2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_session_h__
21 #define __ardour_session_h__
23 #include "libardour-config.h"
33 #include <boost/dynamic_bitset.hpp>
34 #include <boost/scoped_ptr.hpp>
35 #include <boost/weak_ptr.hpp>
36 #include <boost/utility.hpp>
38 #include <glibmm/threads.h>
42 #include "pbd/error.h"
43 #include "pbd/event_loop.h"
45 #include "pbd/statefuldestructible.h"
46 #include "pbd/signals.h"
49 #include "evoral/types.hpp"
51 #include "midi++/types.h"
52 #include "midi++/mmc.h"
54 #include "timecode/time.h"
56 #include "ardour/ardour.h"
57 #include "ardour/chan_count.h"
58 #include "ardour/delivery.h"
59 #include "ardour/interthread_info.h"
60 #include "ardour/location.h"
61 #include "ardour/monitor_processor.h"
62 #include "ardour/rc_configuration.h"
63 #include "ardour/session_configuration.h"
64 #include "ardour/session_event.h"
65 #include "ardour/interpolation.h"
66 #include "ardour/route.h"
67 #include "ardour/route_graph.h"
73 typedef struct _AEffect AEffect;
83 class ControllableDescriptor;
94 class AudioFileSource;
112 class MidiClockTicker;
114 class MidiPortManager;
133 class SessionDirectory;
134 class SessionMetadata;
135 class SessionPlaylists;
141 class WindowsVSTPlugin;
143 extern void setup_enum_writer ();
145 class LIBARDOUR_API SessionException: public std::exception {
147 explicit SessionException(const std::string msg) : _message(msg) {}
148 virtual ~SessionException() throw() {}
150 virtual const char* what() const throw() { return _message.c_str(); }
153 std::string _message;
156 class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager
165 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
166 the bus profile can be null if no master out bus is required.
169 Session (AudioEngine&,
170 const std::string& fullpath,
171 const std::string& snapshot_name,
172 BusProfile* bus_profile = 0,
173 std::string mix_template = "");
177 static int get_info_from_path (const std::string& xmlpath, float& sample_rate, SampleFormat& data_format);
178 static std::string get_snapshot_from_instant (const std::string& session_dir);
180 std::string path() const { return _path; }
181 std::string name() const { return _name; }
182 std::string snap_name() const { return _current_snapshot_name; }
183 std::string raid_path () const;
184 bool path_is_within_session (const std::string&);
186 bool writable() const { return _writable; }
189 bool dirty() const { return _state_of_the_state & Dirty; }
190 void set_deletion_in_progress ();
191 void clear_deletion_in_progress ();
192 bool reconnection_in_progress() const { return _reconnecting_routes_in_progress; }
193 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
194 bool routes_deletion_in_progress() const { return _route_deletion_in_progress; }
195 bool peaks_cleanup_in_progres() const { return _state_of_the_state & PeakCleanup; }
197 PBD::Signal0<void> DirtyChanged;
199 PBD::Signal1<void, bool> RouteAddedOrRemoved;
201 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
203 static PBD::Signal1<void,std::string> Dialog;
205 PBD::Signal0<void> BatchUpdateStart;
206 PBD::Signal0<void> BatchUpdateEnd;
208 int ensure_subdirs ();
210 std::string automation_dir () const; ///< Automation data
211 std::string analysis_dir () const; ///< Analysis data
212 std::string plugins_dir () const; ///< Plugin state
213 std::string externals_dir () const; ///< Links to external files
215 std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const;
217 bool audio_source_name_is_unique (const std::string& name);
218 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);
219 std::string new_audio_source_path_for_embedded (const std::string& existing_path);
220 std::string new_audio_source_path (const std::string&, uint32_t nchans, uint32_t chan, bool destructive, bool take_required);
221 std::string new_midi_source_path (const std::string&);
222 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path, const std::string& name, PlaylistDisposition pd = NewPlaylist);
223 RouteList new_route_from_template (uint32_t how_many, XMLNode&, const std::string& name, PlaylistDisposition pd = NewPlaylist);
224 std::vector<std::string> get_paths_for_new_sources (bool allow_replacing, const std::string& import_file_path, uint32_t channels);
226 int bring_all_sources_into_session (boost::function<void(uint32_t,uint32_t,std::string)> callback);
228 void process (pframes_t nframes);
230 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
231 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true );
232 BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
233 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
235 bool have_rec_enabled_track () const;
236 bool have_rec_disabled_track () const;
238 bool have_captured() const { return _have_captured; }
240 void refill_all_track_buffers ();
241 Butler* butler() { return _butler; }
242 void butler_transport_work ();
244 void refresh_disk_space ();
246 int load_diskstreams_2X (XMLNode const &, int);
248 int load_routes (const XMLNode&, int);
249 boost::shared_ptr<RouteList> get_routes() const {
250 return routes.reader ();
253 boost::shared_ptr<RouteList> get_tracks() const;
254 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
255 boost::shared_ptr<RouteList> get_routes_with_regions_at (framepos_t const) const;
257 uint32_t nroutes() const { return routes.reader()->size(); }
258 uint32_t ntracks () const;
259 uint32_t nbusses () const;
261 boost::shared_ptr<BundleList> bundles () {
262 return _bundles.reader ();
265 struct LIBARDOUR_API RoutePublicOrderSorter {
266 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
269 void set_order_hint (int32_t order_hint) {_order_hint = order_hint;};
270 void notify_remote_id_change ();
271 void sync_order_keys ();
273 template<class T> void foreach_route (T *obj, void (T::*func)(Route&), bool sort = true);
274 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>), bool sort = true);
275 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg, bool sort = true);
277 static char session_name_is_legal (const std::string&);
278 bool io_name_is_legal (const std::string&);
279 boost::shared_ptr<Route> route_by_name (std::string);
280 boost::shared_ptr<Route> route_by_id (PBD::ID);
281 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
282 boost::shared_ptr<Track> track_by_diskstream_id (PBD::ID);
283 void routes_using_input_from (const std::string& str, RouteList& rl);
285 bool route_name_unique (std::string) const;
286 bool route_name_internal (std::string) const;
288 uint32_t track_number_decimals () const {
289 return _track_number_decimals;
292 bool get_record_enabled() const {
293 return (record_status () >= Enabled);
296 RecordState record_status() const {
297 return (RecordState) g_atomic_int_get (&_record_status);
300 bool actively_recording () const {
301 return record_status() == Recording;
304 bool record_enabling_legal () const;
305 void maybe_enable_record ();
306 void disable_record (bool rt_context, bool force = false);
307 void step_back_from_record ();
309 void set_all_tracks_record_enabled(bool);
311 void maybe_write_autosave ();
313 /* Emitted when all i/o connections are complete */
315 PBD::Signal0<void> IOConnectionsComplete;
317 /* Timecode status signals */
318 PBD::Signal1<void, bool> MTCSyncStateChanged;
319 PBD::Signal1<void, bool> LTCSyncStateChanged;
321 /* Record status signals */
323 PBD::Signal0<void> RecordStateChanged; /* signals changes in recording state (i.e. are we recording) */
324 /* XXX may 2015: paul says: it isn't clear to me that this has semantics that cannot be inferrred
325 from the previous signal and session state.
