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__
24 #include "libardour-config.h"
36 #include <boost/dynamic_bitset.hpp>
37 #include <boost/scoped_ptr.hpp>
38 #include <boost/weak_ptr.hpp>
39 #include <boost/utility.hpp>
41 #include <glibmm/threads.h>
45 #include "pbd/error.h"
46 #include "pbd/event_loop.h"
47 #include "pbd/file_archive.h"
49 #include "pbd/reallocpool.h"
50 #include "pbd/statefuldestructible.h"
51 #include "pbd/signals.h"
54 #include "lua/luastate.h"
56 #include "evoral/Range.hpp"
58 #include "midi++/types.h"
59 #include "midi++/mmc.h"
61 #include "temporal/time.h"
63 #include "ardour/ardour.h"
64 #include "ardour/chan_count.h"
65 #include "ardour/delivery.h"
66 #include "ardour/interthread_info.h"
67 #include "ardour/luascripting.h"
68 #include "ardour/location.h"
69 #include "ardour/monitor_processor.h"
70 #include "ardour/presentation_info.h"
71 #include "ardour/rc_configuration.h"
72 #include "ardour/session_configuration.h"
73 #include "ardour/session_event.h"
74 #include "ardour/interpolation.h"
75 #include "ardour/plugin.h"
76 #include "ardour/presentation_info.h"
77 #include "ardour/route.h"
78 #include "ardour/route_graph.h"
84 typedef struct _AEffect AEffect;
108 class AudioFileSource;
113 class AutomationList;
119 class ControllableDescriptor;
127 class MidiClockTicker;
129 class MidiPortManager;
150 class SessionDirectory;
151 class SessionMetadata;
152 class SessionPlaylists;
159 class WindowsVSTPlugin;
161 extern void setup_enum_writer ();
163 class LIBARDOUR_API SessionException: public std::exception {
165 explicit SessionException(const std::string msg) : _message(msg) {}
166 virtual ~SessionException() throw() {}
168 virtual const char* what() const throw() { return _message.c_str(); }
171 std::string _message;
174 /** Ardour Session */
175 class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager
179 PendingDeclickIn = 0x1, ///< pending de-click fade-in for start
180 PendingDeclickOut = 0x2, ///< pending de-click fade-out for stop
181 StopPendingCapture = 0x4,
182 PendingLoopDeclickIn = 0x8, ///< pending de-click fade-in at the start of a loop
183 PendingLoopDeclickOut = 0x10, ///< pending de-click fade-out at the end of a loop
184 PendingLocate = 0x20,
194 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
195 the bus profile can be null if no master out bus is required.
198 Session (AudioEngine&,
199 const std::string& fullpath,
200 const std::string& snapshot_name,
201 BusProfile* bus_profile = 0,
202 std::string mix_template = "");
206 static int get_info_from_path (const std::string& xmlpath, float& sample_rate, SampleFormat& data_format, std::string& program_version);
207 static std::string get_snapshot_from_instant (const std::string& session_dir);
209 /** a monotonic counter used for naming user-visible things uniquely
210 * (curently the sidechain port).
211 * Use sparingly to keep the numbers low, prefer PBD::ID for all
212 * internal, not user-visible IDs */
213 static unsigned int next_name_id ();
215 std::string path() const { return _path; }
216 std::string name() const { return _name; }
217 std::string snap_name() const { return _current_snapshot_name; }
218 std::string raid_path () const;
219 bool path_is_within_session (const std::string&);
221 bool writable() const { return _writable; }
224 bool dirty() const { return _state_of_the_state & Dirty; }
225 void set_deletion_in_progress ();
226 void clear_deletion_in_progress ();
227 bool reconnection_in_progress() const { return _reconnecting_routes_in_progress; }
228 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
229 bool routes_deletion_in_progress() const { return _route_deletion_in_progress; }
230 bool peaks_cleanup_in_progres() const { return _state_of_the_state & PeakCleanup; }
231 bool loading () const { return _state_of_the_state & Loading; }
233 PBD::Signal0<void> DirtyChanged;
235 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
237 static PBD::Signal1<void,std::string> Dialog;
239 PBD::Signal0<void> BatchUpdateStart;
240 PBD::Signal0<void> BatchUpdateEnd;
242 int ensure_subdirs ();
244 std::string automation_dir () const; ///< Automation data
245 std::string analysis_dir () const; ///< Analysis data
246 std::string plugins_dir () const; ///< Plugin state
247 std::string externals_dir () const; ///< Links to external files
249 std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const;
251 bool audio_source_name_is_unique (const std::string& name);
252 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);
253 std::string new_audio_source_path_for_embedded (const std::string& existing_path);
254 std::string new_audio_source_path (const std::string&, uint32_t nchans, uint32_t chan, bool destructive, bool take_required);
255 std::string new_midi_source_path (const std::string&, bool need_source_lock = true);
256 /** create a new track or bus from a template (XML path)
257 * @param how_many how many tracks or busses to create
258 * @param template_path path to xml template file
259 * @param name name (prefix) of the route to create
260 * @param pd Playlist disposition
261 * @return list of newly created routes
263 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);
264 RouteList new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, XMLNode&, const std::string& name, PlaylistDisposition pd = NewPlaylist);
265 std::vector<std::string> get_paths_for_new_sources (bool allow_replacing, const std::string& import_file_path,
266 uint32_t channels, std::vector<std::string> const & smf_track_names);
268 int bring_all_sources_into_session (boost::function<void(uint32_t,uint32_t,std::string)> callback);
270 void process (pframes_t nframes);
272 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
273 BufferSet& get_noinplace_buffers (ChanCount count = ChanCount::ZERO);
274 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
275 BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
276 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
278 bool have_rec_enabled_track () const;
279 bool have_rec_disabled_track () const;
281 bool have_captured() const { return _have_captured; }
283 void refill_all_track_buffers ();
284 Butler* butler() { return _butler; }
285 void butler_transport_work ();
287 void refresh_disk_space ();
289 int load_routes (const XMLNode&, int);
290 boost::shared_ptr<RouteList> get_routes() const {
291 return routes.reader ();
294 boost::shared_ptr<RTTaskList> rt_tasklist () { return _rt_tasklist; }
296 CoreSelection& selection () { return *_selection; }
298 /* because the set of Stripables consists of objects managed
299 * independently, in multiple containers within the Session (or objects
300 * owned by the session), we fill out a list in-place rather than
301 * return a pointer to a copy of the (RCU) managed list, as happens
305 void get_stripables (StripableList&) const;
306 StripableList get_stripables () const;
307 boost::shared_ptr<RouteList> get_tracks() const;
308 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
309 boost::shared_ptr<RouteList> get_routes_with_regions_at (samplepos_t const) const;
311 uint32_t nstripables (bool with_monitor = false) const;
312 uint32_t nroutes() const { return routes.reader()->size(); }
313 uint32_t ntracks () const;
314 uint32_t nbusses () const;
316 boost::shared_ptr<BundleList> bundles () {
317 return _bundles.reader ();
320 void notify_presentation_info_change ();
322 template<class T> void foreach_route (T *obj, void (T::*func)(Route&), bool sort = true);
323 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>), bool sort = true);
324 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg, bool sort = true);
326 static char session_name_is_legal (const std::string&);
327 bool io_name_is_legal (const std::string&) const;
328 boost::shared_ptr<Route> route_by_name (std::string) const;
329 boost::shared_ptr<Route> route_by_id (PBD::ID) const;
330 boost::shared_ptr<Stripable> stripable_by_id (PBD::ID) const;
331 boost::shared_ptr<Stripable> get_remote_nth_stripable (PresentationInfo::order_t n, PresentationInfo::Flag) const;
332 boost::shared_ptr<Route> get_remote_nth_route (PresentationInfo::order_t n) const;
333 boost::shared_ptr<Route> route_by_selected_count (uint32_t cnt) const;
334 void routes_using_input_from (const std::string& str, RouteList& rl);
336 bool route_name_unique (std::string) const;
337 bool route_name_internal (std::string) const;
339 uint32_t track_number_decimals () const {
340 return _track_number_decimals;
343 bool get_record_enabled() const {
344 return (record_status () >= Enabled);
347 RecordState record_status() const {
348 return (RecordState) g_atomic_int_get (&_record_status);
351 bool actively_recording () const {
352 return record_status() == Recording;
355 bool record_enabling_legal () const;
356 void maybe_enable_record (bool rt_context = false);
357 void disable_record (bool rt_context, bool force = false);
358 void step_back_from_record ();
360 void set_all_tracks_record_enabled(bool);
362 void maybe_write_autosave ();
364 /* Emitted when all i/o connections are complete */
366 PBD::Signal0<void> IOConnectionsComplete;
368 /* Timecode status signals */
369 PBD::Signal1<void, bool> MTCSyncStateChanged;
370 PBD::Signal1<void, bool> LTCSyncStateChanged;
372 /* Record status signals */
374 PBD::Signal0<void> RecordStateChanged; /* signals changes in recording state (i.e. are we recording) */
375 /* XXX may 2015: paul says: it isn't clear to me that this has semantics that cannot be inferrred
376 from the previous signal and session state.
