2 Copyright (C) 1999-2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include <cstdio> /* sprintf(3) ... grrr */
33 #include <glibmm/threads.h>
34 #include <glibmm/miscutils.h>
35 #include <glibmm/fileutils.h>
37 #include <boost/algorithm/string/erase.hpp>
39 #include "pbd/error.h"
40 #include "pbd/boost_debug.h"
41 #include "pbd/pathscanner.h"
42 #include "pbd/stl_delete.h"
43 #include "pbd/basename.h"
44 #include "pbd/stacktrace.h"
45 #include "pbd/file_utils.h"
46 #include "pbd/convert.h"
47 #include "pbd/strsplit.h"
48 #include "pbd/unwind.h"
50 #include "ardour/amp.h"
51 #include "ardour/analyser.h"
52 #include "ardour/audio_buffer.h"
53 #include "ardour/audio_diskstream.h"
54 #include "ardour/audio_port.h"
55 #include "ardour/audio_track.h"
56 #include "ardour/audioengine.h"
57 #include "ardour/audiofilesource.h"
58 #include "ardour/auditioner.h"
59 #include "ardour/buffer_manager.h"
60 #include "ardour/buffer_set.h"
61 #include "ardour/bundle.h"
62 #include "ardour/butler.h"
63 #include "ardour/click.h"
64 #include "ardour/control_protocol_manager.h"
65 #include "ardour/data_type.h"
66 #include "ardour/debug.h"
67 #include "ardour/filename_extensions.h"
68 #include "ardour/graph.h"
69 #include "ardour/midi_track.h"
70 #include "ardour/midi_ui.h"
71 #include "ardour/operations.h"
72 #include "ardour/playlist.h"
73 #include "ardour/plugin.h"
74 #include "ardour/plugin_insert.h"
75 #include "ardour/process_thread.h"
76 #include "ardour/rc_configuration.h"
77 #include "ardour/recent_sessions.h"
78 #include "ardour/region.h"
79 #include "ardour/region_factory.h"
80 #include "ardour/route_graph.h"
81 #include "ardour/route_group.h"
82 #include "ardour/send.h"
83 #include "ardour/session.h"
84 #include "ardour/session_directory.h"
85 #include "ardour/session_playlists.h"
86 #include "ardour/smf_source.h"
87 #include "ardour/source_factory.h"
88 #include "ardour/utils.h"
90 #include "midi++/port.h"
91 #include "midi++/jack_midi_port.h"
92 #include "midi++/mmc.h"
93 #include "midi++/manager.h"
104 using namespace ARDOUR;
107 bool Session::_disable_all_loaded_plugins = false;
109 PBD::Signal1<void,std::string> Session::Dialog;
110 PBD::Signal0<int> Session::AskAboutPendingState;
111 PBD::Signal2<int, framecnt_t, framecnt_t> Session::AskAboutSampleRateMismatch;
112 PBD::Signal0<void> Session::SendFeedback;
113 PBD::Signal3<int,Session*,std::string,DataType> Session::MissingFile;
115 PBD::Signal1<void, framepos_t> Session::StartTimeChanged;
116 PBD::Signal1<void, framepos_t> Session::EndTimeChanged;
117 PBD::Signal2<void,std::string, std::string> Session::Exported;
118 PBD::Signal1<int,boost::shared_ptr<Playlist> > Session::AskAboutPlaylistDeletion;
119 PBD::Signal0<void> Session::Quit;
120 PBD::Signal0<void> Session::FeedbackDetected;
121 PBD::Signal0<void> Session::SuccessfulGraphSort;
123 static void clean_up_session_event (SessionEvent* ev) { delete ev; }
124 const SessionEvent::RTeventCallback Session::rt_cleanup (clean_up_session_event);
126 /** @param snapshot_name Snapshot name, without .ardour suffix */
127 Session::Session (AudioEngine &eng,
128 const string& fullpath,
129 const string& snapshot_name,
130 BusProfile* bus_profile,
133 , _target_transport_speed (0.0)
134 , _requested_return_frame (-1)
135 , _session_dir (new SessionDirectory(fullpath))
137 , _state_of_the_state (Clean)
138 , _butler (new Butler (*this))
139 , _post_transport_work (0)
140 , _send_timecode_update (false)
141 , _all_route_group (new RouteGroup (*this, "all"))
142 , routes (new RouteList)
143 , _total_free_4k_blocks (0)
144 , _total_free_4k_blocks_uncertain (false)
145 , _bundles (new BundleList)
146 , _bundle_xml_node (0)
149 , click_emphasis_data (0)
151 , _have_rec_enabled_track (false)
152 , _suspend_timecode_transmission (0)
154 _locations = new Locations (*this);
157 if (how_many_dsp_threads () > 1) {
158 /* For now, only create the graph if we are using >1 DSP threads, as
159 it is a bit slower than the old code with 1 thread.
161 _process_graph.reset (new Graph (*this));
164 playlists.reset (new SessionPlaylists);
166 _all_route_group->set_active (true, this);
168 interpolation.add_channel_to (0, 0);
170 if (!eng.connected()) {
171 throw failed_constructor();
174 n_physical_outputs = _engine.n_physical_outputs ();
175 n_physical_inputs = _engine.n_physical_inputs ();
177 first_stage_init (fullpath, snapshot_name);
179 _is_new = !Glib::file_test (_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR));
182 if (create (mix_template, bus_profile)) {
184 throw failed_constructor ();
188 if (second_stage_init ()) {
190 throw failed_constructor ();
193 store_recent_sessions(_name, _path);
195 bool was_dirty = dirty();
197 _state_of_the_state = StateOfTheState (_state_of_the_state & ~Dirty);
199 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, false));
200 config.ParameterChanged.connect_same_thread (*this, boost::bind (&Session::config_changed, this, _1, true));
203 DirtyChanged (); /* EMIT SIGNAL */
206 StartTimeChanged.connect_same_thread (*this, boost::bind (&Session::start_time_changed, this, _1));
207 EndTimeChanged.connect_same_thread (*this, boost::bind (&Session::end_time_changed, this, _1));
223 vector<void*> debug_pointers;
225 /* if we got to here, leaving pending capture state around
229 remove_pending_capture_state ();
231 _state_of_the_state = StateOfTheState (CannotSave|Deletion);
233 /* disconnect from any and all signals that we are connected to */
237 _engine.remove_session ();
239 /* deregister all ports - there will be no process or any other
240 * callbacks from the engine any more.
243 Port::PortDrop (); /* EMIT SIGNAL */
247 /* clear history so that no references to objects are held any more */
251 /* clear state tree so that no references to objects are held any more */
255 /* reset dynamic state version back to default */
257 Stateful::loading_state_version = 0;
259 _butler->drop_references ();
263 delete midi_control_ui;
264 delete _all_route_group;
266 if (click_data != default_click) {
267 delete [] click_data;
270 if (click_emphasis_data != default_click_emphasis) {
271 delete [] click_emphasis_data;
276 /* clear out any pending dead wood from RCU managed objects */
281 AudioDiskstream::free_working_buffers();
283 /* tell everyone who is still standing that we're about to die */
286 /* tell everyone to drop references and delete objects as we go */
288 DEBUG_TRACE (DEBUG::Destruction, "delete regions\n");
289 RegionFactory::delete_all_regions ();
291 DEBUG_TRACE (DEBUG::Destruction, "delete routes\n");
293 /* reset these three references to special routes before we do the usual route delete thing */
296 _master_out.reset ();
297 _monitor_out.reset ();
300 RCUWriter<RouteList> writer (routes);
301 boost::shared_ptr<RouteList> r = writer.get_copy ();
303 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
304 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for route %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
305 (*i)->drop_references ();
309 /* writer goes out of scope and updates master */
313 DEBUG_TRACE (DEBUG::Destruction, "delete sources\n");
314 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
315 DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for source %1 ; pre-ref = %2\n", i->second->name(), i->second.use_count()));
316 i->second->drop_references ();
321 DEBUG_TRACE (DEBUG::Destruction, "delete route groups\n");
322 for (list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
327 /* not strictly necessary, but doing it here allows the shared_ptr debugging to work */
332 DEBUG_TRACE (DEBUG::Destruction, "Session::destroy() done\n");
334 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
335 boost_debug_list_ptrs ();
340 Session::when_engine_running ()
342 string first_physical_output;
344 BootMessage (_("Set block size and sample rate"));
346 set_block_size (_engine.frames_per_cycle());
347 set_frame_rate (_engine.frame_rate());
349 BootMessage (_("Using configuration"));
351 boost::function<void (std::string)> ff (boost::bind (&Session::config_changed, this, _1, false));
352 boost::function<void (std::string)> ft (boost::bind (&Session::config_changed, this, _1, true));
354 Config->map_parameters (ff);
355 config.map_parameters (ft);
357 /* every time we reconnect, recompute worst case output latencies */
359 _engine.Running.connect_same_thread (*this, boost::bind (&Session::initialize_latencies, this));
361 if (synced_to_jack()) {
362 _engine.transport_stop ();
365 if (config.get_jack_time_master()) {
366 _engine.transport_locate (_transport_frame);
374 _ltc_input.reset (new IO (*this, _("LTC In"), IO::Input));
375 _ltc_output.reset (new IO (*this, _("LTC Out"), IO::Output));
377 if (state_tree && (child = find_named_node (*state_tree->root(), "LTC-In")) != 0) {
378 _ltc_input->set_state (*(child->children().front()), Stateful::loading_state_version);
381 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
382 _ltc_input->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
384 reconnect_ltc_input ();
387 if (state_tree && (child = find_named_node (*state_tree->root(), "LTC-Out")) != 0) {
388 _ltc_output->set_state (*(child->children().front()), Stateful::loading_state_version);
391 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
392 _ltc_output->ensure_io (ChanCount (DataType::AUDIO, 1), true, this);
394 reconnect_ltc_output ();
397 /* fix up names of LTC ports because we don't want the normal
398 * IO style of NAME/TYPE-{in,out}N
401 _ltc_input->nth (0)->set_name (_("LTC-in"));
402 _ltc_output->nth (0)->set_name (_("LTC-out"));
404 _click_io.reset (new ClickIO (*this, "click"));
405 _click_gain.reset (new Amp (*this));
406 _click_gain->activate ();
408 if (state_tree && (child = find_named_node (*state_tree->root(), "Click")) != 0) {
410 /* existing state for Click */
413 if (Stateful::loading_state_version < 3000) {
414 c = _click_io->set_state_2X (*child->children().front(), Stateful::loading_state_version, false);
416 const XMLNodeList& children (child->children());
417 XMLNodeList::const_iterator i = children.begin();
418 if ((c = _click_io->set_state (**i, Stateful::loading_state_version)) == 0) {
420 if (i != children.end()) {
421 c = _click_gain->set_state (**i, Stateful::loading_state_version);
427 _clicking = Config->get_clicking ();
431 error << _("could not setup Click I/O") << endmsg;
438 /* default state for Click: dual-mono to first 2 physical outputs */
441 _engine.get_physical_outputs (DataType::AUDIO, outs);
443 for (uint32_t physport = 0; physport < 2; ++physport) {
444 if (outs.size() > physport) {
445 if (_click_io->add_port (outs[physport], this)) {
446 // relax, even though its an error
451 if (_click_io->n_ports () > ChanCount::ZERO) {
452 _clicking = Config->get_clicking ();
457 catch (failed_constructor& err) {
458 error << _("cannot setup Click I/O") << endmsg;
461 BootMessage (_("Compute I/O Latencies"));
464 // XXX HOW TO ALERT UI TO THIS ? DO WE NEED TO?
467 BootMessage (_("Set up standard connections"));
469 vector<string> inputs[DataType::num_types];
470 vector<string> outputs[DataType::num_types];
471 for (uint32_t i = 0; i < DataType::num_types; ++i) {
472 _engine.get_physical_inputs (DataType (DataType::Symbol (i)), inputs[i]);
473 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
476 /* Create a set of Bundle objects that map
477 to the physical I/O currently available. We create both
478 mono and stereo bundles, so that the common cases of mono
479 and stereo tracks get bundles to put in their mixer strip
480 in / out menus. There may be a nicer way of achieving that;
481 it doesn't really scale that well to higher channel counts
484 /* mono output bundles */
486 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); ++np) {
488 snprintf (buf, sizeof (buf), _("out %" PRIu32), np+1);
490 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
491 c->add_channel (_("mono"), DataType::AUDIO);
492 c->set_port (0, outputs[DataType::AUDIO][np]);
497 /* stereo output bundles */
499 for (uint32_t np = 0; np < outputs[DataType::AUDIO].size(); np += 2) {
500 if (np + 1 < outputs[DataType::AUDIO].size()) {
502 snprintf (buf, sizeof(buf), _("out %" PRIu32 "+%" PRIu32), np + 1, np + 2);
503 boost::shared_ptr<Bundle> c (new Bundle (buf, true));
504 c->add_channel (_("L"), DataType::AUDIO);
505 c->set_port (0, outputs[DataType::AUDIO][np]);
506 c->add_channel (_("R"), DataType::AUDIO);
507 c->set_port (1, outputs[DataType::AUDIO][np + 1]);
513 /* mono input bundles */
515 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); ++np) {
517 snprintf (buf, sizeof (buf), _("in %" PRIu32), np+1);
519 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
520 c->add_channel (_("mono"), DataType::AUDIO);
521 c->set_port (0, inputs[DataType::AUDIO][np]);
526 /* stereo input bundles */
528 for (uint32_t np = 0; np < inputs[DataType::AUDIO].size(); np += 2) {
529 if (np + 1 < inputs[DataType::AUDIO].size()) {
531 snprintf (buf, sizeof(buf), _("in %" PRIu32 "+%" PRIu32), np + 1, np + 2);
533 boost::shared_ptr<Bundle> c (new Bundle (buf, false));
534 c->add_channel (_("L"), DataType::AUDIO);
535 c->set_port (0, inputs[DataType::AUDIO][np]);
536 c->add_channel (_("R"), DataType::AUDIO);
537 c->set_port (1, inputs[DataType::AUDIO][np + 1]);
543 /* MIDI input bundles */
545 for (uint32_t np = 0; np < inputs[DataType::MIDI].size(); ++np) {
546 string n = inputs[DataType::MIDI][np];
547 boost::erase_first (n, X_("alsa_pcm:"));
549 boost::shared_ptr<Bundle> c (new Bundle (n, false));
550 c->add_channel ("", DataType::MIDI);
551 c->set_port (0, inputs[DataType::MIDI][np]);
555 /* MIDI output bundles */
557 for (uint32_t np = 0; np < outputs[DataType::MIDI].size(); ++np) {
558 string n = outputs[DataType::MIDI][np];
559 boost::erase_first (n, X_("alsa_pcm:"));
561 boost::shared_ptr<Bundle> c (new Bundle (n, true));
562 c->add_channel ("", DataType::MIDI);
563 c->set_port (0, outputs[DataType::MIDI][np]);
567 BootMessage (_("Setup signal flow and plugins"));
569 /* Reset all panners */
571 Delivery::reset_panners ();
573 /* this will cause the CPM to instantiate any protocols that are in use
574 * (or mandatory), which will pass it this Session, and then call
575 * set_state() on each instantiated protocol to match stored state.
