
3876 _listen_cnt = listeners;
3878 if (isolated != _solo_isolated_cnt) {
3879 _solo_isolated_cnt = isolated;
3880 IsolatedChanged (); /* EMIT SIGNAL */
3883 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
3884 something_soloed, listeners, isolated));
3887 boost::shared_ptr<RouteList>
3888 Session::get_routes_with_internal_returns() const
3890 boost::shared_ptr<RouteList> r = routes.reader ();
3891 boost::shared_ptr<RouteList> rl (new RouteList);
3893 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3894 if ((*i)->internal_return ()) {
3902 Session::io_name_is_legal (const std::string& name)
3904 boost::shared_ptr<RouteList> r = routes.reader ();
3906 for (vector<string>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
3907 if (name == *reserved) {
3908 if (!route_by_name (*reserved)) {
3909 /* first instance of a reserved name is allowed */
3912 /* all other instances of a reserved name are not allowed */
3917 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3918 if ((*i)->name() == name) {
3922 if ((*i)->has_io_processor_named (name)) {
3931 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
3934 vector<string> connections;
3936 /* if we are passed only a single route and we're not told to turn
3937 * others off, then just do the simple thing.
3940 if (flip_others == false && rl->size() == 1) {
3941 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
3943 mt->set_input_active (onoff);
3948 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
3950 PortSet& ps ((*rt)->input()->ports());
3952 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
3953 p->get_connections (connections);
3956 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
3957 routes_using_input_from (*s, rl2);
3960 /* scan all relevant routes to see if others are on or off */
3962 bool others_are_already_on = false;
3964 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
3966 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
3972 if ((*r) != (*rt)) {
3973 if (mt->input_active()) {
3974 others_are_already_on = true;
3977 /* this one needs changing */
3978 mt->set_input_active (onoff);
3984 /* globally reverse other routes */
3986 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
3987 if ((*r) != (*rt)) {
3988 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
3990 mt->set_input_active (!others_are_already_on);
3999 Session::routes_using_input_from (const string& str, RouteList& rl)
4001 boost::shared_ptr<RouteList> r = routes.reader();
4003 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4004 if ((*i)->input()->connected_to (str)) {
4010 boost::shared_ptr<Route>
4011 Session::route_by_name (string name)
4013 boost::shared_ptr<RouteList> r = routes.reader ();
4015 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4016 if ((*i)->name() == name) {
4021 return boost::shared_ptr<Route> ((Route*) 0);
4024 boost::shared_ptr<Route>
4025 Session::route_by_id (PBD::ID id)
4027 boost::shared_ptr<RouteList> r = routes.reader ();
4029 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4030 if ((*i)->id() == id) {
4035 return boost::shared_ptr<Route> ((Route*) 0);
4038 boost::shared_ptr<Processor>
4039 Session::processor_by_id (PBD::ID id) const
4041 boost::shared_ptr<RouteList> r = routes.reader ();
4043 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4044 boost::shared_ptr<Processor> p = (*i)->Route::processor_by_id (id);
4050 return boost::shared_ptr<Processor> ();
4053 boost::shared_ptr<Track>
4054 Session::track_by_diskstream_id (PBD::ID id)
4056 boost::shared_ptr<RouteList> r = routes.reader ();
4058 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4059 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4060 if (t && t->using_diskstream_id (id)) {
4065 return boost::shared_ptr<Track> ();
4068 boost::shared_ptr<Route>
4069 Session::route_by_remote_id (uint32_t id)
4071 boost::shared_ptr<RouteList> r = routes.reader ();
4073 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4074 if ((*i)->remote_control_id() == id) {
4079 return boost::shared_ptr<Route> ((Route*) 0);
4083 boost::shared_ptr<Route>
4084 Session::route_by_selected_count (uint32_t id)
4086 boost::shared_ptr<RouteList> r = routes.reader ();
4088 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4089 /* NOT IMPLEMENTED */
4092 return boost::shared_ptr<Route> ((Route*) 0);
4097 Session::reassign_track_numbers ()
4101 RouteList r (*(routes.reader ()));
4102 SignalOrderRouteSorter sorter;
4105 StateProtector sp (this);
4107 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4108 if (boost::dynamic_pointer_cast<Track> (*i)) {
4109 (*i)->set_track_number(++tn);
4111 else if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner()) {
4112 (*i)->set_track_number(--bn);
4115 const uint32_t decimals = ceilf (log10f (tn + 1));
4116 const bool decimals_changed = _track_number_decimals != decimals;
4117 _track_number_decimals = decimals;
4119 if (decimals_changed && config.get_track_name_number ()) {
4120 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
4121 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
4123 t->resync_track_name();
4126 // trigger GUI re-layout
4127 config.ParameterChanged("track-name-number");
4132 Session::playlist_region_added (boost::weak_ptr<Region> w)
4134 boost::shared_ptr<Region> r = w.lock ();
4139 /* These are the operations that are currently in progress... */
4140 list<GQuark> curr = _current_trans_quarks;
4143 /* ...and these are the operations during which we want to update
4144 the session range location markers.
4147 ops.push_back (Operations::capture);
4148 ops.push_back (Operations::paste);
4149 ops.push_back (Operations::duplicate_region);
4150 ops.push_back (Operations::insert_file);
4151 ops.push_back (Operations::insert_region);
4152 ops.push_back (Operations::drag_region_brush);
4153 ops.push_back (Operations::region_drag);
4154 ops.push_back (Operations::selection_grab);
4155 ops.push_back (Operations::region_fill);
4156 ops.push_back (Operations::fill_selection);
4157 ops.push_back (Operations::create_region);
4158 ops.push_back (Operations::region_copy);
4159 ops.push_back (Operations::fixed_time_region_copy);
4162 /* See if any of the current operations match the ones that we want */
4164 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
4166 /* If so, update the session range markers */
4168 maybe_update_session_range (r->position (), r->last_frame ());
4172 /** Update the session range markers if a is before the current start or
4173 * b is after the current end.
