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 uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
302 uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
304 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
305 uint32_t n_diskstreams() const;
307 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
309 int load_routes (const XMLNode&, int);
310 boost::shared_ptr<RouteList> get_routes() const {
311 return routes.reader ();
314 uint32_t nroutes() const { return routes.reader()->size(); }
315 uint32_t ntracks () const;
316 uint32_t nbusses () const;
318 boost::shared_ptr<BundleList> bundles () {
319 return _bundles.reader ();
322 struct RoutePublicOrderSorter {
323 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
326 void sync_order_keys (std::string const &);
328 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
329 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
330 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
332 boost::shared_ptr<Route> route_by_name (std::string);
333 boost::shared_ptr<Route> route_by_id (PBD::ID);
334 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
336 bool route_name_unique (std::string) const;
337 bool route_name_internal (std::string) const;
339 bool get_record_enabled() const {
340 return (record_status () >= Enabled);
343 RecordState record_status() const {
344 return (RecordState) g_atomic_int_get (&_record_status);
347 bool actively_recording () {
348 return record_status() == Recording;
351 bool record_enabling_legal () const;
352 void maybe_enable_record ();
353 void disable_record (bool rt_context, bool force = false);
354 void step_back_from_record ();
356 void maybe_write_autosave ();
358 /* Proxy signal for region hidden changes */
360 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
362 /* Emitted when all i/o connections are complete */
364 sigc::signal<void> IOConnectionsComplete;
366 /* Record status signals */
368 sigc::signal<void> RecordStateChanged;
370 /* Transport mechanism signals */
372 sigc::signal<void> TransportStateChange; /* generic */
373 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
374 sigc::signal<void> DurationChanged;
375 sigc::signal<void,nframes_t> Xrun;
376 sigc::signal<void> TransportLooped;
378 /** emitted when a locate has occurred */
379 sigc::signal<void> Located;
381 sigc::signal<void,RouteList&> RouteAdded;
382 sigc::signal<void> RouteGroupChanged;
384 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
385 void request_bounded_roll (nframes_t start, nframes_t end);
386 void request_stop (bool abort = false);
387 void request_locate (nframes_t frame, bool with_roll = false);
389 void request_play_loop (bool yn);
390 bool get_play_loop () const { return play_loop; }
392 nframes_t last_transport_start() const { return _last_roll_location; }
393 void goto_end () { request_locate (end_location->start(), false);}
394 void goto_start () { request_locate (start_location->start(), false); }
395 void set_session_start (nframes_t start) { start_location->set_start(start); }
396 void set_session_end (nframes_t end) { end_location->set_start(end); config.set_end_marker_is_free (false); }
397 void use_rf_shuttle_speed ();
398 void allow_auto_play (bool yn);
399 void request_transport_speed (double speed);
400 void request_overwrite_buffer (Diskstream*);
401 void request_diskstream_speed (Diskstream&, double speed);
402 void request_input_change_handling ();
404 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
405 bool transport_locked () const;
409 int remove_region_from_region_list (boost::shared_ptr<Region>);
411 nframes_t get_maximum_extent () const;
412 nframes_t current_end_frame() const { return end_location->start(); }
413 nframes_t current_start_frame() const { return start_location->start(); }
414 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
415 nframes_t frame_rate() const { return _current_frame_rate; }
416 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
417 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
418 nframes_t frames_per_hour() const { return _frames_per_hour; }
420 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
421 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
423 MIDI::byte get_mtc_smpte_bits() const {
424 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
427 float smpte_frames_per_second() const;
428 bool smpte_drop_frames() const;
432 Locations *locations() { return &_locations; }
434 sigc::signal<void,Location*> auto_loop_location_changed;
435 sigc::signal<void,Location*> auto_punch_location_changed;
436 sigc::signal<void> locations_modified;
438 void set_auto_punch_location (Location *);
439 void set_auto_loop_location (Location *);
440 int location_name(std::string& result, std::string base = std::string(""));
442 void reset_input_monitor_state ();
444 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
445 void remove_event (nframes_t frame, Event::Type type);
446 void clear_events (Event::Type type);
448 nframes_t get_block_size() const { return current_block_size; }
449 nframes_t worst_output_latency () const { return _worst_output_latency; }
450 nframes_t worst_input_latency () const { return _worst_input_latency; }
451 nframes_t worst_track_latency () const { return _worst_track_latency; }
453 int save_state (std::string snapshot_name, bool pending = false);
454 int restore_state (std::string snapshot_name);
455 int save_template (std::string template_name);
456 int save_history (std::string snapshot_name = "");
457 int restore_history (std::string snapshot_name);
458 void remove_state (std::string snapshot_name);
459 void rename_state (std::string old_name, std::string new_name);
