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.
21 #ifndef __ardour_session_h__
22 #define __ardour_session_h__
27 using __gnu_cxx::slist;
39 #include <pbd/error.h>
40 #include <pbd/atomic.h>
41 #include <pbd/lockmonitor.h>
45 #include <midi++/types.h>
46 #include <midi++/mmc.h>
48 #include <ardour/ardour.h>
49 #include <ardour/configuration.h>
50 #include <ardour/location.h>
51 #include <ardour/stateful.h>
52 #include <ardour/gain.h>
53 #include <ardour/io.h>
88 struct AudioExportSpecification;
97 class Session : public sigc::trackable, public Stateful
101 typedef std::pair<Route*,bool> RouteBooleanState;
102 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
103 typedef std::pair<Route*,MeterPoint> RouteMeterState;
104 typedef vector<RouteMeterState> GlobalRouteMeterState;
119 enum AutoConnectOption {
120 AutoConnectPhysical = 0x1,
121 AutoConnectMaster = 0x2
138 InputConfigurationChange,
142 /* only one of each of these events
143 can be queued at any one time
159 jack_nframes_t action_frame;
160 jack_nframes_t target_frame;
166 Session::SlaveSource slave;
169 list<AudioRange> audio_range;
170 list<MusicRange> music_range;
172 Event(Type t, Action a, jack_nframes_t when, jack_nframes_t where, float spd, bool yn = false)
176 target_frame (where),
180 void set_ptr (void* p) {
184 bool before (const Event& other) const {
185 return action_frame < other.action_frame;
188 bool after (const Event& other) const {
189 return action_frame > other.action_frame;
192 static bool compare (const Event *e1, const Event *e2) {
193 return e1->before (*e2);
196 void *operator new (size_t ignored) {
197 return pool.alloc ();
200 void operator delete(void *ptr, size_t size) {
204 static const jack_nframes_t Immediate = 0;
207 static MultiAllocSingleReleasePool pool;
210 /* creating from an XML file */
212 Session (AudioEngine&,
214 string snapshot_name,
215 string* mix_template = 0);
217 /* creating a new Session */
219 Session (AudioEngine&,
221 string snapshot_name,
222 AutoConnectOption input_auto_connect,
223 AutoConnectOption output_auto_connect,
224 uint32_t control_out_channels,
225 uint32_t master_out_channels,
226 uint32_t n_physical_in,
227 uint32_t n_physical_out,
228 jack_nframes_t initial_length);
233 static int find_session (string str, string& path, string& snapshot, bool& isnew);
235 string path() const { return _path; }
236 string name() const { return _name; }
237 string snap_name() const { return _current_snapshot_name; }
239 void set_snap_name ();
243 bool dirty() const { return _state_of_the_state & Dirty; }
244 sigc::signal<void> DirtyChanged;
246 std::string sound_dir () const;
247 std::string tape_dir () const;
248 std::string peak_dir () const;
249 std::string dead_sound_dir () const;
250 std::string automation_dir () const;
252 static string template_path ();
253 static string template_dir ();
254 static void get_template_list (list<string>&);
256 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
257 static string peak_path_from_audio_path (string);
258 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
260 void process (jack_nframes_t nframes);
262 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
263 vector<Sample*>& get_silent_buffers (uint32_t howmany);
264 vector<Sample*>& get_send_buffers () { return _send_buffers; }
266 DiskStream *diskstream_by_id (id_t id);
267 DiskStream *diskstream_by_name (string name);
269 bool have_captured() const { return _have_captured; }
271 void refill_all_diskstream_buffers ();
272 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
273 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
274 uint32_t n_diskstreams() const;
276 typedef list<DiskStream *> DiskStreamList;
278 Session::DiskStreamList disk_streams() const {
279 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
280 return diskstreams; /* XXX yes, force a copy */
283 void foreach_diskstream (void (DiskStream::*func)(void));
284 template<class T> void foreach_diskstream (T *obj, void (T::*func)(DiskStream&));
286 typedef slist<Route *> RouteList;
288 RouteList get_routes() const {
289 RWLockMonitor rlock (route_lock, false, __LINE__, __FILE__);
290 return routes; /* XXX yes, force a copy */
293 uint32_t nroutes() const { return routes.size(); }
294 uint32_t ntracks () const;
295 uint32_t nbusses () const;
297 struct RoutePublicOrderSorter {
298 bool operator() (Route *, Route *b);
301 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
302 template<class T> void foreach_route (T *obj, void (T::*func)(Route*));
303 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
305 Route *route_by_name (string);
307 bool route_name_unique (string) const;
309 bool get_record_enabled() const {
310 return (record_status () >= Enabled);
313 RecordState record_status() const {
314 return (RecordState) atomic_read (&_record_status);
317 bool actively_recording () {
318 return record_status() == Recording;
321 bool record_enabling_legal () const;
322 void maybe_enable_record ();
323 void disable_record (bool force = false);
324 void step_back_from_record ();
326 sigc::signal<void> going_away;
328 /* Proxy signal for region hidden changes */
330 sigc::signal<void,Region*> RegionHiddenChange;
332 /* Emitted when all i/o connections are complete */
334 sigc::signal<void> IOConnectionsComplete;
336 /* Record status signals */
338 sigc::signal<void> RecordStateChanged;
340 /* Transport mechanism signals */