327 PBD::Signal0<void> RecordArmStateChanged; /* signals changes in recording arming */
329 /* Emited when session is loaded */
330 PBD::Signal0<void> SessionLoaded;
332 /* Transport mechanism signals */
334 /** Emitted on the following changes in transport state:
335 * - stop (from the butler thread)
336 * - change in whether or not we are looping (from the process thread)
337 * - change in the play range (from the process thread)
338 * - start (from the process thread)
341 PBD::Signal0<void> TransportStateChange;
343 PBD::Signal1<void,framepos_t> PositionChanged; /* sent after any non-sequential motion */
344 PBD::Signal1<void,framepos_t> Xrun;
345 PBD::Signal0<void> TransportLooped;
347 /** emitted when a locate has occurred */
348 PBD::Signal0<void> Located;
350 PBD::Signal1<void,RouteList&> RouteAdded;
351 /** Emitted when a property of one of our route groups changes.
352 * The parameter is the RouteGroup that has changed.
354 PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
355 /** Emitted when a route is added to one of our route groups.
356 * First parameter is the RouteGroup, second is the route.
358 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
359 /** Emitted when a route is removed from one of our route groups.
360 * First parameter is the RouteGroup, second is the route.
362 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
364 /* Step Editing status changed */
365 PBD::Signal1<void,bool> StepEditStatusChange;
367 /* Timecode state signals */
368 PBD::Signal0<void> MtcOrLtcInputPortChanged;
370 void queue_event (SessionEvent*);
372 void request_roll_at_and_return (framepos_t start, framepos_t return_to);
373 void request_bounded_roll (framepos_t start, framepos_t end);
374 void request_stop (bool abort = false, bool clear_state = false);
375 void request_locate (framepos_t frame, bool with_roll = false);
377 void request_play_loop (bool yn, bool leave_rolling = false);
378 bool get_play_loop () const { return play_loop; }
380 framepos_t last_transport_start () const { return _last_roll_location; }
383 void use_rf_shuttle_speed ();
384 void allow_auto_play (bool yn);
385 void request_transport_speed (double speed, bool as_default = true);
386 void request_transport_speed_nonzero (double, bool as_default = true);
387 void request_overwrite_buffer (Track *);
388 void adjust_playback_buffering();
389 void adjust_capture_buffering();
390 void request_track_speed (Track *, double speed);
391 void request_input_change_handling ();
393 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
394 bool transport_locked () const;
398 framepos_t current_end_frame () const;
399 framepos_t current_start_frame () const;
400 /** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
401 framecnt_t frame_rate () const { return _current_frame_rate; }
402 /** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
403 framecnt_t nominal_frame_rate () const { return _nominal_frame_rate; }
404 framecnt_t frames_per_hour () const { return _frames_per_hour; }
406 double frames_per_timecode_frame() const { return _frames_per_timecode_frame; }
407 framecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
409 MIDI::byte get_mtc_timecode_bits() const {
410 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
413 double timecode_frames_per_second() const;
414 bool timecode_drop_frames() const;
418 Locations *locations() { return _locations; }
420 PBD::Signal1<void,Location*> auto_loop_location_changed;
421 PBD::Signal1<void,Location*> auto_punch_location_changed;
422 PBD::Signal0<void> locations_modified;
424 void set_auto_punch_location (Location *);
425 void set_auto_loop_location (Location *);
426 void set_session_extents (framepos_t start, framepos_t end);
427 int location_name(std::string& result, std::string base = std::string(""));
429 pframes_t get_block_size() const { return current_block_size; }
430 framecnt_t worst_output_latency () const { return _worst_output_latency; }
431 framecnt_t worst_input_latency () const { return _worst_input_latency; }
432 framecnt_t worst_track_latency () const { return _worst_track_latency; }
433 framecnt_t worst_playback_latency () const { return _worst_output_latency + _worst_track_latency; }
436 std::string new_parent_folder; /* parent folder where new session folder will be created */
437 std::string new_name; /* name of newly saved session */
438 bool switch_to; /* true if we should be working on newly saved session after save-as; false otherwise */
439 bool include_media; /* true if the newly saved session should contain references to media */
440 bool copy_media; /* true if media files (audio, media, etc) should be copied into newly saved session; false otherwise */
441 bool copy_external; /* true if external media should be consolidated into the newly saved session; false otherwise */
443 std::string final_session_folder_name; /* filled in by * Session::save_as(), provides full path to newly saved session */
445 /* emitted as we make progress. 3 arguments passed to signal
448 * 1: percentage complete measured as a fraction (0-1.0) of
449 * total data copying done.
450 * 2: number of files copied so far
451 * 3: total number of files to copy
453 * Handler should return true for save-as to continue, or false
454 * to stop (and remove all evidence of partial save-as).
456 PBD::Signal3<bool,float,int64_t,int64_t> Progress;
458 /* if save_as() returns non-zero, this string will indicate the reason why.
460 std::string failure_message;
463 int save_as (SaveAs&);
464 int save_state (std::string snapshot_name, bool pending = false, bool switch_to_snapshot = false, bool template_only = false);
465 int restore_state (std::string snapshot_name);
466 int save_template (std::string template_name, bool replace_existing = false);
467 int save_history (std::string snapshot_name = "");
468 int restore_history (std::string snapshot_name);
469 void remove_state (std::string snapshot_name);
470 void rename_state (std::string old_name, std::string new_name);
471 void remove_pending_capture_state ();
472 int rename (const std::string&);
473 bool get_nsm_state () const { return _under_nsm_control; }
474 void set_nsm_state (bool state) { _under_nsm_control = state; }
475 bool save_default_options ();
477 PBD::Signal1<void,std::string> StateSaved;
478 PBD::Signal0<void> StateReady;
480 /* emitted when session needs to be saved due to some internal
481 * event or condition (i.e. not in response to a user request).
483 * Only one object should
484 * connect to this signal and take responsibility.
486 * Argument is the snapshot name to use when saving.
