2 * Copyright (C) 2000-2019 Paul Davis <paul@linuxaudiosystems.com>
3 * Copyright (C) 2005-2009 Taybin Rutkin <taybin@taybin.com>
4 * Copyright (C) 2006-2007 Jesse Chappell <jesse@essej.net>
5 * Copyright (C) 2006-2009 Sampo Savolainen <v2@iki.fi>
6 * Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
7 * Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
8 * Copyright (C) 2007-2015 Tim Mayberry <mojofunk@gmail.com>
9 * Copyright (C) 2008-2009 Hans Baier <hansfbaier@googlemail.com>
10 * Copyright (C) 2008-2009 Sakari Bergen <sakari.bergen@beatwaves.net>
11 * Copyright (C) 2012-2019 Robin Gareus <robin@gareus.org>
12 * Copyright (C) 2013-2017 Nick Mainsbridge <mainsbridge@gmail.com>
13 * Copyright (C) 2013-2018 John Emmas <john@creativepost.co.uk>
14 * Copyright (C) 2014-2018 Ben Loftis <ben@harrisonconsoles.com>
15 * Copyright (C) 2015-2018 Len Ovens <len@ovenwerks.net>
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License along
28 * with this program; if not, write to the Free Software Foundation, Inc.,
29 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
32 #ifndef __ardour_session_h__
33 #define __ardour_session_h__
36 #include "libardour-config.h"
48 #include <boost/dynamic_bitset.hpp>
49 #include <boost/scoped_ptr.hpp>
50 #include <boost/weak_ptr.hpp>
51 #include <boost/utility.hpp>
53 #include <glibmm/threads.h>
57 #include "pbd/error.h"
58 #include "pbd/event_loop.h"
59 #include "pbd/file_archive.h"
61 #include "pbd/reallocpool.h"
62 #include "pbd/statefuldestructible.h"
63 #include "pbd/signals.h"
66 #include "lua/luastate.h"
68 #include "evoral/Range.hpp"
70 #include "midi++/types.h"
71 #include "midi++/mmc.h"
73 #include "temporal/time.h"
75 #include "ardour/ardour.h"
76 #include "ardour/chan_count.h"
77 #include "ardour/delivery.h"
78 #include "ardour/interthread_info.h"
79 #include "ardour/luascripting.h"
80 #include "ardour/location.h"
81 #include "ardour/monitor_processor.h"
82 #include "ardour/presentation_info.h"
83 #include "ardour/rc_configuration.h"
84 #include "ardour/session_configuration.h"
85 #include "ardour/session_event.h"
86 #include "ardour/interpolation.h"
87 #include "ardour/plugin.h"
88 #include "ardour/presentation_info.h"
89 #include "ardour/route.h"
90 #include "ardour/route_graph.h"
91 #include "ardour/transport_api.h"
96 typedef struct _AEffect AEffect;
102 class MachineControl;
110 namespace luabridge {
122 class AudioFileSource;
127 class AutomationList;
140 class MidiClockTicker;
142 class MidiPortManager;
163 class SessionDirectory;
164 class SessionMetadata;
165 class SessionPlaylists;
169 class TransportMaster;
172 class UI_TransportMaster;
174 class WindowsVSTPlugin;
176 extern void setup_enum_writer ();
178 class LIBARDOUR_API SessionException: public std::exception {
180 explicit SessionException(const std::string msg) : _message(msg) {}
181 virtual ~SessionException() throw() {}
183 virtual const char* what() const throw() { return _message.c_str(); }
186 std::string _message;
189 /** Ardour Session */
190 class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager, public TransportAPI
201 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
202 the bus profile can be null if no master out bus is required.
205 Session (AudioEngine&,
206 const std::string& fullpath,
207 const std::string& snapshot_name,
208 BusProfile* bus_profile = 0,
209 std::string mix_template = "");
213 static int get_info_from_path (const std::string& xmlpath, float& sample_rate, SampleFormat& data_format, std::string& program_version);
214 static std::string get_snapshot_from_instant (const std::string& session_dir);
216 /** a monotonic counter used for naming user-visible things uniquely
217 * (curently the sidechain port).
218 * Use sparingly to keep the numbers low, prefer PBD::ID for all
219 * internal, not user-visible IDs */
220 static unsigned int next_name_id ();
222 std::string path() const { return _path; }
223 std::string name() const { return _name; }
224 std::string snap_name() const { return _current_snapshot_name; }
225 std::string raid_path () const;
226 bool path_is_within_session (const std::string&);
228 bool writable() const { return _writable; }
229 void set_clean (); // == Clean and emit DirtyChanged IFF session was Dirty
230 void set_dirty (); // |= Dirty and emit DirtyChanged (unless already dirty or Loading, Deletion)
231 void unset_dirty (bool emit_dirty_changed = false); // &= ~Dirty
232 void set_deletion_in_progress (); // |= Deletion
233 void clear_deletion_in_progress (); // &= ~Deletion
235 bool reconnection_in_progress () const { return _reconnecting_routes_in_progress; }
236 bool routes_deletion_in_progress () const { return _route_deletion_in_progress; }
237 bool dirty () const { return _state_of_the_state & Dirty; }
238 bool deletion_in_progress () const { return _state_of_the_state & Deletion; }
239 bool peaks_cleanup_in_progres () const { return _state_of_the_state & PeakCleanup; }
240 bool loading () const { return _state_of_the_state & Loading; }
241 bool cannot_save () const { return _state_of_the_state & CannotSave; }
242 bool in_cleanup () const { return _state_of_the_state & InCleanup; }
243 bool inital_connect_or_deletion_in_progress () { return _state_of_the_state & (InitialConnecting | Deletion); }
245 PBD::Signal0<void> DirtyChanged;
247 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
249 static PBD::Signal1<void,std::string> Dialog;
251 PBD::Signal0<void> BatchUpdateStart;
252 PBD::Signal0<void> BatchUpdateEnd;
254 int ensure_subdirs ();
256 std::string automation_dir () const; ///< Automation data
257 std::string analysis_dir () const; ///< Analysis data
258 std::string plugins_dir () const; ///< Plugin state
259 std::string externals_dir () const; ///< Links to external files
261 std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const;
263 bool audio_source_name_is_unique (const std::string& name);
264 std::string format_audio_source_name (const std::string& legalized_base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required, uint32_t cnt, bool related_exists);
265 std::string new_audio_source_path_for_embedded (const std::string& existing_path);
266 std::string new_audio_source_path (const std::string&, uint32_t nchans, uint32_t chan, bool destructive, bool take_required);
267 std::string new_midi_source_path (const std::string&, bool need_source_lock = true);
268 /** create a new track or bus from a template (XML path)
269 * @param how_many how many tracks or busses to create
270 * @param template_path path to xml template file
271 * @param name name (prefix) of the route to create
272 * @param pd Playlist disposition
273 * @return list of newly created routes
275 RouteList new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, const std::string& template_path, const std::string& name, PlaylistDisposition pd = NewPlaylist);
276 RouteList new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, XMLNode&, const std::string& name, PlaylistDisposition pd = NewPlaylist);
277 std::vector<std::string> get_paths_for_new_sources (bool allow_replacing, const std::string& import_file_path,
278 uint32_t channels, std::vector<std::string> const & smf_track_names);
280 int bring_all_sources_into_session (boost::function<void(uint32_t,uint32_t,std::string)> callback);
282 void process (pframes_t nframes);
284 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
285 BufferSet& get_noinplace_buffers (ChanCount count = ChanCount::ZERO);
286 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
287 BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
288 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
290 bool have_rec_enabled_track () const;
291 bool have_rec_disabled_track () const;
293 bool have_captured() const { return _have_captured; }
295 void refill_all_track_buffers ();
296 Butler* butler() { return _butler; }
297 void butler_transport_work ();
299 void refresh_disk_space ();
301 int load_routes (const XMLNode&, int);
302 boost::shared_ptr<RouteList> get_routes() const {
303 return routes.reader ();
306 boost::shared_ptr<RTTaskList> rt_tasklist () { return _rt_tasklist; }
308 RouteList get_routelist (bool mixer_order = false, PresentationInfo::Flag fl = PresentationInfo::MixerRoutes) const;
310 CoreSelection& selection () { return *_selection; }
312 /* because the set of Stripables consists of objects managed
313 * independently, in multiple containers within the Session (or objects
314 * owned by the session), we fill out a list in-place rather than
315 * return a pointer to a copy of the (RCU) managed list, as happens
