2 Copyright (C) 2000 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.
20 #ifndef __ardour_session_h__
21 #define __ardour_session_h__
23 #include "libardour-config.h"
32 #include <boost/dynamic_bitset.hpp>
33 #include <boost/scoped_ptr.hpp>
34 #include <boost/weak_ptr.hpp>
35 #include <boost/utility.hpp>
37 #include <glibmm/threads.h>
39 #include "pbd/error.h"
40 #include "pbd/event_loop.h"
42 #include "pbd/statefuldestructible.h"
43 #include "pbd/signals.h"
46 #include "evoral/types.hpp"
48 #include "midi++/types.h"
50 #include "timecode/time.h"
53 #include "ardour/ardour.h"
54 #include "ardour/chan_count.h"
55 #include "ardour/delivery.h"
56 #include "ardour/interthread_info.h"
57 #include "ardour/rc_configuration.h"
58 #include "ardour/session_configuration.h"
59 #include "ardour/session_event.h"
60 #include "ardour/location.h"
61 #include "ardour/interpolation.h"
62 #include "ardour/route_graph.h"
64 #ifdef HAVE_JACK_SESSION
65 #include <jack/session.h>
72 typedef struct _AEffect AEffect;
82 class ControllableDescriptor;
93 class AudioFileSource;
111 class MidiClockTicker;
129 class SessionDirectory;
130 class SessionMetadata;
131 class SessionPlaylists;
137 class WindowsVSTPlugin;
139 extern void setup_enum_writer ();
141 class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager
150 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
151 the bus profile can be null if no master out bus is required.
154 Session (AudioEngine&,
155 const std::string& fullpath,
156 const std::string& snapshot_name,
157 BusProfile* bus_profile = 0,
158 std::string mix_template = "");
162 std::string path() const { return _path; }
163 std::string name() const { return _name; }
164 std::string snap_name() const { return _current_snapshot_name; }
165 std::string raid_path () const;
166 bool path_is_within_session (const std::string&);
168 void set_snap_name ();
170 bool writable() const { return _writable; }
173 bool dirty() const { return _state_of_the_state & Dirty; }
174 void set_deletion_in_progress ();
175 void clear_deletion_in_progress ();
176 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
177 PBD::Signal0<void> DirtyChanged;
179 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
181 static PBD::Signal1<void,std::string> Dialog;
183 int ensure_subdirs ();
185 std::string automation_dir () const; ///< Automation data
186 std::string analysis_dir () const; ///< Analysis data
187 std::string plugins_dir () const; ///< Plugin state
188 std::string externals_dir () const; ///< Links to external files
190 std::string peak_path (std::string) const;
192 std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
194 std::string peak_path_from_audio_path (std::string) const;
195 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
196 std::string new_midi_source_name (const std::string&);
197 std::string new_source_path_from_name (DataType type, const std::string&);
198 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name);
200 void process (pframes_t nframes);
202 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
203 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true );
204 BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
205 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
207 bool have_rec_enabled_track () const;
209 bool have_captured() const { return _have_captured; }
211 void refill_all_track_buffers ();
212 Butler* butler() { return _butler; }
213 void butler_transport_work ();
215 void refresh_disk_space ();
217 int load_diskstreams_2X (XMLNode const &, int);
219 int load_routes (const XMLNode&, int);
220 boost::shared_ptr<RouteList> get_routes() const {
221 return routes.reader ();
224 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
226 boost::shared_ptr<RouteList> get_routes_with_regions_at (framepos_t const) const;
228 uint32_t nroutes() const { return routes.reader()->size(); }
229 uint32_t ntracks () const;
230 uint32_t nbusses () const;
232 boost::shared_ptr<BundleList> bundles () {
233 return _bundles.reader ();
236 struct RoutePublicOrderSorter {
237 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
240 void notify_remote_id_change ();
241 void sync_order_keys (RouteSortOrderKey);
243 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
244 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
245 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
247 static char session_name_is_legal (const std::string&);
248 bool io_name_is_legal (const std::string&);
249 boost::shared_ptr<Route> route_by_name (std::string);
250 boost::shared_ptr<Route> route_by_id (PBD::ID);
251 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
252 boost::shared_ptr<Track> track_by_diskstream_id (PBD::ID);
253 void routes_using_input_from (const std::string& str, RouteList& rl);
255 bool route_name_unique (std::string) const;
256 bool route_name_internal (std::string) const;
258 bool get_record_enabled() const {
259 return (record_status () >= Enabled);
262 RecordState record_status() const {
263 return (RecordState) g_atomic_int_get (&_record_status);
266 bool actively_recording () const {
267 return record_status() == Recording;
270 bool record_enabling_legal () const;
271 void maybe_enable_record ();
272 void disable_record (bool rt_context, bool force = false);
273 void step_back_from_record ();
275 void maybe_write_autosave ();
277 /* Emitted when all i/o connections are complete */
279 PBD::Signal0<void> IOConnectionsComplete;
281 /* Record status signals */
283 PBD::Signal0<void> RecordStateChanged;
285 /* Transport mechanism signals */
287 /** Emitted on the following changes in transport state:
288 * - stop (from the butler thread)
289 * - change in whether or not we are looping (from the process thread)
290 * - change in the play range (from the process thread)
291 * - start (from the process thread)
294 PBD::Signal0<void> TransportStateChange;
296 PBD::Signal1<void,framepos_t> PositionChanged; /* sent after any non-sequential motion */
297 PBD::Signal1<void,framepos_t> Xrun;
298 PBD::Signal0<void> TransportLooped;
300 /** emitted when a locate has occurred */
301 PBD::Signal0<void> Located;
303 PBD::Signal1<void,RouteList&> RouteAdded;
304 /** Emitted when a property of one of our route groups changes.