460 void remove_pending_capture_state ();
462 static int rename_template (std::string old_name, std::string new_name);
463 static int delete_template (std::string name);
465 sigc::signal<void,std::string> StateSaved;
466 sigc::signal<void> StateReady;
468 std::vector<std::string*>* possible_states() const;
469 static std::vector<std::string*>* possible_states (std::string path);
471 XMLNode& get_state();
472 int set_state(const XMLNode& node, int version); // not idempotent
473 XMLNode& get_template();
475 /// The instant xml file is written to the session directory
476 void add_instant_xml (XMLNode&, bool write_to_config = true);
477 XMLNode* instant_xml (const std::string& str);
479 enum StateOfTheState {
484 InitialConnecting = 0x8,
489 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
491 void add_route_group (RouteGroup *);
492 void remove_route_group (RouteGroup&);
494 RouteGroup *route_group_by_name (std::string);
496 sigc::signal<void,RouteGroup*> route_group_added;
497 sigc::signal<void> route_group_removed;
499 void foreach_route_group (sigc::slot<void,RouteGroup*> sl) {
500 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); i++) {
505 /* fundamental operations. duh. */
507 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
508 int input_channels, int output_channels, TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
511 RouteList new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many);
513 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
514 TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
517 void remove_route (boost::shared_ptr<Route>);
518 void resort_routes ();
519 void resort_routes_using (boost::shared_ptr<RouteList>);
521 void set_remote_control_ids();
523 AudioEngine & engine() { return _engine; }
524 AudioEngine const & engine () const { return _engine; }
531 nframes_t transport_frame () const {return _transport_frame; }
532 nframes_t audible_frame () const;
533 nframes64_t requested_return_frame() const { return _requested_return_frame; }
547 void sync_time_vars();
549 void bbt_time (nframes_t when, BBT_Time&);
550 void smpte_to_sample(SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes) const;
551 void sample_to_smpte(nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes) const;
552 void smpte_time (SMPTE::Time &);
553 void smpte_time (nframes_t when, SMPTE::Time&);
554 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
556 void smpte_duration (nframes_t, SMPTE::Time&) const;
557 void smpte_duration_string (char *, nframes_t) const;
559 void set_smpte_offset (nframes_t);
560 nframes_t smpte_offset () const { return _smpte_offset; }
561 void set_smpte_offset_negative (bool);
562 bool smpte_offset_negative () const { return _smpte_offset_negative; }
564 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
566 static sigc::signal<void> StartTimeChanged;
567 static sigc::signal<void> EndTimeChanged;
568 static sigc::signal<void> SMPTEOffsetChanged;
570 void request_slave_source (SlaveSource);
571 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
573 double transport_speed() const { return _transport_speed; }
574 bool transport_stopped() const { return _transport_speed == 0.0f; }
575 bool transport_rolling() const { return _transport_speed != 0.0f; }
577 void set_silent (bool yn);
578 bool silent () { return _silent; }
580 int jack_slave_sync (nframes_t);
582 TempoMap& tempo_map() { return *_tempo_map; }
584 /// signals the current transport position in frames, bbt and smpte time (in that order)
585 sigc::signal<void, const nframes_t&, const BBT_Time&, const SMPTE::Time&> tick;
589 void add_regions (std::vector<boost::shared_ptr<Region> >&);
591 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
592 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
593 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
595 int region_name (std::string& result, std::string base = std::string(""), bool newlevel = false);
596 std::string new_region_name (std::string);
597 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
599 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
601 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
603 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
604 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
605 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
607 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
609 /* source management */
611 struct ImportStatus : public InterThreadInfo {
612 std::string doing_what;
617 volatile bool freeze;
618 std::vector<Glib::ustring> paths;
619 bool replace_existing_source;
625 void import_audiofiles (ImportStatus&);
626 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
627 std::string build_tmp_convert_name (std::string file);
629 boost::shared_ptr<ExportHandler> get_export_handler ();
630 boost::shared_ptr<ExportStatus> get_export_status ();
632 int start_audio_export (nframes_t position, bool realtime);
634 sigc::signal<int, nframes_t> ProcessExport;
635 sigc::signal<void> ExportReadFinished;
636 static sigc::signal<void, std::string, std::string> Exported;
638 void add_source (boost::shared_ptr<Source>);
639 void remove_source (boost::weak_ptr<Source>);
641 struct cleanup_report {
642 std::vector<std::string> paths;
646 int cleanup_sources (cleanup_report&);
647 int cleanup_trash_sources (cleanup_report&);
649 int destroy_region (boost::shared_ptr<Region>);
650 int destroy_regions (std::list<boost::shared_ptr<Region> >);
652 int remove_last_capture ();
654 /** handlers should return -1 for "stop cleanup",
655 0 for "yes, delete this playlist",
656 1 for "no, don't delete this playlist".