4176 Session::maybe_update_session_range (framepos_t a, framepos_t b)
4178 if (_state_of_the_state & Loading) {
4182 framepos_t session_end_marker_shift_samples = session_end_shift * _nominal_frame_rate;
4184 if (_session_range_location == 0) {
4186 set_session_range_location (a, b + session_end_marker_shift_samples);
4190 if (a < _session_range_location->start()) {
4191 _session_range_location->set_start (a);
4194 if (b > _session_range_location->end()) {
4195 _session_range_location->set_end (b);
4201 Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
4203 for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4204 maybe_update_session_range (i->to, i->to + i->length);
4209 Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
4211 for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4212 maybe_update_session_range (i->from, i->to);
4216 /* Region management */
4218 boost::shared_ptr<Region>
4219 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
4221 const RegionFactory::RegionMap& regions (RegionFactory::regions());
4222 RegionFactory::RegionMap::const_iterator i;
4223 boost::shared_ptr<Region> region;
4225 Glib::Threads::Mutex::Lock lm (region_lock);
4227 for (i = regions.begin(); i != regions.end(); ++i) {
4231 if (region->whole_file()) {
4233 if (child->source_equivalent (region)) {
4239 return boost::shared_ptr<Region> ();
4243 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
4245 set<boost::shared_ptr<Region> > relevant_regions;
4247 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
4248 RegionFactory::get_regions_using_source (*s, relevant_regions);
4251 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
4252 set<boost::shared_ptr<Region> >::iterator tmp;
4257 playlists->destroy_region (*r);
4258 RegionFactory::map_remove (*r);
4260 (*r)->drop_sources ();
4261 (*r)->drop_references ();
4263 relevant_regions.erase (r);
4268 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
4271 Glib::Threads::Mutex::Lock ls (source_lock);
4272 /* remove from the main source list */
4273 sources.erase ((*s)->id());
4276 (*s)->mark_for_remove ();
4277 (*s)->drop_references ();
4286 Session::remove_last_capture ()
4288 list<boost::shared_ptr<Source> > srcs;
4290 boost::shared_ptr<RouteList> rl = routes.reader ();
4291 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4292 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4297 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
4300 srcs.insert (srcs.end(), l.begin(), l.end());
4305 destroy_sources (srcs);
4307 save_state (_current_snapshot_name);
4312 /* Source Management */
4315 Session::add_source (boost::shared_ptr<Source> source)
4317 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
4318 pair<SourceMap::iterator,bool> result;
4320 entry.first = source->id();
4321 entry.second = source;
4324 Glib::Threads::Mutex::Lock lm (source_lock);
4325 result = sources.insert (entry);
4328 if (result.second) {
4330 /* yay, new source */
4332 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
4335 if (!fs->within_session()) {
4336 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
4342 boost::shared_ptr<AudioFileSource> afs;
4344 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
4345 if (Config->get_auto_analyse_audio()) {
4346 Analyser::queue_source_for_analysis (source, false);
4350 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
4355 Session::remove_source (boost::weak_ptr<Source> src)
4357 if (_state_of_the_state & Deletion) {
4361 SourceMap::iterator i;
4362 boost::shared_ptr<Source> source = src.lock();
4369 Glib::Threads::Mutex::Lock lm (source_lock);
4371 if ((i = sources.find (source->id())) != sources.end()) {
4376 if (!(_state_of_the_state & StateOfTheState (InCleanup|Loading))) {
4378 /* save state so we don't end up with a session file
4379 referring to non-existent sources.
4382 save_state (_current_snapshot_name);
4386 boost::shared_ptr<Source>
4387 Session::source_by_id (const PBD::ID& id)
4389 Glib::Threads::Mutex::Lock lm (source_lock);
4390 SourceMap::iterator i;
4391 boost::shared_ptr<Source> source;
4393 if ((i = sources.find (id)) != sources.end()) {
4400 boost::shared_ptr<AudioFileSource>
4401 Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
4403 /* Restricted to audio files because only audio sources have channel
4407 Glib::Threads::Mutex::Lock lm (source_lock);
4409 for (SourceMap::const_iterator i = sources.begin(); i != sources.end(); ++i) {
4410 boost::shared_ptr<AudioFileSource> afs
4411 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
4413 if (afs && afs->path() == path && chn == afs->channel()) {
4418 return boost::shared_ptr<AudioFileSource>();
4421 boost::shared_ptr<MidiSource>
4422 Session::midi_source_by_path (const std::string& path) const
4424 /* Restricted to MIDI files because audio sources require a channel
4425 for unique identification, in addition to a path.
4428 Glib::Threads::Mutex::Lock lm (source_lock);
4430 for (SourceMap::const_iterator s = sources.begin(); s != sources.end(); ++s) {
4431 boost::shared_ptr<MidiSource> ms
4432 = boost::dynamic_pointer_cast<MidiSource>(s->second);
4433 boost::shared_ptr<FileSource> fs
4434 = boost::dynamic_pointer_cast<FileSource>(s->second);
4436 if (ms && fs && fs->path() == path) {
4441 return boost::shared_ptr<MidiSource>();
4445 Session::count_sources_by_origin (const string& path)
4448 Glib::Threads::Mutex::Lock lm (source_lock);
4450 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
4451 boost::shared_ptr<FileSource> fs
4452 = boost::dynamic_pointer_cast<FileSource>(i->second);
4454 if (fs && fs->origin() == path) {
4463 peak_file_helper (const string& peak_path, const string& file_path, const string& file_base, bool hash) {
4465 std::string checksum = Glib::Checksum::compute_checksum(Glib::Checksum::CHECKSUM_SHA1, file_path + G_DIR_SEPARATOR + file_base);
4466 return Glib::build_filename (peak_path, checksum + peakfile_suffix);
4468 return Glib::build_filename (peak_path, file_base + peakfile_suffix);
4473 Session::construct_peak_filepath (const string& filepath, const bool in_session, const bool old_peak_name) const
4475 string interchange_dir_string = string (interchange_dir_name) + G_DIR_SEPARATOR;
4477 if (Glib::path_is_absolute (filepath)) {
4479 /* rip the session dir from the audiofile source */
4481 string session_path;
4482 bool in_another_session = true;
4484 if (filepath.find (interchange_dir_string) != string::npos) {
4486 session_path = Glib::path_get_dirname (filepath); /* now ends in audiofiles */
4487 session_path = Glib::path_get_dirname (session_path); /* now ends in session name */
4488 session_path = Glib::path_get_dirname (session_path); /* now ends in interchange */
4489 session_path = Glib::path_get_dirname (session_path); /* now has session path */
4491 /* see if it is within our session */
4493 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4494 if (i->path == session_path) {
4495 in_another_session = false;
4500 in_another_session = false;
4504 if (in_another_session) {
4505 SessionDirectory sd (session_path);
4506 return peak_file_helper (sd.peak_path(), "", Glib::path_get_basename (filepath), !old_peak_name);
4510 /* 1) if file belongs to this session
4511 * it may be a relative path (interchange/...)
4512 * or just basename (session_state, remove source)
4513 * -> just use the basename
4515 std::string filename = Glib::path_get_basename (filepath);
4518 /* 2) if the file is outside our session dir:
4519 * (imported but not copied) add the path for check-summming */
4521 path = Glib::path_get_dirname (filepath);
4524 return peak_file_helper (_session_dir->peak_path(), path, Glib::path_get_basename (filepath), !old_peak_name);
4528 Session::new_audio_source_path_for_embedded (const std::string& path)
4532 * we know that the filename is already unique because it exists
4533 * out in the filesystem.
4535 * However, when we bring it into the session, we could get a
4538 * Eg. two embedded files:
4543 * When merged into session, these collide.
4545 * There will not be a conflict with in-memory sources
4546 * because when the source was created we already picked
4547 * a unique name for it.
4549 * This collision is not likely to be common, but we have to guard
4550 * against it. So, if there is a collision, take the md5 hash of the
4551 * the path, and use that as the filename instead.
