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 peak_path_from_audio_path (string);
257 static string old_peak_path_from_audio_path (string);
259 void process (jack_nframes_t nframes);
261 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
262 vector<Sample*>& get_silent_buffers (uint32_t howmany);
263 vector<Sample*>& get_send_buffers () { return _send_buffers; }
265 DiskStream *diskstream_by_id (id_t id);
266 DiskStream *diskstream_by_name (string name);
268 bool have_captured() const { return _have_captured; }
270 void refill_all_diskstream_buffers ();
271 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
272 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
273 uint32_t n_diskstreams() const;
275 typedef list<DiskStream *> DiskStreamList;
277 Session::DiskStreamList disk_streams() const {
278 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
279 return diskstreams; /* XXX yes, force a copy */
282 void foreach_diskstream (void (DiskStream::*func)(void));
283 template<class T> void foreach_diskstream (T *obj, void (T::*func)(DiskStream&));
285 typedef slist<Route *> RouteList;
287 RouteList get_routes() const {
288 RWLockMonitor rlock (route_lock, false, __LINE__, __FILE__);
289 return routes; /* XXX yes, force a copy */
292 uint32_t nroutes() const { return routes.size(); }
293 uint32_t ntracks () const;
294 uint32_t nbusses () const;
296 struct RoutePublicOrderSorter {
297 bool operator() (Route *, Route *b);
300 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
301 template<class T> void foreach_route (T *obj, void (T::*func)(Route*));
302 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
304 Route *route_by_name (string);
306 bool route_name_unique (string) const;
308 bool get_record_enabled() const {
309 return (record_status () >= Enabled);
312 RecordState record_status() const {
313 return (RecordState) atomic_read (&_record_status);
316 bool actively_recording () {
317 return record_status() == Recording;
320 bool record_enabling_legal () const;
321 void maybe_enable_record ();
322 void disable_record (bool force = false);
323 void step_back_from_record ();
325 sigc::signal<void> going_away;
327 /* Proxy signal for region hidden changes */
329 sigc::signal<void,Region*> RegionHiddenChange;
331 /* Emitted when all i/o connections are complete */
333 sigc::signal<void> IOConnectionsComplete;
335 /* Record status signals */
337 sigc::signal<void> RecordStateChanged;
339 /* Transport mechanism signals */
341 sigc::signal<void> TransportStateChange; /* generic */
342 sigc::signal<void,jack_nframes_t> PositionChanged; /* sent after any non-sequential motion */
343 sigc::signal<void> DurationChanged;
344 sigc::signal<void> HaltOnXrun;
346 sigc::signal<void,Route*> RouteAdded;
347 sigc::signal<void,DiskStream*> DiskStreamAdded;
349 void request_roll ();
350 void request_bounded_roll (jack_nframes_t start, jack_nframes_t end);
351 void request_stop (bool abort = false);
352 void request_locate (jack_nframes_t frame, bool with_roll = false);
353 void request_auto_loop (bool yn);
354 jack_nframes_t last_transport_start() const { return _last_roll_location; }
355 void goto_end () { request_locate (end_location->start(), false);}
356 void goto_start () { request_locate (0, false); }
357 void use_rf_shuttle_speed ();
358 void request_transport_speed (float speed);
359 void request_overwrite_buffer (DiskStream*);
360 void request_diskstream_speed (DiskStream&, float speed);
361 void request_input_change_handling ();
364 int wipe_diskstream (DiskStream *);
366 int remove_region_from_region_list (Region&);
368 jack_nframes_t current_end_frame() const { return end_location->start(); }
369 jack_nframes_t frame_rate() const { return _current_frame_rate; }
370 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
371 jack_nframes_t frames_per_hour() const { return _frames_per_hour; }
372 jack_nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
376 Locations *locations() { return &_locations; }
378 sigc::signal<void,Location*> auto_loop_location_changed;
379 sigc::signal<void,Location*> auto_punch_location_changed;
380 sigc::signal<void> locations_modified;
382 void set_auto_punch_location (Location *);
383 void set_auto_loop_location (Location *);
411 sigc::signal<void,ControlType> ControlChanged;
413 void set_auto_play (bool yn);
414 void set_auto_return (bool yn);