658 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
660 /** handlers should return 0 for "ignore the rate mismatch",
661 !0 for "do not use this session"
663 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
665 /** handlers should return !0 for use pending state, 0 for ignore it.
667 static sigc::signal<int> AskAboutPendingState;
669 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
671 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
673 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
674 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
676 /* playlist management */
678 boost::shared_ptr<Playlist> playlist_by_name (std::string name);
679 void unassigned_playlists (std::list<boost::shared_ptr<Playlist> > & list);
680 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
681 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
682 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
684 uint32_t n_playlists() const;
686 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
687 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
689 /* named selections */
691 NamedSelection* named_selection_by_name (std::string name);
692 void add_named_selection (NamedSelection *);
693 void remove_named_selection (NamedSelection *);
695 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
696 sigc::signal<void> NamedSelectionAdded;
697 sigc::signal<void> NamedSelectionRemoved;
699 /* Curves and AutomationLists (TODO when they go away) */
700 void add_automation_list(AutomationList*);
704 float get_default_fade_length () const { return default_fade_msecs; }
705 float get_default_fade_steepness () const { return default_fade_steepness; }
706 void set_default_fade (float steepness, float msecs);
710 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
711 void audition_playlist ();
712 void audition_region (boost::shared_ptr<Region>);
713 void cancel_audition ();
714 bool is_auditioning () const;
716 sigc::signal<void,bool> AuditionActive;
718 /* flattening stuff */
720 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
721 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
722 bool enable_processing = true);
723 int freeze (InterThreadInfo&);
725 /* session-wide solo/mute/rec-enable */
727 bool soloing() const { return _non_soloed_outs_muted; }
728 bool listening() const { return _listen_cnt > 0; }
730 void set_all_solo (bool);
731 void set_all_mute (bool);
732 void set_all_listen (bool);
734 sigc::signal<void,bool> SoloActive;
735 sigc::signal<void> SoloChanged;
737 void record_disenable_all ();
738 void record_enable_all ();
740 /* control/master out */
742 boost::shared_ptr<Route> control_out() const { return _control_out; }
743 boost::shared_ptr<Route> master_out() const { return _master_out; }
745 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p);
746 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
747 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
748 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
749 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
751 static void set_disable_all_loaded_plugins (bool yn) {
752 _disable_all_loaded_plugins = yn;
754 static bool get_disable_all_loaded_plugins() {
755 return _disable_all_loaded_plugins;
758 uint32_t next_send_id();
759 uint32_t next_return_id();
760 uint32_t next_insert_id();
761 void mark_send_id (uint32_t);
762 void mark_return_id (uint32_t);
763 void mark_insert_id (uint32_t);
765 /* s/w "RAID" management */
767 nframes_t available_capture_duration();
771 void add_bundle (boost::shared_ptr<Bundle>);
772 void remove_bundle (boost::shared_ptr<Bundle>);
773 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
775 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
776 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
780 void midi_panic(void);
781 int set_mtc_port (std::string port_tag);
782 int set_mmc_port (std::string port_tag);
783 int set_midi_port (std::string port_tag);
784 int set_midi_clock_port (std::string port_tag);
785 MIDI::Port *mtc_port() const { return _mtc_port; }
786 MIDI::Port *mmc_port() const { return _mmc_port; }
787 MIDI::Port *midi_port() const { return _midi_port; }
788 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
790 sigc::signal<void> MTC_PortChanged;
791 sigc::signal<void> MMC_PortChanged;
792 sigc::signal<void> MIDI_PortChanged;
793 sigc::signal<void> MIDIClock_PortChanged;
795 void set_trace_midi_input (bool, MIDI::Port* port = 0);
796 void set_trace_midi_output (bool, MIDI::Port* port = 0);
798 bool get_trace_midi_input(MIDI::Port *port = 0);
799 bool get_trace_midi_output(MIDI::Port *port = 0);
801 void set_mmc_receive_device_id (uint32_t id);
802 void set_mmc_send_device_id (uint32_t id);
806 void start_scrub (nframes_t where);
808 void set_scrub_speed (float);
809 nframes_t scrub_buffer_size() const;
810 sigc::signal<void> ScrubReady;
812 /* History (for editors, mixers, UIs etc.) */
814 /** Undo some transactions.
815 * @param n Number of transactions to undo.