488 PBD::Signal1<void,std::string> SaveSessionRequested;
490 /* emitted during a session save to allow other entities to add state, via
491 * extra XML, to the session state
493 PBD::Signal0<void> SessionSaveUnderway;
495 std::vector<std::string> possible_states() const;
496 static std::vector<std::string> possible_states (std::string path);
498 XMLNode& get_state();
499 int set_state(const XMLNode& node, int version); // not idempotent
500 XMLNode& get_template();
502 /// The instant xml file is written to the session directory
503 void add_instant_xml (XMLNode&, bool write_to_config = true);
504 XMLNode* instant_xml (const std::string& str);
506 enum StateOfTheState {
511 InitialConnecting = 0x8,
517 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
519 class StateProtector {
521 StateProtector (Session* s) : _session (s) {
522 g_atomic_int_inc (&s->_suspend_save);
525 if (g_atomic_int_dec_and_test (&_session->_suspend_save)) {
526 while (_session->_save_queued) {
527 _session->_save_queued = false;
528 _session->save_state ("");
536 void add_route_group (RouteGroup *);
537 void remove_route_group (RouteGroup&);
538 void reorder_route_groups (std::list<RouteGroup*>);
540 RouteGroup* route_group_by_name (std::string);
541 RouteGroup& all_route_group() const;
543 PBD::Signal1<void,RouteGroup*> route_group_added;
544 PBD::Signal0<void> route_group_removed;
545 PBD::Signal0<void> route_groups_reordered;
547 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
548 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
553 std::list<RouteGroup*> const & route_groups () const {
554 return _route_groups;
557 /* fundamental operations. duh. */
559 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
562 TrackMode mode = Normal,
563 RouteGroup* route_group = 0,
564 uint32_t how_many = 1,
565 std::string name_template = ""
568 RouteList new_audio_route (
569 int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, std::string name_template = ""
572 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
573 const ChanCount& input, const ChanCount& output,
574 boost::shared_ptr<PluginInfo> instrument = boost::shared_ptr<PluginInfo>(),
575 TrackMode mode = Normal,
576 RouteGroup* route_group = 0, uint32_t how_many = 1, std::string name_template = ""
579 void remove_routes (boost::shared_ptr<RouteList>);
580 void remove_route (boost::shared_ptr<Route>);
582 void resort_routes ();
583 void resort_routes_using (boost::shared_ptr<RouteList>);
585 AudioEngine & engine() { return _engine; }
586 AudioEngine const & engine () const { return _engine; }
588 static std::string default_track_name_pattern (DataType);
592 framepos_t transport_frame () const {return _transport_frame; }
593 framepos_t record_location () const {return _last_record_location; }
594 framepos_t audible_frame () const;
595 framepos_t requested_return_frame() const { return _requested_return_frame; }
596 void set_requested_return_frame(framepos_t return_to);
610 void sync_time_vars();
612 void bbt_time (framepos_t when, Timecode::BBT_Time&);
613 void timecode_to_sample(Timecode::Time& timecode, framepos_t& sample, bool use_offset, bool use_subframes) const;
614 void sample_to_timecode(framepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
615 void timecode_time (Timecode::Time &);
616 void timecode_time (framepos_t when, Timecode::Time&);
617 void timecode_time_subframes (framepos_t when, Timecode::Time&);
619 void timecode_duration (framecnt_t, Timecode::Time&) const;
620 void timecode_duration_string (char *, size_t len, framecnt_t) const;
622 framecnt_t convert_to_frames (AnyTime const & position);
623 framecnt_t any_duration_to_frames (framepos_t position, AnyTime const & duration);
625 static PBD::Signal1<void, framepos_t> StartTimeChanged;
626 static PBD::Signal1<void, framepos_t> EndTimeChanged;
628 void request_sync_source (Slave*);
629 bool synced_to_engine() const { return _slave && config.get_external_sync() && Config->get_sync_source() == Engine; }
630 bool synced_to_mtc () const { return config.get_external_sync() && Config->get_sync_source() == MTC && g_atomic_int_get (const_cast<gint*>(&_mtc_active)); }
631 bool synced_to_ltc () const { return config.get_external_sync() && Config->get_sync_source() == LTC && g_atomic_int_get (const_cast<gint*>(&_ltc_active)); }
633 double transport_speed() const { return _transport_speed; }
634 bool transport_stopped() const { return _transport_speed == 0.0f; }
635 bool transport_rolling() const { return _transport_speed != 0.0f; }
637 bool silent () { return _silent; }
639 TempoMap& tempo_map() { return *_tempo_map; }
640 const TempoMap& tempo_map() const { return *_tempo_map; }
642 unsigned int get_xrun_count () const {return _xrun_count; }
643 void reset_xrun_count () {_xrun_count = 0; }
647 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
649 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
650 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
651 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
653 /* source management */
655 void import_files (ImportStatus&);
656 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
657 std::string build_tmp_convert_name (std::string file);
659 boost::shared_ptr<ExportHandler> get_export_handler ();
660 boost::shared_ptr<ExportStatus> get_export_status ();
662 int start_audio_export (framepos_t position);
664 PBD::Signal1<int, framecnt_t> ProcessExport;
665 static PBD::Signal2<void,std::string, std::string> Exported;
667 void add_source (boost::shared_ptr<Source>);
668 void remove_source (boost::weak_ptr<Source>);
670 void cleanup_regions();
671 bool can_cleanup_peakfiles () const;
672 int cleanup_peakfiles ();
673 int cleanup_sources (CleanupReport&);
674 int cleanup_trash_sources (CleanupReport&);
676 int destroy_sources (std::list<boost::shared_ptr<Source> >);
678 int remove_last_capture ();
680 /** handlers should return 0 for "everything OK", and any other value for
681 * "cannot setup audioengine".
683 static PBD::Signal1<int,uint32_t> AudioEngineSetupRequired;
685 /** handlers should return -1 for "stop cleanup",
686 0 for "yes, delete this playlist",
687 1 for "no, don't delete this playlist".
689 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
691 /** handlers should return 0 for "ignore the rate mismatch",
692 !0 for "do not use this session"
694 static PBD::Signal2<int, framecnt_t, framecnt_t> AskAboutSampleRateMismatch;
696 /** handlers should return !0 for use pending state, 0 for ignore it.
