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__
31 #include <boost/dynamic_bitset.hpp>
32 #include <boost/scoped_ptr.hpp>
33 #include <boost/weak_ptr.hpp>
34 #include <boost/utility.hpp>
36 #include <glibmm/thread.h>
38 #include "pbd/error.h"
40 #include "pbd/statefuldestructible.h"
41 #include "pbd/signals.h"
44 #include "midi++/mmc.h"
45 #include "midi++/types.h"
47 #include "ardour/ardour.h"
48 #include "ardour/click.h"
49 #include "ardour/chan_count.h"
50 #include "ardour/rc_configuration.h"
51 #include "ardour/session_configuration.h"
52 #include "ardour/session_event.h"
53 #include "ardour/location.h"
54 #include "ardour/timecode.h"
55 #include "ardour/interpolation.h"
57 #ifdef HAVE_JACK_SESSION
58 #include <jack/session.h>
71 class ControllableDescriptor;
81 class AudioFileSource;
91 class ControlProtocolInfo;
102 class NamedSelection;
115 class SessionDirectory;
116 class SessionMetadata;
117 class SessionPlaylists;
125 extern void setup_enum_writer ();
127 class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager
136 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
137 the bus profile can be null if no master out bus is required.
140 Session (AudioEngine&,
141 const std::string& fullpath,
142 const std::string& snapshot_name,
143 BusProfile* bus_profile = 0,
144 std::string mix_template = "");
148 std::string path() const { return _path; }
149 std::string name() const { return _name; }
150 std::string snap_name() const { return _current_snapshot_name; }
151 std::string raid_path () const;
152 bool path_is_within_session (const std::string&);
154 void set_snap_name ();
156 bool writable() const { return _writable; }
159 bool dirty() const { return _state_of_the_state & Dirty; }
160 void set_deletion_in_progress ();
161 void clear_deletion_in_progress ();
162 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
163 PBD::Signal0<void> DirtyChanged;
165 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
167 static PBD::Signal0<void> AutoBindingOn;
168 static PBD::Signal0<void> AutoBindingOff;
170 static PBD::Signal1<void,std::string> Dialog;
172 std::string sound_dir (bool with_path = true) const;
173 std::string peak_dir () const;
174 std::string dead_sound_dir () const;
175 std::string automation_dir () const;
176 std::string analysis_dir() const;
178 int ensure_subdirs ();
180 Glib::ustring peak_path (Glib::ustring) const;
182 static std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
184 std::string peak_path_from_audio_path (std::string) const;
185 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
186 std::string new_midi_source_name (const std::string&);
187 std::string new_source_path_from_name (DataType type, const std::string&);
188 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
190 void process (nframes_t nframes);
192 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
193 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
194 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
196 bool have_rec_enabled_track () const;
198 bool have_captured() const { return _have_captured; }
200 void refill_all_track_buffers ();
201 Butler* butler() { return _butler; }
202 void butler_transport_work ();
204 void refresh_disk_space ();
206 int load_diskstreams_2X (XMLNode const &, int);
208 int load_routes (const XMLNode&, int);
209 boost::shared_ptr<RouteList> get_routes() const {
210 return routes.reader ();
213 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
215 boost::shared_ptr<RouteList> get_routes_with_regions_at (nframes64_t const) const;
217 uint32_t nroutes() const { return routes.reader()->size(); }
218 uint32_t ntracks () const;
219 uint32_t nbusses () const;
221 boost::shared_ptr<BundleList> bundles () {
222 return _bundles.reader ();
225 struct RoutePublicOrderSorter {
226 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
229 void sync_order_keys (std::string const &);
231 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
232 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
233 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
235 bool io_name_is_legal (const std::string&);
236 boost::shared_ptr<Route> route_by_name (std::string);
237 boost::shared_ptr<Route> route_by_id (PBD::ID);
238 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
240 bool route_name_unique (std::string) const;
241 bool route_name_internal (std::string) const;
243 bool get_record_enabled() const {
244 return (record_status () >= Enabled);
247 RecordState record_status() const {
248 return (RecordState) g_atomic_int_get (&_record_status);
251 bool actively_recording () {
252 return record_status() == Recording;
255 bool record_enabling_legal () const;
256 void maybe_enable_record ();
257 void disable_record (bool rt_context, bool force = false);
258 void step_back_from_record ();
260 void maybe_write_autosave ();
262 /* Emitted when all i/o connections are complete */
264 PBD::Signal0<void> IOConnectionsComplete;
266 /* Record status signals */
