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 LIBARDOUR_API LIBARDOUR_API 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 static int get_info_from_path (const std::string& xmlpath, float& sample_rate, SampleFormat& data_format);
166 std::string path() const { return _path; }
167 std::string name() const { return _name; }
168 std::string snap_name() const { return _current_snapshot_name; }
169 std::string raid_path () const;
170 bool path_is_within_session (const std::string&);
172 void set_snap_name ();
174 bool writable() const { return _writable; }
177 bool dirty() const { return _state_of_the_state & Dirty; }
178 void set_deletion_in_progress ();
179 void clear_deletion_in_progress ();
180 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
181 PBD::Signal0<void> DirtyChanged;
183 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
185 static PBD::Signal1<void,std::string> Dialog;
187 int ensure_subdirs ();
189 std::string automation_dir () const; ///< Automation data
190 std::string analysis_dir () const; ///< Analysis data
191 std::string plugins_dir () const; ///< Plugin state
192 std::string externals_dir () const; ///< Links to external files
194 std::string peak_path (std::string) const;
196 std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
198 std::string peak_path_from_audio_path (std::string) const;
199 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
200 std::string new_midi_source_name (const std::string&);
201 std::string new_source_path_from_name (DataType type, const std::string&);
202 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name);
204 void process (pframes_t nframes);
206 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
207 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true );
208 BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
209 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
211 bool have_rec_enabled_track () const;
213 bool have_captured() const { return _have_captured; }
215 void refill_all_track_buffers ();
216 Butler* butler() { return _butler; }
217 void butler_transport_work ();
219 void refresh_disk_space ();
221 int load_diskstreams_2X (XMLNode const &, int);
223 int load_routes (const XMLNode&, int);
224 boost::shared_ptr<RouteList> get_routes() const {
225 return routes.reader ();
228 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
230 boost::shared_ptr<RouteList> get_routes_with_regions_at (framepos_t const) const;
232 uint32_t nroutes() const { return routes.reader()->size(); }
233 uint32_t ntracks () const;
234 uint32_t nbusses () const;
236 boost::shared_ptr<BundleList> bundles () {
237 return _bundles.reader ();
240 struct RoutePublicOrderSorter {
241 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
244 void notify_remote_id_change ();
245 void sync_order_keys (RouteSortOrderKey);
247 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
248 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
249 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
251 static char session_name_is_legal (const std::string&);
252 bool io_name_is_legal (const std::string&);
253 boost::shared_ptr<Route> route_by_name (std::string);
254 boost::shared_ptr<Route> route_by_id (PBD::ID);
255 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
256 boost::shared_ptr<Track> track_by_diskstream_id (PBD::ID);
257 void routes_using_input_from (const std::string& str, RouteList& rl);
259 bool route_name_unique (std::string) const;
260 bool route_name_internal (std::string) const;
262 bool get_record_enabled() const {
263 return (record_status () >= Enabled);
266 RecordState record_status() const {
267 return (RecordState) g_atomic_int_get (&_record_status);
270 bool actively_recording () const {
271 return record_status() == Recording;
274 bool record_enabling_legal () const;
275 void maybe_enable_record ();
276 void disable_record (bool rt_context, bool force = false);
277 void step_back_from_record ();
279 void maybe_write_autosave ();
281 /* Emitted when all i/o connections are complete */
283 PBD::Signal0<void> IOConnectionsComplete;
285 /* Record status signals */
287 PBD::Signal0<void> RecordStateChanged;
289 /* Transport mechanism signals */
291 /** Emitted on the following changes in transport state:
292 * - stop (from the butler thread)
293 * - change in whether or not we are looping (from the process thread)
294 * - change in the play range (from the process thread)
295 * - start (from the process thread)
298 PBD::Signal0<void> TransportStateChange;
300 PBD::Signal1<void,framepos_t> PositionChanged; /* sent after any non-sequential motion */
301 PBD::Signal1<void,framepos_t> Xrun;
302 PBD::Signal0<void> TransportLooped;
304 /** emitted when a locate has occurred */
305 PBD::Signal0<void> Located;
307 PBD::Signal1<void,RouteList&> RouteAdded;
308 /** Emitted when a property of one of our route groups changes.
309 * The parameter is the RouteGroup that has changed.
311 PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
312 /** Emitted when a route is added to one of our route groups.
313 * First parameter is the RouteGroup, second is the route.
315 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
316 /** Emitted when a route is removed from one of our route groups.
317 * First parameter is the RouteGroup, second is the route.
