2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_session_h__
21 #define __ardour_session_h__
23 #include "libardour-config.h"
32 #include <boost/dynamic_bitset.hpp>
33 #include <boost/scoped_ptr.hpp>
34 #include <boost/weak_ptr.hpp>
35 #include <boost/utility.hpp>
37 #include <glibmm/threads.h>
39 #include "pbd/error.h"
40 #include "pbd/event_loop.h"
42 #include "pbd/statefuldestructible.h"
43 #include "pbd/signals.h"
46 #include "evoral/types.hpp"
48 #include "midi++/types.h"
50 #include "timecode/time.h"
53 #include "ardour/ardour.h"
54 #include "ardour/chan_count.h"
55 #include "ardour/delivery.h"
56 #include "ardour/interthread_info.h"
57 #include "ardour/rc_configuration.h"
58 #include "ardour/session_configuration.h"
59 #include "ardour/session_event.h"
60 #include "ardour/location.h"
61 #include "ardour/interpolation.h"
62 #include "ardour/route_graph.h"
64 #ifdef HAVE_JACK_SESSION
65 #include <jack/session.h>
72 typedef struct _AEffect AEffect;
82 class ControllableDescriptor;
93 class AudioFileSource;
111 class MidiClockTicker;
113 class MidiPortManager;
131 class SessionDirectory;
132 class SessionMetadata;
133 class SessionPlaylists;
139 class WindowsVSTPlugin;
141 extern void setup_enum_writer ();
143 class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager
152 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
153 the bus profile can be null if no master out bus is required.
156 Session (AudioEngine&,
157 const std::string& fullpath,
158 const std::string& snapshot_name,
159 BusProfile* bus_profile = 0,
160 std::string mix_template = "");
164 std::string path() const { return _path; }
165 std::string name() const { return _name; }
166 std::string snap_name() const { return _current_snapshot_name; }
167 std::string raid_path () const;
168 bool path_is_within_session (const std::string&);
170 void set_snap_name ();
172 bool writable() const { return _writable; }
175 bool dirty() const { return _state_of_the_state & Dirty; }
176 void set_deletion_in_progress ();
177 void clear_deletion_in_progress ();
178 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
179 PBD::Signal0<void> DirtyChanged;
181 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
183 static PBD::Signal1<void,std::string> Dialog;
185 int ensure_subdirs ();
187 std::string automation_dir () const; ///< Automation data
188 std::string analysis_dir () const; ///< Analysis data
189 std::string plugins_dir () const; ///< Plugin state
190 std::string externals_dir () const; ///< Links to external files
192 std::string peak_path (std::string) const;
194 std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
196 std::string peak_path_from_audio_path (std::string) const;
197 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
198 std::string new_midi_source_name (const std::string&);
199 std::string new_source_path_from_name (DataType type, const std::string&);
200 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name);
202 void process (pframes_t nframes);
204 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
205 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true );
206 BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
207 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
209 bool have_rec_enabled_track () const;
211 bool have_captured() const { return _have_captured; }
213 void refill_all_track_buffers ();
214 Butler* butler() { return _butler; }
215 void butler_transport_work ();
217 void refresh_disk_space ();
219 int load_diskstreams_2X (XMLNode const &, int);
221 int load_routes (const XMLNode&, int);
222 boost::shared_ptr<RouteList> get_routes() const {
223 return routes.reader ();
226 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
228 boost::shared_ptr<RouteList> get_routes_with_regions_at (framepos_t const) const;
230 uint32_t nroutes() const { return routes.reader()->size(); }
231 uint32_t ntracks () const;
232 uint32_t nbusses () const;
234 boost::shared_ptr<BundleList> bundles () {
235 return _bundles.reader ();
238 struct RoutePublicOrderSorter {
239 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
242 void notify_remote_id_change ();
243 void sync_order_keys (RouteSortOrderKey);
245 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
246 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
247 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
249 static char session_name_is_legal (const std::string&);
250 bool io_name_is_legal (const std::string&);
251 boost::shared_ptr<Route> route_by_name (std::string);
252 boost::shared_ptr<Route> route_by_id (PBD::ID);
253 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
254 boost::shared_ptr<Track> track_by_diskstream_id (PBD::ID);
255 void routes_using_input_from (const std::string& str, RouteList& rl);
257 bool route_name_unique (std::string) const;
258 bool route_name_internal (std::string) const;
260 bool get_record_enabled() const {
261 return (record_status () >= Enabled);
264 RecordState record_status() const {
265 return (RecordState) g_atomic_int_get (&_record_status);
268 bool actively_recording () const {
269 return record_status() == Recording;
272 bool record_enabling_legal () const;
273 void maybe_enable_record ();
274 void disable_record (bool rt_context, bool force = false);
275 void step_back_from_record ();
277 void maybe_write_autosave ();
279 /* Emitted when all i/o connections are complete */
281 PBD::Signal0<void> IOConnectionsComplete;
283 /* Record status signals */
285 PBD::Signal0<void> RecordStateChanged;
287 /* Transport mechanism signals */
289 /** Emitted on the following changes in transport state:
290 * - stop (from the butler thread)
291 * - change in whether or not we are looping (from the process thread)
292 * - change in the play range (from the process thread)
293 * - start (from the process thread)
296 PBD::Signal0<void> TransportStateChange;
298 PBD::Signal1<void,framepos_t> PositionChanged; /* sent after any non-sequential motion */
299 PBD::Signal1<void,framepos_t> Xrun;
300 PBD::Signal0<void> TransportLooped;
302 /** emitted when a locate has occurred */
303 PBD::Signal0<void> Located;
305 PBD::Signal1<void,RouteList&> RouteAdded;
306 /** Emitted when a property of one of our route groups changes.