268 PBD::Signal0<void> RecordStateChanged;
270 /* Transport mechanism signals */
272 PBD::Signal0<void> TransportStateChange; /* generic */
273 PBD::Signal1<void,nframes64_t> PositionChanged; /* sent after any non-sequential motion */
274 PBD::Signal1<void,nframes64_t> Xrun;
275 PBD::Signal0<void> TransportLooped;
277 /** emitted when a locate has occurred */
278 PBD::Signal0<void> Located;
280 PBD::Signal1<void,RouteList&> RouteAdded;
281 PBD::Signal0<void> RouteGroupChanged;
283 void queue_event (SessionEvent*);
285 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
286 void request_bounded_roll (nframes_t start, nframes_t end);
287 void request_stop (bool abort = false, bool clear_state = false);
288 void request_locate (nframes_t frame, bool with_roll = false);
290 void request_play_loop (bool yn, bool leave_rolling = false);
291 bool get_play_loop () const { return play_loop; }
293 nframes_t last_transport_start() const { return _last_roll_location; }
296 void set_session_start (nframes_t);
297 void set_session_end (nframes_t);
298 void use_rf_shuttle_speed ();
299 void allow_auto_play (bool yn);
300 void request_transport_speed (double speed);
301 void request_overwrite_buffer (Track *);
302 void adjust_playback_buffering();
303 void adjust_capture_buffering();
304 void request_track_speed (Track *, double speed);
305 void request_input_change_handling ();
307 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
308 bool transport_locked () const;
312 std::pair<nframes_t, nframes_t> get_extent () const;
313 nframes_t current_end_frame () const;
314 nframes_t current_start_frame () const;
315 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
316 nframes_t frame_rate() const { return _current_frame_rate; }
317 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
318 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
319 nframes_t frames_per_hour() const { return _frames_per_hour; }
321 double frames_per_timecode_frame() const { return _frames_per_timecode_frame; }
322 nframes_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
324 MIDI::byte get_mtc_timecode_bits() const {
325 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
328 float timecode_frames_per_second() const;
329 bool timecode_drop_frames() const;
333 Locations *locations() { return &_locations; }
335 PBD::Signal1<void,Location*> auto_loop_location_changed;
336 PBD::Signal1<void,Location*> auto_punch_location_changed;
337 PBD::Signal0<void> locations_modified;
339 void set_auto_punch_location (Location *);
340 void set_auto_loop_location (Location *);
341 int location_name(std::string& result, std::string base = std::string(""));
343 void reset_input_monitor_state ();
345 nframes_t get_block_size() const { return current_block_size; }
346 nframes_t worst_output_latency () const { return _worst_output_latency; }
347 nframes_t worst_input_latency () const { return _worst_input_latency; }
348 nframes_t worst_track_latency () const { return _worst_track_latency; }
350 #ifdef HAVE_JACK_SESSION
351 void jack_session_event (jack_session_event_t* event);
353 int save_state (std::string snapshot_name, bool pending = false, bool switch_to_snapshot = false);
354 int restore_state (std::string snapshot_name);
355 int save_template (std::string template_name);
356 int save_history (std::string snapshot_name = "");
357 int restore_history (std::string snapshot_name);
358 void remove_state (std::string snapshot_name);
359 void rename_state (std::string old_name, std::string new_name);
360 void remove_pending_capture_state ();
362 static int rename_template (std::string old_name, std::string new_name);
363 static int delete_template (std::string name);
365 PBD::Signal1<void,std::string> StateSaved;
366 PBD::Signal0<void> StateReady;
368 std::vector<std::string*>* possible_states() const;
369 static std::vector<std::string*>* possible_states (std::string path);
371 XMLNode& get_state();
372 int set_state(const XMLNode& node, int version); // not idempotent
373 XMLNode& get_template();
375 /// The instant xml file is written to the session directory
376 void add_instant_xml (XMLNode&, bool write_to_config = true);
377 XMLNode* instant_xml (const std::string& str);
379 enum StateOfTheState {
384 InitialConnecting = 0x8,
389 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
391 void add_route_group (RouteGroup *);
392 void remove_route_group (RouteGroup&);
394 RouteGroup *route_group_by_name (std::string);
396 PBD::Signal1<void,RouteGroup*> route_group_added;
397 PBD::Signal0<void> route_group_removed;
399 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
400 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
405 /* fundamental operations. duh. */
407 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
408 int input_channels, int output_channels, TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
411 RouteList new_audio_route (bool aux, int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many);