319 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
321 /* Step Editing status changed */
322 PBD::Signal1<void,bool> StepEditStatusChange;
324 void queue_event (SessionEvent*);
326 void request_roll_at_and_return (framepos_t start, framepos_t return_to);
327 void request_bounded_roll (framepos_t start, framepos_t end);
328 void request_stop (bool abort = false, bool clear_state = false);
329 void request_locate (framepos_t frame, bool with_roll = false);
331 void request_play_loop (bool yn, bool leave_rolling = false);
332 bool get_play_loop () const { return play_loop; }
334 framepos_t last_transport_start () const { return _last_roll_location; }
337 void use_rf_shuttle_speed ();
338 void allow_auto_play (bool yn);
339 void request_transport_speed (double speed, bool as_default = false);
340 void request_transport_speed_nonzero (double, bool as_default = false);
341 void request_overwrite_buffer (Track *);
342 void adjust_playback_buffering();
343 void adjust_capture_buffering();
344 void request_track_speed (Track *, double speed);
345 void request_input_change_handling ();
347 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
348 bool transport_locked () const;
352 framepos_t current_end_frame () const;
353 framepos_t current_start_frame () const;
354 /** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
355 framecnt_t frame_rate () const { return _current_frame_rate; }
356 /** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
357 framecnt_t nominal_frame_rate () const { return _nominal_frame_rate; }
358 framecnt_t frames_per_hour () const { return _frames_per_hour; }
360 double frames_per_timecode_frame() const { return _frames_per_timecode_frame; }
361 framecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
363 MIDI::byte get_mtc_timecode_bits() const {
364 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
367 double timecode_frames_per_second() const;
368 bool timecode_drop_frames() const;
372 Locations *locations() { return _locations; }
374 PBD::Signal1<void,Location*> auto_loop_location_changed;
375 PBD::Signal1<void,Location*> auto_punch_location_changed;
376 PBD::Signal0<void> locations_modified;
378 void set_auto_punch_location (Location *);
379 void set_auto_loop_location (Location *);
380 int location_name(std::string& result, std::string base = std::string(""));
382 pframes_t get_block_size() const { return current_block_size; }
383 framecnt_t worst_output_latency () const { return _worst_output_latency; }
384 framecnt_t worst_input_latency () const { return _worst_input_latency; }
385 framecnt_t worst_track_latency () const { return _worst_track_latency; }
386 framecnt_t worst_playback_latency () const { return _worst_output_latency + _worst_track_latency; }
388 int save_state (std::string snapshot_name, bool pending = false, bool switch_to_snapshot = false);
389 int restore_state (std::string snapshot_name);
390 int save_template (std::string template_name);
391 int save_history (std::string snapshot_name = "");
392 int restore_history (std::string snapshot_name);
393 void remove_state (std::string snapshot_name);
394 void rename_state (std::string old_name, std::string new_name);
395 void remove_pending_capture_state ();
396 int rename (const std::string&);
397 bool get_nsm_state () const { return _under_nsm_control; }
398 void set_nsm_state (bool state) { _under_nsm_control = state; }
400 PBD::Signal1<void,std::string> StateSaved;
401 PBD::Signal0<void> StateReady;
402 PBD::Signal0<void> SaveSession;
404 std::vector<std::string*>* possible_states() const;
405 static std::vector<std::string*>* possible_states (std::string path);
407 XMLNode& get_state();
408 int set_state(const XMLNode& node, int version); // not idempotent
409 XMLNode& get_template();
411 /// The instant xml file is written to the session directory
412 void add_instant_xml (XMLNode&, bool write_to_config = true);
413 XMLNode* instant_xml (const std::string& str);
415 enum StateOfTheState {
420 InitialConnecting = 0x8,
425 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
427 void add_route_group (RouteGroup *);
428 void remove_route_group (RouteGroup&);
429 void reorder_route_groups (std::list<RouteGroup*>);
431 RouteGroup* route_group_by_name (std::string);
432 RouteGroup& all_route_group() const;
434 PBD::Signal1<void,RouteGroup*> route_group_added;
435 PBD::Signal0<void> route_group_removed;
436 PBD::Signal0<void> route_groups_reordered;
438 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
439 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
444 std::list<RouteGroup*> const & route_groups () const {
445 return _route_groups;
448 /* fundamental operations. duh. */
450 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
453 TrackMode mode = Normal,
454 RouteGroup* route_group = 0,
455 uint32_t how_many = 1,
456 std::string name_template = ""
459 RouteList new_audio_route (
460 int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, std::string name_template = ""
463 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
464 const ChanCount& input, const ChanCount& output,
465 boost::shared_ptr<PluginInfo> instrument = boost::shared_ptr<PluginInfo>(),
466 TrackMode mode = Normal,
467 RouteGroup* route_group = 0, uint32_t how_many = 1, std::string name_template = ""
470 void remove_route (boost::shared_ptr<Route>);
471 void resort_routes ();
472 void resort_routes_using (boost::shared_ptr<RouteList>);
474 AudioEngine & engine() { return _engine; }
475 AudioEngine const & engine () const { return _engine; }
479 framepos_t transport_frame () const {return _transport_frame; }
480 framepos_t audible_frame () const;
481 framepos_t requested_return_frame() const { return _requested_return_frame; }
495 void sync_time_vars();
497 void bbt_time (framepos_t when, Timecode::BBT_Time&);
498 void timecode_to_sample(Timecode::Time& timecode, framepos_t& sample, bool use_offset, bool use_subframes) const;
499 void sample_to_timecode(framepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
500 void timecode_time (Timecode::Time &);
501 void timecode_time (framepos_t when, Timecode::Time&);
502 void timecode_time_subframes (framepos_t when, Timecode::Time&);
504 void timecode_duration (framecnt_t, Timecode::Time&) const;
505 void timecode_duration_string (char *, framecnt_t) const;
507 framecnt_t convert_to_frames (AnyTime const & position);
508 framecnt_t any_duration_to_frames (framepos_t position, AnyTime const & duration);
510 static PBD::Signal1<void, framepos_t> StartTimeChanged;
511 static PBD::Signal1<void, framepos_t> EndTimeChanged;
513 void request_sync_source (Slave*);
514 bool synced_to_engine() const { return config.get_external_sync() && Config->get_sync_source() == Engine; }
516 double transport_speed() const { return _transport_speed; }
517 bool transport_stopped() const { return _transport_speed == 0.0f; }
518 bool transport_rolling() const { return _transport_speed != 0.0f; }
520 void set_silent (bool yn);
521 bool silent () { return _silent; }
523 TempoMap& tempo_map() { return *_tempo_map; }
527 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
529 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
531 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
532 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
533 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
535 /* source management */
537 void import_files (ImportStatus&);
538 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
539 std::string build_tmp_convert_name (std::string file);
541 boost::shared_ptr<ExportHandler> get_export_handler ();
542 boost::shared_ptr<ExportStatus> get_export_status ();
544 int start_audio_export (framepos_t position);
546 PBD::Signal1<int, framecnt_t> ProcessExport;
547 static PBD::Signal2<void,std::string, std::string> Exported;
549 void add_source (boost::shared_ptr<Source>);
550 void remove_source (boost::weak_ptr<Source>);
552 void cleanup_regions();
553 int cleanup_sources (CleanupReport&);
554 int cleanup_trash_sources (CleanupReport&);
556 int destroy_sources (std::list<boost::shared_ptr<Source> >);
558 int remove_last_capture ();
560 /** handlers should return 0 for "everything OK", and any other value for
561 * "cannot setup audioengine".