378 PBD::Signal0<void> RecordArmStateChanged; /* signals changes in recording arming */
380 /* Emited when session is loaded */
381 PBD::Signal0<void> SessionLoaded;
383 /* Transport mechanism signals */
385 /** Emitted on the following changes in transport state:
386 * - stop (from the butler thread)
387 * - change in whether or not we are looping (from the process thread)
388 * - change in the play range (from the process thread)
389 * - start (from the process thread)
392 PBD::Signal0<void> TransportStateChange;
394 PBD::Signal1<void,samplepos_t> PositionChanged; /* sent after any non-sequential motion */
395 PBD::Signal1<void,samplepos_t> Xrun;
396 PBD::Signal0<void> TransportLooped;
398 /** emitted when a locate has occurred */
399 PBD::Signal0<void> Located;
401 PBD::Signal1<void,RouteList&> RouteAdded;
402 /** Emitted when a property of one of our route groups changes.
403 * The parameter is the RouteGroup that has changed.
405 PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
406 /** Emitted when a route is added to one of our route groups.
407 * First parameter is the RouteGroup, second is the route.
409 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
410 /** Emitted when a route is removed from one of our route groups.
411 * First parameter is the RouteGroup, second is the route.
413 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
415 /* Step Editing status changed */
416 PBD::Signal1<void,bool> StepEditStatusChange;
418 /* Timecode state signals */
419 PBD::Signal0<void> MtcOrLtcInputPortChanged;
421 void queue_event (SessionEvent*);
423 void request_roll_at_and_return (samplepos_t start, samplepos_t return_to);
424 void request_bounded_roll (samplepos_t start, samplepos_t end);
425 void request_stop (bool abort = false, bool clear_state = false);
426 void request_locate (samplepos_t sample, bool with_roll = false);
428 void request_play_loop (bool yn, bool leave_rolling = false);
429 bool get_play_loop () const { return play_loop; }
431 samplepos_t last_transport_start () const { return _last_roll_location; }
433 void goto_start (bool and_roll = false);
434 void use_rf_shuttle_speed ();
435 void allow_auto_play (bool yn);
436 void request_transport_speed (double speed, bool as_default = true);
437 void request_transport_speed_nonzero (double, bool as_default = true);
438 void request_overwrite_buffer (boost::shared_ptr<Route>);
439 void adjust_playback_buffering();
440 void adjust_capture_buffering();
442 bool global_locate_pending() const { return _global_locate_pending; }
443 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
444 bool declick_out_pending() const { return static_cast<bool>(transport_sub_state&(PendingDeclickOut)); }
445 bool transport_locked () const;
449 samplepos_t current_end_sample () const;
450 samplepos_t current_start_sample () const;
451 /** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
452 samplecnt_t sample_rate () const { return _current_sample_rate; }
453 /** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
454 samplecnt_t nominal_sample_rate () const { return _nominal_sample_rate; }
455 samplecnt_t frames_per_hour () const { return _frames_per_hour; }
457 double samples_per_timecode_frame() const { return _samples_per_timecode_frame; }
458 samplecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
460 MIDI::byte get_mtc_timecode_bits() const {
461 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
464 double timecode_frames_per_second() const;
465 bool timecode_drop_frames() const;
469 Locations *locations() { return _locations; }
471 PBD::Signal1<void,Location*> auto_loop_location_changed;
472 PBD::Signal1<void,Location*> auto_punch_location_changed;
473 PBD::Signal0<void> locations_modified;
475 void set_auto_punch_location (Location *);
476 void set_auto_loop_location (Location *);
477 void set_session_extents (samplepos_t start, samplepos_t end);
478 bool end_is_free () const { return _session_range_end_is_free; }
479 void set_end_is_free (bool);
481 pframes_t get_block_size () const { return current_block_size; }
482 samplecnt_t worst_output_latency () const { return _worst_output_latency; }
483 samplecnt_t worst_input_latency () const { return _worst_input_latency; }
484 samplecnt_t worst_route_latency () const { return _worst_route_latency; }
485 samplecnt_t worst_latency_preroll () const;
488 std::string new_parent_folder; /* parent folder where new session folder will be created */
489 std::string new_name; /* name of newly saved session */
490 bool switch_to; /* true if we should be working on newly saved session after save-as; false otherwise */
491 bool include_media; /* true if the newly saved session should contain references to media */
492 bool copy_media; /* true if media files (audio, media, etc) should be copied into newly saved session; false otherwise */
493 bool copy_external; /* true if external media should be consolidated into the newly saved session; false otherwise */
495 std::string final_session_folder_name; /* filled in by * Session::save_as(), provides full path to newly saved session */
497 /* emitted as we make progress. 3 arguments passed to signal
500 * 1: percentage complete measured as a fraction (0-1.0) of
501 * total data copying done.
502 * 2: number of files copied so far
503 * 3: total number of files to copy
505 * Handler should return true for save-as to continue, or false
506 * to stop (and remove all evidence of partial save-as).
508 PBD::Signal3<bool,float,int64_t,int64_t> Progress;
510 /* if save_as() returns non-zero, this string will indicate the reason why.
512 std::string failure_message;
515 int save_as (SaveAs&);
518 * @param snapshot_name name of the session (use an empty string for the current name)
519 * @param pending save a 'recovery', not full state (default: false)
520 * @param switch_to_snapshot switch to given snapshot after saving (default: false)
521 * @param template_only save a session template (default: false)
522 * @return zero on success
524 int save_state (std::string snapshot_name,
525 bool pending = false,
526 bool switch_to_snapshot = false,
527 bool template_only = false,
528 bool for_archive = false,
529 bool only_used_assets = false);
537 int archive_session (const std::string&, const std::string&,
538 ArchiveEncode compress_audio = FLAC_16BIT,
539 PBD::FileArchive::CompressionLevel compression_level = PBD::FileArchive::CompressGood,
540 bool only_used_sources = false,
543 int restore_state (std::string snapshot_name);
544 int save_template (const std::string& template_name, const std::string& description = "", bool replace_existing = false);
545 int save_history (std::string snapshot_name = "");
546 int restore_history (std::string snapshot_name);
547 void remove_state (std::string snapshot_name);
548 void rename_state (std::string old_name, std::string new_name);
549 void remove_pending_capture_state ();
550 int rename (const std::string&);
551 bool get_nsm_state () const { return _under_nsm_control; }
552 void set_nsm_state (bool state) { _under_nsm_control = state; }
553 bool save_default_options ();
555 PBD::Signal1<void,std::string> StateSaved;
556 PBD::Signal0<void> StateReady;
558 /* emitted when session needs to be saved due to some internal
559 * event or condition (i.e. not in response to a user request).
561 * Only one object should
562 * connect to this signal and take responsibility.
564 * Argument is the snapshot name to use when saving.