4554 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4555 string base = Glib::path_get_basename (path);
4556 string newpath = Glib::build_filename (sdir.sound_path(), base);
4558 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4562 md5.digestString (path.c_str());
4563 md5.writeToString ();
4564 base = md5.digestChars;
4566 string ext = get_suffix (path);
4573 newpath = Glib::build_filename (sdir.sound_path(), base);
4575 /* if this collides, we're screwed */
4577 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4578 error << string_compose (_("Merging embedded file %1: name collision AND md5 hash collision!"), path) << endmsg;
4587 /** Return true if there are no audio file sources that use @param name as
4588 * the filename component of their path.
4590 * Return false otherwise.
4592 * This method MUST ONLY be used to check in-session, mono files since it
4593 * hard-codes the channel of the audio file source we are looking for as zero.
4595 * If/when Ardour supports native files in non-mono formats, the logic here
4596 * will need to be revisited.
4599 Session::audio_source_name_is_unique (const string& name)
4601 std::vector<string> sdirs = source_search_path (DataType::AUDIO);
4602 vector<space_and_path>::iterator i;
4603 uint32_t existing = 0;
4605 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4607 /* note that we search *without* the extension so that
4608 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
4609 in the event that this new name is required for
4610 a file format change.
4613 const string spath = *i;
4615 if (matching_unsuffixed_filename_exists_in (spath, name)) {
4620 /* it is possible that we have the path already
4621 * assigned to a source that has not yet been written
4622 * (ie. the write source for a diskstream). we have to
4623 * check this in order to make sure that our candidate
4624 * path isn't used again, because that can lead to
4625 * two Sources point to the same file with different
4626 * notions of their removability.
4630 string possible_path = Glib::build_filename (spath, name);
4632 if (audio_source_by_path_and_channel (possible_path, 0)) {
4638 return (existing == 0);
4642 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)
4645 const string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
4647 if (Profile->get_trx() && destructive) {
4649 sstr << setfill ('0') << setw (4) << cnt;
4650 sstr << legalized_base;
4652 sstr << legalized_base;
4654 if (take_required || related_exists) {
4666 } else if (nchan > 2) {
4671 /* XXX what? more than 26 channels! */
4682 /** Return a unique name based on \a base for a new internal audio source */
4684 Session::new_audio_source_path (const string& base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required)
4687 string possible_name;
4688 const uint32_t limit = 9999; // arbitrary limit on number of files with the same basic name
4690 bool some_related_source_name_exists = false;
4692 legalized = legalize_for_path (base);
4694 // Find a "version" of the base name that doesn't exist in any of the possible directories.
4696 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
4698 possible_name = format_audio_source_name (legalized, nchan, chan, destructive, take_required, cnt, some_related_source_name_exists);
4700 if (audio_source_name_is_unique (possible_name)) {
4704 some_related_source_name_exists = true;
4707 error << string_compose(
4708 _("There are already %1 recordings for %2, which I consider too many."),
4709 limit, base) << endmsg;
4711 throw failed_constructor();
4715 /* We've established that the new name does not exist in any session
4716 * directory, so now find out which one we should use for this new
4720 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4722 std::string s = Glib::build_filename (sdir.sound_path(), possible_name);
4727 /** Return a unique name based on `base` for a new internal MIDI source */
4729 Session::new_midi_source_path (const string& base)
4732 char buf[PATH_MAX+1];
4733 const uint32_t limit = 10000;
4735 string possible_path;
4736 string possible_name;
4739 legalized = legalize_for_path (base);
4741 // Find a "version" of the file name that doesn't exist in any of the possible directories.
4742 std::vector<string> sdirs = source_search_path(DataType::MIDI);
4744 /* - the main session folder is the first in the vector.
4745 * - after checking all locations for file-name uniqueness,
4746 * we keep the one from the last iteration as new file name
4747 * - midi files are small and should just be kept in the main session-folder
4749 * -> reverse the array, check main session folder last and use that as location
4752 std::reverse(sdirs.begin(), sdirs.end());
4754 for (cnt = 1; cnt <= limit; ++cnt) {
4756 vector<space_and_path>::iterator i;
4757 uint32_t existing = 0;
4759 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4761 snprintf (buf, sizeof(buf), "%s-%u.mid", legalized.c_str(), cnt);
4762 possible_name = buf;
4764 possible_path = Glib::build_filename (*i, possible_name);
4766 if (Glib::file_test (possible_path, Glib::FILE_TEST_EXISTS)) {
4770 if (midi_source_by_path (possible_path)) {
4775 if (existing == 0) {
4780 error << string_compose(
4781 _("There are already %1 recordings for %2, which I consider too many."),
4782 limit, base) << endmsg;
4788 /* No need to "find best location" for software/app-based RAID, because
4789 MIDI is so small that we always put it in the same place.
4792 return possible_path;
4796 /** Create a new within-session audio source */
4797 boost::shared_ptr<AudioFileSource>
4798 Session::create_audio_source_for_session (size_t n_chans, string const & base, uint32_t chan, bool destructive)
4800 const string path = new_audio_source_path (base, n_chans, chan, destructive, true);
4802 if (!path.empty()) {
4803 return boost::dynamic_pointer_cast<AudioFileSource> (
4804 SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, frame_rate(), true, true));
4806 throw failed_constructor ();
4810 /** Create a new within-session MIDI source */
4811 boost::shared_ptr<MidiSource>
4812 Session::create_midi_source_for_session (string const & basic_name)
4814 const string path = new_midi_source_path (basic_name);
4816 if (!path.empty()) {
4817 return boost::dynamic_pointer_cast<SMFSource> (
4818 SourceFactory::createWritable (
4819 DataType::MIDI, *this, path, false, frame_rate()));
4821 throw failed_constructor ();
4825 /** Create a new within-session MIDI source */
4826 boost::shared_ptr<MidiSource>
4827 Session::create_midi_source_by_stealing_name (boost::shared_ptr<Track> track)
4829 /* the caller passes in the track the source will be used in,
4830 so that we can keep the numbering sane.
4832 Rationale: a track with the name "Foo" that has had N
4833 captures carried out so far will ALREADY have a write source
4834 named "Foo-N+1.mid" waiting to be used for the next capture.
4836 If we call new_midi_source_name() we will get "Foo-N+2". But
4837 there is no region corresponding to "Foo-N+1", so when
4838 "Foo-N+2" appears in the track, the gap presents the user
4839 with odd behaviour - why did it skip past Foo-N+1?
4841 We could explain this to the user in some odd way, but
4842 instead we rename "Foo-N+1.mid" as "Foo-N+2.mid", and then
4845 If that attempted rename fails, we get "Foo-N+2.mid" anyway.
4848 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (track);
4850 std::string name = track->steal_write_source_name ();
4853 return boost::shared_ptr<MidiSource>();
4856 /* MIDI files are small, just put them in the first location of the
4857 session source search path.