817 void undo (uint32_t n) {
821 void redo (uint32_t n) {
825 UndoHistory& history() { return _history; }
827 uint32_t undo_depth() const { return _history.undo_depth(); }
828 uint32_t redo_depth() const { return _history.redo_depth(); }
829 std::string next_undo() const { return _history.next_undo(); }
830 std::string next_redo() const { return _history.next_redo(); }
832 void begin_reversible_command (const std::string& cmd_name);
833 void commit_reversible_command (Command* cmd = 0);
835 void add_command (Command *const cmd) {
836 assert(!_current_trans.empty ());
837 _current_trans.top()->add_command (cmd);
840 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
842 // these commands are implemented in libs/ardour/session_command.cc
843 Command* memento_command_factory(XMLNode* n);
844 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
846 Command* global_state_command_factory (const XMLNode& n);
848 class GlobalRouteStateCommand : public Command
851 GlobalRouteStateCommand (Session&, void*);
852 GlobalRouteStateCommand (Session&, const XMLNode& node);
853 int set_state (const XMLNode&, int version);
854 XMLNode& get_state ();
857 GlobalRouteBooleanState before, after;
862 class GlobalSoloStateCommand : public GlobalRouteStateCommand
865 GlobalSoloStateCommand (Session &, void *src);
866 GlobalSoloStateCommand (Session&, const XMLNode&);
867 void operator()(); //redo
869 XMLNode &get_state();
873 class GlobalMuteStateCommand : public GlobalRouteStateCommand
876 GlobalMuteStateCommand(Session &, void *src);
877 GlobalMuteStateCommand (Session&, const XMLNode&);
878 void operator()(); // redo
880 XMLNode &get_state();
884 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
887 GlobalRecordEnableStateCommand(Session &, void *src);
888 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
889 void operator()(); // redo
891 XMLNode &get_state();
895 class GlobalMeteringStateCommand : public Command
898 GlobalMeteringStateCommand(Session &, void *src);
899 GlobalMeteringStateCommand (Session&, const XMLNode&);
902 XMLNode &get_state();
903 int set_state (const XMLNode&, int version);
909 GlobalRouteMeterState before;
910 GlobalRouteMeterState after;
915 boost::shared_ptr<IO> click_io() { return _click_io; }
917 /* disk, buffer loads */
919 uint32_t playback_load ();
920 uint32_t capture_load ();
921 uint32_t playback_load_min ();
922 uint32_t capture_load_min ();
924 void reset_playback_load_min ();
925 void reset_capture_load_min ();
927 float read_data_rate () const; // in usec
928 float write_data_rate () const;
932 void set_audio_range (std::list<AudioRange>&);
933 void set_music_range (std::list<MusicRange>&);
935 void request_play_range (bool yn);
936 bool get_play_range () const { return _play_range; }
938 /* buffers for gain and pan */
940 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
941 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
943 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
947 static long vst_callback (AEffect* effect,
954 static sigc::signal<void> SendFeedback;
958 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
960 void add_controllable (boost::shared_ptr<PBD::Controllable>);
961 void remove_controllable (PBD::Controllable*);
963 SessionMetadata & metadata () { return *_metadata; }
965 SessionConfiguration config;
967 bool exporting () const {
972 friend class AudioEngine;
973 void set_block_size (nframes_t nframes);
974 void set_frame_rate (nframes_t nframes);
977 friend class Diskstream;
979 void wait_till_butler_finished();
983 void schedule_curve_reallocation ();
984 void update_latency_compensation (bool, bool);
987 int create (bool& new_session, const std::string& mix_template, nframes_t initial_length);
990 nframes_t compute_initial_length ();
993 PendingDeclickIn = 0x1,
994 PendingDeclickOut = 0x2,
995 StopPendingCapture = 0x4,
996 AutoReturning = 0x10,
997 PendingLocate = 0x20,
998 PendingSetLoop = 0x40
1001 /* stuff used in process() should be close together to
1005 typedef void (Session::*process_function_type)(nframes_t);
1007 AudioEngine& _engine;
1008 mutable gint processing_prohibited;
1009 process_function_type process_function;
1010 process_function_type last_process_function;
1011 bool waiting_for_sync_offset;
1012 nframes_t _base_frame_rate;
1013 nframes_t _current_frame_rate; //this includes video pullup offset
1014 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1015 int transport_sub_state;
1016 mutable gint _record_status;
1017 volatile nframes_t _transport_frame;