413 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
414 TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
417 void remove_route (boost::shared_ptr<Route>);
418 void resort_routes ();
419 void resort_routes_using (boost::shared_ptr<RouteList>);
421 void set_remote_control_ids();
423 AudioEngine & engine() { return _engine; }
424 AudioEngine const & engine () const { return _engine; }
428 nframes64_t transport_frame () const {return _transport_frame; }
429 nframes64_t audible_frame () const;
430 nframes64_t requested_return_frame() const { return _requested_return_frame; }
444 void sync_time_vars();
446 void bbt_time (nframes_t when, BBT_Time&);
447 void timecode_to_sample(Timecode::Time& timecode, nframes_t& sample, bool use_offset, bool use_subframes) const;
448 void sample_to_timecode(nframes_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
449 void timecode_time (Timecode::Time &);
450 void timecode_time (nframes_t when, Timecode::Time&);
451 void timecode_time_subframes (nframes_t when, Timecode::Time&);
453 void timecode_duration (nframes_t, Timecode::Time&) const;
454 void timecode_duration_string (char *, nframes_t) const;
456 void set_timecode_offset (nframes_t);
457 nframes_t timecode_offset () const { return _timecode_offset; }
458 void set_timecode_offset_negative (bool);
459 bool timecode_offset_negative () const { return _timecode_offset_negative; }
461 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
463 static PBD::Signal0<void> StartTimeChanged;
464 static PBD::Signal0<void> EndTimeChanged;
465 static PBD::Signal0<void> TimecodeOffsetChanged;
467 std::vector<SyncSource> get_available_sync_options() const;
468 void request_sync_source (Slave*);
469 bool synced_to_jack() const { return config.get_external_sync() && config.get_sync_source() == JACK; }
471 double transport_speed() const { return _transport_speed; }
472 bool transport_stopped() const { return _transport_speed == 0.0f; }
473 bool transport_rolling() const { return _transport_speed != 0.0f; }
475 void set_silent (bool yn);
476 bool silent () { return _silent; }
478 int jack_slave_sync (nframes_t);
480 TempoMap& tempo_map() { return *_tempo_map; }
482 /// signals the current transport position in frames, bbt and timecode time (in that order)
483 PBD::Signal3<void,const nframes_t&, const BBT_Time&, const Timecode::Time&> tick;
487 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
489 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
491 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
492 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
493 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
495 /* source management */
497 void import_audiofiles (ImportStatus&);
498 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
499 std::string build_tmp_convert_name (std::string file);
501 boost::shared_ptr<ExportHandler> get_export_handler ();
502 boost::shared_ptr<ExportStatus> get_export_status ();
504 int start_audio_export (nframes_t position, bool realtime);
506 PBD::Signal1<int,nframes_t> ProcessExport;
507 static PBD::Signal2<void,std::string, std::string> Exported;
509 void add_source (boost::shared_ptr<Source>);
510 void remove_source (boost::weak_ptr<Source>);
512 int cleanup_sources (CleanupReport&);
513 int cleanup_trash_sources (CleanupReport&);
515 int destroy_sources (std::list<boost::shared_ptr<Source> >);
517 int remove_last_capture ();
519 /** handlers should return -1 for "stop cleanup",
520 0 for "yes, delete this playlist",
521 1 for "no, don't delete this playlist".
523 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
525 /** handlers should return 0 for "ignore the rate mismatch",
526 !0 for "do not use this session"
528 static PBD::Signal2<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
530 /** handlers should return !0 for use pending state, 0 for ignore it.
532 static PBD::Signal0<int> AskAboutPendingState;
534 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (size_t, std::string const &, uint32_t, bool);
536 boost::shared_ptr<MidiSource> create_midi_source_for_session (Track*, std::string const &);
538 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
539 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
541 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
543 /* named selections */
545 boost::shared_ptr<NamedSelection> named_selection_by_name (std::string name);
546 void add_named_selection (boost::shared_ptr<NamedSelection>);
547 void remove_named_selection (boost::shared_ptr<NamedSelection>);
549 template<class T> void foreach_named_selection (T& obj, void (T::*func)(boost::shared_ptr<NamedSelection>));
550 PBD::Signal0<void> NamedSelectionAdded;
551 PBD::Signal0<void> NamedSelectionRemoved;
553 /* Curves and AutomationLists (TODO when they go away) */
554 void add_automation_list(AutomationList*);
558 float get_default_fade_length () const { return default_fade_msecs; }
559 float get_default_fade_steepness () const { return default_fade_steepness; }