307 * The parameter is the RouteGroup that has changed.
309 PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
310 /** Emitted when a route is added to one of our route groups.
311 * First parameter is the RouteGroup, second is the route.
313 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
314 /** Emitted when a route is removed from one of our route groups.
315 * First parameter is the RouteGroup, second is the route.
317 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
319 /* Step Editing status changed */
320 PBD::Signal1<void,bool> StepEditStatusChange;
322 void queue_event (SessionEvent*);
324 void request_roll_at_and_return (framepos_t start, framepos_t return_to);
325 void request_bounded_roll (framepos_t start, framepos_t end);
326 void request_stop (bool abort = false, bool clear_state = false);
327 void request_locate (framepos_t frame, bool with_roll = false);
329 void request_play_loop (bool yn, bool leave_rolling = false);
330 bool get_play_loop () const { return play_loop; }
332 framepos_t last_transport_start () const { return _last_roll_location; }
335 void use_rf_shuttle_speed ();
336 void allow_auto_play (bool yn);
337 void request_transport_speed (double speed, bool as_default = false);
338 void request_transport_speed_nonzero (double, bool as_default = false);
339 void request_overwrite_buffer (Track *);
340 void adjust_playback_buffering();
341 void adjust_capture_buffering();
342 void request_track_speed (Track *, double speed);
343 void request_input_change_handling ();
345 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
346 bool transport_locked () const;
350 framepos_t current_end_frame () const;
351 framepos_t current_start_frame () const;
352 /** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
353 framecnt_t frame_rate () const { return _current_frame_rate; }
354 /** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
355 framecnt_t nominal_frame_rate () const { return _nominal_frame_rate; }
356 framecnt_t frames_per_hour () const { return _frames_per_hour; }
358 double frames_per_timecode_frame() const { return _frames_per_timecode_frame; }
359 framecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
361 MIDI::byte get_mtc_timecode_bits() const {
362 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
365 double timecode_frames_per_second() const;
366 bool timecode_drop_frames() const;
370 Locations *locations() { return _locations; }
372 PBD::Signal1<void,Location*> auto_loop_location_changed;
373 PBD::Signal1<void,Location*> auto_punch_location_changed;
374 PBD::Signal0<void> locations_modified;
376 void set_auto_punch_location (Location *);
377 void set_auto_loop_location (Location *);
378 int location_name(std::string& result, std::string base = std::string(""));
380 pframes_t get_block_size() const { return current_block_size; }
381 framecnt_t worst_output_latency () const { return _worst_output_latency; }
382 framecnt_t worst_input_latency () const { return _worst_input_latency; }
383 framecnt_t worst_track_latency () const { return _worst_track_latency; }
384 framecnt_t worst_playback_latency () const { return _worst_output_latency + _worst_track_latency; }
386 int save_state (std::string snapshot_name, bool pending = false, bool switch_to_snapshot = false);
387 int restore_state (std::string snapshot_name);
388 int save_template (std::string template_name);
389 int save_history (std::string snapshot_name = "");
390 int restore_history (std::string snapshot_name);
391 void remove_state (std::string snapshot_name);
392 void rename_state (std::string old_name, std::string new_name);
393 void remove_pending_capture_state ();
394 int rename (const std::string&);
395 bool get_nsm_state () const { return _under_nsm_control; }
396 void set_nsm_state (bool state) { _under_nsm_control = state; }
398 PBD::Signal1<void,std::string> StateSaved;
399 PBD::Signal0<void> StateReady;
400 PBD::Signal0<void> SaveSession;
402 std::vector<std::string*>* possible_states() const;
403 static std::vector<std::string*>* possible_states (std::string path);
405 XMLNode& get_state();
406 int set_state(const XMLNode& node, int version); // not idempotent
407 XMLNode& get_template();
409 /// The instant xml file is written to the session directory
410 void add_instant_xml (XMLNode&, bool write_to_config = true);
411 XMLNode* instant_xml (const std::string& str);
413 enum StateOfTheState {
418 InitialConnecting = 0x8,
423 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
425 void add_route_group (RouteGroup *);
426 void remove_route_group (RouteGroup&);
427 void reorder_route_groups (std::list<RouteGroup*>);
429 RouteGroup* route_group_by_name (std::string);
430 RouteGroup& all_route_group() const;
432 PBD::Signal1<void,RouteGroup*> route_group_added;
433 PBD::Signal0<void> route_group_removed;
434 PBD::Signal0<void> route_groups_reordered;
436 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
437 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
442 std::list<RouteGroup*> const & route_groups () const {
443 return _route_groups;
446 /* fundamental operations. duh. */
448 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
451 TrackMode mode = Normal,
452 RouteGroup* route_group = 0,
453 uint32_t how_many = 1,
454 std::string name_template = ""
457 RouteList new_audio_route (
458 int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, std::string name_template = ""
461 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
462 const ChanCount& input, const ChanCount& output,
463 boost::shared_ptr<PluginInfo> instrument = boost::shared_ptr<PluginInfo>(),
464 TrackMode mode = Normal,
465 RouteGroup* route_group = 0, uint32_t how_many = 1, std::string name_template = ""
468 void remove_route (boost::shared_ptr<Route>);
469 void resort_routes ();
470 void resort_routes_using (boost::shared_ptr<RouteList>);
472 AudioEngine & engine() { return _engine; }
473 AudioEngine const & engine () const { return _engine; }
477 framepos_t transport_frame () const {return _transport_frame; }
478 framepos_t audible_frame () const;
479 framepos_t requested_return_frame() const { return _requested_return_frame; }
493 void sync_time_vars();
495 void bbt_time (framepos_t when, Timecode::BBT_Time&);
496 void timecode_to_sample(Timecode::Time& timecode, framepos_t& sample, bool use_offset, bool use_subframes) const;
497 void sample_to_timecode(framepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
498 void timecode_time (Timecode::Time &);
499 void timecode_time (framepos_t when, Timecode::Time&);
500 void timecode_time_subframes (framepos_t when, Timecode::Time&);