578 ControlProtocolManager::instance().set_session (this);
580 /* This must be done after the ControlProtocolManager set_session above,
581 as it will set states for ports which the ControlProtocolManager creates.
584 MIDI::Manager::instance()->set_port_states (Config->midi_port_states ());
586 /* And this must be done after the MIDI::Manager::set_port_states as
587 * it will try to make connections whose details are loaded by set_port_states.
592 /* Let control protocols know that we are now all connected, so they
593 * could start talking to surfaces if they want to.
596 ControlProtocolManager::instance().midi_connectivity_established ();
598 if (_is_new && !no_auto_connect()) {
599 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
600 auto_connect_master_bus ();
603 _state_of_the_state = StateOfTheState (_state_of_the_state & ~(CannotSave|Dirty));
605 /* update latencies */
607 initialize_latencies ();
609 /* hook us up to the engine */
611 BootMessage (_("Connect to engine"));
612 _engine.set_session (this);
613 _engine.reset_timebase ();
617 Session::auto_connect_master_bus ()
619 if (!_master_out || !Config->get_auto_connect_standard_busses() || _monitor_out) {
623 /* if requested auto-connect the outputs to the first N physical ports.
626 uint32_t limit = _master_out->n_outputs().n_total();
627 vector<string> outputs[DataType::num_types];
629 for (uint32_t i = 0; i < DataType::num_types; ++i) {
630 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
633 for (uint32_t n = 0; n < limit; ++n) {
634 boost::shared_ptr<Port> p = _master_out->output()->nth (n);
636 if (outputs[p->type()].size() > n) {
637 connect_to = outputs[p->type()][n];
640 if (!connect_to.empty() && p->connected_to (connect_to) == false) {
641 if (_master_out->output()->connect (p, connect_to, this)) {
642 error << string_compose (_("cannot connect master output %1 to %2"), n, connect_to)
651 Session::remove_monitor_section ()
657 /* force reversion to Solo-In-Place */
658 Config->set_solo_control_is_listen_control (false);
661 /* Hold process lock while doing this so that we don't hear bits and
662 * pieces of audio as we work on each route.
665 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
667 /* Connect tracks to monitor section. Note that in an
668 existing session, the internal sends will already exist, but we want the
669 routes to notice that they connect to the control out specifically.
673 boost::shared_ptr<RouteList> r = routes.reader ();
674 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
676 for (RouteList::iterator x = r->begin(); x != r->end(); ++x) {
678 if ((*x)->is_monitor()) {
680 } else if ((*x)->is_master()) {
683 (*x)->remove_aux_or_listen (_monitor_out);
688 remove_route (_monitor_out);
689 auto_connect_master_bus ();
693 Session::add_monitor_section ()
697 if (_monitor_out || !_master_out) {
701 boost::shared_ptr<Route> r (new Route (*this, _("monitor"), Route::MonitorOut, DataType::AUDIO));
707 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
708 // boost_debug_shared_ptr_mark_interesting (r.get(), "Route");
711 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
712 r->input()->ensure_io (_master_out->output()->n_ports(), false, this);
713 r->output()->ensure_io (_master_out->output()->n_ports(), false, this);
717 add_routes (rl, false, false, false);
719 assert (_monitor_out);
721 /* AUDIO ONLY as of june 29th 2009, because listen semantics for anything else
722 are undefined, at best.
725 uint32_t limit = _monitor_out->n_inputs().n_audio();
729 /* connect the inputs to the master bus outputs. this
730 * represents a separate data feed from the internal sends from
731 * each route. as of jan 2011, it allows the monitor section to
732 * conditionally ignore either the internal sends or the normal
733 * input feed, but we should really find a better way to do
737 _master_out->output()->disconnect (this);
739 for (uint32_t n = 0; n < limit; ++n) {
740 boost::shared_ptr<AudioPort> p = _monitor_out->input()->ports().nth_audio_port (n);
741 boost::shared_ptr<AudioPort> o = _master_out->output()->ports().nth_audio_port (n);
744 string connect_to = o->name();
745 if (_monitor_out->input()->connect (p, connect_to, this)) {
746 error << string_compose (_("cannot connect control input %1 to %2"), n, connect_to)
754 /* if monitor section is not connected, connect it to physical outs
757 if (Config->get_auto_connect_standard_busses() && !_monitor_out->output()->connected ()) {
759 if (!Config->get_monitor_bus_preferred_bundle().empty()) {
761 boost::shared_ptr<Bundle> b = bundle_by_name (Config->get_monitor_bus_preferred_bundle());
764 _monitor_out->output()->connect_ports_to_bundle (b, true, this);
766 warning << string_compose (_("The preferred I/O for the monitor bus (%1) cannot be found"),
767 Config->get_monitor_bus_preferred_bundle())
773 /* Monitor bus is audio only */
775 uint32_t mod = n_physical_outputs.get (DataType::AUDIO);
776 uint32_t limit = _monitor_out->n_outputs().get (DataType::AUDIO);
777 vector<string> outputs[DataType::num_types];
779 for (uint32_t i = 0; i < DataType::num_types; ++i) {
780 _engine.get_physical_outputs (DataType (DataType::Symbol (i)), outputs[i]);
786 for (uint32_t n = 0; n < limit; ++n) {
788 boost::shared_ptr<Port> p = _monitor_out->output()->ports().port(DataType::AUDIO, n);
790 if (outputs[DataType::AUDIO].size() > (n % mod)) {
791 connect_to = outputs[DataType::AUDIO][n % mod];
794 if (!connect_to.empty()) {
795 if (_monitor_out->output()->connect (p, connect_to, this)) {
796 error << string_compose (
797 _("cannot connect control output %1 to %2"),
808 /* Hold process lock while doing this so that we don't hear bits and
809 * pieces of audio as we work on each route.
812 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
814 /* Connect tracks to monitor section. Note that in an
815 existing session, the internal sends will already exist, but we want the
816 routes to notice that they connect to the control out specifically.
820 boost::shared_ptr<RouteList> rls = routes.reader ();
822 PBD::Unwinder<bool> uw (ignore_route_processor_changes, true);
824 for (RouteList::iterator x = rls->begin(); x != rls->end(); ++x) {
826 if ((*x)->is_monitor()) {
828 } else if ((*x)->is_master()) {
831 (*x)->enable_monitor_send ();
837 Session::hookup_io ()
839 /* stop graph reordering notifications from
840 causing resorts, etc.
843 _state_of_the_state = StateOfTheState (_state_of_the_state | InitialConnecting);
847 /* we delay creating the auditioner till now because
848 it makes its own connections to ports.
852 boost::shared_ptr<Auditioner> a (new Auditioner (*this));
854 throw failed_constructor ();
856 a->use_new_diskstream ();
860 catch (failed_constructor& err) {
861 warning << _("cannot create Auditioner: no auditioning of regions possible") << endmsg;
865 /* load bundles, which we may have postponed earlier on */
866 if (_bundle_xml_node) {
867 load_bundles (*_bundle_xml_node);
868 delete _bundle_xml_node;
871 /* Tell all IO objects to connect themselves together */
873 IO::enable_connecting ();
874 MIDI::JackMIDIPort::MakeConnections ();
876 /* Anyone who cares about input state, wake up and do something */
878 IOConnectionsComplete (); /* EMIT SIGNAL */
880 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InitialConnecting);
882 /* now handle the whole enchilada as if it was one
888 /* update the full solo state, which can't be
889 correctly determined on a per-route basis, but
890 needs the global overview that only the session
894 update_route_solo_state ();
898 Session::track_playlist_changed (boost::weak_ptr<Track> wp)
900 boost::shared_ptr<Track> track = wp.lock ();
905 boost::shared_ptr<Playlist> playlist;
907 if ((playlist = track->playlist()) != 0) {
908 playlist->RegionAdded.connect_same_thread (*this, boost::bind (&Session::playlist_region_added, this, _1));
909 playlist->RangesMoved.connect_same_thread (*this, boost::bind (&Session::playlist_ranges_moved, this, _1));
910 playlist->RegionsExtended.connect_same_thread (*this, boost::bind (&Session::playlist_regions_extended, this, _1));
915 Session::record_enabling_legal () const
917 /* this used to be in here, but survey says.... we don't need to restrict it */
918 // if (record_status() == Recording) {
922 if (Config->get_all_safe()) {
929 Session::set_track_monitor_input_status (bool yn)
931 boost::shared_ptr<RouteList> rl = routes.reader ();
932 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
933 boost::shared_ptr<AudioTrack> tr = boost::dynamic_pointer_cast<AudioTrack> (*i);
934 if (tr && tr->record_enabled ()) {
935 //cerr << "switching to input = " << !auto_input << __FILE__ << __LINE__ << endl << endl;
936 tr->request_jack_monitors_input (yn);
942 Session::auto_punch_start_changed (Location* location)
944 replace_event (SessionEvent::PunchIn, location->start());
946 if (get_record_enabled() && config.get_punch_in()) {
947 /* capture start has been changed, so save new pending state */
948 save_state ("", true);
953 Session::auto_punch_end_changed (Location* location)
955 framepos_t when_to_stop = location->end();
956 // when_to_stop += _worst_output_latency + _worst_input_latency;
957 replace_event (SessionEvent::PunchOut, when_to_stop);
961 Session::auto_punch_changed (Location* location)
963 framepos_t when_to_stop = location->end();
965 replace_event (SessionEvent::PunchIn, location->start());
966 //when_to_stop += _worst_output_latency + _worst_input_latency;
967 replace_event (SessionEvent::PunchOut, when_to_stop);
970 /** @param loc A loop location.
971 * @param pos Filled in with the start time of the required fade-out (in session frames).
972 * @param length Filled in with the length of the required fade-out.
975 Session::auto_loop_declick_range (Location* loc, framepos_t & pos, framepos_t & length)
977 pos = max (loc->start(), loc->end() - 64);
978 length = loc->end() - pos;
982 Session::auto_loop_changed (Location* location)
984 replace_event (SessionEvent::AutoLoop, location->end(), location->start());
987 auto_loop_declick_range (location, dcp, dcl);
988 replace_event (SessionEvent::AutoLoopDeclick, dcp, dcl);
990 if (transport_rolling() && play_loop) {
993 // if (_transport_frame > location->end()) {
995 if (_transport_frame < location->start() || _transport_frame > location->end()) {
996 // relocate to beginning of loop
997 clear_events (SessionEvent::LocateRoll);
999 request_locate (location->start(), true);
1002 else if (Config->get_seamless_loop() && !loop_changing) {
1004 // schedule a locate-roll to refill the diskstreams at the
1005 // previous loop end
1006 loop_changing = true;
1008 if (location->end() > last_loopend) {
1009 clear_events (SessionEvent::LocateRoll);
1010 SessionEvent *ev = new SessionEvent (SessionEvent::LocateRoll, SessionEvent::Add, last_loopend, last_loopend, 0, true);
1017 last_loopend = location->end();
1021 Session::set_auto_punch_location (Location* location)
1025 if ((existing = _locations->auto_punch_location()) != 0 && existing != location) {
1026 punch_connections.drop_connections();
1027 existing->set_auto_punch (false, this);
1028 remove_event (existing->start(), SessionEvent::PunchIn);
1029 clear_events (SessionEvent::PunchOut);
1030 auto_punch_location_changed (0);
1035 if (location == 0) {
1039 if (location->end() <= location->start()) {
1040 error << _("Session: you can't use that location for auto punch (start <= end)") << endmsg;
1044 punch_connections.drop_connections ();
1046 location->start_changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_start_changed, this, _1));
1047 location->end_changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_end_changed, this, _1));
1048 location->changed.connect_same_thread (punch_connections, boost::bind (&Session::auto_punch_changed, this, _1));
1050 location->set_auto_punch (true, this);
1052 auto_punch_changed (location);
1054 auto_punch_location_changed (location);
1058 Session::set_auto_loop_location (Location* location)
1062 if ((existing = _locations->auto_loop_location()) != 0 && existing != location) {
1063 loop_connections.drop_connections ();
1064 existing->set_auto_loop (false, this);
1065 remove_event (existing->end(), SessionEvent::AutoLoop);
1068 auto_loop_declick_range (existing, dcp, dcl);
1069 remove_event (dcp, SessionEvent::AutoLoopDeclick);
1070 auto_loop_location_changed (0);
1075 if (location == 0) {
1079 if (location->end() <= location->start()) {
1080 error << _("Session: you can't use a mark for auto loop") << endmsg;
1084 last_loopend = location->end();
1086 loop_connections.drop_connections ();
1088 location->start_changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
1089 location->end_changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
1090 location->changed.connect_same_thread (loop_connections, boost::bind (&Session::auto_loop_changed, this, _1));
1092 location->set_auto_loop (true, this);
1094 /* take care of our stuff first */
1096 auto_loop_changed (location);
1098 /* now tell everyone else */
1100 auto_loop_location_changed (location);
1104 Session::locations_added (Location *)
1110 Session::locations_changed ()
1112 _locations->apply (*this, &Session::handle_locations_changed);
1116 Session::handle_locations_changed (Locations::LocationList& locations)
1118 Locations::LocationList::iterator i;
1120 bool set_loop = false;
1121 bool set_punch = false;
1123 for (i = locations.begin(); i != locations.end(); ++i) {
1127 if (location->is_auto_punch()) {
1128 set_auto_punch_location (location);
1131 if (location->is_auto_loop()) {
1132 set_auto_loop_location (location);
1136 if (location->is_session_range()) {
1137 _session_range_location = location;
1142 set_auto_loop_location (0);
1145 set_auto_punch_location (0);
1152 Session::enable_record ()
1154 if (_transport_speed != 0.0 && _transport_speed != 1.0) {
1155 /* no recording at anything except normal speed */
1160 RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
1162 if (rs == Recording) {
1166 if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
1168 _last_record_location = _transport_frame;
1169 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordStrobe));
1171 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1172 set_track_monitor_input_status (true);
1175 RecordStateChanged ();
1182 Session::disable_record (bool rt_context, bool force)
1186 if ((rs = (RecordState) g_atomic_int_get (&_record_status)) != Disabled) {
1188 if ((!Config->get_latched_record_enable () && !play_loop) || force) {
1189 g_atomic_int_set (&_record_status, Disabled);
1190 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordExit));
1192 if (rs == Recording) {
1193 g_atomic_int_set (&_record_status, Enabled);
1197 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1198 set_track_monitor_input_status (false);
1201 RecordStateChanged (); /* emit signal */
1204 remove_pending_capture_state ();
1210 Session::step_back_from_record ()
1212 if (g_atomic_int_compare_and_exchange (&_record_status, Recording, Enabled)) {
1214 if (Config->get_monitoring_model() == HardwareMonitoring && config.get_auto_input()) {
1215 set_track_monitor_input_status (false);
1218 RecordStateChanged (); /* emit signal */
1223 Session::maybe_enable_record ()
1225 if (_step_editors > 0) {
1229 g_atomic_int_set (&_record_status, Enabled);
1231 /* This function is currently called from somewhere other than an RT thread.