305 * The parameter is the RouteGroup that has changed.
307 PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
308 /** Emitted when a route is added to one of our route groups.
309 * First parameter is the RouteGroup, second is the route.
311 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
312 /** Emitted when a route is removed from one of our route groups.
313 * First parameter is the RouteGroup, second is the route.
315 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
317 /* Step Editing status changed */
318 PBD::Signal1<void,bool> StepEditStatusChange;
320 void queue_event (SessionEvent*);
322 void request_roll_at_and_return (framepos_t start, framepos_t return_to);
323 void request_bounded_roll (framepos_t start, framepos_t end);
324 void request_stop (bool abort = false, bool clear_state = false);
325 void request_locate (framepos_t frame, bool with_roll = false);
327 void request_play_loop (bool yn, bool leave_rolling = false);
328 bool get_play_loop () const { return play_loop; }
330 framepos_t last_transport_start () const { return _last_roll_location; }
333 void use_rf_shuttle_speed ();
334 void allow_auto_play (bool yn);
335 void request_transport_speed (double speed, bool as_default = false);
336 void request_transport_speed_nonzero (double, bool as_default = false);
337 void request_overwrite_buffer (Track *);
338 void adjust_playback_buffering();
339 void adjust_capture_buffering();
340 void request_track_speed (Track *, double speed);
341 void request_input_change_handling ();
343 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
344 bool transport_locked () const;
348 framepos_t current_end_frame () const;
349 framepos_t current_start_frame () const;
350 /** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
351 framecnt_t frame_rate () const { return _current_frame_rate; }
352 /** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
353 framecnt_t nominal_frame_rate () const { return _nominal_frame_rate; }
354 framecnt_t frames_per_hour () const { return _frames_per_hour; }
356 double frames_per_timecode_frame() const { return _frames_per_timecode_frame; }
357 framecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
359 MIDI::byte get_mtc_timecode_bits() const {
360 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
363 double timecode_frames_per_second() const;
364 bool timecode_drop_frames() const;
368 Locations *locations() { return _locations; }
370 PBD::Signal1<void,Location*> auto_loop_location_changed;
371 PBD::Signal1<void,Location*> auto_punch_location_changed;
372 PBD::Signal0<void> locations_modified;
374 void set_auto_punch_location (Location *);
375 void set_auto_loop_location (Location *);
376 int location_name(std::string& result, std::string base = std::string(""));
378 pframes_t get_block_size() const { return current_block_size; }
379 framecnt_t worst_output_latency () const { return _worst_output_latency; }
380 framecnt_t worst_input_latency () const { return _worst_input_latency; }
381 framecnt_t worst_track_latency () const { return _worst_track_latency; }
382 framecnt_t worst_playback_latency () const { return _worst_output_latency + _worst_track_latency; }
384 #ifdef HAVE_JACK_SESSION
385 void jack_session_event (jack_session_event_t* event);
387 int save_state (std::string snapshot_name, bool pending = false, bool switch_to_snapshot = false);
388 int restore_state (std::string snapshot_name);
389 int save_template (std::string template_name);
390 int save_history (std::string snapshot_name = "");
391 int restore_history (std::string snapshot_name);
392 void remove_state (std::string snapshot_name);
393 void rename_state (std::string old_name, std::string new_name);
394 void remove_pending_capture_state ();
395 int rename (const std::string&);
396 bool get_nsm_state () const { return _under_nsm_control; }
397 void set_nsm_state (bool state) { _under_nsm_control = state; }
399 PBD::Signal1<void,std::string> StateSaved;
400 PBD::Signal0<void> StateReady;
401 PBD::Signal0<void> SaveSession;
403 std::vector<std::string*>* possible_states() const;
404 static std::vector<std::string*>* possible_states (std::string path);
406 XMLNode& get_state();
407 int set_state(const XMLNode& node, int version); // not idempotent
408 XMLNode& get_template();
410 /// The instant xml file is written to the session directory
411 void add_instant_xml (XMLNode&, bool write_to_config = true);
412 XMLNode* instant_xml (const std::string& str);
414 enum StateOfTheState {
419 InitialConnecting = 0x8,
424 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
426 void add_route_group (RouteGroup *);
427 void remove_route_group (RouteGroup&);
428 void reorder_route_groups (std::list<RouteGroup*>);
430 RouteGroup* route_group_by_name (std::string);
431 RouteGroup& all_route_group() const;
433 PBD::Signal1<void,RouteGroup*> route_group_added;
434 PBD::Signal0<void> route_group_removed;
435 PBD::Signal0<void> route_groups_reordered;
437 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
438 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
443 std::list<RouteGroup*> const & route_groups () const {
444 return _route_groups;
447 /* fundamental operations. duh. */
449 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
452 TrackMode mode = Normal,
453 RouteGroup* route_group = 0,
454 uint32_t how_many = 1,
455 std::string name_template = ""
458 RouteList new_audio_route (
459 int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, std::string name_template = ""
462 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
463 const ChanCount& input, const ChanCount& output,
464 boost::shared_ptr<PluginInfo> instrument = boost::shared_ptr<PluginInfo>(),
465 TrackMode mode = Normal,
466 RouteGroup* route_group = 0, uint32_t how_many = 1, std::string name_template = ""
469 void remove_route (boost::shared_ptr<Route>);
470 void resort_routes ();
471 void resort_routes_using (boost::shared_ptr<RouteList>);
473 AudioEngine & engine() { return _engine; }
474 AudioEngine const & engine () const { return _engine; }
478 framepos_t transport_frame () const {return _transport_frame; }
479 framepos_t audible_frame () const;
480 framepos_t requested_return_frame() const { return _requested_return_frame; }
494 void sync_time_vars();
496 void bbt_time (framepos_t when, Timecode::BBT_Time&);
497 void timecode_to_sample(Timecode::Time& timecode, framepos_t& sample, bool use_offset, bool use_subframes) const;
498 void sample_to_timecode(framepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
499 void timecode_time (Timecode::Time &);