502 void timecode_duration (framecnt_t, Timecode::Time&) const;
503 void timecode_duration_string (char *, framecnt_t) const;
505 framecnt_t convert_to_frames (AnyTime const & position);
506 framecnt_t any_duration_to_frames (framepos_t position, AnyTime const & duration);
508 static PBD::Signal1<void, framepos_t> StartTimeChanged;
509 static PBD::Signal1<void, framepos_t> EndTimeChanged;
511 void request_sync_source (Slave*);
512 bool synced_to_jack() const { return config.get_external_sync() && Config->get_sync_source() == JACK; }
514 double transport_speed() const { return _transport_speed; }
515 bool transport_stopped() const { return _transport_speed == 0.0f; }
516 bool transport_rolling() const { return _transport_speed != 0.0f; }
518 void set_silent (bool yn);
519 bool silent () { return _silent; }
521 TempoMap& tempo_map() { return *_tempo_map; }
525 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
527 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
529 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
530 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
531 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
533 /* source management */
535 void import_files (ImportStatus&);
536 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
537 std::string build_tmp_convert_name (std::string file);
539 boost::shared_ptr<ExportHandler> get_export_handler ();
540 boost::shared_ptr<ExportStatus> get_export_status ();
542 int start_audio_export (framepos_t position);
544 PBD::Signal1<int, framecnt_t> ProcessExport;
545 static PBD::Signal2<void,std::string, std::string> Exported;
547 void add_source (boost::shared_ptr<Source>);
548 void remove_source (boost::weak_ptr<Source>);
550 void cleanup_regions();
551 int cleanup_sources (CleanupReport&);
552 int cleanup_trash_sources (CleanupReport&);
554 int destroy_sources (std::list<boost::shared_ptr<Source> >);
556 int remove_last_capture ();
558 /** handlers should return 0 for "everything OK", and any other value for
559 * "cannot setup audioengine".
561 static PBD::Signal1<int,uint32_t> AudioEngineSetupRequired;
563 /** handlers should return -1 for "stop cleanup",
564 0 for "yes, delete this playlist",
565 1 for "no, don't delete this playlist".
567 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
569 /** handlers should return 0 for "ignore the rate mismatch",
570 !0 for "do not use this session"
572 static PBD::Signal2<int, framecnt_t, framecnt_t> AskAboutSampleRateMismatch;
574 /** handlers should return !0 for use pending state, 0 for ignore it.
576 static PBD::Signal0<int> AskAboutPendingState;
578 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
579 size_t, std::string const &, uint32_t, bool destructive);
581 boost::shared_ptr<MidiSource> create_midi_source_for_session (
582 Track*, std::string const &);
584 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
585 boost::shared_ptr<Source> source_by_path_and_channel (const std::string&, uint16_t);
586 uint32_t count_sources_by_origin (const std::string&);
588 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
590 /* Curves and AutomationLists (TODO when they go away) */
591 void add_automation_list(AutomationList*);
595 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
596 void audition_playlist ();
597 void audition_region (boost::shared_ptr<Region>);
598 void cancel_audition ();
599 bool is_auditioning () const;
601 PBD::Signal1<void,bool> AuditionActive;
603 /* flattening stuff */
605 boost::shared_ptr<Region> write_one_track (AudioTrack&, framepos_t start, framepos_t end,
606 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
607 boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export);
608 int freeze_all (InterThreadInfo&);
610 /* session-wide solo/mute/rec-enable */
612 bool soloing() const { return _non_soloed_outs_muted; }
613 bool listening() const { return _listen_cnt > 0; }
614 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
616 static const SessionEvent::RTeventCallback rt_cleanup;
618 void set_solo (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
619 void set_just_one_solo (boost::shared_ptr<Route>, bool, SessionEvent::RTeventCallback after = rt_cleanup);
620 void cancel_solo_after_disconnect (boost::shared_ptr<Route>, bool upstream, SessionEvent::RTeventCallback after = rt_cleanup);
621 void set_mute (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
622 void set_listen (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
623 void set_record_enabled (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
624 void set_solo_isolated (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
625 void set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
626 void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others=false);
628 PBD::Signal1<void,bool> SoloActive;
629 PBD::Signal0<void> SoloChanged;
630 PBD::Signal0<void> IsolatedChanged;
632 /* monitor/master out */
634 void add_monitor_section ();
635 void remove_monitor_section ();
637 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
638 boost::shared_ptr<Route> master_out() const { return _master_out; }
640 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
641 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
642 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
643 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
644 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
645 void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
646 void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
648 static void set_disable_all_loaded_plugins (bool yn) {
649 _disable_all_loaded_plugins = yn;
651 static bool get_disable_all_loaded_plugins() {
652 return _disable_all_loaded_plugins;
655 uint32_t next_send_id();
656 uint32_t next_aux_send_id();
657 uint32_t next_return_id();
658 uint32_t next_insert_id();
659 void mark_send_id (uint32_t);
660 void mark_aux_send_id (uint32_t);
661 void mark_return_id (uint32_t);
662 void mark_insert_id (uint32_t);
663 void unmark_send_id (uint32_t);
664 void unmark_aux_send_id (uint32_t);
665 void unmark_return_id (uint32_t);
666 void unmark_insert_id (uint32_t);
668 /* s/w "RAID" management */
670 boost::optional<framecnt_t> available_capture_duration();
674 void add_bundle (boost::shared_ptr<Bundle>);
675 void remove_bundle (boost::shared_ptr<Bundle>);
676 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
678 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleAdded;
679 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleRemoved;
683 /* History (for editors, mixers, UIs etc.) */
685 /** Undo some transactions.