698 static PBD::Signal0<int> AskAboutPendingState;
700 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
701 size_t, std::string const &, uint32_t, bool destructive);
703 boost::shared_ptr<MidiSource> create_midi_source_for_session (std::string const &);
704 boost::shared_ptr<MidiSource> create_midi_source_by_stealing_name (boost::shared_ptr<Track>);
706 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
707 boost::shared_ptr<AudioFileSource> audio_source_by_path_and_channel (const std::string&, uint16_t) const;
708 boost::shared_ptr<MidiSource> midi_source_by_path (const std::string&) const;
709 uint32_t count_sources_by_origin (const std::string&);
711 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
713 /* Curves and AutomationLists (TODO when they go away) */
714 void add_automation_list(AutomationList*);
718 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
719 void audition_playlist ();
720 void audition_region (boost::shared_ptr<Region>);
721 void cancel_audition ();
722 bool is_auditioning () const;
724 PBD::Signal1<void,bool> AuditionActive;
726 /* flattening stuff */
728 boost::shared_ptr<Region> write_one_track (Track&, framepos_t start, framepos_t end,
729 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
730 boost::shared_ptr<Processor> endpoint,
731 bool include_endpoint, bool for_export, bool for_freeze);
732 int freeze_all (InterThreadInfo&);
734 /* session-wide solo/mute/rec-enable */
736 bool soloing() const { return _non_soloed_outs_muted; }
737 bool listening() const { return _listen_cnt > 0; }
738 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
740 static const SessionEvent::RTeventCallback rt_cleanup;
742 void set_solo (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
743 void clear_all_solo_state (boost::shared_ptr<RouteList>);
744 void set_just_one_solo (boost::shared_ptr<Route>, bool, SessionEvent::RTeventCallback after = rt_cleanup);
745 void set_mute (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
746 void set_listen (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
747 void set_record_enabled (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
748 void set_record_safe (boost::shared_ptr<RouteList>, bool yn, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
749 void set_solo_isolated (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
750 void set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
751 void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others=false);
753 PBD::Signal1<void,bool> SoloActive;
754 PBD::Signal0<void> SoloChanged;
755 PBD::Signal0<void> IsolatedChanged;
756 PBD::Signal0<void> MonitorChanged;
758 PBD::Signal0<void> session_routes_reconnected;
760 /* monitor/master out */
762 void add_monitor_section ();
763 void reset_monitor_section ();
764 void remove_monitor_section ();
765 bool monitor_active() const { return (_monitor_out && _monitor_out->monitor_control () && _monitor_out->monitor_control ()->monitor_active()); }
767 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
768 boost::shared_ptr<Route> master_out() const { return _master_out; }
770 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
771 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
772 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
773 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
774 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
775 void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
776 void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
778 static void set_disable_all_loaded_plugins (bool yn) {
779 _disable_all_loaded_plugins = yn;
781 static bool get_disable_all_loaded_plugins() {
782 return _disable_all_loaded_plugins;
784 static void set_bypass_all_loaded_plugins (bool yn) {
785 _bypass_all_loaded_plugins = yn;
787 static bool get_bypass_all_loaded_plugins() {
788 return _bypass_all_loaded_plugins;
791 uint32_t next_send_id();
792 uint32_t next_aux_send_id();
793 uint32_t next_return_id();
794 uint32_t next_insert_id();
795 void mark_send_id (uint32_t);
796 void mark_aux_send_id (uint32_t);
797 void mark_return_id (uint32_t);
798 void mark_insert_id (uint32_t);
799 void unmark_send_id (uint32_t);
800 void unmark_aux_send_id (uint32_t);
801 void unmark_return_id (uint32_t);
802 void unmark_insert_id (uint32_t);
804 /* s/w "RAID" management */
806 boost::optional<framecnt_t> available_capture_duration();
810 void add_bundle (boost::shared_ptr<Bundle>, bool emit_signal = true);
811 void remove_bundle (boost::shared_ptr<Bundle>);
812 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
814 PBD::Signal0<void> BundleAddedOrRemoved;
818 /* History (for editors, mixers, UIs etc.) */
820 /** Undo some transactions.
821 * @param n Number of transactions to undo.
823 void undo (uint32_t n) {
827 void redo (uint32_t n) {
831 UndoHistory& history() { return _history; }
833 uint32_t undo_depth() const { return _history.undo_depth(); }
834 uint32_t redo_depth() const { return _history.redo_depth(); }
835 std::string next_undo() const { return _history.next_undo(); }
836 std::string next_redo() const { return _history.next_redo(); }
838 void begin_reversible_command (const std::string& cmd_name);
839 void begin_reversible_command (GQuark);
840 void abort_reversible_command ();
841 void commit_reversible_command (Command* cmd = 0);
843 void add_command (Command *const cmd);
845 /** @return The list of operations that are currently in progress */
846 std::list<GQuark> const & current_operations () {
847 return _current_trans_quarks;
850 bool operation_in_progress (GQuark) const;
852 void add_commands (std::vector<Command*> const & cmds);
854 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
856 // these commands are implemented in libs/ardour/session_command.cc
857 Command* memento_command_factory(XMLNode* n);
858 Command* stateful_diff_command_factory (XMLNode *);
859 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
863 boost::shared_ptr<IO> click_io() { return _click_io; }
864 boost::shared_ptr<Amp> click_gain() { return _click_gain; }
866 /* disk, buffer loads */
868 uint32_t playback_load ();
869 uint32_t capture_load ();
873 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
874 void request_cancel_play_range ();
875 bool get_play_range () const { return _play_range; }
877 void maybe_update_session_range (framepos_t, framepos_t);
879 /* temporary hacks to allow selection to be pushed from GUI into backend.
880 Whenever we move the selection object into libardour, these will go away.
882 void set_range_selection (framepos_t start, framepos_t end);
883 void set_object_selection (framepos_t start, framepos_t end);
884 void clear_range_selection ();
885 void clear_object_selection ();
887 /* buffers for gain and pan */
889 gain_t* gain_automation_buffer () const;
890 gain_t* trim_automation_buffer () const;
891 gain_t* send_gain_automation_buffer () const;
892 pan_t** pan_automation_buffer () const;
894 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
898 static int vst_current_loading_id;
899 static const char* vst_can_do_strings[];
900 static const int vst_can_do_string_count;
902 static intptr_t vst_callback (
911 static PBD::Signal0<void> SendFeedback;
915 boost::shared_ptr<Speakers> get_speakers ();
919 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
920 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const PBD::ControllableDescriptor&);
922 void add_controllable (boost::shared_ptr<PBD::Controllable>);
923 void remove_controllable (PBD::Controllable*);
925 boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
927 SessionConfiguration config;
929 bool exporting () const {
933 bool bounce_processing() const {
934 return _bounce_processing_active;
937 /* this is a private enum, but setup_enum_writer() needs it,
938 and i can't find a way to give that function
942 enum PostTransportWork {
943 PostTransportStop = 0x1,
944 PostTransportDuration = 0x2,
945 PostTransportLocate = 0x4,
946 PostTransportRoll = 0x8,
947 PostTransportAbort = 0x10,
948 PostTransportOverWrite = 0x20,
949 PostTransportSpeed = 0x40,
950 PostTransportAudition = 0x80,
951 PostTransportReverse = 0x100,
952 PostTransportInputChange = 0x200,
953 PostTransportCurveRealloc = 0x400,
954 PostTransportClearSubstate = 0x800,
955 PostTransportAdjustPlaybackBuffering = 0x1000,
956 PostTransportAdjustCaptureBuffering = 0x2000
965 SlaveState slave_state() const { return _slave_state; }
966 Slave* slave() const { return _slave; }
968 boost::shared_ptr<SessionPlaylists> playlists;
970 void send_mmc_locate (framepos_t);
971 void queue_full_time_code () { _send_timecode_update = true; }
972 void queue_song_position_pointer () { /* currently does nothing */ }
974 bool step_editing() const { return (_step_editors > 0); }
976 void request_suspend_timecode_transmission ();
977 void request_resume_timecode_transmission ();
978 bool timecode_transmission_suspended () const;
980 std::vector<std::string> source_search_path(DataType) const;
981 void ensure_search_path_includes (const std::string& path, DataType type);
982 void remove_dir_from_search_path (const std::string& path, DataType type);
984 std::list<std::string> unknown_processors () const;
986 /** Emitted when a feedback cycle has been detected within Ardour's signal
987 processing path. Until it is fixed (by the user) some (unspecified)
988 routes will not be run.