415 void set_auto_input (bool yn);
416 void reset_input_monitor_state ();
417 void set_input_auto_connect (bool yn);
418 void set_output_auto_connect (AutoConnectOption);
419 void set_punch_in (bool yn);
420 void set_punch_out (bool yn);
421 void set_send_mtc (bool yn);
422 void set_send_mmc (bool yn);
423 void set_mmc_control (bool yn);
424 void set_midi_feedback (bool yn);
425 void set_midi_control (bool yn);
426 void set_do_not_record_plugins (bool yn);
427 void set_crossfades_active (bool yn);
428 void set_seamless_loop (bool yn);
430 bool get_auto_play () const { return auto_play; }
431 bool get_auto_input () const { return auto_input; }
432 bool get_auto_loop () const { return auto_loop; }
433 bool get_seamless_loop () const { return seamless_loop; }
434 bool get_punch_in () const { return punch_in; }
435 bool get_punch_out () const { return punch_out; }
436 bool get_all_safe () const { return all_safe; }
437 bool get_auto_return () const { return auto_return; }
438 bool get_send_mtc () const;
439 bool get_send_mmc () const;
440 bool get_mmc_control () const;
441 bool get_midi_feedback () const;
442 bool get_midi_control () const;
443 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
444 bool get_crossfades_active () const { return crossfades_active; }
446 bool get_input_auto_connect () const;
447 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
455 void set_layer_model (LayerModel);
456 LayerModel get_layer_model () const { return layer_model; }
458 void set_xfade_model (CrossfadeModel);
459 CrossfadeModel get_xfade_model () const { return xfade_model; }
461 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
462 void remove_event (jack_nframes_t frame, Event::Type type);
463 void clear_events (Event::Type type);
465 jack_nframes_t get_block_size() const { return current_block_size; }
466 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
467 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
468 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
470 int save_state (string snapshot_name, bool pending = false);
471 int restore_state (string snapshot_name);
472 int save_template (string template_name);
474 static int rename_template (string old_name, string new_name);
476 static int delete_template (string name);
478 sigc::signal<void,string> StateSaved;
479 sigc::signal<void> StateReady;
481 vector<string*>* possible_states() const;
482 static vector<string*>* possible_states(string path);
484 XMLNode& get_state();
485 int set_state(const XMLNode& node);
486 XMLNode& get_template();
488 void add_instant_xml (XMLNode&, const std::string& dir);
490 void swap_configuration(Configuration** new_config);
491 void copy_configuration(Configuration* new_config);
493 enum StateOfTheState {
498 InitialConnecting = 0x8,
503 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
505 RouteGroup* add_edit_group (string);
506 RouteGroup* add_mix_group (string);
508 RouteGroup *mix_group_by_name (string);
509 RouteGroup *edit_group_by_name (string);
511 sigc::signal<void,RouteGroup*> edit_group_added;
512 sigc::signal<void,RouteGroup*> mix_group_added;
514 template<class T> void foreach_edit_group (T *obj, void (T::*func)(RouteGroup *)) {
515 list<RouteGroup *>::iterator i;
516 for (i = edit_groups.begin(); i != edit_groups.end(); i++) {
521 template<class T> void foreach_mix_group (T *obj, void (T::*func)(RouteGroup *)) {
522 list<RouteGroup *>::iterator i;
523 for (i = mix_groups.begin(); i != mix_groups.end(); i++) {
528 /* fundamental operations. duh. */
531 AudioTrack *new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal);
533 Route *new_audio_route (int input_channels, int output_channels);
535 void remove_route (Route&);
536 void resort_routes (void *src);
538 AudioEngine &engine() { return _engine; };
540 /* configuration. there should really be accessors/mutators
544 float meter_hold () { return _meter_hold; }
545 void set_meter_hold (float);
546 sigc::signal<void> MeterHoldChanged;
548 float meter_falloff () { return _meter_falloff; }
549 void set_meter_falloff (float);
550 sigc::signal<void> MeterFalloffChanged;
554 string click_emphasis_sound;
556 bool click_requested;
557 jack_nframes_t over_length_short;
558 jack_nframes_t over_length_long;
559 bool send_midi_timecode;
560 bool send_midi_machine_control;
561 float shuttle_speed_factor;
562 float shuttle_speed_threshold;
564 float smpte_frames_per_second;