563 static PBD::Signal1<int,uint32_t> AudioEngineSetupRequired;
565 /** handlers should return -1 for "stop cleanup",
566 0 for "yes, delete this playlist",
567 1 for "no, don't delete this playlist".
569 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
571 /** handlers should return 0 for "ignore the rate mismatch",
572 !0 for "do not use this session"
574 static PBD::Signal2<int, framecnt_t, framecnt_t> AskAboutSampleRateMismatch;
576 /** handlers should return !0 for use pending state, 0 for ignore it.
578 static PBD::Signal0<int> AskAboutPendingState;
580 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
581 size_t, std::string const &, uint32_t, bool destructive);
583 boost::shared_ptr<MidiSource> create_midi_source_for_session (
584 Track*, std::string const &);
586 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
587 boost::shared_ptr<Source> source_by_path_and_channel (const std::string&, uint16_t);
588 uint32_t count_sources_by_origin (const std::string&);
590 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
592 /* Curves and AutomationLists (TODO when they go away) */
593 void add_automation_list(AutomationList*);
597 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
598 void audition_playlist ();
599 void audition_region (boost::shared_ptr<Region>);
600 void cancel_audition ();
601 bool is_auditioning () const;
603 PBD::Signal1<void,bool> AuditionActive;
605 /* flattening stuff */
607 boost::shared_ptr<Region> write_one_track (AudioTrack&, framepos_t start, framepos_t end,
608 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
609 boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export);
610 int freeze_all (InterThreadInfo&);
612 /* session-wide solo/mute/rec-enable */
614 bool soloing() const { return _non_soloed_outs_muted; }
615 bool listening() const { return _listen_cnt > 0; }
616 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
618 static const SessionEvent::RTeventCallback rt_cleanup;
620 void set_solo (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
621 void set_just_one_solo (boost::shared_ptr<Route>, bool, SessionEvent::RTeventCallback after = rt_cleanup);
622 void cancel_solo_after_disconnect (boost::shared_ptr<Route>, bool upstream, SessionEvent::RTeventCallback after = rt_cleanup);
623 void set_mute (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
624 void set_listen (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
625 void set_record_enabled (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
626 void set_solo_isolated (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
627 void set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
628 void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others=false);
630 PBD::Signal1<void,bool> SoloActive;
631 PBD::Signal0<void> SoloChanged;
632 PBD::Signal0<void> IsolatedChanged;
634 /* monitor/master out */
636 void add_monitor_section ();
637 void remove_monitor_section ();
639 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
640 boost::shared_ptr<Route> master_out() const { return _master_out; }
642 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
643 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
644 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
645 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
646 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
647 void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
648 void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
650 static void set_disable_all_loaded_plugins (bool yn) {
651 _disable_all_loaded_plugins = yn;
653 static bool get_disable_all_loaded_plugins() {
654 return _disable_all_loaded_plugins;
657 uint32_t next_send_id();
658 uint32_t next_aux_send_id();
659 uint32_t next_return_id();
660 uint32_t next_insert_id();
661 void mark_send_id (uint32_t);
662 void mark_aux_send_id (uint32_t);
663 void mark_return_id (uint32_t);
664 void mark_insert_id (uint32_t);
665 void unmark_send_id (uint32_t);
666 void unmark_aux_send_id (uint32_t);
667 void unmark_return_id (uint32_t);
668 void unmark_insert_id (uint32_t);
670 /* s/w "RAID" management */
672 boost::optional<framecnt_t> available_capture_duration();
676 void add_bundle (boost::shared_ptr<Bundle>);
677 void remove_bundle (boost::shared_ptr<Bundle>);
678 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
680 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleAdded;
681 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleRemoved;
685 /* History (for editors, mixers, UIs etc.) */
687 /** Undo some transactions.
688 * @param n Number of transactions to undo.
