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__
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>
76 class AudioDiskstream;
81 class AudioFileSource;
96 class ControlProtocolInfo;
98 struct AudioExportSpecification;
106 class Session : public PBD::StatefulDestructible
110 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
111 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
112 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
113 typedef vector<RouteMeterState> GlobalRouteMeterState;
137 InputConfigurationChange,
141 /* only one of each of these events
142 can be queued at any one time
158 nframes_t action_frame;
159 nframes_t target_frame;
165 nframes_t target2_frame;
169 boost::shared_ptr<Region> region;
171 list<AudioRange> audio_range;
172 list<MusicRange> music_range;
174 Event(Type t, Action a, nframes_t when, nframes_t where, float spd, bool yn = false)
178 target_frame (where),
182 void set_ptr (void* p) {
186 bool before (const Event& other) const {
187 return action_frame < other.action_frame;
190 bool after (const Event& other) const {
191 return action_frame > other.action_frame;
194 static bool compare (const Event *e1, const Event *e2) {
195 return e1->before (*e2);
198 void *operator new (size_t ignored) {
199 return pool.alloc ();
202 void operator delete(void *ptr, size_t size) {
206 static const nframes_t Immediate = 0;
209 static MultiAllocSingleReleasePool pool;
212 /* creating from an XML file */
214 Session (AudioEngine&,
215 const string& fullpath,
216 const string& snapshot_name,
217 string mix_template = "");
219 /* creating a new Session */
221 Session (AudioEngine&,
223 string snapshot_name,
224 AutoConnectOption input_auto_connect,
225 AutoConnectOption output_auto_connect,
226 uint32_t control_out_channels,
227 uint32_t master_out_channels,
228 uint32_t n_physical_in,
229 uint32_t n_physical_out,
230 nframes_t initial_length);
235 static int find_session (string str, string& path, string& snapshot, bool& isnew);
237 string path() const { return _path; }
238 string name() const { return _name; }
239 string snap_name() const { return _current_snapshot_name; }
240 string raid_path () const;
241 string export_dir () const;
243 void set_snap_name ();
247 bool dirty() const { return _state_of_the_state & Dirty; }
248 void set_deletion_in_progress ();
249 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
250 sigc::signal<void> DirtyChanged;
252 static sigc::signal<void> AutoBindingOn;
253 static sigc::signal<void> AutoBindingOff;
255 static sigc::signal<void,std::string> Dialog;
257 std::string sound_dir (bool with_path = true) const;
258 std::string peak_dir () const;
259 std::string dead_sound_dir () const;
260 std::string automation_dir () const;
261 std::string analysis_dir() const;
263 int ensure_subdirs ();
265 Glib::ustring peak_path (Glib::ustring) const;
267 static string suffixed_search_path (std::string suffix, bool data);
268 static string control_protocol_path ();
269 static string template_path ();
270 static string template_dir ();
271 static void get_template_list (list<string>&);
273 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
274 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
276 void process (nframes_t nframes);
278 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
279 vector<Sample*>& get_silent_buffers (uint32_t howmany);
280 vector<Sample*>& get_send_buffers () { return _send_buffers; }
282 void add_diskstream (boost::shared_ptr<Diskstream>);
283 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
284 boost::shared_ptr<Diskstream> diskstream_by_name (string name);
286 bool have_captured() const { return _have_captured; }
288 void refill_all_diskstream_buffers ();
289 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
291 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
292 uint32_t n_diskstreams() const;
294 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
295 typedef std::list<boost::shared_ptr<Route> > RouteList;
297 boost::shared_ptr<RouteList> get_routes() const {
298 return routes.reader ();
301 uint32_t nroutes() const { return routes.reader()->size(); }
302 uint32_t ntracks () const;
303 uint32_t nbusses () const;
305 struct RoutePublicOrderSorter {
306 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
309 void sync_order_keys (void *src);
311 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
312 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
313 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
315 boost::shared_ptr<Route> route_by_name (string);
316 boost::shared_ptr<Route> route_by_id (PBD::ID);
317 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
319 bool route_name_unique (string) const;
321 bool get_record_enabled() const {
322 return (record_status () >= Enabled);
325 RecordState record_status() const {
326 return (RecordState) g_atomic_int_get (&_record_status);
329 bool actively_recording () {
330 return record_status() == Recording;
333 bool record_enabling_legal () const;
334 void maybe_enable_record ();
335 void disable_record (bool rt_context, bool force = false);
336 void step_back_from_record ();
338 void maybe_write_autosave ();
340 /* Proxy signal for region hidden changes */
342 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
344 /* Emitted when all i/o connections are complete */
346 sigc::signal<void> IOConnectionsComplete;
348 /* Record status signals */