342 sigc::signal<void> TransportStateChange; /* generic */
343 sigc::signal<void,jack_nframes_t> PositionChanged; /* sent after any non-sequential motion */
344 sigc::signal<void> DurationChanged;
345 sigc::signal<void> HaltOnXrun;
347 sigc::signal<void,Route*> RouteAdded;
348 sigc::signal<void,DiskStream*> DiskStreamAdded;
350 void request_roll ();
351 void request_bounded_roll (jack_nframes_t start, jack_nframes_t end);
352 void request_stop (bool abort = false);
353 void request_locate (jack_nframes_t frame, bool with_roll = false);
354 void request_auto_loop (bool yn);
355 jack_nframes_t last_transport_start() const { return _last_roll_location; }
356 void goto_end () { request_locate (end_location->start(), false);}
357 void goto_start () { request_locate (start_location->start(), false); }
358 void use_rf_shuttle_speed ();
359 void request_transport_speed (float speed);
360 void request_overwrite_buffer (DiskStream*);
361 void request_diskstream_speed (DiskStream&, float speed);
362 void request_input_change_handling ();
365 int wipe_diskstream (DiskStream *);
367 int remove_region_from_region_list (Region&);
369 jack_nframes_t current_end_frame() const { return end_location->start(); }
370 jack_nframes_t current_start_frame() const { return start_location->start(); }
371 jack_nframes_t frame_rate() const { return _current_frame_rate; }
372 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
373 jack_nframes_t frames_per_hour() const { return _frames_per_hour; }
374 jack_nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
378 Locations *locations() { return &_locations; }
380 sigc::signal<void,Location*> auto_loop_location_changed;
381 sigc::signal<void,Location*> auto_punch_location_changed;
382 sigc::signal<void> locations_modified;
384 void set_auto_punch_location (Location *);
385 void set_auto_loop_location (Location *);
413 sigc::signal<void,ControlType> ControlChanged;
415 void set_auto_play (bool yn);
416 void set_auto_return (bool yn);
417 void set_auto_input (bool yn);
418 void reset_input_monitor_state ();
419 void set_input_auto_connect (bool yn);
420 void set_output_auto_connect (AutoConnectOption);
421 void set_punch_in (bool yn);
422 void set_punch_out (bool yn);
423 void set_send_mtc (bool yn);
424 void set_send_mmc (bool yn);
425 void set_mmc_control (bool yn);
426 void set_midi_feedback (bool yn);
427 void set_midi_control (bool yn);
428 void set_do_not_record_plugins (bool yn);
429 void set_crossfades_active (bool yn);
430 void set_seamless_loop (bool yn);
432 bool get_auto_play () const { return auto_play; }
433 bool get_auto_input () const { return auto_input; }
434 bool get_auto_loop () const { return auto_loop; }
435 bool get_seamless_loop () const { return seamless_loop; }
436 bool get_punch_in () const { return punch_in; }
437 bool get_punch_out () const { return punch_out; }
438 bool get_all_safe () const { return all_safe; }
439 bool get_auto_return () const { return auto_return; }
440 bool get_send_mtc () const;
441 bool get_send_mmc () const;
442 bool get_mmc_control () const;
443 bool get_midi_feedback () const;
444 bool get_midi_control () const;
445 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
446 bool get_crossfades_active () const { return crossfades_active; }
448 bool get_input_auto_connect () const;
449 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
457 void set_layer_model (LayerModel);
458 LayerModel get_layer_model () const { return layer_model; }
460 void set_xfade_model (CrossfadeModel);
461 CrossfadeModel get_xfade_model () const { return xfade_model; }
463 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
464 void remove_event (jack_nframes_t frame, Event::Type type);
465 void clear_events (Event::Type type);
467 jack_nframes_t get_block_size() const { return current_block_size; }
468 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
469 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
470 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
472 int save_state (string snapshot_name, bool pending = false);
473 int restore_state (string snapshot_name);
474 int save_template (string template_name);
476 static int rename_template (string old_name, string new_name);
478 static int delete_template (string name);
480 sigc::signal<void,string> StateSaved;
481 sigc::signal<void> StateReady;
483 vector<string*>* possible_states() const;
484 static vector<string*>* possible_states(string path);
486 XMLNode& get_state();
487 int set_state(const XMLNode& node);
488 XMLNode& get_template();
490 void add_instant_xml (XMLNode&, const std::string& dir);
492 void swap_configuration(Configuration** new_config);
493 void copy_configuration(Configuration* new_config);
495 enum StateOfTheState {
500 InitialConnecting = 0x8,
505 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
507 RouteGroup* add_edit_group (string);
508 RouteGroup* add_mix_group (string);
510 void remove_edit_group (RouteGroup&);
511 void remove_mix_group (RouteGroup&);
513 RouteGroup *mix_group_by_name (string);
514 RouteGroup *edit_group_by_name (string);
516 sigc::signal<void,RouteGroup*> edit_group_added;
517 sigc::signal<void,RouteGroup*> mix_group_added;
518 sigc::signal<void> edit_group_removed;
519 sigc::signal<void> mix_group_removed;
521 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
522 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
