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/dynamic_bitset.hpp>
32 #include <boost/scoped_ptr.hpp>
33 #include <boost/weak_ptr.hpp>
34 #include <boost/utility.hpp>
38 #include <glibmm/thread.h>
40 #include "pbd/error.h"
43 #include "pbd/statefuldestructible.h"
46 #include "midi++/mmc.h"
47 #include "midi++/types.h"
49 #include "pbd/destructible.h"
50 #include "pbd/stateful.h"
52 #include "ardour/ardour.h"
53 #include "ardour/chan_count.h"
54 #include "ardour/rc_configuration.h"
55 #include "ardour/session_configuration.h"
56 #include "ardour/location.h"
57 #include "ardour/smpte.h"
58 #include "ardour/interpolation.h"
78 class AudioDiskstream;
80 class AudioFileSource;
89 class ControlProtocolInfo;
111 class SessionDirectory;
112 class SessionMetadata;
119 class Session : public PBD::StatefulDestructible, public boost::noncopyable
122 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
123 typedef std::vector<RouteBooleanState> GlobalRouteBooleanState;
124 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
125 typedef std::vector<RouteMeterState> GlobalRouteMeterState;
149 InputConfigurationChange,
153 /* only one of each of these events can be queued at any one time */
168 nframes_t action_frame;
169 nframes_t target_frame;
175 nframes_t target2_frame;
180 std::list<AudioRange> audio_range;
181 std::list<MusicRange> music_range;
183 boost::shared_ptr<Region> region;
185 Event(Type t, Action a, nframes_t when, nframes_t where, double spd, bool yn = false)
188 , action_frame (when)
189 , target_frame (where)
194 void set_ptr (void* p) {
198 bool before (const Event& other) const {
199 return action_frame < other.action_frame;
202 bool after (const Event& other) const {
203 return action_frame > other.action_frame;
206 static bool compare (const Event *e1, const Event *e2) {
207 return e1->before (*e2);
210 void *operator new (size_t) {
211 return pool.alloc ();
214 void operator delete (void *ptr, size_t /*size*/) {
218 static const nframes_t Immediate = 0;
221 static MultiAllocSingleReleasePool pool;
224 /* creating from an XML file */
226 Session (AudioEngine&,
227 const std::string& fullpath,
228 const std::string& snapshot_name,
229 std::string mix_template = "");
231 /* creating a new Session */
233 Session (AudioEngine&,
234 std::string fullpath,
235 std::string snapshot_name,
236 AutoConnectOption input_auto_connect,
237 AutoConnectOption output_auto_connect,
238 uint32_t control_out_channels,
239 uint32_t master_out_channels,
240 uint32_t n_physical_in,
241 uint32_t n_physical_out,
242 nframes_t initial_length);
246 std::string path() const { return _path; }
247 std::string name() const { return _name; }
248 std::string snap_name() const { return _current_snapshot_name; }
249 std::string raid_path () const;
251 void set_snap_name ();
253 bool writable() const { return _writable; }
256 bool dirty() const { return _state_of_the_state & Dirty; }
257 void set_deletion_in_progress ();
258 void clear_deletion_in_progress ();
259 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
260 sigc::signal<void> DirtyChanged;
262 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
264 static sigc::signal<void> AutoBindingOn;
265 static sigc::signal<void> AutoBindingOff;
267 static sigc::signal<void,std::string> Dialog;
269 std::string sound_dir (bool with_path = true) const;
270 std::string peak_dir () const;
271 std::string dead_sound_dir () const;
272 std::string automation_dir () const;
273 std::string analysis_dir() const;
275 int ensure_subdirs ();
277 Glib::ustring peak_path (Glib::ustring) const;
279 static std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
281 std::string peak_path_from_audio_path (std::string) const;
282 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
283 std::string new_midi_source_name (const std::string&);
284 std::string new_source_path_from_name (DataType type, const std::string&);
285 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
287 void process (nframes_t nframes);
289 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
290 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
291 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
293 void add_diskstream (boost::shared_ptr<Diskstream>);
294 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
295 boost::shared_ptr<Diskstream> diskstream_by_name (std::string name);
296 bool have_rec_enabled_diskstream () const;
298 bool have_captured() const { return _have_captured; }
300 void refill_all_diskstream_buffers ();
301 Butler* butler() { return _butler; }
302 void butler_transport_work ();
304 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
305 uint32_t n_diskstreams() const;
307 void refresh_disk_space ();
309 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
311 SerializedRCUManager<DiskstreamList>& diskstream_list() { return diskstreams; }
313 int load_routes (const XMLNode&, int);
314 boost::shared_ptr<RouteList> get_routes() const {
315 return routes.reader ();
318 uint32_t nroutes() const { return routes.reader()->size(); }
319 uint32_t ntracks () const;
320 uint32_t nbusses () const;
322 boost::shared_ptr<BundleList> bundles () {
323 return _bundles.reader ();
326 struct RoutePublicOrderSorter {
327 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
330 void sync_order_keys (std::string const &);