350 sigc::signal<void> RecordStateChanged;
352 /* Transport mechanism signals */
354 sigc::signal<void> TransportStateChange; /* generic */
355 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
356 sigc::signal<void> DurationChanged;
357 sigc::signal<void,nframes_t> Xrun;
358 sigc::signal<void> TransportLooped;
360 sigc::signal<void,RouteList&> RouteAdded;
362 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
363 void request_bounded_roll (nframes_t start, nframes_t end);
364 void request_stop (bool abort = false);
365 void request_locate (nframes_t frame, bool with_roll = false);
367 void request_play_loop (bool yn);
368 bool get_play_loop () const { return play_loop; }
370 nframes_t last_transport_start() const { return _last_roll_location; }
371 void goto_end () { request_locate (end_location->start(), false);}
372 void goto_start () { request_locate (start_location->start(), false); }
373 void set_session_start (nframes_t start) { start_location->set_start(start); }
374 void set_session_end (nframes_t end) { end_location->set_start(end); _end_location_is_free = false; }
375 void use_rf_shuttle_speed ();
376 void allow_auto_play (bool yn);
377 void request_transport_speed (float speed);
378 void request_overwrite_buffer (Diskstream*);
379 void request_diskstream_speed (Diskstream&, float speed);
380 void request_input_change_handling ();
382 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
383 bool transport_locked () const;
387 int remove_region_from_region_list (boost::shared_ptr<Region>);
389 nframes_t get_maximum_extent () const;
390 nframes_t current_end_frame() const { return end_location->start(); }
391 nframes_t current_start_frame() const { return start_location->start(); }
392 // "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
393 nframes_t frame_rate() const { return _current_frame_rate; }
394 // "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
395 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
396 nframes_t frames_per_hour() const { return _frames_per_hour; }
398 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
399 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
401 float smpte_frames_per_second() const;
402 bool smpte_drop_frames() const;
406 Locations *locations() { return &_locations; }
408 sigc::signal<void,Location*> auto_loop_location_changed;
409 sigc::signal<void,Location*> auto_punch_location_changed;
410 sigc::signal<void> locations_modified;
412 void set_auto_punch_location (Location *);
413 void set_auto_loop_location (Location *);
414 int location_name(string& result, string base = string(""));
416 void reset_input_monitor_state ();
418 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
419 void remove_event (nframes_t frame, Event::Type type);
420 void clear_events (Event::Type type);
422 nframes_t get_block_size() const { return current_block_size; }
423 nframes_t worst_output_latency () const { return _worst_output_latency; }
424 nframes_t worst_input_latency () const { return _worst_input_latency; }
425 nframes_t worst_track_latency () const { return _worst_track_latency; }
427 int save_state (string snapshot_name, bool pending = false);
428 int restore_state (string snapshot_name);
429 int save_template (string template_name);
430 int save_history (string snapshot_name = "");
431 int restore_history (string snapshot_name);
432 void remove_state (string snapshot_name);
433 void rename_state (string old_name, string new_name);
434 void remove_pending_capture_state ();
436 static int rename_template (string old_name, string new_name);
438 static int delete_template (string name);
440 sigc::signal<void,string> StateSaved;
441 sigc::signal<void> StateReady;
443 vector<string*>* possible_states() const;
444 static vector<string*>* possible_states(string path);
446 XMLNode& get_state();
447 int set_state(const XMLNode& node); // not idempotent
448 XMLNode& get_template();
450 void add_instant_xml (XMLNode&, const std::string& dir);
452 enum StateOfTheState {
457 InitialConnecting = 0x8,
462 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
464 RouteGroup* add_edit_group (string);
465 RouteGroup* add_mix_group (string);
467 void remove_edit_group (RouteGroup&);
468 void remove_mix_group (RouteGroup&);
470 RouteGroup *mix_group_by_name (string);
471 RouteGroup *edit_group_by_name (string);
473 sigc::signal<void,RouteGroup*> edit_group_added;
474 sigc::signal<void,RouteGroup*> mix_group_added;
475 sigc::signal<void> edit_group_removed;
476 sigc::signal<void> mix_group_removed;
478 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
479 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
484 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
485 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
490 /* fundamental operations. duh. */
492 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
493 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
495 void remove_route (boost::shared_ptr<Route>);
497 void resort_routes ();
498 void resort_routes_using (boost::shared_ptr<RouteList>);
500 void set_remote_control_ids();
502 AudioEngine &engine() { return _engine; };
509 nframes_t transport_frame () const {return _transport_frame; }
510 nframes_t audible_frame () const;
511 nframes64_t requested_return_frame() const { return _requested_return_frame; }
525 int set_smpte_format (SmpteFormat);
526 void sync_time_vars();
528 void bbt_time (nframes_t when, BBT_Time&);