690 void undo (uint32_t n) {
694 void redo (uint32_t n) {
698 UndoHistory& history() { return _history; }
700 uint32_t undo_depth() const { return _history.undo_depth(); }
701 uint32_t redo_depth() const { return _history.redo_depth(); }
702 std::string next_undo() const { return _history.next_undo(); }
703 std::string next_redo() const { return _history.next_redo(); }
705 void begin_reversible_command (const std::string& cmd_name);
706 void begin_reversible_command (GQuark);
707 void commit_reversible_command (Command* cmd = 0);
709 void add_command (Command *const cmd) {
710 assert (_current_trans);
711 _current_trans->add_command (cmd);
714 /** @return The list of operations that are currently in progress */
715 std::list<GQuark> const & current_operations () {
716 return _current_trans_quarks;
719 bool operation_in_progress (GQuark) const;
721 void add_commands (std::vector<Command*> const & cmds);
723 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
725 // these commands are implemented in libs/ardour/session_command.cc
726 Command* memento_command_factory(XMLNode* n);
727 Command* stateful_diff_command_factory (XMLNode *);
728 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
732 boost::shared_ptr<IO> click_io() { return _click_io; }
733 boost::shared_ptr<Amp> click_gain() { return _click_gain; }
735 /* disk, buffer loads */
737 uint32_t playback_load ();
738 uint32_t capture_load ();
742 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
743 bool get_play_range () const { return _play_range; }
745 void maybe_update_session_range (framepos_t, framepos_t);
747 /* buffers for gain and pan */
749 gain_t* gain_automation_buffer () const;
750 gain_t* send_gain_automation_buffer () const;
751 pan_t** pan_automation_buffer () const;
753 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
757 static intptr_t vst_callback (
766 static PBD::Signal0<void> SendFeedback;
770 boost::shared_ptr<Speakers> get_speakers ();
774 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
775 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const PBD::ControllableDescriptor&);
777 void add_controllable (boost::shared_ptr<PBD::Controllable>);
778 void remove_controllable (PBD::Controllable*);
780 boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
782 SessionConfiguration config;
784 bool exporting () const {
788 /* this is a private enum, but setup_enum_writer() needs it,
789 and i can't find a way to give that function
793 enum PostTransportWork {
794 PostTransportStop = 0x1,
795 PostTransportDuration = 0x2,
796 PostTransportLocate = 0x4,
797 PostTransportRoll = 0x8,
798 PostTransportAbort = 0x10,
799 PostTransportOverWrite = 0x20,
800 PostTransportSpeed = 0x40,
801 PostTransportAudition = 0x80,
802 PostTransportReverse = 0x100,
803 PostTransportInputChange = 0x200,
804 PostTransportCurveRealloc = 0x400,
805 PostTransportClearSubstate = 0x800,
806 PostTransportAdjustPlaybackBuffering = 0x1000,
807 PostTransportAdjustCaptureBuffering = 0x2000
816 SlaveState slave_state() const { return _slave_state; }
817 Slave* slave() const { return _slave; }
819 boost::shared_ptr<SessionPlaylists> playlists;
821 void send_mmc_locate (framepos_t);
822 void queue_full_time_code () { _send_timecode_update = true; }
823 void queue_song_position_pointer () { /* currently does nothing */ }
825 bool step_editing() const { return (_step_editors > 0); }
827 void request_suspend_timecode_transmission ();
828 void request_resume_timecode_transmission ();
829 bool timecode_transmission_suspended () const;
831 std::string source_search_path(DataType) const;
832 void ensure_search_path_includes (const std::string& path, DataType type);
834 std::list<std::string> unknown_processors () const;
836 /** Emitted when a feedback cycle has been detected within Ardour's signal
837 processing path. Until it is fixed (by the user) some (unspecified)
838 routes will not be run.
840 static PBD::Signal0<void> FeedbackDetected;
842 /** Emitted when a graph sort has successfully completed, which means
843 that it has no feedback cycles.
845 static PBD::Signal0<void> SuccessfulGraphSort;
847 /* handlers can return an integer value:
848 0: config.set_audio_search_path() or config.set_midi_search_path() was used
849 to modify the search path and we should try to find it again.
850 1: quit entire session load
851 2: as 0, but don't ask about other missing files
852 3: don't ask about other missing files, and just mark this one missing
853 -1: just mark this one missing
854 any other value: as -1
856 static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
858 /** Emitted when the session wants Ardour to quit */
859 static PBD::Signal0<void> Quit;
861 /** Emitted when Ardour is asked to load a session in an older session
862 * format, and makes a backup copy.