319 void get_stripables (StripableList&, PresentationInfo::Flag fl = PresentationInfo::MixerStripables) const;
320 StripableList get_stripables () const;
321 boost::shared_ptr<RouteList> get_tracks() const;
322 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
323 boost::shared_ptr<RouteList> get_routes_with_regions_at (samplepos_t const) const;
325 boost::shared_ptr<AudioTrack> get_nth_audio_track (int nth) const;
327 uint32_t nstripables (bool with_monitor = false) const;
328 uint32_t nroutes() const { return routes.reader()->size(); }
329 uint32_t ntracks () const;
330 uint32_t nbusses () const;
332 bool plot_process_graph (std::string const& file_name) const;
334 boost::shared_ptr<BundleList> bundles () {
335 return _bundles.reader ();
338 void notify_presentation_info_change ();
340 template<class T> void foreach_route (T *obj, void (T::*func)(Route&), bool sort = true);
341 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>), bool sort = true);
342 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg, bool sort = true);
344 static char session_name_is_legal (const std::string&);
345 bool io_name_is_legal (const std::string&) const;
346 boost::shared_ptr<Route> route_by_name (std::string) const;
347 boost::shared_ptr<Route> route_by_id (PBD::ID) const;
348 boost::shared_ptr<Stripable> stripable_by_id (PBD::ID) const;
349 boost::shared_ptr<Stripable> get_remote_nth_stripable (PresentationInfo::order_t n, PresentationInfo::Flag) const;
350 boost::shared_ptr<Route> get_remote_nth_route (PresentationInfo::order_t n) const;
351 boost::shared_ptr<Route> route_by_selected_count (uint32_t cnt) const;
352 void routes_using_input_from (const std::string& str, RouteList& rl);
354 bool route_name_unique (std::string) const;
355 bool route_name_internal (std::string) const;
357 uint32_t track_number_decimals () const {
358 return _track_number_decimals;
361 bool get_record_enabled() const {
362 return (record_status () >= Enabled);
365 RecordState record_status() const {
366 return (RecordState) g_atomic_int_get (&_record_status);
369 bool actively_recording () const {
370 return record_status() == Recording;
373 bool record_enabling_legal () const;
374 void maybe_enable_record (bool rt_context = false);
375 void disable_record (bool rt_context, bool force = false);
376 void step_back_from_record ();
378 void set_all_tracks_record_enabled(bool);
380 void maybe_write_autosave ();
382 /* Emitted when all i/o connections are complete */
384 PBD::Signal0<void> IOConnectionsComplete;
386 /* Record status signals */
388 PBD::Signal0<void> RecordStateChanged; /* signals changes in recording state (i.e. are we recording) */
389 /* XXX may 2015: paul says: it isn't clear to me that this has semantics that cannot be inferrred
390 from the previous signal and session state.
392 PBD::Signal0<void> RecordArmStateChanged; /* signals changes in recording arming */
394 /* Emited when session is loaded */
395 PBD::Signal0<void> SessionLoaded;
397 /* Transport mechanism signals */
399 /** Emitted on the following changes in transport state:
400 * - stop (from the butler thread)
401 * - change in whether or not we are looping (from the process thread)
402 * - change in the play range (from the process thread)
403 * - start (from the process thread)
406 PBD::Signal0<void> TransportStateChange;
408 PBD::Signal1<void,samplepos_t> PositionChanged; /* sent after any non-sequential motion */
409 PBD::Signal1<void,samplepos_t> Xrun;
410 PBD::Signal0<void> TransportLooped;
412 /** emitted when a locate has occurred */
413 PBD::Signal0<void> Located;
415 PBD::Signal1<void,RouteList&> RouteAdded;
416 /** Emitted when a property of one of our route groups changes.
417 * The parameter is the RouteGroup that has changed.
419 PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
420 /** Emitted when a route is added to one of our route groups.
421 * First parameter is the RouteGroup, second is the route.
423 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
424 /** Emitted when a route is removed from one of our route groups.
425 * First parameter is the RouteGroup, second is the route.
427 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
429 /** Emitted when a foldback send is created or deleted
431 PBD::Signal0<void> FBSendsChanged;
433 /* Step Editing status changed */
434 PBD::Signal1<void,bool> StepEditStatusChange;
436 /* Timecode state signals */
437 PBD::Signal0<void> MtcOrLtcInputPortChanged;
439 void queue_event (SessionEvent*);
441 void request_roll_at_and_return (samplepos_t start, samplepos_t return_to);
442 void request_bounded_roll (samplepos_t start, samplepos_t end);
443 void request_stop (bool abort = false, bool clear_state = false, TransportRequestSource origin = TRS_UI);
444 void request_locate (samplepos_t sample, bool with_roll = false, TransportRequestSource origin = TRS_UI);
446 void request_play_loop (bool yn, bool leave_rolling = false);
447 bool get_play_loop () const { return play_loop; }
449 samplepos_t last_transport_start () const { return _last_roll_location; }
451 void goto_start (bool and_roll = false);
452 void use_rf_shuttle_speed ();
453 void allow_auto_play (bool yn);
454 void request_transport_speed (double speed, bool as_default = true, TransportRequestSource origin = TRS_UI);
455 void request_transport_speed_nonzero (double, bool as_default = true, TransportRequestSource origin = TRS_UI);
456 void request_overwrite_buffer (boost::shared_ptr<Route>);
457 void adjust_playback_buffering();
458 void adjust_capture_buffering();
460 bool global_locate_pending() const { return _global_locate_pending; }
461 bool locate_pending() const;
462 bool declick_in_progress () const;
463 bool transport_locked () const;
467 samplepos_t current_end_sample () const;
468 samplepos_t current_start_sample () const;
469 /** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
470 samplecnt_t sample_rate () const { return _current_sample_rate; }
471 /** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
472 samplecnt_t nominal_sample_rate () const { return _nominal_sample_rate; }
473 samplecnt_t frames_per_hour () const { return _frames_per_hour; }
475 double samples_per_timecode_frame() const { return _samples_per_timecode_frame; }
476 samplecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
478 MIDI::byte get_mtc_timecode_bits() const {
479 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
482 double timecode_frames_per_second() const;
483 bool timecode_drop_frames() const;
487 Locations *locations() { return _locations; }
489 PBD::Signal1<void,Location*> auto_loop_location_changed;
490 PBD::Signal1<void,Location*> auto_punch_location_changed;
491 PBD::Signal0<void> locations_modified;
493 void set_auto_punch_location (Location *);
494 void set_auto_loop_location (Location *);
495 void set_session_extents (samplepos_t start, samplepos_t end);
496 bool session_range_is_free () const { return _session_range_is_free; }
497 void set_session_range_is_free (bool);
499 pframes_t get_block_size () const { return current_block_size; }
500 samplecnt_t worst_output_latency () const { return _worst_output_latency; }
501 samplecnt_t worst_input_latency () const { return _worst_input_latency; }
502 samplecnt_t worst_route_latency () const { return _worst_route_latency; }
503 samplecnt_t worst_latency_preroll () const;
506 std::string new_parent_folder; /* parent folder where new session folder will be created */
507 std::string new_name; /* name of newly saved session */
508 bool switch_to; /* true if we should be working on newly saved session after save-as; false otherwise */
509 bool include_media; /* true if the newly saved session should contain references to media */
510 bool copy_media; /* true if media files (audio, media, etc) should be copied into newly saved session; false otherwise */
511 bool copy_external; /* true if external media should be consolidated into the newly saved session; false otherwise */
513 std::string final_session_folder_name; /* filled in by * Session::save_as(), provides full path to newly saved session */
515 /* emitted as we make progress. 3 arguments passed to signal
518 * 1: percentage complete measured as a fraction (0-1.0) of
519 * total data copying done.
520 * 2: number of files copied so far
521 * 3: total number of files to copy
523 * Handler should return true for save-as to continue, or false
524 * to stop (and remove all evidence of partial save-as).
526 PBD::Signal3<bool,float,int64_t,int64_t> Progress;
528 /* if save_as() returns non-zero, this string will indicate the reason why.