332 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
333 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
334 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
336 boost::shared_ptr<Route> route_by_name (std::string);
337 boost::shared_ptr<Route> route_by_id (PBD::ID);
338 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
340 bool route_name_unique (std::string) const;
341 bool route_name_internal (std::string) const;
343 bool get_record_enabled() const {
344 return (record_status () >= Enabled);
347 RecordState record_status() const {
348 return (RecordState) g_atomic_int_get (&_record_status);
351 bool actively_recording () {
352 return record_status() == Recording;
355 bool record_enabling_legal () const;
356 void maybe_enable_record ();
357 void disable_record (bool rt_context, bool force = false);
358 void step_back_from_record ();
360 void maybe_write_autosave ();
362 /* Proxy signal for region hidden changes */
364 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
366 /* Emitted when all i/o connections are complete */
368 sigc::signal<void> IOConnectionsComplete;
370 /* Record status signals */
372 sigc::signal<void> RecordStateChanged;
374 /* Transport mechanism signals */
376 sigc::signal<void> TransportStateChange; /* generic */
377 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
378 sigc::signal<void> DurationChanged;
379 sigc::signal<void,nframes_t> Xrun;
380 sigc::signal<void> TransportLooped;
382 /** emitted when a locate has occurred */
383 sigc::signal<void> Located;
385 sigc::signal<void,RouteList&> RouteAdded;
386 sigc::signal<void> RouteGroupChanged;
388 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
389 void request_bounded_roll (nframes_t start, nframes_t end);
390 void request_stop (bool abort = false);
391 void request_locate (nframes_t frame, bool with_roll = false);
393 void request_play_loop (bool yn);
394 bool get_play_loop () const { return play_loop; }
396 nframes_t last_transport_start() const { return _last_roll_location; }
397 void goto_end () { request_locate (end_location->start(), false);}
398 void goto_start () { request_locate (start_location->start(), false); }
399 void set_session_start (nframes_t start) { start_location->set_start(start); }
400 void set_session_end (nframes_t end) { end_location->set_start(end); config.set_end_marker_is_free (false); }
401 void use_rf_shuttle_speed ();
402 void allow_auto_play (bool yn);
403 void request_transport_speed (double speed);
404 void request_overwrite_buffer (Diskstream*);
405 void request_diskstream_speed (Diskstream&, double speed);
406 void request_input_change_handling ();
408 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
409 bool transport_locked () const;
413 int remove_region_from_region_list (boost::shared_ptr<Region>);
415 nframes_t get_maximum_extent () const;
416 nframes_t current_end_frame() const { return end_location->start(); }
417 nframes_t current_start_frame() const { return start_location->start(); }
418 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
419 nframes_t frame_rate() const { return _current_frame_rate; }
420 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
421 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
422 nframes_t frames_per_hour() const { return _frames_per_hour; }
424 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
425 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
427 MIDI::byte get_mtc_smpte_bits() const {
428 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
431 float smpte_frames_per_second() const;
432 bool smpte_drop_frames() const;
436 Locations *locations() { return &_locations; }
438 sigc::signal<void,Location*> auto_loop_location_changed;
439 sigc::signal<void,Location*> auto_punch_location_changed;
440 sigc::signal<void> locations_modified;
442 void set_auto_punch_location (Location *);
443 void set_auto_loop_location (Location *);
444 int location_name(std::string& result, std::string base = std::string(""));
446 void reset_input_monitor_state ();
448 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
449 void remove_event (nframes_t frame, Event::Type type);
450 void clear_events (Event::Type type);
452 nframes_t get_block_size() const { return current_block_size; }
453 nframes_t worst_output_latency () const { return _worst_output_latency; }
454 nframes_t worst_input_latency () const { return _worst_input_latency; }
455 nframes_t worst_track_latency () const { return _worst_track_latency; }
457 int save_state (std::string snapshot_name, bool pending = false);
458 int restore_state (std::string snapshot_name);
459 int save_template (std::string template_name);
460 int save_history (std::string snapshot_name = "");
461 int restore_history (std::string snapshot_name);
462 void remove_state (std::string snapshot_name);
463 void rename_state (std::string old_name, std::string new_name);
464 void remove_pending_capture_state ();
466 static int rename_template (std::string old_name, std::string new_name);
467 static int delete_template (std::string name);
469 sigc::signal<void,std::string> StateSaved;
470 sigc::signal<void> StateReady;
472 std::vector<std::string*>* possible_states() const;
473 static std::vector<std::string*>* possible_states (std::string path);
475 XMLNode& get_state();
476 int set_state(const XMLNode& node, int version); // not idempotent