864 static PBD::Signal2<void,std::string,std::string> VersionMismatch;
866 boost::shared_ptr<Port> ltc_input_port() const;
867 boost::shared_ptr<Port> ltc_output_port() const;
869 boost::shared_ptr<IO> ltc_input_io() { return _ltc_input; }
870 boost::shared_ptr<IO> ltc_output_io() { return _ltc_output; }
872 MIDI::Port* midi_input_port () const;
873 MIDI::Port* midi_output_port () const;
874 MIDI::Port* mmc_output_port () const;
875 MIDI::Port* mmc_input_port () const;
877 boost::shared_ptr<MidiPort> midi_clock_output_port () const;
878 boost::shared_ptr<MidiPort> midi_clock_input_port () const;
879 boost::shared_ptr<MidiPort> mtc_output_port () const;
880 boost::shared_ptr<MidiPort> mtc_input_port () const;
882 MIDI::MachineControl& mmc() { return *_mmc; }
885 friend class AudioEngine;
886 void set_block_size (pframes_t nframes);
887 void set_frame_rate (framecnt_t nframes);
891 void schedule_curve_reallocation ();
892 void update_latency_compensation (bool force = false);
895 int create (const std::string& mix_template, BusProfile*);
899 PendingDeclickIn = 0x1, ///< pending de-click fade-in for start
900 PendingDeclickOut = 0x2, ///< pending de-click fade-out for stop
901 StopPendingCapture = 0x4,
902 PendingLoopDeclickIn = 0x8, ///< pending de-click fade-in at the start of a loop
903 PendingLoopDeclickOut = 0x10, ///< pending de-click fade-out at the end of a loop
904 PendingLocate = 0x20,
907 /* stuff used in process() should be close together to
911 typedef void (Session::*process_function_type)(pframes_t);
913 AudioEngine& _engine;
914 mutable gint processing_prohibited;
915 process_function_type process_function;
916 process_function_type last_process_function;
917 bool waiting_for_sync_offset;
918 framecnt_t _base_frame_rate;
919 framecnt_t _current_frame_rate; //this includes video pullup offset
920 framecnt_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
921 int transport_sub_state;
922 mutable gint _record_status;
923 framepos_t _transport_frame;
924 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
928 // varispeed playback
929 double _transport_speed;
930 double _default_transport_speed;
931 double _last_transport_speed;
932 double _target_transport_speed;
933 CubicInterpolation interpolation;
935 bool auto_play_legal;
936 framepos_t _last_slave_transport_frame;
937 framecnt_t maximum_output_latency;
938 framepos_t _requested_return_frame;
939 pframes_t current_block_size;
940 framecnt_t _worst_output_latency;
941 framecnt_t _worst_input_latency;
942 framecnt_t _worst_track_latency;
945 float _meter_falloff;
946 bool _non_soloed_outs_muted;
947 uint32_t _listen_cnt;
948 uint32_t _solo_isolated_cnt;
951 bool _under_nsm_control;
953 void initialize_latencies ();
954 void set_worst_io_latencies ();
955 void set_worst_playback_latency ();
956 void set_worst_capture_latency ();
957 void set_worst_io_latencies_x (IOChange, void *) {
958 set_worst_io_latencies ();
960 void post_capture_latency ();
961 void post_playback_latency ();
963 void update_latency_compensation_proxy (void* ignored);
965 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
967 void process_scrub (pframes_t);
968 void process_without_events (pframes_t);
969 void process_with_events (pframes_t);
970 void process_audition (pframes_t);
971 int process_export (pframes_t);
972 int process_export_fw (pframes_t);
974 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
975 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
976 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
980 static const int delta_accumulator_size = 25;
981 int delta_accumulator_cnt;
982 int32_t delta_accumulator[delta_accumulator_size];
983 int32_t average_slave_delta;
985 bool have_first_delta_accumulator;
987 SlaveState _slave_state;
988 framepos_t slave_wait_end;
990 void reset_slave_state ();
991 bool follow_slave (pframes_t);
992 void calculate_moving_average_of_slave_delta (int dir, framecnt_t this_delta);
993 void track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta);
994 void follow_slave_silently (pframes_t nframes, float slave_speed);
996 void switch_to_sync_source (SyncSource); /* !RT context */
997 void drop_sync_source (); /* !RT context */
998 void use_sync_source (Slave*); /* RT context */
1000 bool post_export_sync;
1001 framepos_t post_export_position;
1004 bool _export_started;
1005 bool _export_rolling;
1007 boost::shared_ptr<ExportHandler> export_handler;
1008 boost::shared_ptr<ExportStatus> export_status;
1011 int stop_audio_export ();
1012 void finalize_audio_export ();
1013 void finalize_export_internal (bool stop_freewheel);
1014 bool _pre_export_mmc_enabled;
1016 PBD::ScopedConnection export_freewheel_connection;
1018 void get_track_statistics ();
1019 int process_routes (pframes_t, bool& need_butler);
1020 int silent_process_routes (pframes_t, bool& need_butler);
1022 /** @return 1 if there is a pending declick fade-in,
1023 -1 if there is a pending declick fade-out,
1024 0 if there is no pending declick.
1026 int get_transport_declick_required () {
1027 if (transport_sub_state & PendingDeclickIn) {
1028 transport_sub_state &= ~PendingDeclickIn;
1030 } else if (transport_sub_state & PendingDeclickOut) {
1031 /* XXX: not entirely sure why we don't clear this */
1033 } else if (transport_sub_state & PendingLoopDeclickOut) {
1034 /* Return the declick out first ... */
1035 transport_sub_state &= ~PendingLoopDeclickOut;
1037 } else if (transport_sub_state & PendingLoopDeclickIn) {
1038 /* ... then the declick in on the next call */
1039 transport_sub_state &= ~PendingLoopDeclickIn;
1046 bool maybe_stop (framepos_t limit);
1047 bool maybe_sync_start (pframes_t &);
1049 void check_declick_out ();
1055 /** Number of process frames since the last MTC output (when sending MTC); used to
1056 * know when to send full MTC messages every so often.