500 void timecode_time (framepos_t when, Timecode::Time&);
501 void timecode_time_subframes (framepos_t when, Timecode::Time&);
503 void timecode_duration (framecnt_t, Timecode::Time&) const;
504 void timecode_duration_string (char *, framecnt_t) const;
506 framecnt_t convert_to_frames (AnyTime const & position);
507 framecnt_t any_duration_to_frames (framepos_t position, AnyTime const & duration);
509 static PBD::Signal1<void, framepos_t> StartTimeChanged;
510 static PBD::Signal1<void, framepos_t> EndTimeChanged;
512 void request_sync_source (Slave*);
513 bool synced_to_jack() const { return config.get_external_sync() && Config->get_sync_source() == JACK; }
515 double transport_speed() const { return _transport_speed; }
516 bool transport_stopped() const { return _transport_speed == 0.0f; }
517 bool transport_rolling() const { return _transport_speed != 0.0f; }
519 void set_silent (bool yn);
520 bool silent () { return _silent; }
522 TempoMap& tempo_map() { return *_tempo_map; }
526 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
528 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
530 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
531 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
532 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
534 /* source management */
536 void import_files (ImportStatus&);
537 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
538 std::string build_tmp_convert_name (std::string file);
540 boost::shared_ptr<ExportHandler> get_export_handler ();
541 boost::shared_ptr<ExportStatus> get_export_status ();
543 int start_audio_export (framepos_t position);
545 PBD::Signal1<int, framecnt_t> ProcessExport;
546 static PBD::Signal2<void,std::string, std::string> Exported;
548 void add_source (boost::shared_ptr<Source>);
549 void remove_source (boost::weak_ptr<Source>);
551 void cleanup_regions();
552 int cleanup_sources (CleanupReport&);
553 int cleanup_trash_sources (CleanupReport&);
555 int destroy_sources (std::list<boost::shared_ptr<Source> >);
557 int remove_last_capture ();
559 /** handlers should return -1 for "stop cleanup",
560 0 for "yes, delete this playlist",
561 1 for "no, don't delete this playlist".
563 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
565 /** handlers should return 0 for "ignore the rate mismatch",
566 !0 for "do not use this session"
568 static PBD::Signal2<int, framecnt_t, framecnt_t> AskAboutSampleRateMismatch;
570 /** handlers should return !0 for use pending state, 0 for ignore it.
572 static PBD::Signal0<int> AskAboutPendingState;
574 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
575 size_t, std::string const &, uint32_t, bool destructive);
577 boost::shared_ptr<MidiSource> create_midi_source_for_session (
578 Track*, std::string const &);
580 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
581 boost::shared_ptr<Source> source_by_path_and_channel (const std::string&, uint16_t);
582 uint32_t count_sources_by_origin (const std::string&);
584 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
586 /* Curves and AutomationLists (TODO when they go away) */
587 void add_automation_list(AutomationList*);
591 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
592 void audition_playlist ();
593 void audition_region (boost::shared_ptr<Region>);
594 void cancel_audition ();
595 bool is_auditioning () const;
597 PBD::Signal1<void,bool> AuditionActive;
599 /* flattening stuff */
601 boost::shared_ptr<Region> write_one_track (AudioTrack&, framepos_t start, framepos_t end,
602 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
603 boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export);
604 int freeze_all (InterThreadInfo&);
606 /* session-wide solo/mute/rec-enable */
608 bool soloing() const { return _non_soloed_outs_muted; }
609 bool listening() const { return _listen_cnt > 0; }
610 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
612 static const SessionEvent::RTeventCallback rt_cleanup;
614 void set_solo (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
615 void set_just_one_solo (boost::shared_ptr<Route>, bool, SessionEvent::RTeventCallback after = rt_cleanup);
616 void cancel_solo_after_disconnect (boost::shared_ptr<Route>, bool upstream, SessionEvent::RTeventCallback after = rt_cleanup);
617 void set_mute (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
618 void set_listen (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
619 void set_record_enabled (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
620 void set_solo_isolated (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
621 void set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
622 void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others=false);
624 PBD::Signal1<void,bool> SoloActive;
625 PBD::Signal0<void> SoloChanged;
626 PBD::Signal0<void> IsolatedChanged;
628 /* monitor/master out */
630 void add_monitor_section ();
631 void remove_monitor_section ();
633 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
634 boost::shared_ptr<Route> master_out() const { return _master_out; }
636 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
637 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
638 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
639 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
640 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
641 void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
642 void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
644 static void set_disable_all_loaded_plugins (bool yn) {
645 _disable_all_loaded_plugins = yn;
647 static bool get_disable_all_loaded_plugins() {
648 return _disable_all_loaded_plugins;
651 uint32_t next_send_id();
652 uint32_t next_aux_send_id();
653 uint32_t next_return_id();
654 uint32_t next_insert_id();
655 void mark_send_id (uint32_t);
656 void mark_aux_send_id (uint32_t);
657 void mark_return_id (uint32_t);
658 void mark_insert_id (uint32_t);
659 void unmark_send_id (uint32_t);
660 void unmark_aux_send_id (uint32_t);
661 void unmark_return_id (uint32_t);
662 void unmark_insert_id (uint32_t);
664 /* s/w "RAID" management */
666 boost::optional<framecnt_t> available_capture_duration();
670 void add_bundle (boost::shared_ptr<Bundle>);
671 void remove_bundle (boost::shared_ptr<Bundle>);
672 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
674 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleAdded;
675 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleRemoved;
679 /* History (for editors, mixers, UIs etc.) */
681 /** Undo some transactions.