527 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
528 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
533 /* fundamental operations. duh. */
536 AudioTrack *new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal);
538 Route *new_audio_route (int input_channels, int output_channels);
540 void remove_route (Route&);
541 void resort_routes (void *src);
543 AudioEngine &engine() { return _engine; };
545 /* configuration. there should really be accessors/mutators
549 float meter_hold () { return _meter_hold; }
550 void set_meter_hold (float);
551 sigc::signal<void> MeterHoldChanged;
553 float meter_falloff () { return _meter_falloff; }
554 void set_meter_falloff (float);
555 sigc::signal<void> MeterFalloffChanged;
559 string click_emphasis_sound;
561 bool click_requested;
562 jack_nframes_t over_length_short;
563 jack_nframes_t over_length_long;
564 bool send_midi_timecode;
565 bool send_midi_machine_control;
566 float shuttle_speed_factor;
567 float shuttle_speed_threshold;
569 float smpte_frames_per_second;
570 bool smpte_drop_frames;
576 jack_nframes_t transport_frame () const {return _transport_frame; }
577 jack_nframes_t audible_frame () const;
579 int set_smpte_type (float fps, bool drop_frames);
581 void bbt_time (jack_nframes_t when, BBT_Time&);
583 ARDOUR::smpte_wrap_t smpte_increment( SMPTE_Time& smpte ) const;
584 ARDOUR::smpte_wrap_t smpte_decrement( SMPTE_Time& smpte ) const;
585 ARDOUR::smpte_wrap_t smpte_increment_subframes( SMPTE_Time& smpte ) const;
586 ARDOUR::smpte_wrap_t smpte_decrement_subframes( SMPTE_Time& smpte ) const;
587 ARDOUR::smpte_wrap_t smpte_increment_seconds( SMPTE_Time& smpte ) const;
588 ARDOUR::smpte_wrap_t smpte_increment_minutes( SMPTE_Time& smpte ) const;
589 ARDOUR::smpte_wrap_t smpte_increment_hours( SMPTE_Time& smpte ) const;
590 void smpte_frames_floor( SMPTE_Time& smpte ) const;
591 void smpte_seconds_floor( SMPTE_Time& smpte ) const;
592 void smpte_minutes_floor( SMPTE_Time& smpte ) const;
593 void smpte_hours_floor( SMPTE_Time& smpte ) const;
594 void smpte_to_sample( SMPTE_Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
595 void sample_to_smpte( jack_nframes_t sample, SMPTE_Time& smpte, bool use_offset, bool use_subframes ) const;
596 void smpte_time (SMPTE_Time &);
597 void smpte_time (jack_nframes_t when, SMPTE_Time&);
598 void smpte_time_subframes (jack_nframes_t when, SMPTE_Time&);
600 void smpte_duration (jack_nframes_t, SMPTE_Time&) const;
601 void smpte_duration_string (char *, jack_nframes_t) const;
603 void set_smpte_offset (jack_nframes_t);
604 jack_nframes_t smpte_offset () const { return _smpte_offset; }
605 void set_smpte_offset_negative (bool);
606 bool smpte_offset_negative () const { return _smpte_offset_negative; }
608 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
610 sigc::signal<void> SMPTEOffsetChanged;
611 sigc::signal<void> SMPTETypeChanged;
613 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
614 SlaveSource slave_source() const { return _slave_type; }
615 bool synced_to_jack() const { return _slave_type == JACK; }
616 float transport_speed() const { return _transport_speed; }
617 bool transport_stopped() const { return _transport_speed == 0.0f; }
618 bool transport_rolling() const { return _transport_speed != 0.0f; }
620 int jack_slave_sync (jack_nframes_t);
622 TempoMap& tempo_map() { return *_tempo_map; }
626 sigc::signal<void,AudioRegion *> AudioRegionAdded;
627 sigc::signal<void,AudioRegion *> AudioRegionRemoved;
629 int region_name (string& result, string base = string(""), bool newlevel = false) const;
630 string new_region_name (string);
631 string path_from_region_name (string name, string identifier);
633 AudioRegion* find_whole_file_parent (AudioRegion&);
634 void find_equivalent_playlist_regions (AudioRegion&, std::vector<AudioRegion*>& result);
636 AudioRegion *XMLRegionFactory (const XMLNode&, bool full);
638 template<class T> void foreach_audio_region (T *obj, void (T::*func)(AudioRegion *));
640 /* source management */
642 struct import_status : public InterThreadInfo {
648 volatile bool freeze;
652 int import_audiofile (import_status&);
653 bool sample_rate_convert (import_status&, string infile, string& outfile);
654 string build_tmp_convert_name (string file);
656 Session::SlaveSource post_export_slave;
657 jack_nframes_t post_export_position;
659 int start_audio_export (ARDOUR::AudioExportSpecification&);
660 int stop_audio_export (ARDOUR::AudioExportSpecification&);
662 void add_source (Source *);
663 int remove_file_source (FileSource&);
665 struct cleanup_report {
666 vector<string> paths;
670 int cleanup_sources (cleanup_report&);
671 int cleanup_trash_sources (cleanup_report&);
673 int destroy_region (Region*);
674 int destroy_regions (list<Region*>);
676 int remove_last_capture ();
678 /* handlers should return -1 for "stop cleanup", 0 for
679 "yes, delete this playlist" and 1 for "no, don't delete
683 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
686 /* handlers should return !0 for use pending state, 0 for
690 static sigc::signal<int> AskAboutPendingState;
692 sigc::signal<void,Source *> SourceAdded;
693 sigc::signal<void,Source *> SourceRemoved;
695 FileSource *create_file_source (ARDOUR::DiskStream&, int32_t chan, bool destructive);
696 Source *get_source (ARDOUR::id_t);
698 /* playlist management */
700 Playlist* playlist_by_name (string name);
701 void add_playlist (Playlist *);