990 static PBD::Signal0<void> FeedbackDetected;
992 /** Emitted when a graph sort has successfully completed, which means
993 that it has no feedback cycles.
995 static PBD::Signal0<void> SuccessfulGraphSort;
997 /* handlers can return an integer value:
998 0: config.set_audio_search_path() or config.set_midi_search_path() was used
999 to modify the search path and we should try to find it again.
1000 1: quit entire session load
1001 2: as 0, but don't ask about other missing files
1002 3: don't ask about other missing files, and just mark this one missing
1003 -1: just mark this one missing
1004 any other value: as -1
1006 static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
1008 /** Emitted when the session wants Ardour to quit */
1009 static PBD::Signal0<void> Quit;
1011 /** Emitted when Ardour is asked to load a session in an older session
1012 * format, and makes a backup copy.
1014 static PBD::Signal2<void,std::string,std::string> VersionMismatch;
1016 SceneChanger* scene_changer() const { return _scene_changer; }
1018 /* asynchronous MIDI control ports */
1020 boost::shared_ptr<Port> midi_input_port () const;
1021 boost::shared_ptr<Port> midi_output_port () const;
1022 boost::shared_ptr<Port> mmc_output_port () const;
1023 boost::shared_ptr<Port> mmc_input_port () const;
1024 boost::shared_ptr<Port> scene_input_port () const;
1025 boost::shared_ptr<Port> scene_output_port () const;
1027 /* synchronous MIDI ports used for synchronization */
1029 boost::shared_ptr<MidiPort> midi_clock_output_port () const;
1030 boost::shared_ptr<MidiPort> midi_clock_input_port () const;
1031 boost::shared_ptr<MidiPort> mtc_output_port () const;
1032 boost::shared_ptr<MidiPort> mtc_input_port () const;
1033 boost::shared_ptr<Port> ltc_input_port() const;
1034 boost::shared_ptr<Port> ltc_output_port() const;
1036 boost::shared_ptr<IO> ltc_input_io() { return _ltc_input; }
1037 boost::shared_ptr<IO> ltc_output_io() { return _ltc_output; }
1039 MIDI::MachineControl& mmc() { return *_mmc; }
1041 void reconnect_midi_scene_ports (bool);
1042 void reconnect_mtc_ports ();
1043 void reconnect_mmc_ports (bool);
1045 void reconnect_ltc_input ();
1046 void reconnect_ltc_output ();
1049 friend class AudioEngine;
1050 void set_block_size (pframes_t nframes);
1051 void set_frame_rate (framecnt_t nframes);
1052 void reconnect_existing_routes (bool withLock, bool reconnect_master = true, bool reconnect_inputs = true, bool reconnect_outputs = true);
1056 void schedule_curve_reallocation ();
1057 void update_latency_compensation (bool force = false);
1060 int create (const std::string& mix_template, BusProfile*);
1064 PendingDeclickIn = 0x1, ///< pending de-click fade-in for start
1065 PendingDeclickOut = 0x2, ///< pending de-click fade-out for stop
1066 StopPendingCapture = 0x4,
1067 PendingLoopDeclickIn = 0x8, ///< pending de-click fade-in at the start of a loop
1068 PendingLoopDeclickOut = 0x10, ///< pending de-click fade-out at the end of a loop
1069 PendingLocate = 0x20,
1072 /* stuff used in process() should be close together to
1076 typedef void (Session::*process_function_type)(pframes_t);
1078 AudioEngine& _engine;
1079 mutable gint processing_prohibited;
1080 process_function_type process_function;
1081 process_function_type last_process_function;
1082 bool _bounce_processing_active;
1083 bool waiting_for_sync_offset;
1084 framecnt_t _base_frame_rate;
1085 framecnt_t _current_frame_rate; //this includes video pullup offset
1086 framecnt_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1087 int transport_sub_state;
1088 mutable gint _record_status;
1089 framepos_t _transport_frame;
1090 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
1094 // varispeed playback
1095 double _transport_speed;
1096 double _default_transport_speed;
1097 double _last_transport_speed;
1098 double _signalled_varispeed;
1099 double _target_transport_speed;
1100 CubicInterpolation interpolation;
1102 bool auto_play_legal;
1103 framepos_t _last_slave_transport_frame;
1104 framecnt_t maximum_output_latency;
1105 framepos_t _requested_return_frame;
1106 pframes_t current_block_size;
1107 framecnt_t _worst_output_latency;
1108 framecnt_t _worst_input_latency;
1109 framecnt_t _worst_track_latency;
1110 bool _have_captured;
1111 bool _non_soloed_outs_muted;
1113 uint32_t _listen_cnt;
1114 uint32_t _solo_isolated_cnt;
1117 bool _under_nsm_control;
1118 unsigned int _xrun_count;
1120 void mtc_status_changed (bool);
1121 PBD::ScopedConnection mtc_status_connection;
1122 void ltc_status_changed (bool);
1123 PBD::ScopedConnection ltc_status_connection;
1125 void initialize_latencies ();
1126 void set_worst_io_latencies ();
1127 void set_worst_playback_latency ();
1128 void set_worst_capture_latency ();
1129 void set_worst_io_latencies_x (IOChange, void *) {
1130 set_worst_io_latencies ();
1132 void post_capture_latency ();
1133 void post_playback_latency ();
1135 void update_latency_compensation_proxy (void* ignored);
1137 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
1139 void process_scrub (pframes_t);
1140 void process_without_events (pframes_t);
1141 void process_with_events (pframes_t);
1142 void process_audition (pframes_t);
1143 int process_export (pframes_t);
1144 int process_export_fw (pframes_t);
1146 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1147 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1148 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1150 static const framecnt_t bounce_chunk_size;
1152 /* slave tracking */
1154 static const int delta_accumulator_size = 25;
1155 int delta_accumulator_cnt;
1156 int32_t delta_accumulator[delta_accumulator_size];
1157 int32_t average_slave_delta;
1159 bool have_first_delta_accumulator;
1161 SlaveState _slave_state;
1164 framepos_t slave_wait_end;
1166 void reset_slave_state ();
1167 bool follow_slave (pframes_t);
1168 void calculate_moving_average_of_slave_delta (int dir, framecnt_t this_delta);
1169 void track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta);
1170 void follow_slave_silently (pframes_t nframes, float slave_speed);
1172 void switch_to_sync_source (SyncSource); /* !RT context */
1173 void drop_sync_source (); /* !RT context */
1174 void use_sync_source (Slave*); /* RT context */
1176 bool post_export_sync;
1177 framepos_t post_export_position;
1180 bool _export_started;
1181 bool _export_rolling;
1183 boost::shared_ptr<ExportHandler> export_handler;
1184 boost::shared_ptr<ExportStatus> export_status;
1187 int stop_audio_export ();
1188 void finalize_audio_export ();
1189 void finalize_export_internal (bool stop_freewheel);
1190 bool _pre_export_mmc_enabled;
1192 PBD::ScopedConnection export_freewheel_connection;
1194 void get_track_statistics ();
1195 int process_routes (pframes_t, bool& need_butler);
1196 int silent_process_routes (pframes_t, bool& need_butler);
1198 /** @return 1 if there is a pending declick fade-in,
1199 -1 if there is a pending declick fade-out,
1200 0 if there is no pending declick.