682 * @param n Number of transactions to undo.
684 void undo (uint32_t n) {
688 void redo (uint32_t n) {
692 UndoHistory& history() { return _history; }
694 uint32_t undo_depth() const { return _history.undo_depth(); }
695 uint32_t redo_depth() const { return _history.redo_depth(); }
696 std::string next_undo() const { return _history.next_undo(); }
697 std::string next_redo() const { return _history.next_redo(); }
699 void begin_reversible_command (const std::string& cmd_name);
700 void begin_reversible_command (GQuark);
701 void commit_reversible_command (Command* cmd = 0);
703 void add_command (Command *const cmd) {
704 assert (_current_trans);
705 _current_trans->add_command (cmd);
708 /** @return The list of operations that are currently in progress */
709 std::list<GQuark> const & current_operations () {
710 return _current_trans_quarks;
713 bool operation_in_progress (GQuark) const;
715 void add_commands (std::vector<Command*> const & cmds);
717 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
719 // these commands are implemented in libs/ardour/session_command.cc
720 Command* memento_command_factory(XMLNode* n);
721 Command* stateful_diff_command_factory (XMLNode *);
722 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
726 boost::shared_ptr<IO> click_io() { return _click_io; }
727 boost::shared_ptr<Amp> click_gain() { return _click_gain; }
729 /* disk, buffer loads */
731 uint32_t playback_load ();
732 uint32_t capture_load ();
736 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
737 bool get_play_range () const { return _play_range; }
739 void maybe_update_session_range (framepos_t, framepos_t);
741 /* buffers for gain and pan */
743 gain_t* gain_automation_buffer () const;
744 gain_t* send_gain_automation_buffer () const;
745 pan_t** pan_automation_buffer () const;
747 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
751 static intptr_t vst_callback (
760 static PBD::Signal0<void> SendFeedback;
764 boost::shared_ptr<Speakers> get_speakers ();
768 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
769 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const PBD::ControllableDescriptor&);
771 void add_controllable (boost::shared_ptr<PBD::Controllable>);
772 void remove_controllable (PBD::Controllable*);
774 boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
776 SessionConfiguration config;
778 bool exporting () const {
782 /* this is a private enum, but setup_enum_writer() needs it,
783 and i can't find a way to give that function
787 enum PostTransportWork {
788 PostTransportStop = 0x1,
789 PostTransportDuration = 0x2,
790 PostTransportLocate = 0x4,
791 PostTransportRoll = 0x8,
792 PostTransportAbort = 0x10,
793 PostTransportOverWrite = 0x20,
794 PostTransportSpeed = 0x40,
795 PostTransportAudition = 0x80,
796 PostTransportReverse = 0x100,
797 PostTransportInputChange = 0x200,
798 PostTransportCurveRealloc = 0x400,
799 PostTransportClearSubstate = 0x800,
800 PostTransportAdjustPlaybackBuffering = 0x1000,
801 PostTransportAdjustCaptureBuffering = 0x2000
810 SlaveState slave_state() const { return _slave_state; }
811 Slave* slave() const { return _slave; }
813 boost::shared_ptr<SessionPlaylists> playlists;
815 void send_mmc_locate (framepos_t);
816 int send_full_time_code (framepos_t);
817 void send_song_position_pointer (framepos_t);
819 bool step_editing() const { return (_step_editors > 0); }
821 void request_suspend_timecode_transmission ();
822 void request_resume_timecode_transmission ();
823 bool timecode_transmission_suspended () const;
825 std::string source_search_path(DataType) const;
826 void ensure_search_path_includes (const std::string& path, DataType type);
828 std::list<std::string> unknown_processors () const;
830 /** Emitted when a feedback cycle has been detected within Ardour's signal
831 processing path. Until it is fixed (by the user) some (unspecified)
832 routes will not be run.
834 static PBD::Signal0<void> FeedbackDetected;
836 /** Emitted when a graph sort has successfully completed, which means
837 that it has no feedback cycles.
839 static PBD::Signal0<void> SuccessfulGraphSort;
841 /* handlers can return an integer value:
842 0: config.set_audio_search_path() or config.set_midi_search_path() was used
843 to modify the search path and we should try to find it again.
844 1: quit entire session load
845 2: as 0, but don't ask about other missing files
846 3: don't ask about other missing files, and just mark this one missing
847 -1: just mark this one missing
848 any other value: as -1
850 static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
852 /** Emitted when the session wants Ardour to quit */
853 static PBD::Signal0<void> Quit;
855 /** Emitted when Ardour is asked to load a session in an older session
856 * format, and makes a backup copy.