1232 This save_state() call therefore doesn't impact anything. Doing it here
1233 means that we save pending state of which sources the next record will use,
1234 which gives us some chance of recovering from a crash during the record.
1237 save_state ("", true);
1239 if (_transport_speed) {
1240 if (!config.get_punch_in()) {
1244 MIDI::Manager::instance()->mmc()->send (MIDI::MachineControlCommand (MIDI::MachineControl::cmdRecordPause));
1245 RecordStateChanged (); /* EMIT SIGNAL */
1252 Session::audible_frame () const
1258 /* the first of these two possible settings for "offset"
1259 mean that the audible frame is stationary until
1260 audio emerges from the latency compensation
1263 the second means that the audible frame is stationary
1264 until audio would emerge from a physical port
1265 in the absence of any plugin latency compensation
1268 offset = worst_playback_latency ();
1270 if (offset > current_block_size) {
1271 offset -= current_block_size;
1273 /* XXX is this correct? if we have no external
1274 physical connections and everything is internal
1275 then surely this is zero? still, how
1276 likely is that anyway?
1278 offset = current_block_size;
1281 if (synced_to_jack()) {
1282 tf = _engine.transport_frame();
1284 tf = _transport_frame;
1289 if (!non_realtime_work_pending()) {
1293 /* Check to see if we have passed the first guaranteed
1294 audible frame past our last start position. if not,
1295 return that last start point because in terms
1296 of audible frames, we have not moved yet.
1298 `Start position' in this context means the time we last
1299 either started, located, or changed transport direction.
1302 if (_transport_speed > 0.0f) {
1304 if (!play_loop || !have_looped) {
1305 if (tf < _last_roll_or_reversal_location + offset) {
1306 return _last_roll_or_reversal_location;
1314 } else if (_transport_speed < 0.0f) {
1316 /* XXX wot? no backward looping? */
1318 if (tf > _last_roll_or_reversal_location - offset) {
1319 return _last_roll_or_reversal_location;
1331 Session::set_frame_rate (framecnt_t frames_per_second)
1333 /** \fn void Session::set_frame_size(framecnt_t)
1334 the AudioEngine object that calls this guarantees
1335 that it will not be called while we are also in
1336 ::process(). Its fine to do things that block
1340 _base_frame_rate = frames_per_second;
1346 // XXX we need some equivalent to this, somehow
1347 // SndFileSource::setup_standard_crossfades (frames_per_second);
1351 /* XXX need to reset/reinstantiate all LADSPA plugins */
1355 Session::set_block_size (pframes_t nframes)
1357 /* the AudioEngine guarantees
1358 that it will not be called while we are also in
1359 ::process(). It is therefore fine to do things that block
1364 current_block_size = nframes;
1368 boost::shared_ptr<RouteList> r = routes.reader ();
1370 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1371 (*i)->set_block_size (nframes);
1374 boost::shared_ptr<RouteList> rl = routes.reader ();
1375 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1376 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1378 tr->set_block_size (nframes);
1382 set_worst_io_latencies ();
1388 trace_terminal (boost::shared_ptr<Route> r1, boost::shared_ptr<Route> rbase)
1390 boost::shared_ptr<Route> r2;
1392 if (r1->feeds (rbase) && rbase->feeds (r1)) {
1393 info << string_compose(_("feedback loop setup between %1 and %2"), r1->name(), rbase->name()) << endmsg;
1397 /* make a copy of the existing list of routes that feed r1 */
1399 Route::FedBy existing (r1->fed_by());
1401 /* for each route that feeds r1, recurse, marking it as feeding
1405 for (Route::FedBy::iterator i = existing.begin(); i != existing.end(); ++i) {
1406 if (!(r2 = i->r.lock ())) {
1407 /* (*i) went away, ignore it */
1411 /* r2 is a route that feeds r1 which somehow feeds base. mark
1412 base as being fed by r2
1415 rbase->add_fed_by (r2, i->sends_only);
1419 /* 2nd level feedback loop detection. if r1 feeds or is fed by r2,
1423 if (r1->feeds (r2) && r2->feeds (r1)) {
1427 /* now recurse, so that we can mark base as being fed by
1428 all routes that feed r2
1431 trace_terminal (r2, rbase);
1438 Session::resort_routes ()
1440 /* don't do anything here with signals emitted
1441 by Routes during initial setup or while we
1442 are being destroyed.
1445 if (_state_of_the_state & (InitialConnecting | Deletion)) {
1450 RCUWriter<RouteList> writer (routes);
1451 boost::shared_ptr<RouteList> r = writer.get_copy ();
1452 resort_routes_using (r);
1453 /* writer goes out of scope and forces update */
1457 boost::shared_ptr<RouteList> rl = routes.reader ();
1458 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
1459 DEBUG_TRACE (DEBUG::Graph, string_compose ("%1 fed by ...\n", (*i)->name()));
1461 const Route::FedBy& fb ((*i)->fed_by());
1463 for (Route::FedBy::const_iterator f = fb.begin(); f != fb.end(); ++f) {
1464 boost::shared_ptr<Route> sf = f->r.lock();
1466 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 (sends only ? %2)\n", sf->name(), f->sends_only));
1474 /** This is called whenever we need to rebuild the graph of how we will process
1476 * @param r List of routes, in any order.
1480 Session::resort_routes_using (boost::shared_ptr<RouteList> r)
1482 /* We are going to build a directed graph of our routes;
1483 this is where the edges of that graph are put.
1488 /* Go through all routes doing two things:
1490 * 1. Collect the edges of the route graph. Each of these edges
1491 * is a pair of routes, one of which directly feeds the other
1492 * either by a JACK connection or by an internal send.
1494 * 2. Begin the process of making routes aware of which other
1495 * routes directly or indirectly feed them. This information
1496 * is used by the solo code.
1499 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1501 /* Clear out the route's list of direct or indirect feeds */
1502 (*i)->clear_fed_by ();
1504 for (RouteList::iterator j = r->begin(); j != r->end(); ++j) {
1506 bool via_sends_only;
1508 /* See if this *j feeds *i according to the current state of the JACK
1509 connections and internal sends.
1511 if ((*j)->direct_feeds_according_to_reality (*i, &via_sends_only)) {
1512 /* add the edge to the graph (part #1) */
1513 edges.add (*j, *i, via_sends_only);
1514 /* tell the route (for part #2) */
1515 (*i)->add_fed_by (*j, via_sends_only);
1520 /* Attempt a topological sort of the route graph */
1521 boost::shared_ptr<RouteList> sorted_routes = topological_sort (r, edges);
1523 if (sorted_routes) {
1524 /* We got a satisfactory topological sort, so there is no feedback;
1527 Note: the process graph rechain does not require a
1528 topologically-sorted list, but hey ho.
1530 if (_process_graph) {
1531 _process_graph->rechain (sorted_routes, edges);
1534 _current_route_graph = edges;
1536 /* Complete the building of the routes' lists of what directly
1537 or indirectly feeds them.
1539 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1540 trace_terminal (*i, *i);
1543 *r = *sorted_routes;
1546 DEBUG_TRACE (DEBUG::Graph, "Routes resorted, order follows:\n");
1547 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1548 DEBUG_TRACE (DEBUG::Graph, string_compose ("\t%1 signal order %2\n",
1549 (*i)->name(), (*i)->order_key (MixerSort)));
1553 SuccessfulGraphSort (); /* EMIT SIGNAL */
1556 /* The topological sort failed, so we have a problem. Tell everyone
1557 and stick to the old graph; this will continue to be processed, so
1558 until the feedback is fixed, what is played back will not quite
1559 reflect what is actually connected. Note also that we do not
1560 do trace_terminal here, as it would fail due to an endless recursion,
1561 so the solo code will think that everything is still connected
1565 FeedbackDetected (); /* EMIT SIGNAL */
1570 /** Find a route name starting with \a base, maybe followed by the
1571 * lowest \a id. \a id will always be added if \a definitely_add_number
1572 * is true on entry; otherwise it will only be added if required
1573 * to make the name unique.
1575 * Names are constructed like e.g. "Audio 3" for base="Audio" and id=3.
1576 * The available route name with the lowest ID will be used, and \a id
1577 * will be set to the ID.
1579 * \return false if a route name could not be found, and \a track_name
1580 * and \a id do not reflect a free route name.
1583 Session::find_route_name (string const & base, uint32_t& id, char* name, size_t name_len, bool definitely_add_number)
1585 if (!definitely_add_number && route_by_name (base) == 0) {
1586 /* juse use the base */
1587 snprintf (name, name_len, "%s", base.c_str());
1592 snprintf (name, name_len, "%s %" PRIu32, base.c_str(), id);
1594 if (route_by_name (name) == 0) {
1600 } while (id < (UINT_MAX-1));
1605 /** Count the total ins and outs of all non-hidden tracks in the session and return them in in and out */
1607 Session::count_existing_track_channels (ChanCount& in, ChanCount& out)
1609 in = ChanCount::ZERO;
1610 out = ChanCount::ZERO;
1612 boost::shared_ptr<RouteList> r = routes.reader ();
1614 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1615 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
1616 if (tr && !tr->is_hidden()) {
1617 in += tr->n_inputs();
1618 out += tr->n_outputs();
1623 /** Caller must not hold process lock
1624 * @param name_template string to use for the start of the name, or "" to use "MIDI".
1625 * @param instrument plugin info for the instrument to insert pre-fader, if any
1627 list<boost::shared_ptr<MidiTrack> >
1628 Session::new_midi_track (const ChanCount& input, const ChanCount& output, boost::shared_ptr<PluginInfo> instrument,
1629 TrackMode mode, RouteGroup* route_group, uint32_t how_many, string name_template)
1631 char track_name[32];
1632 uint32_t track_id = 0;
1634 RouteList new_routes;
1635 list<boost::shared_ptr<MidiTrack> > ret;
1637 cerr << "Adding MIDI track with in = " << input << " out = " << output << endl;
1639 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("MIDI");
1642 if (!find_route_name (name_template.empty() ? _("MIDI") : name_template, ++track_id, track_name, sizeof(track_name), use_number)) {
1643 error << "cannot find name for new midi track" << endmsg;
1647 boost::shared_ptr<MidiTrack> track;
1650 track.reset (new MidiTrack (*this, track_name, Route::Flag (0), mode));
1652 if (track->init ()) {
1656 track->use_new_diskstream();
1658 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1659 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
1662 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1663 if (track->input()->ensure_io (input, false, this)) {
1664 error << "cannot configure " << input << " out configuration for new midi track" << endmsg;
1668 if (track->output()->ensure_io (output, false, this)) {
1669 error << "cannot configure " << output << " out configuration for new midi track" << endmsg;
1674 track->non_realtime_input_change();
1677 route_group->add (track);
1680 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
1682 if (Config->get_remote_model() == UserOrdered) {
1683 track->set_remote_control_id (next_control_id());
1686 new_routes.push_back (track);
1687 ret.push_back (track);
1690 catch (failed_constructor &err) {
1691 error << _("Session: could not create new midi track.") << endmsg;
1695 catch (AudioEngine::PortRegistrationFailure& pfe) {
1697 error << string_compose (_("No more JACK ports are available. You will need to stop %1 and restart JACK with ports if you need this many tracks."), PROGRAM_NAME) << endmsg;
1705 if (!new_routes.empty()) {
1706 add_routes (new_routes, true, true, true);
1709 for (RouteList::iterator r = new_routes.begin(); r != new_routes.end(); ++r) {
1710 PluginPtr plugin = instrument->load (*this);
1711 boost::shared_ptr<Processor> p (new PluginInsert (*this, plugin));
1712 (*r)->add_processor (p, PreFader);
1722 Session::midi_output_change_handler (IOChange change, void * /*src*/, boost::weak_ptr<Route> wmt)
1724 boost::shared_ptr<Route> midi_track (wmt.lock());
1730 if ((change.type & IOChange::ConfigurationChanged) && Config->get_output_auto_connect() != ManualConnect) {
1732 if (change.after.n_audio() <= change.before.n_audio()) {
1736 /* new audio ports: make sure the audio goes somewhere useful,
1737 unless the user has no-auto-connect selected.