560 void set_default_fade (float steepness, float msecs);
564 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
565 void audition_playlist ();
566 void audition_region (boost::shared_ptr<Region>);
567 void cancel_audition ();
568 bool is_auditioning () const;
570 PBD::Signal1<void,bool> AuditionActive;
572 /* flattening stuff */
574 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
575 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
576 bool enable_processing = true);
577 int freeze_all (InterThreadInfo&);
579 /* session-wide solo/mute/rec-enable */
581 bool soloing() const { return _non_soloed_outs_muted; }
582 bool listening() const { return _listen_cnt > 0; }
583 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
585 static const SessionEvent::RTeventCallback rt_cleanup;
587 void set_solo (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
588 void set_just_one_solo (boost::shared_ptr<Route>, bool, SessionEvent::RTeventCallback after = rt_cleanup);
589 void set_mute (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
590 void set_listen (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
591 void set_record_enable (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
592 void set_solo_isolated (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
594 PBD::Signal1<void,bool> SoloActive;
595 PBD::Signal0<void> SoloChanged;
596 PBD::Signal0<void> IsolatedChanged;
598 /* control/master out */
600 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
601 boost::shared_ptr<Route> master_out() const { return _master_out; }
603 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p);
604 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
605 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
606 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
607 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
609 static void set_disable_all_loaded_plugins (bool yn) {
610 _disable_all_loaded_plugins = yn;
612 static bool get_disable_all_loaded_plugins() {
613 return _disable_all_loaded_plugins;
616 uint32_t next_send_id();
617 uint32_t next_return_id();
618 uint32_t next_insert_id();
619 void mark_send_id (uint32_t);
620 void mark_return_id (uint32_t);
621 void mark_insert_id (uint32_t);
622 void unmark_send_id (uint32_t);
623 void unmark_return_id (uint32_t);
624 void unmark_insert_id (uint32_t);
626 /* s/w "RAID" management */
628 nframes_t available_capture_duration();
632 void add_bundle (boost::shared_ptr<Bundle>);
633 void remove_bundle (boost::shared_ptr<Bundle>);
634 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
636 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleAdded;
637 PBD::Signal1<void,boost::shared_ptr<Bundle> > BundleRemoved;
641 void midi_panic(void);
642 int set_mtc_port (std::string port_tag);
643 int set_mmc_port (std::string port_tag);
644 int set_midi_port (std::string port_tag);
645 int set_midi_clock_port (std::string port_tag);
646 MIDI::Port *mtc_port() const { return _mtc_port; }
647 MIDI::Port *mmc_port() const { return _mmc_port; }
648 MIDI::Port *midi_port() const { return _midi_port; }
649 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
651 PBD::Signal0<void> MTC_PortChanged;
652 PBD::Signal0<void> MMC_PortChanged;
653 PBD::Signal0<void> MIDI_PortChanged;
654 PBD::Signal0<void> MIDIClock_PortChanged;
656 void set_trace_midi_input (bool, MIDI::Port* port = 0);
657 void set_trace_midi_output (bool, MIDI::Port* port = 0);
659 bool get_trace_midi_input(MIDI::Port *port = 0);
660 bool get_trace_midi_output(MIDI::Port *port = 0);
662 void set_mmc_receive_device_id (uint32_t id);
663 void set_mmc_send_device_id (uint32_t id);
667 void start_scrub (nframes_t where);
669 void set_scrub_speed (float);
670 nframes_t scrub_buffer_size() const;
671 PBD::Signal0<void> ScrubReady;
673 /* History (for editors, mixers, UIs etc.) */
675 /** Undo some transactions.
676 * @param n Number of transactions to undo.
678 void undo (uint32_t n) {
682 void redo (uint32_t n) {
686 UndoHistory& history() { return _history; }
688 uint32_t undo_depth() const { return _history.undo_depth(); }
689 uint32_t redo_depth() const { return _history.redo_depth(); }
690 std::string next_undo() const { return _history.next_undo(); }
691 std::string next_redo() const { return _history.next_redo(); }
693 void begin_reversible_command (const std::string& cmd_name);
694 void commit_reversible_command (Command* cmd = 0);
696 UndoTransaction* start_reversible_command (const std::string& cmd_name);
697 void finish_reversible_command (UndoTransaction&);
699 void add_command (Command *const cmd) {
700 assert(!_current_trans.empty ());
701 _current_trans.top()->add_command (cmd);
704 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
706 // these commands are implemented in libs/ardour/session_command.cc
707 Command* memento_command_factory(XMLNode* n);
708 Command* stateful_diff_command_factory (XMLNode *);
709 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