702 sigc::signal<void,Playlist*> PlaylistAdded;
703 sigc::signal<void,Playlist*> PlaylistRemoved;
705 Playlist *get_playlist (string name);
707 uint32_t n_playlists() const;
709 template<class T> void foreach_playlist (T *obj, void (T::*func)(Playlist *));
711 /* named selections */
713 NamedSelection* named_selection_by_name (string name);
714 void add_named_selection (NamedSelection *);
715 void remove_named_selection (NamedSelection *);
717 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
718 sigc::signal<void> NamedSelectionAdded;
719 sigc::signal<void> NamedSelectionRemoved;
723 float get_default_fade_length () const { return default_fade_msecs; }
724 float get_default_fade_steepness () const { return default_fade_steepness; }
725 void set_default_fade (float steepness, float msecs);
729 Auditioner& the_auditioner() { return *auditioner; }
730 void audition_playlist ();
731 void audition_region (AudioRegion&);
732 void cancel_audition ();
733 bool is_auditioning () const;
735 sigc::signal<void,bool> AuditionActive;
737 /* flattening stuff */
739 int write_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<Source*>&,
740 InterThreadInfo& wot);
741 int freeze (InterThreadInfo&);
743 /* session-wide solo/mute/rec-enable */
750 bool soloing() const { return currently_soloing; }
752 SoloModel solo_model() const { return _solo_model; }
753 void set_solo_model (SoloModel);
755 bool solo_latched() const { return _solo_latched; }
756 void set_solo_latched (bool yn);
758 void set_all_solo (bool);
759 void set_all_mute (bool);
761 sigc::signal<void,bool> SoloActive;
763 void record_disenable_all ();
764 void record_enable_all ();
766 /* control/master out */
768 IO* control_out() const { return _control_out; }
769 IO* master_out() const { return _master_out; }
771 /* insert/send management */
773 uint32_t n_port_inserts() const { return _port_inserts.size(); }
774 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
775 uint32_t n_sends() const { return _sends.size(); }
777 string next_send_name();
778 string next_insert_name();
780 /* s/w "RAID" management */
782 jack_nframes_t available_capture_duration();
784 /* I/O Connections */
786 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
787 void add_connection (Connection *);
788 void remove_connection (Connection *);
789 Connection *connection_by_name (string) const;
791 sigc::signal<void,Connection *> ConnectionAdded;
792 sigc::signal<void,Connection *> ConnectionRemoved;
796 int set_mtc_port (string port_tag);
797 int set_mmc_port (string port_tag);
798 int set_midi_port (string port_tag);
799 MIDI::Port *mtc_port() const { return _mtc_port; }
800 MIDI::Port *mmc_port() const { return _mmc_port; }
801 MIDI::Port *midi_port() const { return _midi_port; }
803 sigc::signal<void> MTC_PortChanged;
804 sigc::signal<void> MMC_PortChanged;
805 sigc::signal<void> MIDI_PortChanged;
807 void set_trace_midi_input (bool, MIDI::Port* port = 0);
808 void set_trace_midi_output (bool, MIDI::Port* port = 0);
810 bool get_trace_midi_input(MIDI::Port *port = 0);
811 bool get_trace_midi_output(MIDI::Port *port = 0);
813 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
814 void send_all_midi_feedback ();
816 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
820 void start_scrub (jack_nframes_t where);
822 void set_scrub_speed (float);
823 jack_nframes_t scrub_buffer_size() const;
824 sigc::signal<void> ScrubReady;
826 /* History (for editors, mixers, UIs etc.) */
828 void undo (uint32_t n) {
831 void redo (uint32_t n) {
835 uint32_t undo_depth() const { return history.undo_depth(); }
836 uint32_t redo_depth() const { return history.redo_depth(); }
837 string next_undo() const { return history.next_undo(); }
838 string next_redo() const { return history.next_redo(); }
840 void begin_reversible_command (string cmd_name, UndoAction *private_undo = 0);
841 void commit_reversible_command (UndoAction* private_redo = 0);
843 void add_undo (const UndoAction& ua) {
844 current_cmd.add_undo (ua);
846 void add_redo (const UndoAction& ua) {
847 current_cmd.add_redo (ua);
849 void add_redo_no_execute (const UndoAction& ua) {
850 current_cmd.add_redo_no_execute (ua);
853 UndoAction global_solo_memento (void *src);
854 UndoAction global_mute_memento (void *src);
855 UndoAction global_record_enable_memento (void *src);
856 UndoAction global_metering_memento (void *src);
860 void set_edit_mode (EditMode);
861 EditMode get_edit_mode () const { return _edit_mode; }
865 IO& click_io() { return *_click_io; }
866 void set_clicking (bool yn);
867 bool get_clicking() const;
869 void set_click_sound (string path);
870 void set_click_emphasis_sound (string path);
874 struct TimeStretchRequest {
875 ARDOUR::AudioRegion* region;
876 float fraction; /* session: read ; GUI: write */
877 float progress; /* session: write ; GUI: read */
878 bool running; /* read/write */
879 bool quick_seek; /* GUI: write */
880 bool antialias; /* GUI: write */
882 TimeStretchRequest () : region (0) {}
885 AudioRegion* tempoize_region (TimeStretchRequest&);
887 string raid_path() const;
888 void set_raid_path(string);
890 /* need to call this whenever we change native file formats */
892 void reset_native_file_format();
894 /* disk, buffer loads */
896 uint32_t playback_load ();
897 uint32_t capture_load ();
898 uint32_t playback_load_min ();
899 uint32_t capture_load_min ();
901 void reset_playback_load_min ();
902 void reset_capture_load_min ();