566 PBD::Signal1<void,std::string> SaveSessionRequested;
568 /* emitted during a session save to allow other entities to add state, via
569 * extra XML, to the session state
571 PBD::Signal0<void> SessionSaveUnderway;
573 std::vector<std::string> possible_states() const;
574 static std::vector<std::string> possible_states (std::string path);
576 bool export_track_state (boost::shared_ptr<RouteList> rl, const std::string& path);
578 /// The instant xml file is written to the session directory
579 void add_instant_xml (XMLNode&, bool write_to_config = true);
580 XMLNode* instant_xml (const std::string& str);
582 enum StateOfTheState {
587 InitialConnecting = 0x8,
593 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
595 class StateProtector {
597 StateProtector (Session* s) : _session (s) {
598 g_atomic_int_inc (&s->_suspend_save);
601 if (g_atomic_int_dec_and_test (&_session->_suspend_save)) {
602 while (_session->_save_queued) {
603 _session->_save_queued = false;
604 _session->save_state ("");
612 class ProcessorChangeBlocker {
614 ProcessorChangeBlocker (Session* s, bool rc = true)
616 , _reconfigure_on_delete (rc)
618 g_atomic_int_inc (&s->_ignore_route_processor_changes);
620 ~ProcessorChangeBlocker () {
621 if (g_atomic_int_dec_and_test (&_session->_ignore_route_processor_changes)) {
622 if (_reconfigure_on_delete) {
623 _session->route_processors_changed (RouteProcessorChange ());
629 bool _reconfigure_on_delete;
632 RouteGroup* new_route_group (const std::string&);
633 void add_route_group (RouteGroup *);
634 void remove_route_group (RouteGroup* rg) { if (rg) remove_route_group (*rg); }
635 void remove_route_group (RouteGroup&);
636 void reorder_route_groups (std::list<RouteGroup*>);
638 RouteGroup* route_group_by_name (std::string);
639 RouteGroup& all_route_group() const;
641 PBD::Signal1<void,RouteGroup*> route_group_added;
642 PBD::Signal0<void> route_group_removed;
643 PBD::Signal0<void> route_groups_reordered;
645 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
646 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
651 std::list<RouteGroup*> const & route_groups () const {
652 return _route_groups;
655 /* fundamental operations. duh. */
657 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
660 RouteGroup* route_group,
662 std::string name_template,
663 PresentationInfo::order_t order,
664 TrackMode mode = Normal
667 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
668 const ChanCount& input, const ChanCount& output, bool strict_io,
669 boost::shared_ptr<PluginInfo> instrument,
670 Plugin::PresetRecord* pset,
671 RouteGroup* route_group, uint32_t how_many, std::string name_template,
672 PresentationInfo::order_t,
673 TrackMode mode = Normal
676 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);
677 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);
679 void remove_routes (boost::shared_ptr<RouteList>);
680 void remove_route (boost::shared_ptr<Route>);
682 void resort_routes ();
683 void resort_routes_using (boost::shared_ptr<RouteList>);
685 AudioEngine & engine() { return _engine; }
686 AudioEngine const & engine () const { return _engine; }
688 static std::string default_track_name_pattern (DataType);
692 samplepos_t transport_sample () const { return _transport_sample; }
693 samplepos_t record_location () const { return _last_record_location; }
694 samplepos_t audible_sample (bool* latent_locate = NULL) const;
695 samplepos_t requested_return_sample() const { return _requested_return_sample; }
696 void set_requested_return_sample(samplepos_t return_to);
698 samplecnt_t remaining_latency_preroll () const { return _remaining_latency_preroll; }
712 void sync_time_vars();
714 void bbt_time (samplepos_t when, Timecode::BBT_Time&);
715 void timecode_to_sample(Timecode::Time& timecode, samplepos_t& sample, bool use_offset, bool use_subframes) const;
716 void sample_to_timecode(samplepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
717 void timecode_time (Timecode::Time &);
718 void timecode_time (samplepos_t when, Timecode::Time&);
719 void timecode_time_subframes (samplepos_t when, Timecode::Time&);
721 void timecode_duration (samplecnt_t, Timecode::Time&) const;
722 void timecode_duration_string (char *, size_t len, samplecnt_t) const;
724 samplecnt_t convert_to_samples (AnyTime const & position);
725 samplecnt_t any_duration_to_samples (samplepos_t position, AnyTime const & duration);
727 static PBD::Signal1<void, samplepos_t> StartTimeChanged;
728 static PBD::Signal1<void, samplepos_t> EndTimeChanged;
730 void request_sync_source (Slave*);
731 bool synced_to_engine() const { return _slave && config.get_external_sync() && Config->get_sync_source() == Engine; }
732 bool synced_to_mtc () const { return config.get_external_sync() && Config->get_sync_source() == MTC && g_atomic_int_get (const_cast<gint*>(&_mtc_active)); }
733 bool synced_to_ltc () const { return config.get_external_sync() && Config->get_sync_source() == LTC && g_atomic_int_get (const_cast<gint*>(&_ltc_active)); }
735 double engine_speed() const { return _engine_speed; }
736 double actual_speed() const {
737 if (_transport_speed > 0) return _engine_speed;
738 if (_transport_speed < 0) return - _engine_speed;
741 double transport_speed() const { return _count_in_samples > 0 ? 0. : _transport_speed; }
742 bool transport_stopped() const { return _transport_speed == 0.0; }
743 bool transport_rolling() const { return _transport_speed != 0.0 && _count_in_samples == 0 && _remaining_latency_preroll == 0; }
745 bool silent () { return _silent; }
747 TempoMap& tempo_map() { return *_tempo_map; }
748 const TempoMap& tempo_map() const { return *_tempo_map; }
750 unsigned int get_xrun_count () const {return _xrun_count; }
751 void reset_xrun_count () {_xrun_count = 0; }
755 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
757 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
758 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
759 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
761 /* source management */
763 void import_files (ImportStatus&);
764 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
765 std::string build_tmp_convert_name (std::string file);
767 boost::shared_ptr<ExportHandler> get_export_handler ();
768 boost::shared_ptr<ExportStatus> get_export_status ();
770 int start_audio_export (samplepos_t position, bool realtime = false, bool region_export = false);
772 PBD::Signal1<int, samplecnt_t> ProcessExport;
773 static PBD::Signal2<void,std::string, std::string> Exported;
775 void add_source (boost::shared_ptr<Source>);
776 void remove_source (boost::weak_ptr<Source>);
778 void cleanup_regions();
779 bool can_cleanup_peakfiles () const;
780 int cleanup_peakfiles ();
781 int cleanup_sources (CleanupReport&);
782 int cleanup_trash_sources (CleanupReport&);
784 int destroy_sources (std::list<boost::shared_ptr<Source> >);
786 int remove_last_capture ();
788 /** handlers should return 0 for "everything OK", and any other value for
789 * "cannot setup audioengine".
791 static PBD::Signal1<int,uint32_t> AudioEngineSetupRequired;
793 /** handlers should return -1 for "stop cleanup",
794 0 for "yes, delete this playlist",
795 1 for "no, don't delete this playlist".
797 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
799 /** handlers should return 0 for "ignore the rate mismatch",
800 !0 for "do not use this session"
802 static PBD::Signal2<int, samplecnt_t, samplecnt_t> AskAboutSampleRateMismatch;
804 /** non interactive message */
805 static PBD::Signal2<void, samplecnt_t, samplecnt_t> NotifyAboutSampleRateMismatch;
807 /** handlers should return !0 for use pending state, 0 for ignore it.