1058 pframes_t _pframes_since_last_mtc;
1059 bool session_midi_feedback;
1062 framepos_t last_loopend;
1064 boost::scoped_ptr<SessionDirectory> _session_dir;
1067 void graph_reordered ();
1069 /** current snapshot name, without the .ardour suffix */
1070 std::string _current_snapshot_name;
1072 XMLTree* state_tree;
1073 bool state_was_pending;
1074 StateOfTheState _state_of_the_state;
1077 int load_options (const XMLNode&);
1078 int load_state (std::string snapshot_name);
1080 framepos_t _last_roll_location;
1081 /** the session frame time at which we last rolled, located, or changed transport direction */
1082 framepos_t _last_roll_or_reversal_location;
1083 framepos_t _last_record_location;
1085 bool pending_locate_roll;
1086 framepos_t pending_locate_frame;
1087 bool pending_locate_flush;
1089 bool pending_auto_loop;
1093 static const PostTransportWork ProcessCannotProceedMask =
1095 PostTransportInputChange|
1097 PostTransportReverse|
1098 PostTransportCurveRealloc|
1099 PostTransportAudition|
1100 PostTransportLocate|
1102 PostTransportClearSubstate);
1104 gint _post_transport_work; /* accessed only atomic ops */
1105 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<gint*>(&_post_transport_work)); }
1106 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1107 void add_post_transport_work (PostTransportWork ptw);
1109 void schedule_playback_buffering_adjustment ();
1110 void schedule_capture_buffering_adjustment ();
1112 uint32_t cumulative_rf_motion;
1115 void set_rf_speed (float speed);
1116 void reset_rf_scale (framecnt_t frames_moved);
1118 Locations* _locations;
1119 void locations_changed ();
1120 void locations_added (Location*);
1121 void handle_locations_changed (Locations::LocationList&);
1123 PBD::ScopedConnectionList punch_connections;
1124 void auto_punch_start_changed (Location *);
1125 void auto_punch_end_changed (Location *);
1126 void auto_punch_changed (Location *);
1128 PBD::ScopedConnectionList loop_connections;
1129 void auto_loop_changed (Location *);
1130 void auto_loop_declick_range (Location *, framepos_t &, framepos_t &);
1132 int ensure_engine (uint32_t desired_sample_rate);
1133 void pre_engine_init (std::string path);
1134 int post_engine_init ();
1135 int immediately_post_engine ();
1136 void remove_empty_sounds ();
1138 void setup_midi_control ();
1139 int midi_read (MIDI::Port *);
1141 void enable_record ();
1143 void increment_transport_position (framecnt_t val) {
1144 if (max_framepos - val < _transport_frame) {
1145 _transport_frame = max_framepos;
1147 _transport_frame += val;
1151 void decrement_transport_position (framecnt_t val) {
1152 if (val < _transport_frame) {
1153 _transport_frame -= val;
1155 _transport_frame = 0;
1159 void post_transport_motion ();
1160 static void *session_loader_thread (void *arg);
1164 /* SessionEventManager interface */
1166 void process_event (SessionEvent*);
1167 void set_next_event ();
1168 void cleanup_event (SessionEvent*,int);
1170 /* MIDI Machine Control */
1173 void spp_continue ();
1176 void mmc_deferred_play (MIDI::MachineControl &);
1177 void mmc_stop (MIDI::MachineControl &);
1178 void mmc_step (MIDI::MachineControl &, int);
1179 void mmc_pause (MIDI::MachineControl &);
1180 void mmc_record_pause (MIDI::MachineControl &);
1181 void mmc_record_strobe (MIDI::MachineControl &);
1182 void mmc_record_exit (MIDI::MachineControl &);
1183 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1184 void mmc_fast_forward (MIDI::MachineControl &);
1185 void mmc_rewind (MIDI::MachineControl &);
1186 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1187 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1188 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1190 struct timeval last_mmc_step;
1193 typedef boost::function<bool()> MidiTimeoutCallback;
1194 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1196 MidiTimeoutList midi_timeouts;
1197 bool mmc_step_timeout ();
1199 MIDI::byte mtc_msg[16];
1200 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1201 MIDI::byte midi_msg[16];
1202 double outbound_mtc_timecode_frame;
1203 Timecode::Time transmitting_timecode_time;
1204 int next_quarter_frame_to_send;
1206 double _frames_per_timecode_frame; /* has to be floating point because of drop frame */
1207 framecnt_t _frames_per_hour;
1208 framecnt_t _timecode_frames_per_hour;
1210 /* cache the most-recently requested time conversions. This helps when we
1211 * have multiple clocks showing the same time (e.g. the transport frame) */
1212 bool last_timecode_valid;
1213 framepos_t last_timecode_when;
1214 Timecode::Time last_timecode;
1216 bool _send_timecode_update; ///< Flag to send a full frame (Timecode) MTC message this cycle
1218 int send_midi_time_code_for_cycle (framepos_t, framepos_t, pframes_t nframes);
1220 LTCEncoder* ltc_encoder;
1221 ltcsnd_sample_t* ltc_enc_buf;
1223 Timecode::TimecodeFormat ltc_enc_tcformat;
1224 int32_t ltc_buf_off;
1225 int32_t ltc_buf_len;
1228 int32_t ltc_enc_byte;
1229 framepos_t ltc_enc_pos;
1231 framepos_t ltc_enc_off;
1233 framepos_t ltc_prev_cycle;
1235 framepos_t ltc_timecode_offset;
1236 bool ltc_timecode_negative_offset;
1238 LatencyRange ltc_out_latency;
1240 void ltc_tx_initialize();
1241 void ltc_tx_cleanup();
1242 void ltc_tx_reset();
1243 void ltc_tx_resync_latency();
1244 void ltc_tx_recalculate_position();
1245 void ltc_tx_parse_offset();
1246 void ltc_tx_send_time_code_for_cycle (framepos_t, framepos_t, double, double, pframes_t nframes);
1248 void reset_record_status ();
1250 int no_roll (pframes_t nframes);