565 bool smpte_drop_frames;
571 jack_nframes_t transport_frame () const {return _transport_frame; }
572 jack_nframes_t audible_frame () const;
574 int set_smpte_type (float fps, bool drop_frames);
576 void bbt_time (jack_nframes_t when, BBT_Time&);
578 ARDOUR::smpte_wrap_t smpte_increment( SMPTE_Time& smpte ) const;
579 ARDOUR::smpte_wrap_t smpte_decrement( SMPTE_Time& smpte ) const;
580 ARDOUR::smpte_wrap_t smpte_increment_subframes( SMPTE_Time& smpte ) const;
581 ARDOUR::smpte_wrap_t smpte_decrement_subframes( SMPTE_Time& smpte ) const;
582 ARDOUR::smpte_wrap_t smpte_increment_seconds( SMPTE_Time& smpte ) const;
583 ARDOUR::smpte_wrap_t smpte_increment_minutes( SMPTE_Time& smpte ) const;
584 ARDOUR::smpte_wrap_t smpte_increment_hours( SMPTE_Time& smpte ) const;
585 void smpte_frames_floor( SMPTE_Time& smpte ) const;
586 void smpte_seconds_floor( SMPTE_Time& smpte ) const;
587 void smpte_minutes_floor( SMPTE_Time& smpte ) const;
588 void smpte_hours_floor( SMPTE_Time& smpte ) const;
589 void smpte_to_sample( SMPTE_Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
590 void sample_to_smpte( jack_nframes_t sample, SMPTE_Time& smpte, bool use_offset, bool use_subframes ) const;
591 void smpte_time (SMPTE_Time &);
592 void smpte_time (jack_nframes_t when, SMPTE_Time&);
593 void smpte_time_subframes (jack_nframes_t when, SMPTE_Time&);
595 void smpte_duration (jack_nframes_t, SMPTE_Time&) const;
596 void smpte_duration_string (char *, jack_nframes_t) const;
598 void set_smpte_offset (jack_nframes_t);
599 jack_nframes_t smpte_offset () const { return _smpte_offset; }
600 void set_smpte_offset_negative (bool);
601 bool smpte_offset_negative () const { return _smpte_offset_negative; }
603 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
605 sigc::signal<void> SMPTEOffsetChanged;
606 sigc::signal<void> SMPTETypeChanged;
608 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
609 SlaveSource slave_source() const { return _slave_type; }
610 bool synced_to_jack() const { return _slave_type == JACK; }
611 float transport_speed() const { return _transport_speed; }
612 bool transport_stopped() const { return _transport_speed == 0.0f; }
613 bool transport_rolling() const { return _transport_speed != 0.0f; }
615 int jack_slave_sync (jack_nframes_t);
617 TempoMap& tempo_map() { return *_tempo_map; }
621 sigc::signal<void,AudioRegion *> AudioRegionAdded;
622 sigc::signal<void,AudioRegion *> AudioRegionRemoved;
624 int region_name (string& result, string base = string(""), bool newlevel = false) const;
625 string new_region_name (string);
626 string path_from_region_name (string name, string identifier);
628 AudioRegion* find_whole_file_parent (AudioRegion&);
629 void find_equivalent_playlist_regions (AudioRegion&, std::vector<AudioRegion*>& result);
631 AudioRegion *XMLRegionFactory (const XMLNode&, bool full);
633 template<class T> void foreach_audio_region (T *obj, void (T::*func)(AudioRegion *));
635 /* source management */
637 struct import_status : public InterThreadInfo {
643 volatile bool freeze;
647 int import_audiofile (import_status&);
648 bool sample_rate_convert (import_status&, string infile, string& outfile);
649 string build_tmp_convert_name (string file);
651 Session::SlaveSource post_export_slave;
652 jack_nframes_t post_export_position;
654 int start_audio_export (ARDOUR::AudioExportSpecification&);
655 int stop_audio_export (ARDOUR::AudioExportSpecification&);
657 void add_source (Source *);
658 int remove_file_source (FileSource&);
660 struct cleanup_report {
661 vector<string> paths;
665 int cleanup_sources (cleanup_report&);
666 int cleanup_trash_sources (cleanup_report&);
668 int destroy_region (Region*);
669 int destroy_regions (list<Region*>);
671 int remove_last_capture ();
673 /* handlers should return -1 for "stop cleanup", 0 for
674 "yes, delete this playlist" and 1 for "no, don't delete
678 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
681 /* handlers should return !0 for use pending state, 0 for
685 static sigc::signal<int> AskAboutPendingState;
687 sigc::signal<void,Source *> SourceAdded;
688 sigc::signal<void,Source *> SourceRemoved;
690 FileSource *create_file_source (ARDOUR::DiskStream&, int32_t chan, bool destructive);
691 Source *get_source (ARDOUR::id_t);
693 /* playlist management */
695 Playlist* playlist_by_name (string name);
696 void add_playlist (Playlist *);
