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__
30 #include <boost/scoped_ptr.hpp>
31 #include <boost/weak_ptr.hpp>
32 #include <boost/dynamic_bitset.hpp>
38 #include <glibmm/thread.h>
40 #include <pbd/error.h>
44 #include <pbd/statefuldestructible.h>
46 #include <midi++/types.h>
47 #include <midi++/mmc.h>
49 #include <pbd/stateful.h>
50 #include <pbd/destructible.h>
52 #include <ardour/ardour.h>
53 #include <ardour/configuration.h>
54 #include <ardour/location.h>
55 #include <ardour/gain.h>
56 #include <ardour/io.h>
58 #include <ardour/smpte.h>
85 class AudioDiskstream;
87 class AudioFileSource;
104 class ControlProtocolInfo;
110 class SessionDirectory;
111 class SessionMetadata;
122 class Session : public PBD::StatefulDestructible
125 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
126 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
127 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
128 typedef vector<RouteMeterState> GlobalRouteMeterState;
152 InputConfigurationChange,
156 /* only one of each of these events
157 can be queued at any one time
173 nframes_t action_frame;
174 nframes_t target_frame;
180 nframes_t target2_frame;
185 boost::shared_ptr<Region> region;
187 list<AudioRange> audio_range;
188 list<MusicRange> music_range;
190 Event(Type t, Action a, nframes_t when, nframes_t where, float spd, bool yn = false)
194 target_frame (where),
198 void set_ptr (void* p) {
202 bool before (const Event& other) const {
203 return action_frame < other.action_frame;
206 bool after (const Event& other) const {
207 return action_frame > other.action_frame;
210 static bool compare (const Event *e1, const Event *e2) {
211 return e1->before (*e2);
214 void *operator new (size_t ignored) {
215 return pool.alloc ();
218 void operator delete(void *ptr, size_t size) {
222 static const nframes_t Immediate = 0;
225 static MultiAllocSingleReleasePool pool;
228 /* creating from an XML file */
230 Session (AudioEngine&,
231 const string& fullpath,
232 const string& snapshot_name,
233 string mix_template = "");
235 /* creating a new Session */
237 Session (AudioEngine&,
239 string snapshot_name,
240 AutoConnectOption input_auto_connect,
241 AutoConnectOption output_auto_connect,
242 uint32_t control_out_channels,
243 uint32_t master_out_channels,
244 uint32_t n_physical_in,
245 uint32_t n_physical_out,
246 nframes_t initial_length);
250 string path() const { return _path; }
251 string name() const { return _name; }
252 string snap_name() const { return _current_snapshot_name; }
253 string raid_path () const;
255 void set_snap_name ();
259 bool dirty() const { return _state_of_the_state & Dirty; }
260 void set_deletion_in_progress ();
261 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
262 sigc::signal<void> DirtyChanged;
264 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
266 static sigc::signal<void> AutoBindingOn;
267 static sigc::signal<void> AutoBindingOff;
269 static sigc::signal<void,std::string> Dialog;
271 std::string sound_dir (bool with_path = true) const;
272 std::string peak_dir () const;
273 std::string dead_sound_dir () const;
274 std::string automation_dir () const;
275 std::string analysis_dir() const;
277 int ensure_subdirs ();
279 Glib::ustring peak_path (Glib::ustring) const;
281 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
282 static string change_midi_path_by_name (string oldpath, string oldname, string newname, bool destructive);
284 string peak_path_from_audio_path (string) const;
285 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
286 string midi_path_from_name (string);
288 void process (nframes_t nframes);
290 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
291 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
292 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
294 void add_diskstream (boost::shared_ptr<Diskstream>);
295 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
296 boost::shared_ptr<Diskstream> diskstream_by_name (string name);
298 bool have_captured() const { return _have_captured; }
300 void refill_all_diskstream_buffers ();
301 uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
302 uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
304 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
305 uint32_t n_diskstreams() const;
307 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
308 typedef std::list<boost::shared_ptr<Route> > RouteList;
310 int load_routes (const XMLNode&);
311 boost::shared_ptr<RouteList> get_routes() const {
312 return routes.reader ();
315 uint32_t nroutes() const { return routes.reader()->size(); }
316 uint32_t ntracks () const;
317 uint32_t nbusses () const;
319 struct RoutePublicOrderSorter {
320 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
323 void sync_order_keys (const char* base);
325 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
326 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
327 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
329 boost::shared_ptr<Route> route_by_name (string);
330 boost::shared_ptr<Route> route_by_id (PBD::ID);
331 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
333 bool route_name_unique (string) const;
335 bool get_record_enabled() const {
336 return (record_status () >= Enabled);
339 RecordState record_status() const {
340 return (RecordState) g_atomic_int_get (&_record_status);