529 void smpte_to_sample( SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes ) const;
530 void sample_to_smpte( nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
531 void smpte_time (SMPTE::Time &);
532 void smpte_time (nframes_t when, SMPTE::Time&);
533 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
535 void smpte_duration (nframes_t, SMPTE::Time&) const;
536 void smpte_duration_string (char *, nframes_t) const;
538 void set_smpte_offset (nframes_t);
539 nframes_t smpte_offset () const { return _smpte_offset; }
540 void set_smpte_offset_negative (bool);
541 bool smpte_offset_negative () const { return _smpte_offset_negative; }
543 nframes_t convert_to_frames_at (nframes_t position, AnyTime&);
545 static sigc::signal<void> StartTimeChanged;
546 static sigc::signal<void> EndTimeChanged;
547 static sigc::signal<void> SMPTEOffsetChanged;
549 void request_slave_source (SlaveSource);
550 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
552 float transport_speed() const { return _transport_speed; }
553 bool transport_stopped() const { return _transport_speed == 0.0f; }
554 bool transport_rolling() const { return _transport_speed != 0.0f; }
556 void set_silent (bool yn);
557 bool silent () { return _silent; }
559 int jack_slave_sync (nframes_t);
561 TempoMap& tempo_map() { return *_tempo_map; }
565 void add_regions (std::vector<boost::shared_ptr<Region> >&);
567 sigc::signal<void,boost::weak_ptr<AudioRegion> > AudioRegionAdded;
568 sigc::signal<void,std::vector<boost::weak_ptr<AudioRegion> >& > AudioRegionsAdded;
569 sigc::signal<void,boost::weak_ptr<AudioRegion> > AudioRegionRemoved;
571 int region_name (string& result, string base = string(""), bool newlevel = false);
572 string new_region_name (string);
573 string path_from_region_name (string name, string identifier);
575 boost::shared_ptr<AudioRegion> find_whole_file_parent (boost::shared_ptr<AudioRegion const>);
576 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
578 boost::shared_ptr<AudioRegion> XMLRegionFactory (const XMLNode&, bool full);
580 template<class T> void foreach_audio_region (T *obj, void (T::*func)(boost::shared_ptr<AudioRegion>));
582 /* source management */
584 struct import_status : public InterThreadInfo {
589 volatile bool freeze;
590 std::vector<Glib::ustring> paths;
591 bool replace_existing_source;
598 void import_audiofiles (import_status&);
599 bool sample_rate_convert (import_status&, string infile, string& outfile);
600 string build_tmp_convert_name (string file);
602 SlaveSource post_export_slave;
603 nframes_t post_export_position;
606 int start_audio_export (ARDOUR::AudioExportSpecification&);
607 int stop_audio_export (ARDOUR::AudioExportSpecification&);
608 void finalize_audio_export ();
609 static sigc::signal<void, std::string, std::string> Exported;
611 void add_source (boost::shared_ptr<Source>);
612 void remove_source (boost::weak_ptr<Source>);
614 struct cleanup_report {
615 vector<string> paths;
619 int cleanup_sources (cleanup_report&);
620 int cleanup_trash_sources (cleanup_report&);
622 int destroy_region (boost::shared_ptr<Region>);
623 int destroy_regions (std::list<boost::shared_ptr<Region> >);
625 int remove_last_capture ();
627 /* handlers should return -1 for "stop cleanup", 0 for
628 "yes, delete this playlist" and 1 for "no, don't delete
632 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
634 /* handlers should return 0 for "ignore the rate mismatch"
635 and !0 for "do not use this session"
638 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
640 /* handlers should return !0 for use pending state, 0 for
644 static sigc::signal<int> AskAboutPendingState;
646 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
648 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
649 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
651 /* playlist management */
653 boost::shared_ptr<Playlist> playlist_by_name (string name);
654 void add_playlist (boost::shared_ptr<Playlist>);
655 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
656 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
658 uint32_t n_playlists() const;
660 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
661 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
663 /* named selections */
665 NamedSelection* named_selection_by_name (string name);
666 void add_named_selection (NamedSelection *);
667 void remove_named_selection (NamedSelection *);
669 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
670 sigc::signal<void> NamedSelectionAdded;
671 sigc::signal<void> NamedSelectionRemoved;
673 /* Curves and AutomationLists (TODO when they go away) */
674 void add_curve(Curve*);
675 void add_automation_list(AutomationList*);
679 float get_default_fade_length () const { return default_fade_msecs; }
680 float get_default_fade_steepness () const { return default_fade_steepness; }
681 void set_default_fade (float steepness, float msecs);
685 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
686 void audition_playlist ();
687 void audition_region (boost::shared_ptr<Region>);
688 void cancel_audition ();
689 bool is_auditioning () const;
691 sigc::signal<void,bool> AuditionActive;
693 /* flattening stuff */
695 boost::shared_ptr<Region> write_one_audio_track (AudioTrack&, nframes_t start, nframes_t end, bool overwrite, vector<boost::shared_ptr<AudioSource> >&,
696 InterThreadInfo& wot);
697 int freeze (InterThreadInfo&);