697 sigc::signal<void,Playlist*> PlaylistAdded;
698 sigc::signal<void,Playlist*> PlaylistRemoved;
700 Playlist *get_playlist (string name);
702 uint32_t n_playlists() const;
704 template<class T> void foreach_playlist (T *obj, void (T::*func)(Playlist *));
706 /* named selections */
708 NamedSelection* named_selection_by_name (string name);
709 void add_named_selection (NamedSelection *);
710 void remove_named_selection (NamedSelection *);
712 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
713 sigc::signal<void> NamedSelectionAdded;
714 sigc::signal<void> NamedSelectionRemoved;
718 float get_default_fade_length () const { return default_fade_msecs; }
719 float get_default_fade_steepness () const { return default_fade_steepness; }
720 void set_default_fade (float steepness, float msecs);
724 Auditioner& the_auditioner() { return *auditioner; }
725 void audition_playlist ();
726 void audition_region (AudioRegion&);
727 void cancel_audition ();
728 bool is_auditioning () const;
730 sigc::signal<void,bool> AuditionActive;
732 /* flattening stuff */
734 int write_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<Source*>&,
735 InterThreadInfo& wot);
736 int freeze (InterThreadInfo&);
738 /* session-wide solo/mute/rec-enable */
745 bool soloing() const { return currently_soloing; }
747 SoloModel solo_model() const { return _solo_model; }
748 void set_solo_model (SoloModel);
750 bool solo_latched() const { return _solo_latched; }
751 void set_solo_latched (bool yn);
753 void set_all_solo (bool);
754 void set_all_mute (bool);
756 sigc::signal<void,bool> SoloActive;
758 void record_disenable_all ();
759 void record_enable_all ();
761 /* control/master out */
763 IO* control_out() const { return _control_out; }
764 IO* master_out() const { return _master_out; }
766 /* insert/send management */
768 uint32_t n_port_inserts() const { return _port_inserts.size(); }
769 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
770 uint32_t n_sends() const { return _sends.size(); }
772 string next_send_name();
773 string next_insert_name();
775 /* s/w "RAID" management */
777 jack_nframes_t available_capture_duration();
779 /* I/O Connections */
781 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
782 void add_connection (Connection *);
783 void remove_connection (Connection *);
784 Connection *connection_by_name (string) const;
786 sigc::signal<void,Connection *> ConnectionAdded;
787 sigc::signal<void,Connection *> ConnectionRemoved;
791 int set_mtc_port (string port_tag);
792 int set_mmc_port (string port_tag);
793 int set_midi_port (string port_tag);
794 MIDI::Port *mtc_port() const { return _mtc_port; }
795 MIDI::Port *mmc_port() const { return _mmc_port; }
796 MIDI::Port *midi_port() const { return _midi_port; }
798 sigc::signal<void> MTC_PortChanged;
799 sigc::signal<void> MMC_PortChanged;
800 sigc::signal<void> MIDI_PortChanged;
802 void set_trace_midi_input (bool, MIDI::Port* port = 0);
803 void set_trace_midi_output (bool, MIDI::Port* port = 0);
805 bool get_trace_midi_input(MIDI::Port *port = 0);
806 bool get_trace_midi_output(MIDI::Port *port = 0);
808 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
809 void send_all_midi_feedback ();
811 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
815 void start_scrub (jack_nframes_t where);
817 void set_scrub_speed (float);
818 jack_nframes_t scrub_buffer_size() const;
819 sigc::signal<void> ScrubReady;
821 /* History (for editors, mixers, UIs etc.) */
823 void undo (uint32_t n) {
826 void redo (uint32_t n) {
830 uint32_t undo_depth() const { return history.undo_depth(); }
831 uint32_t redo_depth() const { return history.redo_depth(); }
832 string next_undo() const { return history.next_undo(); }
833 string next_redo() const { return history.next_redo(); }
835 void begin_reversible_command (string cmd_name, UndoAction *private_undo = 0);
836 void commit_reversible_command (UndoAction* private_redo = 0);
838 void add_undo (const UndoAction& ua) {
839 current_cmd.add_undo (ua);
841 void add_redo (const UndoAction& ua) {
842 current_cmd.add_redo (ua);
844 void add_redo_no_execute (const UndoAction& ua) {
845 current_cmd.add_redo_no_execute (ua);
848 UndoAction global_solo_memento (void *src);
849 UndoAction global_mute_memento (void *src);
850 UndoAction global_record_enable_memento (void *src);
851 UndoAction global_metering_memento (void *src);
