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;
124 extern void setup_enum_writer ();
126 class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager
135 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
136 the bus profile can be null if no master out bus is required.
139 Session (AudioEngine&,
140 const std::string& fullpath,
141 const std::string& snapshot_name,
142 BusProfile* bus_profile = 0,
143 std::string mix_template = "");
147 std::string path() const { return _path; }
148 std::string name() const { return _name; }
149 std::string snap_name() const { return _current_snapshot_name; }
150 std::string raid_path () const;
151 bool path_is_within_session (const std::string&);
153 void set_snap_name ();
155 bool writable() const { return _writable; }
158 bool dirty() const { return _state_of_the_state & Dirty; }
159 void set_deletion_in_progress ();
160 void clear_deletion_in_progress ();
161 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
162 PBD::Signal0<void> DirtyChanged;
164 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
166 static PBD::Signal0<void> AutoBindingOn;
167 static PBD::Signal0<void> AutoBindingOff;
169 static PBD::Signal1<void,std::string> Dialog;
171 std::string sound_dir (bool with_path = true) const;
172 std::string peak_dir () const;
173 std::string dead_sound_dir () const;
174 std::string automation_dir () const;
175 std::string analysis_dir() const;
177 int ensure_subdirs ();
179 Glib::ustring peak_path (Glib::ustring) const;
181 static std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
183 std::string peak_path_from_audio_path (std::string) const;
184 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
185 std::string new_midi_source_name (const std::string&);
186 std::string new_source_path_from_name (DataType type, const std::string&);
187 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
189 void process (nframes_t nframes);
191 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
192 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
193 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
195 bool have_rec_enabled_track () const;
197 bool have_captured() const { return _have_captured; }
199 void refill_all_track_buffers ();
200 Butler* butler() { return _butler; }
201 void butler_transport_work ();
203 void refresh_disk_space ();
205 int load_diskstreams_2X (XMLNode const &, int);
207 int load_routes (const XMLNode&, int);
208 boost::shared_ptr<RouteList> get_routes() const {
209 return routes.reader ();
212 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
214 boost::shared_ptr<RouteList> get_routes_with_regions_at (nframes64_t const) const;
216 uint32_t nroutes() const { return routes.reader()->size(); }
217 uint32_t ntracks () const;
218 uint32_t nbusses () const;
220 boost::shared_ptr<BundleList> bundles () {
221 return _bundles.reader ();
224 struct RoutePublicOrderSorter {
225 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
228 void sync_order_keys (std::string const &);
230 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
231 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
232 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
234 bool io_name_is_legal (const std::string&);
235 boost::shared_ptr<Route> route_by_name (std::string);
236 boost::shared_ptr<Route> route_by_id (PBD::ID);
237 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
239 bool route_name_unique (std::string) const;
240 bool route_name_internal (std::string) const;
242 bool get_record_enabled() const {
243 return (record_status () >= Enabled);
246 RecordState record_status() const {
247 return (RecordState) g_atomic_int_get (&_record_status);
250 bool actively_recording () {
251 return record_status() == Recording;
254 bool record_enabling_legal () const;
255 void maybe_enable_record ();
256 void disable_record (bool rt_context, bool force = false);
257 void step_back_from_record ();
259 void maybe_write_autosave ();
261 /* Emitted when all i/o connections are complete */
263 PBD::Signal0<void> IOConnectionsComplete;
265 /* Record status signals */
267 PBD::Signal0<void> RecordStateChanged;
269 /* Transport mechanism signals */