530 std::string failure_message;
533 int save_as (SaveAs&);
536 * @param snapshot_name name of the session (use an empty string for the current name)
537 * @param pending save a 'recovery', not full state (default: false)
538 * @param switch_to_snapshot switch to given snapshot after saving (default: false)
539 * @param template_only save a session template (default: false)
540 * @return zero on success
542 int save_state (std::string snapshot_name,
543 bool pending = false,
544 bool switch_to_snapshot = false,
545 bool template_only = false,
546 bool for_archive = false,
547 bool only_used_assets = false);
555 int archive_session (const std::string&, const std::string&,
556 ArchiveEncode compress_audio = FLAC_16BIT,
557 PBD::FileArchive::CompressionLevel compression_level = PBD::FileArchive::CompressGood,
558 bool only_used_sources = false,
561 int restore_state (std::string snapshot_name);
562 int save_template (const std::string& template_name, const std::string& description = "", bool replace_existing = false);
563 int save_history (std::string snapshot_name = "");
564 int restore_history (std::string snapshot_name);
565 void remove_state (std::string snapshot_name);
566 void rename_state (std::string old_name, std::string new_name);
567 void remove_pending_capture_state ();
568 int rename (const std::string&);
569 bool get_nsm_state () const { return _under_nsm_control; }
570 void set_nsm_state (bool state) { _under_nsm_control = state; }
571 bool save_default_options ();
573 PBD::Signal1<void,std::string> StateSaved;
574 PBD::Signal0<void> StateReady;
576 /* emitted when session needs to be saved due to some internal
577 * event or condition (i.e. not in response to a user request).
579 * Only one object should
580 * connect to this signal and take responsibility.
582 * Argument is the snapshot name to use when saving.
584 PBD::Signal1<void,std::string> SaveSessionRequested;
586 /* emitted during a session save to allow other entities to add state, via
587 * extra XML, to the session state
589 PBD::Signal0<void> SessionSaveUnderway;
591 std::vector<std::string> possible_states() const;
592 static std::vector<std::string> possible_states (std::string path);
594 bool export_track_state (boost::shared_ptr<RouteList> rl, const std::string& path);
596 /// The instant xml file is written to the session directory
597 void add_instant_xml (XMLNode&, bool write_to_config = true);
598 XMLNode* instant_xml (const std::string& str);
600 enum StateOfTheState {
605 InitialConnecting = 0x8,
611 class StateProtector {
613 StateProtector (Session* s) : _session (s) {
614 g_atomic_int_inc (&s->_suspend_save);
617 if (g_atomic_int_dec_and_test (&_session->_suspend_save)) {
618 while (_session->_save_queued) {
619 _session->_save_queued = false;
620 _session->save_state ("");
628 class ProcessorChangeBlocker {
630 ProcessorChangeBlocker (Session* s, bool rc = true)
632 , _reconfigure_on_delete (rc)
634 g_atomic_int_inc (&s->_ignore_route_processor_changes);
636 ~ProcessorChangeBlocker () {
637 if (g_atomic_int_dec_and_test (&_session->_ignore_route_processor_changes)) {
638 if (_reconfigure_on_delete) {
639 _session->route_processors_changed (RouteProcessorChange ());
645 bool _reconfigure_on_delete;
648 RouteGroup* new_route_group (const std::string&);
649 void add_route_group (RouteGroup *);
650 void remove_route_group (RouteGroup* rg) { if (rg) remove_route_group (*rg); }
651 void remove_route_group (RouteGroup&);
652 void reorder_route_groups (std::list<RouteGroup*>);
654 RouteGroup* route_group_by_name (std::string);
655 RouteGroup& all_route_group() const;
657 PBD::Signal1<void,RouteGroup*> route_group_added;
658 PBD::Signal0<void> route_group_removed;
659 PBD::Signal0<void> route_groups_reordered;
661 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
662 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
667 std::list<RouteGroup*> const & route_groups () const {
668 return _route_groups;
671 /* fundamental operations. duh. */
673 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
676 RouteGroup* route_group,
678 std::string name_template,
679 PresentationInfo::order_t order,
680 TrackMode mode = Normal
683 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
684 const ChanCount& input, const ChanCount& output, bool strict_io,
685 boost::shared_ptr<PluginInfo> instrument,
686 Plugin::PresetRecord* pset,
687 RouteGroup* route_group, uint32_t how_many, std::string name_template,
688 PresentationInfo::order_t,
689 TrackMode mode = Normal
692 RouteList new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, std::string name_template, PresentationInfo::Flag, PresentationInfo::order_t);
693 RouteList new_midi_route (RouteGroup* route_group, uint32_t how_many, std::string name_template, bool strict_io, boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord*, PresentationInfo::Flag, PresentationInfo::order_t);
695 void remove_routes (boost::shared_ptr<RouteList>);
696 void remove_route (boost::shared_ptr<Route>);
698 void resort_routes ();
699 void resort_routes_using (boost::shared_ptr<RouteList>);
701 AudioEngine & engine() { return _engine; }
702 AudioEngine const & engine () const { return _engine; }
704 static std::string default_track_name_pattern (DataType);
708 samplepos_t transport_sample () const { return _transport_sample; }
709 samplepos_t record_location () const { return _last_record_location; }
710 samplepos_t audible_sample (bool* latent_locate = NULL) const;
711 samplepos_t requested_return_sample() const { return _requested_return_sample; }
712 void set_requested_return_sample(samplepos_t return_to);
714 bool compute_audible_delta (samplepos_t& pos_and_delta) const;
715 samplecnt_t remaining_latency_preroll () const { return _remaining_latency_preroll; }
729 void sync_time_vars();
731 void bbt_time (samplepos_t when, Timecode::BBT_Time&);
732 void timecode_to_sample(Timecode::Time& timecode, samplepos_t& sample, bool use_offset, bool use_subframes) const;
733 void sample_to_timecode(samplepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
734 void timecode_time (Timecode::Time &);
735 void timecode_time (samplepos_t when, Timecode::Time&);
736 void timecode_time_subframes (samplepos_t when, Timecode::Time&);
738 void timecode_duration (samplecnt_t, Timecode::Time&) const;
739 void timecode_duration_string (char *, size_t len, samplecnt_t) const;
741 samplecnt_t convert_to_samples (AnyTime const & position);
742 samplecnt_t any_duration_to_samples (samplepos_t position, AnyTime const & duration);
744 static PBD::Signal1<void, samplepos_t> StartTimeChanged;
745 static PBD::Signal1<void, samplepos_t> EndTimeChanged;
747 void request_sync_source (boost::shared_ptr<TransportMaster>);
748 bool synced_to_engine() const;
750 double engine_speed() const { return _engine_speed; }
751 double actual_speed() const {
752 if (_transport_speed > 0) return _engine_speed;
753 if (_transport_speed < 0) return - _engine_speed;
756 double transport_speed() const { return _count_in_samples > 0 ? 0. : _transport_speed; }
757 bool transport_stopped() const;
758 bool transport_rolling() const;
760 bool silent () { return _silent; }
762 TempoMap& tempo_map() { return *_tempo_map; }
763 const TempoMap& tempo_map() const { return *_tempo_map; }
764 void maybe_update_tempo_from_midiclock_tempo (float bpm);
766 unsigned int get_xrun_count () const {return _xrun_count; }
767 void reset_xrun_count () {_xrun_count = 0; }
771 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
773 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
774 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
775 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
777 /* source management */
779 void import_files (ImportStatus&);
780 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
781 std::string build_tmp_convert_name (std::string file);
783 boost::shared_ptr<ExportHandler> get_export_handler ();
784 boost::shared_ptr<ExportStatus> get_export_status ();
786 int start_audio_export (samplepos_t position, bool realtime = false, bool region_export = false);
788 PBD::Signal1<int, samplecnt_t> ProcessExport;
789 static PBD::Signal2<void,std::string, std::string> Exported;
791 void add_source (boost::shared_ptr<Source>);
792 void remove_source (boost::weak_ptr<Source>);
794 void cleanup_regions();
795 bool can_cleanup_peakfiles () const;
796 int cleanup_peakfiles ();
797 int cleanup_sources (CleanupReport&);
798 int cleanup_trash_sources (CleanupReport&);
800 int destroy_sources (std::list<boost::shared_ptr<Source> >);
802 int remove_last_capture ();
803 void get_last_capture_sources (std::list<boost::shared_ptr<Source> >&);
805 /** handlers should return 0 for "everything OK", and any other value for
806 * "cannot setup audioengine".
808 static PBD::Signal1<int,uint32_t> AudioEngineSetupRequired;
810 /** handlers should return -1 for "stop cleanup",
811 0 for "yes, delete this playlist",
812 1 for "no, don't delete this playlist".