343 bool actively_recording () {
344 return record_status() == Recording;
347 bool record_enabling_legal () const;
348 void maybe_enable_record ();
349 void disable_record (bool rt_context, bool force = false);
350 void step_back_from_record ();
352 void maybe_write_autosave ();
354 /* Proxy signal for region hidden changes */
356 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
358 /* Emitted when all i/o connections are complete */
360 sigc::signal<void> IOConnectionsComplete;
362 /* Record status signals */
364 sigc::signal<void> RecordStateChanged;
366 /* Transport mechanism signals */
368 sigc::signal<void> TransportStateChange; /* generic */
369 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
370 sigc::signal<void> DurationChanged;
371 sigc::signal<void,nframes_t> Xrun;
372 sigc::signal<void> TransportLooped;
374 sigc::signal<void,RouteList&> RouteAdded;
376 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
377 void request_bounded_roll (nframes_t start, nframes_t end);
378 void request_stop (bool abort = false);
379 void request_locate (nframes_t frame, bool with_roll = false);
381 void request_play_loop (bool yn);
382 bool get_play_loop () const { return play_loop; }
384 nframes_t last_transport_start() const { return _last_roll_location; }
385 void goto_end () { request_locate (end_location->start(), false);}
386 void goto_start () { request_locate (start_location->start(), false); }
387 void set_session_start (nframes_t start) { start_location->set_start(start); }
388 void set_session_end (nframes_t end) { end_location->set_start(end); _end_location_is_free = false; }
389 void use_rf_shuttle_speed ();
390 void allow_auto_play (bool yn);
391 void request_transport_speed (float speed);
392 void request_overwrite_buffer (Diskstream*);
393 void request_diskstream_speed (Diskstream&, float speed);
394 void request_input_change_handling ();
396 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
397 bool transport_locked () const;
400 //int wipe_diskstream (AudioDiskstream *);
402 int remove_region_from_region_list (boost::shared_ptr<Region>);
404 nframes_t get_maximum_extent () const;
405 nframes_t current_end_frame() const { return end_location->start(); }
406 nframes_t current_start_frame() const { return start_location->start(); }
407 // "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
408 nframes_t frame_rate() const { return _current_frame_rate; }
409 // "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
410 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
411 nframes_t frames_per_hour() const { return _frames_per_hour; }
413 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
414 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
416 MIDI::byte get_mtc_smpte_bits() const {
417 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
420 float smpte_frames_per_second() const;
421 bool smpte_drop_frames() const;
425 Locations *locations() { return &_locations; }
427 sigc::signal<void,Location*> auto_loop_location_changed;
428 sigc::signal<void,Location*> auto_punch_location_changed;
429 sigc::signal<void> locations_modified;
431 void set_auto_punch_location (Location *);
432 void set_auto_loop_location (Location *);
433 int location_name(string& result, string base = string(""));
435 void reset_input_monitor_state ();
437 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
438 void remove_event (nframes_t frame, Event::Type type);
439 void clear_events (Event::Type type);
441 nframes_t get_block_size() const { return current_block_size; }
442 nframes_t worst_output_latency () const { return _worst_output_latency; }
443 nframes_t worst_input_latency () const { return _worst_input_latency; }
444 nframes_t worst_track_latency () const { return _worst_track_latency; }
446 int save_state (std::string snapshot_name, bool pending = false);
447 int restore_state (std::string snapshot_name);
448 int save_template (std::string template_name);
449 int save_history (std::string snapshot_name = "");
450 int restore_history (std::string snapshot_name);
451 void remove_state (std::string snapshot_name);
452 void rename_state (std::string old_name, std::string new_name);
453 void remove_pending_capture_state ();
455 static int rename_template (std::string old_name, std::string new_name);
456 static int delete_template (std::string name);
458 sigc::signal<void,string> StateSaved;
459 sigc::signal<void> StateReady;
461 vector<string*>* possible_states() const;
462 static vector<string*>* possible_states(string path);
464 XMLNode& get_state();
465 int set_state(const XMLNode& node); // not idempotent
466 XMLNode& get_template();
468 /// The instant xml file is written to the session directory
469 void add_instant_xml (XMLNode&, bool write_to_config = true);
470 XMLNode * instant_xml (const std::string& str);
472 enum StateOfTheState {
477 InitialConnecting = 0x8,
482 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
484 RouteGroup* add_edit_group (string);
485 RouteGroup* add_mix_group (string);
487 void remove_edit_group (RouteGroup&);
488 void remove_mix_group (RouteGroup&);
490 RouteGroup *mix_group_by_name (string);
491 RouteGroup *edit_group_by_name (string);
493 sigc::signal<void,RouteGroup*> edit_group_added;
494 sigc::signal<void,RouteGroup*> mix_group_added;
495 sigc::signal<void> edit_group_removed;