699 /* session-wide solo/mute/rec-enable */
701 bool soloing() const { return currently_soloing; }
703 void set_all_solo (bool);
704 void set_all_mute (bool);
706 sigc::signal<void,bool> SoloActive;
707 sigc::signal<void> SoloChanged;
709 void record_disenable_all ();
710 void record_enable_all ();
712 /* control/master out */
714 boost::shared_ptr<IO> control_out() const { return _control_out; }
715 boost::shared_ptr<IO> master_out() const { return _master_out; }
717 /* insert/send management */
719 uint32_t n_port_inserts() const { return _port_inserts.size(); }
720 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
721 uint32_t n_sends() const { return _sends.size(); }
723 static void set_disable_all_loaded_plugins (bool yn) {
724 _disable_all_loaded_plugins = yn;
726 static bool get_disable_all_loaded_plugins() {
727 return _disable_all_loaded_plugins;
730 uint32_t next_send_id();
731 uint32_t next_insert_id();
732 void mark_send_id (uint32_t);
733 void mark_insert_id (uint32_t);
735 /* s/w "RAID" management */
737 nframes_t available_capture_duration();
739 /* I/O Connections */
741 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
742 void add_connection (Connection *);
743 void remove_connection (Connection *);
744 Connection *connection_by_name (string) const;
746 sigc::signal<void,Connection *> ConnectionAdded;
747 sigc::signal<void,Connection *> ConnectionRemoved;
751 int set_mtc_port (string port_tag);
752 int set_mmc_port (string port_tag);
753 int set_midi_port (string port_tag);
754 MIDI::Port *mtc_port() const { return _mtc_port; }
755 MIDI::Port *mmc_port() const { return _mmc_port; }
756 MIDI::Port *midi_port() const { return _midi_port; }
758 sigc::signal<void> MTC_PortChanged;
759 sigc::signal<void> MMC_PortChanged;
760 sigc::signal<void> MIDI_PortChanged;
762 void set_trace_midi_input (bool, MIDI::Port* port = 0);
763 void set_trace_midi_output (bool, MIDI::Port* port = 0);
765 bool get_trace_midi_input(MIDI::Port *port = 0);
766 bool get_trace_midi_output(MIDI::Port *port = 0);
768 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
770 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
772 void set_mmc_receive_device_id (uint32_t id);
773 void set_mmc_send_device_id (uint32_t id);
777 void start_scrub (nframes_t where);
779 void set_scrub_speed (float);
780 nframes_t scrub_buffer_size() const;
781 sigc::signal<void> ScrubReady;
783 /* History (for editors, mixers, UIs etc.) */
785 void undo (uint32_t n) {
789 void redo (uint32_t n) {
793 UndoHistory& history() { return _history; }
795 uint32_t undo_depth() const { return _history.undo_depth(); }
796 uint32_t redo_depth() const { return _history.redo_depth(); }
797 string next_undo() const { return _history.next_undo(); }
798 string next_redo() const { return _history.next_redo(); }
800 void begin_reversible_command (string cmd_name);
801 void commit_reversible_command (Command* cmd = 0);
803 void add_command (Command *const cmd) {
804 current_trans->add_command (cmd);
807 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
809 // these commands are implemented in libs/ardour/session_command.cc
810 Command* memento_command_factory(XMLNode* n);
811 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
813 Command* global_state_command_factory (const XMLNode& n);
815 class GlobalRouteStateCommand : public Command
818 GlobalRouteStateCommand (Session&, void*);
819 GlobalRouteStateCommand (Session&, const XMLNode& node);
820 int set_state (const XMLNode&);
821 XMLNode& get_state ();
824 GlobalRouteBooleanState before, after;
830 class GlobalSoloStateCommand : public GlobalRouteStateCommand
833 GlobalSoloStateCommand (Session &, void *src);
834 GlobalSoloStateCommand (Session&, const XMLNode&);
835 void operator()(); //redo
837 XMLNode &get_state();
841 class GlobalMuteStateCommand : public GlobalRouteStateCommand
844 GlobalMuteStateCommand(Session &, void *src);
845 GlobalMuteStateCommand (Session&, const XMLNode&);
846 void operator()(); // redo
848 XMLNode &get_state();
852 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
855 GlobalRecordEnableStateCommand(Session &, void *src);
856 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
857 void operator()(); // redo
859 XMLNode &get_state();
863 class GlobalMeteringStateCommand : public Command
866 GlobalMeteringStateCommand(Session &, void *src);
867 GlobalMeteringStateCommand (Session&, const XMLNode&);
870 XMLNode &get_state();
871 int set_state (const XMLNode&);
877 GlobalRouteMeterState before;
878 GlobalRouteMeterState after;
883 boost::shared_ptr<IO> click_io() { return _click_io; }
885 /* disk, buffer loads */
887 uint32_t playback_load ();
888 uint32_t capture_load ();
889 uint32_t playback_load_min ();
890 uint32_t capture_load_min ();
892 void reset_playback_load_min ();
893 void reset_capture_load_min ();
895 float read_data_rate () const; // in usec
896 float write_data_rate () const;
900 void set_audio_range (list<AudioRange>&);
901 void set_music_range (list<MusicRange>&);
903 void request_play_range (bool yn);
904 bool get_play_range () const { return _play_range; }
907 typedef vector<string> FavoriteDirs;
909 static int read_favorite_dirs (FavoriteDirs&);
911 static int write_favorite_dirs (FavoriteDirs&);
915 static const char* template_suffix() { return _template_suffix; }
916 static const char* statefile_suffix() { return _statefile_suffix; }
917 static const char* pending_suffix() { return _pending_suffix; }