814 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
816 /** handlers should return 0 for "ignore the rate mismatch",
817 !0 for "do not use this session"
819 static PBD::Signal2<int, samplecnt_t, samplecnt_t> AskAboutSampleRateMismatch;
821 /** non interactive message */
822 static PBD::Signal2<void, samplecnt_t, samplecnt_t> NotifyAboutSampleRateMismatch;
824 /** handlers should return !0 for use pending state, 0 for ignore it.
826 static PBD::Signal0<int> AskAboutPendingState;
828 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
829 size_t, std::string const &, uint32_t, bool destructive);
831 boost::shared_ptr<MidiSource> create_midi_source_for_session (std::string const &);
832 boost::shared_ptr<MidiSource> create_midi_source_by_stealing_name (boost::shared_ptr<Track>);
834 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
835 boost::shared_ptr<AudioFileSource> audio_source_by_path_and_channel (const std::string&, uint16_t) const;
836 boost::shared_ptr<MidiSource> midi_source_by_path (const std::string&, bool need_source_lock) const;
837 uint32_t count_sources_by_origin (const std::string&);
839 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
841 /* Curves and AutomationLists (TODO when they go away) */
842 void add_automation_list(AutomationList*);
846 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
847 void audition_playlist ();
848 void audition_region (boost::shared_ptr<Region>);
849 void cancel_audition ();
850 bool is_auditioning () const;
852 PBD::Signal1<void,bool> AuditionActive;
855 void register_lua_function (const std::string&, const std::string&, const LuaScriptParamList&);
856 void unregister_lua_function (const std::string& name);
857 std::vector<std::string> registered_lua_functions ();
858 uint32_t registered_lua_function_count () const { return _n_lua_scripts; }
859 void scripts_changed (); // called from lua, updates _n_lua_scripts
861 PBD::Signal0<void> LuaScriptsChanged;
863 /* flattening stuff */
865 boost::shared_ptr<Region> write_one_track (Track&, samplepos_t start, samplepos_t end,
866 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
867 boost::shared_ptr<Processor> endpoint,
868 bool include_endpoint, bool for_export, bool for_freeze);
869 int freeze_all (InterThreadInfo&);
871 /* session-wide solo/mute/rec-enable */
874 std::vector<boost::weak_ptr<AutomationControl> > cancel_all_mute ();
876 bool soloing() const { return _non_soloed_outs_muted; }
877 bool listening() const { return _listen_cnt > 0; }
878 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
879 void cancel_all_solo ();
881 bool solo_selection_active();
882 void solo_selection( StripableList&, bool );
884 static const SessionEvent::RTeventCallback rt_cleanup;
886 void clear_all_solo_state (boost::shared_ptr<RouteList>);
888 /* Control-based methods */
890 void set_controls (boost::shared_ptr<ControlList>, double val, PBD::Controllable::GroupControlDisposition);
891 void set_control (boost::shared_ptr<AutomationControl>, double val, PBD::Controllable::GroupControlDisposition);
893 void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others = false);
895 PBD::Signal1<void,bool> SoloActive;
896 PBD::Signal0<void> SoloChanged;
897 PBD::Signal0<void> MuteChanged;
898 PBD::Signal0<void> IsolatedChanged;
899 PBD::Signal0<void> MonitorChanged;
900 PBD::Signal0<void> MonitorBusAddedOrRemoved;
902 PBD::Signal0<void> session_routes_reconnected;
904 /* monitor/master out */
905 int add_master_bus (ChanCount const&);
907 void reset_monitor_section ();
908 bool monitor_active() const { return (_monitor_out && _monitor_out->monitor_control () && _monitor_out->monitor_control ()->monitor_active()); }
910 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
911 boost::shared_ptr<Route> master_out() const { return _master_out; }
913 PresentationInfo::order_t master_order_key () const { return _master_out ? _master_out->presentation_info ().order () : -1; }
914 bool ensure_stripable_sort_order ();
916 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
917 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
918 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
919 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
920 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
921 void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
922 void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
924 static void set_disable_all_loaded_plugins (bool yn) {
925 _disable_all_loaded_plugins = yn;
927 static bool get_disable_all_loaded_plugins() {
928 return _disable_all_loaded_plugins;
930 static void set_bypass_all_loaded_plugins (bool yn) {
931 _bypass_all_loaded_plugins = yn;
933 static bool get_bypass_all_loaded_plugins() {
934 return _bypass_all_loaded_plugins;
937 uint32_t next_send_id();
938 uint32_t next_aux_send_id();
939 uint32_t next_return_id();
940 uint32_t next_insert_id();
941 void mark_send_id (uint32_t);
942 void mark_aux_send_id (uint32_t);
943 void mark_return_id (uint32_t);
944 void mark_insert_id (uint32_t);
945 void unmark_send_id (uint32_t);
946 void unmark_aux_send_id (uint32_t);
947 void unmark_return_id (uint32_t);
948 void unmark_insert_id (uint32_t);
950 /* s/w "RAID" management */
952 boost::optional<samplecnt_t> available_capture_duration();
956 void add_bundle (boost::shared_ptr<Bundle>, bool emit_signal = true);
957 void remove_bundle (boost::shared_ptr<Bundle>);
958 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
960 PBD::Signal0<void> BundleAddedOrRemoved;
964 /* History (for editors, mixers, UIs etc.) */
966 /** Undo some transactions.
967 * @param n Number of transactions to undo.
969 void undo (uint32_t n);
970 /** Redo some transactions.
971 * @param n Number of transactions to undo.
973 void redo (uint32_t n);
975 UndoHistory& history() { return _history; }
977 uint32_t undo_depth() const { return _history.undo_depth(); }
978 uint32_t redo_depth() const { return _history.redo_depth(); }
979 std::string next_undo() const { return _history.next_undo(); }
980 std::string next_redo() const { return _history.next_redo(); }
982 /** begin collecting undo information
984 * This call must always be followed by either
985 * begin_reversible_command() or commit_reversible_command()
987 * @param cmd_name human readable name for the undo operation
989 void begin_reversible_command (const std::string& cmd_name);
990 void begin_reversible_command (GQuark);
991 /** abort an open undo command
992 * This must only be called after begin_reversible_command ()
994 void abort_reversible_command ();
995 /** finalize an undo command and commit pending transactions
997 * This must only be called after begin_reversible_command ()
998 * @param cmd (additional) command to add
1000 void commit_reversible_command (Command* cmd = 0);
1002 void add_command (Command *const cmd);
1004 /** create an StatefulDiffCommand from the given object and add it to the stack.
1006 * This function must only be called after begin_reversible_command.
1007 * Failing to do so may lead to a crash.
1009 * @param sfd the object to diff
1010 * @returns the allocated StatefulDiffCommand (already added via add_command)
1012 PBD::StatefulDiffCommand* add_stateful_diff_command (boost::shared_ptr<PBD::StatefulDestructible> sfd);
1014 /** @return The list of operations that are currently in progress */
1015 std::list<GQuark> const & current_operations () {
1016 return _current_trans_quarks;
1019 bool operation_in_progress (GQuark) const;
1021 void add_commands (std::vector<Command*> const & cmds);
1023 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
1025 // these commands are implemented in libs/ardour/session_command.cc
1026 Command* memento_command_factory(XMLNode* n);
1027 Command* stateful_diff_command_factory (XMLNode *);
1028 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
1032 boost::shared_ptr<IO> click_io() { return _click_io; }
1033 boost::shared_ptr<Amp> click_gain() { return _click_gain; }
1035 /* disk, buffer loads */
1037 uint32_t playback_load ();
1038 uint32_t capture_load ();
1042 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
1043 void request_cancel_play_range ();
1044 bool get_play_range () const { return _play_range; }
1046 void maybe_update_session_range (samplepos_t, samplepos_t);
1049 samplecnt_t preroll_samples (samplepos_t) const;
1051 void request_preroll_record_trim (samplepos_t start, samplecnt_t preroll);
1052 void request_count_in_record ();
1054 samplecnt_t preroll_record_trim_len () const { return _preroll_record_trim_len; }
1056 /* temporary hacks to allow selection to be pushed from GUI into backend.