271 PBD::Signal0<void> TransportStateChange; /* generic */
272 PBD::Signal1<void,nframes64_t> PositionChanged; /* sent after any non-sequential motion */
273 PBD::Signal0<void> DurationChanged;
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; }
294 void goto_end () { request_locate (_session_range_location->end(), false);}
295 void goto_start () { request_locate (_session_range_location->start(), false); }
296 void set_session_start (nframes_t start) { _session_range_location->set_start(start); }
297 void set_session_end (nframes_t end) { _session_range_location->set_end(end); config.set_end_marker_is_free (false); }
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 request_track_speed (Track *, double speed);
303 void request_input_change_handling ();
305 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
306 bool transport_locked () const;
310 nframes_t get_maximum_extent () const;
311 nframes_t current_end_frame() const { return _session_range_location->end(); }
312 nframes_t current_start_frame() const { return _session_range_location->start(); }
313 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
314 nframes_t frame_rate() const { return _current_frame_rate; }
315 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
316 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
317 nframes_t frames_per_hour() const { return _frames_per_hour; }
319 double frames_per_timecode_frame() const { return _frames_per_timecode_frame; }
320 nframes_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
322 MIDI::byte get_mtc_timecode_bits() const {
323 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
326 float timecode_frames_per_second() const;
327 bool timecode_drop_frames() const;
331 Locations *locations() { return &_locations; }
333 PBD::Signal1<void,Location*> auto_loop_location_changed;
334 PBD::Signal1<void,Location*> auto_punch_location_changed;
335 PBD::Signal0<void> locations_modified;
337 void set_auto_punch_location (Location *);
338 void set_auto_loop_location (Location *);
339 int location_name(std::string& result, std::string base = std::string(""));
341 void reset_input_monitor_state ();
343 nframes_t get_block_size() const { return current_block_size; }
344 nframes_t worst_output_latency () const { return _worst_output_latency; }
345 nframes_t worst_input_latency () const { return _worst_input_latency; }
346 nframes_t worst_track_latency () const { return _worst_track_latency; }
348 #ifdef HAVE_JACK_SESSION
349 void jack_session_event (jack_session_event_t* event);
351 int save_state (std::string snapshot_name, bool pending = false, bool switch_to_snapshot = false);
352 int restore_state (std::string snapshot_name);
353 int save_template (std::string template_name);
354 int save_history (std::string snapshot_name = "");
355 int restore_history (std::string snapshot_name);
356 void remove_state (std::string snapshot_name);
357 void rename_state (std::string old_name, std::string new_name);
358 void remove_pending_capture_state ();
360 static int rename_template (std::string old_name, std::string new_name);
361 static int delete_template (std::string name);
363 PBD::Signal1<void,std::string> StateSaved;
364 PBD::Signal0<void> StateReady;
366 std::vector<std::string*>* possible_states() const;
367 static std::vector<std::string*>* possible_states (std::string path);
369 XMLNode& get_state();
370 int set_state(const XMLNode& node, int version); // not idempotent
371 XMLNode& get_template();
373 /// The instant xml file is written to the session directory
374 void add_instant_xml (XMLNode&, bool write_to_config = true);
375 XMLNode* instant_xml (const std::string& str);
377 enum StateOfTheState {
382 InitialConnecting = 0x8,
387 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
389 void add_route_group (RouteGroup *);
390 void remove_route_group (RouteGroup&);
392 RouteGroup *route_group_by_name (std::string);
394 PBD::Signal1<void,RouteGroup*> route_group_added;
395 PBD::Signal0<void> route_group_removed;
397 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
398 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
403 /* fundamental operations. duh. */