1018 Location* end_location;
1019 Location* start_location;
1023 // varispeed playback
1024 volatile double _transport_speed;
1025 double _last_transport_speed;
1026 double _target_transport_speed;
1027 CubicInterpolation interpolation;
1029 bool auto_play_legal;
1030 nframes_t _last_slave_transport_frame;
1031 nframes_t maximum_output_latency;
1032 volatile nframes64_t _requested_return_frame;
1033 BufferSet* _scratch_buffers;
1034 BufferSet* _silent_buffers;
1035 BufferSet* _mix_buffers;
1036 nframes_t current_block_size;
1037 nframes_t _worst_output_latency;
1038 nframes_t _worst_input_latency;
1039 nframes_t _worst_track_latency;
1040 bool _have_captured;
1042 float _meter_falloff;
1043 bool _non_soloed_outs_muted;
1044 uint32_t _listen_cnt;
1047 void set_worst_io_latencies ();
1048 void set_worst_io_latencies_x (IOChange, void *) {
1049 set_worst_io_latencies ();
1052 void update_latency_compensation_proxy (void* ignored);
1054 void ensure_buffers (ChanCount howmany);
1056 void process_scrub (nframes_t);
1057 void process_without_events (nframes_t);
1058 void process_with_events (nframes_t);
1059 void process_audition (nframes_t);
1060 void process_export (nframes_t);
1061 int process_export_fw (nframes_t);
1063 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1064 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1065 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1067 /* slave tracking */
1069 static const int delta_accumulator_size = 25;
1070 int delta_accumulator_cnt;
1071 long delta_accumulator[delta_accumulator_size];
1072 long average_slave_delta;
1074 bool have_first_delta_accumulator;
1082 SlaveState slave_state;
1083 nframes_t slave_wait_end;
1085 void reset_slave_state ();
1086 bool follow_slave (nframes_t);
1087 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
1088 void track_slave_state(float slave_speed, nframes_t slave_transport_frame,
1089 nframes_t this_delta, bool starting);
1090 void follow_slave_silently(nframes_t nframes, float slave_speed);
1092 void set_slave_source (SlaveSource);
1094 SlaveSource post_export_slave;
1095 nframes_t post_export_position;
1098 bool _exporting_realtime;
1100 boost::shared_ptr<ExportHandler> export_handler;
1101 boost::shared_ptr<ExportStatus> export_status;
1104 int stop_audio_export ();
1105 void finalize_audio_export ();
1107 sigc::connection export_freewheel_connection;
1109 void prepare_diskstreams ();
1110 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1111 int process_routes (nframes_t);
1112 int silent_process_routes (nframes_t);
1114 bool get_rec_monitors_input () {
1115 if (actively_recording()) {
1118 if (config.get_auto_input()) {
1126 int get_transport_declick_required () {
1127 if (transport_sub_state & PendingDeclickIn) {
1128 transport_sub_state &= ~PendingDeclickIn;
1130 } else if (transport_sub_state & PendingDeclickOut) {
1137 bool maybe_stop (nframes_t limit) {
1138 if ( (_transport_speed > 0.0f && _transport_frame >= limit)
1139 || (_transport_speed < 0.0f && _transport_frame == 0) ) {
1146 bool maybe_sync_start (nframes_t&);
1148 void check_declick_out ();
1150 MIDI::MachineControl* mmc;
1151 MIDI::Port* _mmc_port;
1152 MIDI::Port* _mtc_port;
1153 MIDI::Port* _midi_port;
1154 MIDI::Port* _midi_clock_port;
1157 bool session_send_mmc;
1158 bool session_send_mtc;
1159 bool session_midi_feedback;
1162 nframes_t last_loopend;
1164 boost::scoped_ptr<SessionDirectory> _session_dir;
1166 RingBuffer<Event*> pending_events;
1169 void when_engine_running ();
1170 void graph_reordered ();
1172 std::string _current_snapshot_name;
1174 XMLTree* state_tree;
1175 bool state_was_pending;
1176 StateOfTheState _state_of_the_state;
1179 int load_options (const XMLNode&);
1180 int load_state (std::string snapshot_name);
1182 nframes_t _last_roll_location;
1183 nframes_t _last_record_location;
1185 bool pending_locate_roll;
1186 nframes_t pending_locate_frame;
1187 bool pending_locate_flush;
1189 bool pending_auto_loop;
1193 bool transport_work_requested() const;
1195 struct ButlerRequest {
1204 enum PostTransportWork {
1205 PostTransportStop = 0x1,
1206 PostTransportDisableRecord = 0x2,
1207 PostTransportPosition = 0x8,
1208 PostTransportDidRecord = 0x20,
1209 PostTransportDuration = 0x40,
1210 PostTransportLocate = 0x80,
1211 PostTransportRoll = 0x200,
1212 PostTransportAbort = 0x800,
1213 PostTransportOverWrite = 0x1000,
1214 PostTransportSpeed = 0x2000,
1215 PostTransportAudition = 0x4000,
1216 PostTransportScrub = 0x8000,
1217 PostTransportReverse = 0x10000,