1057 Whenever we move the selection object into libardour, these will go away.
1059 void set_range_selection (samplepos_t start, samplepos_t end);
1060 void set_object_selection (samplepos_t start, samplepos_t end);
1061 void clear_range_selection ();
1062 void clear_object_selection ();
1064 /* buffers for gain and pan */
1066 gain_t* gain_automation_buffer () const;
1067 gain_t* trim_automation_buffer () const;
1068 gain_t* send_gain_automation_buffer () const;
1069 gain_t* scratch_automation_buffer () const;
1070 pan_t** pan_automation_buffer () const;
1072 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
1076 static int vst_current_loading_id;
1077 static const char* vst_can_do_strings[];
1078 static const int vst_can_do_string_count;
1080 static intptr_t vst_callback (
1089 static PBD::Signal0<void> SendFeedback;
1093 boost::shared_ptr<Speakers> get_speakers ();
1097 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
1099 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
1100 boost::shared_ptr<AutomationControl> automation_control_by_id (const PBD::ID&);
1102 void add_controllable (boost::shared_ptr<PBD::Controllable>);
1104 boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
1106 SessionConfiguration config;
1108 SessionConfiguration* cfg () { return &config; }
1110 bool exporting () const {
1114 bool bounce_processing() const {
1115 return _bounce_processing_active;
1118 /* this is a private enum, but setup_enum_writer() needs it,
1119 and i can't find a way to give that function
1120 friend access. sigh.
1123 enum PostTransportWork {
1124 PostTransportStop = 0x1,
1125 /* PostTransportDuration */
1126 PostTransportLocate = 0x4,
1127 PostTransportRoll = 0x8,
1128 PostTransportAbort = 0x10,
1129 PostTransportOverWrite = 0x20,
1130 /* PostTransportSpeed = 0x40, */
1131 PostTransportAudition = 0x80,
1132 PostTransportReverse = 0x100,
1133 /* PostTransportInputChange = 0x200, */
1134 /*PostTransportCurveRealloc = 0x400, */
1135 PostTransportClearSubstate = 0x800,
1136 PostTransportAdjustPlaybackBuffering = 0x1000,
1137 PostTransportAdjustCaptureBuffering = 0x2000
1140 boost::shared_ptr<SessionPlaylists> playlists () const { return _playlists; }
1142 void send_mmc_locate (samplepos_t);
1143 void queue_full_time_code () { _send_timecode_update = true; }
1144 void queue_song_position_pointer () { /* currently does nothing */ }
1146 bool step_editing() const { return (_step_editors > 0); }
1148 void request_suspend_timecode_transmission ();
1149 void request_resume_timecode_transmission ();
1150 bool timecode_transmission_suspended () const;
1152 std::vector<std::string> source_search_path(DataType) const;
1153 void ensure_search_path_includes (const std::string& path, DataType type);
1154 void remove_dir_from_search_path (const std::string& path, DataType type);
1156 std::list<std::string> unknown_processors () const;
1158 /** Emitted when a feedback cycle has been detected within Ardour's signal
1159 processing path. Until it is fixed (by the user) some (unspecified)
1160 routes will not be run.
1162 static PBD::Signal0<void> FeedbackDetected;
1164 /** Emitted when a graph sort has successfully completed, which means
1165 that it has no feedback cycles.
1167 static PBD::Signal0<void> SuccessfulGraphSort;
1169 /* handlers can return an integer value:
1170 0: config.set_audio_search_path() or config.set_midi_search_path() was used
1171 to modify the search path and we should try to find it again.
1172 1: quit entire session load
1173 2: as 0, but don't ask about other missing files
1174 3: don't ask about other missing files, and just mark this one missing
1175 -1: just mark this one missing
1176 any other value: as -1
1178 static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
1180 void set_missing_file_replacement (const std::string& mfr) {
1181 _missing_file_replacement = mfr;
1184 /** Emitted when the session wants Ardour to quit */
1185 static PBD::Signal0<void> Quit;
1187 /** Emitted when Ardour is asked to load a session in an older session
1188 * format, and makes a backup copy.
1190 static PBD::Signal2<void,std::string,std::string> VersionMismatch;
1192 SceneChanger* scene_changer() const { return _scene_changer; }
1194 /* asynchronous MIDI control ports */
1196 boost::shared_ptr<Port> midi_input_port () const;
1197 boost::shared_ptr<Port> midi_output_port () const;
1198 boost::shared_ptr<Port> mmc_output_port () const;
1199 boost::shared_ptr<Port> mmc_input_port () const;
1200 boost::shared_ptr<Port> scene_input_port () const;
1201 boost::shared_ptr<Port> scene_output_port () const;
1203 /* synchronous MIDI ports used for synchronization */
1205 boost::shared_ptr<MidiPort> midi_clock_output_port () const;
1206 boost::shared_ptr<MidiPort> mtc_output_port () const;
1207 boost::shared_ptr<Port> ltc_output_port() const;
1209 boost::shared_ptr<IO> ltc_output_io() { return _ltc_output; }
1211 MIDI::MachineControl& mmc() { return *_mmc; }
1213 void reconnect_midi_scene_ports (bool);
1214 void reconnect_mmc_ports (bool);
1216 void reconnect_ltc_output ();
1218 VCAManager& vca_manager() { return *_vca_manager; }
1219 VCAManager* vca_manager_ptr() { return _vca_manager; }
1221 void auto_connect_thread_wakeup ();
1223 double compute_speed_from_master (pframes_t nframes);
1224 bool transport_master_is_external() const;
1225 bool transport_master_no_external_or_using_engine() const;
1226 boost::shared_ptr<TransportMaster> transport_master() const;
1228 void import_pt (PTFFormat& ptf, ImportStatus& status);
1229 bool import_sndfile_as_region (std::string path, SrcQuality quality, samplepos_t& pos, SourceList& sources, ImportStatus& status);
1232 friend class AudioEngine;
1233 void set_block_size (pframes_t nframes);
1234 void set_sample_rate (samplecnt_t nframes);
1237 void update_latency_compensation (bool force = false);
1241 void locate (samplepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false, bool with_mmc=true);
1242 void stop_transport (bool abort = false, bool clear_state = false);
1243 void start_transport ();
1244 void butler_completed_transport_work ();
1245 void post_locate ();
1246 void schedule_butler_for_transport_work ();
1247 bool should_roll_after_locate () const;
1248 double speed() const { return _transport_speed; }
1251 int create (const std::string& mix_template, BusProfile*);
1254 static guint _name_id_counter;
1255 static void init_name_id_counter (guint n);
1256 static unsigned int name_id_counter ();
1258 boost::shared_ptr<SessionPlaylists> _playlists;
1260 /* stuff used in process() should be close together to
1264 typedef void (Session::*process_function_type)(pframes_t);
1266 AudioEngine& _engine;
1267 mutable gint processing_prohibited;
1268 process_function_type process_function;
1269 process_function_type last_process_function;
1270 bool _bounce_processing_active;
1271 bool waiting_for_sync_offset;
1272 samplecnt_t _base_sample_rate; // sample-rate of the session at creation time, "native" SR
1273 samplecnt_t _nominal_sample_rate; // overridden by audioengine setting
1274 samplecnt_t _current_sample_rate; // this includes video pullup offset
1275 mutable gint _record_status;
1276 samplepos_t _transport_sample;
1278 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
1279 bool _session_range_is_free;
1281 samplecnt_t _remaining_latency_preroll;
1283 // varispeed playback -- TODO: move out of session to backend.
