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.
27 #include <cstdio> /* sprintf(3) ... grrr */
33 #include <glibmm/threads.h>
34 #include <glibmm/miscutils.h>
35 #include <glibmm/fileutils.h>
37 #include <boost/algorithm/string/erase.hpp>
39 #include "pbd/basename.h"
40 #include "pbd/boost_debug.h"
41 #include "pbd/convert.h"
42 #include "pbd/convert.h"
43 #include "pbd/error.h"
44 #include "pbd/file_utils.h"
46 #include "pbd/search_path.h"
47 #include "pbd/stacktrace.h"
48 #include "pbd/stl_delete.h"
49 #include "pbd/replace_all.h"
50 #include "pbd/unwind.h"
52 #include "ardour/amp.h"
53 #include "ardour/analyser.h"
54 #include "ardour/async_midi_port.h"
55 #include "ardour/audio_buffer.h"
56 #include "ardour/audio_diskstream.h"
57 #include "ardour/audio_port.h"
58 #include "ardour/audio_track.h"
59 #include "ardour/audioengine.h"
60 #include "ardour/audiofilesource.h"
61 #include "ardour/auditioner.h"
62 #include "ardour/buffer_manager.h"
63 #include "ardour/buffer_set.h"
64 #include "ardour/bundle.h"
65 #include "ardour/butler.h"
66 #include "ardour/click.h"
67 #include "ardour/control_protocol_manager.h"
68 #include "ardour/data_type.h"
69 #include "ardour/debug.h"
70 #include "ardour/directory_names.h"
71 #ifdef USE_TRACKS_CODE_FEATURES
72 #include "ardour/engine_state_controller.h"
74 #include "ardour/filename_extensions.h"
75 #include "ardour/graph.h"
76 #include "ardour/midiport_manager.h"
77 #include "ardour/scene_changer.h"
78 #include "ardour/midi_track.h"
79 #include "ardour/midi_ui.h"
80 #include "ardour/operations.h"
81 #include "ardour/playlist.h"
82 #include "ardour/plugin.h"
83 #include "ardour/plugin_insert.h"
84 #include "ardour/process_thread.h"
85 #include "ardour/profile.h"
86 #include "ardour/rc_configuration.h"
87 #include "ardour/recent_sessions.h"
88 #include "ardour/region.h"
89 #include "ardour/region_factory.h"
90 #include "ardour/route_graph.h"
91 #include "ardour/route_group.h"
92 #include "ardour/route_sorters.h"
93 #include "ardour/send.h"
94 #include "ardour/session.h"
95 #include "ardour/session_directory.h"
96 #include "ardour/session_playlists.h"
97 #include "ardour/smf_source.h"
98 #include "ardour/source_factory.h"
99 #include "ardour/speakers.h"
100 #include "ardour/tempo.h"
101 #include "ardour/track.h"
102 #include "ardour/user_bundle.h"
103 #include "ardour/utils.h"
105 #include "midi++/port.h"
106 #include "midi++/mmc.h"
117 using namespace ARDOUR;
120 bool Session::_disable_all_loaded_plugins = false;
122 PBD::Signal1<int,uint32_t> Session::AudioEngineSetupRequired;
123 PBD::Signal1<void,std::string> Session::Dialog;
124 PBD::Signal0<int> Session::AskAboutPendingState;
125 PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
126 PBD::Signal0<void> Session::SendFeedback;
127 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
129 PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
130 PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
131 PBD::Signal2<void,std::string, std::string> Session::Exported;
132 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
133 PBD::Signal0<void> Session::Quit;
134 PBD::Signal0<void> Session::FeedbackDetected;
135 PBD::Signal0<void> Session::SuccessfulGraphSort;
136 PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
138 const framecnt_t Session::bounce_chunk_size = 65536;
139 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
140 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
142 /** @param snapshot_name Snapshot name, without .ardour suffix */
143 Session::Session (AudioEngine &eng,
144 const string& fullpath,
145 const string& snapshot_name,
146 BusProfile* bus_profile,
148 : playlists (new SessionPlaylists)
150 , process_function (&Session::process_with_events)
151 , _bounce_processing_active (false)
152 , waiting_for_sync_offset (false)
153 , _base_frame_rate (0)
154 , _current_frame_rate (0)
155 , _nominal_frame_rate (0)
156 , transport_sub_state (0)
157 , _record_status (Disabled)
158 , _transport_frame (0)
159 , _session_range_location (0)
162 , _transport_speed (0)
163 , _default_transport_speed (1.0)
164 , _last_transport_speed (0)
165 , _target_transport_speed (0.0)
166 , auto_play_legal (false)
167 , _last_slave_transport_frame (0)
168 , maximum_output_latency (0)
169 , _requested_return_frame (-1)
170 , current_block_size (0)
171 , _worst_output_latency (0)
172 , _worst_input_latency (0)
173 , _worst_track_latency (0)
174 , _have_captured (false)
175 , _non_soloed_outs_muted (false)
177 , _solo_isolated_cnt (0)
179 , _was_seamless (Config->get_seamless_loop ())
180 , _under_nsm_control (false)
182 , delta_accumulator_cnt (0)
183 , average_slave_delta (1800) // !!! why 1800 ???
185 , have_first_delta_accumulator (false)
186 , _slave_state (Stopped)
187 , post_export_sync (false)
188 , post_export_position (0)
190 , _export_started (false)
191 , _export_rolling (false)
192 , _pre_export_mmc_enabled (false)
193 , _name (snapshot_name)
195 , _send_qf_mtc (false)
196 , _pframes_since_last_mtc (0)
197 , session_midi_feedback (0)
199 , loop_changing (false)
201 , _session_dir (new SessionDirectory (fullpath))
202 , _current_snapshot_name (snapshot_name)
204 , state_was_pending (false)
205 , _state_of_the_state (StateOfTheState(CannotSave|InitialConnecting|Loading))
207 , _save_queued (false)
208 , _last_roll_location (0)
209 , _last_roll_or_reversal_location (0)
210 , _last_record_location (0)
211 , pending_locate_roll (false)
212 , pending_locate_frame (0)
213 , pending_locate_flush (false)
214 , pending_abort (false)
215 , pending_auto_loop (false)
216 , _butler (new Butler (*this))
217 , _post_transport_work (0)
218 , cumulative_rf_motion (0)
220 , _locations (new Locations (*this))
221 , _ignore_skips_updates (false)
222 , _rt_thread_active (false)
223 , _rt_emit_pending (false)
225 , outbound_mtc_timecode_frame (0)
226 , next_quarter_frame_to_send (-1)
227 , _frames_per_timecode_frame (0)
228 , _frames_per_hour (0)
229 , _timecode_frames_per_hour (0)
230 , last_timecode_valid (false)
231 , last_timecode_when (0)
232 , _send_timecode_update (false)
244 , ltc_timecode_offset (0)
245 , ltc_timecode_negative_offset (false)
246 , midi_control_ui (0)
248 , _all_route_group (new RouteGroup (*this, "all"))
249 , routes (new RouteList)
250 , _adding_routes_in_progress (false)
251 , _reconnecting_routes_in_progress (false)
252 , _route_deletion_in_progress (false)
253 , destructive_index (0)
254 , _track_number_decimals(1)
255 , solo_update_disabled (false)
256 , default_fade_steepness (0)
257 , default_fade_msecs (0)
258 , _total_free_4k_blocks (0)
259 , _total_free_4k_blocks_uncertain (false)
260 , no_questions_about_missing_files (false)
263 , _bundles (new BundleList)
264 , _bundle_xml_node (0)
268 , click_emphasis_data (0)
270 , click_emphasis_length (0)
271 , _clicks_cleared (0)
272 , _play_range (false)
274 , first_file_data_format_reset (true)
275 , first_file_header_format_reset (true)
276 , have_looped (false)
277 , _have_rec_enabled_track (false)
278 , _have_rec_disabled_track (true)
280 , _suspend_timecode_transmission (0)
281 , _speakers (new Speakers)
283 , ignore_route_processor_changes (false)
290 pthread_mutex_init (&_rt_emit_mutex, 0);
291 pthread_cond_init (&_rt_emit_cond, 0);
293 pre_engine_init (fullpath);
296 if (ensure_engine (sr)) {
298 throw failed_constructor ();
301 if (create (mix_template, bus_profile)) {
303 throw failed_constructor ();
306 /* if a mix template was provided, then ::create() will
307 * have copied it into the session and we need to load it
308 * so that we have the state ready for ::set_state()
309 * after the engine is started.
311 * Note that we do NOT try to get the sample rate from
312 * the template at this time, though doing so would
313 * be easy if we decided this was an appropriate part
317 if (!mix_template.empty()) {
318 if (load_state (_current_snapshot_name)) {
319 throw failed_constructor ();
321 store_recent_templates (mix_template);
324 /* load default session properties - if any */
329 if (load_state (_current_snapshot_name)) {
330 throw failed_constructor ();
333 /* try to get sample rate from XML state so that we
334 * can influence the SR if we set up the audio
339 const XMLProperty* prop;
340 if ((prop = state_tree->root()->property (X_("sample-rate"))) != 0) {
341 sr = atoi (prop->value());
345 if (ensure_engine (sr)) {
347 throw failed_constructor ();
351 if (post_engine_init ()) {
353 throw failed_constructor ();
356 store_recent_sessions (_name, _path);
358 bool was_dirty = dirty();
360 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
362 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
363 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
366 DirtyChanged (); /* EMIT SIGNAL */
369 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
370 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
374 emit_thread_start ();
376 /* hook us up to the engine since we are now completely constructed */
378 BootMessage (_("Connect to engine"));
380 _engine.set_session (this);
381 _engine.reset_timebase ();
383 #ifdef USE_TRACKS_CODE_FEATURES
385 EngineStateController::instance()->set_session(this);
388 if ( ARDOUR::Profile->get_trx () ) {
390 /* Waves Tracks: fill session with tracks basing on the amount of inputs.
391 * each available input must have corresponding track when session starts.
394 uint32_t how_many (0);
396 std::vector<std::string> inputs;
397 EngineStateController::instance()->get_physical_audio_inputs(inputs);
399 how_many = inputs.size();
401 list<boost::shared_ptr<AudioTrack> > tracks;
403 // Track names after driver
404 if (Config->get_tracks_auto_naming() == NameAfterDriver) {
405 string track_name = "";
406 for (std::vector<string>::size_type i = 0; i < inputs.size(); ++i) {
408 track_name = inputs[i];
409 replace_all (track_name, "system:capture", "");
411 list<boost::shared_ptr<AudioTrack> > single_track = new_audio_track (1, 1, Normal, 0, 1, track_name);
412 tracks.insert(tracks.begin(), single_track.front());
414 } else { // Default track names
415 tracks = new_audio_track (1, 1, Normal, 0, how_many, string());
418 if (tracks.size() != how_many) {
420 throw failed_constructor ();
428 BootMessage (_("Session loading complete"));
440 Session::ensure_engine (uint32_t desired_sample_rate)
442 if (_engine.current_backend() == 0) {
443 /* backend is unknown ... */
444 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
445 if (r.get_value_or (-1) != 0) {
448 } else if (_engine.setup_required()) {
449 /* backend is known, but setup is needed */
450 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
451 if (r.get_value_or (-1) != 0) {
454 } else if (!_engine.running()) {
455 if (_engine.start()) {
460 /* at this point the engine should be running
463 if (!_engine.running()) {
467 return immediately_post_engine ();
472 Session::immediately_post_engine ()
474 /* Do various initializations that should take place directly after we
475 * know that the engine is running, but before we either create a
476 * session or set state for an existing one.
479 if (how_many_dsp_threads () > 1) {
480 /* For now, only create the graph if we are using >1 DSP threads, as
481 it is a bit slower than the old code with 1 thread.
483 _process_graph.reset (new Graph (*this));
486 /* every time we reconnect, recompute worst case output latencies */
488 _engine.Running.connect_same_thread (*this, boost::bind (&Session::initialize_latencies, this));
490 if (synced_to_engine()) {
491 _engine.transport_stop ();
494 if (config.get_jack_time_master()) {
495 _engine.transport_locate (_transport_frame);
499 BootMessage (_("Set up LTC"));
501 BootMessage (_("Set up Click"));
503 BootMessage (_("Set up standard connections"));
507 catch (failed_constructor& err) {
511 /* TODO, connect in different thread. (PortRegisteredOrUnregistered may be in RT context)
513 _engine.PortRegisteredOrUnregistered.connect_same_thread (*this, boost::bind (&Session::setup_bundles, this));
521 vector<void*> debug_pointers;
523 /* if we got to here, leaving pending capture state around
527 remove_pending_capture_state ();
529 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
531 /* disconnect from any and all signals that we are connected to */
535 _engine.remove_session ();
537 #ifdef USE_TRACKS_CODE_FEATURES
538 EngineStateController::instance()->remove_session();
541 /* deregister all ports - there will be no process or any other
542 * callbacks from the engine any more.