713 boost::shared_ptr<IO> click_io() { return _click_io; }
715 /* disk, buffer loads */
717 uint32_t playback_load ();
718 uint32_t capture_load ();
722 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
723 bool get_play_range () const { return _play_range; }
725 /* buffers for gain and pan */
727 gain_t* gain_automation_buffer () const;
728 pan_t** pan_automation_buffer () const;
730 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
734 static long vst_callback (AEffect* effect,
741 static PBD::Signal0<void> SendFeedback;
745 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
746 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const PBD::ControllableDescriptor&);
748 void add_controllable (boost::shared_ptr<PBD::Controllable>);
749 void remove_controllable (PBD::Controllable*);
751 SessionMetadata & metadata () { return *_metadata; }
753 SessionConfiguration config;
755 bool exporting () const {
759 /* this is a private enum, but setup_enum_writer() needs it,
760 and i can't find a way to give that function
764 enum PostTransportWork {
765 PostTransportStop = 0x1,
766 PostTransportDisableRecord = 0x2,
767 PostTransportPosition = 0x8,
768 PostTransportDidRecord = 0x20,
769 PostTransportDuration = 0x40,
770 PostTransportLocate = 0x80,
771 PostTransportRoll = 0x200,
772 PostTransportAbort = 0x800,
773 PostTransportOverWrite = 0x1000,
774 PostTransportSpeed = 0x2000,
775 PostTransportAudition = 0x4000,
776 PostTransportScrub = 0x8000,
777 PostTransportReverse = 0x10000,
778 PostTransportInputChange = 0x20000,
779 PostTransportCurveRealloc = 0x40000,
780 PostTransportClearSubstate = 0x80000,
781 PostTransportAdjustPlaybackBuffering = 0x100000,
782 PostTransportAdjustCaptureBuffering = 0x200000
791 SlaveState slave_state() const { return _slave_state; }
793 boost::shared_ptr<SessionPlaylists> playlists;
796 friend class AudioEngine;
797 void set_block_size (nframes_t nframes);
798 void set_frame_rate (nframes_t nframes);
802 void schedule_curve_reallocation ();
803 void update_latency_compensation (bool, bool);
806 int create (const std::string& mix_template, BusProfile*);
810 PendingDeclickIn = 0x1,
811 PendingDeclickOut = 0x2,
812 StopPendingCapture = 0x4,
813 AutoReturning = 0x10,
814 PendingLocate = 0x20,
815 PendingSetLoop = 0x40
818 /* stuff used in process() should be close together to
822 typedef void (Session::*process_function_type)(nframes_t);
824 AudioEngine& _engine;
825 mutable gint processing_prohibited;
826 process_function_type process_function;
827 process_function_type last_process_function;
828 bool waiting_for_sync_offset;
829 nframes_t _base_frame_rate;
830 nframes_t _current_frame_rate; //this includes video pullup offset
831 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
832 int transport_sub_state;
833 mutable gint _record_status;
834 volatile nframes64_t _transport_frame;
835 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
839 // varispeed playback
840 volatile double _transport_speed;
841 double _last_transport_speed;
842 double _target_transport_speed;
843 CubicInterpolation interpolation;
845 bool auto_play_legal;
846 nframes64_t _last_slave_transport_frame;
847 nframes_t maximum_output_latency;
848 volatile nframes64_t _requested_return_frame;
849 nframes_t current_block_size;
850 nframes_t _worst_output_latency;
851 nframes_t _worst_input_latency;
852 nframes_t _worst_track_latency;
855 float _meter_falloff;
856 bool _non_soloed_outs_muted;
857 uint32_t _listen_cnt;
858 uint32_t _solo_isolated_cnt;
862 void set_worst_io_latencies ();
863 void set_worst_io_latencies_x (IOChange, void *) {
864 set_worst_io_latencies ();
867 void update_latency_compensation_proxy (void* ignored);
869 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
871 void process_scrub (nframes_t);
872 void process_without_events (nframes_t);
873 void process_with_events (nframes_t);
874 void process_audition (nframes_t);
875 void process_export (nframes_t);
876 int process_export_fw (nframes_t);
878 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
879 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
880 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
882 Glib::Mutex process_thread_lock;
883 std::list<ProcessThread*> process_threads;
887 static const int delta_accumulator_size = 25;
888 int delta_accumulator_cnt;
889 long delta_accumulator[delta_accumulator_size];
890 long average_slave_delta;
892 bool have_first_delta_accumulator;
894 SlaveState _slave_state;
895 nframes_t slave_wait_end;
897 void reset_slave_state ();
898 bool follow_slave (nframes_t);
899 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
900 void track_slave_state(float slave_speed, nframes_t slave_transport_frame, nframes_t this_delta);
901 void follow_slave_silently(nframes_t nframes, float slave_speed);
903 void switch_to_sync_source (SyncSource); /* !RT context */
904 void drop_sync_source (); /* !RT context */
905 void use_sync_source (Slave*); /* RT context */