496 sigc::signal<void> mix_group_removed;
498 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
499 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
504 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
505 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
510 /* fundamental operations. duh. */
512 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
513 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
515 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (TrackMode mode = Normal, uint32_t how_many = 1);
516 //boost::shared_ptr<Route> new_midi_route (uint32_t how_many = 1);
518 void remove_route (boost::shared_ptr<Route>);
519 void resort_routes ();
520 void resort_routes_using (boost::shared_ptr<RouteList>);
522 void set_remote_control_ids();
524 AudioEngine & engine() { return _engine; }
525 AudioEngine const & engine () const { return _engine; }
532 nframes_t transport_frame () const {return _transport_frame; }
533 nframes_t audible_frame () const;
534 nframes64_t requested_return_frame() const { return _requested_return_frame; }
548 int set_smpte_format (SmpteFormat);
549 void sync_time_vars();
551 void bbt_time (nframes_t when, BBT_Time&);
552 void smpte_to_sample( SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes ) const;
553 void sample_to_smpte( nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
554 void smpte_time (SMPTE::Time &);
555 void smpte_time (nframes_t when, SMPTE::Time&);
556 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
558 void smpte_duration (nframes_t, SMPTE::Time&) const;
559 void smpte_duration_string (char *, nframes_t) const;
561 void set_smpte_offset (nframes_t);
562 nframes_t smpte_offset () const { return _smpte_offset; }
563 void set_smpte_offset_negative (bool);
564 bool smpte_offset_negative () const { return _smpte_offset_negative; }
566 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
568 static sigc::signal<void> StartTimeChanged;
569 static sigc::signal<void> EndTimeChanged;
570 static sigc::signal<void> SMPTEOffsetChanged;
572 void request_slave_source (SlaveSource);
573 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
575 float transport_speed() const { return _transport_speed; }
576 bool transport_stopped() const { return _transport_speed == 0.0f; }
577 bool transport_rolling() const { return _transport_speed != 0.0f; }
579 void set_silent (bool yn);
580 bool silent () { return _silent; }
582 int jack_slave_sync (nframes_t);
584 TempoMap& tempo_map() { return *_tempo_map; }
586 /// signals the current transport position in frames, bbt and smpte time (in that order)
587 sigc::signal<void, const nframes_t&, const BBT_Time&, const SMPTE::Time&> tick;
591 void add_regions (std::vector<boost::shared_ptr<Region> >&);
593 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
594 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
595 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
597 int region_name (string& result, string base = string(""), bool newlevel = false);
598 string new_region_name (string);
599 string path_from_region_name (DataType type, string name, string identifier);
601 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
603 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
605 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
606 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
607 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
609 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
611 /* source management */
613 struct import_status : public InterThreadInfo {
619 volatile bool freeze;
620 std::vector<Glib::ustring> paths;
621 bool replace_existing_source;
627 void import_audiofiles (import_status&);
628 bool sample_rate_convert (import_status&, string infile, string& outfile);
629 string build_tmp_convert_name (string file);
631 boost::shared_ptr<ExportHandler> get_export_handler ();
632 boost::shared_ptr<ExportStatus> get_export_status ();
634 int start_audio_export (nframes_t position, bool realtime);
636 sigc::signal<int, nframes_t> ProcessExport;
637 sigc::signal<void> ExportReadFinished;
638 static sigc::signal<void, std::string, std::string> Exported;
640 void add_source (boost::shared_ptr<Source>);
641 void remove_source (boost::weak_ptr<Source>);
643 struct cleanup_report {
644 vector<string> paths;
648 int cleanup_sources (cleanup_report&);
649 int cleanup_trash_sources (cleanup_report&);
651 int destroy_region (boost::shared_ptr<Region>);
652 int destroy_regions (std::list<boost::shared_ptr<Region> >);
654 int remove_last_capture ();
656 /* handlers should return -1 for "stop cleanup", 0 for
657 "yes, delete this playlist" and 1 for "no, don't delete
661 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
663 /* handlers should return 0 for "ignore the rate mismatch"
664 and !0 for "do not use this session"
667 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
669 /* handlers should return !0 for use pending state, 0 for
673 static sigc::signal<int> AskAboutPendingState;
675 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
677 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
679 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
680 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
682 /* playlist management */
684 boost::shared_ptr<Playlist> playlist_by_name (string name);
