2 Copyright (C) 1999-2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <cstdio> /* sprintf(3) ... grrr */
32 #include <glibmm/threads.h>
33 #include <glibmm/miscutils.h>
34 #include <glibmm/fileutils.h>
36 #include <boost/algorithm/string/erase.hpp>
38 #include "pbd/basename.h"
39 #include "pbd/boost_debug.h"
40 #include "pbd/convert.h"
41 #include "pbd/convert.h"
42 #include "pbd/error.h"
43 #include "pbd/file_utils.h"
45 #include "pbd/search_path.h"
46 #include "pbd/stacktrace.h"
47 #include "pbd/stl_delete.h"
48 #include "pbd/replace_all.h"
49 #include "pbd/unwind.h"
51 #include "ardour/amp.h"
52 #include "ardour/analyser.h"
53 #include "ardour/async_midi_port.h"
54 #include "ardour/audio_buffer.h"
55 #include "ardour/audio_diskstream.h"
56 #include "ardour/audio_port.h"
57 #include "ardour/audio_track.h"
58 #include "ardour/audioengine.h"
59 #include "ardour/audiofilesource.h"
60 #include "ardour/auditioner.h"
61 #include "ardour/buffer_manager.h"
62 #include "ardour/buffer_set.h"
63 #include "ardour/bundle.h"
64 #include "ardour/butler.h"
65 #include "ardour/click.h"
66 #include "ardour/control_protocol_manager.h"
67 #include "ardour/data_type.h"
68 #include "ardour/debug.h"
69 #include "ardour/directory_names.h"
70 #ifdef USE_TRACKS_CODE_FEATURES
71 #include "ardour/engine_state_controller.h"
73 #include "ardour/filename_extensions.h"
74 #include "ardour/graph.h"
75 #include "ardour/midiport_manager.h"
76 #include "ardour/scene_changer.h"
77 #include "ardour/midi_patch_manager.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"
110 #include <glibmm/checksum.h>
119 using namespace ARDOUR;
122 bool Session::_disable_all_loaded_plugins = false;
123 bool Session::_bypass_all_loaded_plugins = false;
125 PBD::Signal1<int,uint32_t> Session::AudioEngineSetupRequired;
126 PBD::Signal1<void,std::string> Session::Dialog;
127 PBD::Signal0<int> Session::AskAboutPendingState;
128 PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
129 PBD::Signal0<void> Session::SendFeedback;
130 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
132 PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
133 PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
134 PBD::Signal2<void,std::string, std::string> Session::Exported;
135 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
136 PBD::Signal0<void> Session::Quit;
137 PBD::Signal0<void> Session::FeedbackDetected;
138 PBD::Signal0<void> Session::SuccessfulGraphSort;
139 PBD::Signal2<void,std::string,std::string> Session::VersionMismatch;
141 const framecnt_t Session::bounce_chunk_size = 8192;
142 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
143 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
145 // seconds should be added after the region exceeds end marker
146 #ifdef USE_TRACKS_CODE_FEATURES
147 const uint32_t Session::session_end_shift = 5;
149 const uint32_t Session::session_end_shift = 0;
152 /** @param snapshot_name Snapshot name, without .ardour suffix */
153 Session::Session (AudioEngine &eng,
154 const string& fullpath,
155 const string& snapshot_name,
156 BusProfile* bus_profile,
158 : playlists (new SessionPlaylists)
160 , process_function (&Session::process_with_events)
161 , _bounce_processing_active (false)
162 , waiting_for_sync_offset (false)
163 , _base_frame_rate (0)
164 , _current_frame_rate (0)
165 , _nominal_frame_rate (0)
166 , transport_sub_state (0)
167 , _record_status (Disabled)
168 , _transport_frame (0)
169 , _session_range_location (0)
172 , _transport_speed (0)
173 , _default_transport_speed (1.0)
174 , _last_transport_speed (0)
175 , _target_transport_speed (0.0)
176 , auto_play_legal (false)
177 , _last_slave_transport_frame (0)
178 , maximum_output_latency (0)
179 , _requested_return_frame (-1)
180 , current_block_size (0)
181 , _worst_output_latency (0)
182 , _worst_input_latency (0)
183 , _worst_track_latency (0)
184 , _have_captured (false)
185 , _non_soloed_outs_muted (false)
187 , _solo_isolated_cnt (0)
189 , _was_seamless (Config->get_seamless_loop ())
190 , _under_nsm_control (false)
192 , delta_accumulator_cnt (0)
193 , average_slave_delta (1800) // !!! why 1800 ???
195 , have_first_delta_accumulator (false)
196 , _slave_state (Stopped)
197 , _mtc_active (false)
198 , _ltc_active (false)
199 , post_export_sync (false)
200 , post_export_position (0)
202 , _export_started (false)
203 , _export_rolling (false)
204 , _pre_export_mmc_enabled (false)
205 , _name (snapshot_name)
207 , _send_qf_mtc (false)
208 , _pframes_since_last_mtc (0)
209 , session_midi_feedback (0)
211 , loop_changing (false)
213 , _session_dir (new SessionDirectory (fullpath))
214 , _current_snapshot_name (snapshot_name)
216 , state_was_pending (false)
217 , _state_of_the_state (StateOfTheState(CannotSave|InitialConnecting|Loading))
219 , _save_queued (false)
220 , _last_roll_location (0)
221 , _last_roll_or_reversal_location (0)
222 , _last_record_location (0)
223 , pending_locate_roll (false)
224 , pending_locate_frame (0)
225 , pending_locate_flush (false)
226 , pending_abort (false)
227 , pending_auto_loop (false)
228 , _butler (new Butler (*this))
229 , _post_transport_work (0)
230 , cumulative_rf_motion (0)
232 , _locations (new Locations (*this))
233 , _ignore_skips_updates (false)
234 , _rt_thread_active (false)
235 , _rt_emit_pending (false)
237 , outbound_mtc_timecode_frame (0)
238 , next_quarter_frame_to_send (-1)
239 , _frames_per_timecode_frame (0)
240 , _frames_per_hour (0)
241 , _timecode_frames_per_hour (0)
242 , last_timecode_valid (false)
243 , last_timecode_when (0)
244 , _send_timecode_update (false)
256 , ltc_timecode_offset (0)
257 , ltc_timecode_negative_offset (false)
258 , midi_control_ui (0)
260 , _all_route_group (new RouteGroup (*this, "all"))
261 , routes (new RouteList)
262 , _adding_routes_in_progress (false)
263 , _reconnecting_routes_in_progress (false)
264 , _route_deletion_in_progress (false)
265 , destructive_index (0)
266 , _track_number_decimals(1)
267 , default_fade_steepness (0)
268 , default_fade_msecs (0)
269 , _total_free_4k_blocks (0)
270 , _total_free_4k_blocks_uncertain (false)
271 , no_questions_about_missing_files (false)
274 , _bundles (new BundleList)
275 , _bundle_xml_node (0)
279 , click_emphasis_data (0)
281 , click_emphasis_length (0)
282 , _clicks_cleared (0)
283 , _play_range (false)
284 , _range_selection (-1,-1)
285 , _object_selection (-1,-1)
287 , first_file_data_format_reset (true)
288 , first_file_header_format_reset (true)
289 , have_looped (false)
290 , _have_rec_enabled_track (false)
291 , _have_rec_disabled_track (true)
293 , _suspend_timecode_transmission (0)
294 , _speakers (new Speakers)
296 , ignore_route_processor_changes (false)
303 pthread_mutex_init (&_rt_emit_mutex, 0);
304 pthread_cond_init (&_rt_emit_cond, 0);
306 pre_engine_init (fullpath);
310 Stateful::loading_state_version = CURRENT_SESSION_FILE_VERSION;
312 #ifdef USE_TRACKS_CODE_FEATURES
313 sr = EngineStateController::instance()->get_current_sample_rate();
315 if (ensure_engine (sr)) {
317 throw SessionException (_("Cannot connect to audio/midi engine"));
320 if (create (mix_template, bus_profile)) {
322 throw SessionException (_("Session initialization failed"));
325 /* if a mix template was provided, then ::create() will
326 * have copied it into the session and we need to load it
327 * so that we have the state ready for ::set_state()
328 * after the engine is started.
330 * Note that we do NOT try to get the sample rate from
331 * the template at this time, though doing so would
332 * be easy if we decided this was an appropriate part
336 if (!mix_template.empty()) {
337 if (load_state (_current_snapshot_name)) {
338 throw SessionException (_("Failed to load template/snapshot state"));
340 store_recent_templates (mix_template);
343 /* load default session properties - if any */
348 if (load_state (_current_snapshot_name)) {
349 throw SessionException (_("Failed to load state"));
352 /* try to get sample rate from XML state so that we
353 * can influence the SR if we set up the audio
358 const XMLProperty* prop;
359 if ((prop = state_tree->root()->property (X_("sample-rate"))) != 0) {
360 sr = atoi (prop->value());
364 if (ensure_engine (sr)) {
366 throw SessionException (_("Cannot connect to audio/midi engine"));
370 if (post_engine_init ()) {
372 throw SessionException (_("Cannot configure audio/midi engine with session parameters"));
375 store_recent_sessions (_name, _path);
377 bool was_dirty = dirty();
379 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
381 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
382 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
385 DirtyChanged (); /* EMIT SIGNAL */
388 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
389 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
391 emit_thread_start ();
393 /* hook us up to the engine since we are now completely constructed */
395 BootMessage (_("Connect to engine"));
397 _engine.set_session (this);
398 _engine.reset_timebase ();
400 #ifdef USE_TRACKS_CODE_FEATURES
402 EngineStateController::instance()->set_session(this);
405 if ( ARDOUR::Profile->get_trx () ) {
407 /* Waves Tracks: fill session with tracks basing on the amount of inputs.
408 * each available input must have corresponding track when session starts.
411 uint32_t how_many (0);
413 std::vector<std::string> inputs;
414 EngineStateController::instance()->get_physical_audio_inputs(inputs);
416 how_many = inputs.size();
418 list<boost::shared_ptr<AudioTrack> > tracks;
420 // Track names after driver
421 if (Config->get_tracks_auto_naming() == NameAfterDriver) {
422 string track_name = "";
423 for (std::vector<string>::size_type i = 0; i < inputs.size(); ++i) {
425 track_name = inputs[i];
426 replace_all (track_name, "system:capture", "");
428 list<boost::shared_ptr<AudioTrack> > single_track = new_audio_track (1, 1, Normal, 0, 1, track_name);
429 tracks.insert(tracks.begin(), single_track.front());
431 } else { // Default track names
432 tracks = new_audio_track (1, 1, Normal, 0, how_many, string());
435 if (tracks.size() != how_many) {
437 throw failed_constructor ();
446 BootMessage (_("Session loading complete"));
458 Session::ensure_engine (uint32_t desired_sample_rate)
460 if (_engine.current_backend() == 0) {
461 /* backend is unknown ... */
462 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
463 if (r.get_value_or (-1) != 0) {
466 } else if (_engine.setup_required()) {
467 /* backend is known, but setup is needed */
468 boost::optional<int> r = AudioEngineSetupRequired (desired_sample_rate);
469 if (r.get_value_or (-1) != 0) {
472 } else if (!_engine.running()) {
473 if (_engine.start()) {
478 /* at this point the engine should be running
481 if (!_engine.running()) {
485 return immediately_post_engine ();
490 Session::immediately_post_engine ()
492 /* Do various initializations that should take place directly after we
493 * know that the engine is running, but before we either create a
494 * session or set state for an existing one.
497 if (how_many_dsp_threads () > 1) {
498 /* For now, only create the graph if we are using >1 DSP threads, as
499 it is a bit slower than the old code with 1 thread.
501 _process_graph.reset (new Graph (*this));
504 /* every time we reconnect, recompute worst case output latencies */
506 _engine.Running.connect_same_thread (*this, boost::bind (&Session::initialize_latencies, this));
508 if (synced_to_engine()) {
509 _engine.transport_stop ();
512 if (config.get_jack_time_master()) {
513 _engine.transport_locate (_transport_frame);
517 BootMessage (_("Set up LTC"));
519 BootMessage (_("Set up Click"));
521 BootMessage (_("Set up standard connections"));
525 catch (failed_constructor& err) {
529 /* TODO, connect in different thread. (PortRegisteredOrUnregistered may be in RT context)
531 _engine.PortRegisteredOrUnregistered.connect_same_thread (*this, boost::bind (&Session::setup_bundles, this));
539 vector<void*> debug_pointers;
541 /* if we got to here, leaving pending capture state around
545 remove_pending_capture_state ();
547 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
549 /* disconnect from any and all signals that we are connected to */
553 /* shutdown control surface protocols while we still have ports
554 and the engine to move data to any devices.
557 ControlProtocolManager::instance().drop_protocols ();
559 MIDI::Name::MidiPatchManager::instance().remove_search_path(session_directory().midi_patch_path());
561 _engine.remove_session ();
563 #ifdef USE_TRACKS_CODE_FEATURES
564 EngineStateController::instance()->remove_session();
567 /* deregister all ports - there will be no process or any other
568 * callbacks from the engine any more.