1284 double _engine_speed;
1285 double _transport_speed; // only: -1, 0, +1
1286 double _default_transport_speed;
1287 double _last_transport_speed;
1288 double _signalled_varispeed;
1289 double _target_transport_speed;
1291 bool auto_play_legal;
1292 samplepos_t _requested_return_sample;
1293 pframes_t current_block_size;
1294 samplecnt_t _worst_output_latency;
1295 samplecnt_t _worst_input_latency;
1296 samplecnt_t _worst_route_latency;
1297 uint32_t _send_latency_changes;
1298 bool _have_captured;
1299 bool _non_soloed_outs_muted;
1301 uint32_t _listen_cnt;
1302 uint32_t _solo_isolated_cnt;
1305 bool _under_nsm_control;
1306 unsigned int _xrun_count;
1308 std::string _missing_file_replacement;
1310 void add_monitor_section ();
1311 void remove_monitor_section ();
1313 void initialize_latencies ();
1314 void update_latency (bool playback);
1315 bool update_route_latency (bool reverse, bool apply_to_delayline);
1317 void set_worst_io_latencies ();
1318 void set_worst_output_latency ();
1319 void set_worst_input_latency ();
1321 void send_latency_compensation_change ();
1322 void set_worst_io_latencies_x (IOChange, void *);
1324 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
1326 void process_scrub (pframes_t);
1327 void process_without_events (pframes_t);
1328 void process_with_events (pframes_t);
1329 void process_audition (pframes_t);
1330 void process_export (pframes_t);
1331 void process_export_fw (pframes_t);
1333 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1334 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1335 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1337 static const samplecnt_t bounce_chunk_size;
1339 /* Transport master DLL */
1341 enum TransportMasterState {
1342 Stopped, /* no incoming or invalid signal/data for master to run with */
1343 Waiting, /* waiting to get full lock on incoming signal/data */
1344 Running /* lock achieved, master is generating meaningful speed & position */
1347 TransportMasterState transport_master_tracking_state;
1348 samplepos_t master_wait_end;
1349 void track_transport_master (float slave_speed, samplepos_t slave_transport_sample);
1350 bool follow_transport_master (pframes_t nframes);
1352 void sync_source_changed (SyncSource, samplepos_t pos, pframes_t cycle_nframes);
1353 void reset_slave_state ();
1355 bool post_export_sync;
1356 samplepos_t post_export_position;
1359 bool _export_rolling;
1360 bool _realtime_export;
1361 bool _region_export;
1362 samplepos_t _export_preroll;
1364 boost::shared_ptr<ExportHandler> export_handler;
1365 boost::shared_ptr<ExportStatus> export_status;
1368 int stop_audio_export ();
1369 void finalize_audio_export (TransportRequestSource trs);
1370 void finalize_export_internal (bool stop_freewheel);
1371 bool _pre_export_mmc_enabled;
1373 PBD::ScopedConnection export_freewheel_connection;
1375 void get_track_statistics ();
1376 int process_routes (pframes_t, bool& need_butler);
1377 int silent_process_routes (pframes_t, bool& need_butler);
1379 /** @return 1 if there is a pending declick fade-in,
1380 -1 if there is a pending declick fade-out,
1381 0 if there is no pending declick.
1383 bool maybe_stop (samplepos_t limit);
1384 bool maybe_sync_start (pframes_t &);
1390 /** Number of process samples since the last MTC output (when sending MTC); used to
1391 * know when to send full MTC messages every so often.
1393 pframes_t _pframes_since_last_mtc;
1396 samplepos_t last_loopend;
1398 boost::scoped_ptr<SessionDirectory> _session_dir;
1401 void graph_reordered ();
1403 /** current snapshot name, without the .ardour suffix */
1404 void set_snapshot_name (const std::string &);
1405 void save_snapshot_name (const std::string &);
1406 std::string _current_snapshot_name;
1408 XMLTree* state_tree;
1409 bool state_was_pending;
1410 StateOfTheState _state_of_the_state;
1412 friend class StateProtector;
1413 gint _suspend_save; /* atomic */
1414 volatile bool _save_queued;
1415 Glib::Threads::Mutex save_state_lock;
1416 Glib::Threads::Mutex save_source_lock;
1417 Glib::Threads::Mutex peak_cleanup_lock;
1419 int load_options (const XMLNode&);
1420 int load_state (std::string snapshot_name);
1421 static int parse_stateful_loading_version (const std::string&);
1423 samplepos_t _last_roll_location;
1424 /** the session sample time at which we last rolled, located, or changed transport direction */
1425 samplepos_t _last_roll_or_reversal_location;
1426 samplepos_t _last_record_location;
1429 bool pending_auto_loop;
1431 PBD::ReallocPool _mempool;
1433 Glib::Threads::Mutex lua_lock;
1434 luabridge::LuaRef * _lua_run;
1435 luabridge::LuaRef * _lua_add;
1436 luabridge::LuaRef * _lua_del;
1437 luabridge::LuaRef * _lua_list;
1438 luabridge::LuaRef * _lua_load;
1439 luabridge::LuaRef * _lua_save;
1440 luabridge::LuaRef * _lua_cleanup;
1441 uint32_t _n_lua_scripts;
1444 void try_run_lua (pframes_t);
1448 TransportFSM* _transport_fsm;
1450 static const PostTransportWork ProcessCannotProceedMask =
1452 PostTransportAudition|
1453 PostTransportClearSubstate);
1455 gint _post_transport_work; /* accessed only atomic ops */
1456 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<gint*>(&_post_transport_work)); }
1457 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1458 void add_post_transport_work (PostTransportWork ptw);
1460 void schedule_playback_buffering_adjustment ();
1461 void schedule_capture_buffering_adjustment ();
1463 Locations* _locations;
1464 void location_added (Location*);
1465 void location_removed (Location*);
1466 void locations_changed ();
1467 void _locations_changed (const Locations::LocationList&);
1469 void update_skips (Location*, bool consolidate);
1470 void update_marks (Location* loc);
1471 void consolidate_skips (Location*);
1472 void sync_locations_to_skips ();
1473 void _sync_locations_to_skips ();
1475 PBD::ScopedConnectionList skip_update_connections;
1476 bool _ignore_skips_updates;
1478 PBD::ScopedConnectionList punch_connections;
1479 void auto_punch_start_changed (Location *);
1480 void auto_punch_end_changed (Location *);
1481 void auto_punch_changed (Location *);
1483 PBD::ScopedConnectionList loop_connections;
1484 void auto_loop_changed (Location *);
1485 void auto_loop_declick_range (Location *, samplepos_t &, samplepos_t &);
1487 int ensure_engine (uint32_t desired_sample_rate, bool);
1488 void pre_engine_init (std::string path);
1489 int post_engine_init ();
1490 int immediately_post_engine ();
1491 void remove_empty_sounds ();
1493 void session_loaded ();
1495 void setup_midi_control ();
1496 int midi_read (MIDI::Port *);
1498 void enable_record ();
1500 void increment_transport_position (samplecnt_t val) {
1501 if (max_samplepos - val < _transport_sample) {
1502 _transport_sample = max_samplepos;
1504 _transport_sample += val;
1508 void decrement_transport_position (samplecnt_t val) {
1509 if (val < _transport_sample) {
1510 _transport_sample -= val;
1512 _transport_sample = 0;
1516 void post_transport_motion ();
1517 static void *session_loader_thread (void *arg);
1521 /* Signal Forwarding */
1522 void emit_route_signals ();
1523 void emit_thread_run ();
1524 static void *emit_thread (void *);
1525 void emit_thread_start ();
1526 void emit_thread_terminate ();
1528 pthread_t _rt_emit_thread;
1529 bool _rt_thread_active;
1531 pthread_mutex_t _rt_emit_mutex;
1532 pthread_cond_t _rt_emit_cond;
1533 bool _rt_emit_pending;
1535 /* Auto Connect Thread */
1536 static void *auto_connect_thread (void *);
1537 void auto_connect_thread_run ();
1538 void auto_connect_thread_start ();
1539 void auto_connect_thread_terminate ();
1541 pthread_t _auto_connect_thread;
1542 gint _ac_thread_active;
1543 pthread_mutex_t _auto_connect_mutex;
1544 pthread_cond_t _auto_connect_cond;
1546 struct AutoConnectRequest {
1548 AutoConnectRequest (boost::shared_ptr <Route> r, bool ci,
1549 const ChanCount& is,
1550 const ChanCount& os,
1551 const ChanCount& io,
1552 const ChanCount& oo)
1553 : route (boost::weak_ptr<Route> (r))
1554 , connect_inputs (ci)
1558 , output_offset (oo)
1561 boost::weak_ptr <Route> route;
1562 bool connect_inputs;
1563 ChanCount input_start;
1564 ChanCount output_start;
1565 ChanCount input_offset;
1566 ChanCount output_offset;
1569 Glib::Threads::Mutex _update_latency_lock;
1571 typedef std::queue<AutoConnectRequest> AutoConnectQueue;
1572 Glib::Threads::Mutex _auto_connect_queue_lock;
1573 AutoConnectQueue _auto_connect_queue;
1574 guint _latency_recompute_pending;
1576 void get_physical_ports (std::vector<std::string>& inputs, std::vector<std::string>& outputs, DataType type,
1577 MidiPortFlags include = MidiPortFlags (0),
1578 MidiPortFlags exclude = MidiPortFlags (0));
1580 void auto_connect (const AutoConnectRequest&);
1581 void queue_latency_recompute ();
1583 /* SessionEventManager interface */
1585 void process_event (SessionEvent*);
1586 void set_next_event ();
1587 void cleanup_event (SessionEvent*,int);
1589 /* MIDI Machine Control */
1592 void spp_continue ();
1595 void mmc_deferred_play (MIDI::MachineControl &);