809 static PBD::Signal0<int> AskAboutPendingState;
811 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
812 size_t, std::string const &, uint32_t, bool destructive);
814 boost::shared_ptr<MidiSource> create_midi_source_for_session (std::string const &);
815 boost::shared_ptr<MidiSource> create_midi_source_by_stealing_name (boost::shared_ptr<Track>);
817 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
818 boost::shared_ptr<AudioFileSource> audio_source_by_path_and_channel (const std::string&, uint16_t) const;
819 boost::shared_ptr<MidiSource> midi_source_by_path (const std::string&, bool need_source_lock) const;
820 uint32_t count_sources_by_origin (const std::string&);
822 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
824 /* Curves and AutomationLists (TODO when they go away) */
825 void add_automation_list(AutomationList*);
829 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
830 void audition_playlist ();
831 void audition_region (boost::shared_ptr<Region>);
832 void cancel_audition ();
833 bool is_auditioning () const;
835 PBD::Signal1<void,bool> AuditionActive;
838 void register_lua_function (const std::string&, const std::string&, const LuaScriptParamList&);
839 void unregister_lua_function (const std::string& name);
840 std::vector<std::string> registered_lua_functions ();
841 uint32_t registered_lua_function_count () const { return _n_lua_scripts; }
842 void scripts_changed (); // called from lua, updates _n_lua_scripts
844 PBD::Signal0<void> LuaScriptsChanged;
846 /* flattening stuff */
848 boost::shared_ptr<Region> write_one_track (Track&, samplepos_t start, samplepos_t end,
849 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
850 boost::shared_ptr<Processor> endpoint,
851 bool include_endpoint, bool for_export, bool for_freeze);
852 int freeze_all (InterThreadInfo&);
854 /* session-wide solo/mute/rec-enable */
857 std::vector<boost::weak_ptr<AutomationControl> > cancel_all_mute ();
859 bool soloing() const { return _non_soloed_outs_muted; }
860 bool listening() const { return _listen_cnt > 0; }
861 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
862 void cancel_all_solo ();
864 bool solo_selection_active();
865 void solo_selection( StripableList&, bool );
867 static const SessionEvent::RTeventCallback rt_cleanup;
869 void clear_all_solo_state (boost::shared_ptr<RouteList>);
871 /* Control-based methods */
873 void set_controls (boost::shared_ptr<ControlList>, double val, PBD::Controllable::GroupControlDisposition);
874 void set_control (boost::shared_ptr<AutomationControl>, double val, PBD::Controllable::GroupControlDisposition);
876 void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others = false);
878 PBD::Signal1<void,bool> SoloActive;
879 PBD::Signal0<void> SoloChanged;
880 PBD::Signal0<void> MuteChanged;
881 PBD::Signal0<void> IsolatedChanged;
882 PBD::Signal0<void> MonitorChanged;
884 PBD::Signal0<void> session_routes_reconnected;
886 /* monitor/master out */
887 int add_master_bus (ChanCount const&);
889 void add_monitor_section ();
890 void reset_monitor_section ();
891 void remove_monitor_section ();
892 bool monitor_active() const { return (_monitor_out && _monitor_out->monitor_control () && _monitor_out->monitor_control ()->monitor_active()); }
894 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
895 boost::shared_ptr<Route> master_out() const { return _master_out; }
897 PresentationInfo::order_t master_order_key () const { return _master_out ? _master_out->presentation_info ().order () : -1; }
898 bool ensure_stripable_sort_order ();
900 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
901 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
902 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
903 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
904 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
905 void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
906 void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
908 static void set_disable_all_loaded_plugins (bool yn) {
909 _disable_all_loaded_plugins = yn;
911 static bool get_disable_all_loaded_plugins() {
912 return _disable_all_loaded_plugins;
914 static void set_bypass_all_loaded_plugins (bool yn) {
915 _bypass_all_loaded_plugins = yn;
917 static bool get_bypass_all_loaded_plugins() {
918 return _bypass_all_loaded_plugins;
921 uint32_t next_send_id();
922 uint32_t next_aux_send_id();
923 uint32_t next_return_id();
924 uint32_t next_insert_id();
925 void mark_send_id (uint32_t);
926 void mark_aux_send_id (uint32_t);
927 void mark_return_id (uint32_t);
928 void mark_insert_id (uint32_t);
929 void unmark_send_id (uint32_t);
930 void unmark_aux_send_id (uint32_t);
931 void unmark_return_id (uint32_t);
932 void unmark_insert_id (uint32_t);
934 /* s/w "RAID" management */
936 boost::optional<samplecnt_t> available_capture_duration();
940 void add_bundle (boost::shared_ptr<Bundle>, bool emit_signal = true);
941 void remove_bundle (boost::shared_ptr<Bundle>);
942 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
944 PBD::Signal0<void> BundleAddedOrRemoved;
948 /* History (for editors, mixers, UIs etc.) */
950 /** Undo some transactions.
951 * @param n Number of transactions to undo.
953 void undo (uint32_t n);
954 /** Redo some transactions.
955 * @param n Number of transactions to undo.
957 void redo (uint32_t n);
959 UndoHistory& history() { return _history; }
961 uint32_t undo_depth() const { return _history.undo_depth(); }
962 uint32_t redo_depth() const { return _history.redo_depth(); }
963 std::string next_undo() const { return _history.next_undo(); }
964 std::string next_redo() const { return _history.next_redo(); }
966 /** begin collecting undo information
968 * This call must always be followed by either
969 * begin_reversible_command() or commit_reversible_command()
971 * @param cmd_name human readable name for the undo operation
973 void begin_reversible_command (const std::string& cmd_name);
974 void begin_reversible_command (GQuark);
975 /** abort an open undo command
976 * This must only be called after begin_reversible_command ()
978 void abort_reversible_command ();
979 /** finalize an undo command and commit pending transactions
981 * This must only be called after begin_reversible_command ()
982 * @param cmd (additional) command to add
984 void commit_reversible_command (Command* cmd = 0);
986 void add_command (Command *const cmd);
988 /** create an StatefulDiffCommand from the given object and add it to the stack.
990 * This function must only be called after begin_reversible_command.
991 * Failing to do so may lead to a crash.
993 * @param sfd the object to diff
994 * @returns the allocated StatefulDiffCommand (already added via add_command)
996 PBD::StatefulDiffCommand* add_stateful_diff_command (boost::shared_ptr<PBD::StatefulDestructible> sfd);
998 /** @return The list of operations that are currently in progress */
999 std::list<GQuark> const & current_operations () {
1000 return _current_trans_quarks;
1003 bool operation_in_progress (GQuark) const;
1005 void add_commands (std::vector<Command*> const & cmds);
1007 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
1009 // these commands are implemented in libs/ardour/session_command.cc
1010 Command* memento_command_factory(XMLNode* n);
1011 Command* stateful_diff_command_factory (XMLNode *);
1012 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
1016 boost::shared_ptr<IO> click_io() { return _click_io; }
1017 boost::shared_ptr<Amp> click_gain() { return _click_gain; }
1019 /* disk, buffer loads */
1021 uint32_t playback_load ();
1022 uint32_t capture_load ();
1026 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
1027 void request_cancel_play_range ();
1028 bool get_play_range () const { return _play_range; }
1030 void maybe_update_session_range (samplepos_t, samplepos_t);
1033 samplecnt_t preroll_samples (samplepos_t) const;
1035 void request_preroll_record_trim (samplepos_t start, samplecnt_t preroll);
1036 void request_count_in_record ();
1038 samplecnt_t preroll_record_trim_len () const { return _preroll_record_trim_len; }
1040 /* temporary hacks to allow selection to be pushed from GUI into backend.
1041 Whenever we move the selection object into libardour, these will go away.
1043 void set_range_selection (samplepos_t start, samplepos_t end);
1044 void set_object_selection (samplepos_t start, samplepos_t end);
1045 void clear_range_selection ();
1046 void clear_object_selection ();
1048 /* buffers for gain and pan */
1050 gain_t* gain_automation_buffer () const;
1051 gain_t* trim_automation_buffer () const;
1052 gain_t* send_gain_automation_buffer () const;
1053 gain_t* scratch_automation_buffer () const;
1054 pan_t** pan_automation_buffer () const;
1056 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
1060 static int vst_current_loading_id;
1061 static const char* vst_can_do_strings[];
1062 static const int vst_can_do_string_count;
1064 static intptr_t vst_callback (
1073 static PBD::Signal0<void> SendFeedback;
1077 boost::shared_ptr<Speakers> get_speakers ();
1081 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
1083 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
1084 boost::shared_ptr<AutomationControl> automation_control_by_id (const PBD::ID&);
1085 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const ARDOUR::ControllableDescriptor&);
1087 void add_controllable (boost::shared_ptr<PBD::Controllable>);
1088 void remove_controllable (PBD::Controllable*);
1090 boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
1092 SessionConfiguration config;
1094 SessionConfiguration* cfg () { return &config; }
1096 bool exporting () const {
1100 bool bounce_processing() const {
1101 return _bounce_processing_active;
1104 /* this is a private enum, but setup_enum_writer() needs it,
1105 and i can't find a way to give that function
1106 friend access. sigh.