571 Port::PortDrop (); /* EMIT SIGNAL */
575 /* clear history so that no references to objects are held any more */
579 /* clear state tree so that no references to objects are held any more */
584 /* reset dynamic state version back to default */
586 Stateful::loading_state_version = 0;
588 _butler->drop_references ();
592 delete _all_route_group;
594 DEBUG_TRACE (DEBUG::Destruction, "delete route groups\n");
595 for (list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
599 if (click_data != default_click) {
600 delete [] click_data;
603 if (click_emphasis_data != default_click_emphasis) {
604 delete [] click_emphasis_data;
609 /* need to remove auditioner before monitoring section
610 * otherwise it is re-connected */
613 /* drop references to routes held by the monitoring section
614 * specifically _monitor_out aux/listen references */
615 remove_monitor_section();
617 /* clear out any pending dead wood from RCU managed objects */
622 AudioDiskstream::free_working_buffers();
624 /* tell everyone who is still standing that we're about to die */
627 /* tell everyone to drop references and delete objects as we go */
629 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
630 RegionFactory::delete_all_regions ();
632 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
634 /* reset these three references to special routes before we do the usual route delete thing */
636 _master_out.reset ();
637 _monitor_out.reset ();
640 RCUWriter<RouteList> writer (routes);
641 boost::shared_ptr<RouteList> r = writer.get_copy ();
643 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
644 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
645 (*i)->drop_references ();
649 /* writer goes out of scope and updates master */
654 DEBUG_TRACE (DEBUG::Destruction, "delete sources\n");
655 Glib::Threads::Mutex::Lock lm (source_lock);
656 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
657 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for source %1 ; pre-ref = %2\n", i->second->name(), i->second.use_count()));
658 i->second->drop_references ();
664 /* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
667 emit_thread_terminate ();
669 pthread_cond_destroy (&_rt_emit_cond);
670 pthread_mutex_destroy (&_rt_emit_mutex);
672 delete _scene_changer; _scene_changer = 0;
673 delete midi_control_ui; midi_control_ui = 0;
675 delete _mmc; _mmc = 0;
676 delete _midi_ports; _midi_ports = 0;
677 delete _locations; _locations = 0;
681 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
683 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
684 boost_debug_list_ptrs ();
689 Session::setup_ltc ()
693 _ltc_input.reset (new IO (*this, X_("LTC In"), IO::Input));
694 _ltc_output.reset (new IO (*this, X_("LTC Out"), IO::Output));
696 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC In"))) != 0) {
697 _ltc_input->set_state (*(child->children().front()), Stateful::loading_state_version);
700 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
701 _ltc_input->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
703 reconnect_ltc_input ();
706 if (state_tree && (child = find_named_node (*state_tree->root(), X_("LTC Out"))) != 0) {
707 _ltc_output->set_state (*(child->children().front()), Stateful::loading_state_version);
710 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
711 _ltc_output->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
713 reconnect_ltc_output ();
716 /* fix up names of LTC ports because we don't want the normal
717 * IO style of NAME/TYPE-{in,out}N
720 _ltc_input->nth (0)->set_name (X_("LTC-in"));
721 _ltc_output->nth (0)->set_name (X_("LTC-out"));
725 Session::setup_click ()
728 _click_io.reset (new ClickIO (*this, X_("Click")));
729 _click_gain.reset (new Amp (*this));
730 _click_gain->activate ();
732 setup_click_state (state_tree->root());
734 setup_click_state (0);
739 Session::setup_click_state (const XMLNode* node)
741 const XMLNode* child = 0;
743 if (node && (child = find_named_node (*node, "Click")) != 0) {
745 /* existing state for Click */
748 if (Stateful::loading_state_version < 3000) {
749 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
751 const XMLNodeList& children (child->children());
752 XMLNodeList::const_iterator i = children.begin();
753 if ((c = _click_io->set_state (**i, Stateful::loading_state_version)) == 0) {
755 if (i != children.end()) {
756 c = _click_gain->set_state (**i, Stateful::loading_state_version);
762 _clicking = Config->get_clicking ();
766 error << _("could not setup Click I/O") << endmsg;
773 /* default state for Click: dual-mono to first 2 physical outputs */
776 _engine.get_physical_outputs (DataType::AUDIO, outs);
778 for (uint32_t physport = 0; physport < 2; ++physport) {
779 if (outs.size() > physport) {
780 if (_click_io->add_port (outs[physport], this)) {
781 // relax, even though its an error
786 if (_click_io->n_ports () > ChanCount::ZERO) {
787 _clicking = Config->get_clicking ();
793 Session::setup_bundles ()
797 RCUWriter<BundleList> writer (_bundles);
798 boost::shared_ptr<BundleList> b = writer.get_copy ();
799 for (BundleList::iterator i = b->begin(); i != b->end();) {
800 if (boost::dynamic_pointer_cast<UserBundle>(*i)) {
808 vector<string> inputs[DataType::num_types];
809 vector<string> outputs[DataType::num_types];
810 for (uint32_t i = 0; i < DataType::num_types; ++i) {
811 _engine.get_physical_inputs (DataType (DataType::Symbol (i)), inputs[i]);
812 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
815 /* Create a set of Bundle objects that map
816 to the physical I/O currently available. We create both
817 mono and stereo bundles, so that the common cases of mono
818 and stereo tracks get bundles to put in their mixer strip
819 in / out menus. There may be a nicer way of achieving that;
820 it doesn't really scale that well to higher channel counts
823 /* mono output bundles */
825 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
827 std::string pn = _engine.get_pretty_name_by_name (outputs[DataType::AUDIO][np]);
829 snprintf (buf, sizeof (buf), _("out %s"), pn.c_str());
831 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
834 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
835 c->add_channel (_("mono"), DataType::AUDIO);
836 c->set_port (0, outputs[DataType::AUDIO][np]);
838 add_bundle (c, false);
841 /* stereo output bundles */
843 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
844 if (np + 1 < outputs[DataType::AUDIO].size()) {
846 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
847 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
848 c->add_channel (_("L"), DataType::AUDIO);
849 c->set_port (0, outputs[DataType::AUDIO][np]);
850 c->add_channel (_("R"), DataType::AUDIO);
851 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
853 add_bundle (c, false);
857 /* mono input bundles */
859 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
861 std::string pn = _engine.get_pretty_name_by_name (inputs[DataType::AUDIO][np]);
863 snprintf (buf, sizeof (buf), _("in %s"), pn.c_str());
865 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
868 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
869 c->add_channel (_("mono"), DataType::AUDIO);
870 c->set_port (0, inputs[DataType::AUDIO][np]);
872 add_bundle (c, false);
875 /* stereo input bundles */
877 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
878 if (np + 1 < inputs[DataType::AUDIO].size()) {
880 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
882 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
883 c->add_channel (_("L"), DataType::AUDIO);
884 c->set_port (0, inputs[DataType::AUDIO][np]);
885 c->add_channel (_("R"), DataType::AUDIO);
886 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
888 add_bundle (c, false);
892 /* MIDI input bundles */
894 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
895 string n = inputs[DataType::MIDI][np];
896 std::string pn = _engine.get_pretty_name_by_name (n);
900 boost::erase_first (n, X_("alsa_pcm:"));
902 boost::shared_ptr<Bundle> c (new Bundle (n, false));
903 c->add_channel ("", DataType::MIDI);
904 c->set_port (0, inputs[DataType::MIDI][np]);
905 add_bundle (c, false);
908 /* MIDI output bundles */
910 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
911 string n = outputs[DataType::MIDI][np];
912 std::string pn = _engine.get_pretty_name_by_name (n);
916 boost::erase_first (n, X_("alsa_pcm:"));
918 boost::shared_ptr<Bundle> c (new Bundle (n, true));
919 c->add_channel ("", DataType::MIDI);
920 c->set_port (0, outputs[DataType::MIDI][np]);
921 add_bundle (c, false);
924 // we trust the backend to only calls us if there's a change
925 BundleAddedOrRemoved (); /* EMIT SIGNAL */
929 Session::auto_connect_master_bus ()
931 if (!_master_out || !Config->get_auto_connect_standard_busses() || _monitor_out) {
935 // Waves Tracks: Do not connect master bas for Tracks if AutoConnectMaster option is not set
936 // In this case it means "Multi Out" output mode
937 if (ARDOUR::Profile->get_trx() && !(Config->get_output_auto_connect() & AutoConnectMaster) ) {
941 /* if requested auto-connect the outputs to the first N physical ports.
944 uint32_t limit = _master_out->n_outputs().n_total();
945 vector<string> outputs[DataType::num_types];
947 for (uint32_t i = 0; i < DataType::num_types; ++i) {
948 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
951 for (uint32_t n = 0; n < limit; ++n) {
952 boost::shared_ptr<Port> p = _master_out->output()->nth (n);
954 if (outputs[p->type()].size() > n) {
955 connect_to = outputs[p->type()][n];
958 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
959 if (_master_out->output()->connect (p, connect_to, this)) {
960 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
969 Session::remove_monitor_section ()
971 if (!_monitor_out || Profile->get_trx()) {
975 /* force reversion to Solo-In-Place */
976 Config->set_solo_control_is_listen_control (false);
978 /* if we are auditioning, cancel it ... this is a workaround
979 to a problem (auditioning does not execute the process graph,
980 which is needed to remove routes when using >1 core for processing)
985 /* Hold process lock while doing this so that we don't hear bits and
986 * pieces of audio as we work on each route.
989 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
991 /* Connect tracks to monitor section. Note that in an
992 existing session, the internal sends will already exist, but we want the
993 routes to notice that they connect to the control out specifically.
997 boost::shared_ptr<RouteList> r = routes.reader ();
998 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1000 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
1002 if ((*x)->is_monitor()) {
1004 } else if ((*x)->is_master()) {
1007 (*x)->remove_aux_or_listen (_monitor_out);
1012 remove_route (_monitor_out);
1013 auto_connect_master_bus ();
1016 auditioner->connect ();
1021 Session::add_monitor_section ()
1025 if (_monitor_out || !_master_out || Profile->get_trx()) {
1029 boost::shared_ptr<Route> r (new Route (*this, _("Monitor"), Route::MonitorOut, DataType::AUDIO));
1035 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1036 // boost_debug_shared_ptr_mark_interesting (r.get(), "Route");
1039 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1040 r->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1041 r->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1043 error << _("Cannot create monitor section. 'Monitor' Port name is not unique.") << endmsg;
1048 add_routes (rl, false, false, false);
1050 assert (_monitor_out);
1052 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
1053 are undefined, at best.
1056 uint32_t limit = _monitor_out->n_inputs().n_audio();
1060 /* connect the inputs to the master bus outputs. this
1061 * represents a separate data feed from the internal sends from
1062 * each route. as of jan 2011, it allows the monitor section to
1063 * conditionally ignore either the internal sends or the normal
1064 * input feed, but we should really find a better way to do
1068 _master_out->output()->disconnect (this);
1070 for (uint32_t n = 0; n < limit; ++n) {
1071 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1072 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1075 string connect_to = o->name();
1076 if (_monitor_out->input()->connect (p, connect_to, this)) {
1077 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1085 /* if monitor section is not connected, connect it to physical outs
1088 if (Config->get_auto_connect_standard_busses() && !_monitor_out->output()->connected ()) {
1090 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1092 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1095 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1097 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1098 Config->get_monitor_bus_preferred_bundle())
1104 /* Monitor bus is audio only */
1106 vector<string> outputs[DataType::num_types];
1108 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1109 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1112 uint32_t mod = outputs[DataType::AUDIO].size();
1113 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1117 for (uint32_t n = 0; n < limit; ++n) {
1119 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1121 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1122 connect_to = outputs[DataType::AUDIO][n % mod];
1125 if (!connect_to.empty()) {
1126 if (_monitor_out->output()->connect (p, connect_to, this)) {
1127 error << string_compose (
1128 _("cannot connect control output %1 to %2"),
1139 /* Hold process lock while doing this so that we don't hear bits and
1140 * pieces of audio as we work on each route.
1143 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1145 /* Connect tracks to monitor section. Note that in an
1146 existing session, the internal sends will already exist, but we want the
1147 routes to notice that they connect to the control out specifically.
1151 boost::shared_ptr<RouteList> rls = routes.reader ();
1153 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1155 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1157 if ((*x)->is_monitor()) {
1159 } else if ((*x)->is_master()) {
1162 (*x)->enable_monitor_send ();
1167 auditioner->connect ();
1172 Session::reset_monitor_section ()
1174 /* Process lock should be held by the caller.*/
1176 if (!_monitor_out || Profile->get_trx()) {
1180 uint32_t limit = _master_out->n_outputs().n_audio();
1182 /* connect the inputs to the master bus outputs. this
1183 * represents a separate data feed from the internal sends from
1184 * each route. as of jan 2011, it allows the monitor section to
1185 * conditionally ignore either the internal sends or the normal
1186 * input feed, but we should really find a better way to do
1190 _master_out->output()->disconnect (this);
1191 _monitor_out->output()->disconnect (this);
1193 _monitor_out->input()->ensure_io (_master_out->output()->n_ports(), false, this);
1194 _monitor_out->output()->ensure_io (_master_out->output()->n_ports(), false, this);
1196 for (uint32_t n = 0; n < limit; ++n) {
1197 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
1198 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
1201 string connect_to = o->name();
1202 if (_monitor_out->input()->connect (p, connect_to, this)) {
1203 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
1210 /* connect monitor section to physical outs
1213 if (Config->get_auto_connect_standard_busses()) {
1215 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
1217 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
1220 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
1222 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
1223 Config->get_monitor_bus_preferred_bundle())
1229 /* Monitor bus is audio only */
1231 vector<string> outputs[DataType::num_types];
1233 for (uint32_t i = 0; i < DataType::num_types; ++i) {
1234 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
1237 uint32_t mod = outputs[DataType::AUDIO].size();
1238 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
1242 for (uint32_t n = 0; n < limit; ++n) {
1244 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
1246 if (outputs[DataType::AUDIO].size() > (n % mod)) {
1247 connect_to = outputs[DataType::AUDIO][n % mod];
1250 if (!connect_to.empty()) {
1251 if (_monitor_out->output()->connect (p, connect_to, this)) {
1252 error << string_compose (
1253 _("cannot connect control output %1 to %2"),
1264 /* Connect tracks to monitor section. Note that in an
1265 existing session, the internal sends will already exist, but we want the
1266 routes to notice that they connect to the control out specifically.
1270 boost::shared_ptr<RouteList> rls = routes.reader ();
1272 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
1274 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
1276 if ((*x)->is_monitor()) {
1278 } else if ((*x)->is_master()) {
1281 (*x)->enable_monitor_send ();
1287 Session::hookup_io ()
1289 /* stop graph reordering notifications from
1290 causing resorts, etc.
1293 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
1297 /* we delay creating the auditioner till now because
1298 it makes its own connections to ports.
1302 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
1304 throw failed_constructor ();
1306 a->use_new_diskstream ();
1310 catch (failed_constructor& err) {
1311 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
1315 /* load bundles, which we may have postponed earlier on */
1316 if (_bundle_xml_node) {
1317 load_bundles (*_bundle_xml_node);
1318 delete _bundle_xml_node;
1321 /* Tell all IO objects to connect themselves together */
1323 IO::enable_connecting ();
1325 /* Now tell all "floating" ports to connect to whatever
1326 they should be connected to.
1329 AudioEngine::instance()->reconnect_ports ();
1331 /* Anyone who cares about input state, wake up and do something */
1333 IOConnectionsComplete (); /* EMIT SIGNAL */
1335 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
1337 /* now handle the whole enchilada as if it was one
1338 graph reorder event.
1343 /* update the full solo state, which can't be
1344 correctly determined on a per-route basis, but
1345 needs the global overview that only the session
1349 update_route_solo_state ();
1353 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
1355 boost::shared_ptr<Track> track = wp.lock ();
1360 boost::shared_ptr<Playlist> playlist;
1362 if ((playlist = track->playlist()) != 0) {
1363 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
1364 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
1365 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
1370 Session::record_enabling_legal () const
1372 /* this used to be in here, but survey says.... we don't need to restrict it */
1373 // if (record_status() == Recording) {
1377 if (Config->get_all_safe()) {
1384 Session::set_track_monitor_input_status (bool yn)
1386 boost::shared_ptr<RouteList> rl = routes.reader ();
1387 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1388 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
1389 if (tr && tr->record_enabled ()) {
1390 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
1391 tr->request_input_monitoring (yn);
1397 Session::auto_punch_start_changed (Location* location)
1399 replace_event (SessionEvent::PunchIn, location->start());
1401 if (get_record_enabled() && config.get_punch_in()) {
1402 /* capture start has been changed, so save new pending state */
1403 save_state ("", true);
1408 Session::auto_punch_end_changed (Location* location)
1410 framepos_t when_to_stop = location->end();
1411 // when_to_stop += _worst_output_latency + _worst_input_latency;
1412 replace_event (SessionEvent::PunchOut, when_to_stop);
1416 Session::auto_punch_changed (Location* location)
1418 framepos_t when_to_stop = location->end();
1420 replace_event (SessionEvent::PunchIn, location->start());
1421 //when_to_stop += _worst_output_latency + _worst_input_latency;
1422 replace_event (SessionEvent::PunchOut, when_to_stop);
1425 /** @param loc A loop location.
1426 * @param pos Filled in with the start time of the required fade-out (in session frames).
1427 * @param length Filled in with the length of the required fade-out.
1430 Session::auto_loop_declick_range (Location* loc, framepos_t & pos, framepos_t & length)
1432 pos = max (loc->start(), loc->end() - 64);
1433 length = loc->end() - pos;
1437 Session::auto_loop_changed (Location* location)
1439 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
1442 auto_loop_declick_range (location, dcp, dcl);
1444 if (transport_rolling() && play_loop) {
1446 replace_event (SessionEvent::AutoLoopDeclick, dcp, dcl);
1448 // if (_transport_frame > location->end()) {
1450 if (_transport_frame < location->start() || _transport_frame > location->end()) {
1451 // relocate to beginning of loop
1452 clear_events (SessionEvent::LocateRoll);
1454 request_locate (location->start(), true);
1457 else if (Config->get_seamless_loop() && !loop_changing) {
1459 // schedule a locate-roll to refill the diskstreams at the
1460 // previous loop end
1461 loop_changing = true;
1463 if (location->end() > last_loopend) {
1464 clear_events (SessionEvent::LocateRoll);
1465 SessionEvent *ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, last_loopend, last_loopend, 0, true);
1471 clear_events (SessionEvent::AutoLoopDeclick);
1472 clear_events (SessionEvent::AutoLoop);
1475 /* possibly move playhead if not rolling; if we are rolling we'll move
1476 to the loop start on stop if that is appropriate.