1202 int get_transport_declick_required () {
1203 if (transport_sub_state & PendingDeclickIn) {
1204 transport_sub_state &= ~PendingDeclickIn;
1206 } else if (transport_sub_state & PendingDeclickOut) {
1207 /* XXX: not entirely sure why we don't clear this */
1209 } else if (transport_sub_state & PendingLoopDeclickOut) {
1210 /* Return the declick out first ... */
1211 transport_sub_state &= ~PendingLoopDeclickOut;
1213 } else if (transport_sub_state & PendingLoopDeclickIn) {
1214 /* ... then the declick in on the next call */
1215 transport_sub_state &= ~PendingLoopDeclickIn;
1222 bool maybe_stop (framepos_t limit);
1223 bool maybe_sync_start (pframes_t &);
1225 void check_declick_out ();
1231 /** Number of process frames since the last MTC output (when sending MTC); used to
1232 * know when to send full MTC messages every so often.
1234 pframes_t _pframes_since_last_mtc;
1235 bool session_midi_feedback;
1238 framepos_t last_loopend;
1240 boost::scoped_ptr<SessionDirectory> _session_dir;
1243 void graph_reordered ();
1245 /** current snapshot name, without the .ardour suffix */
1246 void set_snapshot_name (const std::string &);
1247 void save_snapshot_name (const std::string &);
1248 std::string _current_snapshot_name;
1250 XMLTree* state_tree;
1251 bool state_was_pending;
1252 StateOfTheState _state_of_the_state;
1254 friend class StateProtector;
1255 gint _suspend_save; /* atomic */
1256 volatile bool _save_queued;
1257 Glib::Threads::Mutex save_state_lock;
1258 Glib::Threads::Mutex peak_cleanup_lock;
1260 int load_options (const XMLNode&);
1261 int load_state (std::string snapshot_name);
1263 framepos_t _last_roll_location;
1264 /** the session frame time at which we last rolled, located, or changed transport direction */
1265 framepos_t _last_roll_or_reversal_location;
1266 framepos_t _last_record_location;
1268 bool pending_locate_roll;
1269 framepos_t pending_locate_frame;
1270 bool pending_locate_flush;
1272 bool pending_auto_loop;
1276 static const PostTransportWork ProcessCannotProceedMask =
1278 PostTransportInputChange|
1280 PostTransportReverse|
1281 PostTransportCurveRealloc|
1282 PostTransportAudition|
1283 PostTransportLocate|
1285 PostTransportClearSubstate);
1287 gint _post_transport_work; /* accessed only atomic ops */
1288 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<gint*>(&_post_transport_work)); }
1289 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1290 void add_post_transport_work (PostTransportWork ptw);
1292 void schedule_playback_buffering_adjustment ();
1293 void schedule_capture_buffering_adjustment ();
1295 uint32_t cumulative_rf_motion;
1298 void set_rf_speed (float speed);
1299 void reset_rf_scale (framecnt_t frames_moved);
1301 Locations* _locations;
1302 void location_added (Location*);
1303 void location_removed (Location*);
1304 void locations_changed ();
1305 void _locations_changed (const Locations::LocationList&);
1307 void update_skips (Location*, bool consolidate);
1308 void update_marks (Location* loc);
1309 void consolidate_skips (Location*);
1310 void sync_locations_to_skips ();
1311 void _sync_locations_to_skips ();
1313 PBD::ScopedConnectionList skip_update_connections;
1314 bool _ignore_skips_updates;
1316 PBD::ScopedConnectionList punch_connections;
1317 void auto_punch_start_changed (Location *);
1318 void auto_punch_end_changed (Location *);
1319 void auto_punch_changed (Location *);
1321 PBD::ScopedConnectionList loop_connections;
1322 void auto_loop_changed (Location *);
1323 void auto_loop_declick_range (Location *, framepos_t &, framepos_t &);
1325 int ensure_engine (uint32_t desired_sample_rate);
1326 void pre_engine_init (std::string path);
1327 int post_engine_init ();
1328 int immediately_post_engine ();
1329 void remove_empty_sounds ();
1331 void session_loaded ();
1333 void setup_midi_control ();
1334 int midi_read (MIDI::Port *);
1336 void enable_record ();
1338 void increment_transport_position (framecnt_t val) {
1339 if (max_framepos - val < _transport_frame) {
1340 _transport_frame = max_framepos;
1342 _transport_frame += val;
1346 void decrement_transport_position (framecnt_t val) {
1347 if (val < _transport_frame) {
1348 _transport_frame -= val;
1350 _transport_frame = 0;
1354 void post_transport_motion ();
1355 static void *session_loader_thread (void *arg);
1359 /* Signal Forwarding */
1360 void emit_route_signals ();
1361 void emit_thread_run ();
1362 static void *emit_thread (void *);
1363 void emit_thread_start ();
1364 void emit_thread_terminate ();
1366 pthread_t _rt_emit_thread;
1367 bool _rt_thread_active;
1369 pthread_mutex_t _rt_emit_mutex;
1370 pthread_cond_t _rt_emit_cond;
1371 bool _rt_emit_pending;
1374 /* SessionEventManager interface */
1376 void process_event (SessionEvent*);
1377 void set_next_event ();
1378 void cleanup_event (SessionEvent*,int);
1380 /* MIDI Machine Control */
1383 void spp_continue ();
1386 void mmc_deferred_play (MIDI::MachineControl &);
1387 void mmc_stop (MIDI::MachineControl &);
1388 void mmc_step (MIDI::MachineControl &, int);
1389 void mmc_pause (MIDI::MachineControl &);
1390 void mmc_record_pause (MIDI::MachineControl &);
1391 void mmc_record_strobe (MIDI::MachineControl &);
1392 void mmc_record_exit (MIDI::MachineControl &);
1393 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1394 void mmc_fast_forward (MIDI::MachineControl &);
1395 void mmc_rewind (MIDI::MachineControl &);
1396 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1397 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1398 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1400 struct timeval last_mmc_step;
1403 typedef boost::function<bool()> MidiTimeoutCallback;
1404 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1406 MidiTimeoutList midi_timeouts;
1407 bool mmc_step_timeout ();
1408 void send_immediate_mmc (MIDI::MachineControlCommand);
1410 MIDI::byte mtc_msg[16];
1411 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1412 MIDI::byte midi_msg[16];
1413 double outbound_mtc_timecode_frame;
1414 Timecode::Time transmitting_timecode_time;
1415 int next_quarter_frame_to_send;
1417 double _frames_per_timecode_frame; /* has to be floating point because of drop frame */
1418 framecnt_t _frames_per_hour;
1419 framecnt_t _timecode_frames_per_hour;
1421 /* cache the most-recently requested time conversions. This helps when we
1422 * have multiple clocks showing the same time (e.g. the transport frame) */
1423 bool last_timecode_valid;
1424 framepos_t last_timecode_when;
1425 Timecode::Time last_timecode;
1427 bool _send_timecode_update; ///< Flag to send a full frame (Timecode) MTC message this cycle
1429 int send_midi_time_code_for_cycle (framepos_t, framepos_t, pframes_t nframes);
1431 LTCEncoder* ltc_encoder;