685 void unassigned_playlists (std::list<boost::shared_ptr<Playlist> > & list);
686 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
687 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
688 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
690 uint32_t n_playlists() const;
692 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
693 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
695 /* named selections */
697 NamedSelection* named_selection_by_name (string name);
698 void add_named_selection (NamedSelection *);
699 void remove_named_selection (NamedSelection *);
701 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
702 sigc::signal<void> NamedSelectionAdded;
703 sigc::signal<void> NamedSelectionRemoved;
705 /* Curves and AutomationLists (TODO when they go away) */
706 void add_curve(Evoral::Curve*);
707 void add_automation_list(AutomationList*);
711 float get_default_fade_length () const { return default_fade_msecs; }
712 float get_default_fade_steepness () const { return default_fade_steepness; }
713 void set_default_fade (float steepness, float msecs);
717 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
718 void audition_playlist ();
719 void audition_region (boost::shared_ptr<Region>);
720 void cancel_audition ();
721 bool is_auditioning () const;
723 sigc::signal<void,bool> AuditionActive;
725 /* flattening stuff */
727 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end, bool overwrite, vector<boost::shared_ptr<Source> >&,
728 InterThreadInfo& wot);
729 int freeze (InterThreadInfo&);
731 /* session-wide solo/mute/rec-enable */
733 bool soloing() const { return currently_soloing; }
735 void set_all_solo (bool);
736 void set_all_mute (bool);
738 sigc::signal<void,bool> SoloActive;
739 sigc::signal<void> SoloChanged;
741 void record_disenable_all ();
742 void record_enable_all ();
744 /* control/master out */
746 boost::shared_ptr<IO> control_out() const { return _control_out; }
747 boost::shared_ptr<IO> master_out() const { return _master_out; }
749 /* insert/send management */
751 uint32_t n_port_inserts() const { return _port_inserts.size(); }
752 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
753 uint32_t n_sends() const { return _sends.size(); }
755 static void set_disable_all_loaded_plugins (bool yn) {
756 _disable_all_loaded_plugins = yn;
758 static bool get_disable_all_loaded_plugins() {
759 return _disable_all_loaded_plugins;
762 uint32_t next_send_id();
763 uint32_t next_insert_id();
764 void mark_send_id (uint32_t);
765 void mark_insert_id (uint32_t);
767 /* s/w "RAID" management */
769 nframes_t available_capture_duration();
773 void foreach_bundle (sigc::slot<void, boost::shared_ptr<Bundle> >);
774 void add_bundle (boost::shared_ptr<Bundle>);
775 void remove_bundle (boost::shared_ptr<Bundle>);
776 boost::shared_ptr<Bundle> bundle_by_name (string) const;
778 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
779 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
783 void midi_panic(void);
784 int set_mtc_port (string port_tag);
785 int set_mmc_port (string port_tag);
786 int set_midi_port (string port_tag);
787 int set_midi_clock_port (string port_tag);
788 MIDI::Port *mtc_port() const { return _mtc_port; }
789 MIDI::Port *mmc_port() const { return _mmc_port; }
790 MIDI::Port *midi_port() const { return _midi_port; }
791 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
793 sigc::signal<void> MTC_PortChanged;
794 sigc::signal<void> MMC_PortChanged;
795 sigc::signal<void> MIDI_PortChanged;
796 sigc::signal<void> MIDIClock_PortChanged;
798 void set_trace_midi_input (bool, MIDI::Port* port = 0);
799 void set_trace_midi_output (bool, MIDI::Port* port = 0);
801 bool get_trace_midi_input(MIDI::Port *port = 0);
802 bool get_trace_midi_output(MIDI::Port *port = 0);
804 void set_mmc_receive_device_id (uint32_t id);
805 void set_mmc_send_device_id (uint32_t id);
809 void start_scrub (nframes_t where);
811 void set_scrub_speed (float);
812 nframes_t scrub_buffer_size() const;
813 sigc::signal<void> ScrubReady;
815 /* History (for editors, mixers, UIs etc.) */
817 /** Undo some transactions.
818 * @param n Number of transactions to undo.
820 void undo (uint32_t n) {
824 void redo (uint32_t n) {
828 UndoHistory& history() { return _history; }
830 uint32_t undo_depth() const { return _history.undo_depth(); }
831 uint32_t redo_depth() const { return _history.redo_depth(); }
832 string next_undo() const { return _history.next_undo(); }
833 string next_redo() const { return _history.next_redo(); }
835 void begin_reversible_command (const string& cmd_name);
836 void commit_reversible_command (Command* cmd = 0);
838 void add_command (Command *const cmd) {
839 current_trans->add_command (cmd);
842 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
844 // these commands are implemented in libs/ardour/session_command.cc
845 Command* memento_command_factory(XMLNode* n);
846 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
848 Command* global_state_command_factory (const XMLNode& n);
850 class GlobalRouteStateCommand : public Command
853 GlobalRouteStateCommand (Session&, void*);
854 GlobalRouteStateCommand (Session&, const XMLNode& node);
855 int set_state (const XMLNode&);
856 XMLNode& get_state ();
859 GlobalRouteBooleanState before, after;
865 class GlobalSoloStateCommand : public GlobalRouteStateCommand