1481 if (!transport_rolling() && select_playhead_priority_target (pos)) {
1482 if (pos == location->start()) {
1483 request_locate (pos);
1488 last_loopend = location->end();
1493 Session::set_auto_punch_location (Location* location)
1497 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
1498 punch_connections.drop_connections();
1499 existing->set_auto_punch (false, this);
1500 remove_event (existing->start(), SessionEvent::PunchIn);
1501 clear_events (SessionEvent::PunchOut);
1502 auto_punch_location_changed (0);
1507 if (location == 0) {
1511 if (location->end() <= location->start()) {
1512 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1516 punch_connections.drop_connections ();
1518 location->StartChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, location));
1519 location->EndChanged.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, location));
1520 location->Changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, location));
1522 location->set_auto_punch (true, this);
1524 auto_punch_changed (location);
1526 auto_punch_location_changed (location);
1530 Session::set_session_extents (framepos_t start, framepos_t end)
1533 if ((existing = _locations->session_range_location()) == 0) {
1534 //if there is no existing session, we need to make a new session location (should never happen)
1535 existing = new Location (*this, 0, 0, _("session"), Location::IsSessionRange);
1539 error << _("Session: you can't use that location for session start/end)") << endmsg;
1543 existing->set( start, end );
1549 Session::set_auto_loop_location (Location* location)
1553 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
1554 loop_connections.drop_connections ();
1555 existing->set_auto_loop (false, this);
1556 remove_event (existing->end(), SessionEvent::AutoLoop);
1559 auto_loop_declick_range (existing, dcp, dcl);
1560 remove_event (dcp, SessionEvent::AutoLoopDeclick);
1561 auto_loop_location_changed (0);
1566 if (location == 0) {
1570 if (location->end() <= location->start()) {
1571 error << _("You cannot use this location for auto-loop because it has zero or negative length") << endmsg;
1575 last_loopend = location->end();
1577 loop_connections.drop_connections ();
1579 location->StartChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1580 location->EndChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1581 location->Changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1582 location->FlagsChanged.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, location));
1584 location->set_auto_loop (true, this);
1586 if (Config->get_loop_is_mode() && play_loop && Config->get_seamless_loop()) {
1587 // set all tracks to use internal looping
1588 boost::shared_ptr<RouteList> rl = routes.reader ();
1589 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1590 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1591 if (tr && !tr->hidden()) {
1592 tr->set_loop (location);
1597 /* take care of our stuff first */
1599 auto_loop_changed (location);
1601 /* now tell everyone else */
1603 auto_loop_location_changed (location);
1607 Session::update_marks (Location*)
1613 Session::update_skips (Location* loc, bool consolidate)
1615 if (_ignore_skips_updates) {
1619 Locations::LocationList skips;
1622 PBD::Unwinder<bool> uw (_ignore_skips_updates, true);
1623 consolidate_skips (loc);
1626 sync_locations_to_skips ();
1632 Session::consolidate_skips (Location* loc)
1634 Locations::LocationList all_locations = _locations->list ();
1636 for (Locations::LocationList::iterator l = all_locations.begin(); l != all_locations.end(); ) {
1638 if (!(*l)->is_skip ()) {
1643 /* don't test against self */
1650 switch (Evoral::coverage ((*l)->start(), (*l)->end(), loc->start(), loc->end())) {
1651 case Evoral::OverlapInternal:
1652 case Evoral::OverlapExternal:
1653 case Evoral::OverlapStart:
1654 case Evoral::OverlapEnd:
1655 /* adjust new location to cover existing one */
1656 loc->set_start (min (loc->start(), (*l)->start()));
1657 loc->set_end (max (loc->end(), (*l)->end()));
1658 /* we don't need this one any more */
1659 _locations->remove (*l);
1660 /* the location has been deleted, so remove reference to it in our local list */
1661 l = all_locations.erase (l);
1664 case Evoral::OverlapNone:
1672 Session::sync_locations_to_skips ()
1674 /* This happens asynchronously (in the audioengine thread). After the clear is done, we will call
1675 * Session::_sync_locations_to_skips() from the audioengine thread.
1677 clear_events (SessionEvent::Skip, boost::bind (&Session::_sync_locations_to_skips, this));
1681 Session::_sync_locations_to_skips ()
1683 /* called as a callback after existing Skip events have been cleared from a realtime audioengine thread */
1685 Locations::LocationList const & locs (_locations->list());
1687 for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
1689 Location* location = *i;
1691 if (location->is_skip() && location->is_skipping()) {
1692 SessionEvent* ev = new SessionEvent (SessionEvent::Skip, SessionEvent::Add, location->start(), location->end(), 1.0);
1700 Session::location_added (Location *location)
1702 if (location->is_auto_punch()) {
1703 set_auto_punch_location (location);
1706 if (location->is_auto_loop()) {
1707 set_auto_loop_location (location);
1710 if (location->is_session_range()) {
1711 /* no need for any signal handling or event setting with the session range,
1712 because we keep a direct reference to it and use its start/end directly.
1714 _session_range_location = location;
1717 if (location->is_mark()) {
1718 /* listen for per-location signals that require us to do any * global updates for marks */
1720 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1721 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1722 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1723 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_marks, this, location));
1726 if (location->is_skip()) {
1727 /* listen for per-location signals that require us to update skip-locate events */
1729 location->StartChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1730 location->EndChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1731 location->Changed.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, true));
1732 location->FlagsChanged.connect_same_thread (skip_update_connections, boost::bind (&Session::update_skips, this, location, false));
1734 update_skips (location, true);
1741 Session::location_removed (Location *location)
1743 if (location->is_auto_loop()) {
1744 set_auto_loop_location (0);
1745 set_track_loop (false);
1748 if (location->is_auto_punch()) {
1749 set_auto_punch_location (0);
1752 if (location->is_session_range()) {
1753 /* this is never supposed to happen */
1754 error << _("programming error: session range removed!") << endl;
1757 if (location->is_skip()) {
1759 update_skips (location, false);
1766 Session::locations_changed ()
1768 _locations->apply (*this, &Session::_locations_changed);
1772 Session::_locations_changed (const Locations::LocationList& locations)
1774 /* There was some mass-change in the Locations object.
1776 We might be re-adding a location here but it doesn't actually matter
1777 for all the locations that the Session takes an interest in.
1781 PBD::Unwinder<bool> protect_ignore_skip_updates (_ignore_skips_updates, true);
1782 for (Locations::LocationList::const_iterator i = locations.begin(); i != locations.end(); ++i) {
1783 location_added (*i);
1787 update_skips (NULL, false);
1791 Session::enable_record ()
1793 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
1794 /* no recording at anything except normal speed */
1799 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
1801 if (rs == Recording) {
1805 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
1807 _last_record_location = _transport_frame;
1808 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
1810 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1811 set_track_monitor_input_status (true);
1814 RecordStateChanged ();
1821 Session::disable_record (bool rt_context, bool force)
1825 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1827 if (!Config->get_latched_record_enable () || force) {
1828 g_atomic_int_set (&_record_status, Disabled);
1829 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
1831 if (rs == Recording) {
1832 g_atomic_int_set (&_record_status, Enabled);
1836 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1837 set_track_monitor_input_status (false);
1840 RecordStateChanged (); /* emit signal */
1843 remove_pending_capture_state ();
1849 Session::step_back_from_record ()
1851 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
1853 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1854 set_track_monitor_input_status (false);
1857 RecordStateChanged (); /* emit signal */
1862 Session::maybe_enable_record ()
1864 if (_step_editors > 0) {
1868 g_atomic_int_set (&_record_status, Enabled);
1870 /* This function is currently called from somewhere other than an RT thread.
1871 This save_state() call therefore doesn't impact anything. Doing it here
1872 means that we save pending state of which sources the next record will use,
1873 which gives us some chance of recovering from a crash during the record.
1876 save_state ("", true);
1878 if (_transport_speed) {
1879 if (!config.get_punch_in()) {
1883 send_immediate_mmc (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
1884 RecordStateChanged (); /* EMIT SIGNAL */
1891 Session::audible_frame () const
1897 offset = worst_playback_latency ();
1899 if (synced_to_engine()) {
1900 /* Note: this is basically just sync-to-JACK */
1901 tf = _engine.transport_frame();
1903 tf = _transport_frame;
1908 if (!non_realtime_work_pending()) {
1912 /* Check to see if we have passed the first guaranteed
1913 audible frame past our last start position. if not,
1914 return that last start point because in terms
1915 of audible frames, we have not moved yet.
1917 `Start position' in this context means the time we last
1918 either started, located, or changed transport direction.
1921 if (_transport_speed > 0.0f) {
1923 if (!play_loop || !have_looped) {
1924 if (tf < _last_roll_or_reversal_location + offset) {
1925 return _last_roll_or_reversal_location;
1933 } else if (_transport_speed < 0.0f) {
1935 /* XXX wot? no backward looping? */
1937 if (tf > _last_roll_or_reversal_location - offset) {
1938 return _last_roll_or_reversal_location;
1950 Session::set_frame_rate (framecnt_t frames_per_second)
1952 /** \fn void Session::set_frame_size(framecnt_t)
1953 the AudioEngine object that calls this guarantees
1954 that it will not be called while we are also in
1955 ::process(). Its fine to do things that block
1959 _base_frame_rate = frames_per_second;
1960 _nominal_frame_rate = frames_per_second;
1965 reset_write_sources (false);
1967 // XXX we need some equivalent to this, somehow
1968 // SndFileSource::setup_standard_crossfades (frames_per_second);
1972 /* XXX need to reset/reinstantiate all LADSPA plugins */
1976 Session::set_block_size (pframes_t nframes)
1978 /* the AudioEngine guarantees
1979 that it will not be called while we are also in
1980 ::process(). It is therefore fine to do things that block
1985 current_block_size = nframes;
1989 boost::shared_ptr<RouteList> r = routes.reader ();
1991 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1992 (*i)->set_block_size (nframes);
1995 boost::shared_ptr<RouteList> rl = routes.reader ();
1996 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1997 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1999 tr->set_block_size (nframes);
2003 set_worst_io_latencies ();
2009 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
2011 boost::shared_ptr<Route> r2;
2013 if (r1->feeds (rbase) && rbase->feeds (r1)) {
2014 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
2018 /* make a copy of the existing list of routes that feed r1 */
2020 Route::FedBy existing (r1->fed_by());
2022 /* for each route that feeds r1, recurse, marking it as feeding
2026 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
2027 if (!(r2 = i->r.lock ())) {
2028 /* (*i) went away, ignore it */
2032 /* r2 is a route that feeds r1 which somehow feeds base. mark
2033 base as being fed by r2
2036 rbase->add_fed_by (r2, i->sends_only);
2040 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
2044 if (r1->feeds (r2) && r2->feeds (r1)) {
2048 /* now recurse, so that we can mark base as being fed by
2049 all routes that feed r2
2052 trace_terminal (r2, rbase);
2059 Session::resort_routes ()
2061 /* don't do anything here with signals emitted
2062 by Routes during initial setup or while we
2063 are being destroyed.
2066 if (_state_of_the_state & (InitialConnecting | Deletion)) {
2070 if (_route_deletion_in_progress) {
2075 RCUWriter<RouteList> writer (routes);
2076 boost::shared_ptr<RouteList> r = writer.get_copy ();
2077 resort_routes_using (r);
2078 /* writer goes out of scope and forces update */
2082 boost::shared_ptr<RouteList> rl = routes.reader ();
2083 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
2084 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
2086 const Route::FedBy& fb ((*i)->fed_by());
2088 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
2089 boost::shared_ptr<Route> sf = f->r.lock();
2091 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
2099 /** This is called whenever we need to rebuild the graph of how we will process
2101 * @param r List of routes, in any order.
2105 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
2107 /* We are going to build a directed graph of our routes;
2108 this is where the edges of that graph are put.
2113 /* Go through all routes doing two things:
2115 * 1. Collect the edges of the route graph. Each of these edges
2116 * is a pair of routes, one of which directly feeds the other
2117 * either by a JACK connection or by an internal send.
2119 * 2. Begin the process of making routes aware of which other
2120 * routes directly or indirectly feed them. This information
2121 * is used by the solo code.
2124 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2126 /* Clear out the route's list of direct or indirect feeds */
2127 (*i)->clear_fed_by ();
2129 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
2131 bool via_sends_only;
2133 /* See if this *j feeds *i according to the current state of the JACK
2134 connections and internal sends.
2136 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
2137 /* add the edge to the graph (part #1) */
2138 edges.add (*j, *i, via_sends_only);
2139 /* tell the route (for part #2) */
2140 (*i)->add_fed_by (*j, via_sends_only);
2145 /* Attempt a topological sort of the route graph */
2146 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
2148 if (sorted_routes) {
2149 /* We got a satisfactory topological sort, so there is no feedback;
2152 Note: the process graph rechain does not require a
2153 topologically-sorted list, but hey ho.
2155 if (_process_graph) {
2156 _process_graph->rechain (sorted_routes, edges);
2159 _current_route_graph = edges;
2161 /* Complete the building of the routes' lists of what directly
2162 or indirectly feeds them.
2164 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2165 trace_terminal (*i, *i);
2168 *r = *sorted_routes;
2171 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
2172 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2173 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 signal order %2\n",
2174 (*i)->name(), (*i)->order_key ()));
2178 SuccessfulGraphSort (); /* EMIT SIGNAL */
2181 /* The topological sort failed, so we have a problem. Tell everyone
2182 and stick to the old graph; this will continue to be processed, so
2183 until the feedback is fixed, what is played back will not quite
2184 reflect what is actually connected. Note also that we do not
2185 do trace_terminal here, as it would fail due to an endless recursion,
2186 so the solo code will think that everything is still connected
2190 FeedbackDetected (); /* EMIT SIGNAL */
2195 /** Find a route name starting with \a base, maybe followed by the
2196 * lowest \a id. \a id will always be added if \a definitely_add_number
2197 * is true on entry; otherwise it will only be added if required
2198 * to make the name unique.
2200 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
2201 * The available route name with the lowest ID will be used, and \a id
2202 * will be set to the ID.
2204 * \return false if a route name could not be found, and \a track_name
2205 * and \a id do not reflect a free route name.
2208 Session::find_route_name (string const & base, uint32_t& id, string& name, bool definitely_add_number)
2210 /* the base may conflict with ports that do not belong to existing
2211 routes, but hidden objects like the click track. So check port names
2212 before anything else.
2215 for (vector<string>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
2216 if (base == *reserved) {
2217 /* Check if this reserved name already exists, and if
2218 so, disallow it without a numeric suffix.
2220 if (route_by_name (*reserved)) {
2221 definitely_add_number = true;
2230 if (!definitely_add_number && route_by_name (base) == 0) {
2231 /* juse use the base */
2237 name = string_compose ("%1 %2", base, id);
2239 if (route_by_name (name) == 0) {
2245 } while (id < (UINT_MAX-1));
2250 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
2252 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
2254 in = ChanCount::ZERO;
2255 out = ChanCount::ZERO;
2257 boost::shared_ptr<RouteList> r = routes.reader ();
2259 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2260 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
2261 if (tr && !tr->is_auditioner()) {
2262 in += tr->n_inputs();
2263 out += tr->n_outputs();
2269 Session::default_track_name_pattern (DataType t)
2272 case DataType::AUDIO:
2273 if (Profile->get_trx()) {
2280 case DataType::MIDI:
2287 /** Caller must not hold process lock
2288 * @param name_template string to use for the start of the name, or "" to use "MIDI".