1251 int fail_roll (pframes_t nframes);
1253 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1254 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1256 MidiControlUI* midi_control_ui;
1258 int start_midi_thread ();
1260 void set_play_loop (bool yn);
1261 void unset_play_loop ();
1262 void overwrite_some_buffers (Track *);
1263 void flush_all_inserts ();
1264 int micro_locate (framecnt_t distance);
1265 void locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false, bool with_mmc=true);
1266 void start_locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false);
1267 void force_locate (framepos_t frame, bool with_roll = false);
1268 void set_track_speed (Track *, double speed);
1269 void set_transport_speed (double speed, bool abort = false, bool clear_state = false, bool as_default = false);
1270 void stop_transport (bool abort = false, bool clear_state = false);
1271 void start_transport ();
1272 void realtime_stop (bool abort, bool clear_state);
1273 void realtime_locate ();
1274 void non_realtime_start_scrub ();
1275 void non_realtime_set_speed ();
1276 void non_realtime_locate ();
1277 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1278 void non_realtime_overwrite (int entry_request_count, bool& finished);
1279 void post_transport ();
1280 void engine_halted ();
1281 void xrun_recovery ();
1283 /* These are synchronous and so can only be called from within the process
1287 int send_full_time_code (framepos_t, pframes_t nframes);
1288 void send_song_position_pointer (framepos_t);
1290 TempoMap *_tempo_map;
1291 void tempo_map_changed (const PBD::PropertyChange&);
1293 /* edit/mix groups */
1295 int load_route_groups (const XMLNode&, int);
1297 std::list<RouteGroup *> _route_groups;
1298 RouteGroup* _all_route_group;
1302 boost::shared_ptr<Graph> _process_graph;
1304 SerializedRCUManager<RouteList> routes;
1306 void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, bool save);
1307 void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect);
1308 bool _adding_routes_in_progress;
1309 uint32_t destructive_index;
1311 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1312 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1314 void route_processors_changed (RouteProcessorChange);
1316 bool find_route_name (std::string const &, uint32_t& id, char* name, size_t name_len, bool);
1317 void count_existing_track_channels (ChanCount& in, ChanCount& out);
1318 void auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
1319 bool with_lock, bool connect_inputs = true,
1320 ChanCount input_start = ChanCount (), ChanCount output_start = ChanCount ());
1321 void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
1325 bool solo_update_disabled;
1327 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1328 void route_mute_changed (void *src);
1329 void route_solo_changed (bool self_solo_change, void *src, boost::weak_ptr<Route>);
1330 void route_solo_isolated_changed (void *src, boost::weak_ptr<Route>);
1331 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1333 void listen_position_changed ();
1334 void solo_control_mode_changed ();
1336 /* REGION MANAGEMENT */
1338 mutable Glib::Threads::Mutex region_lock;
1340 int load_regions (const XMLNode& node);
1341 int load_compounds (const XMLNode& node);
1343 void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
1344 void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
1345 void route_group_property_changed (RouteGroup *);
1349 mutable Glib::Threads::Mutex source_lock;
1352 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1358 SourceMap get_sources() { return sources; }
1361 int load_sources (const XMLNode& node);
1362 XMLNode& get_sources_as_xml ();
1364 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1368 void remove_playlist (boost::weak_ptr<Playlist>);
1369 void track_playlist_changed (boost::weak_ptr<Track>);
1370 void playlist_region_added (boost::weak_ptr<Region>);
1371 void playlist_ranges_moved (std::list<Evoral::RangeMove<framepos_t> > const &);
1372 void playlist_regions_extended (std::list<Evoral::Range<framepos_t> > const &);
1374 /* CURVES and AUTOMATION LISTS */
1375 std::map<PBD::ID, AutomationList*> automation_lists;
1377 /* DEFAULT FADE CURVES */
1379 float default_fade_steepness;
1380 float default_fade_msecs;
1384 boost::shared_ptr<Auditioner> auditioner;
1385 void set_audition (boost::shared_ptr<Region>);
1386 void non_realtime_set_audition ();
1387 boost::shared_ptr<Region> pending_audition_region;
1393 int flatten_one_track (AudioTrack&, framepos_t start, framecnt_t cnt);
1395 /* INSERT AND SEND MANAGEMENT */
1397 boost::dynamic_bitset<uint32_t> send_bitset;
1398 boost::dynamic_bitset<uint32_t> aux_send_bitset;
1399 boost::dynamic_bitset<uint32_t> return_bitset;
1400 boost::dynamic_bitset<uint32_t> insert_bitset;
1404 struct space_and_path {
1405 uint32_t blocks; ///< 4kB blocks
1406 bool blocks_unknown; ///< true if blocks is unknown
1411 , blocks_unknown (true)
1415 struct space_and_path_ascending_cmp {
1416 bool operator() (space_and_path a, space_and_path b) {
1417 if (a.blocks_unknown != b.blocks_unknown) {
1418 return !a.blocks_unknown;
1420 return a.blocks > b.blocks;
1424 void setup_raid_path (std::string path);
1426 std::vector<space_and_path> session_dirs;
1427 std::vector<space_and_path>::iterator last_rr_session_dir;
1428 uint32_t _total_free_4k_blocks;
1429 /** If this is true, _total_free_4k_blocks is not definite,
1430 as one or more of the session directories' filesystems
1431 could not report free space.