4860 const string path = Glib::build_filename (source_search_path (DataType::MIDI).front(), name);
4862 return boost::dynamic_pointer_cast<SMFSource> (
4863 SourceFactory::createWritable (
4864 DataType::MIDI, *this, path, false, frame_rate()));
4869 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
4871 if (playlist->hidden()) {
4875 playlists->add (playlist);
4878 playlist->release();
4885 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
4887 if (_state_of_the_state & Deletion) {
4891 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
4897 playlists->remove (playlist);
4903 Session::set_audition (boost::shared_ptr<Region> r)
4905 pending_audition_region = r;
4906 add_post_transport_work (PostTransportAudition);
4907 _butler->schedule_transport_work ();
4911 Session::audition_playlist ()
4913 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
4914 ev->region.reset ();
4920 Session::register_lua_function (
4921 const std::string& name,
4922 const std::string& script,
4923 const LuaScriptParamList& args
4926 Glib::Threads::Mutex::Lock lm (lua_lock);
4928 lua_State* L = lua.getState();
4930 const std::string& bytecode = LuaScripting::get_factory_bytecode (script);
4931 luabridge::LuaRef tbl_arg (luabridge::newTable(L));
4932 for (LuaScriptParamList::const_iterator i = args.begin(); i != args.end(); ++i) {
4933 if ((*i)->optional && !(*i)->is_set) { continue; }
4934 tbl_arg[(*i)->name] = (*i)->value;
4936 (*_lua_add)(name, bytecode, tbl_arg); // throws luabridge::LuaException
4941 Session::unregister_lua_function (const std::string& name)
4943 Glib::Threads::Mutex::Lock lm (lua_lock);
4944 (*_lua_del)(name); // throws luabridge::LuaException
4945 lua.collect_garbage ();
4949 std::vector<std::string>
4950 Session::registered_lua_functions ()
4952 Glib::Threads::Mutex::Lock lm (lua_lock);
4953 std::vector<std::string> rv;
4956 luabridge::LuaRef list ((*_lua_list)());
4957 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
4958 if (!i.key ().isString ()) { assert(0); continue; }
4959 rv.push_back (i.key ().cast<std::string> ());
4961 } catch (luabridge::LuaException const& e) { }
4966 static void _lua_print (std::string s) {
4967 std::cout << "SessionLua: " << s << "\n";
4972 Session::try_run_lua (pframes_t nframes)
4974 if (_n_lua_scripts == 0) return;
4975 Glib::Threads::Mutex::Lock tm (lua_lock, Glib::Threads::TRY_LOCK);
4977 try { (*_lua_run)(nframes); } catch (luabridge::LuaException const& e) { }
4982 Session::setup_lua ()
4985 lua.Print.connect (&_lua_print);
4988 "function ArdourSession ()"
4989 " local self = { scripts = {}, instances = {} }"
4991 " local remove = function (n)"
4992 " self.scripts[n] = nil"
4993 " self.instances[n] = nil"
4994 " Session:scripts_changed()" // call back
4997 " local addinternal = function (n, f, a)"
4998 " assert(type(n) == 'string', 'function-name must be string')"
4999 " assert(type(f) == 'function', 'Given script is a not a function')"
5000 " assert(type(a) == 'table' or type(a) == 'nil', 'Given argument is invalid')"
5001 " assert(self.scripts[n] == nil, 'Callback \"'.. n ..'\" already exists.')"
5002 " self.scripts[n] = { ['f'] = f, ['a'] = a }"
5003 " 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"
5004 " 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 }"
5005 " self.instances[n] = load (string.dump(f, true), nil, nil, env)(a)"
5006 " Session:scripts_changed()" // call back
5009 " local add = function (n, b, a)"
5010 " assert(type(b) == 'string', 'ByteCode must be string')"
5011 " load (b)()" // assigns f
5012 " assert(type(f) == 'string', 'Assigned ByteCode must be string')"
5013 " addinternal (n, load(f), a)"
5016 " local run = function (...)"
5017 " for n, s in pairs (self.instances) do"
5018 " local status, err = pcall (s, ...)"
5019 " if not status then"
5020 " print ('fn \"'.. n .. '\": ', err)"
5027 " local cleanup = function ()"
5028 " self.scripts = nil"
5029 " self.instances = nil"
5032 " local list = function ()"
5034 " for n, _ in pairs (self.scripts) do"
5040 " local function basic_serialize (o)"
5041 " if type(o) == \"number\" then"
5042 " return tostring(o)"
5044 " return string.format(\"%q\", o)"
5048 " local function serialize (name, value)"
5049 " local rv = name .. ' = '"
5051 " if type(value) == \"number\" or type(value) == \"string\" or type(value) == \"nil\" then"
5052 " return rv .. basic_serialize(value) .. ' '"
5053 " elseif type(value) == \"table\" then"
5055 " for k,v in pairs(value) do"
5056 " local fieldname = string.format(\"%s[%s]\", name, basic_serialize(k))"
5057 " rv = rv .. serialize(fieldname, v) .. ' '"
5058 " collectgarbage()" // string concatenation allocates a new string :(
5061 " elseif type(value) == \"function\" then"
5062 " return rv .. string.format(\"%q\", string.dump(value, true))"
5064 " error('cannot save a ' .. type(value))"
5069 " local save = function ()"
5070 " return (serialize('scripts', self.scripts))"
5073 " local restore = function (state)"
5074 " self.scripts = {}"
5076 " for n, s in pairs (scripts) do"
5077 " addinternal (n, load(s['f']), s['a'])"
5081 " return { run = run, add = add, remove = remove,"
5082 " list = list, restore = restore, save = save, cleanup = cleanup}"
5085 " sess = ArdourSession ()"
5086 " ArdourSession = nil"
5088 "function ardour () end"
5091 lua_State* L = lua.getState();
5094 luabridge::LuaRef lua_sess = luabridge::getGlobal (L, "sess");
5095 lua.do_command ("sess = nil"); // hide it.