2289 * @param instrument plugin info for the instrument to insert pre-fader, if any
2291 list<boost::shared_ptr<MidiTrack> >
2292 Session::new_midi_track (const ChanCount& input, const ChanCount& output, boost::shared_ptr<PluginInfo> instrument,
2293 TrackMode mode, RouteGroup* route_group, uint32_t how_many, string name_template)
2296 uint32_t track_id = 0;
2298 RouteList new_routes;
2299 list<boost::shared_ptr<MidiTrack> > ret;
2301 const string name_pattern = default_track_name_pattern (DataType::MIDI);
2302 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2305 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, use_number)) {
2306 error << "cannot find name for new midi track" << endmsg;
2310 boost::shared_ptr<MidiTrack> track;
2313 track.reset (new MidiTrack (*this, track_name, Route::Flag (0), mode));
2315 if (track->init ()) {
2319 track->use_new_diskstream();
2321 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2322 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
2325 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2326 if (track->input()->ensure_io (input, false, this)) {
2327 error << "cannot configure " << input << " out configuration for new midi track" << endmsg;
2331 if (track->output()->ensure_io (output, false, this)) {
2332 error << "cannot configure " << output << " out configuration for new midi track" << endmsg;
2337 track->non_realtime_input_change();
2340 route_group->add (track);
2343 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
2345 if (Config->get_remote_model() == UserOrdered) {
2346 track->set_remote_control_id (next_control_id());
2349 new_routes.push_back (track);
2350 ret.push_back (track);
2352 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2355 catch (failed_constructor &err) {
2356 error << _("Session: could not create new midi track.") << endmsg;
2360 catch (AudioEngine::PortRegistrationFailure& pfe) {
2362 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;
2370 if (!new_routes.empty()) {
2371 StateProtector sp (this);
2372 if (Profile->get_trx()) {
2373 add_routes (new_routes, false, false, false);
2375 add_routes (new_routes, true, true, false);
2379 for (RouteList::iterator r = new_routes.begin(); r != new_routes.end(); ++r) {
2380 PluginPtr plugin = instrument->load (*this);
2381 boost::shared_ptr<Processor> p (new PluginInsert (*this, plugin));
2382 (*r)->add_processor (p, PreFader);
2392 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
2394 boost::shared_ptr<Route> midi_track (wmt.lock());
2400 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
2402 if (change.after.n_audio() <= change.before.n_audio()) {
2406 /* new audio ports: make sure the audio goes somewhere useful,
2407 unless the user has no-auto-connect selected.
2409 The existing ChanCounts don't matter for this call as they are only
2410 to do with matching input and output indices, and we are only changing
2416 auto_connect_route (midi_track, dummy, dummy, false, false, ChanCount(), change.before);
2420 /** @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
2421 * @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
2422 * @param output_start As \a input_start, but for outputs.
2425 Session::auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
2426 bool with_lock, bool connect_inputs, ChanCount input_start, ChanCount output_start)
2428 if (!IO::connecting_legal) {
2432 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2438 /* If both inputs and outputs are auto-connected to physical ports,
2439 use the max of input and output offsets to ensure auto-connected
2440 port numbers always match up (e.g. the first audio input and the
2441 first audio output of the route will have the same physical
2442 port number). Otherwise just use the lowest input or output
2446 DEBUG_TRACE (DEBUG::Graph,
2447 string_compose("Auto-connect: existing in = %1 out = %2\n",
2448 existing_inputs, existing_outputs));
2450 const bool in_out_physical =
2451 (Config->get_input_auto_connect() & AutoConnectPhysical)
2452 && (Config->get_output_auto_connect() & AutoConnectPhysical)
2455 const ChanCount in_offset = in_out_physical
2456 ? ChanCount::max(existing_inputs, existing_outputs)
2459 const ChanCount out_offset = in_out_physical
2460 ? ChanCount::max(existing_inputs, existing_outputs)
2463 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
2464 vector<string> physinputs;
2465 vector<string> physoutputs;
2467 _engine.get_physical_outputs (*t, physoutputs);
2468 _engine.get_physical_inputs (*t, physinputs);
2470 if (!physinputs.empty() && connect_inputs) {
2471 uint32_t nphysical_in = physinputs.size();
2473 DEBUG_TRACE (DEBUG::Graph,
2474 string_compose("There are %1 physical inputs of type %2\n",
2477 for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
2480 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
2481 DEBUG_TRACE (DEBUG::Graph,
2482 string_compose("Get index %1 + %2 % %3 = %4\n",
2483 in_offset.get(*t), i, nphysical_in,
2484 (in_offset.get(*t) + i) % nphysical_in));
2485 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
2488 DEBUG_TRACE (DEBUG::Graph,
2489 string_compose("Connect route %1 IN to %2\n",
2490 route->name(), port));
2492 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
2496 ChanCount one_added (*t, 1);
2497 existing_inputs += one_added;
2501 if (!physoutputs.empty()) {
2502 uint32_t nphysical_out = physoutputs.size();
2503 for (uint32_t i = output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
2507 * do not create new connections if we reached the limit of physical outputs
2511 if (!(Config->get_output_auto_connect() & AutoConnectMaster) &&
2512 ARDOUR::Profile->get_trx () &&
2513 existing_outputs.get(*t) == nphysical_out ) {
2517 if ((*t) == DataType::MIDI && (Config->get_output_auto_connect() & AutoConnectPhysical)) {
2518 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
2519 } else if ((*t) == DataType::AUDIO && (Config->get_output_auto_connect() & AutoConnectMaster)) {
2520 /* master bus is audio only */
2521 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
2522 port = _master_out->input()->ports().port(*t,
2523 i % _master_out->input()->n_ports().get(*t))->name();
2527 DEBUG_TRACE (DEBUG::Graph,
2528 string_compose("Connect route %1 OUT to %2\n",
2529 route->name(), port));
2531 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
2535 ChanCount one_added (*t, 1);
2536 existing_outputs += one_added;
2542 #ifdef USE_TRACKS_CODE_FEATURES
2545 compare_routes_by_remote_id (const boost::shared_ptr<Route>& route1, const boost::shared_ptr<Route>& route2)
2547 return route1->remote_control_id() < route2->remote_control_id();
2551 Session::reconnect_existing_routes (bool withLock, bool reconnect_master, bool reconnect_inputs, bool reconnect_outputs)
2553 // it is not allowed to perform connection
2554 if (!IO::connecting_legal) {
2558 // if we are deleting routes we will call this once at the end
2559 if (_route_deletion_in_progress) {
2563 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
2569 // We need to disconnect the route's inputs and outputs first
2570 // basing on autoconnect configuration
2571 bool reconnectIputs = !(Config->get_input_auto_connect() & ManualConnect) && reconnect_inputs;
2572 bool reconnectOutputs = !(Config->get_output_auto_connect() & ManualConnect) && reconnect_outputs;
2574 ChanCount existing_inputs;
2575 ChanCount existing_outputs;
2576 count_existing_track_channels (existing_inputs, existing_outputs);
2578 //ChanCount inputs = ChanCount::ZERO;
2579 //ChanCount outputs = ChanCount::ZERO;
2581 RouteList existing_routes = *routes.reader ();
2582 existing_routes.sort (compare_routes_by_remote_id);
2585 PBD::Unwinder<bool> protect_ignore_changes (_reconnecting_routes_in_progress, true);
2587 vector<string> physinputs;
2588 vector<string> physoutputs;
2590 EngineStateController::instance()->get_physical_audio_outputs(physoutputs);
2591 EngineStateController::instance()->get_physical_audio_inputs(physinputs);
2593 uint32_t input_n = 0;
2594 uint32_t output_n = 0;
2595 RouteList::iterator rIter = existing_routes.begin();
2596 const AutoConnectOption current_input_auto_connection (Config->get_input_auto_connect());
2597 const AutoConnectOption current_output_auto_connection (Config->get_output_auto_connect());
2598 for (; rIter != existing_routes.end(); ++rIter) {
2599 if (*rIter == _master_out || *rIter == _monitor_out ) {
2603 if (current_output_auto_connection == AutoConnectPhysical) {
2604 (*rIter)->amp()->deactivate();
2605 } else if (current_output_auto_connection == AutoConnectMaster) {
2606 (*rIter)->amp()->activate();
2609 if (reconnectIputs) {
2610 (*rIter)->input()->disconnect (this); //GZ: check this; could be heavy
2612 for (uint32_t route_input_n = 0; route_input_n < (*rIter)->n_inputs().get(DataType::AUDIO); ++route_input_n) {
2614 if (current_input_auto_connection & AutoConnectPhysical) {
2616 if ( input_n == physinputs.size() ) {
2620 string port = physinputs[input_n];
2622 if (port.empty() ) {
2623 error << "Physical Input number "<< input_n << " is unavailable and cannot be connected" << endmsg;
2626 //GZ: check this; could be heavy
2627 (*rIter)->input()->connect ((*rIter)->input()->ports().port(DataType::AUDIO, route_input_n), port, this);
2633 if (reconnectOutputs) {
2635 //normalize route ouptuts: reduce the amount outputs to be equal to the amount of inputs
2636 if (current_output_auto_connection & AutoConnectPhysical) {
2638 //GZ: check this; could be heavy
2639 (*rIter)->output()->disconnect (this);
2640 size_t route_inputs_count = (*rIter)->n_inputs().get(DataType::AUDIO);
2642 //GZ: check this; could be heavy
2643 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, route_inputs_count), false, this );
2645 } else if (current_output_auto_connection & AutoConnectMaster){
2647 if (!reconnect_master) {
2651 //GZ: check this; could be heavy
2652 (*rIter)->output()->disconnect (this);
2655 uint32_t master_inputs_count = _master_out->n_inputs().get(DataType::AUDIO);
2656 (*rIter)->output()->ensure_io(ChanCount(DataType::AUDIO, master_inputs_count), false, this );
2658 error << error << "Master bus is not available" << endmsg;
2663 for (uint32_t route_output_n = 0; route_output_n < (*rIter)->n_outputs().get(DataType::AUDIO); ++route_output_n) {
2664 if (current_output_auto_connection & AutoConnectPhysical) {
2666 if ( output_n == physoutputs.size() ) {
2670 string port = physoutputs[output_n];
2672 if (port.empty() ) {
2673 error << "Physical Output number "<< output_n << " is unavailable and cannot be connected" << endmsg;
2676 //GZ: check this; could be heavy
2677 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2680 } else if (current_output_auto_connection & AutoConnectMaster) {
2682 if ( route_output_n == _master_out->n_inputs().get(DataType::AUDIO) ) {
2686 // connect to master bus
2687 string port = _master_out->input()->ports().port(DataType::AUDIO, route_output_n)->name();
2689 if (port.empty() ) {
2690 error << "MasterBus Input number "<< route_output_n << " is unavailable and cannot be connected" << endmsg;
2694 //GZ: check this; could be heavy
2695 (*rIter)->output()->connect ((*rIter)->output()->ports().port(DataType::AUDIO, route_output_n), port, this);
2701 //auto_connect_route (*rIter, inputs, outputs, false, reconnectIputs);
2704 _master_out->output()->disconnect (this);
2705 auto_connect_master_bus ();
2710 session_routes_reconnected (); /* EMIT SIGNAL */
2714 Session::reconnect_midi_scene_ports(bool inputs)
2718 boost::shared_ptr<MidiPort> scene_in_ptr = scene_in();
2720 scene_in_ptr->disconnect_all ();
2722 std::vector<EngineStateController::MidiPortState> midi_port_states;
2723 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2725 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2727 for (; state_iter != midi_port_states.end(); ++state_iter) {
2728 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2729 scene_in_ptr->connect (state_iter->name);
2736 boost::shared_ptr<MidiPort> scene_out_ptr = scene_out();
2738 if (scene_out_ptr ) {
2739 scene_out_ptr->disconnect_all ();
2741 std::vector<EngineStateController::MidiPortState> midi_port_states;
2742 EngineStateController::instance()->get_physical_midi_output_states (midi_port_states);
2744 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2746 for (; state_iter != midi_port_states.end(); ++state_iter) {
2747 if (state_iter->active && state_iter->available && state_iter->scene_connected) {
2748 scene_out_ptr->connect (state_iter->name);
2756 Session::reconnect_mtc_ports ()
2758 boost::shared_ptr<MidiPort> mtc_in_ptr = _midi_ports->mtc_input_port();
2764 mtc_in_ptr->disconnect_all ();
2766 std::vector<EngineStateController::MidiPortState> midi_port_states;
2767 EngineStateController::instance()->get_physical_midi_input_states (midi_port_states);
2769 std::vector<EngineStateController::MidiPortState>::iterator state_iter = midi_port_states.begin();
2771 for (; state_iter != midi_port_states.end(); ++state_iter) {
2772 if (state_iter->available && state_iter->mtc_in) {
2773 mtc_in_ptr->connect (state_iter->name);
2777 if (!_midi_ports->mtc_input_port ()->connected () &&
2778 config.get_external_sync () &&
2779 (Config->get_sync_source () == MTC) ) {
2780 config.set_external_sync (false);
2783 if ( ARDOUR::Profile->get_trx () ) {
2784 // Tracks need this signal to update timecode_source_dropdown
2785 MtcOrLtcInputPortChanged (); //emit signal
2790 Session::reconnect_mmc_ports(bool inputs)
2792 if (inputs ) { // get all enabled midi input ports
2794 boost::shared_ptr<MidiPort> mmc_in_ptr = _midi_ports->mmc_in();
2796 mmc_in_ptr->disconnect_all ();
2797 std::vector<std::string> enabled_midi_inputs;
2798 EngineStateController::instance()->get_physical_midi_inputs (enabled_midi_inputs);
2800 std::vector<std::string>::iterator port_iter = enabled_midi_inputs.begin();
2802 for (; port_iter != enabled_midi_inputs.end(); ++port_iter) {
2803 mmc_in_ptr->connect (*port_iter);
2807 } else { // get all enabled midi output ports
2809 boost::shared_ptr<MidiPort> mmc_out_ptr = _midi_ports->mmc_out();
2811 mmc_out_ptr->disconnect_all ();
2812 std::vector<std::string> enabled_midi_outputs;
2813 EngineStateController::instance()->get_physical_midi_outputs (enabled_midi_outputs);
2815 std::vector<std::string>::iterator port_iter = enabled_midi_outputs.begin();
2817 for (; port_iter != enabled_midi_outputs.end(); ++port_iter) {
2818 mmc_out_ptr->connect (*port_iter);
2826 /** Caller must not hold process lock
2827 * @param name_template string to use for the start of the name, or "" to use "Audio".
2829 list< boost::shared_ptr<AudioTrack> >
2830 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode, RouteGroup* route_group,
2831 uint32_t how_many, string name_template)
2834 uint32_t track_id = 0;
2836 RouteList new_routes;
2837 list<boost::shared_ptr<AudioTrack> > ret;
2839 const string name_pattern = default_track_name_pattern (DataType::AUDIO);
2840 bool const use_number = (how_many != 1) || name_template.empty () || (name_template == name_pattern);
2844 if (!find_route_name (name_template.empty() ? _(name_pattern.c_str()) : name_template, ++track_id, track_name, use_number)) {
2845 error << "cannot find name for new audio track" << endmsg;
2849 boost::shared_ptr<AudioTrack> track;
2852 track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
2854 if (track->init ()) {
2858 if (ARDOUR::Profile->get_trx ()) {
2859 // TRACKS considers it's not a USE CASE, it's
2860 // a piece of behavior of the session model:
2862 // Gain for a newly created route depends on
2863 // the current output_auto_connect mode:
2865 // 0 for Stereo Out mode
2867 if (Config->get_output_auto_connect() & AutoConnectMaster) {
2868 track->set_gain (dB_to_coefficient (0), 0);
2872 track->use_new_diskstream();
2874 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2875 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
2878 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2880 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
2881 error << string_compose (
2882 _("cannot configure %1 in/%2 out configuration for new audio track"),
2883 input_channels, output_channels)
2888 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
2889 error << string_compose (
2890 _("cannot configure %1 in/%2 out configuration for new audio track"),
2891 input_channels, output_channels)
2898 route_group->add (track);
2901 track->non_realtime_input_change();
2903 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
2904 if (Config->get_remote_model() == UserOrdered) {
2905 track->set_remote_control_id (next_control_id());
2908 new_routes.push_back (track);
2909 ret.push_back (track);
2911 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
2914 catch (failed_constructor &err) {
2915 error << _("Session: could not create new audio track.") << endmsg;
2919 catch (AudioEngine::PortRegistrationFailure& pfe) {
2921 error << pfe.what() << endmsg;
2929 if (!new_routes.empty()) {
2930 StateProtector sp (this);
2931 if (Profile->get_trx()) {
2932 add_routes (new_routes, false, false, false);
2934 add_routes (new_routes, true, true, false);
2941 /** Caller must not hold process lock.
2942 * @param name_template string to use for the start of the name, or "" to use "Bus".