545 Port::PortDrop (); /* EMIT SIGNAL */
549 /* clear history so that no references to objects are held any more */
553 /* clear state tree so that no references to objects are held any more */
558 /* reset dynamic state version back to default */
560 Stateful::loading_state_version = 0;
562 _butler->drop_references ();
566 delete _all_route_group;
568 DEBUG_TRACE (DEBUG::Destruction, "delete route groups\n");
569 for (list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
573 if (click_data != default_click) {
574 delete [] click_data;
577 if (click_emphasis_data != default_click_emphasis) {
578 delete [] click_emphasis_data;
583 /* need to remove auditioner before monitoring section
584 * otherwise it is re-connected */
587 /* drop references to routes held by the monitoring section
588 * specifically _monitor_out aux/listen references */
589 remove_monitor_section();
591 /* clear out any pending dead wood from RCU managed objects */
596 AudioDiskstream::free_working_buffers();
598 /* tell everyone who is still standing that we're about to die */
601 /* tell everyone to drop references and delete objects as we go */
603 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
604 RegionFactory::delete_all_regions ();
606 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
608 /* reset these three references to special routes before we do the usual route delete thing */
610 _master_out.reset ();
611 _monitor_out.reset ();
614 RCUWriter<RouteList> writer (routes);
615 boost::shared_ptr<RouteList> r = writer.get_copy ();
617 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
618 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
619 (*i)->drop_references ();
623 /* writer goes out of scope and updates master */
628 DEBUG_TRACE (DEBUG::Destruction, "delete sources\n");
629 Glib::Threads::Mutex::Lock lm (source_lock);
630 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
631 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for source %1 ; pre-ref = %2\n", i->second->name(), i->second.use_count()));
632 i->second->drop_references ();
638 /* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
641 emit_thread_terminate ();
643 pthread_cond_destroy (&_rt_emit_cond);
644 pthread_mutex_destroy (&_rt_emit_mutex);
646 delete _scene_changer; _scene_changer = 0;
647 delete midi_control_ui; midi_control_ui = 0;
649 delete _mmc; _mmc = 0;
650 delete _midi_ports; _midi_ports = 0;
651 delete _locations; _locations = 0;
655 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
657 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
658 boost_debug_list_ptrs ();
663 Session::setup_ltc ()
667 _ltc_input.reset (new IO (*this, X_("LTC In"), IO::Input));
668 _ltc_output.reset (new IO (*this, X_("LTC Out"), IO::Output));
670 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC In"))) != 0) {
671 _ltc_input->set_state (*(child->children().front()), Stateful::loading_state_version);
674 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
675 _ltc_input->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
677 reconnect_ltc_input ();
680 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC Out"))) != 0) {
681 _ltc_output->set_state (*(child->children().front()), Stateful::loading_state_version);
684 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
685 _ltc_output->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
687 reconnect_ltc_output ();
690 /* fix up names of LTC ports because we don't want the normal
691 * IO style of NAME/TYPE-{in,out}N
694 _ltc_input->nth (0)->set_name (X_("LTC-in"));
695 _ltc_output->nth (0)->set_name (X_("LTC-out"));
699 Session::setup_click ()
702 _click_io.reset (new ClickIO (*this, X_("Click")));
703 _click_gain.reset (new Amp (*this));
704 _click_gain->activate ();
706 setup_click_state (state_tree->root());
708 setup_click_state (0);
713 Session::setup_click_state (const XMLNode* node)
715 const XMLNode* child = 0;
717 if (node && (child = find_named_node (*node, "Click")) != 0) {
719 /* existing state for Click */
722 if (Stateful::loading_state_version < 3000) {
723 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
725 const XMLNodeList& children (child->children());
726 XMLNodeList::const_iterator i = children.begin();
727 if ((c = _click_io->set_state (**i, Stateful::loading_state_version)) == 0) {
729 if (i != children.end()) {
730 c = _click_gain->set_state (**i, Stateful::loading_state_version);
736 _clicking = Config->get_clicking ();
740 error << _("could not setup Click I/O") << endmsg;
747 /* default state for Click: dual-mono to first 2 physical outputs */
750 _engine.get_physical_outputs (DataType::AUDIO, outs);
752 for (uint32_t physport = 0; physport < 2; ++physport) {
753 if (outs.size() > physport) {
754 if (_click_io->add_port (outs[physport], this)) {
755 // relax, even though its an error
760 if (_click_io->n_ports () > ChanCount::ZERO) {
761 _clicking = Config->get_clicking ();
767 Session::setup_bundles ()
771 RCUWriter<BundleList> writer (_bundles);
772 boost::shared_ptr<BundleList> b = writer.get_copy ();
773 for (BundleList::iterator i = b->begin(); i != b->end();) {
774 if (boost::dynamic_pointer_cast<UserBundle>(*i)) {
782 vector<string> inputs[DataType::num_types];
783 vector<string> outputs[DataType::num_types];
784 for (uint32_t i = 0; i < DataType::num_types; ++i) {
785 _engine.get_physical_inputs (DataType (DataType::Symbol (i)), inputs[i]);
786 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
789 /* Create a set of Bundle objects that map
790 to the physical I/O currently available. We create both
791 mono and stereo bundles, so that the common cases of mono
792 and stereo tracks get bundles to put in their mixer strip
793 in / out menus. There may be a nicer way of achieving that;
794 it doesn't really scale that well to higher channel counts
797 /* mono output bundles */
799 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
801 std::string pn = _engine.get_pretty_name_by_name (outputs[DataType::AUDIO][np]);
803 snprintf (buf, sizeof (buf), _("out %s"), pn.substr(0,12).c_str());
805 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
808 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
809 c->add_channel (_("mono"), DataType::AUDIO);
810 c->set_port (0, outputs[DataType::AUDIO][np]);
812 add_bundle (c, false);
815 /* stereo output bundles */
817 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
818 if (np + 1 < outputs[DataType::AUDIO].size()) {
820 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
821 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
822 c->add_channel (_("L"), DataType::AUDIO);
823 c->set_port (0, outputs[DataType::AUDIO][np]);
824 c->add_channel (_("R"), DataType::AUDIO);
825 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
827 add_bundle (c, false);
831 /* mono input bundles */
833 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
835 std::string pn = _engine.get_pretty_name_by_name (inputs[DataType::AUDIO][np]);
837 snprintf (buf, sizeof (buf), _("in %s"), pn.substr(0,12).c_str());
839 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
842 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
843 c->add_channel (_("mono"), DataType::AUDIO);
844 c->set_port (0, inputs[DataType::AUDIO][np]);
846 add_bundle (c, false);
849 /* stereo input bundles */
851 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
852 if (np + 1 < inputs[DataType::AUDIO].size()) {
854 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
856 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
857 c->add_channel (_("L"), DataType::AUDIO);
858 c->set_port (0, inputs[DataType::AUDIO][np]);
859 c->add_channel (_("R"), DataType::AUDIO);
860 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
862 add_bundle (c, false);
866 /* MIDI input bundles */
868 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
869 string n = inputs[DataType::MIDI][np];
870 std::string pn = _engine.get_pretty_name_by_name (n);
874 boost::erase_first (n, X_("alsa_pcm:"));
876 boost::shared_ptr<Bundle> c (new Bundle (n, false));
877 c->add_channel ("", DataType::MIDI);
878 c->set_port (0, inputs[DataType::MIDI][np]);
879 add_bundle (c, false);
882 /* MIDI output bundles */
884 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
885 string n = outputs[DataType::MIDI][np];
886 std::string pn = _engine.get_pretty_name_by_name (n);
890 boost::erase_first (n, X_("alsa_pcm:"));
892 boost::shared_ptr<Bundle> c (new Bundle (n, true));
893 c->add_channel ("", DataType::MIDI);
894 c->set_port (0, outputs[DataType::MIDI][np]);
895 add_bundle (c, false);
898 // we trust the backend to only calls us if there's a change
899 BundleAddedOrRemoved (); /* EMIT SIGNAL */
903 Session::auto_connect_master_bus ()
905 if (!_master_out || !Config->get_auto_connect_standard_busses() || _monitor_out) {
909 // Waves Tracks: Do not connect master bas for Tracks if AutoConnectMaster option is not set
910 // In this case it means "Multi Out" output mode
911 if (ARDOUR::Profile->get_trx() && !(Config->get_output_auto_connect() & AutoConnectMaster) ) {
915 /* if requested auto-connect the outputs to the first N physical ports.
918 uint32_t limit = _master_out->n_outputs().n_total();
919 vector<string> outputs[DataType::num_types];
921 for (uint32_t i = 0; i < DataType::num_types; ++i) {
922 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
925 for (uint32_t n = 0; n < limit; ++n) {
926 boost::shared_ptr<Port> p = _master_out->output()->nth (n);
928 if (outputs[p->type()].size() > n) {
929 connect_to = outputs[p->type()][n];
932 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
933 if (_master_out->output()->connect (p, connect_to, this)) {
934 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
943 Session::remove_monitor_section ()
945 if (!_monitor_out || Profile->get_trx()) {
949 /* force reversion to Solo-In-Place */
950 Config->set_solo_control_is_listen_control (false);
952 /* if we are auditioning, cancel it ... this is a workaround
953 to a problem (auditioning does not execute the process graph,
954 which is needed to remove routes when using >1 core for processing)
959 /* Hold process lock while doing this so that we don't hear bits and
960 * pieces of audio as we work on each route.
963 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
965 /* Connect tracks to monitor section. Note that in an
966 existing session, the internal sends will already exist, but we want the
967 routes to notice that they connect to the control out specifically.
971 boost::shared_ptr<RouteList> r = routes.reader ();
972 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
974 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
976 if ((*x)->is_monitor()) {
978 } else if ((*x)->is_master()) {
981 (*x)->remove_aux_or_listen (_monitor_out);
986 remove_route (_monitor_out);
987 auto_connect_master_bus ();
990 auditioner->connect ();
995 Session::add_monitor_section ()
999 if (_monitor_out || !_master_out || Profile->get_trx()) {
1003 boost::shared_ptr<Route> r (new Route (*this, _("Monitor"), Route::MonitorOut, DataType::AUDIO));
1009 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1010 // boost_debug_shared_ptr_mark_interesting (r.get(), "Route");
1013 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1014 r->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1015 r->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1019 add_routes (rl, false, false, false);
1021 assert (_monitor_out);
1023 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
1024 are undefined, at best.
1027 uint32_t limit = _monitor_out->n_inputs().n_audio();
1031 /* connect the inputs to the master bus outputs. this
1032 * represents a separate data feed from the internal sends from
1033 * each route. as of jan 2011, it allows the monitor section to
1034 * conditionally ignore either the internal sends or the normal
1035 * input feed, but we should really find a better way to do
1039 _master_out->output()->disconnect (this);
1041 for (uint32_t n = 0; n < limit; ++n) {
1042 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1043 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1046 string connect_to = o->name();
1047 if (_monitor_out->input()->connect (p, connect_to, this)) {
1048 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1056 /* if monitor section is not connected, connect it to physical outs
1059 if (Config->get_auto_connect_standard_busses() && !_monitor_out->output()->connected ()) {
1061 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1063 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1066 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1068 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1069 Config->get_monitor_bus_preferred_bundle())
1075 /* Monitor bus is audio only */
1077 vector<string> outputs[DataType::num_types];
1079 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1080 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1083 uint32_t mod = outputs[DataType::AUDIO].size();
1084 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1088 for (uint32_t n = 0; n < limit; ++n) {
1090 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1092 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1093 connect_to = outputs[DataType::AUDIO][n % mod];
1096 if (!connect_to.empty()) {
1097 if (_monitor_out->output()->connect (p, connect_to, this)) {
1098 error << string_compose (
1099 _("cannot connect control output %1 to %2"),
1110 /* Hold process lock while doing this so that we don't hear bits and
1111 * pieces of audio as we work on each route.
1114 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1116 /* Connect tracks to monitor section. Note that in an
1117 existing session, the internal sends will already exist, but we want the
1118 routes to notice that they connect to the control out specifically.
1122 boost::shared_ptr<RouteList> rls = routes.reader ();
1124 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1126 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1128 if ((*x)->is_monitor()) {
1130 } else if ((*x)->is_master()) {
1133 (*x)->enable_monitor_send ();
1138 auditioner->connect ();
1143 Session::reset_monitor_section ()
1145 /* Process lock should be held by the caller.*/
1147 if (!_monitor_out || Profile->get_trx()) {
1151 uint32_t limit = _master_out->n_outputs().n_audio();
1153 /* connect the inputs to the master bus outputs. this
1154 * represents a separate data feed from the internal sends from
1155 * each route. as of jan 2011, it allows the monitor section to
1156 * conditionally ignore either the internal sends or the normal
1157 * input feed, but we should really find a better way to do
1161 _master_out->output()->disconnect (this);
1162 _monitor_out->output()->disconnect (this);
1164 _monitor_out->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1165 _monitor_out->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1167 for (uint32_t n = 0; n < limit; ++n) {
1168 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1169 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1172 string connect_to = o->name();
1173 if (_monitor_out->input()->connect (p, connect_to, this)) {
1174 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1181 /* connect monitor section to physical outs
1184 if (Config->get_auto_connect_standard_busses()) {
1186 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1188 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1191 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1193 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1194 Config->get_monitor_bus_preferred_bundle())
1200 /* Monitor bus is audio only */
1202 vector<string> outputs[DataType::num_types];
1204 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1205 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1208 uint32_t mod = outputs[DataType::AUDIO].size();
1209 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1213 for (uint32_t n = 0; n < limit; ++n) {
1215 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1217 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1218 connect_to = outputs[DataType::AUDIO][n % mod];
1221 if (!connect_to.empty()) {
1222 if (_monitor_out->output()->connect (p, connect_to, this)) {
1223 error << string_compose (
1224 _("cannot connect control output %1 to %2"),
1235 /* Connect tracks to monitor section. Note that in an
1236 existing session, the internal sends will already exist, but we want the
1237 routes to notice that they connect to the control out specifically.
1241 boost::shared_ptr<RouteList> rls = routes.reader ();
1243 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1245 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1247 if ((*x)->is_monitor()) {
1249 } else if ((*x)->is_master()) {
1252 (*x)->enable_monitor_send ();
1258 Session::hookup_io ()
1260 /* stop graph reordering notifications from
1261 causing resorts, etc.
1264 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
1268 /* we delay creating the auditioner till now because
1269 it makes its own connections to ports.
1273 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
1275 throw failed_constructor ();
1277 a->use_new_diskstream ();
1281 catch (failed_constructor& err) {
1282 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
1286 /* load bundles, which we may have postponed earlier on */
1287 if (_bundle_xml_node) {
1288 load_bundles (*_bundle_xml_node);
1289 delete _bundle_xml_node;
1292 /* Tell all IO objects to connect themselves together */
1294 IO::enable_connecting ();
1296 /* Now tell all "floating" ports to connect to whatever
1297 they should be connected to.
1300 AudioEngine::instance()->reconnect_ports ();
1302 /* Anyone who cares about input state, wake up and do something */
1304 IOConnectionsComplete (); /* EMIT SIGNAL */
1306 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
1308 /* now handle the whole enchilada as if it was one
1309 graph reorder event.
1314 /* update the full solo state, which can't be
1315 correctly determined on a per-route basis, but
1316 needs the global overview that only the session
1320 update_route_solo_state ();
1324 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
1326 boost::shared_ptr<Track> track = wp.lock ();
1331 boost::shared_ptr<Playlist> playlist;
1333 if ((playlist = track->playlist()) != 0) {
1334 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
1335 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
1336 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
1341 Session::record_enabling_legal () const
1343 /* this used to be in here, but survey says.... we don't need to restrict it */
1344 // if (record_status() == Recording) {
1348 if (Config->get_all_safe()) {
1355 Session::set_track_monitor_input_status (bool yn)
1357 boost::shared_ptr<RouteList> rl = routes.reader ();
1358 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1359 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
1360 if (tr && tr->record_enabled ()) {
1361 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
1362 tr->request_input_monitoring (yn);
1368 Session::auto_punch_start_changed (Location* location)
1370 replace_event (SessionEvent::PunchIn, location->start());
1372 if (get_record_enabled() && config.get_punch_in()) {
1373 /* capture start has been changed, so save new pending state */
1374 save_state ("", true);
1379 Session::auto_punch_end_changed (Location* location)
1381 framepos_t when_to_stop = location->end();
1382 // when_to_stop += _worst_output_latency + _worst_input_latency;
1383 replace_event (SessionEvent::PunchOut, when_to_stop);
1387 Session::auto_punch_changed (Location* location)
1389 framepos_t when_to_stop = location->end();
1391 replace_event (SessionEvent::PunchIn, location->start());
1392 //when_to_stop += _worst_output_latency + _worst_input_latency;
1393 replace_event (SessionEvent::PunchOut, when_to_stop);
1396 /** @param loc A loop location.
1397 * @param pos Filled in with the start time of the required fade-out (in session frames).
1398 * @param length Filled in with the length of the required fade-out.