686 * @param n Number of transactions to undo.
688 void undo (uint32_t n) {
692 void redo (uint32_t n) {
696 UndoHistory& history() { return _history; }
698 uint32_t undo_depth() const { return _history.undo_depth(); }
699 uint32_t redo_depth() const { return _history.redo_depth(); }
700 std::string next_undo() const { return _history.next_undo(); }
701 std::string next_redo() const { return _history.next_redo(); }
703 void begin_reversible_command (const std::string& cmd_name);
704 void begin_reversible_command (GQuark);
705 void commit_reversible_command (Command* cmd = 0);
707 void add_command (Command *const cmd) {
708 assert (_current_trans);
709 _current_trans->add_command (cmd);
712 /** @return The list of operations that are currently in progress */
713 std::list<GQuark> const & current_operations () {
714 return _current_trans_quarks;
717 bool operation_in_progress (GQuark) const;
719 void add_commands (std::vector<Command*> const & cmds);
721 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
723 // these commands are implemented in libs/ardour/session_command.cc
724 Command* memento_command_factory(XMLNode* n);
725 Command* stateful_diff_command_factory (XMLNode *);
726 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
730 boost::shared_ptr<IO> click_io() { return _click_io; }
731 boost::shared_ptr<Amp> click_gain() { return _click_gain; }
733 /* disk, buffer loads */
735 uint32_t playback_load ();
736 uint32_t capture_load ();
740 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
741 bool get_play_range () const { return _play_range; }
743 void maybe_update_session_range (framepos_t, framepos_t);
745 /* buffers for gain and pan */
747 gain_t* gain_automation_buffer () const;
748 gain_t* send_gain_automation_buffer () const;
749 pan_t** pan_automation_buffer () const;
751 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
755 static intptr_t vst_callback (
764 static PBD::Signal0<void> SendFeedback;
768 boost::shared_ptr<Speakers> get_speakers ();
772 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
773 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const PBD::ControllableDescriptor&);
775 void add_controllable (boost::shared_ptr<PBD::Controllable>);
776 void remove_controllable (PBD::Controllable*);
778 boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
780 SessionConfiguration config;
782 bool exporting () const {
786 /* this is a private enum, but setup_enum_writer() needs it,
787 and i can't find a way to give that function
791 enum PostTransportWork {
792 PostTransportStop = 0x1,
793 PostTransportDuration = 0x2,
794 PostTransportLocate = 0x4,
795 PostTransportRoll = 0x8,
796 PostTransportAbort = 0x10,
797 PostTransportOverWrite = 0x20,
798 PostTransportSpeed = 0x40,
799 PostTransportAudition = 0x80,
800 PostTransportReverse = 0x100,
801 PostTransportInputChange = 0x200,
802 PostTransportCurveRealloc = 0x400,
803 PostTransportClearSubstate = 0x800,
804 PostTransportAdjustPlaybackBuffering = 0x1000,
805 PostTransportAdjustCaptureBuffering = 0x2000
814 SlaveState slave_state() const { return _slave_state; }
815 Slave* slave() const { return _slave; }
817 boost::shared_ptr<SessionPlaylists> playlists;
819 void send_mmc_locate (framepos_t);
820 void queue_full_time_code () { _send_timecode_update = true; }
821 void queue_song_position_pointer () { /* currently does nothing */ }
823 bool step_editing() const { return (_step_editors > 0); }
825 void request_suspend_timecode_transmission ();
826 void request_resume_timecode_transmission ();
827 bool timecode_transmission_suspended () const;
829 std::vector<std::string> source_search_path(DataType) const;
830 void ensure_search_path_includes (const std::string& path, DataType type);
832 std::list<std::string> unknown_processors () const;
834 /** Emitted when a feedback cycle has been detected within Ardour's signal
835 processing path. Until it is fixed (by the user) some (unspecified)
836 routes will not be run.
838 static PBD::Signal0<void> FeedbackDetected;
840 /** Emitted when a graph sort has successfully completed, which means
841 that it has no feedback cycles.
843 static PBD::Signal0<void> SuccessfulGraphSort;
845 /* handlers can return an integer value:
846 0: config.set_audio_search_path() or config.set_midi_search_path() was used
847 to modify the search path and we should try to find it again.
848 1: quit entire session load
849 2: as 0, but don't ask about other missing files
850 3: don't ask about other missing files, and just mark this one missing
851 -1: just mark this one missing
852 any other value: as -1
854 static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
856 /** Emitted when the session wants Ardour to quit */
857 static PBD::Signal0<void> Quit;
859 /** Emitted when Ardour is asked to load a session in an older session
860 * format, and makes a backup copy.
862 static PBD::Signal2<void,std::string,std::string> VersionMismatch;
864 boost::shared_ptr<Port> ltc_input_port() const;
865 boost::shared_ptr<Port> ltc_output_port() const;
867 boost::shared_ptr<IO> ltc_input_io() { return _ltc_input; }
868 boost::shared_ptr<IO> ltc_output_io() { return _ltc_output; }
870 MIDI::Port* midi_input_port () const;
871 MIDI::Port* midi_output_port () const;
872 MIDI::Port* mmc_output_port () const;
873 MIDI::Port* mmc_input_port () const;
875 boost::shared_ptr<MidiPort> midi_clock_output_port () const;
876 boost::shared_ptr<MidiPort> midi_clock_input_port () const;
877 boost::shared_ptr<MidiPort> mtc_output_port () const;
878 boost::shared_ptr<MidiPort> mtc_input_port () const;
880 MIDI::MachineControl& mmc() { return *_mmc; }
882 /* Callbacks specifically related to JACK, and called directly
883 * from the JACK audio backend.