1218 PostTransportInputChange = 0x20000,
1219 PostTransportCurveRealloc = 0x40000
1222 static const PostTransportWork ProcessCannotProceedMask =
1224 PostTransportInputChange|
1226 PostTransportReverse|
1227 PostTransportCurveRealloc|
1229 PostTransportAudition|
1230 PostTransportLocate|
1233 PostTransportWork post_transport_work;
1235 void summon_butler ();
1236 void schedule_butler_transport_work ();
1237 int start_butler_thread ();
1238 void terminate_butler_thread ();
1239 static void *_butler_thread_work (void *arg);
1240 void* butler_thread_work ();
1242 uint32_t cumulative_rf_motion;
1245 void set_rf_speed (float speed);
1246 void reset_rf_scale (nframes_t frames_moved);
1248 Locations _locations;
1249 void locations_changed ();
1250 void locations_added (Location*);
1251 void handle_locations_changed (Locations::LocationList&);
1253 sigc::connection auto_punch_start_changed_connection;
1254 sigc::connection auto_punch_end_changed_connection;
1255 sigc::connection auto_punch_changed_connection;
1256 void auto_punch_start_changed (Location *);
1257 void auto_punch_end_changed (Location *);
1258 void auto_punch_changed (Location *);
1260 sigc::connection auto_loop_start_changed_connection;
1261 sigc::connection auto_loop_end_changed_connection;
1262 sigc::connection auto_loop_changed_connection;
1263 void auto_loop_changed (Location *);
1265 typedef std::list<Event *> Events;
1267 Events immediate_events;
1268 Events::iterator next_event;
1270 /* there can only ever be one of each of these */
1272 Event *auto_loop_event;
1273 Event *punch_out_event;
1274 Event *punch_in_event;
1278 void dump_events () const;
1279 void queue_event (Event *ev);
1280 void merge_event (Event*);
1281 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1282 bool _replace_event (Event*);
1283 bool _remove_event (Event *);
1284 void _clear_event_type (Event::Type);
1286 void first_stage_init (std::string path, std::string snapshot_name);
1287 int second_stage_init (bool new_tracks);
1288 void find_current_end ();
1289 void remove_empty_sounds ();
1291 void setup_midi_control ();
1292 int midi_read (MIDI::Port *);
1294 void enable_record ();
1296 void increment_transport_position (uint32_t val) {
1297 if (max_frames - val < _transport_frame) {
1298 _transport_frame = max_frames;
1300 _transport_frame += val;
1304 void decrement_transport_position (uint32_t val) {
1305 if (val < _transport_frame) {
1306 _transport_frame -= val;
1308 _transport_frame = 0;
1312 void post_transport_motion ();
1313 static void *session_loader_thread (void *arg);
1317 void set_next_event ();
1318 void process_event (Event *ev);
1320 /* MIDI Machine Control */
1322 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1324 void spp_start (MIDI::Parser&, nframes_t timestamp);
1325 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1326 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1328 void mmc_deferred_play (MIDI::MachineControl &);
1329 void mmc_stop (MIDI::MachineControl &);
1330 void mmc_step (MIDI::MachineControl &, int);
1331 void mmc_pause (MIDI::MachineControl &);
1332 void mmc_record_pause (MIDI::MachineControl &);
1333 void mmc_record_strobe (MIDI::MachineControl &);
1334 void mmc_record_exit (MIDI::MachineControl &);
1335 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1336 void mmc_fast_forward (MIDI::MachineControl &);
1337 void mmc_rewind (MIDI::MachineControl &);
1338 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1339 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1340 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1342 struct timeval last_mmc_step;
1345 typedef sigc::slot<bool> MidiTimeoutCallback;
1346 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1348 MidiTimeoutList midi_timeouts;
1349 bool mmc_step_timeout ();
1351 MIDI::byte mmc_buffer[32];
1352 MIDI::byte mtc_msg[16];
1353 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1354 MIDI::byte midi_msg[16];
1355 nframes_t outbound_mtc_smpte_frame;
1356 SMPTE::Time transmitting_smpte_time;
1357 int next_quarter_frame_to_send;
1359 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1360 nframes_t _frames_per_hour;
1361 nframes_t _smpte_frames_per_hour;
1362 nframes_t _smpte_offset;
1363 bool _smpte_offset_negative;
1365 /* cache the most-recently requested time conversions. This helps when we
1366 * have multiple clocks showing the same time (e.g. the transport frame) */
1367 bool last_smpte_valid;
1368 nframes_t last_smpte_when;
1369 SMPTE::Time last_smpte;