1109 enum PostTransportWork {
1110 PostTransportStop = 0x1,
1111 PostTransportDuration = 0x2,
1112 PostTransportLocate = 0x4,
1113 PostTransportRoll = 0x8,
1114 PostTransportAbort = 0x10,
1115 PostTransportOverWrite = 0x20,
1116 PostTransportSpeed = 0x40,
1117 PostTransportAudition = 0x80,
1118 PostTransportReverse = 0x100,
1119 PostTransportInputChange = 0x200,
1120 PostTransportCurveRealloc = 0x400,
1121 PostTransportClearSubstate = 0x800,
1122 PostTransportAdjustPlaybackBuffering = 0x1000,
1123 PostTransportAdjustCaptureBuffering = 0x2000
1132 SlaveState slave_state() const { return _slave_state; }
1133 Slave* slave() const { return _slave; }
1135 boost::shared_ptr<SessionPlaylists> playlists;
1137 void send_mmc_locate (samplepos_t);
1138 void queue_full_time_code () { _send_timecode_update = true; }
1139 void queue_song_position_pointer () { /* currently does nothing */ }
1141 bool step_editing() const { return (_step_editors > 0); }
1143 void request_suspend_timecode_transmission ();
1144 void request_resume_timecode_transmission ();
1145 bool timecode_transmission_suspended () const;
1147 std::vector<std::string> source_search_path(DataType) const;
1148 void ensure_search_path_includes (const std::string& path, DataType type);
1149 void remove_dir_from_search_path (const std::string& path, DataType type);
1151 std::list<std::string> unknown_processors () const;
1153 /** Emitted when a feedback cycle has been detected within Ardour's signal
1154 processing path. Until it is fixed (by the user) some (unspecified)
1155 routes will not be run.
1157 static PBD::Signal0<void> FeedbackDetected;
1159 /** Emitted when a graph sort has successfully completed, which means
1160 that it has no feedback cycles.
1162 static PBD::Signal0<void> SuccessfulGraphSort;
1164 /* handlers can return an integer value:
1165 0: config.set_audio_search_path() or config.set_midi_search_path() was used
1166 to modify the search path and we should try to find it again.
1167 1: quit entire session load
1168 2: as 0, but don't ask about other missing files
1169 3: don't ask about other missing files, and just mark this one missing
1170 -1: just mark this one missing
1171 any other value: as -1
1173 static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
1175 void set_missing_file_replacement (const std::string& mfr) {
1176 _missing_file_replacement = mfr;
1179 /** Emitted when the session wants Ardour to quit */
1180 static PBD::Signal0<void> Quit;
1182 /** Emitted when Ardour is asked to load a session in an older session
1183 * format, and makes a backup copy.
1185 static PBD::Signal2<void,std::string,std::string> VersionMismatch;
1187 SceneChanger* scene_changer() const { return _scene_changer; }
1189 /* asynchronous MIDI control ports */
1191 boost::shared_ptr<Port> midi_input_port () const;
1192 boost::shared_ptr<Port> midi_output_port () const;
1193 boost::shared_ptr<Port> mmc_output_port () const;
1194 boost::shared_ptr<Port> mmc_input_port () const;
1195 boost::shared_ptr<Port> scene_input_port () const;
1196 boost::shared_ptr<Port> scene_output_port () const;
1198 /* synchronous MIDI ports used for synchronization */
1200 boost::shared_ptr<MidiPort> midi_clock_output_port () const;
1201 boost::shared_ptr<MidiPort> midi_clock_input_port () const;
1202 boost::shared_ptr<MidiPort> mtc_output_port () const;
1203 boost::shared_ptr<MidiPort> mtc_input_port () const;
1204 boost::shared_ptr<Port> ltc_input_port() const;
1205 boost::shared_ptr<Port> ltc_output_port() const;
1207 boost::shared_ptr<IO> ltc_input_io() { return _ltc_input; }
1208 boost::shared_ptr<IO> ltc_output_io() { return _ltc_output; }
1210 MIDI::MachineControl& mmc() { return *_mmc; }
1212 void reconnect_midi_scene_ports (bool);
1213 void reconnect_mtc_ports ();
1214 void reconnect_mmc_ports (bool);
1216 void reconnect_ltc_input ();
1217 void reconnect_ltc_output ();
1219 VCAManager& vca_manager() { return *_vca_manager; }
1220 VCAManager* vca_manager_ptr() { return _vca_manager; }
1222 void auto_connect_thread_wakeup ();
1226 friend class AudioEngine;
1227 void set_block_size (pframes_t nframes);
1228 void set_sample_rate (samplecnt_t nframes);
1229 #ifdef USE_TRACKS_CODE_FEATURES
1230 void reconnect_existing_routes (bool withLock, bool reconnect_master = true, bool reconnect_inputs = true, bool reconnect_outputs = true);
1234 void schedule_curve_reallocation ();
1235 void update_latency_compensation (bool force = false);
1238 int create (const std::string& mix_template, BusProfile*);
1241 static guint _name_id_counter;
1242 static void init_name_id_counter (guint n);
1243 static unsigned int name_id_counter ();
1245 /* stuff used in process() should be close together to
1249 typedef void (Session::*process_function_type)(pframes_t);
1251 AudioEngine& _engine;
1252 mutable gint processing_prohibited;
1253 process_function_type process_function;
1254 process_function_type last_process_function;
1255 bool _bounce_processing_active;
1256 bool waiting_for_sync_offset;
1257 samplecnt_t _base_sample_rate; // sample-rate of the session at creation time, "native" SR
1258 samplecnt_t _nominal_sample_rate; // overridden by audioengine setting
1259 samplecnt_t _current_sample_rate; // this includes video pullup offset
1260 int transport_sub_state;
1261 mutable gint _record_status;
1262 samplepos_t _transport_sample;
1264 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
1265 bool _session_range_end_is_free;
1268 samplecnt_t _remaining_latency_preroll;
1270 // varispeed playback
1271 double _engine_speed;
1272 double _transport_speed;
1273 double _default_transport_speed;
1274 double _last_transport_speed;
1275 double _signalled_varispeed;
1276 double _target_transport_speed;
1277 CubicInterpolation interpolation;
1279 bool auto_play_legal;
1280 samplepos_t _last_slave_transport_sample;
1281 samplepos_t _requested_return_sample;
1282 pframes_t current_block_size;
1283 samplecnt_t _worst_output_latency;
1284 samplecnt_t _worst_input_latency;
1285 samplecnt_t _worst_route_latency;
1286 uint32_t _send_latency_changes;
1287 bool _have_captured;
1288 bool _non_soloed_outs_muted;
1290 uint32_t _listen_cnt;
1291 uint32_t _solo_isolated_cnt;
1294 bool _under_nsm_control;
1295 unsigned int _xrun_count;
1297 std::string _missing_file_replacement;
1299 void mtc_status_changed (bool);
1300 PBD::ScopedConnection mtc_status_connection;
1301 void ltc_status_changed (bool);
1302 PBD::ScopedConnection ltc_status_connection;
1304 void initialize_latencies ();
1305 void update_latency (bool playback);
1306 bool update_route_latency (bool reverse, bool apply_to_delayline);
1308 void set_worst_io_latencies ();
1309 void set_worst_output_latency ();
1310 void set_worst_input_latency ();
1312 void send_latency_compensation_change ();
1313 void set_worst_io_latencies_x (IOChange, void *);
1315 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
1317 void process_scrub (pframes_t);
1318 void process_without_events (pframes_t);
1319 void process_with_events (pframes_t);
1320 void process_audition (pframes_t);
1321 void process_export (pframes_t);
1322 void process_export_fw (pframes_t);
1324 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1325 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1326 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1328 static const samplecnt_t bounce_chunk_size;
1330 /* slave tracking */
1332 static const int delta_accumulator_size = 25;
1333 int delta_accumulator_cnt;
1334 int32_t delta_accumulator[delta_accumulator_size];
1335 int32_t average_slave_delta;
1337 bool have_first_delta_accumulator;
1339 SlaveState _slave_state;
1342 samplepos_t slave_wait_end;
1344 void reset_slave_state ();
1345 bool follow_slave (pframes_t);
1346 void calculate_moving_average_of_slave_delta (int dir, samplecnt_t this_delta);
1347 void track_slave_state (float slave_speed, samplepos_t slave_transport_sample, samplecnt_t this_delta);
1349 void switch_to_sync_source (SyncSource); /* !RT context */
1350 void drop_sync_source (); /* !RT context */
1351 void use_sync_source (Slave*); /* RT context */
1353 bool post_export_sync;
1354 samplepos_t post_export_position;
1357 bool _export_rolling;
1358 bool _realtime_export;
1359 bool _region_export;
1360 samplepos_t _export_preroll;
1362 boost::shared_ptr<ExportHandler> export_handler;
1363 boost::shared_ptr<ExportStatus> export_status;
1366 int stop_audio_export ();
1367 void finalize_audio_export ();
1368 void finalize_export_internal (bool stop_freewheel);
1369 bool _pre_export_mmc_enabled;
1371 PBD::ScopedConnection export_freewheel_connection;
1373 void get_track_statistics ();
1374 int process_routes (pframes_t, bool& need_butler);
1375 int silent_process_routes (pframes_t, bool& need_butler);
1377 /** @return 1 if there is a pending declick fade-in,
1378 -1 if there is a pending declick fade-out,
1379 0 if there is no pending declick.