477 XMLNode& get_template();
479 /// The instant xml file is written to the session directory
480 void add_instant_xml (XMLNode&, bool write_to_config = true);
481 XMLNode* instant_xml (const std::string& str);
483 enum StateOfTheState {
488 InitialConnecting = 0x8,
493 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
495 void add_route_group (RouteGroup *);
496 void remove_route_group (RouteGroup&);
498 RouteGroup *route_group_by_name (std::string);
500 sigc::signal<void,RouteGroup*> route_group_added;
501 sigc::signal<void> route_group_removed;
503 void foreach_route_group (sigc::slot<void,RouteGroup*> sl) {
504 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); i++) {
509 /* fundamental operations. duh. */
511 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
512 int input_channels, int output_channels, TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
515 RouteList new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many);
517 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
518 TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
521 void remove_route (boost::shared_ptr<Route>);
522 void resort_routes ();
523 void resort_routes_using (boost::shared_ptr<RouteList>);
525 void set_remote_control_ids();
527 AudioEngine & engine() { return _engine; }
528 AudioEngine const & engine () const { return _engine; }
535 nframes_t transport_frame () const {return _transport_frame; }
536 nframes_t audible_frame () const;
537 nframes64_t requested_return_frame() const { return _requested_return_frame; }
551 void sync_time_vars();
553 void bbt_time (nframes_t when, BBT_Time&);
554 void smpte_to_sample(SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes) const;
555 void sample_to_smpte(nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes) const;
556 void smpte_time (SMPTE::Time &);
557 void smpte_time (nframes_t when, SMPTE::Time&);
558 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
560 void smpte_duration (nframes_t, SMPTE::Time&) const;
561 void smpte_duration_string (char *, nframes_t) const;
563 void set_smpte_offset (nframes_t);
564 nframes_t smpte_offset () const { return _smpte_offset; }
565 void set_smpte_offset_negative (bool);
566 bool smpte_offset_negative () const { return _smpte_offset_negative; }
568 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
570 static sigc::signal<void> StartTimeChanged;
571 static sigc::signal<void> EndTimeChanged;
572 static sigc::signal<void> SMPTEOffsetChanged;
574 void request_slave_source (SlaveSource);
575 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
577 double transport_speed() const { return _transport_speed; }
578 bool transport_stopped() const { return _transport_speed == 0.0f; }
579 bool transport_rolling() const { return _transport_speed != 0.0f; }
581 void set_silent (bool yn);
582 bool silent () { return _silent; }
584 int jack_slave_sync (nframes_t);
586 TempoMap& tempo_map() { return *_tempo_map; }
588 /// signals the current transport position in frames, bbt and smpte time (in that order)
589 sigc::signal<void, const nframes_t&, const BBT_Time&, const SMPTE::Time&> tick;
593 void add_regions (std::vector<boost::shared_ptr<Region> >&);
595 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
596 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
597 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
599 int region_name (std::string& result, std::string base = std::string(""), bool newlevel = false);
600 std::string new_region_name (std::string);
601 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
603 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
605 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
607 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
608 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
609 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
611 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
613 /* source management */
615 struct ImportStatus : public InterThreadInfo {
616 std::string doing_what;
621 volatile bool freeze;
622 std::vector<Glib::ustring> paths;
623 bool replace_existing_source;
629 void import_audiofiles (ImportStatus&);
630 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
631 std::string build_tmp_convert_name (std::string file);
633 boost::shared_ptr<ExportHandler> get_export_handler ();
634 boost::shared_ptr<ExportStatus> get_export_status ();
636 int start_audio_export (nframes_t position, bool realtime);
638 sigc::signal<int, nframes_t> ProcessExport;
639 sigc::signal<void> ExportReadFinished;
640 static sigc::signal<void, std::string, std::string> Exported;
642 void add_source (boost::shared_ptr<Source>);
643 void remove_source (boost::weak_ptr<Source>);
645 struct cleanup_report {
646 std::vector<std::string> paths;
650 int cleanup_sources (cleanup_report&);
651 int cleanup_trash_sources (cleanup_report&);
653 int destroy_region (boost::shared_ptr<Region>);
654 int destroy_regions (std::list<boost::shared_ptr<Region> >);
656 int remove_last_capture ();
658 /** handlers should return -1 for "stop cleanup",
659 0 for "yes, delete this playlist",
660 1 for "no, don't delete this playlist".
662 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
664 /** handlers should return 0 for "ignore the rate mismatch",
665 !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 ignore it.