919 /* buffers for gain and pan */
921 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
922 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
924 /* buffers for conversion */
933 static long vst_callback (AEffect* effect,
940 typedef float (*compute_peak_t) (Sample *, nframes_t, float);
941 typedef void (*find_peaks_t) (Sample *, nframes_t, float *, float*);
942 typedef void (*apply_gain_to_buffer_t) (Sample *, nframes_t, float);
943 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, nframes_t, float);
944 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, nframes_t);
946 static compute_peak_t compute_peak;
947 static find_peaks_t find_peaks;
948 static apply_gain_to_buffer_t apply_gain_to_buffer;
949 static mix_buffers_with_gain_t mix_buffers_with_gain;
950 static mix_buffers_no_gain_t mix_buffers_no_gain;
952 static sigc::signal<void> SendFeedback;
956 PBD::Controllable* controllable_by_id (const PBD::ID&);
958 void add_controllable (PBD::Controllable*);
959 void remove_controllable (PBD::Controllable*);
962 friend class AudioEngine;
963 void set_block_size (nframes_t nframes);
964 void set_frame_rate (nframes_t nframes);
967 friend class Diskstream;
969 void wait_till_butler_finished();
973 void schedule_curve_reallocation ();
974 void update_latency_compensation (bool, bool);
977 int create (bool& new_session, const string& mix_template, nframes_t initial_length);
980 nframes_t compute_initial_length ();
982 static const char* _template_suffix;
983 static const char* _statefile_suffix;
984 static const char* _pending_suffix;
987 PendingDeclickIn = 0x1,
988 PendingDeclickOut = 0x2,
989 StopPendingCapture = 0x4,
990 AutoReturning = 0x10,
991 PendingLocate = 0x20,
992 PendingSetLoop = 0x40
995 /* stuff used in process() should be close together to
999 typedef void (Session::*process_function_type)(nframes_t);
1001 AudioEngine& _engine;
1002 mutable gint processing_prohibited;
1003 process_function_type process_function;
1004 process_function_type last_process_function;
1005 bool waiting_for_sync_offset;
1006 nframes_t _base_frame_rate;
1007 nframes_t _current_frame_rate; //this includes video pullup offset
1008 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1009 int transport_sub_state;
1010 mutable gint _record_status;
1011 volatile nframes_t _transport_frame;
1012 Location* end_location;
1013 Location* start_location;
1016 volatile float _transport_speed;
1017 volatile float _desired_transport_speed;
1018 float _last_transport_speed;
1019 bool auto_play_legal;
1020 nframes_t _last_slave_transport_frame;
1021 nframes_t maximum_output_latency;
1022 nframes_t last_stop_frame;
1023 volatile nframes64_t _requested_return_frame;
1024 vector<Sample *> _passthru_buffers;
1025 vector<Sample *> _silent_buffers;
1026 vector<Sample *> _send_buffers;
1027 nframes_t current_block_size;
1028 nframes_t _worst_output_latency;
1029 nframes_t _worst_input_latency;
1030 nframes_t _worst_track_latency;
1031 bool _have_captured;
1033 float _meter_falloff;
1034 bool _end_location_is_free;
1036 void set_worst_io_latencies ();
1037 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1038 set_worst_io_latencies ();
1041 void update_latency_compensation_proxy (void* ignored);
1043 void ensure_passthru_buffers (uint32_t howmany);
1045 void process_scrub (nframes_t);
1046 void process_without_events (nframes_t);
1047 void process_with_events (nframes_t);
1048 void process_audition (nframes_t);
1049 int process_export (nframes_t, ARDOUR::AudioExportSpecification*);
1051 /* slave tracking */
1053 static const int delta_accumulator_size = 25;
1054 int delta_accumulator_cnt;
1055 long delta_accumulator[delta_accumulator_size];
1056 long average_slave_delta;
1058 bool have_first_delta_accumulator;
1066 SlaveState slave_state;
1067 nframes_t slave_wait_end;
1069 void reset_slave_state ();
1070 bool follow_slave (nframes_t, nframes_t);
1071 void set_slave_source (SlaveSource);
1074 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1076 void prepare_diskstreams ();
1077 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1078 int process_routes (nframes_t, nframes_t);
1079 int silent_process_routes (nframes_t, nframes_t);
1081 bool get_rec_monitors_input () {
1082 if (actively_recording()) {
1085 if (Config->get_auto_input()) {
1093 int get_transport_declick_required () {
1095 if (transport_sub_state & PendingDeclickIn) {
1096 transport_sub_state &= ~PendingDeclickIn;
1098 } else if (transport_sub_state & PendingDeclickOut) {
1105 bool maybe_stop (nframes_t limit) {
1106 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1113 bool maybe_sync_start (nframes_t&, nframes_t&);
1115 void check_declick_out ();
1117 MIDI::MachineControl* mmc;
1118 MIDI::Port* _mmc_port;
1119 MIDI::Port* _mtc_port;
1120 MIDI::Port* _midi_port;
1123 bool session_send_mmc;
1124 bool session_send_mtc;
1125 bool session_midi_feedback;
1128 nframes_t last_loopend;
1130 RingBuffer<Event*> pending_events;
1133 void when_engine_running ();
1134 void graph_reordered ();
1136 string _current_snapshot_name;
1138 XMLTree* state_tree;
1139 bool state_was_pending;
1140 StateOfTheState _state_of_the_state;
1143 int load_options (const XMLNode&);
1144 XMLNode& get_options () const;
1145 int load_state (string snapshot_name);
1146 bool save_config_options_predicate (ConfigVariableBase::Owner owner) const;
1148 nframes_t _last_roll_location;