5096 lua.do_command ("collectgarbage()");
5098 _lua_run = new luabridge::LuaRef(lua_sess["run"]);
5099 _lua_add = new luabridge::LuaRef(lua_sess["add"]);
5100 _lua_del = new luabridge::LuaRef(lua_sess["remove"]);
5101 _lua_list = new luabridge::LuaRef(lua_sess["list"]);
5102 _lua_save = new luabridge::LuaRef(lua_sess["save"]);
5103 _lua_load = new luabridge::LuaRef(lua_sess["restore"]);
5104 _lua_cleanup = new luabridge::LuaRef(lua_sess["cleanup"]);
5105 } catch (luabridge::LuaException const& e) {
5106 fatal << string_compose (_("programming error: %1"),
5107 X_("Failed to setup Lua interpreter"))
5109 abort(); /*NOTREACHED*/
5112 LuaBindings::stddef (L);
5113 LuaBindings::common (L);
5114 LuaBindings::dsp (L);
5115 luabridge::push <Session *> (L, this);
5116 lua_setglobal (L, "Session");
5120 Session::scripts_changed ()
5122 assert (!lua_lock.trylock()); // must hold lua_lock
5125 luabridge::LuaRef list ((*_lua_list)());
5127 for (luabridge::Iterator i (list); !i.isNil (); ++i) {
5128 if (!i.key ().isString ()) { assert(0); continue; }
5131 _n_lua_scripts = cnt;
5132 } catch (luabridge::LuaException const& e) {
5133 fatal << string_compose (_("programming error: %1"),
5134 X_("Indexing Lua Session Scripts failed."))
5136 abort(); /*NOTREACHED*/
5141 Session::non_realtime_set_audition ()
5143 assert (pending_audition_region);
5144 auditioner->audition_region (pending_audition_region);
5145 pending_audition_region.reset ();
5146 AuditionActive (true); /* EMIT SIGNAL */
5150 Session::audition_region (boost::shared_ptr<Region> r)
5152 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
5158 Session::cancel_audition ()
5163 if (auditioner->auditioning()) {
5164 auditioner->cancel_audition ();
5165 AuditionActive (false); /* EMIT SIGNAL */
5170 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
5172 if (a->is_monitor()) {
5175 if (b->is_monitor()) {
5178 return a->order_key () < b->order_key ();
5182 Session::is_auditioning () const
5184 /* can be called before we have an auditioner object */
5186 return auditioner->auditioning();
5193 Session::graph_reordered ()
5195 /* don't do this stuff if we are setting up connections
5196 from a set_state() call or creating new tracks. Ditto for deletion.
5199 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _reconnecting_routes_in_progress || _route_deletion_in_progress) {
5203 /* every track/bus asked for this to be handled but it was deferred because
5204 we were connecting. do it now.
5207 request_input_change_handling ();
5211 /* force all diskstreams to update their capture offset values to
5212 reflect any changes in latencies within the graph.
5215 boost::shared_ptr<RouteList> rl = routes.reader ();
5216 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5217 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5219 tr->set_capture_offset ();
5224 /** @return Number of frames that there is disk space available to write,
5227 boost::optional<framecnt_t>
5228 Session::available_capture_duration ()
5230 Glib::Threads::Mutex::Lock lm (space_lock);
5232 if (_total_free_4k_blocks_uncertain) {
5233 return boost::optional<framecnt_t> ();
5236 float sample_bytes_on_disk = 4.0; // keep gcc happy
5238 switch (config.get_native_file_data_format()) {
5240 sample_bytes_on_disk = 4.0;
5244 sample_bytes_on_disk = 3.0;
5248 sample_bytes_on_disk = 2.0;
5252 /* impossible, but keep some gcc versions happy */
5253 fatal << string_compose (_("programming error: %1"),
5254 X_("illegal native file data format"))
5256 abort(); /*NOTREACHED*/
5259 double scale = 4096.0 / sample_bytes_on_disk;
5261 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
5262 return max_framecnt;
5265 return (framecnt_t) floor (_total_free_4k_blocks * scale);
5269 Session::add_bundle (boost::shared_ptr<Bundle> bundle, bool emit_signal)
5272 RCUWriter<BundleList> writer (_bundles);
5273 boost::shared_ptr<BundleList> b = writer.get_copy ();
5274 b->push_back (bundle);
5278 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5285 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
5287 bool removed = false;
5290 RCUWriter<BundleList> writer (_bundles);
5291 boost::shared_ptr<BundleList> b = writer.get_copy ();
5292 BundleList::iterator i = find (b->begin(), b->end(), bundle);
5294 if (i != b->end()) {
5301 BundleAddedOrRemoved (); /* EMIT SIGNAL */
5307 boost::shared_ptr<Bundle>
5308 Session::bundle_by_name (string name) const
5310 boost::shared_ptr<BundleList> b = _bundles.reader ();
5312 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
5313 if ((*i)->name() == name) {
5318 return boost::shared_ptr<Bundle> ();
5322 Session::tempo_map_changed (const PropertyChange&)
5326 playlists->update_after_tempo_map_change ();
5328 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
5334 Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
5336 for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
5337 (*i)->recompute_frames_from_bbt ();
5341 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
5342 * the given count with the current block size.
5345 Session::ensure_buffers (ChanCount howmany)
5347 BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
5351 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
5353 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5354 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
5359 Session::next_insert_id ()
5361 /* this doesn't really loop forever. just think about it */
5364 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
5365 if (!insert_bitset[n]) {
5366 insert_bitset[n] = true;
5372 /* none available, so resize and try again */
5374 insert_bitset.resize (insert_bitset.size() + 16, false);
5379 Session::next_send_id ()
5381 /* this doesn't really loop forever. just think about it */
5384 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
5385 if (!send_bitset[n]) {
5386 send_bitset[n] = true;
5392 /* none available, so resize and try again */
5394 send_bitset.resize (send_bitset.size() + 16, false);
5399 Session::next_aux_send_id ()
5401 /* this doesn't really loop forever. just think about it */
5404 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < aux_send_bitset.size(); ++n) {
5405 if (!aux_send_bitset[n]) {
5406 aux_send_bitset[n] = true;
5412 /* none available, so resize and try again */
5414 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
5419 Session::next_return_id ()
5421 /* this doesn't really loop forever. just think about it */
5424 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < return_bitset.size(); ++n) {
5425 if (!return_bitset[n]) {
5426 return_bitset[n] = true;
5432 /* none available, so resize and try again */
5434 return_bitset.resize (return_bitset.size() + 16, false);
5439 Session::mark_send_id (uint32_t id)
5441 if (id >= send_bitset.size()) {
5442 send_bitset.resize (id+16, false);
5444 if (send_bitset[id]) {
5445 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
5447 send_bitset[id] = true;
5451 Session::mark_aux_send_id (uint32_t id)
5453 if (id >= aux_send_bitset.size()) {
5454 aux_send_bitset.resize (id+16, false);
5456 if (aux_send_bitset[id]) {
5457 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
5459 aux_send_bitset[id] = true;
5463 Session::mark_return_id (uint32_t id)
5465 if (id >= return_bitset.size()) {
5466 return_bitset.resize (id+16, false);
5468 if (return_bitset[id]) {
5469 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
5471 return_bitset[id] = true;
5475 Session::mark_insert_id (uint32_t id)
5477 if (id >= insert_bitset.size()) {
5478 insert_bitset.resize (id+16, false);