671 static sigc::signal<int> AskAboutPendingState;
673 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
675 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
677 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
678 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
680 /* playlist management */
682 boost::shared_ptr<Playlist> playlist_by_name (std::string name);
683 void unassigned_playlists (std::list<boost::shared_ptr<Playlist> > & list);
684 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
685 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
686 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
688 uint32_t n_playlists() const;
690 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
691 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
693 /* named selections */
695 NamedSelection* named_selection_by_name (std::string name);
696 void add_named_selection (NamedSelection *);
697 void remove_named_selection (NamedSelection *);
699 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
700 sigc::signal<void> NamedSelectionAdded;
701 sigc::signal<void> NamedSelectionRemoved;
703 /* Curves and AutomationLists (TODO when they go away) */
704 void add_automation_list(AutomationList*);
708 float get_default_fade_length () const { return default_fade_msecs; }
709 float get_default_fade_steepness () const { return default_fade_steepness; }
710 void set_default_fade (float steepness, float msecs);
714 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
715 void audition_playlist ();
716 void audition_region (boost::shared_ptr<Region>);
717 void cancel_audition ();
718 bool is_auditioning () const;
720 sigc::signal<void,bool> AuditionActive;
722 /* flattening stuff */
724 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
725 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
726 bool enable_processing = true);
727 int freeze (InterThreadInfo&);
729 /* session-wide solo/mute/rec-enable */
731 bool soloing() const { return _non_soloed_outs_muted; }
732 bool listening() const { return _listen_cnt > 0; }
734 void set_all_solo (bool);
735 void set_all_mute (bool);
736 void set_all_listen (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<Route> control_out() const { return _control_out; }
747 boost::shared_ptr<Route> master_out() const { return _master_out; }
749 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p);
750 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
751 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
752 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
753 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
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_return_id();
764 uint32_t next_insert_id();
765 void mark_send_id (uint32_t);
766 void mark_return_id (uint32_t);
767 void mark_insert_id (uint32_t);
769 /* s/w "RAID" management */
771 nframes_t available_capture_duration();
775 void add_bundle (boost::shared_ptr<Bundle>);
776 void remove_bundle (boost::shared_ptr<Bundle>);
777 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
779 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
780 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
784 void midi_panic(void);
785 int set_mtc_port (std::string port_tag);
786 int set_mmc_port (std::string port_tag);
787 int set_midi_port (std::string port_tag);
788 int set_midi_clock_port (std::string port_tag);
789 MIDI::Port *mtc_port() const { return _mtc_port; }
790 MIDI::Port *mmc_port() const { return _mmc_port; }
791 MIDI::Port *midi_port() const { return _midi_port; }
792 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
794 sigc::signal<void> MTC_PortChanged;
795 sigc::signal<void> MMC_PortChanged;
796 sigc::signal<void> MIDI_PortChanged;
797 sigc::signal<void> MIDIClock_PortChanged;
799 void set_trace_midi_input (bool, MIDI::Port* port = 0);
800 void set_trace_midi_output (bool, MIDI::Port* port = 0);
802 bool get_trace_midi_input(MIDI::Port *port = 0);
803 bool get_trace_midi_output(MIDI::Port *port = 0);
805 void set_mmc_receive_device_id (uint32_t id);
806 void set_mmc_send_device_id (uint32_t id);
810 void start_scrub (nframes_t where);
812 void set_scrub_speed (float);
813 nframes_t scrub_buffer_size() const;
814 sigc::signal<void> ScrubReady;
816 /* History (for editors, mixers, UIs etc.) */
818 /** Undo some transactions.
819 * @param n Number of transactions to undo.
821 void undo (uint32_t n) {
825 void redo (uint32_t n) {
829 UndoHistory& history() { return _history; }
831 uint32_t undo_depth() const { return _history.undo_depth(); }
832 uint32_t redo_depth() const { return _history.redo_depth(); }
833 std::string next_undo() const { return _history.next_undo(); }
834 std::string next_redo() const { return _history.next_redo(); }
836 void begin_reversible_command (const std::string& cmd_name);
837 void commit_reversible_command (Command* cmd = 0);
839 void add_command (Command *const cmd) {
840 assert(!_current_trans.empty ());
841 _current_trans.top()->add_command (cmd);
844 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
846 // these commands are implemented in libs/ardour/session_command.cc
847 Command* memento_command_factory(XMLNode* n);
848 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