858 static PBD::Signal2<void,std::string,std::string> VersionMismatch;
860 boost::shared_ptr<Port> ltc_input_port() const;
861 boost::shared_ptr<Port> ltc_output_port() const;
863 boost::shared_ptr<IO> ltc_input_io() { return _ltc_input; }
864 boost::shared_ptr<IO> ltc_output_io() { return _ltc_output; }
867 friend class AudioEngine;
868 void set_block_size (pframes_t nframes);
869 void set_frame_rate (framecnt_t nframes);
873 void schedule_curve_reallocation ();
874 void update_latency_compensation (bool force = false);
877 int create (const std::string& mix_template, BusProfile*);
881 PendingDeclickIn = 0x1, ///< pending de-click fade-in for start
882 PendingDeclickOut = 0x2, ///< pending de-click fade-out for stop
883 StopPendingCapture = 0x4,
884 PendingLoopDeclickIn = 0x8, ///< pending de-click fade-in at the start of a loop
885 PendingLoopDeclickOut = 0x10, ///< pending de-click fade-out at the end of a loop
886 PendingLocate = 0x20,
889 /* stuff used in process() should be close together to
893 typedef void (Session::*process_function_type)(pframes_t);
895 AudioEngine& _engine;
896 mutable gint processing_prohibited;
897 process_function_type process_function;
898 process_function_type last_process_function;
899 bool waiting_for_sync_offset;
900 framecnt_t _base_frame_rate;
901 framecnt_t _current_frame_rate; //this includes video pullup offset
902 framecnt_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
903 int transport_sub_state;
904 mutable gint _record_status;
905 framepos_t _transport_frame;
906 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
910 // varispeed playback
911 double _transport_speed;
912 double _default_transport_speed;
913 double _last_transport_speed;
914 double _target_transport_speed;
915 CubicInterpolation interpolation;
917 bool auto_play_legal;
918 framepos_t _last_slave_transport_frame;
919 framecnt_t maximum_output_latency;
920 framepos_t _requested_return_frame;
921 pframes_t current_block_size;
922 framecnt_t _worst_output_latency;
923 framecnt_t _worst_input_latency;
924 framecnt_t _worst_track_latency;
927 float _meter_falloff;
928 bool _non_soloed_outs_muted;
929 uint32_t _listen_cnt;
930 uint32_t _solo_isolated_cnt;
933 bool _under_nsm_control;
935 void initialize_latencies ();
936 void set_worst_io_latencies ();
937 void set_worst_playback_latency ();
938 void set_worst_capture_latency ();
939 void set_worst_io_latencies_x (IOChange, void *) {
940 set_worst_io_latencies ();
942 void post_capture_latency ();
943 void post_playback_latency ();
945 void update_latency_compensation_proxy (void* ignored);
947 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
949 void process_scrub (pframes_t);
950 void process_without_events (pframes_t);
951 void process_with_events (pframes_t);
952 void process_audition (pframes_t);
953 int process_export (pframes_t);
954 int process_export_fw (pframes_t);
956 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
957 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
958 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
962 static const int delta_accumulator_size = 25;
963 int delta_accumulator_cnt;
964 int32_t delta_accumulator[delta_accumulator_size];
965 int32_t average_slave_delta;
967 bool have_first_delta_accumulator;
969 SlaveState _slave_state;
970 framepos_t slave_wait_end;
972 void reset_slave_state ();
973 bool follow_slave (pframes_t);
974 void calculate_moving_average_of_slave_delta (int dir, framecnt_t this_delta);
975 void track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta);
976 void follow_slave_silently (pframes_t nframes, float slave_speed);
978 void switch_to_sync_source (SyncSource); /* !RT context */
979 void drop_sync_source (); /* !RT context */
980 void use_sync_source (Slave*); /* RT context */
982 bool post_export_sync;
983 framepos_t post_export_position;
986 bool _export_started;
987 bool _export_rolling;
989 boost::shared_ptr<ExportHandler> export_handler;
990 boost::shared_ptr<ExportStatus> export_status;
993 int stop_audio_export ();
994 void finalize_audio_export ();
995 void finalize_export_internal (bool stop_freewheel);
996 bool _pre_export_mmc_enabled;
998 PBD::ScopedConnection export_freewheel_connection;
1000 void get_track_statistics ();
1001 int process_routes (pframes_t, bool& need_butler);
1002 int silent_process_routes (pframes_t, bool& need_butler);
1004 /** @return 1 if there is a pending declick fade-in,
1005 -1 if there is a pending declick fade-out,
1006 0 if there is no pending declick.
1008 int get_transport_declick_required () {
1009 if (transport_sub_state & PendingDeclickIn) {
1010 transport_sub_state &= ~PendingDeclickIn;
1012 } else if (transport_sub_state & PendingDeclickOut) {
1013 /* XXX: not entirely sure why we don't clear this */
1015 } else if (transport_sub_state & PendingLoopDeclickOut) {
1016 /* Return the declick out first ... */
1017 transport_sub_state &= ~PendingLoopDeclickOut;
1019 } else if (transport_sub_state & PendingLoopDeclickIn) {
1020 /* ... then the declick in on the next call */
1021 transport_sub_state &= ~PendingLoopDeclickIn;
1028 bool maybe_stop (framepos_t limit);
1029 bool maybe_sync_start (pframes_t &);
1031 void check_declick_out ();
1037 /** Number of process frames since the last MTC output (when sending MTC); used to
1038 * know when to send full MTC messages every so often.