1149 nframes_t _last_record_location;
1150 bool pending_locate_roll;
1151 nframes_t pending_locate_frame;
1153 bool pending_locate_flush;
1155 bool pending_auto_loop;
1157 Sample* butler_mixdown_buffer;
1158 float* butler_gain_buffer;
1159 pthread_t butler_thread;
1160 Glib::Mutex butler_request_lock;
1161 Glib::Cond butler_paused;
1162 bool butler_should_run;
1163 mutable gint butler_should_do_transport_work;
1164 int butler_request_pipe[2];
1166 inline bool transport_work_requested() const { return g_atomic_int_get(&butler_should_do_transport_work); }
1168 struct ButlerRequest {
1177 enum PostTransportWork {
1178 PostTransportStop = 0x1,
1179 PostTransportDisableRecord = 0x2,
1180 PostTransportPosition = 0x8,
1181 PostTransportDidRecord = 0x20,
1182 PostTransportDuration = 0x40,
1183 PostTransportLocate = 0x80,
1184 PostTransportRoll = 0x200,
1185 PostTransportAbort = 0x800,
1186 PostTransportOverWrite = 0x1000,
1187 PostTransportSpeed = 0x2000,
1188 PostTransportAudition = 0x4000,
1189 PostTransportScrub = 0x8000,
1190 PostTransportReverse = 0x10000,
1191 PostTransportInputChange = 0x20000,
1192 PostTransportCurveRealloc = 0x40000
1195 static const PostTransportWork ProcessCannotProceedMask =
1196 PostTransportWork (PostTransportInputChange|
1198 PostTransportReverse|
1199 PostTransportCurveRealloc|
1201 PostTransportAudition|
1202 PostTransportLocate|
1205 PostTransportWork post_transport_work;
1207 void summon_butler ();
1208 void schedule_butler_transport_work ();
1209 int start_butler_thread ();
1210 void terminate_butler_thread ();
1211 static void *_butler_thread_work (void *arg);
1212 void* butler_thread_work ();
1214 uint32_t cumulative_rf_motion;
1217 void set_rf_speed (float speed);
1218 void reset_rf_scale (nframes_t frames_moved);
1220 Locations _locations;
1221 void locations_changed ();
1222 void locations_added (Location*);
1223 void handle_locations_changed (Locations::LocationList&);
1225 sigc::connection auto_punch_start_changed_connection;
1226 sigc::connection auto_punch_end_changed_connection;
1227 sigc::connection auto_punch_changed_connection;
1228 void auto_punch_start_changed (Location *);
1229 void auto_punch_end_changed (Location *);
1230 void auto_punch_changed (Location *);
1232 sigc::connection auto_loop_start_changed_connection;
1233 sigc::connection auto_loop_end_changed_connection;
1234 sigc::connection auto_loop_changed_connection;
1235 void auto_loop_changed (Location *);
1237 typedef list<Event *> Events;
1239 Events immediate_events;
1240 Events::iterator next_event;
1242 /* there can only ever be one of each of these */
1244 Event *auto_loop_event;
1245 Event *punch_out_event;
1246 Event *punch_in_event;
1250 void dump_events () const;
1251 void queue_event (Event *ev);
1252 void merge_event (Event*);
1253 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1254 bool _replace_event (Event*);
1255 bool _remove_event (Event *);
1256 void _clear_event_type (Event::Type);
1258 void first_stage_init (string path, string snapshot_name);
1259 int second_stage_init (bool new_tracks);
1260 void find_current_end ();
1261 void remove_empty_sounds ();
1263 void setup_midi_control ();
1264 int midi_read (MIDI::Port *);
1266 void enable_record ();
1268 void increment_transport_position (uint32_t val) {
1269 if (max_frames - val < _transport_frame) {
1270 _transport_frame = max_frames;
1272 _transport_frame += val;
1276 void decrement_transport_position (uint32_t val) {
1277 if (val < _transport_frame) {
1278 _transport_frame -= val;
1280 _transport_frame = 0;
1284 void post_transport_motion ();
1285 static void *session_loader_thread (void *arg);
1289 void set_next_event ();
1290 void process_event (Event *);
1292 /* MIDI Machine Control */
1294 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1295 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1296 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1298 void spp_start (MIDI::Parser&);
1299 void spp_continue (MIDI::Parser&);
1300 void spp_stop (MIDI::Parser&);
1302 void mmc_deferred_play (MIDI::MachineControl &);
1303 void mmc_stop (MIDI::MachineControl &);
1304 void mmc_step (MIDI::MachineControl &, int);
1305 void mmc_pause (MIDI::MachineControl &);
1306 void mmc_record_pause (MIDI::MachineControl &);
1307 void mmc_record_strobe (MIDI::MachineControl &);
1308 void mmc_record_exit (MIDI::MachineControl &);
1309 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1310 void mmc_fast_forward (MIDI::MachineControl &);
1311 void mmc_rewind (MIDI::MachineControl &);
1312 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1313 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1314 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1316 struct timeval last_mmc_step;
1319 typedef sigc::slot<bool> MidiTimeoutCallback;
1320 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1322 MidiTimeoutList midi_timeouts;
1323 bool mmc_step_timeout ();
1325 MIDI::byte mmc_buffer[32];
1326 MIDI::byte mtc_msg[16];
1327 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1328 MIDI::byte midi_msg[16];
1329 nframes_t outbound_mtc_smpte_frame;
1330 SMPTE::Time transmitting_smpte_time;
1331 int next_quarter_frame_to_send;
1333 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1334 nframes_t _frames_per_hour;
1335 nframes_t _smpte_frames_per_hour;
1336 nframes_t _smpte_offset;
1337 bool _smpte_offset_negative;
1339 /* cache the most-recently requested time conversions.