904 float read_data_rate () const;
905 float write_data_rate () const;
909 void set_audio_range (list<AudioRange>&);
910 void set_music_range (list<MusicRange>&);
912 void request_play_range (bool yn);
913 bool get_play_range () const { return _play_range; }
916 typedef vector<string> FavoriteDirs;
918 static int read_favorite_dirs (FavoriteDirs&);
920 static int write_favorite_dirs (FavoriteDirs&);
924 static const char* template_suffix() { return _template_suffix; }
925 static const char* statefile_suffix() { return _statefile_suffix; }
926 static const char* pending_suffix() { return _pending_suffix; }
928 /* buffers for gain and pan */
930 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
931 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
933 /* buffers for conversion */
940 char * conversion_buffer(RunContext context) { return _conversion_buffers[context]; }
944 static long vst_callback (AEffect* effect,
951 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
952 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
953 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
954 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
956 static compute_peak_t compute_peak;
957 static apply_gain_to_buffer_t apply_gain_to_buffer;
958 static mix_buffers_with_gain_t mix_buffers_with_gain;
959 static mix_buffers_no_gain_t mix_buffers_no_gain;
962 friend class AudioEngine;
963 void set_block_size (jack_nframes_t nframes);
964 void set_frame_rate (jack_nframes_t nframes);
967 friend class DiskStream;
969 void wait_till_butler_finished();
973 void schedule_curve_reallocation ();
974 void update_latency_compensation (bool, bool);
977 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
979 static const char* _template_suffix;
980 static const char* _statefile_suffix;
981 static const char* _pending_suffix;
984 PendingDeclickIn = 0x1,
985 PendingDeclickOut = 0x2,
986 StopPendingCapture = 0x4,
987 AutoReturning = 0x10,
988 PendingLocate = 0x20,
989 PendingSetLoop = 0x40
992 /* stuff used in process() should be close together to
996 typedef void (Session::*process_function_type)(jack_nframes_t);
998 AudioEngine &_engine;
999 atomic_t processing_prohibited;
1000 process_function_type process_function;
1001 process_function_type last_process_function;
1002 jack_nframes_t _current_frame_rate;
1003 int transport_sub_state;
1004 atomic_t _record_status;
1005 jack_nframes_t _transport_frame;
1006 Location* end_location;
1007 Location* start_location;
1009 SlaveSource _slave_type;
1010 volatile float _transport_speed;
1011 volatile float _desired_transport_speed;
1012 float _last_transport_speed;
1013 jack_nframes_t _last_slave_transport_frame;
1014 jack_nframes_t maximum_output_latency;
1015 jack_nframes_t last_stop_frame;
1016 vector<Sample *> _passthru_buffers;
1017 vector<Sample *> _silent_buffers;
1018 vector<Sample *> _send_buffers;
1019 map<RunContext,char*> _conversion_buffers;
1020 jack_nframes_t current_block_size;
1021 jack_nframes_t _worst_output_latency;
1022 jack_nframes_t _worst_input_latency;
1023 jack_nframes_t _worst_track_latency;
1024 bool _have_captured;
1026 float _meter_falloff;
1027 bool _end_location_is_free;
1029 void set_worst_io_latencies (bool take_lock);
1030 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1031 set_worst_io_latencies (true);
1034 void update_latency_compensation_proxy (void* ignored);
1036 void ensure_passthru_buffers (uint32_t howmany);
1038 void process_scrub (jack_nframes_t);
1039 void process_without_events (jack_nframes_t);
1040 void process_with_events (jack_nframes_t);
1041 void process_audition (jack_nframes_t);
1042 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1044 /* slave tracking */
1046 static const int delta_accumulator_size = 25;
1047 int delta_accumulator_cnt;
1048 long delta_accumulator[delta_accumulator_size];
1049 long average_slave_delta;
1051 bool have_first_delta_accumulator;
1059 SlaveState slave_state;
1060 jack_nframes_t slave_wait_end;
1062 void reset_slave_state ();
1063 bool follow_slave (jack_nframes_t, jack_nframes_t);
1066 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1068 void prepare_diskstreams ();
1069 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1070 int process_routes (jack_nframes_t, jack_nframes_t);
1071 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1073 bool get_rec_monitors_input () {
1074 if (actively_recording()) {
1085 int get_transport_declick_required () {
1087 if (transport_sub_state & PendingDeclickIn) {
1088 transport_sub_state &= ~PendingDeclickIn;
1090 } else if (transport_sub_state & PendingDeclickOut) {
1097 bool maybe_stop (jack_nframes_t limit) {
1098 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1105 void check_declick_out ();
1107 MIDI::MachineControl* mmc;
1108 MIDI::Port* _mmc_port;
1109 MIDI::Port* _mtc_port;
1110 MIDI::Port* _midi_port;
1113 bool do_not_record_plugins;
1123 jack_nframes_t last_loopend;
1125 bool crossfades_active;
1135 RingBuffer<Event*> pending_events;
1138 void when_engine_running ();
1139 sigc::connection first_time_running;
1140 void graph_reordered ();
1142 string _current_snapshot_name;
1144 XMLTree* state_tree;
1145 bool state_was_pending;
1146 StateOfTheState _state_of_the_state;
1149 int load_options (const XMLNode&);
1150 XMLNode& get_options () const;
1151 int load_state (string snapshot_name);
1153 jack_nframes_t _last_roll_location;