1432 ltcsnd_sample_t* ltc_enc_buf;
1434 Timecode::TimecodeFormat ltc_enc_tcformat;
1435 int32_t ltc_buf_off;
1436 int32_t ltc_buf_len;
1439 int32_t ltc_enc_byte;
1440 framepos_t ltc_enc_pos;
1442 framepos_t ltc_enc_off;
1444 framepos_t ltc_prev_cycle;
1446 framepos_t ltc_timecode_offset;
1447 bool ltc_timecode_negative_offset;
1449 LatencyRange ltc_out_latency;
1451 void ltc_tx_initialize();
1452 void ltc_tx_cleanup();
1453 void ltc_tx_reset();
1454 void ltc_tx_resync_latency();
1455 void ltc_tx_recalculate_position();
1456 void ltc_tx_parse_offset();
1457 void ltc_tx_send_time_code_for_cycle (framepos_t, framepos_t, double, double, pframes_t nframes);
1459 void reset_record_status ();
1461 int no_roll (pframes_t nframes);
1462 int fail_roll (pframes_t nframes);
1464 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1465 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1467 MidiControlUI* midi_control_ui;
1469 int start_midi_thread ();
1471 void set_play_loop (bool yn, double speed);
1472 void unset_play_loop ();
1473 void overwrite_some_buffers (Track *);
1474 void flush_all_inserts ();
1475 int micro_locate (framecnt_t distance);
1476 void locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false, bool with_mmc=true);
1477 void start_locate (framepos_t, bool with_roll, bool with_flush, bool for_loop_enabled=false, bool force=false);
1478 void force_locate (framepos_t frame, bool with_roll = false);
1479 void set_track_speed (Track *, double speed);
1480 void set_transport_speed (double speed, framepos_t destination_frame, bool abort = false, bool clear_state = false, bool as_default = false);
1481 void stop_transport (bool abort = false, bool clear_state = false);
1482 void start_transport ();
1483 void realtime_stop (bool abort, bool clear_state);
1484 void realtime_locate ();
1485 void non_realtime_start_scrub ();
1486 void non_realtime_set_speed ();
1487 void non_realtime_locate ();
1488 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1489 void non_realtime_overwrite (int entry_request_count, bool& finished);
1490 void post_transport ();
1491 void engine_halted ();
1492 void xrun_recovery ();
1493 void set_track_loop (bool);
1494 bool select_playhead_priority_target (framepos_t&);
1495 void follow_playhead_priority ();
1497 /* These are synchronous and so can only be called from within the process
1501 int send_full_time_code (framepos_t, pframes_t nframes);
1502 void send_song_position_pointer (framepos_t);
1504 TempoMap *_tempo_map;
1505 void tempo_map_changed (const PBD::PropertyChange&);
1507 /* edit/mix groups */
1509 int load_route_groups (const XMLNode&, int);
1511 std::list<RouteGroup *> _route_groups;
1512 RouteGroup* _all_route_group;
1516 boost::shared_ptr<Graph> _process_graph;
1518 SerializedRCUManager<RouteList> routes;
1520 void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, bool save);
1521 void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect);
1522 bool _adding_routes_in_progress;
1523 bool _reconnecting_routes_in_progress;
1524 bool _route_deletion_in_progress;
1526 uint32_t destructive_index;
1528 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1529 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1531 void route_processors_changed (RouteProcessorChange);
1533 bool find_route_name (std::string const &, uint32_t& id, std::string& name, bool);
1534 void count_existing_track_channels (ChanCount& in, ChanCount& out);
1535 void auto_connect_route (boost::shared_ptr<Route> route, ChanCount& existing_inputs, ChanCount& existing_outputs,
1536 bool with_lock, bool connect_inputs = true,
1537 ChanCount input_start = ChanCount (), ChanCount output_start = ChanCount ());
1538 void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
1540 /* track numbering */
1542 void reassign_track_numbers ();
1543 uint32_t _track_number_decimals;
1547 void route_listen_changed (bool group_override, boost::weak_ptr<Route>);
1548 void route_mute_changed (void *src);
1549 void route_solo_changed (bool self_solo_change, bool group_override, boost::weak_ptr<Route>);
1550 void route_solo_isolated_changed (void *src, boost::weak_ptr<Route>);
1551 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1553 void listen_position_changed ();
1554 void solo_control_mode_changed ();
1556 /* REGION MANAGEMENT */
1558 mutable Glib::Threads::Mutex region_lock;
1560 int load_regions (const XMLNode& node);
1561 int load_compounds (const XMLNode& node);
1563 void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
1564 void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
1565 void route_group_property_changed (RouteGroup *);
1569 mutable Glib::Threads::Mutex source_lock;
1572 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1575 void reset_write_sources (bool mark_write_complete, bool force = false);
1580 int load_sources (const XMLNode& node);
1581 XMLNode& get_sources_as_xml ();
1583 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1587 void remove_playlist (boost::weak_ptr<Playlist>);
1588 void track_playlist_changed (boost::weak_ptr<Track>);
1589 void playlist_region_added (boost::weak_ptr<Region>);
1590 void playlist_ranges_moved (std::list<Evoral::RangeMove<framepos_t> > const &);
1591 void playlist_regions_extended (std::list<Evoral::Range<framepos_t> > const &);
1593 /* CURVES and AUTOMATION LISTS */
1594 std::map<PBD::ID, AutomationList*> automation_lists;
1596 /* DEFAULT FADE CURVES */
1598 float default_fade_steepness;
1599 float default_fade_msecs;
1603 boost::shared_ptr<Auditioner> auditioner;
1604 void set_audition (boost::shared_ptr<Region>);
1605 void non_realtime_set_audition ();
1606 boost::shared_ptr<Region> pending_audition_region;
1612 int flatten_one_track (AudioTrack&, framepos_t start, framecnt_t cnt);
1614 /* INSERT AND SEND MANAGEMENT */
1616 boost::dynamic_bitset<uint32_t> send_bitset;
1617 boost::dynamic_bitset<uint32_t> aux_send_bitset;
1618 boost::dynamic_bitset<uint32_t> return_bitset;
1619 boost::dynamic_bitset<uint32_t> insert_bitset;
1623 struct space_and_path {
1624 uint32_t blocks; ///< 4kB blocks
1625 bool blocks_unknown; ///< true if blocks is unknown
1630 , blocks_unknown (true)
1634 struct space_and_path_ascending_cmp {
1635 bool operator() (space_and_path a, space_and_path b) {
1636 if (a.blocks_unknown != b.blocks_unknown) {
1637 return !a.blocks_unknown;
1639 return a.blocks > b.blocks;
1643 void setup_raid_path (std::string path);
1645 std::vector<space_and_path> session_dirs;
1646 std::vector<space_and_path>::iterator last_rr_session_dir;
1647 uint32_t _total_free_4k_blocks;
1648 /** If this is true, _total_free_4k_blocks is not definite,
1649 as one or more of the session directories' filesystems
1650 could not report free space.