850 Command* global_state_command_factory (const XMLNode& n);
852 class GlobalRouteStateCommand : public Command
855 GlobalRouteStateCommand (Session&, void*);
856 GlobalRouteStateCommand (Session&, const XMLNode& node);
857 int set_state (const XMLNode&, int version);
858 XMLNode& get_state ();
861 GlobalRouteBooleanState before, after;
866 class GlobalSoloStateCommand : public GlobalRouteStateCommand
869 GlobalSoloStateCommand (Session &, void *src);
870 GlobalSoloStateCommand (Session&, const XMLNode&);
871 void operator()(); //redo
873 XMLNode &get_state();
877 class GlobalMuteStateCommand : public GlobalRouteStateCommand
880 GlobalMuteStateCommand(Session &, void *src);
881 GlobalMuteStateCommand (Session&, const XMLNode&);
882 void operator()(); // redo
884 XMLNode &get_state();
888 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
891 GlobalRecordEnableStateCommand(Session &, void *src);
892 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
893 void operator()(); // redo
895 XMLNode &get_state();
899 class GlobalMeteringStateCommand : public Command
902 GlobalMeteringStateCommand(Session &, void *src);
903 GlobalMeteringStateCommand (Session&, const XMLNode&);
906 XMLNode &get_state();
907 int set_state (const XMLNode&, int version);
913 GlobalRouteMeterState before;
914 GlobalRouteMeterState after;
919 boost::shared_ptr<IO> click_io() { return _click_io; }
921 /* disk, buffer loads */
923 uint32_t playback_load ();
924 uint32_t capture_load ();
925 uint32_t playback_load_min ();
926 uint32_t capture_load_min ();
928 void reset_playback_load_min ();
929 void reset_capture_load_min ();
933 void set_audio_range (std::list<AudioRange>&);
934 void set_music_range (std::list<MusicRange>&);
936 void request_play_range (bool yn);
937 bool get_play_range () const { return _play_range; }
939 /* buffers for gain and pan */
941 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
942 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
944 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
948 static long vst_callback (AEffect* effect,
955 static sigc::signal<void> SendFeedback;
959 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
961 void add_controllable (boost::shared_ptr<PBD::Controllable>);
962 void remove_controllable (PBD::Controllable*);
964 SessionMetadata & metadata () { return *_metadata; }
966 SessionConfiguration config;
968 bool exporting () const {
973 friend class AudioEngine;
974 void set_block_size (nframes_t nframes);
975 void set_frame_rate (nframes_t nframes);
978 friend class Diskstream;
982 void schedule_curve_reallocation ();
983 void update_latency_compensation (bool, bool);
986 int create (bool& new_session, const std::string& mix_template, nframes_t initial_length);
989 nframes_t compute_initial_length ();
992 PendingDeclickIn = 0x1,
993 PendingDeclickOut = 0x2,
994 StopPendingCapture = 0x4,
995 AutoReturning = 0x10,
996 PendingLocate = 0x20,
997 PendingSetLoop = 0x40
1000 /* stuff used in process() should be close together to
1004 typedef void (Session::*process_function_type)(nframes_t);
1006 AudioEngine& _engine;
1007 mutable gint processing_prohibited;
1008 process_function_type process_function;
1009 process_function_type last_process_function;
1010 bool waiting_for_sync_offset;
1011 nframes_t _base_frame_rate;
1012 nframes_t _current_frame_rate; //this includes video pullup offset
1013 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1014 int transport_sub_state;
1015 mutable gint _record_status;
1016 volatile nframes_t _transport_frame;
1017 Location* end_location;
1018 Location* start_location;
1022 // varispeed playback
1023 volatile double _transport_speed;
1024 double _last_transport_speed;
1025 double _target_transport_speed;
1026 CubicInterpolation interpolation;
1028 bool auto_play_legal;
1029 nframes_t _last_slave_transport_frame;
1030 nframes_t maximum_output_latency;
1031 volatile nframes64_t _requested_return_frame;
1032 BufferSet* _scratch_buffers;
1033 BufferSet* _silent_buffers;
1034 BufferSet* _mix_buffers;
1035 nframes_t current_block_size;
1036 nframes_t _worst_output_latency;
1037 nframes_t _worst_input_latency;
1038 nframes_t _worst_track_latency;
1039 bool _have_captured;
1041 float _meter_falloff;
1042 bool _non_soloed_outs_muted;
1043 uint32_t _listen_cnt;
1046 void set_worst_io_latencies ();
1047 void set_worst_io_latencies_x (IOChange, void *) {
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 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1063 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1064 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1066 /* slave tracking */
1068 static const int delta_accumulator_size = 25;
1069 int delta_accumulator_cnt;
1070 long delta_accumulator[delta_accumulator_size];
1071 long average_slave_delta;
1073 bool have_first_delta_accumulator;
1081 SlaveState slave_state;
1082 nframes_t slave_wait_end;
1084 void reset_slave_state ();
1085 bool follow_slave (nframes_t);
1086 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
1087 void track_slave_state(float slave_speed, nframes_t slave_transport_frame,
1088 nframes_t this_delta, bool starting);
1089 void follow_slave_silently(nframes_t nframes, float slave_speed);