1739 The existing ChanCounts don't matter for this call as they are only
1740 to do with matching input and output indices, and we are only changing
1746 auto_connect_route (midi_track, dummy, dummy, false, false, ChanCount(), change.before);
1750 /** @param connect_inputs true to connect inputs as well as outputs, false to connect just outputs.
1751 * @param input_start Where to start from when auto-connecting inputs; e.g. if this is 0, auto-connect starting from input 0.
1752 * @param output_start As \a input_start, but for outputs.
1755 Session::auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
1756 bool with_lock, bool connect_inputs, ChanCount input_start, ChanCount output_start)
1758 if (!IO::connecting_legal) {
1762 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
1768 /* If both inputs and outputs are auto-connected to physical ports,
1769 use the max of input and output offsets to ensure auto-connected
1770 port numbers always match up (e.g. the first audio input and the
1771 first audio output of the route will have the same physical
1772 port number). Otherwise just use the lowest input or output
1776 DEBUG_TRACE (DEBUG::Graph,
1777 string_compose("Auto-connect: existing in = %1 out = %2\n",
1778 existing_inputs, existing_outputs));
1780 const bool in_out_physical =
1781 (Config->get_input_auto_connect() & AutoConnectPhysical)
1782 && (Config->get_output_auto_connect() & AutoConnectPhysical)
1785 const ChanCount in_offset = in_out_physical
1786 ? ChanCount::max(existing_inputs, existing_outputs)
1789 const ChanCount out_offset = in_out_physical
1790 ? ChanCount::max(existing_inputs, existing_outputs)
1793 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1794 vector<string> physinputs;
1795 vector<string> physoutputs;
1797 _engine.get_physical_outputs (*t, physoutputs);
1798 _engine.get_physical_inputs (*t, physinputs);
1800 if (!physinputs.empty() && connect_inputs) {
1801 uint32_t nphysical_in = physinputs.size();
1803 DEBUG_TRACE (DEBUG::Graph,
1804 string_compose("There are %1 physical inputs of type %2\n",
1807 for (uint32_t i = input_start.get(*t); i < route->n_inputs().get(*t) && i < nphysical_in; ++i) {
1810 if (Config->get_input_auto_connect() & AutoConnectPhysical) {
1811 DEBUG_TRACE (DEBUG::Graph,
1812 string_compose("Get index %1 + %2 % %3 = %4\n",
1813 in_offset.get(*t), i, nphysical_in,
1814 (in_offset.get(*t) + i) % nphysical_in));
1815 port = physinputs[(in_offset.get(*t) + i) % nphysical_in];
1818 DEBUG_TRACE (DEBUG::Graph,
1819 string_compose("Connect route %1 IN to %2\n",
1820 route->name(), port));
1822 if (!port.empty() && route->input()->connect (route->input()->ports().port(*t, i), port, this)) {
1826 ChanCount one_added (*t, 1);
1827 existing_inputs += one_added;
1831 if (!physoutputs.empty()) {
1832 uint32_t nphysical_out = physoutputs.size();
1833 for (uint32_t i = output_start.get(*t); i < route->n_outputs().get(*t); ++i) {
1836 if ((*t) == DataType::MIDI || Config->get_output_auto_connect() & AutoConnectPhysical) {
1837 port = physoutputs[(out_offset.get(*t) + i) % nphysical_out];
1838 } else if ((*t) == DataType::AUDIO && Config->get_output_auto_connect() & AutoConnectMaster) {
1839 /* master bus is audio only */
1840 if (_master_out && _master_out->n_inputs().get(*t) > 0) {
1841 port = _master_out->input()->ports().port(*t,
1842 i % _master_out->input()->n_ports().get(*t))->name();
1846 DEBUG_TRACE (DEBUG::Graph,
1847 string_compose("Connect route %1 OUT to %2\n",
1848 route->name(), port));
1850 if (!port.empty() && route->output()->connect (route->output()->ports().port(*t, i), port, this)) {
1854 ChanCount one_added (*t, 1);
1855 existing_outputs += one_added;
1861 /** Caller must not hold process lock
1862 * @param name_template string to use for the start of the name, or "" to use "Audio".
1864 list< boost::shared_ptr<AudioTrack> >
1865 Session::new_audio_track (int input_channels, int output_channels, TrackMode mode, RouteGroup* route_group,
1866 uint32_t how_many, string name_template)
1868 char track_name[32];
1869 uint32_t track_id = 0;
1871 RouteList new_routes;
1872 list<boost::shared_ptr<AudioTrack> > ret;
1874 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Audio");
1877 if (!find_route_name (name_template.empty() ? _("Audio") : name_template, ++track_id, track_name, sizeof(track_name), use_number)) {
1878 error << "cannot find name for new audio track" << endmsg;
1882 boost::shared_ptr<AudioTrack> track;
1885 track.reset (new AudioTrack (*this, track_name, Route::Flag (0), mode));
1887 if (track->init ()) {
1891 track->use_new_diskstream();
1893 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1894 // boost_debug_shared_ptr_mark_interesting (track.get(), "Track");
1897 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1899 if (track->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
1900 error << string_compose (
1901 _("cannot configure %1 in/%2 out configuration for new audio track"),
1902 input_channels, output_channels)
1907 if (track->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
1908 error << string_compose (
1909 _("cannot configure %1 in/%2 out configuration for new audio track"),
1910 input_channels, output_channels)
1917 route_group->add (track);
1920 track->non_realtime_input_change();
1922 track->DiskstreamChanged.connect_same_thread (*this, boost::bind (&Session::resort_routes, this));
1923 if (Config->get_remote_model() == UserOrdered) {
1924 track->set_remote_control_id (next_control_id());
1927 new_routes.push_back (track);
1928 ret.push_back (track);
1931 catch (failed_constructor &err) {
1932 error << _("Session: could not create new audio track.") << endmsg;
1936 catch (AudioEngine::PortRegistrationFailure& pfe) {
1938 error << pfe.what() << endmsg;
1946 if (!new_routes.empty()) {
1947 add_routes (new_routes, true, true, true);
1953 /** Caller must not hold process lock.
1954 * @param name_template string to use for the start of the name, or "" to use "Bus".
1957 Session::new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, string name_template)
1960 uint32_t bus_id = 0;
1964 bool const use_number = (how_many != 1) || name_template.empty () || name_template == _("Bus");
1967 if (!find_route_name (name_template.empty () ? _("Bus") : name_template, ++bus_id, bus_name, sizeof(bus_name), use_number)) {
1968 error << "cannot find name for new audio bus" << endmsg;
1973 boost::shared_ptr<Route> bus (new Route (*this, bus_name, Route::Flag(0), DataType::AUDIO));
1979 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
1980 // boost_debug_shared_ptr_mark_interesting (bus.get(), "Route");
1983 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1985 if (bus->input()->ensure_io (ChanCount(DataType::AUDIO, input_channels), false, this)) {
1986 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1987 input_channels, output_channels)
1993 if (bus->output()->ensure_io (ChanCount(DataType::AUDIO, output_channels), false, this)) {
1994 error << string_compose (_("cannot configure %1 in/%2 out configuration for new audio track"),
1995 input_channels, output_channels)
2002 route_group->add (bus);
2004 if (Config->get_remote_model() == UserOrdered) {
2005 bus->set_remote_control_id (next_control_id());
2008 bus->add_internal_return ();
2010 ret.push_back (bus);
2016 catch (failed_constructor &err) {
2017 error << _("Session: could not create new audio route.") << endmsg;
2021 catch (AudioEngine::PortRegistrationFailure& pfe) {
2022 error << pfe.what() << endmsg;
2032 add_routes (ret, false, true, true); // autoconnect outputs only
2040 Session::new_route_from_template (uint32_t how_many, const std::string& template_path)
2043 uint32_t control_id;
2045 uint32_t number = 0;
2047 if (!tree.read (template_path.c_str())) {
2051 XMLNode* node = tree.root();
2053 IO::disable_connecting ();
2055 control_id = next_control_id ();
2059 XMLNode node_copy (*node);
2061 /* Remove IDs of everything so that new ones are used */
2062 node_copy.remove_property_recursively (X_("id"));
2065 string const route_name = node_copy.property(X_("name"))->value ();
2067 /* generate a new name by adding a number to the end of the template name */
2069 if (!find_route_name (route_name.c_str(), ++number, name, sizeof(name), true)) {
2070 fatal << _("Session: UINT_MAX routes? impossible!") << endmsg;
2074 /* set this name in the XML description that we are about to use */
2075 Route::set_name_in_state (node_copy, name);
2077 /* trim bitslots from listen sends so that new ones are used */
2078 XMLNodeList children = node_copy.children ();
2079 for (XMLNodeList::iterator i = children.begin(); i != children.end(); ++i) {
2080 if ((*i)->name() == X_("Processor")) {
2081 XMLProperty* role = (*i)->property (X_("role"));
2082 if (role && role->value() == X_("Listen")) {
2083 (*i)->remove_property (X_("bitslot"));
2088 boost::shared_ptr<Route> route (XMLRouteFactory (node_copy, 3000));
2091 error << _("Session: cannot create track/bus from template description") << endmsg;
2095 if (boost::dynamic_pointer_cast<Track>(route)) {
2096 /* force input/output change signals so that the new diskstream
2097 picks up the configuration of the route. During session
2098 loading this normally happens in a different way.
2101 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2103 IOChange change (IOChange::Type (IOChange::ConfigurationChanged | IOChange::ConnectionsChanged));
2104 change.after = route->input()->n_ports();
2105 route->input()->changed (change, this);
2106 change.after = route->output()->n_ports();
2107 route->output()->changed (change, this);
2110 route->set_remote_control_id (control_id);
2113 ret.push_back (route);
2116 catch (failed_constructor &err) {
2117 error << _("Session: could not create new route from template") << endmsg;
2121 catch (AudioEngine::PortRegistrationFailure& pfe) {
2122 error << pfe.what() << endmsg;
2131 add_routes (ret, true, true, true);
2132 IO::enable_connecting ();
2139 Session::add_routes (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect, bool save)
2142 PBD::Unwinder<bool> aip (_adding_routes_in_progress, true);
2143 add_routes_inner (new_routes, input_auto_connect, output_auto_connect);
2146 error << _("Adding new tracks/busses failed") << endmsg;
2151 update_latency (true);
2152 update_latency (false);
2157 save_state (_current_snapshot_name);
2160 RouteAdded (new_routes); /* EMIT SIGNAL */
2164 Session::add_routes_inner (RouteList& new_routes, bool input_auto_connect, bool output_auto_connect)
2166 ChanCount existing_inputs;
2167 ChanCount existing_outputs;
2168 uint32_t order = next_control_id();
2170 count_existing_track_channels (existing_inputs, existing_outputs);
2173 RCUWriter<RouteList> writer (routes);
2174 boost::shared_ptr<RouteList> r = writer.get_copy ();
2175 r->insert (r->end(), new_routes.begin(), new_routes.end());
2177 /* if there is no control out and we're not in the middle of loading,
2178 resort the graph here. if there is a control out, we will resort
2179 toward the end of this method. if we are in the middle of loading,
2180 we will resort when done.
2183 if (!_monitor_out && IO::connecting_legal) {
2184 resort_routes_using (r);
2188 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
2190 boost::weak_ptr<Route> wpr (*x);
2191 boost::shared_ptr<Route> r (*x);
2193 r->listen_changed.connect_same_thread (*this, boost::bind (&Session::route_listen_changed, this, _1, wpr));
2194 r->solo_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_changed, this, _1, _2, wpr));
2195 r->solo_isolated_changed.connect_same_thread (*this, boost::bind (&Session::route_solo_isolated_changed, this, _1, wpr));
2196 r->mute_changed.connect_same_thread (*this, boost::bind (&Session::route_mute_changed, this, _1));
2197 r->output()->changed.connect_same_thread (*this, boost::bind (&Session::set_worst_io_latencies_x, this, _1, _2));
2198 r->processors_changed.connect_same_thread (*this, boost::bind (&Session::route_processors_changed, this, _1));
2200 if (r->is_master()) {
2204 if (r->is_monitor()) {
2208 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (r);
2210 tr->PlaylistChanged.connect_same_thread (*this, boost::bind (&Session::track_playlist_changed, this, boost::weak_ptr<Track> (tr)));
2211 track_playlist_changed (boost::weak_ptr<Track> (tr));
2212 tr->RecordEnableChanged.connect_same_thread (*this, boost::bind (&Session::update_have_rec_enabled_track, this));
2214 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (tr);
2216 mt->StepEditStatusChange.connect_same_thread (*this, boost::bind (&Session::step_edit_status_change, this, _1));
2217 mt->output()->changed.connect_same_thread (*this, boost::bind (&Session::midi_output_change_handler, this, _1, _2, boost::weak_ptr<Route>(mt)));
2222 if (input_auto_connect || output_auto_connect) {
2223 auto_connect_route (r, existing_inputs, existing_outputs, true, input_auto_connect);