5480 if (insert_bitset[id]) {
5481 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
5483 insert_bitset[id] = true;
5487 Session::unmark_send_id (uint32_t id)
5489 if (id < send_bitset.size()) {
5490 send_bitset[id] = false;
5495 Session::unmark_aux_send_id (uint32_t id)
5497 if (id < aux_send_bitset.size()) {
5498 aux_send_bitset[id] = false;
5503 Session::unmark_return_id (uint32_t id)
5505 if (_state_of_the_state & Deletion) { return; }
5506 if (id < return_bitset.size()) {
5507 return_bitset[id] = false;
5512 Session::unmark_insert_id (uint32_t id)
5514 if (id < insert_bitset.size()) {
5515 insert_bitset[id] = false;
5520 Session::reset_native_file_format ()
5522 boost::shared_ptr<RouteList> rl = routes.reader ();
5524 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5525 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5527 /* don't save state as we do this, there's no point
5529 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
5530 tr->reset_write_sources (false);
5531 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
5537 Session::route_name_unique (string n) const
5539 boost::shared_ptr<RouteList> r = routes.reader ();
5541 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5542 if ((*i)->name() == n) {
5551 Session::route_name_internal (string n) const
5553 if (auditioner && auditioner->name() == n) {
5557 if (_click_io && _click_io->name() == n) {
5565 Session::freeze_all (InterThreadInfo& itt)
5567 boost::shared_ptr<RouteList> r = routes.reader ();
5569 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5571 boost::shared_ptr<Track> t;
5573 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
5574 /* XXX this is wrong because itt.progress will keep returning to zero at the start
5584 boost::shared_ptr<Region>
5585 Session::write_one_track (Track& track, framepos_t start, framepos_t end,
5586 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
5587 InterThreadInfo& itt,
5588 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
5589 bool for_export, bool for_freeze)
5591 boost::shared_ptr<Region> result;
5592 boost::shared_ptr<Playlist> playlist;
5593 boost::shared_ptr<Source> source;
5594 ChanCount diskstream_channels (track.n_channels());
5595 framepos_t position;
5596 framecnt_t this_chunk;
5598 framepos_t latency_skip;
5600 framepos_t len = end - start;
5601 bool need_block_size_reset = false;
5602 ChanCount const max_proc = track.max_processor_streams ();
5603 string legal_playlist_name;
5604 string possible_path;
5607 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
5608 end, start) << endmsg;
5612 diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
5613 include_endpoint, for_export, for_freeze);
5615 if (diskstream_channels.n(track.data_type()) < 1) {
5616 error << _("Cannot write a range with no data.") << endmsg;
5620 // block all process callback handling
5622 block_processing ();
5625 // synchronize with AudioEngine::process_callback()
5626 // make sure processing is not currently running
5627 // and processing_blocked() is honored before
5628 // acquiring thread buffers
5629 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
5632 _bounce_processing_active = true;
5634 /* call tree *MUST* hold route_lock */
5636 if ((playlist = track.playlist()) == 0) {
5640 legal_playlist_name = legalize_for_path (playlist->name());
5642 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n(track.data_type()); ++chan_n) {
5644 string base_name = string_compose ("%1-%2-bounce", playlist->name(), chan_n);
5645 string path = ((track.data_type() == DataType::AUDIO)
5646 ? new_audio_source_path (legal_playlist_name, diskstream_channels.n_audio(), chan_n, false, true)
5647 : new_midi_source_path (legal_playlist_name));
5654 source = SourceFactory::createWritable (track.data_type(), *this, path, false, frame_rate());
5657 catch (failed_constructor& err) {
5658 error << string_compose (_("cannot create new file \"%1\" for %2"), path, track.name()) << endmsg;
5662 srcs.push_back (source);
5665 /* tell redirects that care that we are about to use a much larger
5666 * blocksize. this will flush all plugins too, so that they are ready
5667 * to be used for this process.
5670 need_block_size_reset = true;
5671 track.set_block_size (bounce_chunk_size);
5672 _engine.main_thread()->get_buffers ();
5676 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5678 /* create a set of reasonably-sized buffers */
5679 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5680 buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
5682 buffers.set_count (max_proc);
5684 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5685 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5686 boost::shared_ptr<MidiSource> ms;
5688 afs->prepare_for_peakfile_writes ();
5689 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5690 Source::Lock lock(ms->mutex());
5691 ms->mark_streaming_write_started(lock);
5695 while (to_do && !itt.cancel) {
5697 this_chunk = min (to_do, bounce_chunk_size);
5699 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
5703 start += this_chunk;
5704 to_do -= this_chunk;
5705 itt.progress = (float) (1.0 - ((double) to_do / len));
5707 if (latency_skip >= bounce_chunk_size) {
5708 latency_skip -= bounce_chunk_size;
5712 const framecnt_t current_chunk = this_chunk - latency_skip;
5715 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5716 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5717 boost::shared_ptr<MidiSource> ms;
5720 if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
5723 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5724 Source::Lock lock(ms->mutex());
5726 const MidiBuffer& buf = buffers.get_midi(0);
5727 for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
5728 Evoral::Event<framepos_t> ev = *i;
5729 ev.set_time(ev.time() - position);
5730 ms->append_event_frames(lock, ev, ms->timeline_position());
5737 /* post-roll, pick up delayed processor output */
5738 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5740 while (latency_skip && !itt.cancel) {
5741 this_chunk = min (latency_skip, bounce_chunk_size);
5742 latency_skip -= this_chunk;
5744 buffers.silence (this_chunk, 0);
5745 track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
5748 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5749 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5752 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
5764 xnow = localtime (&now);
5766 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
5767 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5768 boost::shared_ptr<MidiSource> ms;
5771 afs->update_header (position, *xnow, now);
5772 afs->flush_header ();
5773 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5774 Source::Lock lock(ms->mutex());
5775 ms->mark_streaming_write_completed(lock);
5779 /* construct a region to represent the bounced material */
5783 plist.add (Properties::start, 0);
5784 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
5785 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
5787 result = RegionFactory::create (srcs, plist);
5793 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5794 (*src)->mark_for_remove ();
5795 (*src)->drop_references ();
5799 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5800 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5803 afs->done_with_peakfile_writes ();
5807 _bounce_processing_active = false;
5809 if (need_block_size_reset) {
5810 _engine.main_thread()->drop_buffers ();
5811 track.set_block_size (get_block_size());
5814 unblock_processing ();