2945 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template)
2948 uint32_t bus_id = 0;
2952 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
2955 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, use_number)) {
2956 error << "cannot find name for new audio bus" << endmsg;
2961 boost::shared_ptr<Route> bus (new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO));
2967 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
2968 // boost_debug_shared_ptr_mark_interesting (bus.get(), "Route");
2971 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2973 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
2974 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
2975 input_channels, output_channels)
2981 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
2982 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
2983 input_channels, output_channels)
2990 route_group->add (bus);
2992 if (Config->get_remote_model() == UserOrdered) {
2993 bus->set_remote_control_id (next_control_id());
2996 bus->add_internal_return ();
2998 ret.push_back (bus);
3000 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3006 catch (failed_constructor &err) {
3007 error << _("Session: could not create new audio route.") << endmsg;
3011 catch (AudioEngine::PortRegistrationFailure& pfe) {
3012 error << pfe.what() << endmsg;
3022 StateProtector sp (this);
3023 if (Profile->get_trx()) {
3024 add_routes (ret, false, false, false);
3026 add_routes (ret, false, true, true); // autoconnect // outputs only
3035 Session::new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name_base)
3038 uint32_t control_id;
3040 uint32_t number = 0;
3041 const uint32_t being_added = how_many;
3043 if (!tree.read (template_path.c_str())) {
3047 XMLNode* node = tree.root();
3049 IO::disable_connecting ();
3051 control_id = next_control_id ();
3055 XMLNode node_copy (*node);
3057 /* Remove IDs of everything so that new ones are used */
3058 node_copy.remove_property_recursively (X_("id"));
3063 if (!name_base.empty()) {
3065 /* if we're adding more than one routes, force
3066 * all the names of the new routes to be
3067 * numbered, via the final parameter.
3070 if (!find_route_name (name_base.c_str(), ++number, name, (being_added > 1))) {
3071 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3077 string const route_name = node_copy.property(X_("name"))->value ();
3079 /* generate a new name by adding a number to the end of the template name */
3080 if (!find_route_name (route_name.c_str(), ++number, name, true)) {
3081 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
3082 abort(); /*NOTREACHED*/
3086 /* set this name in the XML description that we are about to use */
3087 Route::set_name_in_state (node_copy, name);
3089 /* trim bitslots from listen sends so that new ones are used */
3090 XMLNodeList children = node_copy.children ();
3091 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
3092 if ((*i)->name() == X_("Processor")) {
3093 XMLProperty* role = (*i)->property (X_("role"));
3094 if (role && role->value() == X_("Listen")) {
3095 (*i)->remove_property (X_("bitslot"));
3100 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
3103 error << _("Session: cannot create track/bus from template description") << endmsg;
3107 if (boost::dynamic_pointer_cast<Track>(route)) {
3108 /* force input/output change signals so that the new diskstream
3109 picks up the configuration of the route. During session
3110 loading this normally happens in a different way.
3113 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3115 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
3116 change.after = route->input()->n_ports();
3117 route->input()->changed (change, this);
3118 change.after = route->output()->n_ports();
3119 route->output()->changed (change, this);
3122 route->set_remote_control_id (control_id);
3125 ret.push_back (route);
3127 RouteAddedOrRemoved (true); /* EMIT SIGNAL */
3130 catch (failed_constructor &err) {
3131 error << _("Session: could not create new route from template") << endmsg;
3135 catch (AudioEngine::PortRegistrationFailure& pfe) {
3136 error << pfe.what() << endmsg;
3145 StateProtector sp (this);
3146 if (Profile->get_trx()) {
3147 add_routes (ret, false, false, false);
3149 add_routes (ret, true, true, false);
3151 IO::enable_connecting ();
3158 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save)
3161 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
3162 add_routes_inner (new_routes, input_auto_connect, output_auto_connect);
3165 error << _("Adding new tracks/busses failed") << endmsg;
3170 update_latency (true);
3171 update_latency (false);
3176 save_state (_current_snapshot_name);
3179 reassign_track_numbers();
3181 update_route_record_state ();
3183 RouteAdded (new_routes); /* EMIT SIGNAL */
3187 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect)
3189 ChanCount existing_inputs;
3190 ChanCount existing_outputs;
3191 uint32_t order = next_control_id();
3193 if (_order_hint > -1) {
3194 order = _order_hint;
3198 count_existing_track_channels (existing_inputs, existing_outputs);
3201 RCUWriter<RouteList> writer (routes);
3202 boost::shared_ptr<RouteList> r = writer.get_copy ();
3203 r->insert (r->end(), new_routes.begin(), new_routes.end());
3205 /* if there is no control out and we're not in the middle of loading,
3206 resort the graph here. if there is a control out, we will resort
3207 toward the end of this method. if we are in the middle of loading,
3208 we will resort when done.
3211 if (!_monitor_out && IO::connecting_legal) {
3212 resort_routes_using (r);
3216 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3218 boost::weak_ptr<Route> wpr (*x);
3219 boost::shared_ptr<Route> r (*x);
3221 r->listen_changed.connect_same_thread (*this, boost::bind (&Session::route_listen_changed, this, _2, wpr));
3222 r->solo_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _3, wpr));
3223 r->solo_isolated_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, _1, wpr));
3224 r->mute_changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this, _1));
3225 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
3226 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
3228 if (r->is_master()) {
3232 if (r->is_monitor()) {
3236 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
3238 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
3239 track_playlist_changed (boost::weak_ptr<Track> (tr));
3240 tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_route_record_state, this));
3242 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
3244 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
3245 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
3250 if (input_auto_connect || output_auto_connect) {
3251 auto_connect_route (r, existing_inputs, existing_outputs, true, input_auto_connect);
3254 /* order keys are a GUI responsibility but we need to set up
3255 reasonable defaults because they also affect the remote control
3256 ID in most situations.
3259 if (!r->has_order_key ()) {
3260 if (r->is_auditioner()) {
3261 /* use an arbitrarily high value */
3262 r->set_order_key (UINT_MAX);
3264 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("while adding, set %1 to order key %2\n", r->name(), order));
3265 r->set_order_key (order);
3273 if (_monitor_out && IO::connecting_legal) {
3274 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
3276 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
3277 if ((*x)->is_monitor()) {
3279 } else if ((*x)->is_master()) {
3282 (*x)->enable_monitor_send ();
3289 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
3291 boost::shared_ptr<RouteList> r = routes.reader ();
3292 boost::shared_ptr<Send> s;
3294 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3295 if ((s = (*i)->internal_send_for (dest)) != 0) {
3296 s->amp()->gain_control()->set_value (GAIN_COEFF_ZERO);
3302 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
3304 boost::shared_ptr<RouteList> r = routes.reader ();
3305 boost::shared_ptr<Send> s;
3307 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3308 if ((s = (*i)->internal_send_for (dest)) != 0) {
3309 s->amp()->gain_control()->set_value (GAIN_COEFF_UNITY);
3315 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
3317 boost::shared_ptr<RouteList> r = routes.reader ();
3318 boost::shared_ptr<Send> s;
3320 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3321 if ((s = (*i)->internal_send_for (dest)) != 0) {
3322 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value());
3327 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
3329 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
3331 boost::shared_ptr<RouteList> r = routes.reader ();
3332 boost::shared_ptr<RouteList> t (new RouteList);
3334 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3335 /* no MIDI sends because there are no MIDI busses yet */
3336 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
3341 add_internal_sends (dest, p, t);
3345 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
3347 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
3348 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
3353 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
3355 add_internal_send (dest, sender->before_processor_for_index (index), sender);
3359 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
3361 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
3365 if (!dest->internal_return()) {
3366 dest->add_internal_return ();
3369 sender->add_aux_send (dest, before);
3376 Session::remove_routes (boost::shared_ptr<RouteList> routes_to_remove)
3378 { // RCU Writer scope
3379 PBD::Unwinder<bool> uw_flag (_route_deletion_in_progress, true);
3380 RCUWriter<RouteList> writer (routes);
3381 boost::shared_ptr<RouteList> rs = writer.get_copy ();
3384 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3386 if (*iter == _master_out) {
3390 (*iter)->set_solo (false, this);
3394 /* deleting the master out seems like a dumb
3395 idea, but its more of a UI policy issue
3399 if (*iter == _master_out) {
3400 _master_out = boost::shared_ptr<Route> ();
3403 if (*iter == _monitor_out) {
3404 _monitor_out.reset ();
3407 // We need to disconnect the route's inputs and outputs
3409 (*iter)->input()->disconnect (0);
3410 (*iter)->output()->disconnect (0);
3412 /* if the route had internal sends sending to it, remove them */
3413 if ((*iter)->internal_return()) {
3415 boost::shared_ptr<RouteList> r = routes.reader ();
3416 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3417 boost::shared_ptr<Send> s = (*i)->internal_send_for (*iter);
3419 (*i)->remove_processor (s);
3424 /* if the monitoring section had a pointer to this route, remove it */
3425 if (_monitor_out && !(*iter)->is_master() && !(*iter)->is_monitor()) {
3426 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3427 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
3428 (*iter)->remove_aux_or_listen (_monitor_out);
3431 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*iter);
3432 if (mt && mt->step_editing()) {
3433 if (_step_editors > 0) {
3439 /* writer goes out of scope, forces route list update */
3441 } // end of RCU Writer scope
3443 update_route_solo_state ();
3444 RouteAddedOrRemoved (false); /* EMIT SIGNAL */
3445 update_latency_compensation ();
3448 /* Re-sort routes to remove the graph's current references to the one that is
3449 * going away, then flush old references out of the graph.
3450 * Wave Tracks: reconnect routes
3453 #ifdef USE_TRACKS_CODE_FEATURES
3454 reconnect_existing_routes(true, false);
3456 routes.flush (); // maybe unsafe, see below.
3460 if (_process_graph) {
3461 _process_graph->clear_other_chain ();
3464 /* get rid of it from the dead wood collection in the route list manager */
3465 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
3469 /* try to cause everyone to drop their references
3470 * and unregister ports from the backend
3473 for (RouteList::iterator iter = routes_to_remove->begin(); iter != routes_to_remove->end(); ++iter) {
3474 (*iter)->drop_references ();
3477 Route::RemoteControlIDChange(); /* EMIT SIGNAL */
3479 /* save the new state of the world */
3481 if (save_state (_current_snapshot_name)) {
3482 save_history (_current_snapshot_name);
3485 reassign_track_numbers();
3486 update_route_record_state ();
3490 Session::remove_route (boost::shared_ptr<Route> route)
3492 boost::shared_ptr<RouteList> rl (new RouteList);
3493 rl->push_back (route);
3498 Session::route_mute_changed (void* /*src*/)
3504 Session::route_listen_changed (bool group_override, boost::weak_ptr<Route> wpr)
3506 boost::shared_ptr<Route> route = wpr.lock();
3508 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_listen_changed")) << endmsg;
3512 if (route->listening_via_monitor ()) {
3514 if (Config->get_exclusive_solo()) {
3515 /* new listen: disable all other listen, except solo-grouped channels */
3516 RouteGroup* rg = route->route_group ();
3517 bool leave_group_alone = (rg && rg->is_active() && rg->is_solo());
3518 if (group_override && rg) {
3519 leave_group_alone = !leave_group_alone;
3521 boost::shared_ptr<RouteList> r = routes.reader ();
3522 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3523 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner() || (leave_group_alone && ((*i)->route_group() == rg))) {
3526 (*i)->set_listen (false, this, group_override);
3532 } else if (_listen_cnt > 0) {
3537 update_route_solo_state ();
3540 Session::route_solo_isolated_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
3542 boost::shared_ptr<Route> route = wpr.lock ();
3545 /* should not happen */
3546 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_isolated_changed")) << endmsg;
3550 bool send_changed = false;
3552 if (route->solo_isolated()) {
3553 if (_solo_isolated_cnt == 0) {
3554 send_changed = true;
3556 _solo_isolated_cnt++;
3557 } else if (_solo_isolated_cnt > 0) {
3558 _solo_isolated_cnt--;
3559 if (_solo_isolated_cnt == 0) {
3560 send_changed = true;
3565 IsolatedChanged (); /* EMIT SIGNAL */
3570 Session::route_solo_changed (bool self_solo_change, bool group_override, boost::weak_ptr<Route> wpr)
3572 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1\n", self_solo_change));
3574 if (!self_solo_change) {
3575 // session doesn't care about changes to soloed-by-others
3579 boost::shared_ptr<Route> route = wpr.lock ();
3582 boost::shared_ptr<RouteList> r = routes.reader ();
3585 if (route->self_soloed()) {
3591 RouteGroup* rg = route->route_group ();
3592 bool leave_group_alone = (rg && rg->is_active() && rg->is_solo());
3593 if (group_override && rg) {
3594 leave_group_alone = !leave_group_alone;
3596 if (delta == 1 && Config->get_exclusive_solo()) {
3598 /* new solo: disable all other solos, but not the group if its solo-enabled */
3600 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3601 if ((*i) == route || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner() ||
3602 (leave_group_alone && ((*i)->route_group() == rg))) {
3605 (*i)->set_solo (false, this, group_override);
3609 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
3611 RouteList uninvolved;
3613 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
3615 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3616 bool via_sends_only;
3617 bool in_signal_flow;
3619 if ((*i) == route || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner() ||
3620 (leave_group_alone && ((*i)->route_group() == rg))) {
3624 in_signal_flow = false;
3626 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
3628 if ((*i)->feeds (route, &via_sends_only)) {
3629 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
3630 if (!via_sends_only) {
3631 if (!route->soloed_by_others_upstream()) {
3632 (*i)->mod_solo_by_others_downstream (delta);
3634 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others upstream\n");
3637 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
3639 in_signal_flow = true;
3641 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
3644 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
3646 if (route->feeds (*i, &via_sends_only)) {
3647 /* propagate solo upstream only if routing other than
3648 sends is involved, but do consider the other route
3649 (*i) to be part of the signal flow even if only
3652 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
3656 route->soloed_by_others_downstream(),
3657 route->soloed_by_others_upstream()));
3658 if (!via_sends_only) {
3659 //NB. Triggers Invert Push, which handles soloed by downstream
3660 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
3661 (*i)->mod_solo_by_others_upstream (delta);
3663 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
3665 in_signal_flow = true;
3667 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
3670 if (!in_signal_flow) {
3671 uninvolved.push_back (*i);
3675 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
3677 update_route_solo_state (r);
3679 /* now notify that the mute state of the routes not involved in the signal
3680 pathway of the just-solo-changed route may have altered.
3683 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
3684 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
3685 (*i)->act_on_mute ();
3686 (*i)->mute_changed (this);
3689 SoloChanged (); /* EMIT SIGNAL */
3694 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
3696 /* now figure out if anything that matters is soloed (or is "listening")*/
3698 bool something_soloed = false;
3699 uint32_t listeners = 0;
3700 uint32_t isolated = 0;
3703 r = routes.reader();
3706 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3707 if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner() && (*i)->self_soloed()) {
3708 something_soloed = true;
3711 if (!(*i)->is_auditioner() && (*i)->listening_via_monitor()) {
3712 if (Config->get_solo_control_is_listen_control()) {
3715 (*i)->set_listen (false, this);
3719 if ((*i)->solo_isolated()) {
3724 if (something_soloed != _non_soloed_outs_muted) {
3725 _non_soloed_outs_muted = something_soloed;
3726 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
3729 _listen_cnt = listeners;
3731 if (isolated != _solo_isolated_cnt) {
3732 _solo_isolated_cnt = isolated;
3733 IsolatedChanged (); /* EMIT SIGNAL */
3736 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
3737 something_soloed, listeners, isolated));
3740 boost::shared_ptr<RouteList>
3741 Session::get_routes_with_internal_returns() const
3743 boost::shared_ptr<RouteList> r = routes.reader ();
3744 boost::shared_ptr<RouteList> rl (new RouteList);
3746 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3747 if ((*i)->internal_return ()) {
3755 Session::io_name_is_legal (const std::string& name)
3757 boost::shared_ptr<RouteList> r = routes.reader ();
3759 for (vector<string>::const_iterator reserved = reserved_io_names.begin(); reserved != reserved_io_names.end(); ++reserved) {
3760 if (name == *reserved) {
3761 if (!route_by_name (*reserved)) {
3762 /* first instance of a reserved name is allowed */
3765 /* all other instances of a reserved name are not allowed */
3770 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3771 if ((*i)->name() == name) {
3775 if ((*i)->has_io_processor_named (name)) {
3784 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
3787 vector<string> connections;
3789 /* if we are passed only a single route and we're not told to turn
3790 * others off, then just do the simple thing.