405 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
406 int input_channels, int output_channels, TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
409 RouteList new_audio_route (bool aux, int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many);
411 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
412 TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
415 void remove_route (boost::shared_ptr<Route>);
416 void resort_routes ();
417 void resort_routes_using (boost::shared_ptr<RouteList>);
419 void set_remote_control_ids();
421 AudioEngine & engine() { return _engine; }
422 AudioEngine const & engine () const { return _engine; }
429 nframes64_t transport_frame () const {return _transport_frame; }
430 nframes64_t audible_frame () const;
431 nframes64_t requested_return_frame() const { return _requested_return_frame; }
445 void sync_time_vars();
447 void bbt_time (nframes_t when, BBT_Time&);
448 void timecode_to_sample(Timecode::Time& timecode, nframes_t& sample, bool use_offset, bool use_subframes) const;
449 void sample_to_timecode(nframes_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
450 void timecode_time (Timecode::Time &);
451 void timecode_time (nframes_t when, Timecode::Time&);
452 void timecode_time_subframes (nframes_t when, Timecode::Time&);
454 void timecode_duration (nframes_t, Timecode::Time&) const;
455 void timecode_duration_string (char *, nframes_t) const;
457 void set_timecode_offset (nframes_t);
458 nframes_t timecode_offset () const { return _timecode_offset; }
459 void set_timecode_offset_negative (bool);
460 bool timecode_offset_negative () const { return _timecode_offset_negative; }
462 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
464 static PBD::Signal0<void> StartTimeChanged;
465 static PBD::Signal0<void> EndTimeChanged;
466 static PBD::Signal0<void> TimecodeOffsetChanged;
468 std::vector<SyncSource> get_available_sync_options() const;
469 void request_sync_source (Slave*);
470 bool synced_to_jack() const { return config.get_external_sync() && config.get_sync_source() == JACK; }
472 double transport_speed() const { return _transport_speed; }
473 bool transport_stopped() const { return _transport_speed == 0.0f; }
474 bool transport_rolling() const { return _transport_speed != 0.0f; }
476 void set_silent (bool yn);
477 bool silent () { return _silent; }
479 int jack_slave_sync (nframes_t);
481 TempoMap& tempo_map() { return *_tempo_map; }
483 /// signals the current transport position in frames, bbt and timecode time (in that order)
484 PBD::Signal3<void,const nframes_t&, const BBT_Time&, const Timecode::Time&> tick;
488 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
490 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
492 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
493 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
494 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
496 /* source management */
498 void import_audiofiles (ImportStatus&);
499 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
500 std::string build_tmp_convert_name (std::string file);
502 boost::shared_ptr<ExportHandler> get_export_handler ();
503 boost::shared_ptr<ExportStatus> get_export_status ();
505 int start_audio_export (nframes_t position, bool realtime);
507 PBD::Signal1<int,nframes_t> ProcessExport;
508 static PBD::Signal2<void,std::string, std::string> Exported;
510 void add_source (boost::shared_ptr<Source>);
511 void remove_source (boost::weak_ptr<Source>);
513 int cleanup_sources (CleanupReport&);
514 int cleanup_trash_sources (CleanupReport&);
516 int destroy_region (boost::shared_ptr<Region>);
517 int destroy_regions (std::list<boost::shared_ptr<Region> >);
519 int remove_last_capture ();
521 /** handlers should return -1 for "stop cleanup",
522 0 for "yes, delete this playlist",
523 1 for "no, don't delete this playlist".
525 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
527 /** handlers should return 0 for "ignore the rate mismatch",
528 !0 for "do not use this session"
530 static PBD::Signal2<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
532 /** handlers should return !0 for use pending state, 0 for ignore it.