1154 jack_nframes_t _last_record_location;
1155 bool pending_locate_roll;
1156 jack_nframes_t pending_locate_frame;
1158 bool pending_locate_flush;
1160 bool pending_auto_loop;
1162 Sample* butler_mixdown_buffer;
1163 float* butler_gain_buffer;
1164 pthread_t butler_thread;
1165 PBD::NonBlockingLock butler_request_lock;
1166 pthread_cond_t butler_paused;
1167 bool butler_should_run;
1168 atomic_t butler_should_do_transport_work;
1169 int butler_request_pipe[2];
1171 struct ButlerRequest {
1180 enum PostTransportWork {
1181 PostTransportStop = 0x1,
1182 PostTransportDisableRecord = 0x2,
1183 PostTransportPosition = 0x8,
1184 PostTransportDidRecord = 0x20,
1185 PostTransportDuration = 0x40,
1186 PostTransportLocate = 0x80,
1187 PostTransportRoll = 0x200,
1188 PostTransportAbort = 0x800,
1189 PostTransportOverWrite = 0x1000,
1190 PostTransportSpeed = 0x2000,
1191 PostTransportAudition = 0x4000,
1192 PostTransportScrub = 0x8000,
1193 PostTransportReverse = 0x10000,
1194 PostTransportInputChange = 0x20000,
1195 PostTransportCurveRealloc = 0x40000
1198 static const PostTransportWork ProcessCannotProceedMask =
1199 PostTransportWork (PostTransportInputChange|
1201 PostTransportReverse|
1202 PostTransportCurveRealloc|
1204 PostTransportAudition|
1205 PostTransportLocate|
1208 PostTransportWork post_transport_work;
1210 void summon_butler ();
1211 void schedule_butler_transport_work ();
1212 int start_butler_thread ();
1213 void terminate_butler_thread ();
1214 static void *_butler_thread_work (void *arg);
1215 void* butler_thread_work ();
1217 uint32_t cumulative_rf_motion;
1220 void set_rf_speed (float speed);
1221 void reset_rf_scale (jack_nframes_t frames_moved);
1223 Locations _locations;
1224 void locations_changed ();
1225 void locations_added (Location*);
1226 void handle_locations_changed (Locations::LocationList&);
1228 sigc::connection auto_punch_start_changed_connection;
1229 sigc::connection auto_punch_end_changed_connection;
1230 sigc::connection auto_punch_changed_connection;
1231 void auto_punch_start_changed (Location *);
1232 void auto_punch_end_changed (Location *);
1233 void auto_punch_changed (Location *);
1235 sigc::connection auto_loop_start_changed_connection;
1236 sigc::connection auto_loop_end_changed_connection;
1237 sigc::connection auto_loop_changed_connection;
1238 void auto_loop_changed (Location *);
1240 typedef list<Event *> Events;
1242 Events immediate_events;
1243 Events::iterator next_event;
1245 /* there can only ever be one of each of these */
1247 Event *auto_loop_event;
1248 Event *punch_out_event;
1249 Event *punch_in_event;
1253 void dump_events () const;
1254 void queue_event (Event *ev);
1255 void merge_event (Event*);
1256 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1257 bool _replace_event (Event*);
1258 bool _remove_event (Event *);
1259 void _clear_event_type (Event::Type);
1261 void first_stage_init (string path, string snapshot_name);
1262 int second_stage_init (bool new_tracks);
1263 void find_current_end ();
1264 void remove_empty_sounds ();
1266 void setup_midi_control ();
1267 int midi_read (MIDI::Port *);
1269 void enable_record ();
1271 void increment_transport_position (uint32_t val) {
1272 if (max_frames - val < _transport_frame) {
1273 _transport_frame = max_frames;
1275 _transport_frame += val;
1279 void decrement_transport_position (uint32_t val) {
1280 if (val < _transport_frame) {
1281 _transport_frame -= val;
1283 _transport_frame = 0;
1287 void post_transport_motion ();
1288 static void *session_loader_thread (void *arg);
1292 void set_next_event ();
1293 void process_event (Event *);
1295 /* MIDI Machine Control */
1297 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1298 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1299 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1301 void spp_start (MIDI::Parser&);
1302 void spp_continue (MIDI::Parser&);
1303 void spp_stop (MIDI::Parser&);
1305 void mmc_deferred_play (MIDI::MachineControl &);
1306 void mmc_stop (MIDI::MachineControl &);
1307 void mmc_step (MIDI::MachineControl &, int);
1308 void mmc_pause (MIDI::MachineControl &);
1309 void mmc_record_pause (MIDI::MachineControl &);
1310 void mmc_record_strobe (MIDI::MachineControl &);
1311 void mmc_record_exit (MIDI::MachineControl &);
1312 void mmc_track_record_status (MIDI::MachineControl &,
1313 uint32_t track, bool enabled);
1314 void mmc_fast_forward (MIDI::MachineControl &);
1315 void mmc_rewind (MIDI::MachineControl &);
1316 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1317 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1318 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1320 struct timeval last_mmc_step;
1323 typedef sigc::slot<bool> MidiTimeoutCallback;
1324 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1326 MidiTimeoutList midi_timeouts;
1327 bool mmc_step_timeout ();
1329 MIDI::byte mmc_buffer[32];
1330 MIDI::byte mtc_msg[16];
1331 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1332 MIDI::byte midi_msg[16];
1333 jack_nframes_t outbound_mtc_smpte_frame;
1334 SMPTE_Time transmitting_smpte_time;
1335 int next_quarter_frame_to_send;
1337 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1338 jack_nframes_t _frames_per_hour;
1339 jack_nframes_t _smpte_frames_per_hour;
1340 jack_nframes_t _smpte_offset;
1341 bool _smpte_offset_negative;
1343 /* cache the most-recently requested time conversions.