868 GlobalSoloStateCommand (Session &, void *src);
869 GlobalSoloStateCommand (Session&, const XMLNode&);
870 void operator()(); //redo
872 XMLNode &get_state();
876 class GlobalMuteStateCommand : public GlobalRouteStateCommand
879 GlobalMuteStateCommand(Session &, void *src);
880 GlobalMuteStateCommand (Session&, const XMLNode&);
881 void operator()(); // redo
883 XMLNode &get_state();
887 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
890 GlobalRecordEnableStateCommand(Session &, void *src);
891 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
892 void operator()(); // redo
894 XMLNode &get_state();
898 class GlobalMeteringStateCommand : public Command
901 GlobalMeteringStateCommand(Session &, void *src);
902 GlobalMeteringStateCommand (Session&, const XMLNode&);
905 XMLNode &get_state();
906 int set_state (const XMLNode&);
912 GlobalRouteMeterState before;
913 GlobalRouteMeterState after;
918 boost::shared_ptr<IO> click_io() { return _click_io; }
920 /* disk, buffer loads */
922 uint32_t playback_load ();
923 uint32_t capture_load ();
924 uint32_t playback_load_min ();
925 uint32_t capture_load_min ();
927 void reset_playback_load_min ();
928 void reset_capture_load_min ();
930 float read_data_rate () const; // in usec
931 float write_data_rate () const;
935 void set_audio_range (list<AudioRange>&);
936 void set_music_range (list<MusicRange>&);
938 void request_play_range (bool yn);
939 bool get_play_range () const { return _play_range; }
941 /* buffers for gain and pan */
943 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
944 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
946 /* buffers for conversion */
955 static long vst_callback (AEffect* effect,
962 static sigc::signal<void> SendFeedback;
966 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
968 void add_controllable (boost::shared_ptr<PBD::Controllable>);
969 void remove_controllable (PBD::Controllable*);
973 SessionMetadata & metadata () { return *_metadata; }
976 friend class AudioEngine;
977 void set_block_size (nframes_t nframes);
978 void set_frame_rate (nframes_t nframes);
981 friend class Diskstream;
983 void wait_till_butler_finished();
987 void schedule_curve_reallocation ();
988 void update_latency_compensation (bool, bool);
991 int create (bool& new_session, const string& mix_template, nframes_t initial_length);
994 nframes_t compute_initial_length ();
997 PendingDeclickIn = 0x1,
998 PendingDeclickOut = 0x2,
999 StopPendingCapture = 0x4,
1000 AutoReturning = 0x10,
1001 PendingLocate = 0x20,
1002 PendingSetLoop = 0x40
1005 /* stuff used in process() should be close together to
1009 typedef void (Session::*process_function_type)(nframes_t);
1011 AudioEngine& _engine;
1012 mutable gint processing_prohibited;
1013 process_function_type process_function;
1014 process_function_type last_process_function;
1015 bool waiting_for_sync_offset;
1016 nframes_t _base_frame_rate;
1017 nframes_t _current_frame_rate; //this includes video pullup offset
1018 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1019 int transport_sub_state;
1020 mutable gint _record_status;
1021 volatile nframes_t _transport_frame;
1022 Location* end_location;
1023 Location* start_location;
1026 volatile float _transport_speed;
1027 volatile float _desired_transport_speed;
1028 float _last_transport_speed;
1029 bool auto_play_legal;
1030 nframes_t _last_slave_transport_frame;
1031 nframes_t maximum_output_latency;
1032 nframes_t last_stop_frame;
1033 volatile nframes64_t _requested_return_frame;
1034 BufferSet* _scratch_buffers;
1035 BufferSet* _silent_buffers;
1036 BufferSet* _mix_buffers;
1037 nframes_t current_block_size;
1038 nframes_t _worst_output_latency;
1039 nframes_t _worst_input_latency;
1040 nframes_t _worst_track_latency;
1041 bool _have_captured;
1043 float _meter_falloff;
1044 bool _end_location_is_free;
1046 void set_worst_io_latencies ();
1047 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1048 set_worst_io_latencies ();
1051 void update_latency_compensation_proxy (void* ignored);
1053 void ensure_buffers (ChanCount howmany);
1055 void process_scrub (nframes_t);
1056 void process_without_events (nframes_t);
1057 void process_with_events (nframes_t);
1058 void process_audition (nframes_t);
1059 void process_export (nframes_t);
1060 int process_export_fw (nframes_t);
1062 /* slave tracking */
1064 static const int delta_accumulator_size = 25;
1065 int delta_accumulator_cnt;
1066 long delta_accumulator[delta_accumulator_size];
1067 long average_slave_delta;
1069 bool have_first_delta_accumulator;
1077 SlaveState slave_state;
1078 nframes_t slave_wait_end;
1080 void reset_slave_state ();
1081 bool follow_slave (nframes_t, nframes_t);
1082 void set_slave_source (SlaveSource);
1084 SlaveSource post_export_slave;
1085 nframes_t post_export_position;
1088 bool _exporting_realtime;
1090 boost::shared_ptr<ExportHandler> export_handler;
1091 boost::shared_ptr<ExportStatus> export_status;
1094 int stop_audio_export ();
1095 void finalize_audio_export ();
1097 sigc::connection export_freewheel_connection;
1099 void prepare_diskstreams ();
1100 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1101 int process_routes (nframes_t, nframes_t);
1102 int silent_process_routes (nframes_t, nframes_t);
1104 bool get_rec_monitors_input () {
1105 if (actively_recording()) {
1108 if (Config->get_auto_input()) {