1040 pframes_t _pframes_since_last_mtc;
1041 bool session_midi_feedback;
1044 framepos_t last_loopend;
1046 boost::scoped_ptr<SessionDirectory> _session_dir;
1049 void when_engine_running ();
1050 void graph_reordered ();
1052 /** current snapshot name, without the .ardour suffix */
1053 std::string _current_snapshot_name;
1055 XMLTree* state_tree;
1056 bool state_was_pending;
1057 StateOfTheState _state_of_the_state;
1060 int load_options (const XMLNode&);
1061 int load_state (std::string snapshot_name);
1063 framepos_t _last_roll_location;
1064 /** the session frame time at which we last rolled, located, or changed transport direction */
1065 framepos_t _last_roll_or_reversal_location;
1066 framepos_t _last_record_location;
1068 bool pending_locate_roll;
1069 framepos_t pending_locate_frame;
1070 bool pending_locate_flush;
1072 bool pending_auto_loop;
1076 static const PostTransportWork ProcessCannotProceedMask =
1078 PostTransportInputChange|
1080 PostTransportReverse|
1081 PostTransportCurveRealloc|
1082 PostTransportAudition|
1083 PostTransportLocate|
1085 PostTransportClearSubstate);
1087 gint _post_transport_work; /* accessed only atomic ops */
1088 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<gint*>(&_post_transport_work)); }
1089 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1090 void add_post_transport_work (PostTransportWork ptw);
1092 void schedule_playback_buffering_adjustment ();
1093 void schedule_capture_buffering_adjustment ();
1095 uint32_t cumulative_rf_motion;
1098 void set_rf_speed (float speed);
1099 void reset_rf_scale (framecnt_t frames_moved);
1101 Locations* _locations;
1102 void locations_changed ();
1103 void locations_added (Location*);
1104 void handle_locations_changed (Locations::LocationList&);
1106 PBD::ScopedConnectionList punch_connections;
1107 void auto_punch_start_changed (Location *);
1108 void auto_punch_end_changed (Location *);
1109 void auto_punch_changed (Location *);
1111 PBD::ScopedConnectionList loop_connections;
1112 void auto_loop_changed (Location *);
1113 void auto_loop_declick_range (Location *, framepos_t &, framepos_t &);
1115 void first_stage_init (std::string path, std::string snapshot_name);
1116 int second_stage_init ();
1117 void remove_empty_sounds ();
1119 void setup_midi_control ();
1120 int midi_read (MIDI::Port *);
1122 void enable_record ();
1124 void increment_transport_position (framecnt_t val) {
1125 if (max_framepos - val < _transport_frame) {
1126 _transport_frame = max_framepos;
1128 _transport_frame += val;
1132 void decrement_transport_position (framecnt_t val) {
1133 if (val < _transport_frame) {
1134 _transport_frame -= val;
1136 _transport_frame = 0;
1140 void post_transport_motion ();
1141 static void *session_loader_thread (void *arg);
1145 /* SessionEventManager interface */
1147 void process_event (SessionEvent*);
1148 void set_next_event ();
1149 void cleanup_event (SessionEvent*,int);
1151 /* MIDI Machine Control */
1154 void spp_continue ();
1157 void mmc_deferred_play (MIDI::MachineControl &);
1158 void mmc_stop (MIDI::MachineControl &);
1159 void mmc_step (MIDI::MachineControl &, int);
1160 void mmc_pause (MIDI::MachineControl &);
1161 void mmc_record_pause (MIDI::MachineControl &);
1162 void mmc_record_strobe (MIDI::MachineControl &);
1163 void mmc_record_exit (MIDI::MachineControl &);
1164 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1165 void mmc_fast_forward (MIDI::MachineControl &);
1166 void mmc_rewind (MIDI::MachineControl &);
1167 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1168 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1169 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1171 struct timeval last_mmc_step;
1174 typedef boost::function<bool()> MidiTimeoutCallback;
1175 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1177 MidiTimeoutList midi_timeouts;
1178 bool mmc_step_timeout ();
1180 MIDI::byte mtc_msg[16];
1181 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1182 MIDI::byte midi_msg[16];
1183 double outbound_mtc_timecode_frame;
1184 Timecode::Time transmitting_timecode_time;
1185 int next_quarter_frame_to_send;
1187 double _frames_per_timecode_frame; /* has to be floating point because of drop frame */
1188 framecnt_t _frames_per_hour;
1189 framecnt_t _timecode_frames_per_hour;
1191 /* cache the most-recently requested time conversions. This helps when we
1192 * have multiple clocks showing the same time (e.g. the transport frame) */
1193 bool last_timecode_valid;
1194 framepos_t last_timecode_when;
1195 Timecode::Time last_timecode;
1197 bool _send_timecode_update; ///< Flag to send a full frame (Timecode) MTC message this cycle
1199 int send_midi_time_code_for_cycle (framepos_t, framepos_t, pframes_t nframes);
1201 LTCEncoder* ltc_encoder;
1202 ltcsnd_sample_t* ltc_enc_buf;
1204 Timecode::TimecodeFormat ltc_enc_tcformat;
1205 int32_t ltc_buf_off;
1206 int32_t ltc_buf_len;
1209 int32_t ltc_enc_byte;
1210 framepos_t ltc_enc_pos;
1212 framepos_t ltc_enc_off;
1214 framepos_t ltc_prev_cycle;
1216 framepos_t ltc_timecode_offset;
1217 bool ltc_timecode_negative_offset;
1219 jack_latency_range_t ltc_out_latency;
1221 void ltc_tx_initialize();
1222 void ltc_tx_cleanup();
1223 void ltc_tx_reset();
1224 void ltc_tx_resync_latency();
1225 void ltc_tx_recalculate_position();
1226 void ltc_tx_parse_offset();
1227 void ltc_tx_send_time_code_for_cycle (framepos_t, framepos_t, double, double, pframes_t nframes);