907 bool post_export_sync;
908 nframes_t post_export_position;
911 bool _export_rolling;
913 boost::shared_ptr<ExportHandler> export_handler;
914 boost::shared_ptr<ExportStatus> export_status;
917 int stop_audio_export ();
918 void finalize_audio_export ();
920 PBD::ScopedConnection export_freewheel_connection;
922 void get_track_statistics ();
923 int process_routes (nframes_t, bool& need_butler);
924 int silent_process_routes (nframes_t, bool& need_butler);
926 bool get_rec_monitors_input () {
927 if (actively_recording()) {
930 if (config.get_auto_input()) {
938 int get_transport_declick_required () {
939 if (transport_sub_state & PendingDeclickIn) {
940 transport_sub_state &= ~PendingDeclickIn;
942 } else if (transport_sub_state & PendingDeclickOut) {
949 bool maybe_stop (nframes_t limit);
950 bool maybe_sync_start (nframes_t&);
952 void check_declick_out ();
954 MIDI::MachineControl* mmc;
955 MIDI::Port* _mmc_port;
956 MIDI::Port* _mtc_port;
957 MIDI::Port* _midi_port;
958 MIDI::Port* _midi_clock_port;
962 bool session_send_mmc;
963 bool session_send_mtc;
964 bool session_midi_feedback;
967 nframes_t last_loopend;
969 boost::scoped_ptr<SessionDirectory> _session_dir;
972 void when_engine_running ();
973 void graph_reordered ();
975 std::string _current_snapshot_name;
978 bool state_was_pending;
979 StateOfTheState _state_of_the_state;
982 int load_options (const XMLNode&);
983 int load_state (std::string snapshot_name);
985 nframes_t _last_roll_location;
986 nframes_t _last_roll_or_reversal_location;
987 nframes_t _last_record_location;
989 bool pending_locate_roll;
990 nframes_t pending_locate_frame;
991 bool pending_locate_flush;
993 bool pending_auto_loop;
997 #if 0 // these should be here, see comments in their other location above
998 enum PostTransportWork {
999 PostTransportStop = 0x1,
1000 PostTransportDisableRecord = 0x2,
1001 PostTransportPosition = 0x8,
1002 PostTransportDidRecord = 0x20,
1003 PostTransportDuration = 0x40,
1004 PostTransportLocate = 0x80,
1005 PostTransportRoll = 0x200,
1006 PostTransportAbort = 0x800,
1007 PostTransportOverWrite = 0x1000,
1008 PostTransportSpeed = 0x2000,
1009 PostTransportAudition = 0x4000,
1010 PostTransportScrub = 0x8000,
1011 PostTransportReverse = 0x10000,
1012 PostTransportInputChange = 0x20000,
1013 PostTransportCurveRealloc = 0x40000,
1014 PostTransportClearSubstate = 0x80000
1017 static const PostTransportWork ProcessCannotProceedMask =
1019 PostTransportInputChange|
1021 PostTransportReverse|
1022 PostTransportCurveRealloc|
1024 PostTransportAudition|
1025 PostTransportLocate|
1027 PostTransportClearSubstate);
1029 gint _post_transport_work; /* accessed only atomic ops */
1030 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (&_post_transport_work); }
1031 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1032 void add_post_transport_work (PostTransportWork ptw);
1034 void schedule_playback_buffering_adjustment ();
1035 void schedule_capture_buffering_adjustment ();
1037 uint32_t cumulative_rf_motion;
1040 void set_rf_speed (float speed);
1041 void reset_rf_scale (nframes_t frames_moved);
1043 Locations _locations;
1044 void locations_changed ();
1045 void locations_added (Location*);
1046 void handle_locations_changed (Locations::LocationList&);
1048 PBD::ScopedConnectionList punch_connections;
1049 void auto_punch_start_changed (Location *);
1050 void auto_punch_end_changed (Location *);
1051 void auto_punch_changed (Location *);
1053 PBD::ScopedConnectionList loop_connections;
1054 void auto_loop_changed (Location *);
1056 void first_stage_init (std::string path, std::string snapshot_name);
1057 int second_stage_init ();
1058 void update_session_range_location_marker ();
1059 void remove_empty_sounds ();
1061 void setup_midi_control ();
1062 int midi_read (MIDI::Port *);
1064 void enable_record ();
1066 void increment_transport_position (uint32_t val) {
1067 if (max_frames - val < _transport_frame) {
1068 _transport_frame = max_frames;
1070 _transport_frame += val;
1074 void decrement_transport_position (uint32_t val) {
1075 if (val < _transport_frame) {
1076 _transport_frame -= val;
1078 _transport_frame = 0;
1082 void post_transport_motion ();
1083 static void *session_loader_thread (void *arg);
1087 /* SessionEventManager interface */
1089 void process_event (SessionEvent*);
1090 void set_next_event ();
1091 void cleanup_event (SessionEvent*,int);
1093 /* MIDI Machine Control */
1095 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1097 void spp_start (MIDI::Parser&, nframes_t timestamp);
1098 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1099 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1101 void mmc_deferred_play (MIDI::MachineControl &);
1102 void mmc_stop (MIDI::MachineControl &);
1103 void mmc_step (MIDI::MachineControl &, int);
1104 void mmc_pause (MIDI::MachineControl &);
1105 void mmc_record_pause (MIDI::MachineControl &);
1106 void mmc_record_strobe (MIDI::MachineControl &);