3793 if (flip_others == false && rl->size() == 1) {
3794 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
3796 mt->set_input_active (onoff);
3801 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
3803 PortSet& ps ((*rt)->input()->ports());
3805 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
3806 p->get_connections (connections);
3809 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
3810 routes_using_input_from (*s, rl2);
3813 /* scan all relevant routes to see if others are on or off */
3815 bool others_are_already_on = false;
3817 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
3819 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
3825 if ((*r) != (*rt)) {
3826 if (mt->input_active()) {
3827 others_are_already_on = true;
3830 /* this one needs changing */
3831 mt->set_input_active (onoff);
3837 /* globally reverse other routes */
3839 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
3840 if ((*r) != (*rt)) {
3841 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
3843 mt->set_input_active (!others_are_already_on);
3852 Session::routes_using_input_from (const string& str, RouteList& rl)
3854 boost::shared_ptr<RouteList> r = routes.reader();
3856 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3857 if ((*i)->input()->connected_to (str)) {
3863 boost::shared_ptr<Route>
3864 Session::route_by_name (string name)
3866 boost::shared_ptr<RouteList> r = routes.reader ();
3868 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3869 if ((*i)->name() == name) {
3874 return boost::shared_ptr<Route> ((Route*) 0);
3877 boost::shared_ptr<Route>
3878 Session::route_by_id (PBD::ID id)
3880 boost::shared_ptr<RouteList> r = routes.reader ();
3882 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3883 if ((*i)->id() == id) {
3888 return boost::shared_ptr<Route> ((Route*) 0);
3891 boost::shared_ptr<Track>
3892 Session::track_by_diskstream_id (PBD::ID id)
3894 boost::shared_ptr<RouteList> r = routes.reader ();
3896 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3897 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
3898 if (t && t->using_diskstream_id (id)) {
3903 return boost::shared_ptr<Track> ();
3906 boost::shared_ptr<Route>
3907 Session::route_by_remote_id (uint32_t id)
3909 boost::shared_ptr<RouteList> r = routes.reader ();
3911 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3912 if ((*i)->remote_control_id() == id) {
3917 return boost::shared_ptr<Route> ((Route*) 0);
3922 Session::reassign_track_numbers ()
3926 RouteList r (*(routes.reader ()));
3927 SignalOrderRouteSorter sorter;
3930 StateProtector sp (this);
3932 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
3933 if (boost::dynamic_pointer_cast<Track> (*i)) {
3934 (*i)->set_track_number(++tn);
3936 else if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_auditioner()) {
3937 (*i)->set_track_number(--bn);
3940 const uint32_t decimals = ceilf (log10f (tn + 1));
3941 const bool decimals_changed = _track_number_decimals != decimals;
3942 _track_number_decimals = decimals;
3944 if (decimals_changed && config.get_track_name_number ()) {
3945 for (RouteList::iterator i = r.begin(); i != r.end(); ++i) {
3946 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
3948 t->resync_track_name();
3951 // trigger GUI re-layout
3952 config.ParameterChanged("track-name-number");
3957 Session::playlist_region_added (boost::weak_ptr<Region> w)
3959 boost::shared_ptr<Region> r = w.lock ();
3964 /* These are the operations that are currently in progress... */
3965 list<GQuark> curr = _current_trans_quarks;
3968 /* ...and these are the operations during which we want to update
3969 the session range location markers.
3972 ops.push_back (Operations::capture);
3973 ops.push_back (Operations::paste);
3974 ops.push_back (Operations::duplicate_region);
3975 ops.push_back (Operations::insert_file);
3976 ops.push_back (Operations::insert_region);
3977 ops.push_back (Operations::drag_region_brush);
3978 ops.push_back (Operations::region_drag);
3979 ops.push_back (Operations::selection_grab);
3980 ops.push_back (Operations::region_fill);
3981 ops.push_back (Operations::fill_selection);
3982 ops.push_back (Operations::create_region);
3983 ops.push_back (Operations::region_copy);
3984 ops.push_back (Operations::fixed_time_region_copy);
3987 /* See if any of the current operations match the ones that we want */
3989 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
3991 /* If so, update the session range markers */
3993 maybe_update_session_range (r->position (), r->last_frame ());
3997 /** Update the session range markers if a is before the current start or
3998 * b is after the current end.
4001 Session::maybe_update_session_range (framepos_t a, framepos_t b)
4003 if (_state_of_the_state & Loading) {
4007 framepos_t session_end_marker_shift_samples = session_end_shift * _nominal_frame_rate;
4009 if (_session_range_location == 0) {
4011 set_session_range_location (a, b + session_end_marker_shift_samples);
4015 if (a < _session_range_location->start()) {
4016 _session_range_location->set_start (a);
4019 if (b > _session_range_location->end()) {
4020 _session_range_location->set_end (b);
4026 Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
4028 for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4029 maybe_update_session_range (i->to, i->to + i->length);
4034 Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
4036 for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
4037 maybe_update_session_range (i->from, i->to);
4041 /* Region management */
4043 boost::shared_ptr<Region>
4044 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
4046 const RegionFactory::RegionMap& regions (RegionFactory::regions());
4047 RegionFactory::RegionMap::const_iterator i;
4048 boost::shared_ptr<Region> region;
4050 Glib::Threads::Mutex::Lock lm (region_lock);
4052 for (i = regions.begin(); i != regions.end(); ++i) {
4056 if (region->whole_file()) {
4058 if (child->source_equivalent (region)) {
4064 return boost::shared_ptr<Region> ();
4068 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
4070 set<boost::shared_ptr<Region> > relevant_regions;
4072 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
4073 RegionFactory::get_regions_using_source (*s, relevant_regions);
4076 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
4077 set<boost::shared_ptr<Region> >::iterator tmp;
4082 playlists->destroy_region (*r);
4083 RegionFactory::map_remove (*r);
4085 (*r)->drop_sources ();
4086 (*r)->drop_references ();
4088 relevant_regions.erase (r);
4093 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
4096 Glib::Threads::Mutex::Lock ls (source_lock);
4097 /* remove from the main source list */
4098 sources.erase ((*s)->id());
4101 (*s)->mark_for_remove ();
4102 (*s)->drop_references ();
4111 Session::remove_last_capture ()
4113 list<boost::shared_ptr<Source> > srcs;
4115 boost::shared_ptr<RouteList> rl = routes.reader ();
4116 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4117 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4122 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
4125 srcs.insert (srcs.end(), l.begin(), l.end());
4130 destroy_sources (srcs);
4132 save_state (_current_snapshot_name);
4137 /* Source Management */
4140 Session::add_source (boost::shared_ptr<Source> source)
4142 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
4143 pair<SourceMap::iterator,bool> result;
4145 entry.first = source->id();
4146 entry.second = source;
4149 Glib::Threads::Mutex::Lock lm (source_lock);
4150 result = sources.insert (entry);
4153 if (result.second) {
4155 /* yay, new source */
4157 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
4160 if (!fs->within_session()) {
4161 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
4167 boost::shared_ptr<AudioFileSource> afs;
4169 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
4170 if (Config->get_auto_analyse_audio()) {
4171 Analyser::queue_source_for_analysis (source, false);
4175 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
4180 Session::remove_source (boost::weak_ptr<Source> src)
4182 if (_state_of_the_state & Deletion) {
4186 SourceMap::iterator i;
4187 boost::shared_ptr<Source> source = src.lock();
4194 Glib::Threads::Mutex::Lock lm (source_lock);
4196 if ((i = sources.find (source->id())) != sources.end()) {
4201 if (!(_state_of_the_state & StateOfTheState (InCleanup|Loading))) {
4203 /* save state so we don't end up with a session file
4204 referring to non-existent sources.
4207 save_state (_current_snapshot_name);
4211 boost::shared_ptr<Source>
4212 Session::source_by_id (const PBD::ID& id)
4214 Glib::Threads::Mutex::Lock lm (source_lock);
4215 SourceMap::iterator i;
4216 boost::shared_ptr<Source> source;
4218 if ((i = sources.find (id)) != sources.end()) {
4225 boost::shared_ptr<AudioFileSource>
4226 Session::audio_source_by_path_and_channel (const string& path, uint16_t chn) const
4228 /* Restricted to audio files because only audio sources have channel
4232 Glib::Threads::Mutex::Lock lm (source_lock);
4234 for (SourceMap::const_iterator i = sources.begin(); i != sources.end(); ++i) {
4235 boost::shared_ptr<AudioFileSource> afs
4236 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
4238 if (afs && afs->path() == path && chn == afs->channel()) {
4243 return boost::shared_ptr<AudioFileSource>();
4246 boost::shared_ptr<MidiSource>
4247 Session::midi_source_by_path (const std::string& path) const
4249 /* Restricted to MIDI files because audio sources require a channel
4250 for unique identification, in addition to a path.
4253 Glib::Threads::Mutex::Lock lm (source_lock);
4255 for (SourceMap::const_iterator s = sources.begin(); s != sources.end(); ++s) {
4256 boost::shared_ptr<MidiSource> ms
4257 = boost::dynamic_pointer_cast<MidiSource>(s->second);
4258 boost::shared_ptr<FileSource> fs
4259 = boost::dynamic_pointer_cast<FileSource>(s->second);
4261 if (ms && fs && fs->path() == path) {
4266 return boost::shared_ptr<MidiSource>();
4270 Session::count_sources_by_origin (const string& path)
4273 Glib::Threads::Mutex::Lock lm (source_lock);
4275 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
4276 boost::shared_ptr<FileSource> fs
4277 = boost::dynamic_pointer_cast<FileSource>(i->second);
4279 if (fs && fs->origin() == path) {
4288 peak_file_helper (const string& peak_path, const string& file_path, const string& file_base, bool hash) {
4290 std::string checksum = Glib::Checksum::compute_checksum(Glib::Checksum::CHECKSUM_SHA1, file_path + G_DIR_SEPARATOR + file_base);
4291 return Glib::build_filename (peak_path, checksum + peakfile_suffix);
4293 return Glib::build_filename (peak_path, file_base + peakfile_suffix);
4298 Session::construct_peak_filepath (const string& filepath, const bool in_session, const bool old_peak_name) const
4300 string interchange_dir_string = string (interchange_dir_name) + G_DIR_SEPARATOR;
4302 if (Glib::path_is_absolute (filepath)) {
4304 /* rip the session dir from the audiofile source */
4306 string session_path;
4307 bool in_another_session = true;
4309 if (filepath.find (interchange_dir_string) != string::npos) {
4311 session_path = Glib::path_get_dirname (filepath); /* now ends in audiofiles */
4312 session_path = Glib::path_get_dirname (session_path); /* now ends in session name */
4313 session_path = Glib::path_get_dirname (session_path); /* now ends in interchange */
4314 session_path = Glib::path_get_dirname (session_path); /* now has session path */
4316 /* see if it is within our session */
4318 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4319 if (i->path == session_path) {
4320 in_another_session = false;
4325 in_another_session = false;
4329 if (in_another_session) {
4330 SessionDirectory sd (session_path);
4331 return peak_file_helper (sd.peak_path(), "", Glib::path_get_basename (filepath), !old_peak_name);
4335 /* 1) if file belongs to this session
4336 * it may be a relative path (interchange/...)
4337 * or just basename (session_state, remove source)
4338 * -> just use the basename
4340 std::string filename = Glib::path_get_basename (filepath);
4343 /* 2) if the file is outside our session dir:
4344 * (imported but not copied) add the path for check-summming */
4346 path = Glib::path_get_dirname (filepath);
4349 return peak_file_helper (_session_dir->peak_path(), path, Glib::path_get_basename (filepath), !old_peak_name);
4353 Session::new_audio_source_path_for_embedded (const std::string& path)
4357 * we know that the filename is already unique because it exists
4358 * out in the filesystem.
4360 * However, when we bring it into the session, we could get a
4363 * Eg. two embedded files:
4368 * When merged into session, these collide.
4370 * There will not be a conflict with in-memory sources
4371 * because when the source was created we already picked
4372 * a unique name for it.
4374 * This collision is not likely to be common, but we have to guard
4375 * against it. So, if there is a collision, take the md5 hash of the
4376 * the path, and use that as the filename instead.
4379 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4380 string base = Glib::path_get_basename (path);
4381 string newpath = Glib::build_filename (sdir.sound_path(), base);
4383 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4387 md5.digestString (path.c_str());
4388 md5.writeToString ();
4389 base = md5.digestChars;
4391 string ext = get_suffix (path);
4398 newpath = Glib::build_filename (sdir.sound_path(), base);
4400 /* if this collides, we're screwed */
4402 if (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)) {
4403 error << string_compose (_("Merging embedded file %1: name collision AND md5 hash collision!"), path) << endmsg;
4412 /** Return true if there are no audio file sources that use @param name as
4413 * the filename component of their path.
4415 * Return false otherwise.
4417 * This method MUST ONLY be used to check in-session, mono files since it
4418 * hard-codes the channel of the audio file source we are looking for as zero.
4420 * If/when Ardour supports native files in non-mono formats, the logic here
4421 * will need to be revisited.
4424 Session::audio_source_name_is_unique (const string& name)
4426 std::vector<string> sdirs = source_search_path (DataType::AUDIO);
4427 vector<space_and_path>::iterator i;
4428 uint32_t existing = 0;
4430 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4432 /* note that we search *without* the extension so that
4433 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
4434 in the event that this new name is required for
4435 a file format change.
4438 const string spath = *i;
4440 if (matching_unsuffixed_filename_exists_in (spath, name)) {
4445 /* it is possible that we have the path already
4446 * assigned to a source that has not yet been written
4447 * (ie. the write source for a diskstream). we have to
4448 * check this in order to make sure that our candidate
4449 * path isn't used again, because that can lead to
4450 * two Sources point to the same file with different
4451 * notions of their removability.
4455 string possible_path = Glib::build_filename (spath, name);
4457 if (audio_source_by_path_and_channel (possible_path, 0)) {
4463 return (existing == 0);
4467 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)
4470 const string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
4472 if (Profile->get_trx() && destructive) {
4474 sstr << setfill ('0') << setw (4) << cnt;
4475 sstr << legalized_base;
4477 sstr << legalized_base;
4479 if (take_required || related_exists) {
4491 } else if (nchan > 2) {
4496 /* XXX what? more than 26 channels! */
4507 /** Return a unique name based on \a base for a new internal audio source */
4509 Session::new_audio_source_path (const string& base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required)
4512 string possible_name;
4513 const uint32_t limit = 9999; // arbitrary limit on number of files with the same basic name
4515 bool some_related_source_name_exists = false;
4517 legalized = legalize_for_path (base);
4519 // Find a "version" of the base name that doesn't exist in any of the possible directories.
4521 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
4523 possible_name = format_audio_source_name (legalized, nchan, chan, destructive, take_required, cnt, some_related_source_name_exists);
4525 if (audio_source_name_is_unique (possible_name)) {
4529 some_related_source_name_exists = true;
4532 error << string_compose(
4533 _("There are already %1 recordings for %2, which I consider too many."),
4534 limit, base) << endmsg;
4536 throw failed_constructor();
4540 /* We've established that the new name does not exist in any session
4541 * directory, so now find out which one we should use for this new
4545 SessionDirectory sdir (get_best_session_directory_for_new_audio());
4547 std::string s = Glib::build_filename (sdir.sound_path(), possible_name);
4552 /** Return a unique name based on `base` for a new internal MIDI source */
4554 Session::new_midi_source_path (const string& base)
4557 char buf[PATH_MAX+1];
4558 const uint32_t limit = 10000;
4560 string possible_path;
4561 string possible_name;
4564 legalized = legalize_for_path (base);
4566 // Find a "version" of the file name that doesn't exist in any of the possible directories.