855 void set_edit_mode (EditMode);
856 EditMode get_edit_mode () const { return _edit_mode; }
860 IO& click_io() { return *_click_io; }
861 void set_clicking (bool yn);
862 bool get_clicking() const;
864 void set_click_sound (string path);
865 void set_click_emphasis_sound (string path);
869 struct TimeStretchRequest {
870 ARDOUR::AudioRegion* region;
871 float fraction; /* session: read ; GUI: write */
872 float progress; /* session: write ; GUI: read */
873 bool running; /* read/write */
874 bool quick_seek; /* GUI: write */
875 bool antialias; /* GUI: write */
877 TimeStretchRequest () : region (0) {}
880 AudioRegion* tempoize_region (TimeStretchRequest&);
882 string raid_path() const;
883 void set_raid_path(string);
885 /* need to call this whenever we change native file formats */
887 void reset_native_file_format();
889 /* disk, buffer loads */
891 uint32_t playback_load ();
892 uint32_t capture_load ();
893 uint32_t playback_load_min ();
894 uint32_t capture_load_min ();
896 void reset_playback_load_min ();
897 void reset_capture_load_min ();
899 float read_data_rate () const;
900 float write_data_rate () const;
904 void set_audio_range (list<AudioRange>&);
905 void set_music_range (list<MusicRange>&);
907 void request_play_range (bool yn);
908 bool get_play_range () const { return _play_range; }
911 typedef vector<string> FavoriteDirs;
913 static int read_favorite_dirs (FavoriteDirs&);
915 static int write_favorite_dirs (FavoriteDirs&);
919 static const char* template_suffix() { return _template_suffix; }
920 static const char* statefile_suffix() { return _statefile_suffix; }
921 static const char* pending_suffix() { return _pending_suffix; }
923 /* buffers for gain and pan */
925 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
926 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
928 /* buffers for conversion */
935 char * conversion_buffer(RunContext context) { return _conversion_buffers[context]; }
939 static long vst_callback (AEffect* effect,
946 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
947 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
948 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
949 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
951 static compute_peak_t compute_peak;
952 static apply_gain_to_buffer_t apply_gain_to_buffer;
953 static mix_buffers_with_gain_t mix_buffers_with_gain;
954 static mix_buffers_no_gain_t mix_buffers_no_gain;
957 friend class AudioEngine;
958 void set_block_size (jack_nframes_t nframes);
959 void set_frame_rate (jack_nframes_t nframes);
962 friend class DiskStream;
964 void wait_till_butler_finished();
968 void schedule_curve_reallocation ();
969 void update_latency_compensation (bool, bool);
972 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
974 static const char* _template_suffix;
975 static const char* _statefile_suffix;
976 static const char* _pending_suffix;
979 PendingDeclickIn = 0x1,
980 PendingDeclickOut = 0x2,
981 StopPendingCapture = 0x4,
982 AutoReturning = 0x10,
983 PendingLocate = 0x20,
984 PendingSetLoop = 0x40
987 /* stuff used in process() should be close together to
991 typedef void (Session::*process_function_type)(jack_nframes_t);
993 AudioEngine &_engine;
994 atomic_t processing_prohibited;
995 process_function_type process_function;
996 process_function_type last_process_function;
997 jack_nframes_t _current_frame_rate;
998 int transport_sub_state;
999 atomic_t _record_status;
1000 jack_nframes_t _transport_frame;
1001 Location* end_location;
1003 SlaveSource _slave_type;
1004 volatile float _transport_speed;
1005 volatile float _desired_transport_speed;
1006 float _last_transport_speed;
1007 jack_nframes_t _last_slave_transport_frame;
1008 jack_nframes_t maximum_output_latency;
1009 jack_nframes_t last_stop_frame;
1010 vector<Sample *> _passthru_buffers;
1011 vector<Sample *> _silent_buffers;
1012 vector<Sample *> _send_buffers;
1013 map<RunContext,char*> _conversion_buffers;
1014 jack_nframes_t current_block_size;
1015 jack_nframes_t _worst_output_latency;
1016 jack_nframes_t _worst_input_latency;
1017 jack_nframes_t _worst_track_latency;
1018 bool _have_captured;
1020 float _meter_falloff;
1021 bool _end_location_is_free;
1023 void set_worst_io_latencies (bool take_lock);
1024 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1025 set_worst_io_latencies (true);