5820 Session::gain_automation_buffer() const
5822 return ProcessThread::gain_automation_buffer ();
5826 Session::trim_automation_buffer() const
5828 return ProcessThread::trim_automation_buffer ();
5832 Session::send_gain_automation_buffer() const
5834 return ProcessThread::send_gain_automation_buffer ();
5838 Session::pan_automation_buffer() const
5840 return ProcessThread::pan_automation_buffer ();
5844 Session::get_silent_buffers (ChanCount count)
5846 return ProcessThread::get_silent_buffers (count);
5850 Session::get_scratch_buffers (ChanCount count, bool silence)
5852 return ProcessThread::get_scratch_buffers (count, silence);
5856 Session::get_route_buffers (ChanCount count, bool silence)
5858 return ProcessThread::get_route_buffers (count, silence);
5863 Session::get_mix_buffers (ChanCount count)
5865 return ProcessThread::get_mix_buffers (count);
5869 Session::ntracks () const
5872 boost::shared_ptr<RouteList> r = routes.reader ();
5874 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5875 if (boost::dynamic_pointer_cast<Track> (*i)) {
5884 Session::nbusses () const
5887 boost::shared_ptr<RouteList> r = routes.reader ();
5889 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5890 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
5899 Session::add_automation_list(AutomationList *al)
5901 automation_lists[al->id()] = al;
5904 /** @return true if there is at least one record-enabled track, otherwise false */
5906 Session::have_rec_enabled_track () const
5908 return g_atomic_int_get (const_cast<gint*>(&_have_rec_enabled_track)) == 1;
5912 Session::have_rec_disabled_track () const
5914 return g_atomic_int_get (const_cast<gint*>(&_have_rec_disabled_track)) == 1;
5917 /** Update the state of our rec-enabled tracks flag */
5919 Session::update_route_record_state ()
5921 boost::shared_ptr<RouteList> rl = routes.reader ();
5922 RouteList::iterator i = rl->begin();
5923 while (i != rl->end ()) {
5925 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5926 if (tr && tr->record_enabled ()) {
5933 int const old = g_atomic_int_get (&_have_rec_enabled_track);
5935 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
5937 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
5938 RecordStateChanged (); /* EMIT SIGNAL */
5941 for (i = rl->begin(); i != rl->end (); ++i) {
5942 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5943 if (tr && !tr->record_enabled ()) {
5948 g_atomic_int_set (&_have_rec_disabled_track, i != rl->end () ? 1 : 0);
5950 bool record_arm_state_changed = (old != g_atomic_int_get (&_have_rec_enabled_track) );
5952 if (record_status() == Recording && record_arm_state_changed ) {
5953 RecordArmStateChanged ();
5959 Session::listen_position_changed ()
5961 boost::shared_ptr<RouteList> r = routes.reader ();
5963 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5964 (*i)->listen_position_changed ();
5969 Session::solo_control_mode_changed ()
5971 /* cancel all solo or all listen when solo control mode changes */
5974 set_solo (get_routes(), false);
5975 } else if (listening()) {
5976 set_listen (get_routes(), false);
5980 /** Called when a property of one of our route groups changes */
5982 Session::route_group_property_changed (RouteGroup* rg)
5984 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
5987 /** Called when a route is added to one of our route groups */
5989 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
5991 RouteAddedToRouteGroup (rg, r);
5994 /** Called when a route is removed from one of our route groups */
5996 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
5998 update_route_record_state ();
5999 RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
6002 boost::shared_ptr<RouteList>
6003 Session::get_tracks () const
6005 boost::shared_ptr<RouteList> rl = routes.reader ();
6006 boost::shared_ptr<RouteList> tl (new RouteList);
6008 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
6009 if (boost::dynamic_pointer_cast<Track> (*r)) {
6010 if (!(*r)->is_auditioner()) {
6018 boost::shared_ptr<RouteList>
6019 Session::get_routes_with_regions_at (framepos_t const p) const
6021 boost::shared_ptr<RouteList> r = routes.reader ();
6022 boost::shared_ptr<RouteList> rl (new RouteList);
6024 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6025 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6030 boost::shared_ptr<Playlist> pl = tr->playlist ();
6035 if (pl->has_region_at (p)) {
6044 Session::goto_end ()
6046 if (_session_range_location) {
6047 request_locate (_session_range_location->end(), false);
6049 request_locate (0, false);
6054 Session::goto_start ()
6056 if (_session_range_location) {
6057 request_locate (_session_range_location->start(), false);
6059 request_locate (0, false);
6064 Session::current_start_frame () const
6066 return _session_range_location ? _session_range_location->start() : 0;
6070 Session::current_end_frame () const
6072 return _session_range_location ? _session_range_location->end() : 0;
6076 Session::set_session_range_location (framepos_t start, framepos_t end)
6078 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange);
6079 _locations->add (_session_range_location);
6083 Session::step_edit_status_change (bool yn)
6089 send = (_step_editors == 0);
6094 send = (_step_editors == 1);
6097 if (_step_editors > 0) {
6103 StepEditStatusChange (val);
6109 Session::start_time_changed (framepos_t old)
6111 /* Update the auto loop range to match the session range
6112 (unless the auto loop range has been changed by the user)
6115 Location* s = _locations->session_range_location ();
6120 Location* l = _locations->auto_loop_location ();
6122 if (l && l->start() == old) {
6123 l->set_start (s->start(), true);
6128 Session::end_time_changed (framepos_t old)
6130 /* Update the auto loop range to match the session range
6131 (unless the auto loop range has been changed by the user)
6134 Location* s = _locations->session_range_location ();
6139 Location* l = _locations->auto_loop_location ();
6141 if (l && l->end() == old) {
6142 l->set_end (s->end(), true);
6146 std::vector<std::string>
6147 Session::source_search_path (DataType type) const
6151 if (session_dirs.size() == 1) {
6153 case DataType::AUDIO:
6154 sp.push_back (_session_dir->sound_path());
6156 case DataType::MIDI:
6157 sp.push_back (_session_dir->midi_path());
6161 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
6162 SessionDirectory sdir (i->path);
6164 case DataType::AUDIO:
6165 sp.push_back (sdir.sound_path());
6167 case DataType::MIDI:
6168 sp.push_back (sdir.midi_path());
6174 if (type == DataType::AUDIO) {
6175 const string sound_path_2X = _session_dir->sound_path_2X();
6176 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
6177 if (find (sp.begin(), sp.end(), sound_path_2X) == sp.end()) {
6178 sp.push_back (sound_path_2X);
6183 // now check the explicit (possibly user-specified) search path
6186 case DataType::AUDIO:
6187 sp += Searchpath(config.get_audio_search_path ());
6189 case DataType::MIDI:
6190 sp += Searchpath(config.get_midi_search_path ());
6198 Session::ensure_search_path_includes (const string& path, DataType type)
6207 case DataType::AUDIO:
6208 sp += Searchpath(config.get_audio_search_path ());
6210 case DataType::MIDI:
6211 sp += Searchpath (config.get_midi_search_path ());
6215 for (vector<std::string>::iterator i = sp.begin(); i != sp.end(); ++i) {
6216 /* No need to add this new directory if it has the same inode as
6217 an existing one; checking inode rather than name prevents duplicated
6218 directories when we are using symlinks.