1091 void set_slave_source (SlaveSource);
1093 SlaveSource post_export_slave;
1094 nframes_t post_export_position;
1097 bool _exporting_realtime;
1099 boost::shared_ptr<ExportHandler> export_handler;
1100 boost::shared_ptr<ExportStatus> export_status;
1103 int stop_audio_export ();
1104 void finalize_audio_export ();
1106 sigc::connection export_freewheel_connection;
1108 void prepare_diskstreams ();
1109 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1110 int process_routes (nframes_t);
1111 int silent_process_routes (nframes_t);
1113 bool get_rec_monitors_input () {
1114 if (actively_recording()) {
1117 if (config.get_auto_input()) {
1125 int get_transport_declick_required () {
1126 if (transport_sub_state & PendingDeclickIn) {
1127 transport_sub_state &= ~PendingDeclickIn;
1129 } else if (transport_sub_state & PendingDeclickOut) {
1136 bool maybe_stop (nframes_t limit) {
1137 if ( (_transport_speed > 0.0f && _transport_frame >= limit)
1138 || (_transport_speed < 0.0f && _transport_frame == 0) ) {
1145 bool maybe_sync_start (nframes_t&);
1147 void check_declick_out ();
1149 MIDI::MachineControl* mmc;
1150 MIDI::Port* _mmc_port;
1151 MIDI::Port* _mtc_port;
1152 MIDI::Port* _midi_port;
1153 MIDI::Port* _midi_clock_port;
1156 bool session_send_mmc;
1157 bool session_send_mtc;
1158 bool session_midi_feedback;
1161 nframes_t last_loopend;
1163 boost::scoped_ptr<SessionDirectory> _session_dir;
1165 RingBuffer<Event*> pending_events;
1168 void when_engine_running ();
1169 void graph_reordered ();
1171 std::string _current_snapshot_name;
1173 XMLTree* state_tree;
1174 bool state_was_pending;
1175 StateOfTheState _state_of_the_state;
1178 int load_options (const XMLNode&);
1179 int load_state (std::string snapshot_name);
1181 nframes_t _last_roll_location;
1182 nframes_t _last_record_location;
1184 bool pending_locate_roll;
1185 nframes_t pending_locate_frame;
1186 bool pending_locate_flush;
1188 bool pending_auto_loop;
1192 enum PostTransportWork {
1193 PostTransportStop = 0x1,
1194 PostTransportDisableRecord = 0x2,
1195 PostTransportPosition = 0x8,
1196 PostTransportDidRecord = 0x20,
1197 PostTransportDuration = 0x40,
1198 PostTransportLocate = 0x80,
1199 PostTransportRoll = 0x200,
1200 PostTransportAbort = 0x800,
1201 PostTransportOverWrite = 0x1000,
1202 PostTransportSpeed = 0x2000,
1203 PostTransportAudition = 0x4000,
1204 PostTransportScrub = 0x8000,
1205 PostTransportReverse = 0x10000,
1206 PostTransportInputChange = 0x20000,
1207 PostTransportCurveRealloc = 0x40000
1210 static const PostTransportWork ProcessCannotProceedMask =
1212 PostTransportInputChange|
1214 PostTransportReverse|
1215 PostTransportCurveRealloc|
1217 PostTransportAudition|
1218 PostTransportLocate|
1221 PostTransportWork post_transport_work;
1223 uint32_t cumulative_rf_motion;
1226 void set_rf_speed (float speed);
1227 void reset_rf_scale (nframes_t frames_moved);
1229 Locations _locations;
1230 void locations_changed ();
1231 void locations_added (Location*);
1232 void handle_locations_changed (Locations::LocationList&);
1234 sigc::connection auto_punch_start_changed_connection;
1235 sigc::connection auto_punch_end_changed_connection;
1236 sigc::connection auto_punch_changed_connection;
1237 void auto_punch_start_changed (Location *);
1238 void auto_punch_end_changed (Location *);
1239 void auto_punch_changed (Location *);
1241 sigc::connection auto_loop_start_changed_connection;
1242 sigc::connection auto_loop_end_changed_connection;
1243 sigc::connection auto_loop_changed_connection;
1244 void auto_loop_changed (Location *);
1246 typedef std::list<Event *> Events;
1248 Events immediate_events;
1249 Events::iterator next_event;
1251 /* there can only ever be one of each of these */
1253 Event *auto_loop_event;
1254 Event *punch_out_event;
1255 Event *punch_in_event;
1259 void dump_events () const;
1260 void queue_event (Event *ev);
1261 void merge_event (Event*);
1262 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1263 bool _replace_event (Event*);
1264 bool _remove_event (Event *);
1265 void _clear_event_type (Event::Type);
1267 void first_stage_init (std::string path, std::string snapshot_name);
1268 int second_stage_init (bool new_tracks);
1269 void find_current_end ();
1270 void remove_empty_sounds ();
1272 void setup_midi_control ();
1273 int midi_read (MIDI::Port *);
1275 void enable_record ();
1277 void increment_transport_position (uint32_t val) {
1278 if (max_frames - val < _transport_frame) {
1279 _transport_frame = max_frames;
1281 _transport_frame += val;
1285 void decrement_transport_position (uint32_t val) {
1286 if (val < _transport_frame) {
1287 _transport_frame -= val;
1289 _transport_frame = 0;
1293 void post_transport_motion ();
1294 static void *session_loader_thread (void *arg);
1298 void set_next_event ();
1299 void process_event (Event *ev);
1301 /* MIDI Machine Control */
1303 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1305 void spp_start (MIDI::Parser&, nframes_t timestamp);
1306 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1307 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1309 void mmc_deferred_play (MIDI::MachineControl &);
1310 void mmc_stop (MIDI::MachineControl &);