534 static PBD::Signal0<int> AskAboutPendingState;
536 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (size_t, std::string const &, uint32_t, bool);
538 boost::shared_ptr<MidiSource> create_midi_source_for_session (std::string const &);
540 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
541 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
543 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
545 /* named selections */
547 boost::shared_ptr<NamedSelection> named_selection_by_name (std::string name);
548 void add_named_selection (boost::shared_ptr<NamedSelection>);
549 void remove_named_selection (boost::shared_ptr<NamedSelection>);
551 template<class T> void foreach_named_selection (T& obj, void (T::*func)(boost::shared_ptr<NamedSelection>));
552 PBD::Signal0<void> NamedSelectionAdded;
553 PBD::Signal0<void> NamedSelectionRemoved;
555 /* Curves and AutomationLists (TODO when they go away) */
556 void add_automation_list(AutomationList*);
560 float get_default_fade_length () const { return default_fade_msecs; }
561 float get_default_fade_steepness () const { return default_fade_steepness; }
562 void set_default_fade (float steepness, float msecs);
566 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
567 void audition_playlist ();
568 void audition_region (boost::shared_ptr<Region>);
569 void cancel_audition ();
570 bool is_auditioning () const;
572 PBD::Signal1<void,bool> AuditionActive;
574 /* flattening stuff */
576 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
577 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
578 bool enable_processing = true);
579 int freeze_all (InterThreadInfo&);
581 /* session-wide solo/mute/rec-enable */
583 bool soloing() const { return _non_soloed_outs_muted; }
584 bool listening() const { return _listen_cnt > 0; }
586 static const SessionEvent::RTeventCallback rt_cleanup;
588 void set_solo (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
589 void set_just_one_solo (boost::shared_ptr<Route>, bool, SessionEvent::RTeventCallback after = rt_cleanup);
590 void set_mute (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
591 void set_listen (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
592 void set_record_enable (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;
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 ();
719 uint32_t playback_load_min ();
720 uint32_t capture_load_min ();
722 void reset_playback_load_min ();
723 void reset_capture_load_min ();
727 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
728 bool get_play_range () const { return _play_range; }
730 /* buffers for gain and pan */
732 gain_t* gain_automation_buffer () const;
733 pan_t** pan_automation_buffer () const;
735 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
739 static long vst_callback (AEffect* effect,
746 static PBD::Signal0<void> SendFeedback;
750 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
751 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const PBD::ControllableDescriptor&);
753 void add_controllable (boost::shared_ptr<PBD::Controllable>);
754 void remove_controllable (PBD::Controllable*);
756 SessionMetadata & metadata () { return *_metadata; }
758 SessionConfiguration config;
760 bool exporting () const {
764 /* this is a private enum, but setup_enum_writer() needs it,
765 and i can't find a way to give that function
769 enum PostTransportWork {
770 PostTransportStop = 0x1,
771 PostTransportDisableRecord = 0x2,
772 PostTransportPosition = 0x8,
773 PostTransportDidRecord = 0x20,
774 PostTransportDuration = 0x40,
775 PostTransportLocate = 0x80,
776 PostTransportRoll = 0x200,
777 PostTransportAbort = 0x800,
778 PostTransportOverWrite = 0x1000,
779 PostTransportSpeed = 0x2000,
780 PostTransportAudition = 0x4000,
781 PostTransportScrub = 0x8000,
782 PostTransportReverse = 0x10000,
783 PostTransportInputChange = 0x20000,
784 PostTransportCurveRealloc = 0x40000,
785 PostTransportClearSubstate = 0x80000
794 SlaveState slave_state() const { return _slave_state; }
796 boost::shared_ptr<SessionPlaylists> playlists;
799 friend class AudioEngine;
800 void set_block_size (nframes_t nframes);