1028 void update_latency_compensation_proxy (void* ignored);
1030 void ensure_passthru_buffers (uint32_t howmany);
1032 void process_scrub (jack_nframes_t);
1033 void process_without_events (jack_nframes_t);
1034 void process_with_events (jack_nframes_t);
1035 void process_audition (jack_nframes_t);
1036 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1038 /* slave tracking */
1040 static const int delta_accumulator_size = 25;
1041 int delta_accumulator_cnt;
1042 long delta_accumulator[delta_accumulator_size];
1043 long average_slave_delta;
1045 bool have_first_delta_accumulator;
1053 SlaveState slave_state;
1054 jack_nframes_t slave_wait_end;
1056 void reset_slave_state ();
1057 bool follow_slave (jack_nframes_t, jack_nframes_t);
1060 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1062 void prepare_diskstreams ();
1063 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1064 int process_routes (jack_nframes_t, jack_nframes_t);
1065 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1067 bool get_rec_monitors_input () {
1068 if (actively_recording()) {
1079 int get_transport_declick_required () {
1081 if (transport_sub_state & PendingDeclickIn) {
1082 transport_sub_state &= ~PendingDeclickIn;
1084 } else if (transport_sub_state & PendingDeclickOut) {
1091 bool maybe_stop (jack_nframes_t limit) {
1092 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1099 void check_declick_out ();
1101 MIDI::MachineControl* mmc;
1102 MIDI::Port* _mmc_port;
1103 MIDI::Port* _mtc_port;
1104 MIDI::Port* _midi_port;
1107 bool do_not_record_plugins;
1117 jack_nframes_t last_loopend;
1119 bool crossfades_active;
1129 RingBuffer<Event*> pending_events;
1132 void when_engine_running ();
1133 sigc::connection first_time_running;
1134 void graph_reordered ();
1136 string _current_snapshot_name;
1138 XMLTree* state_tree;
1139 bool state_was_pending;
1140 StateOfTheState _state_of_the_state;
1143 int load_options (const XMLNode&);
1144 XMLNode& get_options () const;
1145 int load_state (string snapshot_name);
1147 jack_nframes_t _last_roll_location;
1148 jack_nframes_t _last_record_location;
1149 bool pending_locate_roll;
1150 jack_nframes_t pending_locate_frame;
1152 bool pending_locate_flush;
1154 bool pending_auto_loop;
1156 Sample* butler_mixdown_buffer;
1157 float* butler_gain_buffer;
1158 pthread_t butler_thread;
1159 PBD::NonBlockingLock butler_request_lock;
1160 pthread_cond_t butler_paused;
1161 bool butler_should_run;
1162 atomic_t butler_should_do_transport_work;
1163 int butler_request_pipe[2];
1165 struct ButlerRequest {
1174 enum PostTransportWork {
1175 PostTransportStop = 0x1,
1176 PostTransportDisableRecord = 0x2,
1177 PostTransportPosition = 0x8,
1178 PostTransportDidRecord = 0x20,
1179 PostTransportDuration = 0x40,
1180 PostTransportLocate = 0x80,
1181 PostTransportRoll = 0x200,
1182 PostTransportAbort = 0x800,
1183 PostTransportOverWrite = 0x1000,
1184 PostTransportSpeed = 0x2000,
1185 PostTransportAudition = 0x4000,
1186 PostTransportScrub = 0x8000,
1187 PostTransportReverse = 0x10000,
1188 PostTransportInputChange = 0x20000,
1189 PostTransportCurveRealloc = 0x40000
1192 static const PostTransportWork ProcessCannotProceedMask =
1193 PostTransportWork (PostTransportInputChange|
1195 PostTransportReverse|
1196 PostTransportCurveRealloc|
1198 PostTransportAudition|
1199 PostTransportLocate|
1202 PostTransportWork post_transport_work;
1204 void summon_butler ();
1205 void schedule_butler_transport_work ();
1206 int start_butler_thread ();
1207 void terminate_butler_thread ();
1208 static void *_butler_thread_work (void *arg);
1209 void* butler_thread_work ();
1211 uint32_t cumulative_rf_motion;
1214 void set_rf_speed (float speed);
1215 void reset_rf_scale (jack_nframes_t frames_moved);
1217 Locations _locations;
1218 void locations_changed ();
1219 void locations_added (Location*);
1220 void handle_locations_changed (Locations::LocationList&);
1222 sigc::connection auto_punch_start_changed_connection;
1223 sigc::connection auto_punch_end_changed_connection;
1224 sigc::connection auto_punch_changed_connection;
1225 void auto_punch_start_changed (Location *);
1226 void auto_punch_end_changed (Location *);
1227 void auto_punch_changed (Location *);
1229 sigc::connection auto_loop_start_changed_connection;
1230 sigc::connection auto_loop_end_changed_connection;
1231 sigc::connection auto_loop_changed_connection;