1116 int get_transport_declick_required () {
1118 if (transport_sub_state & PendingDeclickIn) {
1119 transport_sub_state &= ~PendingDeclickIn;
1121 } else if (transport_sub_state & PendingDeclickOut) {
1128 bool maybe_stop (nframes_t limit) {
1129 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1136 bool maybe_sync_start (nframes_t&, nframes_t&);
1138 void check_declick_out ();
1140 MIDI::MachineControl* mmc;
1141 MIDI::Port* _mmc_port;
1142 MIDI::Port* _mtc_port;
1143 MIDI::Port* _midi_port;
1144 MIDI::Port* _midi_clock_port;
1147 bool session_send_mmc;
1148 bool session_send_mtc;
1149 bool session_midi_feedback;
1152 nframes_t last_loopend;
1154 boost::scoped_ptr<SessionDirectory> _session_dir;
1156 RingBuffer<Event*> pending_events;
1159 void when_engine_running ();
1160 void graph_reordered ();
1162 string _current_snapshot_name;
1164 XMLTree* state_tree;
1165 bool state_was_pending;
1166 StateOfTheState _state_of_the_state;
1169 int load_options (const XMLNode&);
1170 XMLNode& get_options () const;
1171 int load_state (string snapshot_name);
1172 bool save_config_options_predicate (ConfigVariableBase::Owner owner) const;
1174 nframes_t _last_roll_location;
1175 nframes_t _last_record_location;
1177 bool pending_locate_roll;
1178 nframes_t pending_locate_frame;
1179 bool pending_locate_flush;
1181 bool pending_auto_loop;
1183 Sample* butler_mixdown_buffer;
1184 float* butler_gain_buffer;
1185 pthread_t butler_thread;
1186 Glib::Mutex butler_request_lock;
1187 Glib::Cond butler_paused;
1188 bool butler_should_run;
1189 mutable gint butler_should_do_transport_work;
1190 int butler_request_pipe[2];
1192 inline bool transport_work_requested() const { return g_atomic_int_get(&butler_should_do_transport_work); }
1194 struct ButlerRequest {
1203 enum PostTransportWork {
1204 PostTransportStop = 0x1,
1205 PostTransportDisableRecord = 0x2,
1206 PostTransportPosition = 0x8,
1207 PostTransportDidRecord = 0x20,
1208 PostTransportDuration = 0x40,
1209 PostTransportLocate = 0x80,
1210 PostTransportRoll = 0x200,
1211 PostTransportAbort = 0x800,
1212 PostTransportOverWrite = 0x1000,
1213 PostTransportSpeed = 0x2000,
1214 PostTransportAudition = 0x4000,
1215 PostTransportScrub = 0x8000,
1216 PostTransportReverse = 0x10000,
1217 PostTransportInputChange = 0x20000,
1218 PostTransportCurveRealloc = 0x40000
1221 static const PostTransportWork ProcessCannotProceedMask =
1222 PostTransportWork (PostTransportInputChange|
1224 PostTransportReverse|
1225 PostTransportCurveRealloc|
1227 PostTransportAudition|
1228 PostTransportLocate|
1231 PostTransportWork post_transport_work;
1233 void summon_butler ();
1234 void schedule_butler_transport_work ();
1235 int start_butler_thread ();
1236 void terminate_butler_thread ();
1237 static void *_butler_thread_work (void *arg);
1238 void* butler_thread_work ();
1240 uint32_t cumulative_rf_motion;
1243 void set_rf_speed (float speed);
1244 void reset_rf_scale (nframes_t frames_moved);
1246 Locations _locations;
1247 void locations_changed ();
1248 void locations_added (Location*);
1249 void handle_locations_changed (Locations::LocationList&);
1251 sigc::connection auto_punch_start_changed_connection;
1252 sigc::connection auto_punch_end_changed_connection;
1253 sigc::connection auto_punch_changed_connection;
1254 void auto_punch_start_changed (Location *);
1255 void auto_punch_end_changed (Location *);
1256 void auto_punch_changed (Location *);
1258 sigc::connection auto_loop_start_changed_connection;
1259 sigc::connection auto_loop_end_changed_connection;
1260 sigc::connection auto_loop_changed_connection;
1261 void auto_loop_changed (Location *);
1263 typedef list<Event *> Events;
1265 Events immediate_events;
1266 Events::iterator next_event;
1268 /* there can only ever be one of each of these */
1270 Event *auto_loop_event;
1271 Event *punch_out_event;
1272 Event *punch_in_event;
1276 void dump_events () const;
1277 void queue_event (Event *ev);
1278 void merge_event (Event*);
1279 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1280 bool _replace_event (Event*);
1281 bool _remove_event (Event *);
1282 void _clear_event_type (Event::Type);
1284 void first_stage_init (string path, string snapshot_name);
1285 int second_stage_init (bool new_tracks);
1286 void find_current_end ();
1287 void remove_empty_sounds ();
1289 void setup_midi_control ();
1290 int midi_read (MIDI::Port *);
1292 void enable_record ();
1294 void increment_transport_position (uint32_t val) {
1295 if (max_frames - val < _transport_frame) {
1296 _transport_frame = max_frames;
1298 _transport_frame += val;
1302 void decrement_transport_position (uint32_t val) {
1303 if (val < _transport_frame) {
1304 _transport_frame -= val;
1306 _transport_frame = 0;
1310 void post_transport_motion ();
1311 static void *session_loader_thread (void *arg);
1315 void set_next_event ();
1316 void process_event (Event *ev);
1318 /* MIDI Machine Control */
1320 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1322 void spp_start (MIDI::Parser&, nframes_t timestamp);
1323 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1324 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1326 void mmc_deferred_play (MIDI::MachineControl &);
1327 void mmc_stop (MIDI::MachineControl &);
1328 void mmc_step (MIDI::MachineControl &, int);
1329 void mmc_pause (MIDI::MachineControl &);