801 void set_frame_rate (nframes_t nframes);
805 void schedule_curve_reallocation ();
806 void update_latency_compensation (bool, bool);
809 int create (const std::string& mix_template, nframes_t initial_length, BusProfile*);
812 nframes_t compute_initial_length ();
815 PendingDeclickIn = 0x1,
816 PendingDeclickOut = 0x2,
817 StopPendingCapture = 0x4,
818 AutoReturning = 0x10,
819 PendingLocate = 0x20,
820 PendingSetLoop = 0x40
823 /* stuff used in process() should be close together to
827 typedef void (Session::*process_function_type)(nframes_t);
829 AudioEngine& _engine;
830 mutable gint processing_prohibited;
831 process_function_type process_function;
832 process_function_type last_process_function;
833 bool waiting_for_sync_offset;
834 nframes_t _base_frame_rate;
835 nframes_t _current_frame_rate; //this includes video pullup offset
836 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
837 int transport_sub_state;
838 mutable gint _record_status;
839 volatile nframes64_t _transport_frame;
840 Location* _session_range_location;
844 // varispeed playback
845 volatile double _transport_speed;
846 double _last_transport_speed;
847 double _target_transport_speed;
848 CubicInterpolation interpolation;
850 bool auto_play_legal;
851 nframes64_t _last_slave_transport_frame;
852 nframes_t maximum_output_latency;
853 volatile nframes64_t _requested_return_frame;
854 nframes_t current_block_size;
855 nframes_t _worst_output_latency;
856 nframes_t _worst_input_latency;
857 nframes_t _worst_track_latency;
860 float _meter_falloff;
861 bool _non_soloed_outs_muted;
862 uint32_t _listen_cnt;
866 void set_worst_io_latencies ();
867 void set_worst_io_latencies_x (IOChange, void *) {
868 set_worst_io_latencies ();
871 void update_latency_compensation_proxy (void* ignored);
873 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
875 void process_scrub (nframes_t);
876 void process_without_events (nframes_t);
877 void process_with_events (nframes_t);
878 void process_audition (nframes_t);
879 void process_export (nframes_t);
880 int process_export_fw (nframes_t);
882 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
883 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
884 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
886 Glib::Mutex process_thread_lock;
887 std::list<ProcessThread*> process_threads;
891 static const int delta_accumulator_size = 25;
892 int delta_accumulator_cnt;
893 long delta_accumulator[delta_accumulator_size];
894 long average_slave_delta;
896 bool have_first_delta_accumulator;
898 SlaveState _slave_state;
899 nframes_t slave_wait_end;
901 void reset_slave_state ();
902 bool follow_slave (nframes_t);
903 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
904 void track_slave_state(float slave_speed, nframes_t slave_transport_frame, nframes_t this_delta);
905 void follow_slave_silently(nframes_t nframes, float slave_speed);
907 void switch_to_sync_source (SyncSource); /* !RT context */
908 void drop_sync_source (); /* !RT context */
909 void use_sync_source (Slave*); /* RT context */
911 bool post_export_sync;
912 nframes_t post_export_position;
915 bool _export_rolling;
917 boost::shared_ptr<ExportHandler> export_handler;
918 boost::shared_ptr<ExportStatus> export_status;
921 int stop_audio_export ();
922 void finalize_audio_export ();
924 PBD::ScopedConnection export_freewheel_connection;
926 void get_track_statistics ();
927 int process_routes (nframes_t, bool& need_butler);
928 int silent_process_routes (nframes_t, bool& need_butler);
930 bool get_rec_monitors_input () {
931 if (actively_recording()) {
934 if (config.get_auto_input()) {
942 int get_transport_declick_required () {
943 if (transport_sub_state & PendingDeclickIn) {
944 transport_sub_state &= ~PendingDeclickIn;
946 } else if (transport_sub_state & PendingDeclickOut) {
953 bool maybe_stop (nframes_t limit);
954 bool maybe_sync_start (nframes_t&);
956 void check_declick_out ();
958 MIDI::MachineControl* mmc;
959 MIDI::Port* _mmc_port;
960 MIDI::Port* _mtc_port;
961 MIDI::Port* _midi_port;
962 MIDI::Port* _midi_clock_port;
966 bool session_send_mmc;
967 bool session_send_mtc;
968 bool session_midi_feedback;