1232 void auto_loop_changed (Location *);
1234 typedef list<Event *> Events;
1236 Events immediate_events;
1237 Events::iterator next_event;
1239 /* there can only ever be one of each of these */
1241 Event *auto_loop_event;
1242 Event *punch_out_event;
1243 Event *punch_in_event;
1247 void dump_events () const;
1248 void queue_event (Event *ev);
1249 void merge_event (Event*);
1250 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1251 bool _replace_event (Event*);
1252 bool _remove_event (Event *);
1253 void _clear_event_type (Event::Type);
1255 void first_stage_init (string path, string snapshot_name);
1256 int second_stage_init (bool new_tracks);
1257 void find_current_end ();
1258 void remove_empty_sounds ();
1260 void setup_midi_control ();
1261 int midi_read (MIDI::Port *);
1263 void enable_record ();
1265 void increment_transport_position (uint32_t val) {
1266 if (max_frames - val < _transport_frame) {
1267 _transport_frame = max_frames;
1269 _transport_frame += val;
1273 void decrement_transport_position (uint32_t val) {
1274 if (val < _transport_frame) {
1275 _transport_frame -= val;
1277 _transport_frame = 0;
1281 void post_transport_motion ();
1282 static void *session_loader_thread (void *arg);
1286 void set_next_event ();
1287 void process_event (Event *);
1289 /* MIDI Machine Control */
1291 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1292 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1293 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1295 void spp_start (MIDI::Parser&);
1296 void spp_continue (MIDI::Parser&);
1297 void spp_stop (MIDI::Parser&);
1299 void mmc_deferred_play (MIDI::MachineControl &);
1300 void mmc_stop (MIDI::MachineControl &);
1301 void mmc_step (MIDI::MachineControl &, int);
1302 void mmc_pause (MIDI::MachineControl &);
1303 void mmc_record_pause (MIDI::MachineControl &);
1304 void mmc_record_strobe (MIDI::MachineControl &);
1305 void mmc_record_exit (MIDI::MachineControl &);
1306 void mmc_track_record_status (MIDI::MachineControl &,
1307 uint32_t track, bool enabled);
1308 void mmc_fast_forward (MIDI::MachineControl &);
1309 void mmc_rewind (MIDI::MachineControl &);
1310 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1311 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1312 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1314 struct timeval last_mmc_step;
1317 typedef sigc::slot<bool> MidiTimeoutCallback;
1318 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1320 MidiTimeoutList midi_timeouts;
1321 bool mmc_step_timeout ();
1323 MIDI::byte mmc_buffer[32];
1324 MIDI::byte mtc_msg[16];
1325 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1326 MIDI::byte midi_msg[16];
1327 jack_nframes_t outbound_mtc_smpte_frame;
1328 SMPTE_Time transmitting_smpte_time;
1329 int next_quarter_frame_to_send;
1331 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1332 jack_nframes_t _frames_per_hour;
1333 jack_nframes_t _smpte_frames_per_hour;
1334 jack_nframes_t _smpte_offset;
1335 bool _smpte_offset_negative;
1337 /* cache the most-recently requested time conversions.
1338 this helps when we have multiple clocks showing the
1339 same time (e.g. the transport frame)
1342 bool last_smpte_valid;
1343 jack_nframes_t last_smpte_when;
1344 SMPTE_Time last_smpte;
1346 int send_full_time_code ();
1347 int send_midi_time_code ();
1349 void send_full_time_code_in_another_thread ();
1350 void send_midi_time_code_in_another_thread ();
1351 void send_time_code_in_another_thread (bool full);
1352 void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1356 typedef sigc::slot<int> FeedbackFunctionPtr;
1357 static void* _feedback_thread_work (void *);
1358 void* feedback_thread_work ();
1359 int feedback_generic_midi_function ();
1360 std::list<FeedbackFunctionPtr> feedback_functions;
1361 int active_feedback;
1362 int feedback_request_pipe[2];
1363 pthread_t feedback_thread;
1365 struct FeedbackRequest {
1373 int init_feedback();
1374 int start_feedback ();
1375 int stop_feedback ();
1376 void terminate_feedback ();
1377 int poke_feedback (FeedbackRequest::Type);
1379 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1381 void reset_record_status ();
1383 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1385 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1386 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1388 struct MIDIRequest {