1330 void mmc_record_pause (MIDI::MachineControl &);
1331 void mmc_record_strobe (MIDI::MachineControl &);
1332 void mmc_record_exit (MIDI::MachineControl &);
1333 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1334 void mmc_fast_forward (MIDI::MachineControl &);
1335 void mmc_rewind (MIDI::MachineControl &);
1336 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1337 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1338 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1340 struct timeval last_mmc_step;
1343 typedef sigc::slot<bool> MidiTimeoutCallback;
1344 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1346 MidiTimeoutList midi_timeouts;
1347 bool mmc_step_timeout ();
1349 MIDI::byte mmc_buffer[32];
1350 MIDI::byte mtc_msg[16];
1351 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1352 MIDI::byte midi_msg[16];
1353 nframes_t outbound_mtc_smpte_frame;
1354 SMPTE::Time transmitting_smpte_time;
1355 int next_quarter_frame_to_send;
1357 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1358 nframes_t _frames_per_hour;
1359 nframes_t _smpte_frames_per_hour;
1360 nframes_t _smpte_offset;
1361 bool _smpte_offset_negative;
1363 /* cache the most-recently requested time conversions. This helps when we
1364 * have multiple clocks showing the same time (e.g. the transport frame) */
1365 bool last_smpte_valid;
1366 nframes_t last_smpte_when;
1367 SMPTE::Time last_smpte;
1369 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1371 int send_full_time_code(nframes_t nframes);
1372 int send_midi_time_code_for_cycle(nframes_t nframes);
1374 nframes_t adjust_apparent_position (nframes_t frames);
1376 void reset_record_status ();
1378 int no_roll (nframes_t nframes, nframes_t offset);
1380 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1381 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1383 struct MIDIRequest {
1395 Glib::Mutex midi_lock;
1396 pthread_t midi_thread;
1397 int midi_request_pipe[2];
1398 RingBuffer<MIDIRequest*> midi_requests;
1400 int start_midi_thread ();
1401 void terminate_midi_thread ();
1402 void poke_midi_thread ();
1403 static void *_midi_thread_work (void *arg);
1404 void midi_thread_work ();
1405 void change_midi_ports ();
1406 int use_config_midi_ports ();
1408 void set_play_loop (bool yn);
1409 void overwrite_some_buffers (Diskstream*);
1410 void flush_all_inserts ();
1411 int micro_locate (nframes_t distance);
1412 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1413 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1414 void force_locate (nframes_t frame, bool with_roll = false);
1415 void set_diskstream_speed (Diskstream*, float speed);
1416 void set_transport_speed (float speed, bool abort = false);
1417 void stop_transport (bool abort = false);
1418 void start_transport ();
1419 void realtime_stop (bool abort);
1420 void non_realtime_start_scrub ();
1421 void non_realtime_set_speed ();
1422 void non_realtime_locate ();
1423 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1424 void non_realtime_overwrite (int entry_request_count, bool& finished);
1425 void butler_transport_work ();
1426 void post_transport ();
1427 void engine_halted ();
1428 void xrun_recovery ();
1430 TempoMap *_tempo_map;
1431 void tempo_map_changed (Change);
1433 /* edit/mix groups */
1435 int load_route_groups (const XMLNode&, bool is_edit);
1436 int load_edit_groups (const XMLNode&);
1437 int load_mix_groups (const XMLNode&);
1440 list<RouteGroup *> edit_groups;
1441 list<RouteGroup *> mix_groups;
1445 SerializedRCUManager<DiskstreamList> diskstreams;
1447 uint32_t audio_dstream_buffer_size;
1448 uint32_t midi_dstream_buffer_size;
1449 int load_diskstreams (const XMLNode&);
1453 SerializedRCUManager<RouteList> routes;
1455 void add_routes (RouteList&, bool save);
1456 uint32_t destructive_index;
1458 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1462 bool solo_update_disabled;
1463 bool currently_soloing;
1465 void route_mute_changed (void *src);
1466 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1467 void catch_up_on_solo ();
1468 void catch_up_on_solo_mute_override ();
1469 void update_route_solo_state ();
1470 void modify_solo_mute (bool, bool);
1471 void strip_portname_for_solo (string& portname);
1473 /* REGION MANAGEMENT */
1475 std::map<std::string,uint32_t> region_name_map;
1476 void update_region_name_map (boost::shared_ptr<Region>);
1478 mutable Glib::Mutex region_lock;
1479 typedef map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1482 void add_region (boost::shared_ptr<Region>);
1483 void region_changed (Change, boost::weak_ptr<Region>);
1484 void remove_region (boost::weak_ptr<Region>);
1486 int load_regions (const XMLNode& node);
1490 mutable Glib::Mutex source_lock;
1491 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1496 SourceMap get_sources() { return sources; }
1501 int load_sources (const XMLNode& node);
1502 XMLNode& get_sources_as_xml ();
1504 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1508 mutable Glib::Mutex playlist_lock;
1509 typedef set<boost::shared_ptr<Playlist> > PlaylistList;
1510 PlaylistList playlists;
1511 PlaylistList unused_playlists;
1513 int load_playlists (const XMLNode&);
1514 int load_unused_playlists (const XMLNode&);
1515 void remove_playlist (boost::weak_ptr<Playlist>);
1516 void track_playlist (bool, boost::weak_ptr<Playlist>);