1652 bool _total_free_4k_blocks_uncertain;
1653 Glib::Threads::Mutex space_lock;
1655 bool no_questions_about_missing_files;
1657 std::string get_best_session_directory_for_new_audio ();
1659 mutable gint _playback_load;
1660 mutable gint _capture_load;
1664 SerializedRCUManager<BundleList> _bundles;
1665 XMLNode* _bundle_xml_node;
1666 int load_bundles (XMLNode const &);
1668 UndoHistory _history;
1669 /** current undo transaction, or 0 */
1670 UndoTransaction* _current_trans;
1671 /** GQuarks to describe the reversible commands that are currently in progress.
1672 * These may be nested, in which case more recently-started commands are toward
1673 * the front of the list.
1675 std::list<GQuark> _current_trans_quarks;
1677 int backend_sync_callback (TransportState, framepos_t);
1679 void process_rtop (SessionEvent*);
1681 void update_latency (bool playback);
1683 XMLNode& state(bool);
1686 typedef std::list<Click*> Clicks;
1689 boost::shared_ptr<IO> _click_io;
1690 boost::shared_ptr<Amp> _click_gain;
1692 Sample* click_emphasis_data;
1693 framecnt_t click_length;
1694 framecnt_t click_emphasis_length;
1695 mutable Glib::Threads::RWLock click_lock;
1697 static const Sample default_click[];
1698 static const framecnt_t default_click_length;
1699 static const Sample default_click_emphasis[];
1700 static const framecnt_t default_click_emphasis_length;
1703 framepos_t _clicks_cleared;
1704 void setup_click_sounds (int which);
1705 void setup_click_sounds (Sample**, Sample const *, framecnt_t*, framecnt_t, std::string const &);
1706 void clear_clicks ();
1707 void click (framepos_t start, framecnt_t nframes);
1709 std::vector<Route*> master_outs;
1711 /* range playback */
1713 std::list<AudioRange> current_audio_range;
1715 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1716 void unset_play_range ();
1718 /* temporary hacks to allow selection to be pushed from GUI into backend
1719 Whenever we move the selection object into libardour, these will go away.
1721 Evoral::Range<framepos_t> _range_selection;
1722 Evoral::Range<framepos_t> _object_selection;
1727 boost::shared_ptr<Route> _master_out;
1728 boost::shared_ptr<Route> _monitor_out;
1730 void auto_connect_master_bus ();
1732 /* Windows VST support */
1734 long _windows_vst_callback (
1743 int find_all_sources (std::string path, std::set<std::string>& result);
1744 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1746 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1747 Glib::Threads::Mutex controllables_lock;
1748 Controllables controllables;
1750 boost::shared_ptr<PBD::Controllable> _solo_cut_control;
1752 void reset_native_file_format();
1753 bool first_file_data_format_reset;
1754 bool first_file_header_format_reset;
1756 void config_changed (std::string, bool);
1758 XMLNode& get_control_protocol_state ();
1760 void set_history_depth (uint32_t depth);
1762 static bool _disable_all_loaded_plugins;
1763 static bool _bypass_all_loaded_plugins;
1765 mutable bool have_looped; ///< Used in ::audible_frame(*)
1767 void update_route_record_state ();
1768 gint _have_rec_enabled_track;
1769 gint _have_rec_disabled_track;
1771 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
1773 /* realtime "apply to set of routes" operations */
1774 template<typename T> SessionEvent*
1775 get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, bool group_override,
1776 void (Session::*method) (boost::shared_ptr<RouteList>, T, bool)) {
1777 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
1778 ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
1779 ev->rt_return = after;
1780 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
1785 void rt_set_solo (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1786 void rt_clear_all_solo_state (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1787 void rt_set_just_one_solo (boost::shared_ptr<RouteList>, bool yn, bool /* ignored*/ );
1788 void rt_set_mute (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1789 void rt_set_listen (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1790 void rt_set_solo_isolated (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1791 void rt_set_record_enabled (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1792 void rt_set_record_safe (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1793 void rt_set_monitoring (boost::shared_ptr<RouteList>, MonitorChoice, bool group_override);
1795 /** temporary list of Diskstreams used only during load of 2.X sessions */
1796 std::list<boost::shared_ptr<Diskstream> > _diskstreams_2X;
1798 void set_session_range_location (framepos_t, framepos_t);
1800 void setup_midi_machine_control ();
1802 void step_edit_status_change (bool);
1803 uint32_t _step_editors;
1805 /** true if timecode transmission by the transport is suspended, otherwise false */
1806 mutable gint _suspend_timecode_transmission;
1808 void update_locations_after_tempo_map_change (const Locations::LocationList &);
1810 void start_time_changed (framepos_t);
1811 void end_time_changed (framepos_t);
1813 void set_track_monitor_input_status (bool);
1814 framepos_t compute_stop_limit () const;
1816 boost::shared_ptr<Speakers> _speakers;
1817 void load_nested_sources (const XMLNode& node);
1819 /** The directed graph of routes that is currently being used for audio processing
1820 and solo/mute computations.
1822 GraphEdges _current_route_graph;
1824 uint32_t next_control_id () const;
1825 int32_t _order_hint;
1826 bool ignore_route_processor_changes;
1828 MidiClockTicker* midi_clock;
1830 boost::shared_ptr<IO> _ltc_input;
1831 boost::shared_ptr<IO> _ltc_output;
1833 /* Scene Changing */
1834 SceneChanger* _scene_changer;
1836 /* persistent, non-track related MIDI ports */
1837 MidiPortManager* _midi_ports;
1838 MIDI::MachineControl* _mmc;
1841 void setup_click ();
1842 void setup_click_state (const XMLNode*);
1843 void setup_bundles ();
1845 void save_as_bring_callback (uint32_t, uint32_t, std::string);
1847 static int get_session_info_from_path (XMLTree& state_tree, const std::string& xmlpath);
1848 static const uint32_t session_end_shift;
1850 std::string _template_state_dir;
1854 } // namespace ARDOUR
1856 #endif /* __ardour_session_h__ */