2226 /* order keys are a GUI responsibility but we need to set up
2227 reasonable defaults because they also affect the remote control
2228 ID in most situations.
2231 if (!r->has_order_key (EditorSort)) {
2232 if (r->is_hidden()) {
2233 /* use an arbitrarily high value */
2234 r->set_order_key (EditorSort, UINT_MAX);
2235 r->set_order_key (MixerSort, UINT_MAX);
2237 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("while adding, set %1 to order key %2\n", r->name(), order));
2238 r->set_order_key (EditorSort, order);
2239 r->set_order_key (MixerSort, order);
2247 if (_monitor_out && IO::connecting_legal) {
2248 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
2250 for (RouteList::iterator x = new_routes.begin(); x != new_routes.end(); ++x) {
2251 if ((*x)->is_monitor()) {
2253 } else if ((*x)->is_master()) {
2256 (*x)->enable_monitor_send ();
2263 Session::globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest)
2265 boost::shared_ptr<RouteList> r = routes.reader ();
2266 boost::shared_ptr<Send> s;
2268 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2269 if ((s = (*i)->internal_send_for (dest)) != 0) {
2270 s->amp()->gain_control()->set_value (0.0);
2276 Session::globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest)
2278 boost::shared_ptr<RouteList> r = routes.reader ();
2279 boost::shared_ptr<Send> s;
2281 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2282 if ((s = (*i)->internal_send_for (dest)) != 0) {
2283 s->amp()->gain_control()->set_value (1.0);
2289 Session::globally_set_send_gains_from_track(boost::shared_ptr<Route> dest)
2291 boost::shared_ptr<RouteList> r = routes.reader ();
2292 boost::shared_ptr<Send> s;
2294 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2295 if ((s = (*i)->internal_send_for (dest)) != 0) {
2296 s->amp()->gain_control()->set_value ((*i)->gain_control()->get_value());
2301 /** @param include_buses true to add sends to buses and tracks, false for just tracks */
2303 Session::globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool include_buses)
2305 boost::shared_ptr<RouteList> r = routes.reader ();
2306 boost::shared_ptr<RouteList> t (new RouteList);
2308 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2309 /* no MIDI sends because there are no MIDI busses yet */
2310 if (include_buses || boost::dynamic_pointer_cast<AudioTrack>(*i)) {
2315 add_internal_sends (dest, p, t);
2319 Session::add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders)
2321 for (RouteList::iterator i = senders->begin(); i != senders->end(); ++i) {
2322 add_internal_send (dest, (*i)->before_processor_for_placement (p), *i);
2327 Session::add_internal_send (boost::shared_ptr<Route> dest, int index, boost::shared_ptr<Route> sender)
2329 add_internal_send (dest, sender->before_processor_for_index (index), sender);
2333 Session::add_internal_send (boost::shared_ptr<Route> dest, boost::shared_ptr<Processor> before, boost::shared_ptr<Route> sender)
2335 if (sender->is_monitor() || sender->is_master() || sender == dest || dest->is_monitor() || dest->is_master()) {
2339 if (!dest->internal_return()) {
2340 dest->add_internal_return ();
2343 sender->add_aux_send (dest, before);
2349 Session::remove_route (boost::shared_ptr<Route> route)
2351 if (route == _master_out) {
2355 route->set_solo (false, this);
2358 RCUWriter<RouteList> writer (routes);
2359 boost::shared_ptr<RouteList> rs = writer.get_copy ();
2363 /* deleting the master out seems like a dumb
2364 idea, but its more of a UI policy issue
2368 if (route == _master_out) {
2369 _master_out = boost::shared_ptr<Route> ();
2372 if (route == _monitor_out) {
2373 _monitor_out.reset ();
2376 /* writer goes out of scope, forces route list update */
2379 update_route_solo_state ();
2381 // We need to disconnect the route's inputs and outputs
2383 route->input()->disconnect (0);
2384 route->output()->disconnect (0);
2386 /* if the route had internal sends sending to it, remove them */
2387 if (route->internal_return()) {
2389 boost::shared_ptr<RouteList> r = routes.reader ();
2390 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2391 boost::shared_ptr<Send> s = (*i)->internal_send_for (route);
2393 (*i)->remove_processor (s);
2398 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (route);
2399 if (mt && mt->step_editing()) {
2400 if (_step_editors > 0) {
2405 update_latency_compensation ();
2408 /* Re-sort routes to remove the graph's current references to the one that is
2409 * going away, then flush old references out of the graph.
2413 if (_process_graph) {
2414 _process_graph->clear_other_chain ();
2417 /* get rid of it from the dead wood collection in the route list manager */
2419 /* XXX i think this is unsafe as it currently stands, but i am not sure. (pd, october 2nd, 2006) */
2423 /* try to cause everyone to drop their references */
2425 route->drop_references ();
2427 Route::RemoteControlIDChange(); /* EMIT SIGNAL */
2429 /* save the new state of the world */
2431 if (save_state (_current_snapshot_name)) {
2432 save_history (_current_snapshot_name);
2437 Session::route_mute_changed (void* /*src*/)
2443 Session::route_listen_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
2445 boost::shared_ptr<Route> route = wpr.lock();
2447 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2451 if (route->listening_via_monitor ()) {
2453 if (Config->get_exclusive_solo()) {
2454 /* new listen: disable all other listen */
2455 boost::shared_ptr<RouteList> r = routes.reader ();
2456 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2457 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
2460 (*i)->set_listen (false, this);
2466 } else if (_listen_cnt > 0) {
2471 update_route_solo_state ();
2474 Session::route_solo_isolated_changed (void* /*src*/, boost::weak_ptr<Route> wpr)
2476 boost::shared_ptr<Route> route = wpr.lock ();
2479 /* should not happen */
2480 error << string_compose (_("programming error: %1"), X_("invalid route weak ptr passed to route_solo_changed")) << endmsg;
2484 bool send_changed = false;
2486 if (route->solo_isolated()) {
2487 if (_solo_isolated_cnt == 0) {
2488 send_changed = true;
2490 _solo_isolated_cnt++;
2491 } else if (_solo_isolated_cnt > 0) {
2492 _solo_isolated_cnt--;
2493 if (_solo_isolated_cnt == 0) {
2494 send_changed = true;
2499 IsolatedChanged (); /* EMIT SIGNAL */
2504 Session::route_solo_changed (bool self_solo_change, void* /*src*/, boost::weak_ptr<Route> wpr)
2506 DEBUG_TRACE (DEBUG::Solo, string_compose ("route solo change, self = %1\n", self_solo_change));
2508 if (!self_solo_change) {
2509 // session doesn't care about changes to soloed-by-others
2513 if (solo_update_disabled) {
2515 DEBUG_TRACE (DEBUG::Solo, "solo update disabled - changed ignored\n");
2519 boost::shared_ptr<Route> route = wpr.lock ();
2522 boost::shared_ptr<RouteList> r = routes.reader ();
2525 if (route->self_soloed()) {
2531 RouteGroup* rg = route->route_group ();
2532 bool leave_group_alone = (rg && rg->is_active() && rg->is_solo());
2534 if (delta == 1 && Config->get_exclusive_solo()) {
2536 /* new solo: disable all other solos, but not the group if its solo-enabled */
2538 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2539 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden() ||
2540 (leave_group_alone && ((*i)->route_group() == rg))) {
2543 (*i)->set_solo (false, this);
2547 DEBUG_TRACE (DEBUG::Solo, string_compose ("propagate solo change, delta = %1\n", delta));
2549 solo_update_disabled = true;
2551 RouteList uninvolved;
2553 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1\n", route->name()));
2555 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2556 bool via_sends_only;
2557 bool in_signal_flow;
2559 if ((*i) == route || (*i)->solo_isolated() || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden() ||
2560 (leave_group_alone && ((*i)->route_group() == rg))) {
2564 in_signal_flow = false;
2566 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed from %1\n", (*i)->name()));
2568 if ((*i)->feeds (route, &via_sends_only)) {
2569 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a feed from %1\n", (*i)->name()));
2570 if (!via_sends_only) {
2571 if (!route->soloed_by_others_upstream()) {
2572 (*i)->mod_solo_by_others_downstream (delta);
2575 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tthere is a send-only feed from %1\n", (*i)->name()));
2577 in_signal_flow = true;
2579 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tno feed from %1\n", (*i)->name()));
2582 DEBUG_TRACE (DEBUG::Solo, string_compose ("check feed to %1\n", (*i)->name()));
2584 if (route->feeds (*i, &via_sends_only)) {
2585 /* propagate solo upstream only if routing other than
2586 sends is involved, but do consider the other route
2587 (*i) to be part of the signal flow even if only
2590 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 feeds %2 via sends only %3 sboD %4 sboU %5\n",
2594 route->soloed_by_others_downstream(),
2595 route->soloed_by_others_upstream()));
2596 if (!via_sends_only) {
2597 if (!route->soloed_by_others_downstream()) {
2598 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tmod %1 by %2\n", (*i)->name(), delta));
2599 (*i)->mod_solo_by_others_upstream (delta);
2601 DEBUG_TRACE (DEBUG::Solo, "\talready soloed by others downstream\n");
2604 DEBUG_TRACE (DEBUG::Solo, string_compose ("\tfeed to %1 ignored, sends-only\n", (*i)->name()));
2606 in_signal_flow = true;
2608 DEBUG_TRACE (DEBUG::Solo, "\tno feed to\n");
2611 if (!in_signal_flow) {
2612 uninvolved.push_back (*i);
2616 solo_update_disabled = false;
2617 DEBUG_TRACE (DEBUG::Solo, "propagation complete\n");
2619 update_route_solo_state (r);
2621 /* now notify that the mute state of the routes not involved in the signal
2622 pathway of the just-solo-changed route may have altered.
2625 for (RouteList::iterator i = uninvolved.begin(); i != uninvolved.end(); ++i) {
2626 DEBUG_TRACE (DEBUG::Solo, string_compose ("mute change for %1, which neither feeds or is fed by %2\n", (*i)->name(), route->name()));
2627 (*i)->mute_changed (this);
2630 SoloChanged (); /* EMIT SIGNAL */
2635 Session::update_route_solo_state (boost::shared_ptr<RouteList> r)
2637 /* now figure out if anything that matters is soloed (or is "listening")*/
2639 bool something_soloed = false;
2640 uint32_t listeners = 0;
2641 uint32_t isolated = 0;
2644 r = routes.reader();
2647 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2648 if (!(*i)->is_master() && !(*i)->is_monitor() && !(*i)->is_hidden() && (*i)->self_soloed()) {
2649 something_soloed = true;
2652 if (!(*i)->is_hidden() && (*i)->listening_via_monitor()) {
2653 if (Config->get_solo_control_is_listen_control()) {
2656 (*i)->set_listen (false, this);
2660 if ((*i)->solo_isolated()) {
2665 if (something_soloed != _non_soloed_outs_muted) {
2666 _non_soloed_outs_muted = something_soloed;
2667 SoloActive (_non_soloed_outs_muted); /* EMIT SIGNAL */
2670 _listen_cnt = listeners;
2672 if (isolated != _solo_isolated_cnt) {
2673 _solo_isolated_cnt = isolated;
2674 IsolatedChanged (); /* EMIT SIGNAL */
2677 DEBUG_TRACE (DEBUG::Solo, string_compose ("solo state updated by session, soloed? %1 listeners %2 isolated %3\n",
2678 something_soloed, listeners, isolated));
2681 boost::shared_ptr<RouteList>
2682 Session::get_routes_with_internal_returns() const
2684 boost::shared_ptr<RouteList> r = routes.reader ();
2685 boost::shared_ptr<RouteList> rl (new RouteList);
2687 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2688 if ((*i)->internal_return ()) {
2696 Session::io_name_is_legal (const std::string& name)
2698 boost::shared_ptr<RouteList> r = routes.reader ();
2700 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2701 if ((*i)->name() == name) {
2705 if ((*i)->has_io_processor_named (name)) {
2714 Session::set_exclusive_input_active (boost::shared_ptr<RouteList> rl, bool onoff, bool flip_others)
2717 vector<string> connections;
2719 /* if we are passed only a single route and we're not told to turn
2720 * others off, then just do the simple thing.
2723 if (flip_others == false && rl->size() == 1) {
2724 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (rl->front());
2726 mt->set_input_active (onoff);
2731 for (RouteList::iterator rt = rl->begin(); rt != rl->end(); ++rt) {
2733 PortSet& ps ((*rt)->input()->ports());
2735 for (PortSet::iterator p = ps.begin(); p != ps.end(); ++p) {
2736 p->get_connections (connections);
2739 for (vector<string>::iterator s = connections.begin(); s != connections.end(); ++s) {
2740 routes_using_input_from (*s, rl2);
2743 /* scan all relevant routes to see if others are on or off */
2745 bool others_are_already_on = false;
2747 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
2749 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
2755 if ((*r) != (*rt)) {
2756 if (mt->input_active()) {
2757 others_are_already_on = true;
2760 /* this one needs changing */
2761 mt->set_input_active (onoff);
2767 /* globally reverse other routes */
2769 for (RouteList::iterator r = rl2.begin(); r != rl2.end(); ++r) {
2770 if ((*r) != (*rt)) {
2771 boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (*r);
2773 mt->set_input_active (!others_are_already_on);
2782 Session::routes_using_input_from (const string& str, RouteList& rl)
2784 boost::shared_ptr<RouteList> r = routes.reader();
2786 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2787 if ((*i)->input()->connected_to (str)) {
2793 boost::shared_ptr<Route>
2794 Session::route_by_name (string name)
2796 boost::shared_ptr<RouteList> r = routes.reader ();
2798 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2799 if ((*i)->name() == name) {
2804 return boost::shared_ptr<Route> ((Route*) 0);
2807 boost::shared_ptr<Route>
2808 Session::route_by_id (PBD::ID id)
2810 boost::shared_ptr<RouteList> r = routes.reader ();
2812 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2813 if ((*i)->id() == id) {
2818 return boost::shared_ptr<Route> ((Route*) 0);
2821 boost::shared_ptr<Track>
2822 Session::track_by_diskstream_id (PBD::ID id)
2824 boost::shared_ptr<RouteList> r = routes.reader ();
2826 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2827 boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (*i);
2828 if (t && t->using_diskstream_id (id)) {
2833 return boost::shared_ptr<Track> ();
2836 boost::shared_ptr<Route>
2837 Session::route_by_remote_id (uint32_t id)
2839 boost::shared_ptr<RouteList> r = routes.reader ();
2841 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
2842 if ((*i)->remote_control_id() == id) {
2847 return boost::shared_ptr<Route> ((Route*) 0);
2851 Session::playlist_region_added (boost::weak_ptr<Region> w)
2853 boost::shared_ptr<Region> r = w.lock ();
2858 /* These are the operations that are currently in progress... */
2859 list<GQuark> curr = _current_trans_quarks;
2862 /* ...and these are the operations during which we want to update
2863 the session range location markers.