1518 boost::shared_ptr<Playlist> playlist_factory (string name);
1519 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1521 void playlist_length_changed ();
1522 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1524 /* NAMED SELECTIONS */
1526 mutable Glib::Mutex named_selection_lock;
1527 typedef set<NamedSelection *> NamedSelectionList;
1528 NamedSelectionList named_selections;
1530 int load_named_selections (const XMLNode&);
1532 NamedSelection *named_selection_factory (string name);
1533 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1535 /* CURVES and AUTOMATION LISTS */
1536 std::map<PBD::ID, Evoral::Curve*> curves;
1537 std::map<PBD::ID, AutomationList*> automation_lists;
1539 /* DEFAULT FADE CURVES */
1541 float default_fade_steepness;
1542 float default_fade_msecs;
1546 boost::shared_ptr<Auditioner> auditioner;
1547 void set_audition (boost::shared_ptr<Region>);
1548 void non_realtime_set_audition ();
1549 boost::shared_ptr<Region> pending_audition_region;
1555 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1557 /* INSERT AND SEND MANAGEMENT */
1559 list<PortInsert *> _port_inserts;
1560 list<PluginInsert *> _plugin_inserts;
1561 list<Send *> _sends;
1562 boost::dynamic_bitset<uint32_t> send_bitset;
1563 boost::dynamic_bitset<uint32_t> insert_bitset;
1565 uint32_t insert_cnt;
1568 void add_processor (Processor *);
1569 void remove_processor (Processor *);
1573 struct space_and_path {
1574 uint32_t blocks; /* 4kB blocks */
1582 struct space_and_path_ascending_cmp {
1583 bool operator() (space_and_path a, space_and_path b) {
1584 return a.blocks > b.blocks;
1588 void setup_raid_path (string path);
1590 vector<space_and_path> session_dirs;
1591 vector<space_and_path>::iterator last_rr_session_dir;
1592 uint32_t _total_free_4k_blocks;
1593 Glib::Mutex space_lock;
1595 string get_best_session_directory_for_new_source ();
1596 void refresh_disk_space ();
1598 mutable gint _playback_load;
1599 mutable gint _capture_load;
1600 mutable gint _playback_load_min;
1601 mutable gint _capture_load_min;
1605 typedef list<boost::shared_ptr<Bundle> > BundleList;
1606 mutable Glib::Mutex bundle_lock;
1607 BundleList _bundles;
1608 XMLNode* _bundle_xml_node;
1609 int load_bundles (XMLNode const &);
1611 void reverse_diskstream_buffers ();
1613 UndoHistory _history;
1614 UndoTransaction* current_trans;
1616 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1617 GlobalRouteMeterState get_global_route_metering ();
1619 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1620 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1622 void set_global_mute (GlobalRouteBooleanState s, void *src);
1623 void set_global_solo (GlobalRouteBooleanState s, void *src);
1624 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1626 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1627 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1628 void reset_jack_connection (jack_client_t* jack);
1629 void record_enable_change_all (bool yn);
1631 XMLNode& state(bool);
1641 Click (nframes_t s, nframes_t d, const Sample *b)
1642 : start (s), duration (d), data (b) { offset = 0; }
1644 void *operator new(size_t ignored) {
1645 return pool.alloc ();
1648 void operator delete(void *ptr, size_t size) {
1656 typedef list<Click*> Clicks;
1660 boost::shared_ptr<IO> _click_io;
1662 Sample* click_emphasis_data;
1663 nframes_t click_length;
1664 nframes_t click_emphasis_length;
1665 mutable Glib::RWLock click_lock;
1667 static const Sample default_click[];
1668 static const nframes_t default_click_length;
1669 static const Sample default_click_emphasis[];
1670 static const nframes_t default_click_emphasis_length;
1673 void setup_click_sounds (int which);
1674 void clear_clicks ();
1675 void click (nframes_t start, nframes_t nframes, nframes_t offset);
1677 vector<Route*> master_outs;
1679 /* range playback */
1681 list<AudioRange> current_audio_range;
1683 void set_play_range (bool yn);
1684 void setup_auto_play ();
1689 boost::shared_ptr<IO> _master_out;
1690 boost::shared_ptr<IO> _control_out;
1692 gain_t* _gain_automation_buffer;
1693 pan_t** _pan_automation_buffer;
1694 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1695 uint32_t _npan_buffers;
1699 long _vst_callback (VSTPlugin*,
1706 /* number of hardware ports we're using,
1707 based on max (requested,available)
1710 uint32_t n_physical_outputs;
1711 uint32_t n_physical_inputs;
1713 uint32_t n_physical_audio_outputs;
1714 uint32_t n_physical_audio_inputs;
1716 uint32_t n_physical_midi_outputs;
1717 uint32_t n_physical_midi_inputs;
1720 int find_all_sources (std::string path, std::set<std::string>& result);
1721 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1723 LayerModel layer_model;
1724 CrossfadeModel xfade_model;
1726 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1727 Glib::Mutex controllables_lock;
1728 Controllables controllables;
1730 void reset_native_file_format();
1731 bool first_file_data_format_reset;
1732 bool first_file_header_format_reset;
1734 void config_changed (const char*);
1736 XMLNode& get_control_protocol_state ();
1738 void set_history_depth (uint32_t depth);
1739 void sync_order_keys ();
1741 static bool _disable_all_loaded_plugins;
1745 SessionMetadata * _metadata;
1747 /* used in ::audible_frame() */
1749 mutable bool have_looped;
1752 } // namespace ARDOUR
1754 #endif /* __ardour_session_h__ */