1344 this helps when we have multiple clocks showing the
1345 same time (e.g. the transport frame)
1348 bool last_smpte_valid;
1349 jack_nframes_t last_smpte_when;
1350 SMPTE_Time last_smpte;
1352 int send_full_time_code ();
1353 int send_midi_time_code ();
1355 void send_full_time_code_in_another_thread ();
1356 void send_midi_time_code_in_another_thread ();
1357 void send_time_code_in_another_thread (bool full);
1358 void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1362 typedef sigc::slot<int> FeedbackFunctionPtr;
1363 static void* _feedback_thread_work (void *);
1364 void* feedback_thread_work ();
1365 int feedback_generic_midi_function ();
1366 std::list<FeedbackFunctionPtr> feedback_functions;
1367 int active_feedback;
1368 int feedback_request_pipe[2];
1369 pthread_t feedback_thread;
1371 struct FeedbackRequest {
1379 int init_feedback();
1380 int start_feedback ();
1381 int stop_feedback ();
1382 void terminate_feedback ();
1383 int poke_feedback (FeedbackRequest::Type);
1385 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1387 void reset_record_status ();
1389 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1391 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1392 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1394 struct MIDIRequest {
1407 MIDI::MachineControl::Command mmc_cmd;
1408 jack_nframes_t locate_frame;
1410 // for SendMessage type
1413 MIDI::channel_t chan;
1415 MIDI::EventTwoBytes data;
1426 void *operator new(size_t ignored) {
1427 return pool.alloc ();
1430 void operator delete(void *ptr, size_t size) {
1435 static MultiAllocSingleReleasePool pool;
1438 PBD::Lock midi_lock;
1439 pthread_t midi_thread;
1440 int midi_request_pipe[2];
1441 atomic_t butler_active;
1442 RingBuffer<MIDIRequest*> midi_requests;
1444 int start_midi_thread ();
1445 void terminate_midi_thread ();
1446 void poke_midi_thread ();
1447 static void *_midi_thread_work (void *arg);
1448 void midi_thread_work ();
1449 void change_midi_ports ();
1450 int use_config_midi_ports ();
1452 bool waiting_to_start;
1454 void set_auto_loop (bool yn);
1455 void overwrite_some_buffers (DiskStream*);
1456 void flush_all_redirects ();
1457 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1458 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1459 void force_locate (jack_nframes_t frame, bool with_roll = false);
1460 void set_diskstream_speed (DiskStream*, float speed);
1461 void set_transport_speed (float speed, bool abort = false);
1462 void stop_transport (bool abort = false);
1463 void start_transport ();
1464 void actually_start_transport ();
1465 void realtime_stop (bool abort);
1466 void non_realtime_start_scrub ();
1467 void non_realtime_set_speed ();
1468 void non_realtime_stop (bool abort);
1469 void non_realtime_overwrite ();
1470 void non_realtime_buffer_fill ();
1471 void butler_transport_work ();
1472 void post_transport ();
1473 void engine_halted ();
1474 void xrun_recovery ();
1476 TempoMap *_tempo_map;
1477 void tempo_map_changed (Change);
1479 /* edit/mix groups */
1481 int load_route_groups (const XMLNode&, bool is_edit);
1482 int load_edit_groups (const XMLNode&);
1483 int load_mix_groups (const XMLNode&);
1486 list<RouteGroup *> edit_groups;
1487 list<RouteGroup *> mix_groups;
1491 DiskStreamList diskstreams;
1492 mutable PBD::NonBlockingRWLock diskstream_lock;
1493 uint32_t dstream_buffer_size;
1494 void add_diskstream (DiskStream*);
1495 int load_diskstreams (const XMLNode&);
1500 mutable PBD::NonBlockingRWLock route_lock;
1501 void add_route (Route*);
1502 uint32_t destructive_index;
1504 int load_routes (const XMLNode&);
1505 Route* XMLRouteFactory (const XMLNode&);
1510 SoloModel _solo_model;
1511 bool solo_update_disabled;
1512 bool currently_soloing;
1514 void route_mute_changed (void *src);
1515 void route_solo_changed (void *src, Route *);
1516 void catch_up_on_solo ();
1517 void update_route_solo_state ();
1518 void modify_solo_mute (bool, bool);
1519 void strip_portname_for_solo (string& portname);
1521 /* REGION MANAGEMENT */
1523 mutable PBD::Lock region_lock;
1524 typedef map<ARDOUR::id_t,AudioRegion *> AudioRegionList;
1525 AudioRegionList audio_regions;
1527 void region_renamed (Region *);
1528 void region_changed (Change, Region *);
1529 void add_region (Region *);
1530 void remove_region (Region *);
1532 int load_regions (const XMLNode& node);
1536 mutable PBD::Lock source_lock;
1537 typedef std::map<id_t, Source *> SourceList;
1541 int load_sources (const XMLNode& node);
1542 XMLNode& get_sources_as_xml ();
1544 void remove_source (Source *);
1546 Source *XMLSourceFactory (const XMLNode&);
1550 mutable PBD::Lock playlist_lock;
1551 typedef set<Playlist *> PlaylistList;
1552 PlaylistList playlists;
1553 PlaylistList unused_playlists;
1555 int load_playlists (const XMLNode&);
1556 int load_unused_playlists (const XMLNode&);