971 nframes_t last_loopend;
973 boost::scoped_ptr<SessionDirectory> _session_dir;
976 void when_engine_running ();
977 void graph_reordered ();
979 std::string _current_snapshot_name;
982 bool state_was_pending;
983 StateOfTheState _state_of_the_state;
986 int load_options (const XMLNode&);
987 int load_state (std::string snapshot_name);
989 nframes_t _last_roll_location;
990 nframes_t _last_record_location;
992 bool pending_locate_roll;
993 nframes_t pending_locate_frame;
994 bool pending_locate_flush;
996 bool pending_auto_loop;
1000 #if 0 // these should be here, see comments in their other location above
1001 enum PostTransportWork {
1002 PostTransportStop = 0x1,
1003 PostTransportDisableRecord = 0x2,
1004 PostTransportPosition = 0x8,
1005 PostTransportDidRecord = 0x20,
1006 PostTransportDuration = 0x40,
1007 PostTransportLocate = 0x80,
1008 PostTransportRoll = 0x200,
1009 PostTransportAbort = 0x800,
1010 PostTransportOverWrite = 0x1000,
1011 PostTransportSpeed = 0x2000,
1012 PostTransportAudition = 0x4000,
1013 PostTransportScrub = 0x8000,
1014 PostTransportReverse = 0x10000,
1015 PostTransportInputChange = 0x20000,
1016 PostTransportCurveRealloc = 0x40000,
1017 PostTransportClearSubstate = 0x80000
1020 static const PostTransportWork ProcessCannotProceedMask =
1022 PostTransportInputChange|
1024 PostTransportReverse|
1025 PostTransportCurveRealloc|
1027 PostTransportAudition|
1028 PostTransportLocate|
1030 PostTransportClearSubstate);
1032 gint _post_transport_work; /* accessed only atomic ops */
1033 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (&_post_transport_work); }
1034 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1035 void add_post_transport_work (PostTransportWork ptw);
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 find_current_end ();
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 SerializedRCUManager<RouteList> routes;
1201 void add_routes (RouteList&, bool save);
1202 uint32_t destructive_index;
1204 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1205 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1207 void route_processors_changed (RouteProcessorChange);
1209 bool find_route_name (const char* base, uint32_t& id, char* name, size_t name_len);
1210 void count_existing_route_channels (ChanCount& in, ChanCount& out);
1211 void auto_connect_route (boost::shared_ptr<Route> route,
1212 ChanCount& existing_inputs, ChanCount& existing_outputs);
1216 bool solo_update_disabled;
1218 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1219 void route_mute_changed (void *src);
1220 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1221 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1223 void listen_position_changed ();
1224 void solo_control_mode_changed ();
1226 /* REGION MANAGEMENT */
1228 mutable Glib::Mutex region_lock;
1230 int load_regions (const XMLNode& node);
1232 void route_group_changed ();
1236 mutable Glib::Mutex source_lock;
1237 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1242 SourceMap get_sources() { return sources; }
1245 int load_sources (const XMLNode& node);
1246 XMLNode& get_sources_as_xml ();
1248 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1252 void remove_playlist (boost::weak_ptr<Playlist>);
1253 void playlist_length_changed ();
1254 void track_playlist_changed (boost::weak_ptr<Track>);
1256 /* NAMED SELECTIONS */
1258 mutable Glib::Mutex named_selection_lock;
1259 typedef std::set<boost::shared_ptr<NamedSelection> > NamedSelectionList;
1260 NamedSelectionList named_selections;
1262 int load_named_selections (const XMLNode&);
1264 NamedSelection *named_selection_factory (std::string name);
1265 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1267 /* CURVES and AUTOMATION LISTS */
1268 std::map<PBD::ID, AutomationList*> automation_lists;
1270 /* DEFAULT FADE CURVES */
1272 float default_fade_steepness;
1273 float default_fade_msecs;
1277 boost::shared_ptr<Auditioner> auditioner;
1278 void set_audition (boost::shared_ptr<Region>);
1279 void non_realtime_set_audition ();
1280 boost::shared_ptr<Region> pending_audition_region;