1381 int get_transport_declick_required () {
1382 if (transport_sub_state & PendingDeclickIn) {
1383 transport_sub_state &= ~PendingDeclickIn;
1385 } else if (transport_sub_state & PendingDeclickOut) {
1386 /* XXX: not entirely sure why we don't clear this */
1388 } else if (transport_sub_state & PendingLoopDeclickOut) {
1389 /* Return the declick out first ... */
1390 transport_sub_state &= ~PendingLoopDeclickOut;
1392 } else if (transport_sub_state & PendingLoopDeclickIn) {
1393 /* ... then the declick in on the next call */
1394 transport_sub_state &= ~PendingLoopDeclickIn;
1401 bool maybe_stop (samplepos_t limit);
1402 bool maybe_sync_start (pframes_t &);
1404 void check_declick_out ();
1410 /** Number of process samples since the last MTC output (when sending MTC); used to
1411 * know when to send full MTC messages every so often.
1413 pframes_t _pframes_since_last_mtc;
1416 samplepos_t last_loopend;
1418 boost::scoped_ptr<SessionDirectory> _session_dir;
1421 void graph_reordered ();
1423 /** current snapshot name, without the .ardour suffix */
1424 void set_snapshot_name (const std::string &);
1425 void save_snapshot_name (const std::string &);
1426 std::string _current_snapshot_name;
1428 XMLTree* state_tree;
1429 bool state_was_pending;
1430 StateOfTheState _state_of_the_state;
1432 friend class StateProtector;
1433 gint _suspend_save; /* atomic */
1434 volatile bool _save_queued;
1435 Glib::Threads::Mutex save_state_lock;
1436 Glib::Threads::Mutex save_source_lock;
1437 Glib::Threads::Mutex peak_cleanup_lock;
1439 int load_options (const XMLNode&);
1440 int load_state (std::string snapshot_name);
1441 static int parse_stateful_loading_version (const std::string&);
1443 samplepos_t _last_roll_location;
1444 /** the session sample time at which we last rolled, located, or changed transport direction */
1445 samplepos_t _last_roll_or_reversal_location;
1446 samplepos_t _last_record_location;
1448 bool pending_locate_roll;
1449 samplepos_t pending_locate_sample;
1450 bool pending_locate_flush;
1452 bool pending_auto_loop;
1454 PBD::ReallocPool _mempool;
1456 Glib::Threads::Mutex lua_lock;
1457 luabridge::LuaRef * _lua_run;
1458 luabridge::LuaRef * _lua_add;
1459 luabridge::LuaRef * _lua_del;
1460 luabridge::LuaRef * _lua_list;
1461 luabridge::LuaRef * _lua_load;
1462 luabridge::LuaRef * _lua_save;
1463 luabridge::LuaRef * _lua_cleanup;
1464 uint32_t _n_lua_scripts;
1467 void try_run_lua (pframes_t);
1471 static const PostTransportWork ProcessCannotProceedMask =
1473 PostTransportInputChange|
1474 PostTransportReverse|
1475 PostTransportCurveRealloc|
1476 PostTransportAudition|
1478 PostTransportClearSubstate);
1480 gint _post_transport_work; /* accessed only atomic ops */
1481 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<gint*>(&_post_transport_work)); }
1482 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1483 void add_post_transport_work (PostTransportWork ptw);
1485 void schedule_playback_buffering_adjustment ();
1486 void schedule_capture_buffering_adjustment ();
1488 uint32_t cumulative_rf_motion;
1491 void set_rf_speed (float speed);
1492 void reset_rf_scale (samplecnt_t samples_moved);
1494 Locations* _locations;
1495 void location_added (Location*);
1496 void location_removed (Location*);
1497 void locations_changed ();
1498 void _locations_changed (const Locations::LocationList&);
1500 void update_skips (Location*, bool consolidate);
1501 void update_marks (Location* loc);
1502 void consolidate_skips (Location*);
1503 void sync_locations_to_skips ();
1504 void _sync_locations_to_skips ();
1506 PBD::ScopedConnectionList skip_update_connections;
1507 bool _ignore_skips_updates;
1509 PBD::ScopedConnectionList punch_connections;
1510 void auto_punch_start_changed (Location *);
1511 void auto_punch_end_changed (Location *);
1512 void auto_punch_changed (Location *);
1514 PBD::ScopedConnectionList loop_connections;
1515 void auto_loop_changed (Location *);
1516 void auto_loop_declick_range (Location *, samplepos_t &, samplepos_t &);
1518 int ensure_engine (uint32_t desired_sample_rate, bool);
1519 void pre_engine_init (std::string path);
1520 int post_engine_init ();
1521 int immediately_post_engine ();
1522 void remove_empty_sounds ();
1524 void session_loaded ();
1526 void setup_midi_control ();
1527 int midi_read (MIDI::Port *);
1529 void enable_record ();
1531 void increment_transport_position (samplecnt_t val) {
1532 if (max_samplepos - val < _transport_sample) {
1533 _transport_sample = max_samplepos;
1535 _transport_sample += val;
1539 void decrement_transport_position (samplecnt_t val) {
1540 if (val < _transport_sample) {
1541 _transport_sample -= val;
1543 _transport_sample = 0;
1547 void post_transport_motion ();
1548 static void *session_loader_thread (void *arg);
1552 /* Signal Forwarding */
1553 void emit_route_signals ();
1554 void emit_thread_run ();
1555 static void *emit_thread (void *);
1556 void emit_thread_start ();
1557 void emit_thread_terminate ();
1559 pthread_t _rt_emit_thread;
1560 bool _rt_thread_active;
1562 pthread_mutex_t _rt_emit_mutex;
1563 pthread_cond_t _rt_emit_cond;
1564 bool _rt_emit_pending;
1566 /* Auto Connect Thread */
1567 static void *auto_connect_thread (void *);
1568 void auto_connect_thread_run ();
1569 void auto_connect_thread_start ();
1570 void auto_connect_thread_terminate ();
1572 pthread_t _auto_connect_thread;
1573 gint _ac_thread_active;
1574 pthread_mutex_t _auto_connect_mutex;
1575 pthread_cond_t _auto_connect_cond;
1577 struct AutoConnectRequest {
1579 AutoConnectRequest (boost::shared_ptr <Route> r, bool ci,
1580 const ChanCount& is,
1581 const ChanCount& os,
1582 const ChanCount& io,
1583 const ChanCount& oo)
1584 : route (boost::weak_ptr<Route> (r))
1585 , connect_inputs (ci)
1589 , output_offset (oo)
1592 boost::weak_ptr <Route> route;
1593 bool connect_inputs;
1594 ChanCount input_start;
1595 ChanCount output_start;
1596 ChanCount input_offset;
1597 ChanCount output_offset;
1600 typedef std::queue<AutoConnectRequest> AutoConnectQueue;
1601 Glib::Threads::Mutex _auto_connect_queue_lock;
1602 AutoConnectQueue _auto_connect_queue;
1603 guint _latency_recompute_pending;
1605 void get_physical_ports (std::vector<std::string>& inputs, std::vector<std::string>& outputs, DataType type,
1606 MidiPortFlags include = MidiPortFlags (0),
1607 MidiPortFlags exclude = MidiPortFlags (0));
1609 void auto_connect (const AutoConnectRequest&);
1610 void queue_latency_recompute ();
1612 /* SessionEventManager interface */
1614 void process_event (SessionEvent*);
1615 void set_next_event ();
1616 void cleanup_event (SessionEvent*,int);
1618 /* MIDI Machine Control */
1621 void spp_continue ();
1624 void mmc_deferred_play (MIDI::MachineControl &);
1625 void mmc_stop (MIDI::MachineControl &);
1626 void mmc_step (MIDI::MachineControl &, int);
1627 void mmc_pause (MIDI::MachineControl &);
1628 void mmc_record_pause (MIDI::MachineControl &);
1629 void mmc_record_strobe (MIDI::MachineControl &);
1630 void mmc_record_exit (MIDI::MachineControl &);
1631 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1632 void mmc_fast_forward (MIDI::MachineControl &);
1633 void mmc_rewind (MIDI::MachineControl &);
1634 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1635 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1636 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1638 struct timeval last_mmc_step;
1641 typedef boost::function<bool()> MidiTimeoutCallback;
1642 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1644 MidiTimeoutList midi_timeouts;
1645 bool mmc_step_timeout ();
1646 void send_immediate_mmc (MIDI::MachineControlCommand);
1648 MIDI::byte mtc_msg[16];