1401 Session::auto_loop_declick_range (Location* loc, framepos_t & pos, framepos_t & length)
1403 pos = max (loc->start(), loc->end() - 64);
1404 length = loc->end() - pos;
1408 Session::auto_loop_changed (Location* location)
1410 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
1413 auto_loop_declick_range (location, dcp, dcl);
1415 if (transport_rolling() && play_loop) {
1417 replace_event (SessionEvent::AutoLoopDeclick, dcp, dcl);
1419 // if (_transport_frame > location->end()) {
1421 if (_transport_frame < location->start() || _transport_frame > location->end()) {
1422 // relocate to beginning of loop
1423 clear_events (SessionEvent::LocateRoll);
1425 request_locate (location->start(), true);
1428 else if (Config->get_seamless_loop() && !loop_changing) {
1430 // schedule a locate-roll to refill the diskstreams at the
1431 // previous loop end
1432 loop_changing = true;
1434 if (location->end() > last_loopend) {
1435 clear_events (SessionEvent::LocateRoll);
1436 SessionEvent *ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, last_loopend, last_loopend, 0, true);
1442 clear_events (SessionEvent::AutoLoopDeclick);
1443 clear_events (SessionEvent::AutoLoop);
1446 last_loopend = location->end();
1451 Session::set_auto_punch_location (Location* location)
1455 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
1456 punch_connections.drop_connections();
1457 existing->set_auto_punch (false, this);
1458 remove_event (existing->start(), SessionEvent::PunchIn);
1459 clear_events (SessionEvent::PunchOut);
1460 auto_punch_location_changed (0);
1465 if (location == 0) {
1469 if (location->end() <= location->start()) {
1470 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1474 punch_connections.drop_connections ();
1476 location->StartChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, location));
1477 location->EndChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, location));
1478 location->Changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, location));
1480 location->set_auto_punch (true, this);
1482 auto_punch_changed (location);
1484 auto_punch_location_changed (location);
1488 Session::set_session_extents (framepos_t start, framepos_t end)
1491 if ((existing = _locations->session_range_location()) == 0) {
1492 //if there is no existing session, we need to make a new session location (should never happen)
1493 existing = new Location (*this, 0, 0, _("session"), Location::IsSessionRange);
1497 error << _("Session: you can't use that location for session start/end)") << endmsg;
1501 existing->set( start, end );
1507 Session::set_auto_loop_location (Location* location)
1511 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
1512 loop_connections.drop_connections ();
1513 existing->set_auto_loop (false, this);
1514 remove_event (existing->end(), SessionEvent::AutoLoop);
1517 auto_loop_declick_range (existing, dcp, dcl);
1518 remove_event (dcp, SessionEvent::AutoLoopDeclick);
1519 auto_loop_location_changed (0);
1524 if (location == 0) {
1528 if (location->end() <= location->start()) {
1529 error << _("You cannot use this location for auto-loop because it has zero or negative length") << endmsg;
1533 last_loopend = location->end();
1535 loop_connections.drop_connections ();
1537 location->StartChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1538 location->EndChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1539 location->Changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1540 location->FlagsChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1542 location->set_auto_loop (true, this);
1544 if (Config->get_loop_is_mode() && play_loop && Config->get_seamless_loop()) {
1545 // set all tracks to use internal looping
1546 boost::shared_ptr<RouteList> rl = routes.reader ();
1547 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1548 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1549 if (tr && !tr->hidden()) {
1550 tr->set_loop (location);
1555 /* take care of our stuff first */
1557 auto_loop_changed (location);
1559 /* now tell everyone else */
1561 auto_loop_location_changed (location);
1565 Session::update_marks (Location*)
1571 Session::update_skips (Location* loc, bool consolidate)
1573 if (_ignore_skips_updates) {
1577 Locations::LocationList skips;
1580 PBD::Unwinder<bool> uw (_ignore_skips_updates, true);
1581 consolidate_skips (loc);
1584 sync_locations_to_skips ();
1590 Session::consolidate_skips (Location* loc)
1592 Locations::LocationList all_locations = _locations->list ();
1594 for (Locations::LocationList::iterator l = all_locations.begin(); l != all_locations.end(); ) {
1596 if (!(*l)->is_skip ()) {
1601 /* don't test against self */
1608 switch (Evoral::coverage ((*l)->start(), (*l)->end(), loc->start(), loc->end())) {
1609 case Evoral::OverlapInternal:
1610 case Evoral::OverlapExternal:
1611 case Evoral::OverlapStart:
1612 case Evoral::OverlapEnd:
1613 /* adjust new location to cover existing one */
1614 loc->set_start (min (loc->start(), (*l)->start()));
1615 loc->set_end (max (loc->end(), (*l)->end()));
1616 /* we don't need this one any more */
1617 _locations->remove (*l);
1618 /* the location has been deleted, so remove reference to it in our local list */
1619 l = all_locations.erase (l);
1622 case Evoral::OverlapNone:
1630 Session::sync_locations_to_skips ()
1632 /* This happens asynchronously (in the audioengine thread). After the clear is done, we will call
1633 * Session::_sync_locations_to_skips() from the audioengine thread.
1635 clear_events (SessionEvent::Skip, boost::bind (&Session::_sync_locations_to_skips, this));
1639 Session::_sync_locations_to_skips ()
1641 /* called as a callback after existing Skip events have been cleared from a realtime audioengine thread */
1643 Locations::LocationList const & locs (_locations->list());
1645 for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
1647 Location* location = *i;
1649 if (location->is_skip() && location->is_skipping()) {
1650 SessionEvent* ev = new SessionEvent (SessionEvent::Skip, SessionEvent::Add, location->start(), location->end(), 1.0);
1658 Session::location_added (Location *location)
1660 if (location->is_auto_punch()) {
1661 set_auto_punch_location (location);
1664 if (location->is_auto_loop()) {
1665 set_auto_loop_location (location);
1668 if (location->is_session_range()) {
1669 /* no need for any signal handling or event setting with the session range,
1670 because we keep a direct reference to it and use its start/end directly.
1672 _session_range_location = location;
1675 if (location->is_mark()) {
1676 /* listen for per-location signals that require us to do any * global updates for marks */
1678 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1679 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1680 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1681 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1684 if (location->is_skip()) {
1685 /* listen for per-location signals that require us to update skip-locate events */
1687 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1688 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1689 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1690 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, false));
1692 update_skips (location, true);
1699 Session::location_removed (Location *location)
1701 if (location->is_auto_loop()) {
1702 set_auto_loop_location (0);
1703 set_track_loop (false);
1706 if (location->is_auto_punch()) {
1707 set_auto_punch_location (0);
1710 if (location->is_session_range()) {
1711 /* this is never supposed to happen */
1712 error << _("programming error: session range removed!") << endl;
1715 if (location->is_skip()) {
1717 update_skips (location, false);
1724 Session::locations_changed ()
1726 _locations->apply (*this, &Session::_locations_changed);
1730 Session::_locations_changed (const Locations::LocationList& locations)
1732 /* There was some mass-change in the Locations object.
1734 We might be re-adding a location here but it doesn't actually matter
1735 for all the locations that the Session takes an interest in.
1739 PBD::Unwinder<bool> protect_ignore_skip_updates (_ignore_skips_updates, true);
1740 for (Locations::LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
1741 location_added (*i);
1745 update_skips (NULL, false);
1749 Session::enable_record ()
1751 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
1752 /* no recording at anything except normal speed */
1757 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
1759 if (rs == Recording) {
1763 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
1765 _last_record_location = _transport_frame;
1766 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
1768 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1769 set_track_monitor_input_status (true);
1772 RecordStateChanged ();
1779 Session::disable_record (bool rt_context, bool force)
1783 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1785 if ((!Config->get_latched_record_enable () && !play_loop) || force) {
1786 g_atomic_int_set (&_record_status, Disabled);
1787 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
1789 if (rs == Recording) {
1790 g_atomic_int_set (&_record_status, Enabled);
1794 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1795 set_track_monitor_input_status (false);
1798 RecordStateChanged (); /* emit signal */
1801 remove_pending_capture_state ();
1807 Session::step_back_from_record ()
1809 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
1811 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1812 set_track_monitor_input_status (false);
1815 RecordStateChanged (); /* emit signal */
1820 Session::maybe_enable_record ()
1822 if (_step_editors > 0) {
1826 g_atomic_int_set (&_record_status, Enabled);
1828 /* This function is currently called from somewhere other than an RT thread.
1829 This save_state() call therefore doesn't impact anything. Doing it here
1830 means that we save pending state of which sources the next record will use,
1831 which gives us some chance of recovering from a crash during the record.
1834 save_state ("", true);
1836 if (_transport_speed) {
1837 if (!config.get_punch_in()) {
1841 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
1842 RecordStateChanged (); /* EMIT SIGNAL */
1849 Session::audible_frame () const
1855 offset = worst_playback_latency ();
1857 if (synced_to_engine()) {
1858 /* Note: this is basically just sync-to-JACK */
1859 tf = _engine.transport_frame();
1861 tf = _transport_frame;
1866 if (!non_realtime_work_pending()) {
1870 /* Check to see if we have passed the first guaranteed
1871 audible frame past our last start position. if not,
1872 return that last start point because in terms
1873 of audible frames, we have not moved yet.
1875 `Start position' in this context means the time we last
1876 either started, located, or changed transport direction.
1879 if (_transport_speed > 0.0f) {
1881 if (!play_loop || !have_looped) {
1882 if (tf < _last_roll_or_reversal_location + offset) {
1883 return _last_roll_or_reversal_location;
1891 } else if (_transport_speed < 0.0f) {
1893 /* XXX wot? no backward looping? */
1895 if (tf > _last_roll_or_reversal_location - offset) {
1896 return _last_roll_or_reversal_location;
1908 Session::set_frame_rate (framecnt_t frames_per_second)
1910 /** \fn void Session::set_frame_size(framecnt_t)
1911 the AudioEngine object that calls this guarantees
1912 that it will not be called while we are also in
1913 ::process(). Its fine to do things that block
1917 _base_frame_rate = frames_per_second;
1918 _nominal_frame_rate = frames_per_second;
1924 // XXX we need some equivalent to this, somehow
1925 // SndFileSource::setup_standard_crossfades (frames_per_second);
1929 /* XXX need to reset/reinstantiate all LADSPA plugins */
1933 Session::set_block_size (pframes_t nframes)
1935 /* the AudioEngine guarantees
1936 that it will not be called while we are also in
1937 ::process(). It is therefore fine to do things that block
1942 current_block_size = nframes;
1946 boost::shared_ptr<RouteList> r = routes.reader ();
1948 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1949 (*i)->set_block_size (nframes);
1952 boost::shared_ptr<RouteList> rl = routes.reader ();
1953 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1954 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1956 tr->set_block_size (nframes);
1960 set_worst_io_latencies ();
1966 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
1968 boost::shared_ptr<Route> r2;
1970 if (r1->feeds (rbase) && rbase->feeds (r1)) {
1971 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
1975 /* make a copy of the existing list of routes that feed r1 */
1977 Route::FedBy existing (r1->fed_by());
1979 /* for each route that feeds r1, recurse, marking it as feeding
1983 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
1984 if (!(r2 = i->r.lock ())) {
1985 /* (*i) went away, ignore it */
1989 /* r2 is a route that feeds r1 which somehow feeds base. mark
1990 base as being fed by r2
1993 rbase->add_fed_by (r2, i->sends_only);
1997 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
2001 if (r1->feeds (r2) && r2->feeds (r1)) {
2005 /* now recurse, so that we can mark base as being fed by
2006 all routes that feed r2
2009 trace_terminal (r2, rbase);
2016 Session::resort_routes ()
2018 /* don't do anything here with signals emitted
2019 by Routes during initial setup or while we
2020 are being destroyed.
2023 if (_state_of_the_state & (InitialConnecting | Deletion)) {
2028 RCUWriter<RouteList> writer (routes);
2029 boost::shared_ptr<RouteList> r = writer.get_copy ();
2030 resort_routes_using (r);
2031 /* writer goes out of scope and forces update */
2035 boost::shared_ptr<RouteList> rl = routes.reader ();
2036 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2037 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
2039 const Route::FedBy& fb ((*i)->fed_by());
2041 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
2042 boost::shared_ptr<Route> sf = f->r.lock();
2044 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
2052 /** This is called whenever we need to rebuild the graph of how we will process
2054 * @param r List of routes, in any order.
2058 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
2060 /* We are going to build a directed graph of our routes;
2061 this is where the edges of that graph are put.
2066 /* Go through all routes doing two things:
2068 * 1. Collect the edges of the route graph. Each of these edges
2069 * is a pair of routes, one of which directly feeds the other
2070 * either by a JACK connection or by an internal send.
2072 * 2. Begin the process of making routes aware of which other
2073 * routes directly or indirectly feed them. This information
2074 * is used by the solo code.
2077 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2079 /* Clear out the route's list of direct or indirect feeds */
2080 (*i)->clear_fed_by ();
2082 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
2084 bool via_sends_only;
2086 /* See if this *j feeds *i according to the current state of the JACK
2087 connections and internal sends.
2089 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
2090 /* add the edge to the graph (part #1) */
2091 edges.add (*j, *i, via_sends_only);
2092 /* tell the route (for part #2) */
2093 (*i)->add_fed_by (*j, via_sends_only);
2098 /* Attempt a topological sort of the route graph */
2099 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
2101 if (sorted_routes) {
2102 /* We got a satisfactory topological sort, so there is no feedback;
2105 Note: the process graph rechain does not require a
2106 topologically-sorted list, but hey ho.
2108 if (_process_graph) {
2109 _process_graph->rechain (sorted_routes, edges);
2112 _current_route_graph = edges;
2114 /* Complete the building of the routes' lists of what directly
2115 or indirectly feeds them.
2117 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2118 trace_terminal (*i, *i);
2121 *r = *sorted_routes;
2124 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
2125 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2126 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 signal order %2\n",
2127 (*i)->name(), (*i)->order_key ()));
2131 SuccessfulGraphSort (); /* EMIT SIGNAL */
2134 /* The topological sort failed, so we have a problem. Tell everyone
2135 and stick to the old graph; this will continue to be processed, so
2136 until the feedback is fixed, what is played back will not quite
2137 reflect what is actually connected. Note also that we do not
2138 do trace_terminal here, as it would fail due to an endless recursion,
2139 so the solo code will think that everything is still connected
2143 FeedbackDetected (); /* EMIT SIGNAL */
2148 /** Find a route name starting with \a base, maybe followed by the
2149 * lowest \a id. \a id will always be added if \a definitely_add_number
2150 * is true on entry; otherwise it will only be added if required
2151 * to make the name unique.
2153 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
2154 * The available route name with the lowest ID will be used, and \a id
2155 * will be set to the ID.
2157 * \return false if a route name could not be found, and \a track_name
2158 * and \a id do not reflect a free route name.
2161 Session::find_route_name (string const & base, uint32_t& id, char* name, size_t name_len, bool definitely_add_number)
2163 if (!definitely_add_number && route_by_name (base) == 0) {
2164 /* juse use the base */
2165 snprintf (name, name_len, "%s", base.c_str());
2170 snprintf (name, name_len, "%s %" PRIu32, base.c_str(), id);
2172 if (route_by_name (name) == 0) {
2178 } while (id < (UINT_MAX-1));
2183 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
2185 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
2187 in = ChanCount::ZERO;
2188 out = ChanCount::ZERO;
2190 boost::shared_ptr<RouteList> r = routes.reader ();
2192 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2193 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2194 if (tr && !tr->is_auditioner()) {
2195 in += tr->n_inputs();
2196 out += tr->n_outputs();
2201 /** Caller must not hold process lock
2202 * @param name_template string to use for the start of the name, or "" to use "MIDI".