6220 On Windows, I think we could just do if (*i == path) here.
6222 if (PBD::equivalent_paths (*i, path)) {
6230 case DataType::AUDIO:
6231 config.set_audio_search_path (sp.to_string());
6233 case DataType::MIDI:
6234 config.set_midi_search_path (sp.to_string());
6240 Session::remove_dir_from_search_path (const string& dir, DataType type)
6245 case DataType::AUDIO:
6246 sp = Searchpath(config.get_audio_search_path ());
6248 case DataType::MIDI:
6249 sp = Searchpath (config.get_midi_search_path ());
6256 case DataType::AUDIO:
6257 config.set_audio_search_path (sp.to_string());
6259 case DataType::MIDI:
6260 config.set_midi_search_path (sp.to_string());
6266 boost::shared_ptr<Speakers>
6267 Session::get_speakers()
6273 Session::unknown_processors () const
6277 boost::shared_ptr<RouteList> r = routes.reader ();
6278 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6279 list<string> t = (*i)->unknown_processors ();
6280 copy (t.begin(), t.end(), back_inserter (p));
6290 Session::update_latency (bool playback)
6292 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
6294 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress) {
6298 boost::shared_ptr<RouteList> r = routes.reader ();
6299 framecnt_t max_latency = 0;
6302 /* reverse the list so that we work backwards from the last route to run to the first */
6303 RouteList* rl = routes.reader().get();
6304 r.reset (new RouteList (*rl));
6305 reverse (r->begin(), r->end());
6308 /* compute actual latency values for the given direction and store them all in per-port
6309 structures. this will also publish the same values (to JACK) so that computation of latency
6310 for routes can consistently use public latency values.
6313 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6314 max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
6317 /* because we latency compensate playback, our published playback latencies should
6318 be the same for all output ports - all material played back by ardour has
6319 the same latency, whether its caused by plugins or by latency compensation. since
6320 these may differ from the values computed above, reset all playback port latencies
6324 DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
6326 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6327 (*i)->set_public_port_latencies (max_latency, playback);
6332 post_playback_latency ();
6336 post_capture_latency ();
6339 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
6343 Session::post_playback_latency ()
6345 set_worst_playback_latency ();
6347 boost::shared_ptr<RouteList> r = routes.reader ();
6349 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6350 if (!(*i)->is_auditioner() && ((*i)->active())) {
6351 _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
6355 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6356 (*i)->set_latency_compensation (_worst_track_latency);
6361 Session::post_capture_latency ()
6363 set_worst_capture_latency ();
6365 /* reflect any changes in capture latencies into capture offsets
6368 boost::shared_ptr<RouteList> rl = routes.reader();
6369 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
6370 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6372 tr->set_capture_offset ();
6378 Session::initialize_latencies ()
6381 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
6382 update_latency (false);
6383 update_latency (true);
6386 set_worst_io_latencies ();
6390 Session::set_worst_io_latencies ()
6392 set_worst_playback_latency ();
6393 set_worst_capture_latency ();
6397 Session::set_worst_playback_latency ()
6399 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6403 _worst_output_latency = 0;
6405 if (!_engine.connected()) {
6409 boost::shared_ptr<RouteList> r = routes.reader ();
6411 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6412 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
6415 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
6419 Session::set_worst_capture_latency ()
6421 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6425 _worst_input_latency = 0;
6427 if (!_engine.connected()) {
6431 boost::shared_ptr<RouteList> r = routes.reader ();
6433 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6434 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
6437 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
6441 Session::update_latency_compensation (bool force_whole_graph)
6443 bool some_track_latency_changed = false;
6445 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6449 DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
6451 _worst_track_latency = 0;
6453 boost::shared_ptr<RouteList> r = routes.reader ();
6455 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6456 if (!(*i)->is_auditioner() && ((*i)->active())) {
6458 if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
6459 some_track_latency_changed = true;
6461 _worst_track_latency = max (tl, _worst_track_latency);
6465 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
6466 (some_track_latency_changed ? "yes" : "no")));
6468 DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
6470 if (some_track_latency_changed || force_whole_graph) {
6471 _engine.update_latencies ();
6475 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6476 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6480 tr->set_capture_offset ();
6485 Session::session_name_is_legal (const string& path)
6487 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
6489 for (int i = 0; illegal_chars[i]; ++i) {
6490 if (path.find (illegal_chars[i]) != string::npos) {
6491 return illegal_chars[i];
6499 Session::next_control_id () const
6503 /* the monitor bus remote ID is in a different
6504 * "namespace" than regular routes. its existence doesn't
6505 * affect normal (low) numbered routes.
6512 /* the same about masterbus in Waves Tracks */
6514 if (Profile->get_trx() && _master_out) {
6518 return nroutes() - subtract;
6522 Session::notify_remote_id_change ()
6524 if (deletion_in_progress()) {
6528 switch (Config->get_remote_model()) {
6530 Route::RemoteControlIDChange (); /* EMIT SIGNAL */
6536 #ifdef USE_TRACKS_CODE_FEATURES
6537 /* Waves Tracks: for Waves Tracks session it's required to reconnect their IOs
6538 * if track order has been changed by user
6540 reconnect_existing_routes(true, true);
6546 Session::sync_order_keys ()
6548 if (deletion_in_progress()) {
6552 /* tell everyone that something has happened to the sort keys
6553 and let them sync up with the change(s)
6554 this will give objects that manage the sort order keys the
6555 opportunity to keep them in sync if they wish to.
6558 DEBUG_TRACE (DEBUG::OrderKeys, "Sync Order Keys.\n");
6560 reassign_track_numbers();
6562 Route::SyncOrderKeys (); /* EMIT SIGNAL */
6564 DEBUG_TRACE (DEBUG::OrderKeys, "\tsync done\n");
6568 Session::operation_in_progress (GQuark op) const
6570 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
6573 boost::shared_ptr<Port>
6574 Session::ltc_input_port () const
6576 return _ltc_input->nth (0);
6579 boost::shared_ptr<Port>
6580 Session::ltc_output_port () const
6582 return _ltc_output->nth (0);
6586 Session::reconnect_ltc_input ()
6590 string src = Config->get_ltc_source_port();
6592 _ltc_input->disconnect (this);
6594 if (src != _("None") && !src.empty()) {
6595 _ltc_input->nth (0)->connect (src);
6598 if ( ARDOUR::Profile->get_trx () ) {
6599 // Tracks need this signal to update timecode_source_dropdown
6600 MtcOrLtcInputPortChanged (); //emit signal
6606 Session::reconnect_ltc_output ()
6610 string src = Config->get_ltc_output_port();
6612 _ltc_output->disconnect (this);
6614 if (src != _("None") && !src.empty()) {
6615 _ltc_output->nth (0)->connect (src);
6621 Session::set_range_selection (framepos_t start, framepos_t end)
6623 _range_selection = Evoral::Range<framepos_t> (start, end);
6624 #ifdef USE_TRACKS_CODE_FEATURES
6625 follow_playhead_priority ();
6630 Session::set_object_selection (framepos_t start, framepos_t end)
6632 _object_selection = Evoral::Range<framepos_t> (start, end);
6633 #ifdef USE_TRACKS_CODE_FEATURES
6634 follow_playhead_priority ();
6639 Session::clear_range_selection ()
6641 _range_selection = Evoral::Range<framepos_t> (-1,-1);
6642 #ifdef USE_TRACKS_CODE_FEATURES
6643 follow_playhead_priority ();
6648 Session::clear_object_selection ()
6650 _object_selection = Evoral::Range<framepos_t> (-1,-1);
6651 #ifdef USE_TRACKS_CODE_FEATURES
6652 follow_playhead_priority ();