1311 void mmc_step (MIDI::MachineControl &, int);
1312 void mmc_pause (MIDI::MachineControl &);
1313 void mmc_record_pause (MIDI::MachineControl &);
1314 void mmc_record_strobe (MIDI::MachineControl &);
1315 void mmc_record_exit (MIDI::MachineControl &);
1316 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1317 void mmc_fast_forward (MIDI::MachineControl &);
1318 void mmc_rewind (MIDI::MachineControl &);
1319 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1320 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1321 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1323 struct timeval last_mmc_step;
1326 typedef sigc::slot<bool> MidiTimeoutCallback;
1327 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1329 MidiTimeoutList midi_timeouts;
1330 bool mmc_step_timeout ();
1332 MIDI::byte mmc_buffer[32];
1333 MIDI::byte mtc_msg[16];
1334 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1335 MIDI::byte midi_msg[16];
1336 nframes_t outbound_mtc_smpte_frame;
1337 SMPTE::Time transmitting_smpte_time;
1338 int next_quarter_frame_to_send;
1340 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1341 nframes_t _frames_per_hour;
1342 nframes_t _smpte_frames_per_hour;
1343 nframes_t _smpte_offset;
1344 bool _smpte_offset_negative;
1346 /* cache the most-recently requested time conversions. This helps when we
1347 * have multiple clocks showing the same time (e.g. the transport frame) */
1348 bool last_smpte_valid;
1349 nframes_t last_smpte_when;
1350 SMPTE::Time last_smpte;
1352 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1354 int send_full_time_code(nframes_t nframes);
1355 int send_midi_time_code_for_cycle(nframes_t nframes);
1357 nframes_t adjust_apparent_position (nframes_t frames);
1359 void reset_record_status ();
1361 int no_roll (nframes_t nframes);
1362 int fail_roll (nframes_t nframes);
1364 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1365 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1367 struct MIDIRequest {
1375 Glib::Mutex midi_lock;
1376 pthread_t midi_thread;
1377 int midi_request_pipe[2];
1378 RingBuffer<MIDIRequest*> midi_requests;
1380 int start_midi_thread ();
1381 void terminate_midi_thread ();
1382 void poke_midi_thread ();
1383 static void *_midi_thread_work (void *arg);
1384 void midi_thread_work ();
1385 void change_midi_ports ();
1386 int use_config_midi_ports ();
1388 void set_play_loop (bool yn);
1389 void overwrite_some_buffers (Diskstream*);
1390 void flush_all_inserts ();
1391 int micro_locate (nframes_t distance);
1392 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1393 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1394 void force_locate (nframes_t frame, bool with_roll = false);
1395 void set_diskstream_speed (Diskstream*, double speed);
1396 void set_transport_speed (double speed, bool abort = false);
1397 void stop_transport (bool abort = false);
1398 void start_transport ();
1399 void realtime_stop (bool abort);
1400 void non_realtime_start_scrub ();
1401 void non_realtime_set_speed ();
1402 void non_realtime_locate ();
1403 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1404 void non_realtime_overwrite (int entry_request_count, bool& finished);
1405 void post_transport ();
1406 void engine_halted ();
1407 void xrun_recovery ();
1409 TempoMap *_tempo_map;
1410 void tempo_map_changed (Change);
1412 /* edit/mix groups */
1414 int load_route_groups (const XMLNode&, int);
1416 std::list<RouteGroup *> _route_groups;
1420 SerializedRCUManager<DiskstreamList> diskstreams;
1422 int load_diskstreams (const XMLNode&);
1426 SerializedRCUManager<RouteList> routes;
1428 void add_routes (RouteList&, bool save);
1429 uint32_t destructive_index;
1431 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1435 bool solo_update_disabled;
1437 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1438 void route_mute_changed (void *src);
1439 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1440 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1442 void listen_position_changed ();
1443 void solo_control_mode_changed ();
1445 /* REGION MANAGEMENT */
1447 std::map<std::string,uint32_t> region_name_map;
1448 void update_region_name_map (boost::shared_ptr<Region>);
1450 mutable Glib::Mutex region_lock;
1451 typedef std::map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1454 void add_region (boost::shared_ptr<Region>);
1455 void region_changed (Change, boost::weak_ptr<Region>);
1456 void remove_region (boost::weak_ptr<Region>);
1458 int load_regions (const XMLNode& node);
1460 void route_group_changed ();
1464 mutable Glib::Mutex source_lock;
1465 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1470 SourceMap get_sources() { return sources; }
1473 int load_sources (const XMLNode& node);
1474 XMLNode& get_sources_as_xml ();
1476 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1480 mutable Glib::Mutex playlist_lock;
1481 typedef std::set<boost::shared_ptr<Playlist> > PlaylistList;
1482 PlaylistList playlists;
1483 PlaylistList unused_playlists;
1485 int load_playlists (const XMLNode&);
1486 int load_unused_playlists (const XMLNode&);
1487 void remove_playlist (boost::weak_ptr<Playlist>);
1488 void track_playlist (bool, boost::weak_ptr<Playlist>);