2203 * @param instrument plugin info for the instrument to insert pre-fader, if any
2205 list<boost::shared_ptr<MidiTrack> >
2206 Session::new_midi_track (const ChanCount& input, const ChanCount& output, boost::shared_ptr<PluginInfo> instrument,
2207 TrackMode mode, RouteGroup* route_group, uint32_t how_many, string name_template)
2209 char track_name[32];
2210 uint32_t track_id = 0;
2212 RouteList new_routes;
2213 list<boost::shared_ptr<MidiTrack> > ret;
2215 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("MIDI");
2218 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, sizeof(track_name), use_number)) {
2219 error << "cannot find name for new midi track" << endmsg;
2223 boost::shared_ptr<MidiTrack> track;
2226 track.reset (new MidiTrack (*this, track_name, Route::Flag (0), mode));
2228 if (track->init ()) {
2232 track->use_new_diskstream();
2234 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2235 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
2238 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2239 if (track->input()->ensure_io (input, false, this)) {
2240 error << "cannot configure " << input << " out configuration for new midi track" << endmsg;
2244 if (track->output()->ensure_io (output, false, this)) {
2245 error << "cannot configure " << output << " out configuration for new midi track" << endmsg;
2250 track->non_realtime_input_change();
2253 route_group->add (track);
2256 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
2258 if (Config->get_remote_model() == UserOrdered) {
2259 track->set_remote_control_id (next_control_id());
2262 new_routes.push_back (track);
2263 ret.push_back (track);
2265 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2268 catch (failed_constructor &err) {
2269 error << _("Session: could not create new midi track.") << endmsg;
2273 catch (AudioEngine::PortRegistrationFailure& pfe) {
2275 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;
2283 if (!new_routes.empty()) {
2284 StateProtector sp (this);
2285 if (Profile->get_trx()) {
2286 add_routes (new_routes, false, false, false);
2288 add_routes (new_routes, true, true, false);
2292 for (RouteList::iterator r = new_routes.begin(); r != new_routes.end(); ++r) {
2293 PluginPtr plugin = instrument->load (*this);
2294 boost::shared_ptr<Processor> p (new PluginInsert (*this, plugin));
2295 (*r)->add_processor (p, PreFader);
2305 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
2307 boost::shared_ptr<Route> midi_track (wmt.lock());
2313 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
2315 if (change.after.n_audio() <= change.before.n_audio()) {
2319 /* new audio ports: make sure the audio goes somewhere useful,
2320 unless the user has no-auto-connect selected.
2322 The existing ChanCounts don't matter for this call as they are only
2323 to do with matching input and output indices, and we are only changing
2329 auto_connect_route (midi_track, dummy, dummy, false, false, ChanCount(), change.before);
2333 /** @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
2334 * @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
2335 * @param output_start As \a input_start, but for outputs.
2338 Session::auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
2339 bool with_lock, bool connect_inputs, ChanCount input_start, ChanCount output_start)
2341 if (!IO::connecting_legal) {
2345 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2351 /* If both inputs and outputs are auto-connected to physical ports,
2352 use the max of input and output offsets to ensure auto-connected
2353 port numbers always match up (e.g. the first audio input and the
2354 first audio output of the route will have the same physical
2355 port number). Otherwise just use the lowest input or output
2359 DEBUG_TRACE (DEBUG::Graph,
2360 string_compose("Auto-connect: existing in = %1 out = %2\n",
2361 existing_inputs, existing_outputs));
2363 const bool in_out_physical =
2364 (Config->get_input_auto_connect() & AutoConnectPhysical)
2365 && (Config->get_output_auto_connect() & AutoConnectPhysical)
2368 const ChanCount in_offset = in_out_physical
2369 ? ChanCount::max(existing_inputs, existing_outputs)
2372 const ChanCount out_offset = in_out_physical
2373 ? ChanCount::max(existing_inputs, existing_outputs)
2376 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
2377 vector<string> physinputs;
2378 vector<string> physoutputs;
2380 _engine.get_physical_outputs (*t, physoutputs);
2381 _engine.get_physical_inputs (*t, physinputs);
2383 if (!physinputs.empty() && connect_inputs) {
2384 uint32_t nphysical_in = physinputs.size();
2386 DEBUG_TRACE (DEBUG::Graph,
2387 string_compose("There are %1 physical inputs of type %2\n",
2390 for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
2393 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
2394 DEBUG_TRACE (DEBUG::Graph,
2395 string_compose("Get index %1 + %2 % %3 = %4\n",
2396 in_offset.get(*t), i, nphysical_in,
2397 (in_offset.get(*t) + i) % nphysical_in));
2398 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
2401 DEBUG_TRACE (DEBUG::Graph,
2402 string_compose("Connect route %1 IN to %2\n",
2403 route->name(), port));
2405 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
2409 ChanCount one_added (*t, 1);
2410 existing_inputs += one_added;
2414 if (!physoutputs.empty()) {
2415 uint32_t nphysical_out = physoutputs.size();
2416 for (uint32_t i = output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
2420 * do not create new connections if we reached the limit of physical outputs
2424 if (!(Config->get_output_auto_connect() & AutoConnectMaster) &&
2425 ARDOUR::Profile->get_trx () &&
2426 existing_outputs.get(*t) == nphysical_out ) {
2430 if ((*t) == DataType::MIDI && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
2431 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
2432 } else if ((*t) == DataType::AUDIO && (Config->get_output_auto_connect() & AutoConnectMaster)) {
2433 /* master bus is audio only */
2434 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
2435 port = _master_out->input()->ports().port(*t,
2436 i % _master_out->input()->n_ports().get(*t))->name();
2440 DEBUG_TRACE (DEBUG::Graph,
2441 string_compose("Connect route %1 OUT to %2\n",
2442 route->name(), port));
2444 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
2448 ChanCount one_added (*t, 1);
2449 existing_outputs += one_added;
2455 #ifdef USE_TRACKS_CODE_FEATURES
2458 compare_routes_by_remote_id (const boost::shared_ptr<Route>& route1, const boost::shared_ptr<Route>& route2)
2460 return route1->remote_control_id() < route2->remote_control_id();
2464 Session::reconnect_existing_routes (bool withLock, bool reconnect_master, bool reconnect_inputs, bool reconnect_outputs)
2466 // it is not allowed to perform connection
2467 if (!IO::connecting_legal) {
2471 // if we are deleting routes we will call this once at the end
2472 if (_route_deletion_in_progress) {
2476 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2482 // We need to disconnect the route's inputs and outputs first
2483 // basing on autoconnect configuration
2484 bool reconnectIputs = !(Config->get_input_auto_connect() & ManualConnect) && reconnect_inputs;
2485 bool reconnectOutputs = !(Config->get_output_auto_connect() & ManualConnect) && reconnect_outputs;
2487 ChanCount existing_inputs;
2488 ChanCount existing_outputs;
2489 count_existing_track_channels (existing_inputs, existing_outputs);
2491 //ChanCount inputs = ChanCount::ZERO;
2492 //ChanCount outputs = ChanCount::ZERO;
2494 RouteList existing_routes = *routes.reader ();
2495 existing_routes.sort (compare_routes_by_remote_id);
2498 PBD::Unwinder<bool> protect_ignore_changes (_reconnecting_routes_in_progress, true);
2500 vector<string> physinputs;
2501 vector<string> physoutputs;
2503 EngineStateController::instance()->get_physical_audio_outputs(physoutputs);
2504 EngineStateController::instance()->get_physical_audio_inputs(physinputs);
2506 uint32_t input_n = 0;
2507 uint32_t output_n = 0;
2508 RouteList::iterator rIter = existing_routes.begin();
2509 const AutoConnectOption current_input_auto_connection (Config->get_input_auto_connect());
2510 const AutoConnectOption current_output_auto_connection (Config->get_output_auto_connect());
2511 for (; rIter != existing_routes.end(); ++rIter) {
2512 if (*rIter == _master_out || *rIter == _monitor_out ) {
2516 if (current_output_auto_connection == AutoConnectPhysical) {
2517 (*rIter)->amp()->deactivate();
2518 } else if (current_output_auto_connection == AutoConnectMaster) {
2519 (*rIter)->amp()->activate();
2522 if (reconnectIputs) {
2523 (*rIter)->input()->disconnect (this); //GZ: check this; could be heavy
2525 for (uint32_t route_input_n = 0; route_input_n < (*rIter)->n_inputs().get(DataType::AUDIO); ++route_input_n) {
2527 if (current_input_auto_connection & AutoConnectPhysical) {
2529 if ( input_n == physinputs.size() ) {
2533 string port = physinputs[input_n];
2535 if (port.empty() ) {
2536 error << "Physical Input number "<< input_n << " is unavailable and cannot be connected" << endmsg;
2539 //GZ: check this; could be heavy
2540 (*rIter)->input()->connect ((*rIter)->input()->ports().port(DataType::AUDIO, route_input_n), port, this);
2546 if (reconnectOutputs) {
2548 //normalize route ouptuts: reduce the amount outputs to be equal to the amount of inputs
2549 if (current_output_auto_connection & AutoConnectPhysical) {
2551 //GZ: check this; could be heavy
2552 (*rIter)->output()->disconnect (this);
2553 size_t route_inputs_count = (*rIter)->n_inputs().get(DataType::AUDIO);
2555 //GZ: check this; could be heavy
2556 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, route_inputs_count), false, this );
2558 } else if (current_output_auto_connection & AutoConnectMaster){
2560 if (!reconnect_master) {
2564 //GZ: check this; could be heavy
2565 (*rIter)->output()->disconnect (this);
2568 uint32_t master_inputs_count = _master_out->n_inputs().get(DataType::AUDIO);
2569 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, master_inputs_count), false, this );
2571 error << error << "Master bus is not available" << endmsg;
2576 for (uint32_t route_output_n = 0; route_output_n < (*rIter)->n_outputs().get(DataType::AUDIO); ++route_output_n) {
2577 if (current_output_auto_connection & AutoConnectPhysical) {
2579 if ( output_n == physoutputs.size() ) {
2583 string port = physoutputs[output_n];
2585 if (port.empty() ) {
2586 error << "Physical Output number "<< output_n << " is unavailable and cannot be connected" << endmsg;
2589 //GZ: check this; could be heavy
2590 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2593 } else if (current_output_auto_connection & AutoConnectMaster) {
2595 if ( route_output_n == _master_out->n_inputs().get(DataType::AUDIO) ) {
2599 // connect to master bus
2600 string port = _master_out->input()->ports().port(DataType::AUDIO, route_output_n)->name();
2602 if (port.empty() ) {
2603 error << "MasterBus Input number "<< route_output_n << " is unavailable and cannot be connected" << endmsg;
2607 //GZ: check this; could be heavy
2608 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2614 //auto_connect_route (*rIter, inputs, outputs, false, reconnectIputs);
2617 _master_out->output()->disconnect (this);
2618 auto_connect_master_bus ();
2623 session_routes_reconnected (); /* EMIT SIGNAL */
2627 Session::reconnect_midi_scene_ports(bool inputs)
2631 boost::shared_ptr<MidiPort> scene_in_ptr = scene_in();
2633 scene_in_ptr->disconnect_all ();
2635 std::vector<EngineStateController::MidiPortState> midi_port_states;
2636 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2638 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2640 for (; state_iter != midi_port_states.end(); ++state_iter) {
2641 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2642 scene_in_ptr->connect (state_iter->name);
2649 boost::shared_ptr<MidiPort> scene_out_ptr = scene_out();
2651 if (scene_out_ptr ) {
2652 scene_out_ptr->disconnect_all ();
2654 std::vector<EngineStateController::MidiPortState> midi_port_states;
2655 EngineStateController::instance()->get_physical_midi_output_states (midi_port_states);
2657 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2659 for (; state_iter != midi_port_states.end(); ++state_iter) {
2660 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2661 scene_out_ptr->connect (state_iter->name);
2669 Session::reconnect_mtc_ports()
2672 boost::shared_ptr<MidiPort> mtc_in_ptr = _midi_ports->mtc_input_port();
2675 mtc_in_ptr->disconnect_all ();
2677 std::vector<EngineStateController::MidiPortState> midi_port_states;
2678 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2680 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2682 for (; state_iter != midi_port_states.end(); ++state_iter) {
2683 if (state_iter->available && state_iter->mtc_in) {
2684 mtc_in_ptr->connect (state_iter->name);
2688 if (!_midi_ports->mtc_input_port ()->connected () &&
2689 config.get_external_sync () &&
2690 (Config->get_sync_source () == MTC) ) {
2691 config.set_external_sync (false);
2693 if ( ARDOUR::Profile->get_trx () ) {
2694 // Tracks need this signal to update timecode_source_dropdown
2695 MtcOrLtcInputPortChanged (); //emit signal
2702 Session::reconnect_mmc_ports(bool inputs)
2704 if (inputs ) { // get all enabled midi input ports
2706 boost::shared_ptr<MidiPort> mmc_in_ptr = _midi_ports->mmc_in();
2708 mmc_in_ptr->disconnect_all ();
2709 std::vector<std::string> enabled_midi_inputs;
2710 EngineStateController::instance()->get_physical_midi_inputs (enabled_midi_inputs);
2712 std::vector<std::string>::iterator port_iter = enabled_midi_inputs.begin();
2714 for (; port_iter != enabled_midi_inputs.end(); ++port_iter) {
2715 mmc_in_ptr->connect (*port_iter);
2719 } else { // get all enabled midi output ports
2721 boost::shared_ptr<MidiPort> mmc_out_ptr = _midi_ports->mmc_out();
2723 mmc_out_ptr->disconnect_all ();
2724 std::vector<std::string> enabled_midi_outputs;
2725 EngineStateController::instance()->get_physical_midi_outputs (enabled_midi_outputs);
2727 std::vector<std::string>::iterator port_iter = enabled_midi_outputs.begin();
2729 for (; port_iter != enabled_midi_outputs.end(); ++port_iter) {
2730 mmc_out_ptr->connect (*port_iter);
2738 /** Caller must not hold process lock
2739 * @param name_template string to use for the start of the name, or "" to use "Audio".
2741 list< boost::shared_ptr<AudioTrack> >
2742 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode, RouteGroup* route_group,
2743 uint32_t how_many, string name_template)
2745 char track_name[32];
2746 uint32_t track_id = 0;
2748 RouteList new_routes;
2749 list<boost::shared_ptr<AudioTrack> > ret;
2751 string name_pattern;
2753 if (Profile->get_trx() ) {
2754 name_pattern = "Track ";
2756 name_pattern = "Audio ";
2759 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _(name_pattern.c_str() );
2763 if (!find_route_name (name_template.empty() ? _(name_pattern.c_str()) : name_template, ++track_id, track_name, sizeof(track_name), use_number)) {
2764 error << "cannot find name for new audio track" << endmsg;
2768 boost::shared_ptr<AudioTrack> track;
2771 track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
2773 if (track->init ()) {
2777 if (ARDOUR::Profile->get_trx ()) {
2778 // TRACKS considers it's not a USE CASE, it's
2779 // a piece of behavior of the session model:
2781 // Gain for a newly created route depends on
2782 // the current output_auto_connect mode:
2784 // 0 for Stereo Out mode
2786 if (Config->get_output_auto_connect() & AutoConnectMaster) {
2787 track->set_gain (dB_to_coefficient (0), 0);
2791 track->use_new_diskstream();
2793 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2794 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
2797 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2799 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
2800 error << string_compose (
2801 _("cannot configure %1 in/%2 out configuration for new audio track"),
2802 input_channels, output_channels)
2807 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
2808 error << string_compose (
2809 _("cannot configure %1 in/%2 out configuration for new audio track"),
2810 input_channels, output_channels)
2817 route_group->add (track);
2820 track->non_realtime_input_change();
2822 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
2823 if (Config->get_remote_model() == UserOrdered) {
2824 track->set_remote_control_id (next_control_id());
2827 new_routes.push_back (track);
2828 ret.push_back (track);
2830 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2833 catch (failed_constructor &err) {
2834 error << _("Session: could not create new audio track.") << endmsg;
2838 catch (AudioEngine::PortRegistrationFailure& pfe) {
2840 error << pfe.what() << endmsg;
2848 if (!new_routes.empty()) {
2849 StateProtector sp (this);
2850 if (Profile->get_trx()) {
2851 add_routes (new_routes, false, false, false);
2853 add_routes (new_routes, true, true, false);
2860 /** Caller must not hold process lock.