886 #ifdef HAVE_JACK_SESSION
887 void jack_session_event (jack_session_event_t* event);
889 void jack_timebase_callback (jack_transport_state_t, pframes_t, jack_position_t*, int);
892 friend class AudioEngine;
893 void set_block_size (pframes_t nframes);
894 void set_frame_rate (framecnt_t nframes);
898 void schedule_curve_reallocation ();
899 void update_latency_compensation (bool force = false);
902 int create (const std::string& mix_template, BusProfile*);
906 PendingDeclickIn = 0x1, ///< pending de-click fade-in for start
907 PendingDeclickOut = 0x2, ///< pending de-click fade-out for stop
908 StopPendingCapture = 0x4,
909 PendingLoopDeclickIn = 0x8, ///< pending de-click fade-in at the start of a loop
910 PendingLoopDeclickOut = 0x10, ///< pending de-click fade-out at the end of a loop
911 PendingLocate = 0x20,
914 /* stuff used in process() should be close together to
918 typedef void (Session::*process_function_type)(pframes_t);
920 AudioEngine& _engine;
921 mutable gint processing_prohibited;
922 process_function_type process_function;
923 process_function_type last_process_function;
924 bool waiting_for_sync_offset;
925 framecnt_t _base_frame_rate;
926 framecnt_t _current_frame_rate; //this includes video pullup offset
927 framecnt_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
928 int transport_sub_state;
929 mutable gint _record_status;
930 framepos_t _transport_frame;
931 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
935 // varispeed playback
936 double _transport_speed;
937 double _default_transport_speed;
938 double _last_transport_speed;
939 double _target_transport_speed;
940 CubicInterpolation interpolation;
942 bool auto_play_legal;
943 framepos_t _last_slave_transport_frame;
944 framecnt_t maximum_output_latency;
945 framepos_t _requested_return_frame;
946 pframes_t current_block_size;
947 framecnt_t _worst_output_latency;
948 framecnt_t _worst_input_latency;
949 framecnt_t _worst_track_latency;
952 float _meter_falloff;
953 bool _non_soloed_outs_muted;
954 uint32_t _listen_cnt;
955 uint32_t _solo_isolated_cnt;
958 bool _under_nsm_control;
960 void initialize_latencies ();
961 void set_worst_io_latencies ();
962 void set_worst_playback_latency ();
963 void set_worst_capture_latency ();
964 void set_worst_io_latencies_x (IOChange, void *) {
965 set_worst_io_latencies ();
967 void post_capture_latency ();
968 void post_playback_latency ();
970 void update_latency_compensation_proxy (void* ignored);
972 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
974 void process_scrub (pframes_t);
975 void process_without_events (pframes_t);
976 void process_with_events (pframes_t);
977 void process_audition (pframes_t);
978 int process_export (pframes_t);
979 int process_export_fw (pframes_t);
981 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
982 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
983 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
987 static const int delta_accumulator_size = 25;
988 int delta_accumulator_cnt;
989 int32_t delta_accumulator[delta_accumulator_size];
990 int32_t average_slave_delta;
992 bool have_first_delta_accumulator;
994 SlaveState _slave_state;
995 framepos_t slave_wait_end;
997 void reset_slave_state ();
998 bool follow_slave (pframes_t);
999 void calculate_moving_average_of_slave_delta (int dir, framecnt_t this_delta);
1000 void track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta);
1001 void follow_slave_silently (pframes_t nframes, float slave_speed);
1003 void switch_to_sync_source (SyncSource); /* !RT context */
1004 void drop_sync_source (); /* !RT context */
1005 void use_sync_source (Slave*); /* RT context */
1007 bool post_export_sync;
1008 framepos_t post_export_position;
1011 bool _export_started;
1012 bool _export_rolling;
1014 boost::shared_ptr<ExportHandler> export_handler;
1015 boost::shared_ptr<ExportStatus> export_status;
1018 int stop_audio_export ();
1019 void finalize_audio_export ();
1020 void finalize_export_internal (bool stop_freewheel);
1021 bool _pre_export_mmc_enabled;
1023 PBD::ScopedConnection export_freewheel_connection;
1025 void get_track_statistics ();
1026 int process_routes (pframes_t, bool& need_butler);
1027 int silent_process_routes (pframes_t, bool& need_butler);
1029 /** @return 1 if there is a pending declick fade-in,
1030 -1 if there is a pending declick fade-out,
1031 0 if there is no pending declick.
1033 int get_transport_declick_required () {
1034 if (transport_sub_state & PendingDeclickIn) {
1035 transport_sub_state &= ~PendingDeclickIn;
1037 } else if (transport_sub_state & PendingDeclickOut) {
1038 /* XXX: not entirely sure why we don't clear this */
1040 } else if (transport_sub_state & PendingLoopDeclickOut) {
1041 /* Return the declick out first ... */
1042 transport_sub_state &= ~PendingLoopDeclickOut;
1044 } else if (transport_sub_state & PendingLoopDeclickIn) {
1045 /* ... then the declick in on the next call */
1046 transport_sub_state &= ~PendingLoopDeclickIn;
1053 bool maybe_stop (framepos_t limit);
1054 bool maybe_sync_start (pframes_t &);
1056 void check_declick_out ();
1062 /** Number of process frames since the last MTC output (when sending MTC); used to
1063 * know when to send full MTC messages every so often.