4567 std::vector<string> sdirs = source_search_path(DataType::MIDI);
4569 /* - the main session folder is the first in the vector.
4570 * - after checking all locations for file-name uniqueness,
4571 * we keep the one from the last iteration as new file name
4572 * - midi files are small and should just be kept in the main session-folder
4574 * -> reverse the array, check main session folder last and use that as location
4577 std::reverse(sdirs.begin(), sdirs.end());
4579 for (cnt = 1; cnt <= limit; ++cnt) {
4581 vector<space_and_path>::iterator i;
4582 uint32_t existing = 0;
4584 for (vector<string>::const_iterator i = sdirs.begin(); i != sdirs.end(); ++i) {
4586 snprintf (buf, sizeof(buf), "%s-%u.mid", legalized.c_str(), cnt);
4587 possible_name = buf;
4589 possible_path = Glib::build_filename (*i, possible_name);
4591 if (Glib::file_test (possible_path, Glib::FILE_TEST_EXISTS)) {
4595 if (midi_source_by_path (possible_path)) {
4600 if (existing == 0) {
4605 error << string_compose(
4606 _("There are already %1 recordings for %2, which I consider too many."),
4607 limit, base) << endmsg;
4613 /* No need to "find best location" for software/app-based RAID, because
4614 MIDI is so small that we always put it in the same place.
4617 return possible_path;
4621 /** Create a new within-session audio source */
4622 boost::shared_ptr<AudioFileSource>
4623 Session::create_audio_source_for_session (size_t n_chans, string const & base, uint32_t chan, bool destructive)
4625 const string path = new_audio_source_path (base, n_chans, chan, destructive, true);
4627 if (!path.empty()) {
4628 return boost::dynamic_pointer_cast<AudioFileSource> (
4629 SourceFactory::createWritable (DataType::AUDIO, *this, path, destructive, frame_rate(), true, true));
4631 throw failed_constructor ();
4635 /** Create a new within-session MIDI source */
4636 boost::shared_ptr<MidiSource>
4637 Session::create_midi_source_for_session (string const & basic_name)
4639 const string path = new_midi_source_path (basic_name);
4641 if (!path.empty()) {
4642 return boost::dynamic_pointer_cast<SMFSource> (
4643 SourceFactory::createWritable (
4644 DataType::MIDI, *this, path, false, frame_rate()));
4646 throw failed_constructor ();
4650 /** Create a new within-session MIDI source */
4651 boost::shared_ptr<MidiSource>
4652 Session::create_midi_source_by_stealing_name (boost::shared_ptr<Track> track)
4654 /* the caller passes in the track the source will be used in,
4655 so that we can keep the numbering sane.
4657 Rationale: a track with the name "Foo" that has had N
4658 captures carried out so far will ALREADY have a write source
4659 named "Foo-N+1.mid" waiting to be used for the next capture.
4661 If we call new_midi_source_name() we will get "Foo-N+2". But
4662 there is no region corresponding to "Foo-N+1", so when
4663 "Foo-N+2" appears in the track, the gap presents the user
4664 with odd behaviour - why did it skip past Foo-N+1?
4666 We could explain this to the user in some odd way, but
4667 instead we rename "Foo-N+1.mid" as "Foo-N+2.mid", and then
4670 If that attempted rename fails, we get "Foo-N+2.mid" anyway.
4673 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (track);
4675 std::string name = track->steal_write_source_name ();
4678 return boost::shared_ptr<MidiSource>();
4681 /* MIDI files are small, just put them in the first location of the
4682 session source search path.
4685 const string path = Glib::build_filename (source_search_path (DataType::MIDI).front(), name);
4687 return boost::dynamic_pointer_cast<SMFSource> (
4688 SourceFactory::createWritable (
4689 DataType::MIDI, *this, path, false, frame_rate()));
4694 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
4696 if (playlist->hidden()) {
4700 playlists->add (playlist);
4703 playlist->release();
4710 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
4712 if (_state_of_the_state & Deletion) {
4716 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
4722 playlists->remove (playlist);
4728 Session::set_audition (boost::shared_ptr<Region> r)
4730 pending_audition_region = r;
4731 add_post_transport_work (PostTransportAudition);
4732 _butler->schedule_transport_work ();
4736 Session::audition_playlist ()
4738 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
4739 ev->region.reset ();
4744 Session::non_realtime_set_audition ()
4746 assert (pending_audition_region);
4747 auditioner->audition_region (pending_audition_region);
4748 pending_audition_region.reset ();
4749 AuditionActive (true); /* EMIT SIGNAL */
4753 Session::audition_region (boost::shared_ptr<Region> r)
4755 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
4761 Session::cancel_audition ()
4766 if (auditioner->auditioning()) {
4767 auditioner->cancel_audition ();
4768 AuditionActive (false); /* EMIT SIGNAL */
4773 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
4775 if (a->is_monitor()) {
4778 if (b->is_monitor()) {
4781 return a->order_key () < b->order_key ();
4785 Session::is_auditioning () const
4787 /* can be called before we have an auditioner object */
4789 return auditioner->auditioning();
4796 Session::graph_reordered ()
4798 /* don't do this stuff if we are setting up connections
4799 from a set_state() call or creating new tracks. Ditto for deletion.
4802 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress || _reconnecting_routes_in_progress || _route_deletion_in_progress) {
4806 /* every track/bus asked for this to be handled but it was deferred because
4807 we were connecting. do it now.
4810 request_input_change_handling ();
4814 /* force all diskstreams to update their capture offset values to
4815 reflect any changes in latencies within the graph.
4818 boost::shared_ptr<RouteList> rl = routes.reader ();
4819 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4820 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4822 tr->set_capture_offset ();
4827 /** @return Number of frames that there is disk space available to write,
4830 boost::optional<framecnt_t>
4831 Session::available_capture_duration ()
4833 Glib::Threads::Mutex::Lock lm (space_lock);
4835 if (_total_free_4k_blocks_uncertain) {
4836 return boost::optional<framecnt_t> ();
4839 float sample_bytes_on_disk = 4.0; // keep gcc happy
4841 switch (config.get_native_file_data_format()) {
4843 sample_bytes_on_disk = 4.0;
4847 sample_bytes_on_disk = 3.0;
4851 sample_bytes_on_disk = 2.0;
4855 /* impossible, but keep some gcc versions happy */
4856 fatal << string_compose (_("programming error: %1"),
4857 X_("illegal native file data format"))
4859 abort(); /*NOTREACHED*/
4862 double scale = 4096.0 / sample_bytes_on_disk;
4864 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
4865 return max_framecnt;
4868 return (framecnt_t) floor (_total_free_4k_blocks * scale);
4872 Session::add_bundle (boost::shared_ptr<Bundle> bundle, bool emit_signal)
4875 RCUWriter<BundleList> writer (_bundles);
4876 boost::shared_ptr<BundleList> b = writer.get_copy ();
4877 b->push_back (bundle);
4881 BundleAddedOrRemoved (); /* EMIT SIGNAL */
4888 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
4890 bool removed = false;
4893 RCUWriter<BundleList> writer (_bundles);
4894 boost::shared_ptr<BundleList> b = writer.get_copy ();
4895 BundleList::iterator i = find (b->begin(), b->end(), bundle);
4897 if (i != b->end()) {
4904 BundleAddedOrRemoved (); /* EMIT SIGNAL */
4910 boost::shared_ptr<Bundle>
4911 Session::bundle_by_name (string name) const
4913 boost::shared_ptr<BundleList> b = _bundles.reader ();
4915 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
4916 if ((*i)->name() == name) {
4921 return boost::shared_ptr<Bundle> ();
4925 Session::tempo_map_changed (const PropertyChange&)
4929 playlists->update_after_tempo_map_change ();
4931 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
4937 Session::update_locations_after_tempo_map_change (const Locations::LocationList& loc)
4939 for (Locations::LocationList::const_iterator i = loc.begin(); i != loc.end(); ++i) {
4940 (*i)->recompute_frames_from_bbt ();
4944 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
4945 * the given count with the current block size.
4948 Session::ensure_buffers (ChanCount howmany)
4950 BufferManager::ensure_buffers (howmany, bounce_processing() ? bounce_chunk_size : 0);
4954 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
4956 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
4957 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
4962 Session::next_insert_id ()
4964 /* this doesn't really loop forever. just think about it */
4967 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
4968 if (!insert_bitset[n]) {
4969 insert_bitset[n] = true;
4975 /* none available, so resize and try again */
4977 insert_bitset.resize (insert_bitset.size() + 16, false);
4982 Session::next_send_id ()
4984 /* this doesn't really loop forever. just think about it */
4987 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
4988 if (!send_bitset[n]) {
4989 send_bitset[n] = true;
4995 /* none available, so resize and try again */
4997 send_bitset.resize (send_bitset.size() + 16, false);
5002 Session::next_aux_send_id ()
5004 /* this doesn't really loop forever. just think about it */
5007 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < aux_send_bitset.size(); ++n) {
5008 if (!aux_send_bitset[n]) {
5009 aux_send_bitset[n] = true;
5015 /* none available, so resize and try again */
5017 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
5022 Session::next_return_id ()
5024 /* this doesn't really loop forever. just think about it */
5027 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < return_bitset.size(); ++n) {
5028 if (!return_bitset[n]) {
5029 return_bitset[n] = true;
5035 /* none available, so resize and try again */
5037 return_bitset.resize (return_bitset.size() + 16, false);
5042 Session::mark_send_id (uint32_t id)
5044 if (id >= send_bitset.size()) {
5045 send_bitset.resize (id+16, false);
5047 if (send_bitset[id]) {
5048 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
5050 send_bitset[id] = true;
5054 Session::mark_aux_send_id (uint32_t id)
5056 if (id >= aux_send_bitset.size()) {
5057 aux_send_bitset.resize (id+16, false);
5059 if (aux_send_bitset[id]) {
5060 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
5062 aux_send_bitset[id] = true;
5066 Session::mark_return_id (uint32_t id)
5068 if (id >= return_bitset.size()) {
5069 return_bitset.resize (id+16, false);
5071 if (return_bitset[id]) {
5072 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
5074 return_bitset[id] = true;
5078 Session::mark_insert_id (uint32_t id)
5080 if (id >= insert_bitset.size()) {
5081 insert_bitset.resize (id+16, false);
5083 if (insert_bitset[id]) {
5084 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
5086 insert_bitset[id] = true;
5090 Session::unmark_send_id (uint32_t id)
5092 if (id < send_bitset.size()) {
5093 send_bitset[id] = false;
5098 Session::unmark_aux_send_id (uint32_t id)
5100 if (id < aux_send_bitset.size()) {
5101 aux_send_bitset[id] = false;
5106 Session::unmark_return_id (uint32_t id)
5108 if (id < return_bitset.size()) {
5109 return_bitset[id] = false;
5114 Session::unmark_insert_id (uint32_t id)
5116 if (id < insert_bitset.size()) {
5117 insert_bitset[id] = false;
5122 Session::reset_native_file_format ()
5124 boost::shared_ptr<RouteList> rl = routes.reader ();
5126 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5127 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5129 /* don't save state as we do this, there's no point
5131 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
5132 tr->reset_write_sources (false);
5133 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
5139 Session::route_name_unique (string n) const
5141 boost::shared_ptr<RouteList> r = routes.reader ();
5143 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5144 if ((*i)->name() == n) {
5153 Session::route_name_internal (string n) const
5155 if (auditioner && auditioner->name() == n) {
5159 if (_click_io && _click_io->name() == n) {
5167 Session::freeze_all (InterThreadInfo& itt)
5169 boost::shared_ptr<RouteList> r = routes.reader ();
5171 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5173 boost::shared_ptr<Track> t;
5175 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
5176 /* XXX this is wrong because itt.progress will keep returning to zero at the start
5186 boost::shared_ptr<Region>
5187 Session::write_one_track (Track& track, framepos_t start, framepos_t end,
5188 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
5189 InterThreadInfo& itt,
5190 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
5191 bool for_export, bool for_freeze)
5193 boost::shared_ptr<Region> result;
5194 boost::shared_ptr<Playlist> playlist;
5195 boost::shared_ptr<Source> source;
5196 ChanCount diskstream_channels (track.n_channels());
5197 framepos_t position;
5198 framecnt_t this_chunk;
5200 framepos_t latency_skip;
5202 framepos_t len = end - start;
5203 bool need_block_size_reset = false;
5204 ChanCount const max_proc = track.max_processor_streams ();
5205 string legal_playlist_name;
5206 string possible_path;
5209 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
5210 end, start) << endmsg;
5214 diskstream_channels = track.bounce_get_output_streams (diskstream_channels, endpoint,
5215 include_endpoint, for_export, for_freeze);
5217 if (diskstream_channels.n(track.data_type()) < 1) {
5218 error << _("Cannot write a range with no data.") << endmsg;
5222 // block all process callback handling
5224 block_processing ();
5227 // synchronize with AudioEngine::process_callback()
5228 // make sure processing is not currently running
5229 // and processing_blocked() is honored before
5230 // acquiring thread buffers
5231 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
5234 _bounce_processing_active = true;
5236 /* call tree *MUST* hold route_lock */
5238 if ((playlist = track.playlist()) == 0) {
5242 legal_playlist_name = legalize_for_path (playlist->name());
5244 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n(track.data_type()); ++chan_n) {
5246 string base_name = string_compose ("%1-%2-bounce", playlist->name(), chan_n);
5247 string path = ((track.data_type() == DataType::AUDIO)
5248 ? new_audio_source_path (legal_playlist_name, diskstream_channels.n_audio(), chan_n, false, true)
5249 : new_midi_source_path (legal_playlist_name));
5256 source = SourceFactory::createWritable (track.data_type(), *this, path, false, frame_rate());
5259 catch (failed_constructor& err) {
5260 error << string_compose (_("cannot create new file \"%1\" for %2"), path, track.name()) << endmsg;
5264 srcs.push_back (source);
5267 /* tell redirects that care that we are about to use a much larger
5268 * blocksize. this will flush all plugins too, so that they are ready
5269 * to be used for this process.