2861 * @param name_template string to use for the start of the name, or "" to use "Bus".
2864 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template)
2867 uint32_t bus_id = 0;
2871 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
2874 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, sizeof(bus_name), use_number)) {
2875 error << "cannot find name for new audio bus" << endmsg;
2880 boost::shared_ptr<Route> bus (new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO));
2886 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2887 // boost_debug_shared_ptr_mark_interesting (bus.get(), "Route");
2890 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2892 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
2893 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
2894 input_channels, output_channels)
2900 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
2901 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
2902 input_channels, output_channels)
2909 route_group->add (bus);
2911 if (Config->get_remote_model() == UserOrdered) {
2912 bus->set_remote_control_id (next_control_id());
2915 bus->add_internal_return ();
2917 ret.push_back (bus);
2919 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2925 catch (failed_constructor &err) {
2926 error << _("Session: could not create new audio route.") << endmsg;
2930 catch (AudioEngine::PortRegistrationFailure& pfe) {
2931 error << pfe.what() << endmsg;
2941 StateProtector sp (this);
2942 if (Profile->get_trx()) {
2943 add_routes (ret, false, false, false);
2945 add_routes (ret, false, true, true); // autoconnect // outputs only
2954 Session::new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name_base)
2957 uint32_t control_id;
2959 uint32_t number = 0;
2960 const uint32_t being_added = how_many;
2962 if (!tree.read (template_path.c_str())) {
2966 XMLNode* node = tree.root();
2968 IO::disable_connecting ();
2970 control_id = next_control_id ();
2974 XMLNode node_copy (*node);
2976 /* Remove IDs of everything so that new ones are used */
2977 node_copy.remove_property_recursively (X_("id"));
2982 if (!name_base.empty()) {
2984 /* if we're adding more than one routes, force
2985 * all the names of the new routes to be
2986 * numbered, via the final parameter.
2989 if (!find_route_name (name_base.c_str(), ++number, name, sizeof(name), (being_added > 1))) {
2990 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
2996 string const route_name = node_copy.property(X_("name"))->value ();
2998 /* generate a new name by adding a number to the end of the template name */
2999 if (!find_route_name (route_name.c_str(), ++number, name, sizeof(name), true)) {
3000 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3001 abort(); /*NOTREACHED*/
3005 /* set this name in the XML description that we are about to use */
3006 Route::set_name_in_state (node_copy, name);
3008 /* trim bitslots from listen sends so that new ones are used */
3009 XMLNodeList children = node_copy.children ();
3010 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
3011 if ((*i)->name() == X_("Processor")) {
3012 XMLProperty* role = (*i)->property (X_("role"));
3013 if (role && role->value() == X_("Listen")) {
3014 (*i)->remove_property (X_("bitslot"));
3019 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
3022 error << _("Session: cannot create track/bus from template description") << endmsg;
3026 if (boost::dynamic_pointer_cast<Track>(route)) {
3027 /* force input/output change signals so that the new diskstream
3028 picks up the configuration of the route. During session
3029 loading this normally happens in a different way.
3032 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3034 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
3035 change.after = route->input()->n_ports();
3036 route->input()->changed (change, this);
3037 change.after = route->output()->n_ports();
3038 route->output()->changed (change, this);
3041 route->set_remote_control_id (control_id);
3044 ret.push_back (route);
3046 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3049 catch (failed_constructor &err) {
3050 error << _("Session: could not create new route from template") << endmsg;
3054 catch (AudioEngine::PortRegistrationFailure& pfe) {
3055 error << pfe.what() << endmsg;
3064 StateProtector sp (this);
3065 if (Profile->get_trx()) {
3066 add_routes (ret, false, false, false);
3068 add_routes (ret, true, true, false);
3070 IO::enable_connecting ();
3077 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save)
3080 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
3081 add_routes_inner (new_routes, input_auto_connect, output_auto_connect);
3084 error << _("Adding new tracks/busses failed") << endmsg;
3089 update_latency (true);
3090 update_latency (false);
3095 save_state (_current_snapshot_name);
3098 reassign_track_numbers();
3100 update_route_record_state ();
3102 RouteAdded (new_routes); /* EMIT SIGNAL */
3106 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect)
3108 ChanCount existing_inputs;
3109 ChanCount existing_outputs;
3110 uint32_t order = next_control_id();
3112 if (_order_hint > -1) {
3113 order = _order_hint;
3117 count_existing_track_channels (existing_inputs, existing_outputs);
3120 RCUWriter<RouteList> writer (routes);
3121 boost::shared_ptr<RouteList> r = writer.get_copy ();
3122 r->insert (r->end(), new_routes.begin(), new_routes.end());
3124 /* if there is no control out and we're not in the middle of loading,
3125 resort the graph here. if there is a control out, we will resort
3126 toward the end of this method. if we are in the middle of loading,
3127 we will resort when done.
3130 if (!_monitor_out && IO::connecting_legal) {
3131 resort_routes_using (r);
3135 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3137 boost::weak_ptr<Route> wpr (*x);
3138 boost::shared_ptr<Route> r (*x);
3140 r->listen_changed.connect_same_thread (*this, boost::bind (&Session::route_listen_changed, this, _1, wpr));
3141 r->solo_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2, wpr));
3142 r->solo_isolated_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, _1, wpr));
3143 r->mute_changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this, _1));
3144 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
3145 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
3147 if (r->is_master()) {
3151 if (r->is_monitor()) {
3155 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
3157 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
3158 track_playlist_changed (boost::weak_ptr<Track> (tr));
3159 tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_route_record_state, this));
3161 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
3163 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
3164 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
3169 if (input_auto_connect || output_auto_connect) {
3170 auto_connect_route (r, existing_inputs, existing_outputs, true, input_auto_connect);
3173 /* order keys are a GUI responsibility but we need to set up
3174 reasonable defaults because they also affect the remote control
3175 ID in most situations.
3178 if (!r->has_order_key ()) {
3179 if (r->is_auditioner()) {
3180 /* use an arbitrarily high value */
3181 r->set_order_key (UINT_MAX);
3183 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("while adding, set %1 to order key %2\n", r->name(), order));
3184 r->set_order_key (order);
3192 if (_monitor_out && IO::connecting_legal) {
3193 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
3195 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3196 if ((*x)->is_monitor()) {
3198 } else if ((*x)->is_master()) {
3201 (*x)->enable_monitor_send ();
3208 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
3210 boost::shared_ptr<RouteList> r = routes.reader ();
3211 boost::shared_ptr<Send> s;
3213 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3214 if ((s = (*i)->internal_send_for (dest)) != 0) {
3215 s->amp()->gain_control()->set_value (GAIN_COEFF_ZERO);
3221 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
3223 boost::shared_ptr<RouteList> r = routes.reader ();
3224 boost::shared_ptr<Send> s;
3226 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3227 if ((s = (*i)->internal_send_for (dest)) != 0) {
3228 s->amp()->gain_control()->set_value (GAIN_COEFF_UNITY);
3234 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
3236 boost::shared_ptr<RouteList> r = routes.reader ();
3237 boost::shared_ptr<Send> s;
3239 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3240 if ((s = (*i)->internal_send_for (dest)) != 0) {
3241 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value());
3246 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
3248 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
3250 boost::shared_ptr<RouteList> r = routes.reader ();
3251 boost::shared_ptr<RouteList> t (new RouteList);
3253 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3254 /* no MIDI sends because there are no MIDI busses yet */
3255 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
3260 add_internal_sends (dest, p, t);
3264 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
3266 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
3267 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
3272 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
3274 add_internal_send (dest, sender->before_processor_for_index (index), sender);
3278 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
3280 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
3284 if (!dest->internal_return()) {
3285 dest->add_internal_return ();
3288 sender->add_aux_send (dest, before);
3295 Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
3297 { // RCU Writer scope
3298 RCUWriter<RouteList> writer (routes);
3299 boost::shared_ptr<RouteList> rs = writer.get_copy ();
3302 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3304 if (*iter == _master_out) {
3308 (*iter)->set_solo (false, this);
3312 /* deleting the master out seems like a dumb
3313 idea, but its more of a UI policy issue
3317 if (*iter == _master_out) {
3318 _master_out = boost::shared_ptr<Route> ();
3321 if (*iter == _monitor_out) {
3322 _monitor_out.reset ();
3325 update_route_solo_state ();
3327 // We need to disconnect the route's inputs and outputs
3329 (*iter)->input()->disconnect (0);
3330 (*iter)->output()->disconnect (0);
3332 /* if the route had internal sends sending to it, remove them */
3333 if ((*iter)->internal_return()) {
3335 boost::shared_ptr<RouteList> r = routes.reader ();
3336 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3337 boost::shared_ptr<Send> s = (*i)->internal_send_for (*iter);
3339 (*i)->remove_processor (s);
3344 /* if the monitoring section had a pointer to this route, remove it */
3345 if (_monitor_out && !(*iter)->is_master() && !(*iter)->is_monitor()) {
3346 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3347 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
3348 (*iter)->remove_aux_or_listen (_monitor_out);
3351 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*iter);
3352 if (mt && mt->step_editing()) {
3353 if (_step_editors > 0) {
3358 RouteAddedOrRemoved (false); /* EMIT SIGNAL */
3361 /* writer goes out of scope, forces route list update */
3363 } // end of RCU Writer scope
3365 update_latency_compensation ();
3368 /* Re-sort routes to remove the graph's current references to the one that is
3369 * going away, then flush old references out of the graph.
3370 * Wave Tracks: reconnect routes
3373 #ifdef USE_TRACKS_CODE_FEATURES
3374 reconnect_existing_routes(true, false);
3379 if (_process_graph) {
3380 _process_graph->clear_other_chain ();
3383 /* get rid of it from the dead wood collection in the route list manager */
3384 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
3388 /* try to cause everyone to drop their references
3389 * and unregister ports from the backend
3391 PBD::Unwinder<bool> uw_flag (_route_deletion_in_progress, true);
3393 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3394 (*iter)->drop_references ();
3397 Route::RemoteControlIDChange(); /* EMIT SIGNAL */
3399 /* save the new state of the world */
3401 if (save_state (_current_snapshot_name)) {
3402 save_history (_current_snapshot_name);
3405 reassign_track_numbers();
3406 update_route_record_state ();
3410 Session::remove_route (boost::shared_ptr<Route> route)
3412 boost::shared_ptr<RouteList> rl (new RouteList);
3413 rl->push_back (route);
3418 Session::route_mute_changed (void* /*src*/)
3424 Session::route_listen_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
3426 boost::shared_ptr<Route> route = wpr.lock();
3428 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
3432 if (route->listening_via_monitor ()) {
3434 if (Config->get_exclusive_solo()) {
3435 /* new listen: disable all other listen */
3436 boost::shared_ptr<RouteList> r = routes.reader ();
3437 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3438 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3441 (*i)->set_listen (false, this);
3447 } else if (_listen_cnt > 0) {
3452 update_route_solo_state ();
3455 Session::route_solo_isolated_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
3457 boost::shared_ptr<Route> route = wpr.lock ();
3460 /* should not happen */
3461 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
3465 bool send_changed = false;
3467 if (route->solo_isolated()) {
3468 if (_solo_isolated_cnt == 0) {
3469 send_changed = true;
3471 _solo_isolated_cnt++;
3472 } else if (_solo_isolated_cnt > 0) {
3473 _solo_isolated_cnt--;
3474 if (_solo_isolated_cnt == 0) {
3475 send_changed = true;
3480 IsolatedChanged (); /* EMIT SIGNAL */
3485 Session::route_solo_changed (bool self_solo_change, void* /*src*/, boost::weak_ptr<Route> wpr)
3487 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1\n", self_solo_change));
3489 if (!self_solo_change) {
3490 // session doesn't care about changes to soloed-by-others
3494 if (solo_update_disabled) {
3496 DEBUG_TRACE (DEBUG::Solo, "solo update disabled - changed ignored\n");
3500 boost::shared_ptr<Route> route = wpr.lock ();
3503 boost::shared_ptr<RouteList> r = routes.reader ();
3506 if (route->self_soloed()) {
3512 RouteGroup* rg = route->route_group ();
3513 bool leave_group_alone = (rg && rg->is_active() && rg->is_solo());
3515 if (delta == 1 && Config->get_exclusive_solo()) {
3517 /* new solo: disable all other solos, but not the group if its solo-enabled */
3519 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3520 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner() ||
3521 (leave_group_alone && ((*i)->route_group() == rg))) {
3524 (*i)->set_solo (false, this);
3528 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
3530 solo_update_disabled = true;
3532 RouteList uninvolved;
3534 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
3536 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3537 bool via_sends_only;
3538 bool in_signal_flow;
3540 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner() ||
3541 (leave_group_alone && ((*i)->route_group() == rg))) {
3545 in_signal_flow = false;
3547 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
3549 if ((*i)->feeds (route, &via_sends_only)) {
3550 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
3551 if (!via_sends_only) {
3552 if (!route->soloed_by_others_upstream()) {
3553 (*i)->mod_solo_by_others_downstream (delta);
3556 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
3558 in_signal_flow = true;
3560 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
3563 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
3565 if (route->feeds (*i, &via_sends_only)) {
3566 /* propagate solo upstream only if routing other than
3567 sends is involved, but do consider the other route
3568 (*i) to be part of the signal flow even if only
3571 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
3575 route->soloed_by_others_downstream(),
3576 route->soloed_by_others_upstream()));
3577 if (!via_sends_only) {
3578 if (!route->soloed_by_others_downstream()) {
3579 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
3580 (*i)->mod_solo_by_others_upstream (delta);
3582 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others downstream\n");
3585 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
3587 in_signal_flow = true;
3589 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
3592 if (!in_signal_flow) {
3593 uninvolved.push_back (*i);
3597 solo_update_disabled = false;
3598 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
3600 update_route_solo_state (r);
3602 /* now notify that the mute state of the routes not involved in the signal
3603 pathway of the just-solo-changed route may have altered.