1649 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1650 MIDI::byte midi_msg[16];
1651 double outbound_mtc_timecode_frame;
1652 Timecode::Time transmitting_timecode_time;
1653 int next_quarter_frame_to_send;
1655 double _samples_per_timecode_frame; /* has to be floating point because of drop sample */
1656 samplecnt_t _frames_per_hour;
1657 samplecnt_t _timecode_frames_per_hour;
1659 /* cache the most-recently requested time conversions. This helps when we
1660 * have multiple clocks showing the same time (e.g. the transport sample) */
1661 bool last_timecode_valid;
1662 samplepos_t last_timecode_when;
1663 Timecode::Time last_timecode;
1665 bool _send_timecode_update; ///< Flag to send a full sample (Timecode) MTC message this cycle
1667 int send_midi_time_code_for_cycle (samplepos_t, samplepos_t, pframes_t nframes);
1669 LTCEncoder* ltc_encoder;
1670 ltcsnd_sample_t* ltc_enc_buf;
1672 Timecode::TimecodeFormat ltc_enc_tcformat;
1673 int32_t ltc_buf_off;
1674 int32_t ltc_buf_len;
1677 int32_t ltc_enc_byte;
1678 samplepos_t ltc_enc_pos;
1680 samplepos_t ltc_enc_off;
1682 samplepos_t ltc_prev_cycle;
1684 samplepos_t ltc_timecode_offset;
1685 bool ltc_timecode_negative_offset;
1687 LatencyRange ltc_out_latency;
1689 void ltc_tx_initialize();
1690 void ltc_tx_cleanup();
1691 void ltc_tx_reset();
1692 void ltc_tx_resync_latency();
1693 void ltc_tx_recalculate_position();
1694 void ltc_tx_parse_offset();
1695 void ltc_tx_send_time_code_for_cycle (samplepos_t, samplepos_t, double, double, pframes_t nframes);
1696 PBD::ScopedConnectionList ltc_tx_connections;
1699 void reset_record_status ();
1701 int no_roll (pframes_t nframes);
1702 int fail_roll (pframes_t nframes);
1704 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1705 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1707 MidiControlUI* midi_control_ui;
1709 int start_midi_thread ();
1711 void set_play_loop (bool yn, double speed);
1712 void unset_play_loop ();
1713 void overwrite_some_buffers (Track *);
1714 void flush_all_inserts ();
1715 int micro_locate (samplecnt_t distance);
1716 void locate (samplepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false, bool with_mmc=true);
1717 void start_locate (samplepos_t, bool with_roll, bool with_flush, bool for_loop_enabled=false, bool force=false);
1718 void force_locate (samplepos_t sample, bool with_roll = false);
1719 void set_transport_speed (double speed, samplepos_t destination_sample, bool abort = false, bool clear_state = false, bool as_default = false);
1720 void stop_transport (bool abort = false, bool clear_state = false);
1721 void start_transport ();
1722 void realtime_stop (bool abort, bool clear_state);
1723 void realtime_locate ();
1724 void non_realtime_start_scrub ();
1725 void non_realtime_set_speed ();
1726 void non_realtime_locate ();
1727 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1728 void non_realtime_overwrite (int entry_request_count, bool& finished);
1729 void post_transport ();
1730 void engine_halted ();
1731 void xrun_recovery ();
1732 void set_track_loop (bool);
1733 bool select_playhead_priority_target (samplepos_t&);
1734 void follow_playhead_priority ();
1736 /* These are synchronous and so can only be called from within the process
1740 int send_full_time_code (samplepos_t, pframes_t nframes);
1741 void send_song_position_pointer (samplepos_t);
1743 TempoMap *_tempo_map;
1744 void tempo_map_changed (const PBD::PropertyChange&);
1746 /* edit/mix groups */
1748 int load_route_groups (const XMLNode&, int);
1750 std::list<RouteGroup *> _route_groups;
1751 RouteGroup* _all_route_group;
1755 boost::shared_ptr<Graph> _process_graph;
1757 SerializedRCUManager<RouteList> routes;
1759 void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, bool save, PresentationInfo::order_t);
1760 void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t);
1761 bool _adding_routes_in_progress;
1762 bool _reconnecting_routes_in_progress;
1763 bool _route_deletion_in_progress;
1765 uint32_t destructive_index;
1767 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1768 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1769 boost::shared_ptr<Route> XMLRouteFactory_3X (const XMLNode&, int);
1771 void route_processors_changed (RouteProcessorChange);
1773 bool find_route_name (std::string const &, uint32_t& id, std::string& name, bool);
1774 void count_existing_track_channels (ChanCount& in, ChanCount& out);
1775 void auto_connect_route (boost::shared_ptr<Route>, bool, const ChanCount&, const ChanCount&, const ChanCount& io = ChanCount(), const ChanCount& oo = ChanCount());
1776 void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
1778 /* track numbering */
1780 void reassign_track_numbers ();
1781 uint32_t _track_number_decimals;
1783 /* solo/mute/notifications */
1785 void route_listen_changed (PBD::Controllable::GroupControlDisposition, boost::weak_ptr<Route>);
1786 void route_mute_changed ();
1787 void route_solo_changed (bool self_solo_change, PBD::Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route>);
1788 void route_solo_isolated_changed (boost::weak_ptr<Route>);
1790 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1792 void listen_position_changed ();
1793 void solo_control_mode_changed ();
1795 /* REGION MANAGEMENT */
1797 mutable Glib::Threads::Mutex region_lock;
1799 int load_regions (const XMLNode& node);
1800 int load_compounds (const XMLNode& node);
1802 void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
1803 void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
1804 void route_group_property_changed (RouteGroup *);
1808 mutable Glib::Threads::Mutex source_lock;
1811 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1814 void reset_write_sources (bool mark_write_complete, bool force = false);
1817 int load_sources (const XMLNode& node);
1818 XMLNode& get_sources_as_xml ();
1820 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1824 void remove_playlist (boost::weak_ptr<Playlist>);
1825 void track_playlist_changed (boost::weak_ptr<Track>);
1826 void playlist_region_added (boost::weak_ptr<Region>);
1827 void playlist_ranges_moved (std::list<Evoral::RangeMove<samplepos_t> > const &);
1828 void playlist_regions_extended (std::list<Evoral::Range<samplepos_t> > const &);
1830 /* CURVES and AUTOMATION LISTS */
1831 std::map<PBD::ID, AutomationList*> automation_lists;
1833 /* DEFAULT FADE CURVES */
1835 float default_fade_steepness;
1836 float default_fade_msecs;
1840 boost::shared_ptr<Auditioner> auditioner;
1841 void set_audition (boost::shared_ptr<Region>);
1842 void non_realtime_set_audition ();
1843 boost::shared_ptr<Region> pending_audition_region;
1849 int flatten_one_track (AudioTrack&, samplepos_t start, samplecnt_t cnt);
1851 /* INSERT AND SEND MANAGEMENT */
1853 boost::dynamic_bitset<uint32_t> send_bitset;
1854 boost::dynamic_bitset<uint32_t> aux_send_bitset;
1855 boost::dynamic_bitset<uint32_t> return_bitset;
1856 boost::dynamic_bitset<uint32_t> insert_bitset;
1860 struct space_and_path {
1861 uint32_t blocks; ///< 4kB blocks
1862 bool blocks_unknown; ///< true if blocks is unknown
1867 , blocks_unknown (true)
1871 struct space_and_path_ascending_cmp {
1872 bool operator() (space_and_path a, space_and_path b) {
1873 if (a.blocks_unknown != b.blocks_unknown) {
1874 return !a.blocks_unknown;
1876 return a.blocks > b.blocks;
1880 void setup_raid_path (std::string path);
1882 std::vector<space_and_path> session_dirs;
1883 std::vector<space_and_path>::iterator last_rr_session_dir;
1884 uint32_t _total_free_4k_blocks;
1885 /** If this is true, _total_free_4k_blocks is not definite,
1886 as one or more of the session directories' filesystems
1887 could not report free space.