1340 this helps when we have multiple clocks showing the
1341 same time (e.g. the transport frame)
1344 bool last_smpte_valid;
1345 nframes_t last_smpte_when;
1346 SMPTE::Time last_smpte;
1348 int send_full_time_code ();
1349 int send_midi_time_code ();
1351 void send_full_time_code_in_another_thread ();
1352 void send_midi_time_code_in_another_thread ();
1353 void send_time_code_in_another_thread (bool full);
1354 void send_mmc_in_another_thread (MIDI::MachineControl::Command, nframes_t frame = 0);
1356 nframes_t adjust_apparent_position (nframes_t frames);
1358 void reset_record_status ();
1360 int no_roll (nframes_t nframes, nframes_t offset);
1362 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1363 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1365 struct MIDIRequest {
1378 MIDI::MachineControl::Command mmc_cmd;
1379 nframes_t locate_frame;
1381 // for SendMessage type
1384 MIDI::channel_t chan;
1386 MIDI::EventTwoBytes data;
1397 void *operator new(size_t ignored) {
1398 return pool.alloc ();
1401 void operator delete(void *ptr, size_t size) {
1406 static MultiAllocSingleReleasePool pool;
1409 Glib::Mutex midi_lock;
1410 pthread_t midi_thread;
1411 int midi_request_pipe[2];
1412 mutable gint butler_active;
1413 RingBuffer<MIDIRequest*> midi_requests;
1415 int start_midi_thread ();
1416 void terminate_midi_thread ();
1417 void poke_midi_thread ();
1418 static void *_midi_thread_work (void *arg);
1419 void midi_thread_work ();
1420 void change_midi_ports ();
1421 int use_config_midi_ports ();
1423 bool waiting_to_start;
1425 void set_play_loop (bool yn);
1426 void overwrite_some_buffers (Diskstream*);
1427 void flush_all_redirects ();
1428 int micro_locate (nframes_t distance);
1429 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1430 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1431 void force_locate (nframes_t frame, bool with_roll = false);
1432 void set_diskstream_speed (Diskstream*, float speed);
1433 void set_transport_speed (float speed, bool abort = false);
1434 void stop_transport (bool abort = false);
1435 void start_transport ();
1436 void actually_start_transport ();
1437 void realtime_stop (bool abort);
1438 void non_realtime_start_scrub ();
1439 void non_realtime_set_speed ();
1440 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1441 void non_realtime_overwrite (int entry_request_count, bool& finished);
1442 void butler_transport_work ();
1443 void post_transport ();
1444 void engine_halted ();
1445 void xrun_recovery ();
1447 TempoMap *_tempo_map;
1448 void tempo_map_changed (Change);
1450 /* edit/mix groups */
1452 int load_route_groups (const XMLNode&, bool is_edit);
1453 int load_edit_groups (const XMLNode&);
1454 int load_mix_groups (const XMLNode&);
1457 list<RouteGroup *> edit_groups;
1458 list<RouteGroup *> mix_groups;
1462 SerializedRCUManager<DiskstreamList> diskstreams;
1464 uint32_t dstream_buffer_size;
1465 int load_diskstreams (const XMLNode&);
1469 SerializedRCUManager<RouteList> routes;
1471 void add_routes (RouteList&, bool save);
1472 uint32_t destructive_index;
1474 int load_routes (const XMLNode&);
1475 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1479 bool solo_update_disabled;
1480 bool currently_soloing;
1482 void route_mute_changed (void *src);
1483 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1484 void catch_up_on_solo ();
1485 void update_route_solo_state ();
1486 void modify_solo_mute (bool, bool);
1487 void strip_portname_for_solo (string& portname);
1489 /* REGION MANAGEMENT */
1491 std::map<std::string,uint32_t> region_name_map;
1492 void update_region_name_map (boost::shared_ptr<Region>);
1494 mutable Glib::Mutex region_lock;
1495 typedef map<PBD::ID,boost::shared_ptr<AudioRegion> > AudioRegionList;
1496 AudioRegionList audio_regions;
1498 void add_region (boost::shared_ptr<Region>);
1499 void region_changed (Change, boost::weak_ptr<Region>);
1500 void remove_region (boost::weak_ptr<Region>);
1502 int load_regions (const XMLNode& node);
1506 mutable Glib::Mutex audio_source_lock;
1507 typedef std::map<PBD::ID,boost::shared_ptr<AudioSource> > AudioSourceList;
1509 AudioSourceList audio_sources;
1512 AudioSourceList get_audio_sources() { return audio_sources; }
1517 int load_sources (const XMLNode& node);
1518 XMLNode& get_sources_as_xml ();
1520 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1524 mutable Glib::Mutex playlist_lock;
1525 typedef set<boost::shared_ptr<Playlist> > PlaylistList;
1526 PlaylistList playlists;
1527 PlaylistList unused_playlists;
1529 int load_playlists (const XMLNode&);
1530 int load_unused_playlists (const XMLNode&);
1531 void remove_playlist (boost::weak_ptr<Playlist>);
1532 void track_playlist (bool, boost::weak_ptr<Playlist>);
1534 boost::shared_ptr<Playlist> playlist_factory (string name);
1535 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1537 void playlist_length_changed ();
1538 void diskstream_playlist_changed (boost::weak_ptr<Diskstream>);
1540 /* NAMED SELECTIONS */
1542 mutable Glib::Mutex named_selection_lock;
1543 typedef set<NamedSelection *> NamedSelectionList;