1229 void reset_record_status ();
1231 int no_roll (pframes_t nframes);
1232 int fail_roll (pframes_t nframes);
1234 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1235 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1237 MidiControlUI* midi_control_ui;
1239 int start_midi_thread ();
1241 void set_play_loop (bool yn);
1242 void unset_play_loop ();
1243 void overwrite_some_buffers (Track *);
1244 void flush_all_inserts ();
1245 int micro_locate (framecnt_t distance);
1246 void locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false, bool with_mmc=true);
1247 void start_locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false);
1248 void force_locate (framepos_t frame, bool with_roll = false);
1249 void set_track_speed (Track *, double speed);
1250 void set_transport_speed (double speed, bool abort = false, bool clear_state = false, bool as_default = false);
1251 void stop_transport (bool abort = false, bool clear_state = false);
1252 void start_transport ();
1253 void realtime_stop (bool abort, bool clear_state);
1254 void realtime_locate ();
1255 void non_realtime_start_scrub ();
1256 void non_realtime_set_speed ();
1257 void non_realtime_locate ();
1258 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1259 void non_realtime_overwrite (int entry_request_count, bool& finished);
1260 void post_transport ();
1261 void engine_halted ();
1262 void xrun_recovery ();
1264 TempoMap *_tempo_map;
1265 void tempo_map_changed (const PBD::PropertyChange&);
1267 /* edit/mix groups */
1269 int load_route_groups (const XMLNode&, int);
1271 std::list<RouteGroup *> _route_groups;
1272 RouteGroup* _all_route_group;
1276 boost::shared_ptr<Graph> _process_graph;
1278 SerializedRCUManager<RouteList> routes;
1280 void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, bool save);
1281 void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect);
1282 bool _adding_routes_in_progress;
1283 uint32_t destructive_index;
1285 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1286 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1288 void route_processors_changed (RouteProcessorChange);
1290 bool find_route_name (std::string const &, uint32_t& id, char* name, size_t name_len, bool);
1291 void count_existing_track_channels (ChanCount& in, ChanCount& out);
1292 void auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
1293 bool with_lock, bool connect_inputs = true,
1294 ChanCount input_start = ChanCount (), ChanCount output_start = ChanCount ());
1295 void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
1299 bool solo_update_disabled;
1301 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1302 void route_mute_changed (void *src);
1303 void route_solo_changed (bool self_solo_change, void *src, boost::weak_ptr<Route>);
1304 void route_solo_isolated_changed (void *src, boost::weak_ptr<Route>);
1305 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1307 void listen_position_changed ();
1308 void solo_control_mode_changed ();
1310 /* REGION MANAGEMENT */
1312 mutable Glib::Threads::Mutex region_lock;
1314 int load_regions (const XMLNode& node);
1315 int load_compounds (const XMLNode& node);
1317 void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
1318 void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
1319 void route_group_property_changed (RouteGroup *);
1323 mutable Glib::Threads::Mutex source_lock;
1326 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1332 SourceMap get_sources() { return sources; }
1335 int load_sources (const XMLNode& node);
1336 XMLNode& get_sources_as_xml ();
1338 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1342 void remove_playlist (boost::weak_ptr<Playlist>);
1343 void track_playlist_changed (boost::weak_ptr<Track>);
1344 void playlist_region_added (boost::weak_ptr<Region>);
1345 void playlist_ranges_moved (std::list<Evoral::RangeMove<framepos_t> > const &);
1346 void playlist_regions_extended (std::list<Evoral::Range<framepos_t> > const &);
1348 /* CURVES and AUTOMATION LISTS */
1349 std::map<PBD::ID, AutomationList*> automation_lists;
1351 /* DEFAULT FADE CURVES */
1353 float default_fade_steepness;
1354 float default_fade_msecs;
1358 boost::shared_ptr<Auditioner> auditioner;
1359 void set_audition (boost::shared_ptr<Region>);
1360 void non_realtime_set_audition ();
1361 boost::shared_ptr<Region> pending_audition_region;
1367 int flatten_one_track (AudioTrack&, framepos_t start, framecnt_t cnt);
1369 /* INSERT AND SEND MANAGEMENT */
1371 boost::dynamic_bitset<uint32_t> send_bitset;
1372 boost::dynamic_bitset<uint32_t> aux_send_bitset;
1373 boost::dynamic_bitset<uint32_t> return_bitset;
1374 boost::dynamic_bitset<uint32_t> insert_bitset;
1378 struct space_and_path {
1379 uint32_t blocks; ///< 4kB blocks
1380 bool blocks_unknown; ///< true if blocks is unknown
1385 , blocks_unknown (true)
1389 struct space_and_path_ascending_cmp {
1390 bool operator() (space_and_path a, space_and_path b) {
1391 if (a.blocks_unknown != b.blocks_unknown) {
1392 return !a.blocks_unknown;
1394 return a.blocks > b.blocks;
1398 void setup_raid_path (std::string path);
1400 std::vector<space_and_path> session_dirs;
1401 std::vector<space_and_path>::iterator last_rr_session_dir;
1402 uint32_t _total_free_4k_blocks;
1403 /** If this is true, _total_free_4k_blocks is not definite,
1404 as one or more of the session directories' filesystems
1405 could not report free space.