1889 bool _total_free_4k_blocks_uncertain;
1890 Glib::Threads::Mutex space_lock;
1892 bool no_questions_about_missing_files;
1894 std::string get_best_session_directory_for_new_audio ();
1896 mutable gint _playback_load;
1897 mutable gint _capture_load;
1901 SerializedRCUManager<BundleList> _bundles;
1902 XMLNode* _bundle_xml_node;
1903 int load_bundles (XMLNode const &);
1905 UndoHistory _history;
1906 /** current undo transaction, or 0 */
1907 UndoTransaction* _current_trans;
1908 /** GQuarks to describe the reversible commands that are currently in progress.
1909 * These may be nested, in which case more recently-started commands are toward
1910 * the front of the list.
1912 std::list<GQuark> _current_trans_quarks;
1914 int backend_sync_callback (TransportState, samplepos_t);
1916 void process_rtop (SessionEvent*);
1924 XMLNode& state (bool save_template,
1925 snapshot_t snapshot_type = NormalSave,
1926 bool only_used_assets = false);
1928 XMLNode& get_state ();
1929 int set_state (const XMLNode& node, int version); // not idempotent
1930 XMLNode& get_template ();
1933 typedef std::list<Click*> Clicks;
1936 bool _click_rec_only;
1937 boost::shared_ptr<IO> _click_io;
1938 boost::shared_ptr<Amp> _click_gain;
1940 Sample* click_emphasis_data;
1941 samplecnt_t click_length;
1942 samplecnt_t click_emphasis_length;
1943 mutable Glib::Threads::RWLock click_lock;
1945 static const Sample default_click[];
1946 static const samplecnt_t default_click_length;
1947 static const Sample default_click_emphasis[];
1948 static const samplecnt_t default_click_emphasis_length;
1951 samplepos_t _clicks_cleared;
1952 void setup_click_sounds (int which);
1953 void setup_click_sounds (Sample**, Sample const *, samplecnt_t*, samplecnt_t, std::string const &);
1954 void clear_clicks ();
1955 void click (samplepos_t start, samplecnt_t nframes);
1956 void run_click (samplepos_t start, samplecnt_t nframes);
1957 void add_click (samplepos_t pos, bool emphasis);
1958 samplecnt_t _count_in_samples;
1960 /* range playback */
1962 std::list<AudioRange> current_audio_range;
1964 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1965 void unset_play_range ();
1967 /* temporary hacks to allow selection to be pushed from GUI into backend
1968 Whenever we move the selection object into libardour, these will go away.
1970 Evoral::Range<samplepos_t> _range_selection;
1971 Evoral::Range<samplepos_t> _object_selection;
1973 void unset_preroll_record_trim ();
1975 samplecnt_t _preroll_record_trim_len;
1976 bool _count_in_once;
1981 boost::shared_ptr<Route> _master_out;
1982 boost::shared_ptr<Route> _monitor_out;
1984 void auto_connect_master_bus ();
1986 int find_all_sources (std::string path, std::set<std::string>& result);
1987 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1989 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1990 Glib::Threads::Mutex controllables_lock;
1991 Controllables controllables;
1993 boost::shared_ptr<PBD::Controllable> _solo_cut_control;
1995 void reset_native_file_format();
1996 bool first_file_data_format_reset;
1997 bool first_file_header_format_reset;
1999 void config_changed (std::string, bool);
2001 XMLNode& get_control_protocol_state ();
2003 void set_history_depth (uint32_t depth);
2005 static bool _disable_all_loaded_plugins;
2006 static bool _bypass_all_loaded_plugins;
2008 mutable bool have_looped; ///< Used in ::audible_sample(*)
2010 void update_route_record_state ();
2011 gint _have_rec_enabled_track;
2012 gint _have_rec_disabled_track;
2014 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
2016 /* realtime "apply to set of routes" operations */
2017 template<typename T> SessionEvent*
2018 get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
2019 void (Session::*method) (boost::shared_ptr<RouteList>, T, PBD::Controllable::GroupControlDisposition)) {
2020 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2021 ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
2022 ev->rt_return = after;
2023 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2028 /* specialized version realtime "apply to set of routes" operations */
2029 template<typename T1, typename T2> SessionEvent*
2030 get_rt_event (boost::shared_ptr<RouteList> rl, T1 t1arg, T2 t2arg, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
2031 void (Session::*method) (boost::shared_ptr<RouteList>, T1, T2, PBD::Controllable::GroupControlDisposition)) {
2032 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2033 ev->rt_slot = boost::bind (method, this, rl, t1arg, t2arg, group_override);
2034 ev->rt_return = after;
2035 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2040 /* specialized version realtime "apply to set of controls" operations */
2041 SessionEvent* get_rt_event (boost::shared_ptr<ControlList> cl, double arg, PBD::Controllable::GroupControlDisposition group_override) {
2042 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2043 ev->rt_slot = boost::bind (&Session::rt_set_controls, this, cl, arg, group_override);
2044 ev->rt_return = Session::rt_cleanup;
2045 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2050 void rt_set_controls (boost::shared_ptr<ControlList>, double val, PBD::Controllable::GroupControlDisposition group_override);
2051 void rt_clear_all_solo_state (boost::shared_ptr<RouteList>, bool yn, PBD::Controllable::GroupControlDisposition group_override);
2053 void set_session_range_location (samplepos_t, samplepos_t);
2055 void setup_midi_machine_control ();
2057 void step_edit_status_change (bool);
2058 uint32_t _step_editors;
2060 /** true if timecode transmission by the transport is suspended, otherwise false */
2061 mutable gint _suspend_timecode_transmission;
2063 void update_locations_after_tempo_map_change (const Locations::LocationList &);
2065 void start_time_changed (samplepos_t);
2066 void end_time_changed (samplepos_t);
2068 void set_track_monitor_input_status (bool);
2069 samplepos_t compute_stop_limit () const;
2071 boost::shared_ptr<Speakers> _speakers;
2072 void load_nested_sources (const XMLNode& node);
2074 /** The directed graph of routes that is currently being used for audio processing
2075 and solo/mute computations.
2077 GraphEdges _current_route_graph;
2079 void ensure_route_presentation_info_gap (PresentationInfo::order_t, uint32_t gap_size);
2081 friend class ProcessorChangeBlocker;
2082 gint _ignore_route_processor_changes; /* atomic */
2084 MidiClockTicker* midi_clock;
2086 boost::shared_ptr<IO> _ltc_input;
2087 boost::shared_ptr<IO> _ltc_output;
2089 boost::shared_ptr<RTTaskList> _rt_tasklist;
2091 /* Scene Changing */
2092 SceneChanger* _scene_changer;
2094 /* persistent, non-track related MIDI ports */
2095 MidiPortManager* _midi_ports;
2096 MIDI::MachineControl* _mmc;
2099 void setup_click ();
2100 void setup_click_state (const XMLNode*);
2101 void setup_bundles ();
2103 void save_as_bring_callback (uint32_t, uint32_t, std::string);
2105 static const uint32_t session_end_shift;
2107 std::string _template_state_dir;
2109 VCAManager* _vca_manager;
2111 boost::shared_ptr<Route> get_midi_nth_route_by_id (PresentationInfo::order_t n) const;
2113 std::string created_with;
2115 void midi_track_presentation_info_changed (PBD::PropertyChange const &, boost::weak_ptr<MidiTrack>);
2116 void rewire_selected_midi (boost::shared_ptr<MidiTrack>);
2117 void rewire_midi_selection_ports ();
2118 boost::weak_ptr<MidiTrack> current_midi_target;
2120 StripableList _soloSelection; //the items that are soloe'd during a solo-selection operation; need to unsolo after the roll
2122 CoreSelection* _selection;
2124 bool _global_locate_pending;
2128 } // namespace ARDOUR
2130 #endif /* __ardour_session_h__ */