1107 void mmc_record_exit (MIDI::MachineControl &);
1108 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1109 void mmc_fast_forward (MIDI::MachineControl &);
1110 void mmc_rewind (MIDI::MachineControl &);
1111 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1112 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1113 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1115 struct timeval last_mmc_step;
1118 typedef boost::function<bool()> MidiTimeoutCallback;
1119 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1121 MidiTimeoutList midi_timeouts;
1122 bool mmc_step_timeout ();
1124 MIDI::byte mmc_buffer[32];
1125 MIDI::byte mtc_msg[16];
1126 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1127 MIDI::byte midi_msg[16];
1128 nframes_t outbound_mtc_timecode_frame;
1129 Timecode::Time transmitting_timecode_time;
1130 int next_quarter_frame_to_send;
1132 double _frames_per_timecode_frame; /* has to be floating point because of drop frame */
1133 nframes_t _frames_per_hour;
1134 nframes_t _timecode_frames_per_hour;
1135 nframes_t _timecode_offset;
1136 bool _timecode_offset_negative;
1138 /* cache the most-recently requested time conversions. This helps when we
1139 * have multiple clocks showing the same time (e.g. the transport frame) */
1140 bool last_timecode_valid;
1141 nframes_t last_timecode_when;
1142 Timecode::Time last_timecode;
1144 bool _send_timecode_update; ///< Flag to send a full frame (Timecode) MTC message this cycle
1146 int send_full_time_code(nframes_t nframes);
1147 int send_midi_time_code_for_cycle(nframes_t nframes);
1149 nframes_t adjust_apparent_position (nframes_t frames);
1151 void reset_record_status ();
1153 int no_roll (nframes_t nframes);
1154 int fail_roll (nframes_t nframes);
1156 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1157 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1159 MidiControlUI* midi_control_ui;
1161 int start_midi_thread ();
1162 void terminate_midi_thread ();
1164 int use_config_midi_ports ();
1166 void set_play_loop (bool yn);
1167 void unset_play_loop ();
1168 void overwrite_some_buffers (Track *);
1169 void flush_all_inserts ();
1170 int micro_locate (nframes_t distance);
1171 void locate (nframes64_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false);
1172 void start_locate (nframes64_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false);
1173 void force_locate (nframes64_t frame, bool with_roll = false);
1174 void set_track_speed (Track *, double speed);
1175 void set_transport_speed (double speed, bool abort = false, bool clear_state = false);
1176 void stop_transport (bool abort = false, bool clear_state = false);
1177 void start_transport ();
1178 void realtime_stop (bool abort, bool clear_state);
1179 void non_realtime_start_scrub ();
1180 void non_realtime_set_speed ();
1181 void non_realtime_locate ();
1182 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1183 void non_realtime_overwrite (int entry_request_count, bool& finished);
1184 void post_transport ();
1185 void engine_halted ();
1186 void xrun_recovery ();
1188 TempoMap *_tempo_map;
1189 void tempo_map_changed (const PBD::PropertyChange&);
1191 /* edit/mix groups */
1193 int load_route_groups (const XMLNode&, int);
1195 std::list<RouteGroup *> _route_groups;
1199 boost::shared_ptr<Graph> route_graph;
1201 SerializedRCUManager<RouteList> routes;
1203 void add_routes (RouteList&, bool save);
1204 uint32_t destructive_index;
1206 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1207 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1209 void route_processors_changed (RouteProcessorChange);
1211 bool find_route_name (const char* base, uint32_t& id, char* name, size_t name_len);
1212 void count_existing_route_channels (ChanCount& in, ChanCount& out);
1213 void auto_connect_route (boost::shared_ptr<Route> route,
1214 ChanCount& existing_inputs, ChanCount& existing_outputs);
1218 bool solo_update_disabled;
1220 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1221 void route_mute_changed (void *src);
1222 void route_solo_changed (bool self_solo_change, void *src, boost::weak_ptr<Route>);
1223 void route_solo_isolated_changed (void *src, boost::weak_ptr<Route>);
1224 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1226 void listen_position_changed ();
1227 void solo_control_mode_changed ();
1229 /* REGION MANAGEMENT */
1231 mutable Glib::Mutex region_lock;
1233 int load_regions (const XMLNode& node);
1235 void route_group_changed ();
1239 mutable Glib::Mutex source_lock;
1240 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1245 SourceMap get_sources() { return sources; }
1248 int load_sources (const XMLNode& node);
1249 XMLNode& get_sources_as_xml ();
1251 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1255 void remove_playlist (boost::weak_ptr<Playlist>);
1256 void playlist_length_changed ();
1257 void track_playlist_changed (boost::weak_ptr<Track>);
1259 /* NAMED SELECTIONS */