1065 pframes_t _pframes_since_last_mtc;
1066 bool session_midi_feedback;
1069 framepos_t last_loopend;
1071 boost::scoped_ptr<SessionDirectory> _session_dir;
1074 void graph_reordered ();
1076 /** current snapshot name, without the .ardour suffix */
1077 std::string _current_snapshot_name;
1079 XMLTree* state_tree;
1080 bool state_was_pending;
1081 StateOfTheState _state_of_the_state;
1084 int load_options (const XMLNode&);
1085 int load_state (std::string snapshot_name);
1087 framepos_t _last_roll_location;
1088 /** the session frame time at which we last rolled, located, or changed transport direction */
1089 framepos_t _last_roll_or_reversal_location;
1090 framepos_t _last_record_location;
1092 bool pending_locate_roll;
1093 framepos_t pending_locate_frame;
1094 bool pending_locate_flush;
1096 bool pending_auto_loop;
1100 static const PostTransportWork ProcessCannotProceedMask =
1102 PostTransportInputChange|
1104 PostTransportReverse|
1105 PostTransportCurveRealloc|
1106 PostTransportAudition|
1107 PostTransportLocate|
1109 PostTransportClearSubstate);
1111 gint _post_transport_work; /* accessed only atomic ops */
1112 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<gint*>(&_post_transport_work)); }
1113 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1114 void add_post_transport_work (PostTransportWork ptw);
1116 void schedule_playback_buffering_adjustment ();
1117 void schedule_capture_buffering_adjustment ();
1119 uint32_t cumulative_rf_motion;
1122 void set_rf_speed (float speed);
1123 void reset_rf_scale (framecnt_t frames_moved);
1125 Locations* _locations;
1126 void locations_changed ();
1127 void locations_added (Location*);
1128 void handle_locations_changed (Locations::LocationList&);
1130 PBD::ScopedConnectionList punch_connections;
1131 void auto_punch_start_changed (Location *);
1132 void auto_punch_end_changed (Location *);
1133 void auto_punch_changed (Location *);
1135 PBD::ScopedConnectionList loop_connections;
1136 void auto_loop_changed (Location *);
1137 void auto_loop_declick_range (Location *, framepos_t &, framepos_t &);
1139 int ensure_engine (uint32_t desired_sample_rate);
1140 void pre_engine_init (std::string path);
1141 int post_engine_init ();
1142 int immediately_post_engine ();
1143 void remove_empty_sounds ();
1145 void setup_midi_control ();
1146 int midi_read (MIDI::Port *);
1148 void enable_record ();
1150 void increment_transport_position (framecnt_t val) {
1151 if (max_framepos - val < _transport_frame) {
1152 _transport_frame = max_framepos;
1154 _transport_frame += val;
1158 void decrement_transport_position (framecnt_t val) {
1159 if (val < _transport_frame) {
1160 _transport_frame -= val;
1162 _transport_frame = 0;
1166 void post_transport_motion ();
1167 static void *session_loader_thread (void *arg);
1171 /* SessionEventManager interface */
1173 void process_event (SessionEvent*);
1174 void set_next_event ();
1175 void cleanup_event (SessionEvent*,int);
1177 /* MIDI Machine Control */
1180 void spp_continue ();
1183 void mmc_deferred_play (MIDI::MachineControl &);
1184 void mmc_stop (MIDI::MachineControl &);
1185 void mmc_step (MIDI::MachineControl &, int);
1186 void mmc_pause (MIDI::MachineControl &);
1187 void mmc_record_pause (MIDI::MachineControl &);
1188 void mmc_record_strobe (MIDI::MachineControl &);
1189 void mmc_record_exit (MIDI::MachineControl &);
1190 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1191 void mmc_fast_forward (MIDI::MachineControl &);
1192 void mmc_rewind (MIDI::MachineControl &);
1193 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1194 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1195 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1197 struct timeval last_mmc_step;
1200 typedef boost::function<bool()> MidiTimeoutCallback;
1201 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1203 MidiTimeoutList midi_timeouts;
1204 bool mmc_step_timeout ();
1206 MIDI::byte mtc_msg[16];
1207 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1208 MIDI::byte midi_msg[16];
1209 double outbound_mtc_timecode_frame;
1210 Timecode::Time transmitting_timecode_time;
1211 int next_quarter_frame_to_send;
1213 double _frames_per_timecode_frame; /* has to be floating point because of drop frame */
1214 framecnt_t _frames_per_hour;
1215 framecnt_t _timecode_frames_per_hour;
1217 /* cache the most-recently requested time conversions. This helps when we
1218 * have multiple clocks showing the same time (e.g. the transport frame) */
1219 bool last_timecode_valid;
1220 framepos_t last_timecode_when;
1221 Timecode::Time last_timecode;
1223 bool _send_timecode_update; ///< Flag to send a full frame (Timecode) MTC message this cycle
1225 int send_midi_time_code_for_cycle (framepos_t, framepos_t, pframes_t nframes);
1227 LTCEncoder* ltc_encoder;
1228 ltcsnd_sample_t* ltc_enc_buf;
1230 Timecode::TimecodeFormat ltc_enc_tcformat;
1231 int32_t ltc_buf_off;
1232 int32_t ltc_buf_len;
1235 int32_t ltc_enc_byte;
1236 framepos_t ltc_enc_pos;
1238 framepos_t ltc_enc_off;
1240 framepos_t ltc_prev_cycle;
1242 framepos_t ltc_timecode_offset;
1243 bool ltc_timecode_negative_offset;
1245 LatencyRange ltc_out_latency;
1247 void ltc_tx_initialize();
1248 void ltc_tx_cleanup();
1249 void ltc_tx_reset();
1250 void ltc_tx_resync_latency();
1251 void ltc_tx_recalculate_position();
1252 void ltc_tx_parse_offset();
1253 void ltc_tx_send_time_code_for_cycle (framepos_t, framepos_t, double, double, pframes_t nframes);
1255 void reset_record_status ();
1257 int no_roll (pframes_t nframes);