1371 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1373 int send_full_time_code(nframes_t nframes);
1374 int send_midi_time_code_for_cycle(nframes_t nframes);
1376 nframes_t adjust_apparent_position (nframes_t frames);
1378 void reset_record_status ();
1380 int no_roll (nframes_t nframes);
1381 int fail_roll (nframes_t nframes);
1383 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1384 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1386 struct MIDIRequest {
1394 Glib::Mutex midi_lock;
1395 pthread_t midi_thread;
1396 int midi_request_pipe[2];
1397 RingBuffer<MIDIRequest*> midi_requests;
1399 int start_midi_thread ();
1400 void terminate_midi_thread ();
1401 void poke_midi_thread ();
1402 static void *_midi_thread_work (void *arg);
1403 void midi_thread_work ();
1404 void change_midi_ports ();
1405 int use_config_midi_ports ();
1407 void set_play_loop (bool yn);
1408 void overwrite_some_buffers (Diskstream*);
1409 void flush_all_inserts ();
1410 int micro_locate (nframes_t distance);
1411 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1412 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1413 void force_locate (nframes_t frame, bool with_roll = false);
1414 void set_diskstream_speed (Diskstream*, double speed);
1415 void set_transport_speed (double speed, bool abort = false);
1416 void stop_transport (bool abort = false);
1417 void start_transport ();
1418 void realtime_stop (bool abort);
1419 void non_realtime_start_scrub ();
1420 void non_realtime_set_speed ();
1421 void non_realtime_locate ();
1422 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1423 void non_realtime_overwrite (int entry_request_count, bool& finished);
1424 void butler_transport_work ();
1425 void post_transport ();
1426 void engine_halted ();
1427 void xrun_recovery ();
1429 TempoMap *_tempo_map;
1430 void tempo_map_changed (Change);
1432 /* edit/mix groups */
1434 int load_route_groups (const XMLNode&, int);
1436 std::list<RouteGroup *> _route_groups;
1440 SerializedRCUManager<DiskstreamList> diskstreams;
1442 uint32_t audio_dstream_buffer_size;
1443 uint32_t midi_dstream_buffer_size;
1444 int load_diskstreams (const XMLNode&);
1448 SerializedRCUManager<RouteList> routes;
1450 void add_routes (RouteList&, bool save);
1451 uint32_t destructive_index;
1453 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1457 bool solo_update_disabled;
1459 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1460 void route_mute_changed (void *src);
1461 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1462 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1464 void listen_position_changed ();
1465 void solo_control_mode_changed ();
1467 /* REGION MANAGEMENT */
1469 std::map<std::string,uint32_t> region_name_map;
1470 void update_region_name_map (boost::shared_ptr<Region>);
1472 mutable Glib::Mutex region_lock;
1473 typedef std::map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1476 void add_region (boost::shared_ptr<Region>);
1477 void region_changed (Change, boost::weak_ptr<Region>);
1478 void remove_region (boost::weak_ptr<Region>);
1480 int load_regions (const XMLNode& node);
1482 void route_group_changed ();
1486 mutable Glib::Mutex source_lock;
1487 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1492 SourceMap get_sources() { return sources; }
1495 int load_sources (const XMLNode& node);
1496 XMLNode& get_sources_as_xml ();
1498 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1502 mutable Glib::Mutex playlist_lock;
1503 typedef std::set<boost::shared_ptr<Playlist> > PlaylistList;
1504 PlaylistList playlists;
1505 PlaylistList unused_playlists;
1507 int load_playlists (const XMLNode&);
1508 int load_unused_playlists (const XMLNode&);
1509 void remove_playlist (boost::weak_ptr<Playlist>);
1510 void track_playlist (bool, boost::weak_ptr<Playlist>);
1512 boost::shared_ptr<Playlist> playlist_factory (std::string name);
1513 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1515 void playlist_length_changed ();
1516 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1518 /* NAMED SELECTIONS */
1520 mutable Glib::Mutex named_selection_lock;
1521 typedef std::set<NamedSelection *> NamedSelectionList;
1522 NamedSelectionList named_selections;
1524 int load_named_selections (const XMLNode&);
1526 NamedSelection *named_selection_factory (std::string name);
1527 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1529 /* CURVES and AUTOMATION LISTS */
1530 std::map<PBD::ID, AutomationList*> automation_lists;
1532 /* DEFAULT FADE CURVES */
1534 float default_fade_steepness;