1544 NamedSelectionList named_selections;
1546 int load_named_selections (const XMLNode&);
1548 NamedSelection *named_selection_factory (string name);
1549 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1551 /* CURVES and AUTOMATION LISTS */
1552 std::map<PBD::ID, Curve*> curves;
1553 std::map<PBD::ID, AutomationList*> automation_lists;
1555 /* DEFAULT FADE CURVES */
1557 float default_fade_steepness;
1558 float default_fade_msecs;
1562 boost::shared_ptr<Auditioner> auditioner;
1563 void set_audition (boost::shared_ptr<Region>);
1564 void non_realtime_set_audition ();
1565 boost::shared_ptr<Region> pending_audition_region;
1571 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1573 /* INSERT AND SEND MANAGEMENT */
1575 list<PortInsert *> _port_inserts;
1576 list<PluginInsert *> _plugin_inserts;
1577 list<Send *> _sends;
1578 boost::dynamic_bitset<uint32_t> send_bitset;
1579 boost::dynamic_bitset<uint32_t> insert_bitset;
1581 uint32_t insert_cnt;
1584 void add_redirect (Redirect *);
1585 void remove_redirect (Redirect *);
1589 struct space_and_path {
1590 uint32_t blocks; /* 4kB blocks */
1598 struct space_and_path_ascending_cmp {
1599 bool operator() (space_and_path a, space_and_path b) {
1600 return a.blocks > b.blocks;
1604 void setup_raid_path (string path);
1606 vector<space_and_path> session_dirs;
1607 vector<space_and_path>::iterator last_rr_session_dir;
1608 uint32_t _total_free_4k_blocks;
1609 Glib::Mutex space_lock;
1611 static const char* old_sound_dir_name;
1612 static const char* sound_dir_name;
1613 static const char* dead_sound_dir_name;
1614 static const char* interchange_dir_name;
1615 static const char* peak_dir_name;
1616 static const char* export_dir_name;
1618 string old_sound_dir (bool with_path = true) const;
1619 string discover_best_sound_dir (bool destructive = false);
1620 int ensure_sound_dir (string, string&);
1621 void refresh_disk_space ();
1623 mutable gint _playback_load;
1624 mutable gint _capture_load;
1625 mutable gint _playback_load_min;
1626 mutable gint _capture_load_min;
1628 /* I/O Connections */
1630 typedef list<Connection *> ConnectionList;
1631 mutable Glib::Mutex connection_lock;
1632 ConnectionList _connections;
1633 int load_connections (const XMLNode&);
1635 void reverse_diskstream_buffers ();
1637 UndoHistory _history;
1638 UndoTransaction* current_trans;
1640 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1641 GlobalRouteMeterState get_global_route_metering ();
1643 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1644 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1646 void set_global_mute (GlobalRouteBooleanState s, void *src);
1647 void set_global_solo (GlobalRouteBooleanState s, void *src);
1648 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1650 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1651 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1652 void reset_jack_connection (jack_client_t* jack);
1653 void record_enable_change_all (bool yn);
1655 XMLNode& state(bool);
1665 Click (nframes_t s, nframes_t d, const Sample *b)
1666 : start (s), duration (d), data (b) { offset = 0; }
1668 void *operator new(size_t ignored) {
1669 return pool.alloc ();
1672 void operator delete(void *ptr, size_t size) {
1680 typedef list<Click*> Clicks;
1684 boost::shared_ptr<IO> _click_io;
1686 Sample* click_emphasis_data;
1687 nframes_t click_length;
1688 nframes_t click_emphasis_length;
1689 mutable Glib::RWLock click_lock;
1691 static const Sample default_click[];
1692 static const nframes_t default_click_length;
1693 static const Sample default_click_emphasis[];
1694 static const nframes_t default_click_emphasis_length;
1697 void setup_click_sounds (int which);
1698 void clear_clicks ();
1699 void click (nframes_t start, nframes_t nframes, nframes_t offset);
1701 vector<Route*> master_outs;
1703 /* range playback */
1705 list<AudioRange> current_audio_range;
1707 void set_play_range (bool yn);
1708 void setup_auto_play ();
1713 boost::shared_ptr<IO> _master_out;
1714 boost::shared_ptr<IO> _control_out;
1716 gain_t* _gain_automation_buffer;
1717 pan_t** _pan_automation_buffer;
1718 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1719 uint32_t _npan_buffers;
1723 long _vst_callback (VSTPlugin*,
1730 /* number of hardware audio ports we're using,
1731 based on max (requested,available)
1734 uint32_t n_physical_audio_outputs;
1735 uint32_t n_physical_audio_inputs;
1737 int find_all_sources (std::string path, std::set<std::string>& result);
1738 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1740 LayerModel layer_model;
1741 CrossfadeModel xfade_model;
1743 typedef std::set<PBD::Controllable*> Controllables;
1744 Glib::Mutex controllables_lock;
1745 Controllables controllables;
1747 void reset_native_file_format();
1748 bool first_file_data_format_reset;
1749 bool first_file_header_format_reset;
1751 void config_changed (const char*);
1753 XMLNode& get_control_protocol_state ();
1755 void set_history_depth (uint32_t depth);
1757 static bool _disable_all_loaded_plugins;
1760 } // namespace ARDOUR
1762 #endif /* __ardour_session_h__ */