1557 void remove_playlist (Playlist *);
1558 void track_playlist (Playlist *, bool);
1560 Playlist *playlist_factory (string name);
1561 Playlist *XMLPlaylistFactory (const XMLNode&);
1563 void playlist_length_changed (Playlist *);
1564 void diskstream_playlist_changed (DiskStream *);
1566 /* NAMED SELECTIONS */
1568 mutable PBD::Lock named_selection_lock;
1569 typedef set<NamedSelection *> NamedSelectionList;
1570 NamedSelectionList named_selections;
1572 int load_named_selections (const XMLNode&);
1574 NamedSelection *named_selection_factory (string name);
1575 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1577 /* DEFAULT FADE CURVES */
1579 float default_fade_steepness;
1580 float default_fade_msecs;
1584 Auditioner *auditioner;
1585 void set_audition (AudioRegion*);
1586 void non_realtime_set_audition ();
1587 AudioRegion *pending_audition_region;
1593 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1595 /* INSERT AND SEND MANAGEMENT */
1597 slist<PortInsert *> _port_inserts;
1598 slist<PluginInsert *> _plugin_inserts;
1599 slist<Send *> _sends;
1601 uint32_t insert_cnt;
1603 void add_redirect (Redirect *);
1604 void remove_redirect (Redirect *);
1608 struct space_and_path {
1609 uint32_t blocks; /* 4kB blocks */
1617 struct space_and_path_ascending_cmp {
1618 bool operator() (space_and_path a, space_and_path b) {
1619 return a.blocks > b.blocks;
1623 void setup_raid_path (string path);
1625 vector<space_and_path> session_dirs;
1626 vector<space_and_path>::iterator last_rr_session_dir;
1627 uint32_t _total_free_4k_blocks;
1628 PBD::Lock space_lock;
1630 static const char* sound_dir_name;
1631 static const char* tape_dir_name;
1632 static const char* dead_sound_dir_name;
1633 static const char* peak_dir_name;
1635 string discover_best_sound_dir (bool destructive = false);
1636 int ensure_sound_dir (string, string&);
1637 void refresh_disk_space ();
1639 atomic_t _playback_load;
1640 atomic_t _capture_load;
1641 atomic_t _playback_load_min;
1642 atomic_t _capture_load_min;
1644 /* I/O Connections */
1646 typedef list<Connection *> ConnectionList;
1647 mutable PBD::Lock connection_lock;
1648 ConnectionList _connections;
1649 int load_connections (const XMLNode&);
1651 int set_slave_source (SlaveSource, jack_nframes_t);
1653 void reverse_diskstream_buffers ();
1655 UndoHistory history;
1656 UndoCommand current_cmd;
1658 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1659 GlobalRouteMeterState get_global_route_metering ();
1661 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1662 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1664 void set_global_mute (GlobalRouteBooleanState s, void *src);
1665 void set_global_solo (GlobalRouteBooleanState s, void *src);
1666 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1668 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1669 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1670 void record_enable_change_all (bool yn);
1672 XMLNode& state(bool);
1677 jack_nframes_t start;
1678 jack_nframes_t duration;
1679 jack_nframes_t offset;
1682 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1683 : start (s), duration (d), data (b) { offset = 0; }
1685 void *operator new(size_t ignored) {
1686 return pool.alloc ();
1689 void operator delete(void *ptr, size_t size) {
1697 typedef list<Click*> Clicks;
1703 Sample* click_emphasis_data;
1704 jack_nframes_t click_length;
1705 jack_nframes_t click_emphasis_length;
1706 mutable PBD::NonBlockingRWLock click_lock;
1708 static const Sample default_click[];
1709 static const jack_nframes_t default_click_length;
1710 static const Sample default_click_emphasis[];
1711 static const jack_nframes_t default_click_emphasis_length;
1714 void setup_click_sounds (int which);
1715 void clear_clicks ();
1716 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1718 vector<Route*> master_outs;
1720 EditMode _edit_mode;
1721 EditMode pending_edit_mode;
1723 /* range playback */
1725 list<AudioRange> current_audio_range;
1727 void set_play_range (bool yn);
1728 void setup_auto_play ();
1736 AutoConnectOption input_auto_connect;
1737 AutoConnectOption output_auto_connect;
1739 gain_t* _gain_automation_buffer;
1740 pan_t** _pan_automation_buffer;
1741 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1742 uint32_t _npan_buffers;
1746 long _vst_callback (VSTPlugin*,
1753 /* number of hardware audio ports we're using,
1754 based on max (requested,available)
1757 uint32_t n_physical_outputs;
1758 uint32_t n_physical_inputs;
1760 void remove_pending_capture_state ();
1762 int find_all_sources (std::string path, std::set<std::string>& result);
1763 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1765 LayerModel layer_model;
1766 CrossfadeModel xfade_model;
1769 }; /* namespace ARDOUR */
1771 #endif /* __ardour_session_h__ */