1535 float default_fade_msecs;
1539 boost::shared_ptr<Auditioner> auditioner;
1540 void set_audition (boost::shared_ptr<Region>);
1541 void non_realtime_set_audition ();
1542 boost::shared_ptr<Region> pending_audition_region;
1548 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1550 /* INSERT AND SEND MANAGEMENT */
1552 boost::dynamic_bitset<uint32_t> send_bitset;
1553 boost::dynamic_bitset<uint32_t> return_bitset;
1554 boost::dynamic_bitset<uint32_t> insert_bitset;
1556 void add_processor (Processor *);
1557 void remove_processor (Processor *);
1561 struct space_and_path {
1562 uint32_t blocks; /* 4kB blocks */
1570 struct space_and_path_ascending_cmp {
1571 bool operator() (space_and_path a, space_and_path b) {
1572 return a.blocks > b.blocks;
1576 void setup_raid_path (std::string path);
1578 std::vector<space_and_path> session_dirs;
1579 std::vector<space_and_path>::iterator last_rr_session_dir;
1580 uint32_t _total_free_4k_blocks;
1581 Glib::Mutex space_lock;
1583 std::string get_best_session_directory_for_new_source ();
1584 void refresh_disk_space ();
1586 mutable gint _playback_load;
1587 mutable gint _capture_load;
1588 mutable gint _playback_load_min;
1589 mutable gint _capture_load_min;
1593 SerializedRCUManager<BundleList> _bundles;
1594 XMLNode* _bundle_xml_node;
1595 int load_bundles (XMLNode const &);
1597 void reverse_diskstream_buffers ();
1599 UndoHistory _history;
1600 std::stack<UndoTransaction*> _current_trans;
1602 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1603 GlobalRouteMeterState get_global_route_metering ();
1605 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1606 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1608 void set_global_mute (GlobalRouteBooleanState s, void *src);
1609 void set_global_solo (GlobalRouteBooleanState s, void *src);
1610 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1612 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1613 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1614 void reset_jack_connection (jack_client_t* jack);
1615 void record_enable_change_all (bool yn);
1617 XMLNode& state(bool);
1627 Click (nframes_t s, nframes_t d, const Sample *b)
1628 : start (s), duration (d), data (b) { offset = 0; }
1630 void *operator new (size_t) {
1631 return pool.alloc ();
1634 void operator delete(void *ptr, size_t /*size*/) {
1642 typedef std::list<Click*> Clicks;
1646 boost::shared_ptr<IO> _click_io;
1648 Sample* click_emphasis_data;
1649 nframes_t click_length;
1650 nframes_t click_emphasis_length;
1651 mutable Glib::RWLock click_lock;
1653 static const Sample default_click[];
1654 static const nframes_t default_click_length;
1655 static const Sample default_click_emphasis[];
1656 static const nframes_t default_click_emphasis_length;
1659 void setup_click_sounds (int which);
1660 void clear_clicks ();
1661 void click (nframes_t start, nframes_t nframes);
1663 std::vector<Route*> master_outs;
1665 /* range playback */
1667 std::list<AudioRange> current_audio_range;
1669 void set_play_range (bool yn);
1670 void setup_auto_play ();
1675 boost::shared_ptr<Route> _master_out;
1676 boost::shared_ptr<Route> _control_out;
1678 gain_t* _gain_automation_buffer;
1679 pan_t** _pan_automation_buffer;
1680 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1681 uint32_t _npan_buffers;
1685 long _vst_callback (VSTPlugin*,
1692 /* number of hardware ports we're using,
1693 based on max (requested,available)
1696 uint32_t n_physical_outputs;
1697 uint32_t n_physical_inputs;
1699 uint32_t n_physical_audio_outputs;
1700 uint32_t n_physical_audio_inputs;
1702 uint32_t n_physical_midi_outputs;
1703 uint32_t n_physical_midi_inputs;
1705 int find_all_sources (std::string path, std::set<std::string>& result);
1706 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1708 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1709 Glib::Mutex controllables_lock;
1710 Controllables controllables;
1712 void reset_native_file_format();
1713 bool first_file_data_format_reset;
1714 bool first_file_header_format_reset;
1716 void config_changed (std::string, bool);
1718 XMLNode& get_control_protocol_state ();
1720 void set_history_depth (uint32_t depth);
1721 void sync_order_keys ();
1723 static bool _disable_all_loaded_plugins;
1725 SessionMetadata * _metadata;
1727 mutable bool have_looped; ///< Used in ::audible_frame(*)
1729 void update_have_rec_enabled_diskstream ();
1730 gint _have_rec_enabled_diskstream;
1733 } // namespace ARDOUR
1735 #endif /* __ardour_session_h__ */