1258 int fail_roll (pframes_t nframes);
1260 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1261 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1263 MidiControlUI* midi_control_ui;
1265 int start_midi_thread ();
1267 void set_play_loop (bool yn);
1268 void unset_play_loop ();
1269 void overwrite_some_buffers (Track *);
1270 void flush_all_inserts ();
1271 int micro_locate (framecnt_t distance);
1272 void locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false, bool with_mmc=true);
1273 void start_locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false);
1274 void force_locate (framepos_t frame, bool with_roll = false);
1275 void set_track_speed (Track *, double speed);
1276 void set_transport_speed (double speed, bool abort = false, bool clear_state = false, bool as_default = false);
1277 void stop_transport (bool abort = false, bool clear_state = false);
1278 void start_transport ();
1279 void realtime_stop (bool abort, bool clear_state);
1280 void realtime_locate ();
1281 void non_realtime_start_scrub ();
1282 void non_realtime_set_speed ();
1283 void non_realtime_locate ();
1284 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1285 void non_realtime_overwrite (int entry_request_count, bool& finished);
1286 void post_transport ();
1287 void engine_halted ();
1288 void xrun_recovery ();
1290 /* These are synchronous and so can only be called from within the process
1294 int send_full_time_code (framepos_t, pframes_t nframes);
1295 void send_song_position_pointer (framepos_t);
1297 TempoMap *_tempo_map;
1298 void tempo_map_changed (const PBD::PropertyChange&);
1300 /* edit/mix groups */
1302 int load_route_groups (const XMLNode&, int);
1304 std::list<RouteGroup *> _route_groups;
1305 RouteGroup* _all_route_group;
1309 boost::shared_ptr<Graph> _process_graph;
1311 SerializedRCUManager<RouteList> routes;
1313 void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, bool save);
1314 void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect);
1315 bool _adding_routes_in_progress;
1316 uint32_t destructive_index;
1318 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1319 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1321 void route_processors_changed (RouteProcessorChange);
1323 bool find_route_name (std::string const &, uint32_t& id, char* name, size_t name_len, bool);
1324 void count_existing_track_channels (ChanCount& in, ChanCount& out);
1325 void auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
1326 bool with_lock, bool connect_inputs = true,
1327 ChanCount input_start = ChanCount (), ChanCount output_start = ChanCount ());
1328 void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
1332 bool solo_update_disabled;
1334 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1335 void route_mute_changed (void *src);
1336 void route_solo_changed (bool self_solo_change, void *src, boost::weak_ptr<Route>);
1337 void route_solo_isolated_changed (void *src, boost::weak_ptr<Route>);
1338 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1340 void listen_position_changed ();
1341 void solo_control_mode_changed ();
1343 /* REGION MANAGEMENT */
1345 mutable Glib::Threads::Mutex region_lock;
1347 int load_regions (const XMLNode& node);
1348 int load_compounds (const XMLNode& node);
1350 void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
1351 void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
1352 void route_group_property_changed (RouteGroup *);
1356 mutable Glib::Threads::Mutex source_lock;
1359 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1365 SourceMap get_sources() { return sources; }
1368 int load_sources (const XMLNode& node);
1369 XMLNode& get_sources_as_xml ();
1371 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1375 void remove_playlist (boost::weak_ptr<Playlist>);
1376 void track_playlist_changed (boost::weak_ptr<Track>);
1377 void playlist_region_added (boost::weak_ptr<Region>);
1378 void playlist_ranges_moved (std::list<Evoral::RangeMove<framepos_t> > const &);
1379 void playlist_regions_extended (std::list<Evoral::Range<framepos_t> > const &);
1381 /* CURVES and AUTOMATION LISTS */
1382 std::map<PBD::ID, AutomationList*> automation_lists;
1384 /* DEFAULT FADE CURVES */
1386 float default_fade_steepness;
1387 float default_fade_msecs;
1391 boost::shared_ptr<Auditioner> auditioner;
1392 void set_audition (boost::shared_ptr<Region>);
1393 void non_realtime_set_audition ();
1394 boost::shared_ptr<Region> pending_audition_region;
1400 int flatten_one_track (AudioTrack&, framepos_t start, framecnt_t cnt);
1402 /* INSERT AND SEND MANAGEMENT */
1404 boost::dynamic_bitset<uint32_t> send_bitset;
1405 boost::dynamic_bitset<uint32_t> aux_send_bitset;
1406 boost::dynamic_bitset<uint32_t> return_bitset;
1407 boost::dynamic_bitset<uint32_t> insert_bitset;
1411 struct space_and_path {
1412 uint32_t blocks; ///< 4kB blocks
1413 bool blocks_unknown; ///< true if blocks is unknown
1418 , blocks_unknown (true)
1422 struct space_and_path_ascending_cmp {
1423 bool operator() (space_and_path a, space_and_path b) {
1424 if (a.blocks_unknown != b.blocks_unknown) {
1425 return !a.blocks_unknown;
1427 return a.blocks > b.blocks;
1431 void setup_raid_path (std::string path);
1433 std::vector<space_and_path> session_dirs;
1434 std::vector<space_and_path>::iterator last_rr_session_dir;
1435 uint32_t _total_free_4k_blocks;
1436 /** If this is true, _total_free_4k_blocks is not definite,
1437 as one or more of the session directories' filesystems
1438 could not report free space.