1596 void mmc_stop (MIDI::MachineControl &);
1597 void mmc_step (MIDI::MachineControl &, int);
1598 void mmc_pause (MIDI::MachineControl &);
1599 void mmc_record_pause (MIDI::MachineControl &);
1600 void mmc_record_strobe (MIDI::MachineControl &);
1601 void mmc_record_exit (MIDI::MachineControl &);
1602 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1603 void mmc_fast_forward (MIDI::MachineControl &);
1604 void mmc_rewind (MIDI::MachineControl &);
1605 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1606 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1607 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1609 struct timeval last_mmc_step;
1612 typedef boost::function<bool()> MidiTimeoutCallback;
1613 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1615 MidiTimeoutList midi_timeouts;
1616 bool mmc_step_timeout ();
1617 void send_immediate_mmc (MIDI::MachineControlCommand);
1619 MIDI::byte mtc_msg[16];
1620 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1621 MIDI::byte midi_msg[16];
1622 double outbound_mtc_timecode_frame;
1623 Timecode::Time transmitting_timecode_time;
1624 int next_quarter_frame_to_send;
1626 double _samples_per_timecode_frame; /* has to be floating point because of drop sample */
1627 samplecnt_t _frames_per_hour;
1628 samplecnt_t _timecode_frames_per_hour;
1630 /* cache the most-recently requested time conversions. This helps when we
1631 * have multiple clocks showing the same time (e.g. the transport sample) */
1632 bool last_timecode_valid;
1633 samplepos_t last_timecode_when;
1634 Timecode::Time last_timecode;
1636 bool _send_timecode_update; ///< Flag to send a full sample (Timecode) MTC message this cycle
1638 int send_midi_time_code_for_cycle (samplepos_t, samplepos_t, pframes_t nframes);
1640 LTCEncoder* ltc_encoder;
1641 ltcsnd_sample_t* ltc_enc_buf;
1643 Timecode::TimecodeFormat ltc_enc_tcformat;
1644 int32_t ltc_buf_off;
1645 int32_t ltc_buf_len;
1648 int32_t ltc_enc_byte;
1649 samplepos_t ltc_enc_pos;
1651 samplepos_t ltc_enc_off;
1653 samplepos_t ltc_prev_cycle;
1655 samplepos_t ltc_timecode_offset;
1656 bool ltc_timecode_negative_offset;
1658 LatencyRange ltc_out_latency;
1660 void ltc_tx_initialize();
1661 void ltc_tx_cleanup();
1662 void ltc_tx_reset();
1663 void ltc_tx_resync_latency();
1664 void ltc_tx_recalculate_position();
1665 void ltc_tx_parse_offset();
1666 void ltc_tx_send_time_code_for_cycle (samplepos_t, samplepos_t, double, double, pframes_t nframes);
1667 PBD::ScopedConnectionList ltc_tx_connections;
1670 void reset_record_status ();
1672 int no_roll (pframes_t nframes);
1673 int fail_roll (pframes_t nframes);
1675 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1676 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1678 MidiControlUI* midi_control_ui;
1680 int start_midi_thread ();
1682 bool should_ignore_transport_request (TransportRequestSource, TransportRequestType) const;
1684 void set_play_loop (bool yn, double speed);
1685 void unset_play_loop ();
1686 void overwrite_some_buffers (Track *);
1687 void flush_all_inserts ();
1688 int micro_locate (samplecnt_t distance);
1690 void do_locate (samplepos_t, bool with_roll, bool with_flush, bool for_loop_enabled, bool force, bool with_mmc);
1691 void force_locate (samplepos_t sample, bool with_roll = false);
1692 void set_transport_speed (double speed, samplepos_t destination_sample, bool abort = false, bool clear_state = false, bool as_default = false);
1693 void realtime_stop (bool abort, bool clear_state);
1694 void realtime_locate ();
1695 void non_realtime_start_scrub ();
1696 void non_realtime_set_speed ();
1697 void non_realtime_locate ();
1698 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1699 void non_realtime_overwrite (int entry_request_count, bool& finished);
1700 void engine_halted ();
1701 void engine_running ();
1702 void xrun_recovery ();
1703 void set_track_loop (bool);
1704 bool select_playhead_priority_target (samplepos_t&);
1705 void follow_playhead_priority ();
1707 /* These are synchronous and so can only be called from within the process
1711 int send_full_time_code (samplepos_t, pframes_t nframes);
1712 void send_song_position_pointer (samplepos_t);
1714 TempoMap *_tempo_map;
1715 void tempo_map_changed (const PBD::PropertyChange&);
1717 /* edit/mix groups */
1719 int load_route_groups (const XMLNode&, int);
1721 std::list<RouteGroup *> _route_groups;
1722 RouteGroup* _all_route_group;
1726 boost::shared_ptr<Graph> _process_graph;
1728 SerializedRCUManager<RouteList> routes;
1730 void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, bool save, PresentationInfo::order_t);
1731 void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t);
1732 bool _adding_routes_in_progress;
1733 bool _reconnecting_routes_in_progress;
1734 bool _route_deletion_in_progress;
1736 uint32_t destructive_index;
1738 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1739 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1740 boost::shared_ptr<Route> XMLRouteFactory_3X (const XMLNode&, int);
1742 void route_processors_changed (RouteProcessorChange);
1744 bool find_route_name (std::string const &, uint32_t& id, std::string& name, bool);
1745 void count_existing_track_channels (ChanCount& in, ChanCount& out);
1746 void auto_connect_route (boost::shared_ptr<Route>, bool, const ChanCount&, const ChanCount&, const ChanCount& io = ChanCount(), const ChanCount& oo = ChanCount());
1747 void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
1749 /* track numbering */
1751 void reassign_track_numbers ();
1752 uint32_t _track_number_decimals;
1754 /* solo/mute/notifications */
1756 void route_listen_changed (PBD::Controllable::GroupControlDisposition, boost::weak_ptr<Route>);
1757 void route_mute_changed ();
1758 void route_solo_changed (bool self_solo_change, PBD::Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route>);
1759 void route_solo_isolated_changed (boost::weak_ptr<Route>);
1761 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1763 void listen_position_changed ();
1764 void solo_control_mode_changed ();
1766 /* REGION MANAGEMENT */
1768 mutable Glib::Threads::Mutex region_lock;
1770 int load_regions (const XMLNode& node);
1771 int load_compounds (const XMLNode& node);
1773 void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
1774 void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
1775 void route_group_property_changed (RouteGroup *);
1779 mutable Glib::Threads::Mutex source_lock;
1783 /* Emited when a new source is added to the session */
1784 PBD::Signal1< void, boost::shared_ptr<Source> > SourceAdded;
1785 PBD::Signal1< void, boost::shared_ptr<Source> > SourceRemoved;
1787 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1789 void foreach_source (boost::function<void( boost::shared_ptr<Source> )> f) {
1790 Glib::Threads::Mutex::Lock ls (source_lock);
1791 for (SourceMap::iterator i = sources.begin(); i != sources.end(); ++i) {
1796 bool playlist_is_active( boost::shared_ptr<Playlist>);
1799 void reset_write_sources (bool mark_write_complete, bool force = false);
1802 int load_sources (const XMLNode& node);
1803 XMLNode& get_sources_as_xml ();
1805 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1809 void remove_playlist (boost::weak_ptr<Playlist>);
1810 void track_playlist_changed (boost::weak_ptr<Track>);
1811 void playlist_region_added (boost::weak_ptr<Region>);
1812 void playlist_ranges_moved (std::list<Evoral::RangeMove<samplepos_t> > const &);
1813 void playlist_regions_extended (std::list<Evoral::Range<samplepos_t> > const &);
1815 /* CURVES and AUTOMATION LISTS */
1816 std::map<PBD::ID, AutomationList*> automation_lists;
1818 /* DEFAULT FADE CURVES */
1820 float default_fade_steepness;
1821 float default_fade_msecs;
1825 boost::shared_ptr<Auditioner> auditioner;
1826 void set_audition (boost::shared_ptr<Region>);
1827 void non_realtime_set_audition ();
1828 boost::shared_ptr<Region> pending_audition_region;
1834 int flatten_one_track (AudioTrack&, samplepos_t start, samplecnt_t cnt);
1836 /* INSERT AND SEND MANAGEMENT */
1838 boost::dynamic_bitset<uint32_t> send_bitset;
1839 boost::dynamic_bitset<uint32_t> aux_send_bitset;
1840 boost::dynamic_bitset<uint32_t> return_bitset;
1841 boost::dynamic_bitset<uint32_t> insert_bitset;
1845 struct space_and_path {
1846 uint32_t blocks; ///< 4kB blocks
1847 bool blocks_unknown; ///< true if blocks is unknown
1852 , blocks_unknown (true)
1856 struct space_and_path_ascending_cmp {
1857 bool operator() (space_and_path a, space_and_path b) {
1858 if (a.blocks_unknown != b.blocks_unknown) {
1859 return !a.blocks_unknown;
1861 return a.blocks > b.blocks;
1865 void setup_raid_path (std::string path);
1867 std::vector<space_and_path> session_dirs;
1868 std::vector<space_and_path>::iterator last_rr_session_dir;
1869 uint32_t _total_free_4k_blocks;
1870 /** If this is true, _total_free_4k_blocks is not definite,
1871 as one or more of the session directories' filesystems
1872 could not report free space.