1433 bool _total_free_4k_blocks_uncertain;
1434 Glib::Threads::Mutex space_lock;
1436 bool no_questions_about_missing_files;
1438 std::string get_best_session_directory_for_new_source ();
1440 mutable gint _playback_load;
1441 mutable gint _capture_load;
1445 SerializedRCUManager<BundleList> _bundles;
1446 XMLNode* _bundle_xml_node;
1447 int load_bundles (XMLNode const &);
1449 UndoHistory _history;
1450 /** current undo transaction, or 0 */
1451 UndoTransaction* _current_trans;
1452 /** GQuarks to describe the reversible commands that are currently in progress.
1453 * These may be nested, in which case more recently-started commands are toward
1454 * the front of the list.
1456 std::list<GQuark> _current_trans_quarks;
1458 int backend_sync_callback (TransportState, framepos_t);
1460 void process_rtop (SessionEvent*);
1462 void update_latency (bool playback);
1464 XMLNode& state(bool);
1467 typedef std::list<Click*> Clicks;
1470 boost::shared_ptr<IO> _click_io;
1471 boost::shared_ptr<Amp> _click_gain;
1473 Sample* click_emphasis_data;
1474 framecnt_t click_length;
1475 framecnt_t click_emphasis_length;
1476 mutable Glib::Threads::RWLock click_lock;
1478 static const Sample default_click[];
1479 static const framecnt_t default_click_length;
1480 static const Sample default_click_emphasis[];
1481 static const framecnt_t default_click_emphasis_length;
1484 framepos_t _clicks_cleared;
1485 void setup_click_sounds (int which);
1486 void setup_click_sounds (Sample**, Sample const *, framecnt_t*, framecnt_t, std::string const &);
1487 void clear_clicks ();
1488 void click (framepos_t start, framecnt_t nframes);
1490 std::vector<Route*> master_outs;
1492 /* range playback */
1494 std::list<AudioRange> current_audio_range;
1496 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1497 void unset_play_range ();
1502 boost::shared_ptr<Route> _master_out;
1503 boost::shared_ptr<Route> _monitor_out;
1505 void auto_connect_master_bus ();
1507 /* Windows VST support */
1509 long _windows_vst_callback (
1518 int find_all_sources (std::string path, std::set<std::string>& result);
1519 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1521 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1522 Glib::Threads::Mutex controllables_lock;
1523 Controllables controllables;
1525 boost::shared_ptr<PBD::Controllable> _solo_cut_control;
1527 void reset_native_file_format();
1528 bool first_file_data_format_reset;
1529 bool first_file_header_format_reset;
1531 void config_changed (std::string, bool);
1533 XMLNode& get_control_protocol_state ();
1535 void set_history_depth (uint32_t depth);
1537 static bool _disable_all_loaded_plugins;
1539 mutable bool have_looped; ///< Used in ::audible_frame(*)
1541 void update_have_rec_enabled_track ();
1542 gint _have_rec_enabled_track;
1544 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
1546 /* realtime "apply to set of routes" operations */
1547 template<typename T> SessionEvent*
1548 get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, bool group_override,
1549 void (Session::*method) (boost::shared_ptr<RouteList>, T, bool)) {
1550 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
1551 ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
1552 ev->rt_return = after;
1553 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
1558 void rt_cancel_solo_after_disconnect (boost::shared_ptr<RouteList>, bool upstream, bool /* ignored*/ );
1559 void rt_set_solo (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1560 void rt_set_just_one_solo (boost::shared_ptr<RouteList>, bool yn, bool /* ignored*/ );
1561 void rt_set_mute (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1562 void rt_set_listen (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1563 void rt_set_solo_isolated (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1564 void rt_set_record_enabled (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1565 void rt_set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, bool group_override);
1567 /** temporary list of Diskstreams used only during load of 2.X sessions */
1568 std::list<boost::shared_ptr<Diskstream> > _diskstreams_2X;
1570 void add_session_range_location (framepos_t, framepos_t);
1572 void setup_midi_machine_control ();
1574 void step_edit_status_change (bool);
1575 uint32_t _step_editors;
1577 /** true if timecode transmission by the transport is suspended, otherwise false */
1578 mutable gint _suspend_timecode_transmission;
1580 void update_locations_after_tempo_map_change (Locations::LocationList &);
1582 void start_time_changed (framepos_t);
1583 void end_time_changed (framepos_t);
1585 void set_track_monitor_input_status (bool);
1586 framepos_t compute_stop_limit () const;
1588 boost::shared_ptr<Speakers> _speakers;
1589 void load_nested_sources (const XMLNode& node);
1591 /** The directed graph of routes that is currently being used for audio processing
1592 and solo/mute computations.
1594 GraphEdges _current_route_graph;
1596 uint32_t next_control_id () const;
1597 bool ignore_route_processor_changes;
1599 MidiClockTicker* midi_clock;
1601 boost::shared_ptr<IO> _ltc_input;
1602 boost::shared_ptr<IO> _ltc_output;
1604 void reconnect_ltc_input ();
1605 void reconnect_ltc_output ();
1607 /* persistent, non-track related MIDI ports */
1608 MidiPortManager* _midi_ports;
1609 MIDI::MachineControl* _mmc;
1612 void setup_click ();
1613 void setup_click_state (const XMLNode&);
1614 void setup_bundles ();
1616 static int get_session_info_from_path (XMLTree& state_tree, const std::string& xmlpath);
1619 } // namespace ARDOUR
1621 #endif /* __ardour_session_h__ */