2866 ops.push_back (Operations::capture);
2867 ops.push_back (Operations::paste);
2868 ops.push_back (Operations::duplicate_region);
2869 ops.push_back (Operations::insert_file);
2870 ops.push_back (Operations::insert_region);
2871 ops.push_back (Operations::drag_region_brush);
2872 ops.push_back (Operations::region_drag);
2873 ops.push_back (Operations::selection_grab);
2874 ops.push_back (Operations::region_fill);
2875 ops.push_back (Operations::fill_selection);
2876 ops.push_back (Operations::create_region);
2877 ops.push_back (Operations::region_copy);
2878 ops.push_back (Operations::fixed_time_region_copy);
2881 /* See if any of the current operations match the ones that we want */
2883 set_intersection (_current_trans_quarks.begin(), _current_trans_quarks.end(), ops.begin(), ops.end(), back_inserter (in));
2885 /* If so, update the session range markers */
2887 maybe_update_session_range (r->position (), r->last_frame ());
2891 /** Update the session range markers if a is before the current start or
2892 * b is after the current end.
2895 Session::maybe_update_session_range (framepos_t a, framepos_t b)
2897 if (_state_of_the_state & Loading) {
2901 if (_session_range_location == 0) {
2903 add_session_range_location (a, b);
2907 if (a < _session_range_location->start()) {
2908 _session_range_location->set_start (a);
2911 if (b > _session_range_location->end()) {
2912 _session_range_location->set_end (b);
2918 Session::playlist_ranges_moved (list<Evoral::RangeMove<framepos_t> > const & ranges)
2920 for (list<Evoral::RangeMove<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
2921 maybe_update_session_range (i->to, i->to + i->length);
2926 Session::playlist_regions_extended (list<Evoral::Range<framepos_t> > const & ranges)
2928 for (list<Evoral::Range<framepos_t> >::const_iterator i = ranges.begin(); i != ranges.end(); ++i) {
2929 maybe_update_session_range (i->from, i->to);
2933 /* Region management */
2935 boost::shared_ptr<Region>
2936 Session::find_whole_file_parent (boost::shared_ptr<Region const> child) const
2938 const RegionFactory::RegionMap& regions (RegionFactory::regions());
2939 RegionFactory::RegionMap::const_iterator i;
2940 boost::shared_ptr<Region> region;
2942 Glib::Threads::Mutex::Lock lm (region_lock);
2944 for (i = regions.begin(); i != regions.end(); ++i) {
2948 if (region->whole_file()) {
2950 if (child->source_equivalent (region)) {
2956 return boost::shared_ptr<Region> ();
2960 Session::destroy_sources (list<boost::shared_ptr<Source> > srcs)
2962 set<boost::shared_ptr<Region> > relevant_regions;
2964 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ++s) {
2965 RegionFactory::get_regions_using_source (*s, relevant_regions);
2968 for (set<boost::shared_ptr<Region> >::iterator r = relevant_regions.begin(); r != relevant_regions.end(); ) {
2969 set<boost::shared_ptr<Region> >::iterator tmp;
2974 playlists->destroy_region (*r);
2975 RegionFactory::map_remove (*r);
2977 (*r)->drop_sources ();
2978 (*r)->drop_references ();
2980 relevant_regions.erase (r);
2985 for (list<boost::shared_ptr<Source> >::iterator s = srcs.begin(); s != srcs.end(); ) {
2988 Glib::Threads::Mutex::Lock ls (source_lock);
2989 /* remove from the main source list */
2990 sources.erase ((*s)->id());
2993 (*s)->mark_for_remove ();
2994 (*s)->drop_references ();
3003 Session::remove_last_capture ()
3005 list<boost::shared_ptr<Source> > srcs;
3007 boost::shared_ptr<RouteList> rl = routes.reader ();
3008 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
3009 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3014 list<boost::shared_ptr<Source> >& l = tr->last_capture_sources();
3017 srcs.insert (srcs.end(), l.begin(), l.end());
3022 destroy_sources (srcs);
3024 save_state (_current_snapshot_name);
3029 /* Source Management */
3032 Session::add_source (boost::shared_ptr<Source> source)
3034 pair<SourceMap::key_type, SourceMap::mapped_type> entry;
3035 pair<SourceMap::iterator,bool> result;
3037 entry.first = source->id();
3038 entry.second = source;
3041 Glib::Threads::Mutex::Lock lm (source_lock);
3042 result = sources.insert (entry);
3045 if (result.second) {
3047 /* yay, new source */
3049 boost::shared_ptr<FileSource> fs = boost::dynamic_pointer_cast<FileSource> (source);
3052 if (!fs->within_session()) {
3053 ensure_search_path_includes (Glib::path_get_dirname (fs->path()), fs->type());
3059 boost::shared_ptr<AudioFileSource> afs;
3061 if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(source)) != 0) {
3062 if (Config->get_auto_analyse_audio()) {
3063 Analyser::queue_source_for_analysis (source, false);
3067 source->DropReferences.connect_same_thread (*this, boost::bind (&Session::remove_source, this, boost::weak_ptr<Source> (source)));
3072 Session::remove_source (boost::weak_ptr<Source> src)
3074 if (_state_of_the_state & Deletion) {
3078 SourceMap::iterator i;
3079 boost::shared_ptr<Source> source = src.lock();
3086 Glib::Threads::Mutex::Lock lm (source_lock);
3088 if ((i = sources.find (source->id())) != sources.end()) {
3093 if (!(_state_of_the_state & InCleanup)) {
3095 /* save state so we don't end up with a session file
3096 referring to non-existent sources.
3099 save_state (_current_snapshot_name);
3103 boost::shared_ptr<Source>
3104 Session::source_by_id (const PBD::ID& id)
3106 Glib::Threads::Mutex::Lock lm (source_lock);
3107 SourceMap::iterator i;
3108 boost::shared_ptr<Source> source;
3110 if ((i = sources.find (id)) != sources.end()) {
3117 boost::shared_ptr<Source>
3118 Session::source_by_path_and_channel (const string& path, uint16_t chn)
3120 Glib::Threads::Mutex::Lock lm (source_lock);
3122 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
3123 boost::shared_ptr<AudioFileSource> afs
3124 = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
3126 if (afs && afs->path() == path && chn == afs->channel()) {
3130 return boost::shared_ptr<Source>();
3134 Session::count_sources_by_origin (const string& path)
3137 Glib::Threads::Mutex::Lock lm (source_lock);
3139 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
3140 boost::shared_ptr<FileSource> fs
3141 = boost::dynamic_pointer_cast<FileSource>(i->second);
3143 if (fs && fs->origin() == path) {
3153 Session::change_source_path_by_name (string path, string oldname, string newname, bool destructive)
3156 string old_basename = PBD::basename_nosuffix (oldname);
3157 string new_legalized = legalize_for_path (newname);
3159 /* note: we know (or assume) the old path is already valid */
3163 /* destructive file sources have a name of the form:
3165 /path/to/Tnnnn-NAME(%[LR])?.wav
3167 the task here is to replace NAME with the new name.
3172 string::size_type dash;
3174 dir = Glib::path_get_dirname (path);
3175 path = Glib::path_get_basename (path);
3177 /* '-' is not a legal character for the NAME part of the path */
3179 if ((dash = path.find_last_of ('-')) == string::npos) {
3183 prefix = path.substr (0, dash);
3187 path += new_legalized;
3188 path += native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
3189 path = Glib::build_filename (dir, path);
3193 /* non-destructive file sources have a name of the form:
3195 /path/to/NAME-nnnnn(%[LR])?.ext
3197 the task here is to replace NAME with the new name.
3202 string::size_type dash;
3203 string::size_type postfix;
3205 dir = Glib::path_get_dirname (path);
3206 path = Glib::path_get_basename (path);
3208 /* '-' is not a legal character for the NAME part of the path */
3210 if ((dash = path.find_last_of ('-')) == string::npos) {
3214 suffix = path.substr (dash+1);
3216 // Suffix is now everything after the dash. Now we need to eliminate
3217 // the nnnnn part, which is done by either finding a '%' or a '.'
3219 postfix = suffix.find_last_of ("%");
3220 if (postfix == string::npos) {
3221 postfix = suffix.find_last_of ('.');
3224 if (postfix != string::npos) {
3225 suffix = suffix.substr (postfix);
3227 error << "Logic error in Session::change_source_path_by_name(), please report" << endl;
3231 const uint32_t limit = 10000;
3232 char buf[PATH_MAX+1];
3234 for (uint32_t cnt = 1; cnt <= limit; ++cnt) {
3236 snprintf (buf, sizeof(buf), "%s-%u%s", newname.c_str(), cnt, suffix.c_str());
3238 if (!matching_unsuffixed_filename_exists_in (dir, buf)) {
3239 path = Glib::build_filename (dir, buf);
3247 fatal << string_compose (_("FATAL ERROR! Could not find a suitable version of %1 for a rename"),
3256 /** Return the full path (in some session directory) for a new within-session source.
3257 * \a name must be a session-unique name that does not contain slashes
3258 * (e.g. as returned by new_*_source_name)
3261 Session::new_source_path_from_name (DataType type, const string& name)
3263 assert(name.find("/") == string::npos);
3265 SessionDirectory sdir(get_best_session_directory_for_new_source());
3268 if (type == DataType::AUDIO) {
3269 p = sdir.sound_path();
3270 } else if (type == DataType::MIDI) {
3271 p = sdir.midi_path();
3273 error << "Unknown source type, unable to create file path" << endmsg;
3277 return Glib::build_filename (p, name);
3281 Session::peak_path (string base) const
3283 return Glib::build_filename (_session_dir->peak_path(), base + peakfile_suffix);
3286 /** Return a unique name based on \a base for a new internal audio source */
3288 Session::new_audio_source_name (const string& base, uint32_t nchan, uint32_t chan, bool destructive)
3291 char buf[PATH_MAX+1];
3292 const uint32_t limit = 10000;
3294 string ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
3297 legalized = legalize_for_path (base);
3299 // Find a "version" of the base name that doesn't exist in any of the possible directories.
3300 for (cnt = (destructive ? ++destructive_index : 1); cnt <= limit; ++cnt) {
3302 vector<space_and_path>::iterator i;
3303 uint32_t existing = 0;
3305 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
3310 snprintf (buf, sizeof(buf), "T%04d-%s%s",
3311 cnt, legalized.c_str(), ext.c_str());
3312 } else if (nchan == 2) {
3314 snprintf (buf, sizeof(buf), "T%04d-%s%%L%s",
3315 cnt, legalized.c_str(), ext.c_str());
3317 snprintf (buf, sizeof(buf), "T%04d-%s%%R%s",
3318 cnt, legalized.c_str(), ext.c_str());
3320 } else if (nchan < 26) {
3321 snprintf (buf, sizeof(buf), "T%04d-%s%%%c%s",
3322 cnt, legalized.c_str(), 'a' + chan, ext.c_str());
3324 snprintf (buf, sizeof(buf), "T%04d-%s%s",
3325 cnt, legalized.c_str(), ext.c_str());
3331 snprintf (buf, sizeof(buf), "%s-%u%s", legalized.c_str(), cnt, ext.c_str());
3332 } else if (nchan == 2) {
3334 snprintf (buf, sizeof(buf), "%s-%u%%L%s", legalized.c_str(), cnt, ext.c_str());
3336 snprintf (buf, sizeof(buf), "%s-%u%%R%s", legalized.c_str(), cnt, ext.c_str());
3338 } else if (nchan < 26) {
3339 snprintf (buf, sizeof(buf), "%s-%u%%%c%s", legalized.c_str(), cnt, 'a' + chan, ext.c_str());
3341 snprintf (buf, sizeof(buf), "%s-%u%s", legalized.c_str(), cnt, ext.c_str());
3345 SessionDirectory sdir((*i).path);
3347 string spath = sdir.sound_path();
3349 /* note that we search *without* the extension so that
3350 we don't end up both "Audio 1-1.wav" and "Audio 1-1.caf"
3351 in the event that this new name is required for
3352 a file format change.
3355 if (matching_unsuffixed_filename_exists_in (spath, buf)) {
3361 if (existing == 0) {
3366 error << string_compose(
3367 _("There are already %1 recordings for %2, which I consider too many."),
3368 limit, base) << endmsg;
3370 throw failed_constructor();
3374 return Glib::path_get_basename (buf);
3377 /** Create a new within-session audio source */
3378 boost::shared_ptr<AudioFileSource>
3379 Session::create_audio_source_for_session (size_t n_chans, string const & n, uint32_t chan, bool destructive)
3381 const string name = new_audio_source_name (n, n_chans, chan, destructive);
3382 const string path = new_source_path_from_name(DataType::AUDIO, name);
3384 return boost::dynamic_pointer_cast<AudioFileSource> (
3385 SourceFactory::createWritable (DataType::AUDIO, *this, path, string(), destructive, frame_rate()));
3388 /** Return a unique name based on \a base for a new internal MIDI source */
3390 Session::new_midi_source_name (const string& base)
3393 char buf[PATH_MAX+1];
3394 const uint32_t limit = 10000;
3398 legalized = legalize_for_path (base);
3400 // Find a "version" of the file name that doesn't exist in any of the possible directories.