1874 bool _total_free_4k_blocks_uncertain;
1875 Glib::Threads::Mutex space_lock;
1877 bool no_questions_about_missing_files;
1879 std::string get_best_session_directory_for_new_audio ();
1881 mutable gint _playback_load;
1882 mutable gint _capture_load;
1886 SerializedRCUManager<BundleList> _bundles;
1887 XMLNode* _bundle_xml_node;
1888 int load_bundles (XMLNode const &);
1890 UndoHistory _history;
1891 /** current undo transaction, or 0 */
1892 UndoTransaction* _current_trans;
1893 /** GQuarks to describe the reversible commands that are currently in progress.
1894 * These may be nested, in which case more recently-started commands are toward
1895 * the front of the list.
1897 std::list<GQuark> _current_trans_quarks;
1899 int backend_sync_callback (TransportState, samplepos_t);
1901 void process_rtop (SessionEvent*);
1909 XMLNode& state (bool save_template,
1910 snapshot_t snapshot_type = NormalSave,
1911 bool only_used_assets = false);
1913 XMLNode& get_state ();
1914 int set_state (const XMLNode& node, int version); // not idempotent
1915 XMLNode& get_template ();
1918 typedef std::list<Click*> Clicks;
1921 bool _click_rec_only;
1922 boost::shared_ptr<IO> _click_io;
1923 boost::shared_ptr<Amp> _click_gain;
1925 Sample* click_emphasis_data;
1926 samplecnt_t click_length;
1927 samplecnt_t click_emphasis_length;
1928 mutable Glib::Threads::RWLock click_lock;
1930 static const Sample default_click[];
1931 static const samplecnt_t default_click_length;
1932 static const Sample default_click_emphasis[];
1933 static const samplecnt_t default_click_emphasis_length;
1936 samplepos_t _clicks_cleared;
1937 samplecnt_t _count_in_samples;
1938 void setup_click_sounds (int which);
1939 void setup_click_sounds (Sample**, Sample const *, samplecnt_t*, samplecnt_t, std::string const &);
1940 void clear_clicks ();
1941 void click (samplepos_t start, samplecnt_t nframes);
1942 void run_click (samplepos_t start, samplecnt_t nframes);
1943 void add_click (samplepos_t pos, bool emphasis);
1945 /* range playback */
1947 std::list<AudioRange> current_audio_range;
1949 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1950 void unset_play_range ();
1952 /* temporary hacks to allow selection to be pushed from GUI into backend
1953 Whenever we move the selection object into libardour, these will go away.
1955 Evoral::Range<samplepos_t> _range_selection;
1956 Evoral::Range<samplepos_t> _object_selection;
1958 void unset_preroll_record_trim ();
1960 samplecnt_t _preroll_record_trim_len;
1961 bool _count_in_once;
1966 boost::shared_ptr<Route> _master_out;
1967 boost::shared_ptr<Route> _monitor_out;
1969 void auto_connect_master_bus ();
1971 int find_all_sources (std::string path, std::set<std::string>& result);
1972 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1974 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1975 Glib::Threads::Mutex controllables_lock;
1976 Controllables controllables;
1978 boost::shared_ptr<PBD::Controllable> _solo_cut_control;
1980 void reset_native_file_format();
1981 bool first_file_data_format_reset;
1982 bool first_file_header_format_reset;
1984 void config_changed (std::string, bool);
1986 XMLNode& get_control_protocol_state ();
1988 void set_history_depth (uint32_t depth);
1990 static bool _disable_all_loaded_plugins;
1991 static bool _bypass_all_loaded_plugins;
1993 mutable bool have_looped; ///< Used in ::audible_sample(*)
1995 void update_route_record_state ();
1996 gint _have_rec_enabled_track;
1997 gint _have_rec_disabled_track;
1999 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
2001 /* realtime "apply to set of routes" operations */
2002 template<typename T> SessionEvent*
2003 get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
2004 void (Session::*method) (boost::shared_ptr<RouteList>, T, PBD::Controllable::GroupControlDisposition)) {
2005 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2006 ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
2007 ev->rt_return = after;
2008 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2013 /* specialized version realtime "apply to set of routes" operations */
2014 template<typename T1, typename T2> SessionEvent*
2015 get_rt_event (boost::shared_ptr<RouteList> rl, T1 t1arg, T2 t2arg, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
2016 void (Session::*method) (boost::shared_ptr<RouteList>, T1, T2, PBD::Controllable::GroupControlDisposition)) {
2017 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2018 ev->rt_slot = boost::bind (method, this, rl, t1arg, t2arg, group_override);
2019 ev->rt_return = after;
2020 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2025 /* specialized version realtime "apply to set of controls" operations */
2026 SessionEvent* get_rt_event (boost::shared_ptr<ControlList> cl, double arg, PBD::Controllable::GroupControlDisposition group_override) {
2027 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2028 ev->rt_slot = boost::bind (&Session::rt_set_controls, this, cl, arg, group_override);
2029 ev->rt_return = Session::rt_cleanup;
2030 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2035 void rt_set_controls (boost::shared_ptr<ControlList>, double val, PBD::Controllable::GroupControlDisposition group_override);
2036 void rt_clear_all_solo_state (boost::shared_ptr<RouteList>, bool yn, PBD::Controllable::GroupControlDisposition group_override);
2038 void set_session_range_location (samplepos_t, samplepos_t);
2040 void setup_midi_machine_control ();
2042 void step_edit_status_change (bool);
2043 uint32_t _step_editors;
2045 /** true if timecode transmission by the transport is suspended, otherwise false */
2046 mutable gint _suspend_timecode_transmission;
2048 void update_locations_after_tempo_map_change (const Locations::LocationList &);
2050 void start_time_changed (samplepos_t);
2051 void end_time_changed (samplepos_t);
2053 void set_track_monitor_input_status (bool);
2054 samplepos_t compute_stop_limit () const;
2056 boost::shared_ptr<Speakers> _speakers;
2057 void load_nested_sources (const XMLNode& node);
2059 /** The directed graph of routes that is currently being used for audio processing
2060 and solo/mute computations.
2062 GraphEdges _current_route_graph;
2064 void ensure_route_presentation_info_gap (PresentationInfo::order_t, uint32_t gap_size);
2066 friend class ProcessorChangeBlocker;
2067 gint _ignore_route_processor_changes; /* atomic */
2069 MidiClockTicker* midi_clock;
2071 boost::shared_ptr<IO> _ltc_output;
2073 boost::shared_ptr<RTTaskList> _rt_tasklist;
2075 /* Scene Changing */
2076 SceneChanger* _scene_changer;
2078 /* persistent, non-track related MIDI ports */
2079 MidiPortManager* _midi_ports;
2080 MIDI::MachineControl* _mmc;
2083 void setup_click ();
2084 void setup_click_state (const XMLNode*);
2085 void setup_bundles ();
2087 void save_as_bring_callback (uint32_t, uint32_t, std::string);
2089 static const uint32_t session_end_shift;
2091 std::string _template_state_dir;
2093 VCAManager* _vca_manager;
2095 boost::shared_ptr<Route> get_midi_nth_route_by_id (PresentationInfo::order_t n) const;
2097 std::string created_with;
2099 void midi_track_presentation_info_changed (PBD::PropertyChange const &, boost::weak_ptr<MidiTrack>);
2100 void rewire_selected_midi (boost::shared_ptr<MidiTrack>);
2101 void rewire_midi_selection_ports ();
2102 boost::weak_ptr<MidiTrack> current_midi_target;
2104 StripableList _soloSelection; //the items that are soloe'd during a solo-selection operation; need to unsolo after the roll
2106 CoreSelection* _selection;
2108 bool _global_locate_pending;
2112 } // namespace ARDOUR
2114 #endif /* __ardour_session_h__ */