1440 bool _total_free_4k_blocks_uncertain;
1441 Glib::Threads::Mutex space_lock;
1443 bool no_questions_about_missing_files;
1445 std::string get_best_session_directory_for_new_source ();
1447 mutable gint _playback_load;
1448 mutable gint _capture_load;
1452 SerializedRCUManager<BundleList> _bundles;
1453 XMLNode* _bundle_xml_node;
1454 int load_bundles (XMLNode const &);
1456 UndoHistory _history;
1457 /** current undo transaction, or 0 */
1458 UndoTransaction* _current_trans;
1459 /** GQuarks to describe the reversible commands that are currently in progress.
1460 * These may be nested, in which case more recently-started commands are toward
1461 * the front of the list.
1463 std::list<GQuark> _current_trans_quarks;
1465 int backend_sync_callback (TransportState, framepos_t);
1467 void process_rtop (SessionEvent*);
1469 void update_latency (bool playback);
1471 XMLNode& state(bool);
1474 typedef std::list<Click*> Clicks;
1477 boost::shared_ptr<IO> _click_io;
1478 boost::shared_ptr<Amp> _click_gain;
1480 Sample* click_emphasis_data;
1481 framecnt_t click_length;
1482 framecnt_t click_emphasis_length;
1483 mutable Glib::Threads::RWLock click_lock;
1485 static const Sample default_click[];
1486 static const framecnt_t default_click_length;
1487 static const Sample default_click_emphasis[];
1488 static const framecnt_t default_click_emphasis_length;
1491 framepos_t _clicks_cleared;
1492 void setup_click_sounds (int which);
1493 void setup_click_sounds (Sample**, Sample const *, framecnt_t*, framecnt_t, std::string const &);
1494 void clear_clicks ();
1495 void click (framepos_t start, framecnt_t nframes);
1497 std::vector<Route*> master_outs;
1499 /* range playback */
1501 std::list<AudioRange> current_audio_range;
1503 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1504 void unset_play_range ();
1509 boost::shared_ptr<Route> _master_out;
1510 boost::shared_ptr<Route> _monitor_out;
1512 void auto_connect_master_bus ();
1514 /* Windows VST support */
1516 long _windows_vst_callback (
1525 int find_all_sources (std::string path, std::set<std::string>& result);
1526 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1528 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1529 Glib::Threads::Mutex controllables_lock;
1530 Controllables controllables;
1532 boost::shared_ptr<PBD::Controllable> _solo_cut_control;
1534 void reset_native_file_format();
1535 bool first_file_data_format_reset;
1536 bool first_file_header_format_reset;
1538 void config_changed (std::string, bool);
1540 XMLNode& get_control_protocol_state ();
1542 void set_history_depth (uint32_t depth);
1544 static bool _disable_all_loaded_plugins;
1546 mutable bool have_looped; ///< Used in ::audible_frame(*)
1548 void update_have_rec_enabled_track ();
1549 gint _have_rec_enabled_track;
1551 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
1553 /* realtime "apply to set of routes" operations */
1554 template<typename T> SessionEvent*
1555 get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, bool group_override,
1556 void (Session::*method) (boost::shared_ptr<RouteList>, T, bool)) {
1557 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
1558 ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
1559 ev->rt_return = after;
1560 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
1565 void rt_cancel_solo_after_disconnect (boost::shared_ptr<RouteList>, bool upstream, bool /* ignored*/ );
1566 void rt_set_solo (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1567 void rt_set_just_one_solo (boost::shared_ptr<RouteList>, bool yn, bool /* ignored*/ );
1568 void rt_set_mute (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1569 void rt_set_listen (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1570 void rt_set_solo_isolated (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1571 void rt_set_record_enabled (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1572 void rt_set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, bool group_override);
1574 /** temporary list of Diskstreams used only during load of 2.X sessions */
1575 std::list<boost::shared_ptr<Diskstream> > _diskstreams_2X;
1577 void add_session_range_location (framepos_t, framepos_t);
1579 void setup_midi_machine_control ();
1581 void step_edit_status_change (bool);
1582 uint32_t _step_editors;
1584 /** true if timecode transmission by the transport is suspended, otherwise false */
1585 mutable gint _suspend_timecode_transmission;
1587 void update_locations_after_tempo_map_change (Locations::LocationList &);
1589 void start_time_changed (framepos_t);
1590 void end_time_changed (framepos_t);
1592 void set_track_monitor_input_status (bool);
1593 framepos_t compute_stop_limit () const;
1595 boost::shared_ptr<Speakers> _speakers;
1596 void load_nested_sources (const XMLNode& node);
1598 /** The directed graph of routes that is currently being used for audio processing
1599 and solo/mute computations.
1601 GraphEdges _current_route_graph;
1603 uint32_t next_control_id () const;
1604 bool ignore_route_processor_changes;
1606 MidiClockTicker* midi_clock;
1608 boost::shared_ptr<IO> _ltc_input;
1609 boost::shared_ptr<IO> _ltc_output;
1611 void reconnect_ltc_input ();
1612 void reconnect_ltc_output ();
1614 /* persistent, non-track related MIDI ports */
1615 MidiPortManager* _midi_ports;
1616 MIDI::MachineControl* _mmc;
1619 void setup_click ();
1620 void setup_bundles ();
1623 } // namespace ARDOUR
1625 #endif /* __ardour_session_h__ */