3606 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
3607 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
3608 (*i)->act_on_mute ();
3609 (*i)->mute_changed (this);
3612 SoloChanged (); /* EMIT SIGNAL */
3617 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
3619 /* now figure out if anything that matters is soloed (or is "listening")*/
3621 bool something_soloed = false;
3622 uint32_t listeners = 0;
3623 uint32_t isolated = 0;
3626 r = routes.reader();
3629 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3630 if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner() && (*i)->self_soloed()) {
3631 something_soloed = true;
3634 if (!(*i)->is_auditioner() && (*i)->listening_via_monitor()) {
3635 if (Config->get_solo_control_is_listen_control()) {
3638 (*i)->set_listen (false, this);
3642 if ((*i)->solo_isolated()) {
3647 if (something_soloed != _non_soloed_outs_muted) {
3648 _non_soloed_outs_muted = something_soloed;
3649 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
3652 _listen_cnt = listeners;
3654 if (isolated != _solo_isolated_cnt) {
3655 _solo_isolated_cnt = isolated;
3656 IsolatedChanged (); /* EMIT SIGNAL */
3659 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
3660 something_soloed, listeners, isolated));
3663 boost::shared_ptr<RouteList>
3664 Session::get_routes_with_internal_returns() const
3666 boost::shared_ptr<RouteList> r = routes.reader ();
3667 boost::shared_ptr<RouteList> rl (new RouteList);
3669 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3670 if ((*i)->internal_return ()) {
3678 Session::io_name_is_legal (const std::string& name)
3680 boost::shared_ptr<RouteList> r = routes.reader ();
3682 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3683 if ((*i)->name() == name) {
3687 if ((*i)->has_io_processor_named (name)) {
3696 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
3699 vector<string> connections;
3701 /* if we are passed only a single route and we're not told to turn
3702 * others off, then just do the simple thing.
3705 if (flip_others == false && rl->size() == 1) {
3706 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
3708 mt->set_input_active (onoff);
3713 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
3715 PortSet& ps ((*rt)->input()->ports());
3717 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
3718 p->get_connections (connections);
3721 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
3722 routes_using_input_from (*s, rl2);
3725 /* scan all relevant routes to see if others are on or off */
3727 bool others_are_already_on = false;
3729 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
3731 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
3737 if ((*r) != (*rt)) {
3738 if (mt->input_active()) {
3739 others_are_already_on = true;
3742 /* this one needs changing */
3743 mt->set_input_active (onoff);
3749 /* globally reverse other routes */
3751 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
3752 if ((*r) != (*rt)) {
3753 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
3755 mt->set_input_active (!others_are_already_on);
3764 Session::routes_using_input_from (const string& str, RouteList& rl)
3766 boost::shared_ptr<RouteList> r = routes.reader();
3768 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3769 if ((*i)->input()->connected_to (str)) {
3775 boost::shared_ptr<Route>
3776 Session::route_by_name (string name)
3778 boost::shared_ptr<RouteList> r = routes.reader ();
3780 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3781 if ((*i)->name() == name) {
3786 return boost::shared_ptr<Route> ((Route*) 0);
3789 boost::shared_ptr<Route>
3790 Session::route_by_id (PBD::ID id)
3792 boost::shared_ptr<RouteList> r = routes.reader ();
3794 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3795 if ((*i)->id() == id) {
3800 return boost::shared_ptr<Route> ((Route*) 0);
3803 boost::shared_ptr<Track>
3804 Session::track_by_diskstream_id (PBD::ID id)
3806 boost::shared_ptr<RouteList> r = routes.reader ();
3808 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3809 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
3810 if (t && t->using_diskstream_id (id)) {
3815 return boost::shared_ptr<Track> ();
3818 boost::shared_ptr<Route>
3819 Session::route_by_remote_id (uint32_t id)
3821 boost::shared_ptr<RouteList> r = routes.reader ();
3823 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3824 if ((*i)->remote_control_id() == id) {
3829 return boost::shared_ptr<Route> ((Route*) 0);
3834 Session::reassign_track_numbers ()
3838 RouteList r (*(routes.reader ()));
3839 SignalOrderRouteSorter sorter;
3842 StateProtector sp (this);
3844 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
3845 if (boost::dynamic_pointer_cast<Track> (*i)) {
3846 (*i)->set_track_number(++tn);
3848 else if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner()) {
3849 (*i)->set_track_number(--bn);
3852 const uint32_t decimals = ceilf (log10f (tn + 1));
3853 const bool decimals_changed = _track_number_decimals != decimals;
3854 _track_number_decimals = decimals;
3856 if (decimals_changed && config.get_track_name_number ()) {
3857 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
3858 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
3860 t->resync_track_name();
3863 // trigger GUI re-layout
3864 config.ParameterChanged("track-name-number");
3869 Session::playlist_region_added (boost::weak_ptr<Region> w)
3871 boost::shared_ptr<Region> r = w.lock ();
3876 /* These are the operations that are currently in progress... */
3877 list<GQuark> curr = _current_trans_quarks;
3880 /* ...and these are the operations during which we want to update
3881 the session range location markers.
3884 ops.push_back (Operations::capture);
3885 ops.push_back (Operations::paste);
3886 ops.push_back (Operations::duplicate_region);
3887 ops.push_back (Operations::insert_file);
3888 ops.push_back (Operations::insert_region);
3889 ops.push_back (Operations::drag_region_brush);
3890 ops.push_back (Operations::region_drag);
3891 ops.push_back (Operations::selection_grab);
3892 ops.push_back (Operations::region_fill);
3893 ops.push_back (Operations::fill_selection);
3894 ops.push_back (Operations::create_region);
3895 ops.push_back (Operations::region_copy);
3896 ops.push_back (Operations::fixed_time_region_copy);
3899 /* See if any of the current operations match the ones that we want */
3901 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
3903 /* If so, update the session range markers */
3905 maybe_update_session_range (r->position (), r->last_frame ());
3909 /** Update the session range markers if a is before the current start or
3910 * b is after the current end.
3913 Session::maybe_update_session_range (framepos_t a, framepos_t b)
3915 if (_state_of_the_state & Loading) {
3919 if (_session_range_location == 0) {
3921 add_session_range_location (a, b);
3925 if (a < _session_range_location->start()) {
3926 _session_range_location->set_start (a);
3929 if (b > _session_range_location->end()) {
3930 _session_range_location->set_end (b);
3936 Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
3938 for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
3939 maybe_update_session_range (i->to, i->to + i->length);
3944 Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
3946 for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
3947 maybe_update_session_range (i->from, i->to);
3951 /* Region management */
3953 boost::shared_ptr<Region>
3954 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
3956 const RegionFactory::RegionMap& regions (RegionFactory::regions());
3957 RegionFactory::RegionMap::const_iterator i;
3958 boost::shared_ptr<Region> region;
3960 Glib::Threads::Mutex::Lock lm (region_lock);
3962 for (i = regions.begin(); i != regions.end(); ++i) {
3966 if (region->whole_file()) {
3968 if (child->source_equivalent (region)) {
3974 return boost::shared_ptr<Region> ();
3978 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
3980 set<boost::shared_ptr<Region> > relevant_regions;
3982 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
3983 RegionFactory::get_regions_using_source (*s, relevant_regions);
3986 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
3987 set<boost::shared_ptr<Region> >::iterator tmp;
3992 playlists->destroy_region (*r);
3993 RegionFactory::map_remove (*r);
3995 (*r)->drop_sources ();
3996 (*r)->drop_references ();
3998 relevant_regions.erase (r);
4003 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
4006 Glib::Threads::Mutex::Lock ls (source_lock);
4007 /* remove from the main source list */
4008 sources.erase ((*s)->id());
4011 (*s)->mark_for_remove ();
4012 (*s)->drop_references ();
4021 Session::remove_last_capture ()
4023 list<boost::shared_ptr<Source> > srcs;
4025 boost::shared_ptr<RouteList> rl = routes.reader ();
4026 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4027 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4032 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
4035 srcs.insert (srcs.end(), l.begin(), l.end());
4040 destroy_sources (srcs);
4042 save_state (_current_snapshot_name);
4047 /* Source Management */
4050 Session::add_source (boost::shared_ptr<Source> source)
4052 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
4053 pair<SourceMap::iterator,bool> result;
4055 entry.first = source->id();
4056 entry.second = source;
4059 Glib::Threads::Mutex::Lock lm (source_lock);
4060 result = sources.insert (entry);
4063 if (result.second) {
4065 /* yay, new source */
4067 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
4070 if (!fs->within_session()) {
4071 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
4077 boost::shared_ptr<AudioFileSource> afs;
4079 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
4080 if (Config->get_auto_analyse_audio()) {
4081 Analyser::queue_source_for_analysis (source, false);
4085 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
4090 Session::remove_source (boost::weak_ptr<Source> src)
4092 if (_state_of_the_state & Deletion) {
4096 SourceMap::iterator i;
4097 boost::shared_ptr<Source> source = src.lock();
4104 Glib::Threads::Mutex::Lock lm (source_lock);
4106 if ((i = sources.find (source->id())) != sources.end()) {
4111 if (!(_state_of_the_state & StateOfTheState (InCleanup|Loading))) {
4113 /* save state so we don't end up with a session file
4114 referring to non-existent sources.
4117 save_state (_current_snapshot_name);
4121 boost::shared_ptr<Source>
4122 Session::source_by_id (const PBD::ID& id)
4124 Glib::Threads::Mutex::Lock lm (source_lock);
4125 SourceMap::iterator i;
4126 boost::shared_ptr<Source> source;
4128 if ((i = sources.find (id)) != sources.end()) {
4135 boost::shared_ptr<AudioFileSource>
4136 Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
4138 /* Restricted to audio files because only audio sources have channel
4142 Glib::Threads::Mutex::Lock lm (source_lock);
4144 for (SourceMap::const_iterator i = sources.begin(); i != sources.end(); ++i) {
4145 boost::shared_ptr<AudioFileSource> afs
4146 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
4148 if (afs && afs->path() == path && chn == afs->channel()) {
4153 return boost::shared_ptr<AudioFileSource>();
4156 boost::shared_ptr<MidiSource>
4157 Session::midi_source_by_path (const std::string& path) const
4159 /* Restricted to MIDI files because audio sources require a channel
4160 for unique identification, in addition to a path.
4163 Glib::Threads::Mutex::Lock lm (source_lock);
4165 for (SourceMap::const_iterator s = sources.begin(); s != sources.end(); ++s) {
4166 boost::shared_ptr<MidiSource> ms
4167 = boost::dynamic_pointer_cast<MidiSource>(s->second);
4168 boost::shared_ptr<FileSource> fs
4169 = boost::dynamic_pointer_cast<FileSource>(s->second);
4171 if (ms && fs && fs->path() == path) {
4176 return boost::shared_ptr<MidiSource>();
4180 Session::count_sources_by_origin (const string& path)
4183 Glib::Threads::Mutex::Lock lm (source_lock);
4185 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
4186 boost::shared_ptr<FileSource> fs
4187 = boost::dynamic_pointer_cast<FileSource>(i->second);
4189 if (fs && fs->origin() == path) {
4198 Session::peak_path (string base) const
4200 if (Glib::path_is_absolute (base)) {
4202 /* rip the session dir from the audiofile source */
4204 string session_path;
4205 string interchange_dir_string = string (interchange_dir_name) + G_DIR_SEPARATOR;
4206 bool in_another_session = true;
4208 if (base.find (interchange_dir_string) != string::npos) {
4210 session_path = Glib::path_get_dirname (base); /* now ends in audiofiles */
4211 session_path = Glib::path_get_dirname (session_path); /* now ends in session name */
4212 session_path = Glib::path_get_dirname (session_path); /* now ends in interchange */
4213 session_path = Glib::path_get_dirname (session_path); /* now has session path */
4215 /* see if it is within our session */
4217 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4218 if (i->path == session_path) {
4219 in_another_session = false;
4224 in_another_session = false;
4228 if (in_another_session) {
4229 SessionDirectory sd (session_path);
4230 return Glib::build_filename (sd.peak_path(), Glib::path_get_basename (base) + peakfile_suffix);
4234 base = Glib::path_get_basename (base);
4235 return Glib::build_filename (_session_dir->peak_path(), base + peakfile_suffix);
4239 Session::new_audio_source_path_for_embedded (const std::string& path)
4243 * we know that the filename is already unique because it exists
4244 * out in the filesystem.
4246 * However, when we bring it into the session, we could get a
4249 * Eg. two embedded files:
4254 * When merged into session, these collide.
4256 * There will not be a conflict with in-memory sources
4257 * because when the source was created we already picked
4258 * a unique name for it.
4260 * This collision is not likely to be common, but we have to guard
4261 * against it. So, if there is a collision, take the md5 hash of the
4262 * the path, and use that as the filename instead.
4265 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4266 string base = Glib::path_get_basename (path);
4267 string newpath = Glib::build_filename (sdir.sound_path(), base);
4269 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4273 md5.digestString (path.c_str());
4274 md5.writeToString ();
4275 base = md5.digestChars;
4277 string ext = get_suffix (path);
4284 newpath = Glib::build_filename (sdir.sound_path(), base);
4286 /* if this collides, we're screwed */
4288 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4289 error << string_compose (_("Merging embedded file %1: name collision AND md5 hash collision!"), path) << endmsg;
4298 /** Return true if there are no audio file sources that use @param name as
4299 * the filename component of their path.
4301 * Return false otherwise.
4303 * This method MUST ONLY be used to check in-session, mono files since it
4304 * hard-codes the channel of the audio file source we are looking for as zero.
4306 * If/when Ardour supports native files in non-mono formats, the logic here
4307 * will need to be revisited.
4310 Session::audio_source_name_is_unique (const string& name)
4312 std::vector<string> sdirs = source_search_path (DataType::AUDIO);
4313 vector<space_and_path>::iterator i;
4314 uint32_t existing = 0;
4316 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4318 /* note that we search *without* the extension so that
4319 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
4320 in the event that this new name is required for
4321 a file format change.
4324 const string spath = *i;
4326 if (matching_unsuffixed_filename_exists_in (spath, name)) {
4331 /* it is possible that we have the path already
4332 * assigned to a source that has not yet been written
4333 * (ie. the write source for a diskstream). we have to
4334 * check this in order to make sure that our candidate
4335 * path isn't used again, because that can lead to
4336 * two Sources point to the same file with different
4337 * notions of their removability.
4341 string possible_path = Glib::build_filename (spath, name);
4343 if (audio_source_by_path_and_channel (possible_path, 0)) {
4349 return (existing == 0);
4353 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)
4356 const string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
4360 sstr << setfill ('0') << setw (4) << cnt;
4361 sstr << legalized_base;
4363 sstr << legalized_base;
4365 if (take_required || related_exists) {
4377 } else if (nchan > 2) {
4382 /* XXX what? more than 26 channels! */
4393 /** Return a unique name based on \a base for a new internal audio source */
4395 Session::new_audio_source_path (const string& base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required)
4398 string possible_name;
4399 const uint32_t limit = 9999; // arbitrary limit on number of files with the same basic name
4401 bool some_related_source_name_exists = false;
4403 legalized = legalize_for_path (base);
4405 // Find a "version" of the base name that doesn't exist in any of the possible directories.