3401 for (cnt = 1; cnt <= limit; ++cnt) {
3403 vector<space_and_path>::iterator i;
3404 uint32_t existing = 0;
3406 for (i = session_dirs.begin(); i != session_dirs.end(); ++i) {
3408 SessionDirectory sdir((*i).path);
3410 std::string p = Glib::build_filename (sdir.midi_path(), legalized);
3412 snprintf (buf, sizeof(buf), "%s-%u.mid", p.c_str(), cnt);
3414 if (Glib::file_test (buf, Glib::FILE_TEST_EXISTS)) {
3419 if (existing == 0) {
3424 error << string_compose(
3425 _("There are already %1 recordings for %2, which I consider too many."),
3426 limit, base) << endmsg;
3428 throw failed_constructor();
3432 return Glib::path_get_basename(buf);
3436 /** Create a new within-session MIDI source */
3437 boost::shared_ptr<MidiSource>
3438 Session::create_midi_source_for_session (Track* track, string const & n)
3440 /* try to use the existing write source for the track, to keep numbering sane
3444 /*MidiTrack* mt = dynamic_cast<Track*> (track);
3448 list<boost::shared_ptr<Source> > l = track->steal_write_sources ();
3451 assert (boost::dynamic_pointer_cast<MidiSource> (l.front()));
3452 return boost::dynamic_pointer_cast<MidiSource> (l.front());
3456 const string name = new_midi_source_name (n);
3457 const string path = new_source_path_from_name (DataType::MIDI, name);
3459 return boost::dynamic_pointer_cast<SMFSource> (
3460 SourceFactory::createWritable (
3461 DataType::MIDI, *this, path, string(), false, frame_rate()));
3466 Session::add_playlist (boost::shared_ptr<Playlist> playlist, bool unused)
3468 if (playlist->hidden()) {
3472 playlists->add (playlist);
3475 playlist->release();
3482 Session::remove_playlist (boost::weak_ptr<Playlist> weak_playlist)
3484 if (_state_of_the_state & Deletion) {
3488 boost::shared_ptr<Playlist> playlist (weak_playlist.lock());
3494 playlists->remove (playlist);
3500 Session::set_audition (boost::shared_ptr<Region> r)
3502 pending_audition_region = r;
3503 add_post_transport_work (PostTransportAudition);
3504 _butler->schedule_transport_work ();
3508 Session::audition_playlist ()
3510 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
3511 ev->region.reset ();
3516 Session::non_realtime_set_audition ()
3518 assert (pending_audition_region);
3519 auditioner->audition_region (pending_audition_region);
3520 pending_audition_region.reset ();
3521 AuditionActive (true); /* EMIT SIGNAL */
3525 Session::audition_region (boost::shared_ptr<Region> r)
3527 SessionEvent* ev = new SessionEvent (SessionEvent::Audition, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
3533 Session::cancel_audition ()
3535 if (auditioner->auditioning()) {
3536 auditioner->cancel_audition ();
3537 AuditionActive (false); /* EMIT SIGNAL */
3542 Session::RoutePublicOrderSorter::operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b)
3544 if (a->is_monitor()) {
3547 if (b->is_monitor()) {
3550 return a->order_key (MixerSort) < b->order_key (MixerSort);
3554 Session::is_auditioning () const
3556 /* can be called before we have an auditioner object */
3558 return auditioner->auditioning();
3565 Session::graph_reordered ()
3567 /* don't do this stuff if we are setting up connections
3568 from a set_state() call or creating new tracks. Ditto for deletion.
3571 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress) {
3575 /* every track/bus asked for this to be handled but it was deferred because
3576 we were connecting. do it now.
3579 request_input_change_handling ();
3583 /* force all diskstreams to update their capture offset values to
3584 reflect any changes in latencies within the graph.
3587 boost::shared_ptr<RouteList> rl = routes.reader ();
3588 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
3589 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3591 tr->set_capture_offset ();
3596 /** @return Number of frames that there is disk space available to write,
3599 boost::optional<framecnt_t>
3600 Session::available_capture_duration ()
3602 Glib::Threads::Mutex::Lock lm (space_lock);
3604 if (_total_free_4k_blocks_uncertain) {
3605 return boost::optional<framecnt_t> ();
3608 float sample_bytes_on_disk = 4.0; // keep gcc happy
3610 switch (config.get_native_file_data_format()) {
3612 sample_bytes_on_disk = 4.0;
3616 sample_bytes_on_disk = 3.0;
3620 sample_bytes_on_disk = 2.0;
3624 /* impossible, but keep some gcc versions happy */
3625 fatal << string_compose (_("programming error: %1"),
3626 X_("illegal native file data format"))
3631 double scale = 4096.0 / sample_bytes_on_disk;
3633 if (_total_free_4k_blocks * scale > (double) max_framecnt) {
3634 return max_framecnt;
3637 return (framecnt_t) floor (_total_free_4k_blocks * scale);
3641 Session::add_bundle (boost::shared_ptr<Bundle> bundle)
3644 RCUWriter<BundleList> writer (_bundles);
3645 boost::shared_ptr<BundleList> b = writer.get_copy ();
3646 b->push_back (bundle);
3649 BundleAdded (bundle); /* EMIT SIGNAL */
3655 Session::remove_bundle (boost::shared_ptr<Bundle> bundle)
3657 bool removed = false;
3660 RCUWriter<BundleList> writer (_bundles);
3661 boost::shared_ptr<BundleList> b = writer.get_copy ();
3662 BundleList::iterator i = find (b->begin(), b->end(), bundle);
3664 if (i != b->end()) {
3671 BundleRemoved (bundle); /* EMIT SIGNAL */
3677 boost::shared_ptr<Bundle>
3678 Session::bundle_by_name (string name) const
3680 boost::shared_ptr<BundleList> b = _bundles.reader ();
3682 for (BundleList::const_iterator i = b->begin(); i != b->end(); ++i) {
3683 if ((*i)->name() == name) {
3688 return boost::shared_ptr<Bundle> ();
3692 Session::tempo_map_changed (const PropertyChange&)
3696 playlists->update_after_tempo_map_change ();
3698 _locations->apply (*this, &Session::update_locations_after_tempo_map_change);
3704 Session::update_locations_after_tempo_map_change (Locations::LocationList& loc)
3706 for (Locations::LocationList::iterator i = loc.begin(); i != loc.end(); ++i) {
3707 (*i)->recompute_frames_from_bbt ();
3711 /** Ensures that all buffers (scratch, send, silent, etc) are allocated for
3712 * the given count with the current block size.
3715 Session::ensure_buffers (ChanCount howmany)
3717 BufferManager::ensure_buffers (howmany);
3721 Session::ensure_buffer_set(BufferSet& buffers, const ChanCount& count)
3723 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
3724 buffers.ensure_buffers(*t, count.get(*t), _engine.raw_buffer_size(*t));
3729 Session::next_insert_id ()
3731 /* this doesn't really loop forever. just think about it */
3734 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < insert_bitset.size(); ++n) {
3735 if (!insert_bitset[n]) {
3736 insert_bitset[n] = true;
3742 /* none available, so resize and try again */
3744 insert_bitset.resize (insert_bitset.size() + 16, false);
3749 Session::next_send_id ()
3751 /* this doesn't really loop forever. just think about it */
3754 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < send_bitset.size(); ++n) {
3755 if (!send_bitset[n]) {
3756 send_bitset[n] = true;
3762 /* none available, so resize and try again */
3764 send_bitset.resize (send_bitset.size() + 16, false);
3769 Session::next_aux_send_id ()
3771 /* this doesn't really loop forever. just think about it */
3774 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < aux_send_bitset.size(); ++n) {
3775 if (!aux_send_bitset[n]) {
3776 aux_send_bitset[n] = true;
3782 /* none available, so resize and try again */
3784 aux_send_bitset.resize (aux_send_bitset.size() + 16, false);
3789 Session::next_return_id ()
3791 /* this doesn't really loop forever. just think about it */
3794 for (boost::dynamic_bitset<uint32_t>::size_type n = 0; n < return_bitset.size(); ++n) {
3795 if (!return_bitset[n]) {
3796 return_bitset[n] = true;
3802 /* none available, so resize and try again */
3804 return_bitset.resize (return_bitset.size() + 16, false);
3809 Session::mark_send_id (uint32_t id)
3811 if (id >= send_bitset.size()) {
3812 send_bitset.resize (id+16, false);
3814 if (send_bitset[id]) {
3815 warning << string_compose (_("send ID %1 appears to be in use already"), id) << endmsg;
3817 send_bitset[id] = true;
3821 Session::mark_aux_send_id (uint32_t id)
3823 if (id >= aux_send_bitset.size()) {
3824 aux_send_bitset.resize (id+16, false);
3826 if (aux_send_bitset[id]) {
3827 warning << string_compose (_("aux send ID %1 appears to be in use already"), id) << endmsg;
3829 aux_send_bitset[id] = true;
3833 Session::mark_return_id (uint32_t id)
3835 if (id >= return_bitset.size()) {
3836 return_bitset.resize (id+16, false);
3838 if (return_bitset[id]) {
3839 warning << string_compose (_("return ID %1 appears to be in use already"), id) << endmsg;
3841 return_bitset[id] = true;
3845 Session::mark_insert_id (uint32_t id)
3847 if (id >= insert_bitset.size()) {
3848 insert_bitset.resize (id+16, false);
3850 if (insert_bitset[id]) {
3851 warning << string_compose (_("insert ID %1 appears to be in use already"), id) << endmsg;
3853 insert_bitset[id] = true;
3857 Session::unmark_send_id (uint32_t id)
3859 if (id < send_bitset.size()) {
3860 send_bitset[id] = false;
3865 Session::unmark_aux_send_id (uint32_t id)
3867 if (id < aux_send_bitset.size()) {
3868 aux_send_bitset[id] = false;
3873 Session::unmark_return_id (uint32_t id)
3875 if (id < return_bitset.size()) {
3876 return_bitset[id] = false;
3881 Session::unmark_insert_id (uint32_t id)
3883 if (id < insert_bitset.size()) {
3884 insert_bitset[id] = false;
3889 Session::reset_native_file_format ()
3891 boost::shared_ptr<RouteList> rl = routes.reader ();
3892 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
3893 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
3895 /* don't save state as we do this, there's no point
3898 _state_of_the_state = StateOfTheState (_state_of_the_state|InCleanup);
3899 tr->reset_write_sources (false);
3900 _state_of_the_state = StateOfTheState (_state_of_the_state & ~InCleanup);
3906 Session::route_name_unique (string n) const
3908 boost::shared_ptr<RouteList> r = routes.reader ();
3910 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
3911 if ((*i)->name() == n) {
3920 Session::route_name_internal (string n) const
3922 if (auditioner && auditioner->name() == n) {
3926 if (_click_io && _click_io->name() == n) {
3934 Session::freeze_all (InterThreadInfo& itt)
3936 boost::shared_ptr<RouteList> r = routes.reader ();
3938 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
3940 boost::shared_ptr<Track> t;
3942 if ((t = boost::dynamic_pointer_cast<Track>(*i)) != 0) {
3943 /* XXX this is wrong because itt.progress will keep returning to zero at the start
3953 boost::shared_ptr<Region>
3954 Session::write_one_track (AudioTrack& track, framepos_t start, framepos_t end,
3955 bool /*overwrite*/, vector<boost::shared_ptr<Source> >& srcs,
3956 InterThreadInfo& itt,
3957 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
3960 boost::shared_ptr<Region> result;
3961 boost::shared_ptr<Playlist> playlist;
3962 boost::shared_ptr<AudioFileSource> fsource;
3964 char buf[PATH_MAX+1];
3965 ChanCount diskstream_channels (track.n_channels());
3966 framepos_t position;
3967 framecnt_t this_chunk;
3970 SessionDirectory sdir(get_best_session_directory_for_new_source ());
3971 const string sound_dir = sdir.sound_path();
3972 framepos_t len = end - start;
3973 bool need_block_size_reset = false;
3975 ChanCount const max_proc = track.max_processor_streams ();
3978 error << string_compose (_("Cannot write a range where end <= start (e.g. %1 <= %2)"),
3979 end, start) << endmsg;
3983 const framecnt_t chunk_size = (256 * 1024)/4;
3985 // block all process callback handling
3987 block_processing ();
3989 /* call tree *MUST* hold route_lock */
3991 if ((playlist = track.playlist()) == 0) {
3995 ext = native_header_format_extension (config.get_native_file_header_format(), DataType::AUDIO);
3997 for (uint32_t chan_n = 0; chan_n < diskstream_channels.n_audio(); ++chan_n) {
3999 for (x = 0; x < 99999; ++x) {
4000 snprintf (buf, sizeof(buf), "%s/%s-%d-bounce-%" PRIu32 "%s", sound_dir.c_str(), playlist->name().c_str(), chan_n, x+1, ext.c_str());
4001 if (!Glib::file_test (buf, Glib::FILE_TEST_EXISTS)) {
4007 error << string_compose (_("too many bounced versions of playlist \"%1\""), playlist->name()) << endmsg;
4012 fsource = boost::dynamic_pointer_cast<AudioFileSource> (
4013 SourceFactory::createWritable (DataType::AUDIO, *this, buf, string(), false, frame_rate()));
4016 catch (failed_constructor& err) {
4017 error << string_compose (_("cannot create new audio file \"%1\" for %2"), buf, track.name()) << endmsg;
4021 srcs.push_back (fsource);
4024 /* tell redirects that care that we are about to use a much larger
4025 * blocksize. this will flush all plugins too, so that they are ready
4026 * to be used for this process.