1261 mutable Glib::Mutex named_selection_lock;
1262 typedef std::set<boost::shared_ptr<NamedSelection> > NamedSelectionList;
1263 NamedSelectionList named_selections;
1265 int load_named_selections (const XMLNode&);
1267 NamedSelection *named_selection_factory (std::string name);
1268 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1270 /* CURVES and AUTOMATION LISTS */
1271 std::map<PBD::ID, AutomationList*> automation_lists;
1273 /* DEFAULT FADE CURVES */
1275 float default_fade_steepness;
1276 float default_fade_msecs;
1280 boost::shared_ptr<Auditioner> auditioner;
1281 void set_audition (boost::shared_ptr<Region>);
1282 void non_realtime_set_audition ();
1283 boost::shared_ptr<Region> pending_audition_region;
1289 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1291 /* INSERT AND SEND MANAGEMENT */
1293 boost::dynamic_bitset<uint32_t> send_bitset;
1294 boost::dynamic_bitset<uint32_t> return_bitset;
1295 boost::dynamic_bitset<uint32_t> insert_bitset;
1299 struct space_and_path {
1300 uint32_t blocks; /* 4kB blocks */
1308 struct space_and_path_ascending_cmp {
1309 bool operator() (space_and_path a, space_and_path b) {
1310 return a.blocks > b.blocks;
1314 void setup_raid_path (std::string path);
1316 std::vector<space_and_path> session_dirs;
1317 std::vector<space_and_path>::iterator last_rr_session_dir;
1318 uint32_t _total_free_4k_blocks;
1319 Glib::Mutex space_lock;
1321 std::string get_best_session_directory_for_new_source ();
1323 mutable gint _playback_load;
1324 mutable gint _capture_load;
1328 SerializedRCUManager<BundleList> _bundles;
1329 XMLNode* _bundle_xml_node;
1330 int load_bundles (XMLNode const &);
1332 void reverse_track_buffers ();
1334 UndoHistory _history;
1335 std::stack<UndoTransaction*> _current_trans;
1337 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1338 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1339 void reset_jack_connection (jack_client_t* jack);
1340 void process_rtop (SessionEvent*);
1342 XMLNode& state(bool);
1348 boost::shared_ptr<IO> _click_io;
1350 Sample* click_emphasis_data;
1351 nframes_t click_length;
1352 nframes_t click_emphasis_length;
1353 mutable Glib::RWLock click_lock;
1355 static const Sample default_click[];
1356 static const nframes_t default_click_length;
1357 static const Sample default_click_emphasis[];
1358 static const nframes_t default_click_emphasis_length;
1361 void setup_click_sounds (int which);
1362 void clear_clicks ();
1363 void click (nframes_t start, nframes_t nframes);
1365 std::vector<Route*> master_outs;
1367 /* range playback */
1369 std::list<AudioRange> current_audio_range;
1371 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1372 void unset_play_range ();
1377 boost::shared_ptr<Route> _master_out;
1378 boost::shared_ptr<Route> _monitor_out;
1382 long _vst_callback (VSTPlugin*,
1389 /* number of hardware ports we're using,
1390 based on max (requested,available)
1393 uint32_t n_physical_outputs;
1394 uint32_t n_physical_inputs;
1396 uint32_t n_physical_audio_outputs;
1397 uint32_t n_physical_audio_inputs;
1399 uint32_t n_physical_midi_outputs;
1400 uint32_t n_physical_midi_inputs;
1402 int find_all_sources (std::string path, std::set<std::string>& result);
1403 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1405 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1406 Glib::Mutex controllables_lock;
1407 Controllables controllables;
1409 void reset_native_file_format();
1410 bool first_file_data_format_reset;
1411 bool first_file_header_format_reset;
1413 void config_changed (std::string, bool);
1415 XMLNode& get_control_protocol_state ();
1417 void set_history_depth (uint32_t depth);
1418 void sync_order_keys ();
1420 static bool _disable_all_loaded_plugins;
1422 SessionMetadata * _metadata;
1424 mutable bool have_looped; ///< Used in ::audible_frame(*)
1426 void update_have_rec_enabled_track ();
1427 gint _have_rec_enabled_track;
1429 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
1431 /* realtime "apply to set of routes" operations */
1432 SessionEvent* get_rt_event (boost::shared_ptr<RouteList> rl, bool yn, SessionEvent::RTeventCallback after, bool group_override,
1433 void (Session::*method) (boost::shared_ptr<RouteList>, bool, bool));
1435 void rt_set_solo (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1436 void rt_set_just_one_solo (boost::shared_ptr<RouteList>, bool yn, bool /* ignored*/ );
1437 void rt_set_mute (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1438 void rt_set_listen (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1439 void rt_set_solo_isolated (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1440 void rt_set_record_enable (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1442 /** temporary list of Diskstreams used only during load of 2.X sessions */
1443 std::list<boost::shared_ptr<Diskstream> > _diskstreams_2X;
1445 void add_session_range_location (nframes_t, nframes_t);
1450 } // namespace ARDOUR
1452 #endif /* __ardour_session_h__ */