1490 boost::shared_ptr<Playlist> playlist_factory (std::string name);
1491 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1493 void playlist_length_changed ();
1494 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1496 /* NAMED SELECTIONS */
1498 mutable Glib::Mutex named_selection_lock;
1499 typedef std::set<NamedSelection *> NamedSelectionList;
1500 NamedSelectionList named_selections;
1502 int load_named_selections (const XMLNode&);
1504 NamedSelection *named_selection_factory (std::string name);
1505 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1507 /* CURVES and AUTOMATION LISTS */
1508 std::map<PBD::ID, AutomationList*> automation_lists;
1510 /* DEFAULT FADE CURVES */
1512 float default_fade_steepness;
1513 float default_fade_msecs;
1517 boost::shared_ptr<Auditioner> auditioner;
1518 void set_audition (boost::shared_ptr<Region>);
1519 void non_realtime_set_audition ();
1520 boost::shared_ptr<Region> pending_audition_region;
1526 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1528 /* INSERT AND SEND MANAGEMENT */
1530 boost::dynamic_bitset<uint32_t> send_bitset;
1531 boost::dynamic_bitset<uint32_t> return_bitset;
1532 boost::dynamic_bitset<uint32_t> insert_bitset;
1534 void add_processor (Processor *);
1535 void remove_processor (Processor *);
1539 struct space_and_path {
1540 uint32_t blocks; /* 4kB blocks */
1548 struct space_and_path_ascending_cmp {
1549 bool operator() (space_and_path a, space_and_path b) {
1550 return a.blocks > b.blocks;
1554 void setup_raid_path (std::string path);
1556 std::vector<space_and_path> session_dirs;
1557 std::vector<space_and_path>::iterator last_rr_session_dir;
1558 uint32_t _total_free_4k_blocks;
1559 Glib::Mutex space_lock;
1561 std::string get_best_session_directory_for_new_source ();
1563 mutable gint _playback_load;
1564 mutable gint _capture_load;
1565 mutable gint _playback_load_min;
1566 mutable gint _capture_load_min;
1570 SerializedRCUManager<BundleList> _bundles;
1571 XMLNode* _bundle_xml_node;
1572 int load_bundles (XMLNode const &);
1574 void reverse_diskstream_buffers ();
1576 UndoHistory _history;
1577 std::stack<UndoTransaction*> _current_trans;
1579 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1580 GlobalRouteMeterState get_global_route_metering ();
1582 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1583 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1585 void set_global_mute (GlobalRouteBooleanState s, void *src);
1586 void set_global_solo (GlobalRouteBooleanState s, void *src);
1587 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1589 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1590 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1591 void reset_jack_connection (jack_client_t* jack);
1592 void record_enable_change_all (bool yn);
1594 XMLNode& state(bool);
1604 Click (nframes_t s, nframes_t d, const Sample *b)
1605 : start (s), duration (d), data (b) { offset = 0; }
1607 void *operator new (size_t) {
1608 return pool.alloc ();
1611 void operator delete(void *ptr, size_t /*size*/) {
1619 typedef std::list<Click*> Clicks;
1623 boost::shared_ptr<IO> _click_io;
1625 Sample* click_emphasis_data;
1626 nframes_t click_length;
1627 nframes_t click_emphasis_length;
1628 mutable Glib::RWLock click_lock;
1630 static const Sample default_click[];
1631 static const nframes_t default_click_length;
1632 static const Sample default_click_emphasis[];
1633 static const nframes_t default_click_emphasis_length;
1636 void setup_click_sounds (int which);
1637 void clear_clicks ();
1638 void click (nframes_t start, nframes_t nframes);
1640 std::vector<Route*> master_outs;
1642 /* range playback */
1644 std::list<AudioRange> current_audio_range;
1646 void set_play_range (bool yn);
1647 void setup_auto_play ();
1652 boost::shared_ptr<Route> _master_out;
1653 boost::shared_ptr<Route> _control_out;
1655 gain_t* _gain_automation_buffer;
1656 pan_t** _pan_automation_buffer;
1657 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1658 uint32_t _npan_buffers;
1662 long _vst_callback (VSTPlugin*,
1669 /* number of hardware ports we're using,
1670 based on max (requested,available)
1673 uint32_t n_physical_outputs;
1674 uint32_t n_physical_inputs;
1676 uint32_t n_physical_audio_outputs;
1677 uint32_t n_physical_audio_inputs;
1679 uint32_t n_physical_midi_outputs;
1680 uint32_t n_physical_midi_inputs;
1682 int find_all_sources (std::string path, std::set<std::string>& result);
1683 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1685 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1686 Glib::Mutex controllables_lock;
1687 Controllables controllables;
1689 void reset_native_file_format();
1690 bool first_file_data_format_reset;
1691 bool first_file_header_format_reset;
1693 void config_changed (std::string, bool);
1695 XMLNode& get_control_protocol_state ();
1697 void set_history_depth (uint32_t depth);
1698 void sync_order_keys ();
1700 static bool _disable_all_loaded_plugins;
1702 SessionMetadata * _metadata;
1704 mutable bool have_looped; ///< Used in ::audible_frame(*)
1706 void update_have_rec_enabled_diskstream ();
1707 gint _have_rec_enabled_diskstream;
1710 } // namespace ARDOUR
1712 #endif /* __ardour_session_h__ */