1407 bool _total_free_4k_blocks_uncertain;
1408 Glib::Threads::Mutex space_lock;
1410 bool no_questions_about_missing_files;
1412 std::string get_best_session_directory_for_new_source ();
1414 mutable gint _playback_load;
1415 mutable gint _capture_load;
1419 SerializedRCUManager<BundleList> _bundles;
1420 XMLNode* _bundle_xml_node;
1421 int load_bundles (XMLNode const &);
1423 UndoHistory _history;
1424 /** current undo transaction, or 0 */
1425 UndoTransaction* _current_trans;
1426 /** GQuarks to describe the reversible commands that are currently in progress.
1427 * These may be nested, in which case more recently-started commands are toward
1428 * the front of the list.
1430 std::list<GQuark> _current_trans_quarks;
1432 void jack_timebase_callback (jack_transport_state_t, pframes_t, jack_position_t*, int);
1433 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1434 void reset_jack_connection (jack_client_t* jack);
1435 void process_rtop (SessionEvent*);
1437 void update_latency (bool playback);
1439 XMLNode& state(bool);
1442 typedef std::list<Click*> Clicks;
1445 boost::shared_ptr<IO> _click_io;
1446 boost::shared_ptr<Amp> _click_gain;
1448 Sample* click_emphasis_data;
1449 framecnt_t click_length;
1450 framecnt_t click_emphasis_length;
1451 mutable Glib::Threads::RWLock click_lock;
1453 static const Sample default_click[];
1454 static const framecnt_t default_click_length;
1455 static const Sample default_click_emphasis[];
1456 static const framecnt_t default_click_emphasis_length;
1459 framepos_t _clicks_cleared;
1460 void setup_click_sounds (int which);
1461 void setup_click_sounds (Sample**, Sample const *, framecnt_t*, framecnt_t, std::string const &);
1462 void clear_clicks ();
1463 void click (framepos_t start, framecnt_t nframes);
1465 std::vector<Route*> master_outs;
1467 /* range playback */
1469 std::list<AudioRange> current_audio_range;
1471 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1472 void unset_play_range ();
1477 boost::shared_ptr<Route> _master_out;
1478 boost::shared_ptr<Route> _monitor_out;
1480 void auto_connect_master_bus ();
1482 /* Windows VST support */
1484 long _windows_vst_callback (
1493 /* number of hardware ports we're using,
1494 based on max (requested,available)
1497 ChanCount n_physical_outputs;
1498 ChanCount n_physical_inputs;
1500 int find_all_sources (std::string path, std::set<std::string>& result);
1501 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1503 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1504 Glib::Threads::Mutex controllables_lock;
1505 Controllables controllables;
1507 boost::shared_ptr<PBD::Controllable> _solo_cut_control;
1509 void reset_native_file_format();
1510 bool first_file_data_format_reset;
1511 bool first_file_header_format_reset;
1513 void config_changed (std::string, bool);
1515 XMLNode& get_control_protocol_state ();
1517 void set_history_depth (uint32_t depth);
1519 static bool _disable_all_loaded_plugins;
1521 mutable bool have_looped; ///< Used in ::audible_frame(*)
1523 void update_have_rec_enabled_track ();
1524 gint _have_rec_enabled_track;
1526 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
1528 /* realtime "apply to set of routes" operations */
1529 template<typename T> SessionEvent*
1530 get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, bool group_override,
1531 void (Session::*method) (boost::shared_ptr<RouteList>, T, bool)) {
1532 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
1533 ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
1534 ev->rt_return = after;
1535 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
1540 void rt_cancel_solo_after_disconnect (boost::shared_ptr<RouteList>, bool upstream, bool /* ignored*/ );
1541 void rt_set_solo (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1542 void rt_set_just_one_solo (boost::shared_ptr<RouteList>, bool yn, bool /* ignored*/ );
1543 void rt_set_mute (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1544 void rt_set_listen (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1545 void rt_set_solo_isolated (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1546 void rt_set_record_enabled (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1547 void rt_set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, bool group_override);
1549 /** temporary list of Diskstreams used only during load of 2.X sessions */
1550 std::list<boost::shared_ptr<Diskstream> > _diskstreams_2X;
1552 void add_session_range_location (framepos_t, framepos_t);
1554 void setup_midi_machine_control ();
1556 void step_edit_status_change (bool);
1557 uint32_t _step_editors;
1559 /** true if timecode transmission by the transport is suspended, otherwise false */
1560 mutable gint _suspend_timecode_transmission;
1562 void update_locations_after_tempo_map_change (Locations::LocationList &);
1564 void start_time_changed (framepos_t);
1565 void end_time_changed (framepos_t);
1567 void set_track_monitor_input_status (bool);
1568 framepos_t compute_stop_limit () const;
1570 boost::shared_ptr<Speakers> _speakers;
1571 void load_nested_sources (const XMLNode& node);
1573 /** The directed graph of routes that is currently being used for audio processing
1574 and solo/mute computations.
1576 GraphEdges _current_route_graph;
1578 uint32_t next_control_id () const;
1579 bool ignore_route_processor_changes;
1581 MidiClockTicker* midi_clock;
1583 boost::shared_ptr<IO> _ltc_input;
1584 boost::shared_ptr<IO> _ltc_output;
1586 void reconnect_ltc_input ();
1587 void reconnect_ltc_output ();
1590 } // namespace ARDOUR
1592 #endif /* __ardour_session_h__ */