4407 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
4409 possible_name = format_audio_source_name (legalized, nchan, chan, destructive, take_required, cnt, some_related_source_name_exists);
4411 if (audio_source_name_is_unique (possible_name)) {
4415 some_related_source_name_exists = true;
4418 error << string_compose(
4419 _("There are already %1 recordings for %2, which I consider too many."),
4420 limit, base) << endmsg;
4422 throw failed_constructor();
4426 /* We've established that the new name does not exist in any session
4427 * directory, so now find out which one we should use for this new
4431 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4433 std::string s = Glib::build_filename (sdir.sound_path(), possible_name);
4438 /** Return a unique name based on `base` for a new internal MIDI source */
4440 Session::new_midi_source_path (const string& base)
4443 char buf[PATH_MAX+1];
4444 const uint32_t limit = 10000;
4446 string possible_path;
4447 string possible_name;
4450 legalized = legalize_for_path (base);
4452 // Find a "version" of the file name that doesn't exist in any of the possible directories.
4453 std::vector<string> sdirs = source_search_path(DataType::MIDI);
4455 /* - the main session folder is the first in the vector.
4456 * - after checking all locations for file-name uniqueness,
4457 * we keep the one from the last iteration as new file name
4458 * - midi files are small and should just be kept in the main session-folder
4460 * -> reverse the array, check main session folder last and use that as location
4463 std::reverse(sdirs.begin(), sdirs.end());
4465 for (cnt = 1; cnt <= limit; ++cnt) {
4467 vector<space_and_path>::iterator i;
4468 uint32_t existing = 0;
4470 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4472 snprintf (buf, sizeof(buf), "%s-%u.mid", legalized.c_str(), cnt);
4473 possible_name = buf;
4475 possible_path = Glib::build_filename (*i, possible_name);
4477 if (Glib::file_test (possible_path, Glib::FILE_TEST_EXISTS)) {
4481 if (midi_source_by_path (possible_path)) {
4486 if (existing == 0) {
4491 error << string_compose(
4492 _("There are already %1 recordings for %2, which I consider too many."),
4493 limit, base) << endmsg;
4499 /* No need to "find best location" for software/app-based RAID, because
4500 MIDI is so small that we always put it in the same place.
4503 return possible_path;
4507 /** Create a new within-session audio source */
4508 boost::shared_ptr<AudioFileSource>
4509 Session::create_audio_source_for_session (size_t n_chans, string const & base, uint32_t chan, bool destructive)
4511 const string path = new_audio_source_path (base, n_chans, chan, destructive, true);
4513 if (!path.empty()) {
4514 return boost::dynamic_pointer_cast<AudioFileSource> (
4515 SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, frame_rate()));
4517 throw failed_constructor ();
4521 /** Create a new within-session MIDI source */
4522 boost::shared_ptr<MidiSource>
4523 Session::create_midi_source_for_session (string const & basic_name)
4525 const string path = new_midi_source_path (basic_name);
4527 if (!path.empty()) {
4528 return boost::dynamic_pointer_cast<SMFSource> (
4529 SourceFactory::createWritable (
4530 DataType::MIDI, *this, path, false, frame_rate()));
4532 throw failed_constructor ();
4536 /** Create a new within-session MIDI source */
4537 boost::shared_ptr<MidiSource>
4538 Session::create_midi_source_by_stealing_name (boost::shared_ptr<Track> track)
4540 /* the caller passes in the track the source will be used in,
4541 so that we can keep the numbering sane.
4543 Rationale: a track with the name "Foo" that has had N
4544 captures carried out so far will ALREADY have a write source
4545 named "Foo-N+1.mid" waiting to be used for the next capture.
4547 If we call new_midi_source_name() we will get "Foo-N+2". But
4548 there is no region corresponding to "Foo-N+1", so when
4549 "Foo-N+2" appears in the track, the gap presents the user
4550 with odd behaviour - why did it skip past Foo-N+1?
4552 We could explain this to the user in some odd way, but
4553 instead we rename "Foo-N+1.mid" as "Foo-N+2.mid", and then
4556 If that attempted rename fails, we get "Foo-N+2.mid" anyway.
4559 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (track);
4561 std::string name = track->steal_write_source_name ();
4564 return boost::shared_ptr<MidiSource>();
4567 /* MIDI files are small, just put them in the first location of the
4568 session source search path.
4571 const string path = Glib::build_filename (source_search_path (DataType::MIDI).front(), name);
4573 return boost::dynamic_pointer_cast<SMFSource> (
4574 SourceFactory::createWritable (
4575 DataType::MIDI, *this, path, false, frame_rate()));
4580 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
4582 if (playlist->hidden()) {
4586 playlists->add (playlist);
4589 playlist->release();
4596 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
4598 if (_state_of_the_state & Deletion) {
4602 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
4608 playlists->remove (playlist);
4614 Session::set_audition (boost::shared_ptr<Region> r)
4616 pending_audition_region = r;
4617 add_post_transport_work (PostTransportAudition);
4618 _butler->schedule_transport_work ();
4622 Session::audition_playlist ()
4624 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
4625 ev->region.reset ();
4630 Session::non_realtime_set_audition ()
4632 assert (pending_audition_region);
4633 auditioner->audition_region (pending_audition_region);
4634 pending_audition_region.reset ();
4635 AuditionActive (true); /* EMIT SIGNAL */
4639 Session::audition_region (boost::shared_ptr<Region> r)
4641 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
4647 Session::cancel_audition ()
4652 if (auditioner->auditioning()) {
4653 auditioner->cancel_audition ();
4654 AuditionActive (false); /* EMIT SIGNAL */
4659 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
4661 if (a->is_monitor()) {
4664 if (b->is_monitor()) {
4667 return a->order_key () < b->order_key ();
4671 Session::is_auditioning () const
4673 /* can be called before we have an auditioner object */
4675 return auditioner->auditioning();
4682 Session::graph_reordered ()
4684 /* don't do this stuff if we are setting up connections
4685 from a set_state() call or creating new tracks. Ditto for deletion.
4688 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _reconnecting_routes_in_progress) {
4692 /* every track/bus asked for this to be handled but it was deferred because
4693 we were connecting. do it now.
4696 request_input_change_handling ();
4700 /* force all diskstreams to update their capture offset values to
4701 reflect any changes in latencies within the graph.
4704 boost::shared_ptr<RouteList> rl = routes.reader ();
4705 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4706 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4708 tr->set_capture_offset ();
4713 /** @return Number of frames that there is disk space available to write,
4716 boost::optional<framecnt_t>
4717 Session::available_capture_duration ()
4719 Glib::Threads::Mutex::Lock lm (space_lock);
4721 if (_total_free_4k_blocks_uncertain) {
4722 return boost::optional<framecnt_t> ();
4725 float sample_bytes_on_disk = 4.0; // keep gcc happy
4727 switch (config.get_native_file_data_format()) {
4729 sample_bytes_on_disk = 4.0;
4733 sample_bytes_on_disk = 3.0;
4737 sample_bytes_on_disk = 2.0;
4741 /* impossible, but keep some gcc versions happy */
4742 fatal << string_compose (_("programming error: %1"),
4743 X_("illegal native file data format"))
4745 abort(); /*NOTREACHED*/
4748 double scale = 4096.0 / sample_bytes_on_disk;
4750 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
4751 return max_framecnt;
4754 return (framecnt_t) floor (_total_free_4k_blocks * scale);
4758 Session::add_bundle (boost::shared_ptr<Bundle> bundle, bool emit_signal)
4761 RCUWriter<BundleList> writer (_bundles);
4762 boost::shared_ptr<BundleList> b = writer.get_copy ();
4763 b->push_back (bundle);
4767 BundleAddedOrRemoved (); /* EMIT SIGNAL */
4774 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
4776 bool removed = false;
4779 RCUWriter<BundleList> writer (_bundles);
4780 boost::shared_ptr<BundleList> b = writer.get_copy ();
4781 BundleList::iterator i = find (b->begin(), b->end(), bundle);
4783 if (i != b->end()) {
4790 BundleAddedOrRemoved (); /* EMIT SIGNAL */
4796 boost::shared_ptr<Bundle>
4797 Session::bundle_by_name (string name) const
4799 boost::shared_ptr<BundleList> b = _bundles.reader ();
4801 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
4802 if ((*i)->name() == name) {
4807 return boost::shared_ptr<Bundle> ();
4811 Session::tempo_map_changed (const PropertyChange&)
4815 playlists->update_after_tempo_map_change ();
4817 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
4823 Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
4825 for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
4826 (*i)->recompute_frames_from_bbt ();
4830 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
4831 * the given count with the current block size.
4834 Session::ensure_buffers (ChanCount howmany)
4836 BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
4840 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
4842 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
4843 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
4848 Session::next_insert_id ()
4850 /* this doesn't really loop forever. just think about it */
4853 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
4854 if (!insert_bitset[n]) {
4855 insert_bitset[n] = true;
4861 /* none available, so resize and try again */
4863 insert_bitset.resize (insert_bitset.size() + 16, false);
4868 Session::next_send_id ()
4870 /* this doesn't really loop forever. just think about it */
4873 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
4874 if (!send_bitset[n]) {
4875 send_bitset[n] = true;
4881 /* none available, so resize and try again */
4883 send_bitset.resize (send_bitset.size() + 16, false);
4888 Session::next_aux_send_id ()
4890 /* this doesn't really loop forever. just think about it */
4893 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < aux_send_bitset.size(); ++n) {
4894 if (!aux_send_bitset[n]) {
4895 aux_send_bitset[n] = true;
4901 /* none available, so resize and try again */
4903 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
4908 Session::next_return_id ()
4910 /* this doesn't really loop forever. just think about it */
4913 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < return_bitset.size(); ++n) {
4914 if (!return_bitset[n]) {
4915 return_bitset[n] = true;
4921 /* none available, so resize and try again */
4923 return_bitset.resize (return_bitset.size() + 16, false);
4928 Session::mark_send_id (uint32_t id)
4930 if (id >= send_bitset.size()) {
4931 send_bitset.resize (id+16, false);
4933 if (send_bitset[id]) {
4934 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
4936 send_bitset[id] = true;
4940 Session::mark_aux_send_id (uint32_t id)
4942 if (id >= aux_send_bitset.size()) {
4943 aux_send_bitset.resize (id+16, false);
4945 if (aux_send_bitset[id]) {
4946 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
4948 aux_send_bitset[id] = true;
4952 Session::mark_return_id (uint32_t id)
4954 if (id >= return_bitset.size()) {
4955 return_bitset.resize (id+16, false);
4957 if (return_bitset[id]) {
4958 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
4960 return_bitset[id] = true;
4964 Session::mark_insert_id (uint32_t id)
4966 if (id >= insert_bitset.size()) {
4967 insert_bitset.resize (id+16, false);
4969 if (insert_bitset[id]) {
4970 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
4972 insert_bitset[id] = true;
4976 Session::unmark_send_id (uint32_t id)
4978 if (id < send_bitset.size()) {
4979 send_bitset[id] = false;
4984 Session::unmark_aux_send_id (uint32_t id)
4986 if (id < aux_send_bitset.size()) {
4987 aux_send_bitset[id] = false;
4992 Session::unmark_return_id (uint32_t id)
4994 if (id < return_bitset.size()) {
4995 return_bitset[id] = false;
5000 Session::unmark_insert_id (uint32_t id)
5002 if (id < insert_bitset.size()) {
5003 insert_bitset[id] = false;
5008 Session::reset_native_file_format ()
5010 boost::shared_ptr<RouteList> rl = routes.reader ();
5011 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5012 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5014 /* don't save state as we do this, there's no point
5017 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
5018 tr->reset_write_sources (false);
5019 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
5025 Session::route_name_unique (string n) const
5027 boost::shared_ptr<RouteList> r = routes.reader ();
5029 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5030 if ((*i)->name() == n) {
5039 Session::route_name_internal (string n) const
5041 if (auditioner && auditioner->name() == n) {
5045 if (_click_io && _click_io->name() == n) {
5053 Session::freeze_all (InterThreadInfo& itt)
5055 boost::shared_ptr<RouteList> r = routes.reader ();
5057 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5059 boost::shared_ptr<Track> t;
5061 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
5062 /* XXX this is wrong because itt.progress will keep returning to zero at the start
5072 boost::shared_ptr<Region>
5073 Session::write_one_track (Track& track, framepos_t start, framepos_t end,
5074 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
5075 InterThreadInfo& itt,
5076 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
5077 bool for_export, bool for_freeze)
5079 boost::shared_ptr<Region> result;
5080 boost::shared_ptr<Playlist> playlist;
5081 boost::shared_ptr<Source> source;
5082 ChanCount diskstream_channels (track.n_channels());
5083 framepos_t position;
5084 framecnt_t this_chunk;
5086 framepos_t latency_skip;
5088 framepos_t len = end - start;
5089 bool need_block_size_reset = false;
5090 ChanCount const max_proc = track.max_processor_streams ();
5091 string legal_playlist_name;
5092 string possible_path;
5095 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
5096 end, start) << endmsg;
5100 diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
5101 include_endpoint, for_export, for_freeze);
5103 if (diskstream_channels.n(track.data_type()) < 1) {
5104 error << _("Cannot write a range with no data.") << endmsg;
5108 // block all process callback handling
5110 block_processing ();
5113 // synchronize with AudioEngine::process_callback()
5114 // make sure processing is not currently running
5115 // and processing_blocked() is honored before
5116 // acquiring thread buffers
5117 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
5120 _bounce_processing_active = true;
5122 /* call tree *MUST* hold route_lock */
5124 if ((playlist = track.playlist()) == 0) {
5128 legal_playlist_name = legalize_for_path (playlist->name());
5130 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n(track.data_type()); ++chan_n) {
5132 string base_name = string_compose ("%1-%2-bounce", playlist->name(), chan_n);
5133 string path = ((track.data_type() == DataType::AUDIO)
5134 ? new_audio_source_path (legal_playlist_name, diskstream_channels.n_audio(), chan_n, false, true)
5135 : new_midi_source_path (legal_playlist_name));
5142 source = SourceFactory::createWritable (track.data_type(), *this, path, false, frame_rate());
5145 catch (failed_constructor& err) {
5146 error << string_compose (_("cannot create new file \"%1\" for %2"), path, track.name()) << endmsg;
5150 srcs.push_back (source);
5153 /* tell redirects that care that we are about to use a much larger
5154 * blocksize. this will flush all plugins too, so that they are ready
5155 * to be used for this process.