4029 need_block_size_reset = true;
4030 track.set_block_size (chunk_size);
4035 /* create a set of reasonably-sized buffers */
4036 buffers.ensure_buffers (DataType::AUDIO, max_proc.n_audio(), chunk_size);
4037 buffers.set_count (max_proc);
4039 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
4040 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
4042 afs->prepare_for_peakfile_writes ();
4045 while (to_do && !itt.cancel) {
4047 this_chunk = min (to_do, chunk_size);
4049 if (track.export_stuff (buffers, start, this_chunk, endpoint, include_endpoint, for_export)) {
4054 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src, ++n) {
4055 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
4058 if (afs->write (buffers.get_audio(n).data(), this_chunk) != this_chunk) {
4064 start += this_chunk;
4065 to_do -= this_chunk;
4067 itt.progress = (float) (1.0 - ((double) to_do / len));
4076 xnow = localtime (&now);
4078 for (vector<boost::shared_ptr<Source> >::iterator src=srcs.begin(); src != srcs.end(); ++src) {
4079 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
4082 afs->update_header (position, *xnow, now);
4083 afs->flush_header ();
4087 /* construct a region to represent the bounced material */
4091 plist.add (Properties::start, 0);
4092 plist.add (Properties::length, srcs.front()->length(srcs.front()->timeline_position()));
4093 plist.add (Properties::name, region_name_from_path (srcs.front()->name(), true));
4095 result = RegionFactory::create (srcs, plist);
4101 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
4102 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
4105 afs->mark_for_remove ();
4108 (*src)->drop_references ();
4112 for (vector<boost::shared_ptr<Source> >::iterator src = srcs.begin(); src != srcs.end(); ++src) {
4113 boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(*src);
4116 afs->done_with_peakfile_writes ();
4121 if (need_block_size_reset) {
4122 track.set_block_size (get_block_size());
4125 unblock_processing ();
4131 Session::gain_automation_buffer() const
4133 return ProcessThread::gain_automation_buffer ();
4137 Session::send_gain_automation_buffer() const
4139 return ProcessThread::send_gain_automation_buffer ();
4143 Session::pan_automation_buffer() const
4145 return ProcessThread::pan_automation_buffer ();
4149 Session::get_silent_buffers (ChanCount count)
4151 return ProcessThread::get_silent_buffers (count);
4155 Session::get_scratch_buffers (ChanCount count)
4157 return ProcessThread::get_scratch_buffers (count);
4161 Session::get_mix_buffers (ChanCount count)
4163 return ProcessThread::get_mix_buffers (count);
4167 Session::ntracks () const
4170 boost::shared_ptr<RouteList> r = routes.reader ();
4172 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4173 if (boost::dynamic_pointer_cast<Track> (*i)) {
4182 Session::nbusses () const
4185 boost::shared_ptr<RouteList> r = routes.reader ();
4187 for (RouteList::const_iterator i = r->begin(); i != r->end(); ++i) {
4188 if (boost::dynamic_pointer_cast<Track>(*i) == 0) {
4197 Session::add_automation_list(AutomationList *al)
4199 automation_lists[al->id()] = al;
4202 /** @return true if there is at least one record-enabled track, otherwise false */
4204 Session::have_rec_enabled_track () const
4206 return g_atomic_int_get (&_have_rec_enabled_track) == 1;
4209 /** Update the state of our rec-enabled tracks flag */
4211 Session::update_have_rec_enabled_track ()
4213 boost::shared_ptr<RouteList> rl = routes.reader ();
4214 RouteList::iterator i = rl->begin();
4215 while (i != rl->end ()) {
4217 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4218 if (tr && tr->record_enabled ()) {
4225 int const old = g_atomic_int_get (&_have_rec_enabled_track);
4227 g_atomic_int_set (&_have_rec_enabled_track, i != rl->end () ? 1 : 0);
4229 if (g_atomic_int_get (&_have_rec_enabled_track) != old) {
4230 RecordStateChanged (); /* EMIT SIGNAL */
4235 Session::listen_position_changed ()
4237 boost::shared_ptr<RouteList> r = routes.reader ();
4239 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4240 (*i)->listen_position_changed ();
4245 Session::solo_control_mode_changed ()
4247 /* cancel all solo or all listen when solo control mode changes */
4250 set_solo (get_routes(), false);
4251 } else if (listening()) {
4252 set_listen (get_routes(), false);
4256 /** Called when a property of one of our route groups changes */
4258 Session::route_group_property_changed (RouteGroup* rg)
4260 RouteGroupPropertyChanged (rg); /* EMIT SIGNAL */
4263 /** Called when a route is added to one of our route groups */
4265 Session::route_added_to_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
4267 RouteAddedToRouteGroup (rg, r);
4270 /** Called when a route is removed from one of our route groups */
4272 Session::route_removed_from_route_group (RouteGroup* rg, boost::weak_ptr<Route> r)
4274 RouteRemovedFromRouteGroup (rg, r);
4277 boost::shared_ptr<RouteList>
4278 Session::get_routes_with_regions_at (framepos_t const p) const
4280 boost::shared_ptr<RouteList> r = routes.reader ();
4281 boost::shared_ptr<RouteList> rl (new RouteList);
4283 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4284 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4289 boost::shared_ptr<Playlist> pl = tr->playlist ();
4294 if (pl->has_region_at (p)) {
4303 Session::goto_end ()
4305 if (_session_range_location) {
4306 request_locate (_session_range_location->end(), false);
4308 request_locate (0, false);
4313 Session::goto_start ()
4315 if (_session_range_location) {
4316 request_locate (_session_range_location->start(), false);
4318 request_locate (0, false);
4323 Session::current_start_frame () const
4325 return _session_range_location ? _session_range_location->start() : 0;
4329 Session::current_end_frame () const
4331 return _session_range_location ? _session_range_location->end() : 0;
4335 Session::add_session_range_location (framepos_t start, framepos_t end)
4337 _session_range_location = new Location (*this, start, end, _("session"), Location::IsSessionRange);
4338 _locations->add (_session_range_location);
4342 Session::step_edit_status_change (bool yn)
4348 send = (_step_editors == 0);
4353 send = (_step_editors == 1);
4356 if (_step_editors > 0) {
4362 StepEditStatusChange (val);
4368 Session::start_time_changed (framepos_t old)
4370 /* Update the auto loop range to match the session range
4371 (unless the auto loop range has been changed by the user)
4374 Location* s = _locations->session_range_location ();
4379 Location* l = _locations->auto_loop_location ();
4381 if (l && l->start() == old) {
4382 l->set_start (s->start(), true);
4387 Session::end_time_changed (framepos_t old)
4389 /* Update the auto loop range to match the session range
4390 (unless the auto loop range has been changed by the user)
4393 Location* s = _locations->session_range_location ();
4398 Location* l = _locations->auto_loop_location ();
4400 if (l && l->end() == old) {
4401 l->set_end (s->end(), true);
4406 Session::source_search_path (DataType type) const
4410 if (session_dirs.size() == 1) {
4412 case DataType::AUDIO:
4413 s.push_back (_session_dir->sound_path());
4415 case DataType::MIDI:
4416 s.push_back (_session_dir->midi_path());
4420 for (vector<space_and_path>::const_iterator i = session_dirs.begin(); i != session_dirs.end(); ++i) {
4421 SessionDirectory sdir (i->path);
4423 case DataType::AUDIO:
4424 s.push_back (sdir.sound_path());
4426 case DataType::MIDI:
4427 s.push_back (sdir.midi_path());
4433 if (type == DataType::AUDIO) {
4434 const string sound_path_2X = _session_dir->sound_path_2X();
4435 if (Glib::file_test (sound_path_2X, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_DIR)) {
4436 if (find (s.begin(), s.end(), sound_path_2X) == s.end()) {
4437 s.push_back (sound_path_2X);
4442 /* now check the explicit (possibly user-specified) search path
4445 vector<string> dirs;
4448 case DataType::AUDIO:
4449 split (config.get_audio_search_path (), dirs, ':');
4451 case DataType::MIDI:
4452 split (config.get_midi_search_path (), dirs, ':');
4456 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
4457 if (find (s.begin(), s.end(), *i) == s.end()) {
4464 for (vector<string>::iterator si = s.begin(); si != s.end(); ++si) {
4465 if (!search_path.empty()) {
4475 Session::ensure_search_path_includes (const string& path, DataType type)
4478 vector<string> dirs;
4485 case DataType::AUDIO:
4486 search_path = config.get_audio_search_path ();
4488 case DataType::MIDI:
4489 search_path = config.get_midi_search_path ();
4493 split (search_path, dirs, ':');
4495 for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
4496 /* No need to add this new directory if it has the same inode as
4497 an existing one; checking inode rather than name prevents duplicated
4498 directories when we are using symlinks.
4500 On Windows, I think we could just do if (*i == path) here.
4502 if (PBD::equivalent_paths (*i, path)) {
4507 if (!search_path.empty()) {
4511 search_path += path;
4514 case DataType::AUDIO:
4515 config.set_audio_search_path (search_path);
4517 case DataType::MIDI:
4518 config.set_midi_search_path (search_path);
4523 boost::shared_ptr<Speakers>
4524 Session::get_speakers()
4530 Session::unknown_processors () const
4534 boost::shared_ptr<RouteList> r = routes.reader ();
4535 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4536 list<string> t = (*i)->unknown_processors ();
4537 copy (t.begin(), t.end(), back_inserter (p));
4547 Session::update_latency (bool playback)
4549 DEBUG_TRACE (DEBUG::Latency, string_compose ("JACK latency callback: %1\n", (playback ? "PLAYBACK" : "CAPTURE")));
4551 if ((_state_of_the_state & (InitialConnecting|Deletion)) || _adding_routes_in_progress) {
4555 boost::shared_ptr<RouteList> r = routes.reader ();
4556 framecnt_t max_latency = 0;
4559 /* reverse the list so that we work backwards from the last route to run to the first */
4560 RouteList* rl = routes.reader().get();
4561 r.reset (new RouteList (*rl));
4562 reverse (r->begin(), r->end());
4565 /* compute actual latency values for the given direction and store them all in per-port
4566 structures. this will also publish the same values (to JACK) so that computation of latency
4567 for routes can consistently use public latency values.
4570 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4571 max_latency = max (max_latency, (*i)->set_private_port_latencies (playback));
4574 /* because we latency compensate playback, our published playback latencies should
4575 be the same for all output ports - all material played back by ardour has
4576 the same latency, whether its caused by plugins or by latency compensation. since
4577 these may differ from the values computed above, reset all playback port latencies
4581 DEBUG_TRACE (DEBUG::Latency, string_compose ("Set public port latencies to %1\n", max_latency));
4583 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4584 (*i)->set_public_port_latencies (max_latency, playback);
4589 post_playback_latency ();
4593 post_capture_latency ();
4596 DEBUG_TRACE (DEBUG::Latency, "JACK latency callback: DONE\n");
4600 Session::post_playback_latency ()
4602 set_worst_playback_latency ();
4604 boost::shared_ptr<RouteList> r = routes.reader ();
4606 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4607 if (!(*i)->is_hidden() && ((*i)->active())) {
4608 _worst_track_latency = max (_worst_track_latency, (*i)->update_signal_latency ());
4612 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4613 (*i)->set_latency_compensation (_worst_track_latency);
4618 Session::post_capture_latency ()
4620 set_worst_capture_latency ();
4622 /* reflect any changes in capture latencies into capture offsets
4625 boost::shared_ptr<RouteList> rl = routes.reader();
4626 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
4627 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4629 tr->set_capture_offset ();
4635 Session::initialize_latencies ()
4638 Glib::Threads::Mutex::Lock lm (_engine.process_lock());
4639 update_latency (false);
4640 update_latency (true);
4643 set_worst_io_latencies ();
4647 Session::set_worst_io_latencies ()
4649 set_worst_playback_latency ();
4650 set_worst_capture_latency ();
4654 Session::set_worst_playback_latency ()
4656 if (_state_of_the_state & (InitialConnecting|Deletion)) {
4660 _worst_output_latency = 0;
4662 if (!_engine.connected()) {
4666 boost::shared_ptr<RouteList> r = routes.reader ();
4668 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4669 _worst_output_latency = max (_worst_output_latency, (*i)->output()->latency());
4672 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst output latency: %1\n", _worst_output_latency));
4676 Session::set_worst_capture_latency ()
4678 if (_state_of_the_state & (InitialConnecting|Deletion)) {
4682 _worst_input_latency = 0;
4684 if (!_engine.connected()) {
4688 boost::shared_ptr<RouteList> r = routes.reader ();
4690 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4691 _worst_input_latency = max (_worst_input_latency, (*i)->input()->latency());
4694 DEBUG_TRACE (DEBUG::Latency, string_compose ("Worst input latency: %1\n", _worst_input_latency));
4698 Session::update_latency_compensation (bool force_whole_graph)
4700 bool some_track_latency_changed = false;
4702 if (_state_of_the_state & (InitialConnecting|Deletion)) {
4706 DEBUG_TRACE(DEBUG::Latency, "---------------------------- update latency compensation\n\n");
4708 _worst_track_latency = 0;
4710 boost::shared_ptr<RouteList> r = routes.reader ();
4712 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4713 if (!(*i)->is_hidden() && ((*i)->active())) {
4715 if ((*i)->signal_latency () != (tl = (*i)->update_signal_latency ())) {
4716 some_track_latency_changed = true;
4718 _worst_track_latency = max (tl, _worst_track_latency);
4722 DEBUG_TRACE (DEBUG::Latency, string_compose ("worst signal processing latency: %1 (changed ? %2)\n", _worst_track_latency,
4723 (some_track_latency_changed ? "yes" : "no")));
4725 DEBUG_TRACE(DEBUG::Latency, "---------------------------- DONE update latency compensation\n\n");
4727 if (some_track_latency_changed || force_whole_graph) {
4728 _engine.update_latencies ();
4732 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
4733 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
4737 tr->set_capture_offset ();
4742 Session::session_name_is_legal (const string& path)
4744 char illegal_chars[] = { '/', '\\', ':', ';', '\0' };
4746 for (int i = 0; illegal_chars[i]; ++i) {
4747 if (path.find (illegal_chars[i]) != string::npos) {
4748 return illegal_chars[i];
4756 Session::next_control_id () const
4760 /* the monitor bus remote ID is in a different
4761 * "namespace" than regular routes. its existence doesn't
4762 * affect normal (low) numbered routes.
4769 return nroutes() - subtract;
4773 Session::notify_remote_id_change ()
4775 if (deletion_in_progress()) {
4779 switch (Config->get_remote_model()) {
4782 Route::RemoteControlIDChange (); /* EMIT SIGNAL */
4790 Session::sync_order_keys (RouteSortOrderKey sort_key_changed)
4792 if (deletion_in_progress()) {
4796 /* tell everyone that something has happened to the sort keys
4797 and let them sync up with the change(s)
4798 this will give objects that manage the sort order keys the
4799 opportunity to keep them in sync if they wish to.
4802 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("Sync Order Keys, based on %1\n", enum_2_string (sort_key_changed)));
4804 Route::SyncOrderKeys (sort_key_changed); /* EMIT SIGNAL */
4806 DEBUG_TRACE (DEBUG::OrderKeys, "\tsync done\n");
4810 Session::operation_in_progress (GQuark op) const
4812 return (find (_current_trans_quarks.begin(), _current_trans_quarks.end(), op) != _current_trans_quarks.end());
4815 boost::shared_ptr<Port>
4816 Session::ltc_input_port () const
4818 return _ltc_input->nth (0);
4821 boost::shared_ptr<Port>
4822 Session::ltc_output_port () const
4824 return _ltc_output->nth (0);
4828 Session::reconnect_ltc_input ()
4832 string src = Config->get_ltc_source_port();
4834 _ltc_input->disconnect (this);
4836 if (src != _("None") && !src.empty()) {
4837 _ltc_input->nth (0)->connect (src);
4843 Session::reconnect_ltc_output ()
4848 string src = Config->get_ltc_sink_port();
4850 _ltc_output->disconnect (this);
4852 if (src != _("None") && !src.empty()) {
4853 _ltc_output->nth (0)->connect (src);