1286 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1288 /* INSERT AND SEND MANAGEMENT */
1290 boost::dynamic_bitset<uint32_t> send_bitset;
1291 boost::dynamic_bitset<uint32_t> return_bitset;
1292 boost::dynamic_bitset<uint32_t> insert_bitset;
1296 struct space_and_path {
1297 uint32_t blocks; /* 4kB blocks */
1305 struct space_and_path_ascending_cmp {
1306 bool operator() (space_and_path a, space_and_path b) {
1307 return a.blocks > b.blocks;
1311 void setup_raid_path (std::string path);
1313 std::vector<space_and_path> session_dirs;
1314 std::vector<space_and_path>::iterator last_rr_session_dir;
1315 uint32_t _total_free_4k_blocks;
1316 Glib::Mutex space_lock;
1318 std::string get_best_session_directory_for_new_source ();
1320 mutable gint _playback_load;
1321 mutable gint _capture_load;
1322 mutable gint _playback_load_min;
1323 mutable gint _capture_load_min;
1327 SerializedRCUManager<BundleList> _bundles;
1328 XMLNode* _bundle_xml_node;
1329 int load_bundles (XMLNode const &);
1331 void reverse_track_buffers ();
1333 UndoHistory _history;
1334 std::stack<UndoTransaction*> _current_trans;
1336 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1337 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1338 void reset_jack_connection (jack_client_t* jack);
1339 void process_rtop (SessionEvent*);
1341 XMLNode& state(bool);
1347 boost::shared_ptr<IO> _click_io;
1349 Sample* click_emphasis_data;
1350 nframes_t click_length;
1351 nframes_t click_emphasis_length;
1352 mutable Glib::RWLock click_lock;
1354 static const Sample default_click[];
1355 static const nframes_t default_click_length;
1356 static const Sample default_click_emphasis[];
1357 static const nframes_t default_click_emphasis_length;
1360 void setup_click_sounds (int which);
1361 void clear_clicks ();
1362 void click (nframes_t start, nframes_t nframes);
1364 std::vector<Route*> master_outs;
1366 /* range playback */
1368 std::list<AudioRange> current_audio_range;
1370 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1371 void unset_play_range ();
1376 boost::shared_ptr<Route> _master_out;
1377 boost::shared_ptr<Route> _monitor_out;
1381 long _vst_callback (VSTPlugin*,
1388 /* number of hardware ports we're using,
1389 based on max (requested,available)
1392 uint32_t n_physical_outputs;
1393 uint32_t n_physical_inputs;
1395 uint32_t n_physical_audio_outputs;
1396 uint32_t n_physical_audio_inputs;
1398 uint32_t n_physical_midi_outputs;
1399 uint32_t n_physical_midi_inputs;
1401 int find_all_sources (std::string path, std::set<std::string>& result);
1402 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1404 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1405 Glib::Mutex controllables_lock;
1406 Controllables controllables;
1408 void reset_native_file_format();
1409 bool first_file_data_format_reset;
1410 bool first_file_header_format_reset;
1412 void config_changed (std::string, bool);
1414 XMLNode& get_control_protocol_state ();
1416 void set_history_depth (uint32_t depth);
1417 void sync_order_keys ();
1419 static bool _disable_all_loaded_plugins;
1421 SessionMetadata * _metadata;
1423 mutable bool have_looped; ///< Used in ::audible_frame(*)
1425 void update_have_rec_enabled_track ();
1426 gint _have_rec_enabled_track;
1428 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
1430 /* realtime "apply to set of routes" operations */
1431 SessionEvent* get_rt_event (boost::shared_ptr<RouteList> rl, bool yn, SessionEvent::RTeventCallback after, bool group_override,
1432 void (Session::*method) (boost::shared_ptr<RouteList>, bool, bool));
1434 void rt_set_solo (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1435 void rt_set_just_one_solo (boost::shared_ptr<RouteList>, bool yn, bool /* ignored*/ );
1436 void rt_set_mute (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1437 void rt_set_listen (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1438 void rt_set_record_enable (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1440 /** temporary list of Diskstreams used only during load of 2.X sessions */
1441 std::list<boost::shared_ptr<Diskstream> > _diskstreams_2X;
1444 } // namespace ARDOUR
1446 #endif /* __ardour_session_h__ */