5158 need_block_size_reset = true;
5159 track.set_block_size (bounce_chunk_size);
5160 _engine.main_thread()->get_buffers ();
5164 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5166 /* create a set of reasonably-sized buffers */
5167 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5168 buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
5170 buffers.set_count (max_proc);
5172 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5173 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5174 boost::shared_ptr<MidiSource> ms;
5176 afs->prepare_for_peakfile_writes ();
5177 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5178 Source::Lock lock(ms->mutex());
5179 ms->mark_streaming_write_started(lock);
5183 while (to_do && !itt.cancel) {
5185 this_chunk = min (to_do, bounce_chunk_size);
5187 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
5191 start += this_chunk;
5192 to_do -= this_chunk;
5193 itt.progress = (float) (1.0 - ((double) to_do / len));
5195 if (latency_skip >= bounce_chunk_size) {
5196 latency_skip -= bounce_chunk_size;
5200 const framecnt_t current_chunk = this_chunk - latency_skip;
5203 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5204 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5205 boost::shared_ptr<MidiSource> ms;
5208 if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
5211 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5212 Source::Lock lock(ms->mutex());
5214 const MidiBuffer& buf = buffers.get_midi(0);
5215 for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
5216 Evoral::Event<framepos_t> ev = *i;
5217 ev.set_time(ev.time() - position);
5218 ms->append_event_frames(lock, ev, ms->timeline_position());
5225 /* post-roll, pick up delayed processor output */
5226 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5228 while (latency_skip && !itt.cancel) {
5229 this_chunk = min (latency_skip, bounce_chunk_size);
5230 latency_skip -= this_chunk;
5232 buffers.silence (this_chunk, 0);
5233 track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
5236 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5237 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5240 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
5252 xnow = localtime (&now);
5254 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
5255 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5256 boost::shared_ptr<MidiSource> ms;
5259 afs->update_header (position, *xnow, now);
5260 afs->flush_header ();
5261 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5262 Source::Lock lock(ms->mutex());
5263 ms->mark_streaming_write_completed(lock);
5267 /* construct a region to represent the bounced material */
5271 plist.add (Properties::start, 0);
5272 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
5273 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
5275 result = RegionFactory::create (srcs, plist);
5281 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5282 (*src)->mark_for_remove ();
5283 (*src)->drop_references ();
5287 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5288 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5291 afs->done_with_peakfile_writes ();
5295 _bounce_processing_active = false;
5297 if (need_block_size_reset) {
5298 _engine.main_thread()->drop_buffers ();
5299 track.set_block_size (get_block_size());
5302 unblock_processing ();
5308 Session::gain_automation_buffer() const
5310 return ProcessThread::gain_automation_buffer ();
5314 Session::trim_automation_buffer() const
5316 return ProcessThread::trim_automation_buffer ();
5320 Session::send_gain_automation_buffer() const
5322 return ProcessThread::send_gain_automation_buffer ();
5326 Session::pan_automation_buffer() const
5328 return ProcessThread::pan_automation_buffer ();
5332 Session::get_silent_buffers (ChanCount count)
5334 return ProcessThread::get_silent_buffers (count);
5338 Session::get_scratch_buffers (ChanCount count, bool silence)
5340 return ProcessThread::get_scratch_buffers (count, silence);
5344 Session::get_route_buffers (ChanCount count, bool silence)
5346 return ProcessThread::get_route_buffers (count, silence);
5351 Session::get_mix_buffers (ChanCount count)
5353 return ProcessThread::get_mix_buffers (count);
5357 Session::ntracks () const
5360 boost::shared_ptr<RouteList> r = routes.reader ();
5362 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5363 if (boost::dynamic_pointer_cast<Track> (*i)) {
5372 Session::nbusses () const
5375 boost::shared_ptr<RouteList> r = routes.reader ();
5377 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5378 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
5387 Session::add_automation_list(AutomationList *al)
5389 automation_lists[al->id()] = al;
5392 /** @return true if there is at least one record-enabled track, otherwise false */
5394 Session::have_rec_enabled_track () const
5396 return g_atomic_int_get (const_cast<gint*>(&_have_rec_enabled_track)) == 1;
5400 Session::have_rec_disabled_track () const
5402 return g_atomic_int_get (const_cast<gint*>(&_have_rec_disabled_track)) == 1;
5405 /** Update the state of our rec-enabled tracks flag */
5407 Session::update_route_record_state ()
5409 boost::shared_ptr<RouteList> rl = routes.reader ();
5410 RouteList::iterator i = rl->begin();
5411 while (i != rl->end ()) {
5413 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5414 if (tr && tr->record_enabled ()) {
5421 int const old = g_atomic_int_get (&_have_rec_enabled_track);
5423 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
5425 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
5426 RecordStateChanged (); /* EMIT SIGNAL */
5429 for (i = rl->begin(); i != rl->end (); ++i) {
5430 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5431 if (tr && !tr->record_enabled ()) {
5436 g_atomic_int_set (&_have_rec_disabled_track, i != rl->end () ? 1 : 0);
5438 bool record_arm_state_changed = (old != g_atomic_int_get (&_have_rec_enabled_track) );
5440 if (record_status() == Recording && record_arm_state_changed ) {
5441 RecordArmStateChanged ();
5447 Session::listen_position_changed ()
5449 boost::shared_ptr<RouteList> r = routes.reader ();
5451 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5452 (*i)->listen_position_changed ();
5457 Session::solo_control_mode_changed ()
5459 /* cancel all solo or all listen when solo control mode changes */
5462 set_solo (get_routes(), false);
5463 } else if (listening()) {
5464 set_listen (get_routes(), false);
5468 /** Called when a property of one of our route groups changes */
5470 Session::route_group_property_changed (RouteGroup* rg)
5472 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
5475 /** Called when a route is added to one of our route groups */
5477 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
5479 RouteAddedToRouteGroup (rg, r);
5482 /** Called when a route is removed from one of our route groups */
5484 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
5486 update_route_record_state ();
5487 RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
5490 boost::shared_ptr<RouteList>
5491 Session::get_tracks () const
5493 boost::shared_ptr<RouteList> rl = routes.reader ();
5494 boost::shared_ptr<RouteList> tl (new RouteList);
5496 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
5497 if (boost::dynamic_pointer_cast<Track> (*r)) {
5498 if (!(*r)->is_auditioner()) {
5506 boost::shared_ptr<RouteList>
5507 Session::get_routes_with_regions_at (framepos_t const p) const
5509 boost::shared_ptr<RouteList> r = routes.reader ();
5510 boost::shared_ptr<RouteList> rl (new RouteList);
5512 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5513 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5518 boost::shared_ptr<Playlist> pl = tr->playlist ();
5523 if (pl->has_region_at (p)) {
5532 Session::goto_end ()
5534 if (_session_range_location) {
5535 request_locate (_session_range_location->end(), false);
5537 request_locate (0, false);
5542 Session::goto_start ()
5544 if (_session_range_location) {
5545 request_locate (_session_range_location->start(), false);
5547 request_locate (0, false);
5552 Session::current_start_frame () const
5554 return _session_range_location ? _session_range_location->start() : 0;
5558 Session::current_end_frame () const
5560 return _session_range_location ? _session_range_location->end() : 0;
5564 Session::add_session_range_location (framepos_t start, framepos_t end)
5566 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange);
5567 _locations->add (_session_range_location);
5571 Session::step_edit_status_change (bool yn)
5577 send = (_step_editors == 0);
5582 send = (_step_editors == 1);
5585 if (_step_editors > 0) {
5591 StepEditStatusChange (val);
5597 Session::start_time_changed (framepos_t old)
5599 /* Update the auto loop range to match the session range
5600 (unless the auto loop range has been changed by the user)
5603 Location* s = _locations->session_range_location ();
5608 Location* l = _locations->auto_loop_location ();
5610 if (l && l->start() == old) {
5611 l->set_start (s->start(), true);
5616 Session::end_time_changed (framepos_t old)
5618 /* Update the auto loop range to match the session range
5619 (unless the auto loop range has been changed by the user)
5622 Location* s = _locations->session_range_location ();
5627 Location* l = _locations->auto_loop_location ();
5629 if (l && l->end() == old) {
5630 l->set_end (s->end(), true);
5634 std::vector<std::string>
5635 Session::source_search_path (DataType type) const
5639 if (session_dirs.size() == 1) {
5641 case DataType::AUDIO:
5642 sp.push_back (_session_dir->sound_path());
5644 case DataType::MIDI:
5645 sp.push_back (_session_dir->midi_path());
5649 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
5650 SessionDirectory sdir (i->path);
5652 case DataType::AUDIO:
5653 sp.push_back (sdir.sound_path());
5655 case DataType::MIDI:
5656 sp.push_back (sdir.midi_path());
5662 if (type == DataType::AUDIO) {
5663 const string sound_path_2X = _session_dir->sound_path_2X();
5664 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
5665 if (find (sp.begin(), sp.end(), sound_path_2X) == sp.end()) {
5666 sp.push_back (sound_path_2X);
5671 // now check the explicit (possibly user-specified) search path
5674 case DataType::AUDIO:
5675 sp += Searchpath(config.get_audio_search_path ());
5677 case DataType::MIDI:
5678 sp += Searchpath(config.get_midi_search_path ());
5686 Session::ensure_search_path_includes (const string& path, DataType type)
5695 case DataType::AUDIO:
5696 sp += Searchpath(config.get_audio_search_path ());
5698 case DataType::MIDI:
5699 sp += Searchpath (config.get_midi_search_path ());
5703 for (vector<std::string>::iterator i = sp.begin(); i != sp.end(); ++i) {
5704 /* No need to add this new directory if it has the same inode as
5705 an existing one; checking inode rather than name prevents duplicated
5706 directories when we are using symlinks.
5708 On Windows, I think we could just do if (*i == path) here.
5710 if (PBD::equivalent_paths (*i, path)) {
5718 case DataType::AUDIO:
5719 config.set_audio_search_path (sp.to_string());
5721 case DataType::MIDI:
5722 config.set_midi_search_path (sp.to_string());
5728 Session::remove_dir_from_search_path (const string& dir, DataType type)
5733 case DataType::AUDIO:
5734 sp = Searchpath(config.get_audio_search_path ());
5736 case DataType::MIDI:
5737 sp = Searchpath (config.get_midi_search_path ());
5744 case DataType::AUDIO:
5745 config.set_audio_search_path (sp.to_string());
5747 case DataType::MIDI:
5748 config.set_midi_search_path (sp.to_string());
5754 boost::shared_ptr<Speakers>
5755 Session::get_speakers()
5761 Session::unknown_processors () const
5765 boost::shared_ptr<RouteList> r = routes.reader ();
5766 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5767 list<string> t = (*i)->unknown_processors ();
5768 copy (t.begin(), t.end(), back_inserter (p));
5778 Session::update_latency (bool playback)
5780 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
5782 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress) {
5786 boost::shared_ptr<RouteList> r = routes.reader ();
5787 framecnt_t max_latency = 0;
5790 /* reverse the list so that we work backwards from the last route to run to the first */
5791 RouteList* rl = routes.reader().get();
5792 r.reset (new RouteList (*rl));
5793 reverse (r->begin(), r->end());
5796 /* compute actual latency values for the given direction and store them all in per-port
5797 structures. this will also publish the same values (to JACK) so that computation of latency
5798 for routes can consistently use public latency values.
5801 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5802 max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
5805 /* because we latency compensate playback, our published playback latencies should
5806 be the same for all output ports - all material played back by ardour has
5807 the same latency, whether its caused by plugins or by latency compensation. since
5808 these may differ from the values computed above, reset all playback port latencies
5812 DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
5814 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5815 (*i)->set_public_port_latencies (max_latency, playback);
5820 post_playback_latency ();
5824 post_capture_latency ();
5827 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
5831 Session::post_playback_latency ()
5833 set_worst_playback_latency ();
5835 boost::shared_ptr<RouteList> r = routes.reader ();
5837 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5838 if (!(*i)->is_auditioner() && ((*i)->active())) {
5839 _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
5843 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5844 (*i)->set_latency_compensation (_worst_track_latency);
5849 Session::post_capture_latency ()
5851 set_worst_capture_latency ();
5853 /* reflect any changes in capture latencies into capture offsets
5856 boost::shared_ptr<RouteList> rl = routes.reader();
5857 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5858 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5860 tr->set_capture_offset ();
5866 Session::initialize_latencies ()
5869 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
5870 update_latency (false);
5871 update_latency (true);
5874 set_worst_io_latencies ();
5878 Session::set_worst_io_latencies ()
5880 set_worst_playback_latency ();
5881 set_worst_capture_latency ();
5885 Session::set_worst_playback_latency ()
5887 if (_state_of_the_state & (InitialConnecting|Deletion)) {
5891 _worst_output_latency = 0;
5893 if (!_engine.connected()) {
5897 boost::shared_ptr<RouteList> r = routes.reader ();
5899 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5900 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
5903 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
5907 Session::set_worst_capture_latency ()
5909 if (_state_of_the_state & (InitialConnecting|Deletion)) {
5913 _worst_input_latency = 0;
5915 if (!_engine.connected()) {
5919 boost::shared_ptr<RouteList> r = routes.reader ();
5921 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5922 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
5925 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
5929 Session::update_latency_compensation (bool force_whole_graph)
5931 bool some_track_latency_changed = false;
5933 if (_state_of_the_state & (InitialConnecting|Deletion)) {
5937 DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
5939 _worst_track_latency = 0;
5941 boost::shared_ptr<RouteList> r = routes.reader ();
5943 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5944 if (!(*i)->is_auditioner() && ((*i)->active())) {
5946 if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
5947 some_track_latency_changed = true;
5949 _worst_track_latency = max (tl, _worst_track_latency);
5953 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
5954 (some_track_latency_changed ? "yes" : "no")));
5956 DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
5958 if (some_track_latency_changed || force_whole_graph) {
5959 _engine.update_latencies ();
5963 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5964 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5968 tr->set_capture_offset ();
5973 Session::session_name_is_legal (const string& path)
5975 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
5977 for (int i = 0; illegal_chars[i]; ++i) {
5978 if (path.find (illegal_chars[i]) != string::npos) {
5979 return illegal_chars[i];
5987 Session::next_control_id () const
5991 /* the monitor bus remote ID is in a different
5992 * "namespace" than regular routes. its existence doesn't
5993 * affect normal (low) numbered routes.
6000 return nroutes() - subtract;
6004 Session::notify_remote_id_change ()
6006 if (deletion_in_progress()) {
6010 switch (Config->get_remote_model()) {
6012 Route::RemoteControlIDChange (); /* EMIT SIGNAL */
6018 #ifdef USE_TRACKS_CODE_FEATURES
6019 /* Waves Tracks: for Waves Tracks session it's required to reconnect their IOs
6020 * if track order has been changed by user
6022 reconnect_existing_routes(true, true);
6028 Session::sync_order_keys ()
6030 if (deletion_in_progress()) {
6034 /* tell everyone that something has happened to the sort keys
6035 and let them sync up with the change(s)
6036 this will give objects that manage the sort order keys the
6037 opportunity to keep them in sync if they wish to.
6040 DEBUG_TRACE (DEBUG::OrderKeys, "Sync Order Keys.\n");
6042 reassign_track_numbers();
6044 Route::SyncOrderKeys (); /* EMIT SIGNAL */
6046 DEBUG_TRACE (DEBUG::OrderKeys, "\tsync done\n");
6050 Session::operation_in_progress (GQuark op) const
6052 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
6055 boost::shared_ptr<Port>
6056 Session::ltc_input_port () const
6058 return _ltc_input->nth (0);
6061 boost::shared_ptr<Port>
6062 Session::ltc_output_port () const
6064 return _ltc_output->nth (0);
6068 Session::reconnect_ltc_input ()
6072 string src = Config->get_ltc_source_port();
6074 _ltc_input->disconnect (this);
6076 if (src != _("None") && !src.empty()) {
6077 _ltc_input->nth (0)->connect (src);
6083 Session::reconnect_ltc_output ()
6088 string src = Config->get_ltc_sink_port();
6090 _ltc_output->disconnect (this);
6092 if (src != _("None") && !src.empty()) {
6093 _ltc_output->nth (0)->connect (src);