5272 need_block_size_reset = true;
5273 track.set_block_size (bounce_chunk_size);
5274 _engine.main_thread()->get_buffers ();
5278 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5280 /* create a set of reasonably-sized buffers */
5281 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
5282 buffers.ensure_buffers(*t, max_proc.get(*t), bounce_chunk_size);
5284 buffers.set_count (max_proc);
5286 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5287 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5288 boost::shared_ptr<MidiSource> ms;
5290 afs->prepare_for_peakfile_writes ();
5291 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5292 Source::Lock lock(ms->mutex());
5293 ms->mark_streaming_write_started(lock);
5297 while (to_do && !itt.cancel) {
5299 this_chunk = min (to_do, bounce_chunk_size);
5301 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze)) {
5305 start += this_chunk;
5306 to_do -= this_chunk;
5307 itt.progress = (float) (1.0 - ((double) to_do / len));
5309 if (latency_skip >= bounce_chunk_size) {
5310 latency_skip -= bounce_chunk_size;
5314 const framecnt_t current_chunk = this_chunk - latency_skip;
5317 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5318 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5319 boost::shared_ptr<MidiSource> ms;
5322 if (afs->write (buffers.get_audio(n).data(latency_skip), current_chunk) != current_chunk) {
5325 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5326 Source::Lock lock(ms->mutex());
5328 const MidiBuffer& buf = buffers.get_midi(0);
5329 for (MidiBuffer::const_iterator i = buf.begin(); i != buf.end(); ++i) {
5330 Evoral::Event<framepos_t> ev = *i;
5331 ev.set_time(ev.time() - position);
5332 ms->append_event_frames(lock, ev, ms->timeline_position());
5339 /* post-roll, pick up delayed processor output */
5340 latency_skip = track.bounce_get_latency (endpoint, include_endpoint, for_export, for_freeze);
5342 while (latency_skip && !itt.cancel) {
5343 this_chunk = min (latency_skip, bounce_chunk_size);
5344 latency_skip -= this_chunk;
5346 buffers.silence (this_chunk, 0);
5347 track.bounce_process (buffers, start, this_chunk, endpoint, include_endpoint, for_export, for_freeze);
5350 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
5351 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5354 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
5366 xnow = localtime (&now);
5368 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
5369 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5370 boost::shared_ptr<MidiSource> ms;
5373 afs->update_header (position, *xnow, now);
5374 afs->flush_header ();
5375 } else if ((ms = boost::dynamic_pointer_cast<MidiSource>(*src))) {
5376 Source::Lock lock(ms->mutex());
5377 ms->mark_streaming_write_completed(lock);
5381 /* construct a region to represent the bounced material */
5385 plist.add (Properties::start, 0);
5386 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
5387 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
5389 result = RegionFactory::create (srcs, plist);
5395 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5396 (*src)->mark_for_remove ();
5397 (*src)->drop_references ();
5401 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
5402 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
5405 afs->done_with_peakfile_writes ();
5409 _bounce_processing_active = false;
5411 if (need_block_size_reset) {
5412 _engine.main_thread()->drop_buffers ();
5413 track.set_block_size (get_block_size());
5416 unblock_processing ();
5422 Session::gain_automation_buffer() const
5424 return ProcessThread::gain_automation_buffer ();
5428 Session::trim_automation_buffer() const
5430 return ProcessThread::trim_automation_buffer ();
5434 Session::send_gain_automation_buffer() const
5436 return ProcessThread::send_gain_automation_buffer ();
5440 Session::pan_automation_buffer() const
5442 return ProcessThread::pan_automation_buffer ();
5446 Session::get_silent_buffers (ChanCount count)
5448 return ProcessThread::get_silent_buffers (count);
5452 Session::get_scratch_buffers (ChanCount count, bool silence)
5454 return ProcessThread::get_scratch_buffers (count, silence);
5458 Session::get_route_buffers (ChanCount count, bool silence)
5460 return ProcessThread::get_route_buffers (count, silence);
5465 Session::get_mix_buffers (ChanCount count)
5467 return ProcessThread::get_mix_buffers (count);
5471 Session::ntracks () const
5474 boost::shared_ptr<RouteList> r = routes.reader ();
5476 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5477 if (boost::dynamic_pointer_cast<Track> (*i)) {
5486 Session::nbusses () const
5489 boost::shared_ptr<RouteList> r = routes.reader ();
5491 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
5492 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
5501 Session::add_automation_list(AutomationList *al)
5503 automation_lists[al->id()] = al;
5506 /** @return true if there is at least one record-enabled track, otherwise false */
5508 Session::have_rec_enabled_track () const
5510 return g_atomic_int_get (const_cast<gint*>(&_have_rec_enabled_track)) == 1;
5514 Session::have_rec_disabled_track () const
5516 return g_atomic_int_get (const_cast<gint*>(&_have_rec_disabled_track)) == 1;
5519 /** Update the state of our rec-enabled tracks flag */
5521 Session::update_route_record_state ()
5523 boost::shared_ptr<RouteList> rl = routes.reader ();
5524 RouteList::iterator i = rl->begin();
5525 while (i != rl->end ()) {
5527 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5528 if (tr && tr->record_enabled ()) {
5535 int const old = g_atomic_int_get (&_have_rec_enabled_track);
5537 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
5539 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
5540 RecordStateChanged (); /* EMIT SIGNAL */
5543 for (i = rl->begin(); i != rl->end (); ++i) {
5544 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5545 if (tr && !tr->record_enabled ()) {
5550 g_atomic_int_set (&_have_rec_disabled_track, i != rl->end () ? 1 : 0);
5552 bool record_arm_state_changed = (old != g_atomic_int_get (&_have_rec_enabled_track) );
5554 if (record_status() == Recording && record_arm_state_changed ) {
5555 RecordArmStateChanged ();
5561 Session::listen_position_changed ()
5563 boost::shared_ptr<RouteList> r = routes.reader ();
5565 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5566 (*i)->listen_position_changed ();
5571 Session::solo_control_mode_changed ()
5573 /* cancel all solo or all listen when solo control mode changes */
5576 set_solo (get_routes(), false);
5577 } else if (listening()) {
5578 set_listen (get_routes(), false);
5582 /** Called when a property of one of our route groups changes */
5584 Session::route_group_property_changed (RouteGroup* rg)
5586 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
5589 /** Called when a route is added to one of our route groups */
5591 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
5593 RouteAddedToRouteGroup (rg, r);
5596 /** Called when a route is removed from one of our route groups */
5598 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
5600 update_route_record_state ();
5601 RouteRemovedFromRouteGroup (rg, r); /* EMIT SIGNAL */
5604 boost::shared_ptr<RouteList>
5605 Session::get_tracks () const
5607 boost::shared_ptr<RouteList> rl = routes.reader ();
5608 boost::shared_ptr<RouteList> tl (new RouteList);
5610 for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
5611 if (boost::dynamic_pointer_cast<Track> (*r)) {
5612 if (!(*r)->is_auditioner()) {
5620 boost::shared_ptr<RouteList>
5621 Session::get_routes_with_regions_at (framepos_t const p) const
5623 boost::shared_ptr<RouteList> r = routes.reader ();
5624 boost::shared_ptr<RouteList> rl (new RouteList);
5626 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5627 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5632 boost::shared_ptr<Playlist> pl = tr->playlist ();
5637 if (pl->has_region_at (p)) {
5646 Session::goto_end ()
5648 if (_session_range_location) {
5649 request_locate (_session_range_location->end(), false);
5651 request_locate (0, false);
5656 Session::goto_start ()
5658 if (_session_range_location) {
5659 request_locate (_session_range_location->start(), false);
5661 request_locate (0, false);
5666 Session::current_start_frame () const
5668 return _session_range_location ? _session_range_location->start() : 0;
5672 Session::current_end_frame () const
5674 return _session_range_location ? _session_range_location->end() : 0;
5678 Session::set_session_range_location (framepos_t start, framepos_t end)
5680 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange);
5681 _locations->add (_session_range_location);
5685 Session::step_edit_status_change (bool yn)
5691 send = (_step_editors == 0);
5696 send = (_step_editors == 1);
5699 if (_step_editors > 0) {
5705 StepEditStatusChange (val);
5711 Session::start_time_changed (framepos_t old)
5713 /* Update the auto loop range to match the session range
5714 (unless the auto loop range has been changed by the user)
5717 Location* s = _locations->session_range_location ();
5722 Location* l = _locations->auto_loop_location ();
5724 if (l && l->start() == old) {
5725 l->set_start (s->start(), true);
5730 Session::end_time_changed (framepos_t old)
5732 /* Update the auto loop range to match the session range
5733 (unless the auto loop range has been changed by the user)
5736 Location* s = _locations->session_range_location ();
5741 Location* l = _locations->auto_loop_location ();
5743 if (l && l->end() == old) {
5744 l->set_end (s->end(), true);
5748 std::vector<std::string>
5749 Session::source_search_path (DataType type) const
5753 if (session_dirs.size() == 1) {
5755 case DataType::AUDIO:
5756 sp.push_back (_session_dir->sound_path());
5758 case DataType::MIDI:
5759 sp.push_back (_session_dir->midi_path());
5763 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
5764 SessionDirectory sdir (i->path);
5766 case DataType::AUDIO:
5767 sp.push_back (sdir.sound_path());
5769 case DataType::MIDI:
5770 sp.push_back (sdir.midi_path());
5776 if (type == DataType::AUDIO) {
5777 const string sound_path_2X = _session_dir->sound_path_2X();
5778 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
5779 if (find (sp.begin(), sp.end(), sound_path_2X) == sp.end()) {
5780 sp.push_back (sound_path_2X);
5785 // now check the explicit (possibly user-specified) search path
5788 case DataType::AUDIO:
5789 sp += Searchpath(config.get_audio_search_path ());
5791 case DataType::MIDI:
5792 sp += Searchpath(config.get_midi_search_path ());
5800 Session::ensure_search_path_includes (const string& path, DataType type)
5809 case DataType::AUDIO:
5810 sp += Searchpath(config.get_audio_search_path ());
5812 case DataType::MIDI:
5813 sp += Searchpath (config.get_midi_search_path ());
5817 for (vector<std::string>::iterator i = sp.begin(); i != sp.end(); ++i) {
5818 /* No need to add this new directory if it has the same inode as
5819 an existing one; checking inode rather than name prevents duplicated
5820 directories when we are using symlinks.
5822 On Windows, I think we could just do if (*i == path) here.
5824 if (PBD::equivalent_paths (*i, path)) {
5832 case DataType::AUDIO:
5833 config.set_audio_search_path (sp.to_string());
5835 case DataType::MIDI:
5836 config.set_midi_search_path (sp.to_string());
5842 Session::remove_dir_from_search_path (const string& dir, DataType type)
5847 case DataType::AUDIO:
5848 sp = Searchpath(config.get_audio_search_path ());
5850 case DataType::MIDI:
5851 sp = Searchpath (config.get_midi_search_path ());
5858 case DataType::AUDIO:
5859 config.set_audio_search_path (sp.to_string());
5861 case DataType::MIDI:
5862 config.set_midi_search_path (sp.to_string());
5868 boost::shared_ptr<Speakers>
5869 Session::get_speakers()
5875 Session::unknown_processors () const
5879 boost::shared_ptr<RouteList> r = routes.reader ();
5880 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5881 list<string> t = (*i)->unknown_processors ();
5882 copy (t.begin(), t.end(), back_inserter (p));
5892 Session::update_latency (bool playback)
5894 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
5896 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress) {
5900 boost::shared_ptr<RouteList> r = routes.reader ();
5901 framecnt_t max_latency = 0;
5904 /* reverse the list so that we work backwards from the last route to run to the first */
5905 RouteList* rl = routes.reader().get();
5906 r.reset (new RouteList (*rl));
5907 reverse (r->begin(), r->end());
5910 /* compute actual latency values for the given direction and store them all in per-port
5911 structures. this will also publish the same values (to JACK) so that computation of latency
5912 for routes can consistently use public latency values.
5915 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5916 max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
5919 /* because we latency compensate playback, our published playback latencies should
5920 be the same for all output ports - all material played back by ardour has
5921 the same latency, whether its caused by plugins or by latency compensation. since
5922 these may differ from the values computed above, reset all playback port latencies
5926 DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
5928 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5929 (*i)->set_public_port_latencies (max_latency, playback);
5934 post_playback_latency ();
5938 post_capture_latency ();
5941 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
5945 Session::post_playback_latency ()
5947 set_worst_playback_latency ();
5949 boost::shared_ptr<RouteList> r = routes.reader ();
5951 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5952 if (!(*i)->is_auditioner() && ((*i)->active())) {
5953 _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
5957 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
5958 (*i)->set_latency_compensation (_worst_track_latency);
5963 Session::post_capture_latency ()
5965 set_worst_capture_latency ();
5967 /* reflect any changes in capture latencies into capture offsets
5970 boost::shared_ptr<RouteList> rl = routes.reader();
5971 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
5972 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
5974 tr->set_capture_offset ();
5980 Session::initialize_latencies ()
5983 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
5984 update_latency (false);
5985 update_latency (true);
5988 set_worst_io_latencies ();
5992 Session::set_worst_io_latencies ()
5994 set_worst_playback_latency ();
5995 set_worst_capture_latency ();
5999 Session::set_worst_playback_latency ()
6001 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6005 _worst_output_latency = 0;
6007 if (!_engine.connected()) {
6011 boost::shared_ptr<RouteList> r = routes.reader ();
6013 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6014 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
6017 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
6021 Session::set_worst_capture_latency ()
6023 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6027 _worst_input_latency = 0;
6029 if (!_engine.connected()) {
6033 boost::shared_ptr<RouteList> r = routes.reader ();
6035 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6036 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
6039 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
6043 Session::update_latency_compensation (bool force_whole_graph)
6045 bool some_track_latency_changed = false;
6047 if (_state_of_the_state & (InitialConnecting|Deletion)) {
6051 DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
6053 _worst_track_latency = 0;
6055 boost::shared_ptr<RouteList> r = routes.reader ();
6057 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6058 if (!(*i)->is_auditioner() && ((*i)->active())) {
6060 if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
6061 some_track_latency_changed = true;
6063 _worst_track_latency = max (tl, _worst_track_latency);
6067 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
6068 (some_track_latency_changed ? "yes" : "no")));
6070 DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
6072 if (some_track_latency_changed || force_whole_graph) {
6073 _engine.update_latencies ();
6077 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
6078 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
6082 tr->set_capture_offset ();
6087 Session::session_name_is_legal (const string& path)
6089 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
6091 for (int i = 0; illegal_chars[i]; ++i) {
6092 if (path.find (illegal_chars[i]) != string::npos) {
6093 return illegal_chars[i];
6101 Session::next_control_id () const
6105 /* the monitor bus remote ID is in a different
6106 * "namespace" than regular routes. its existence doesn't
6107 * affect normal (low) numbered routes.
6114 /* the same about masterbus in Waves Tracks */
6116 if (Profile->get_trx() && _master_out) {
6120 return nroutes() - subtract;
6124 Session::notify_remote_id_change ()
6126 if (deletion_in_progress()) {
6130 switch (Config->get_remote_model()) {
6132 Route::RemoteControlIDChange (); /* EMIT SIGNAL */
6138 #ifdef USE_TRACKS_CODE_FEATURES
6139 /* Waves Tracks: for Waves Tracks session it's required to reconnect their IOs
6140 * if track order has been changed by user
6142 reconnect_existing_routes(true, true);
6148 Session::sync_order_keys ()
6150 if (deletion_in_progress()) {
6154 /* tell everyone that something has happened to the sort keys
6155 and let them sync up with the change(s)
6156 this will give objects that manage the sort order keys the
6157 opportunity to keep them in sync if they wish to.
6160 DEBUG_TRACE (DEBUG::OrderKeys, "Sync Order Keys.\n");
6162 reassign_track_numbers();
6164 Route::SyncOrderKeys (); /* EMIT SIGNAL */
6166 DEBUG_TRACE (DEBUG::OrderKeys, "\tsync done\n");
6170 Session::operation_in_progress (GQuark op) const
6172 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
6175 boost::shared_ptr<Port>
6176 Session::ltc_input_port () const
6178 return _ltc_input->nth (0);
6181 boost::shared_ptr<Port>
6182 Session::ltc_output_port () const
6184 return _ltc_output->nth (0);
6188 Session::reconnect_ltc_input ()
6192 string src = Config->get_ltc_source_port();
6194 _ltc_input->disconnect (this);
6196 if (src != _("None") && !src.empty()) {
6197 _ltc_input->nth (0)->connect (src);
6200 if ( ARDOUR::Profile->get_trx () ) {
6201 // Tracks need this signal to update timecode_source_dropdown
6202 MtcOrLtcInputPortChanged (); //emit signal
6208 Session::reconnect_ltc_output ()
6212 string src = Config->get_ltc_output_port();
6214 _ltc_output->disconnect (this);
6216 if (src != _("None") && !src.empty()) {
6217 _ltc_output->nth (0)->connect (src);
6223 Session::set_range_selection (framepos_t start, framepos_t end)
6225 _range_selection = Evoral::Range<framepos_t> (start, end);
6226 #ifdef USE_TRACKS_CODE_FEATURES
6227 follow_playhead_priority ();
6232 Session::set_object_selection (framepos_t start, framepos_t end)
6234 _object_selection = Evoral::Range<framepos_t> (start, end);
6235 #ifdef USE_TRACKS_CODE_FEATURES
6236 follow_playhead_priority ();
6241 Session::clear_range_selection ()
6243 _range_selection = Evoral::Range<framepos_t> (-1,-1);
6244 #ifdef USE_TRACKS_CODE_FEATURES
6245 follow_playhead_priority ();
6250 Session::clear_object_selection ()
6252 _object_selection = Evoral::Range<framepos_t> (-1,-1);
6253 #ifdef USE_TRACKS_CODE_FEATURES
6254 follow_playhead_priority ();