1401 MIDI::MachineControl::Command mmc_cmd;
1402 jack_nframes_t locate_frame;
1404 // for SendMessage type
1407 MIDI::channel_t chan;
1409 MIDI::EventTwoBytes data;
1420 void *operator new(size_t ignored) {
1421 return pool.alloc ();
1424 void operator delete(void *ptr, size_t size) {
1429 static MultiAllocSingleReleasePool pool;
1432 PBD::Lock midi_lock;
1433 pthread_t midi_thread;
1434 int midi_request_pipe[2];
1435 atomic_t butler_active;
1436 RingBuffer<MIDIRequest*> midi_requests;
1438 int start_midi_thread ();
1439 void terminate_midi_thread ();
1440 void poke_midi_thread ();
1441 static void *_midi_thread_work (void *arg);
1442 void midi_thread_work ();
1443 void change_midi_ports ();
1444 int use_config_midi_ports ();
1446 bool waiting_to_start;
1448 void set_auto_loop (bool yn);
1449 void overwrite_some_buffers (DiskStream*);
1450 void flush_all_redirects ();
1451 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1452 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1453 void force_locate (jack_nframes_t frame, bool with_roll = false);
1454 void set_diskstream_speed (DiskStream*, float speed);
1455 void set_transport_speed (float speed, bool abort = false);
1456 void stop_transport (bool abort = false);
1457 void start_transport ();
1458 void actually_start_transport ();
1459 void realtime_stop (bool abort);
1460 void non_realtime_start_scrub ();
1461 void non_realtime_set_speed ();
1462 void non_realtime_stop (bool abort);
1463 void non_realtime_overwrite ();
1464 void non_realtime_buffer_fill ();
1465 void butler_transport_work ();
1466 void post_transport ();
1467 void engine_halted ();
1468 void xrun_recovery ();
1470 TempoMap *_tempo_map;
1471 void tempo_map_changed (Change);
1473 /* edit/mix groups */
1475 int load_route_groups (const XMLNode&, bool is_edit);
1476 int load_edit_groups (const XMLNode&);
1477 int load_mix_groups (const XMLNode&);
1480 list<RouteGroup *> edit_groups;
1481 list<RouteGroup *> mix_groups;
1485 DiskStreamList diskstreams;
1486 mutable PBD::NonBlockingRWLock diskstream_lock;
1487 uint32_t dstream_buffer_size;
1488 void add_diskstream (DiskStream*);
1489 int load_diskstreams (const XMLNode&);
1494 mutable PBD::NonBlockingRWLock route_lock;
1495 void add_route (Route*);
1497 int load_routes (const XMLNode&);
1498 Route* XMLRouteFactory (const XMLNode&);
1503 SoloModel _solo_model;
1504 bool solo_update_disabled;
1505 bool currently_soloing;
1507 void route_mute_changed (void *src);
1508 void route_solo_changed (void *src, Route *);
1509 void catch_up_on_solo ();
1510 void update_route_solo_state ();
1511 void modify_solo_mute (bool, bool);
1512 void strip_portname_for_solo (string& portname);
1514 /* REGION MANAGEMENT */
1516 mutable PBD::Lock region_lock;
1517 typedef map<ARDOUR::id_t,AudioRegion *> AudioRegionList;
1518 AudioRegionList audio_regions;
1520 void region_renamed (Region *);
1521 void region_changed (Change, Region *);
1522 void add_region (Region *);
1523 void remove_region (Region *);
1525 int load_regions (const XMLNode& node);
1529 mutable PBD::Lock source_lock;
1530 typedef std::map<id_t, Source *> SourceList;
1534 int load_sources (const XMLNode& node);
1535 XMLNode& get_sources_as_xml ();
1537 void remove_source (Source *);
1539 Source *XMLSourceFactory (const XMLNode&);
1543 mutable PBD::Lock playlist_lock;
1544 typedef set<Playlist *> PlaylistList;
1545 PlaylistList playlists;
1546 PlaylistList unused_playlists;
1548 int load_playlists (const XMLNode&);
1549 int load_unused_playlists (const XMLNode&);
1550 void remove_playlist (Playlist *);
1551 void track_playlist (Playlist *, bool);
1553 Playlist *playlist_factory (string name);
1554 Playlist *XMLPlaylistFactory (const XMLNode&);
1556 void playlist_length_changed (Playlist *);
1557 void diskstream_playlist_changed (DiskStream *);
1559 /* NAMED SELECTIONS */
1561 mutable PBD::Lock named_selection_lock;
1562 typedef set<NamedSelection *> NamedSelectionList;
1563 NamedSelectionList named_selections;
1565 int load_named_selections (const XMLNode&);
1567 NamedSelection *named_selection_factory (string name);
1568 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1570 /* DEFAULT FADE CURVES */
1572 float default_fade_steepness;
1573 float default_fade_msecs;
1577 Auditioner *auditioner;
1578 void set_audition (AudioRegion*);
1579 void non_realtime_set_audition ();
1580 AudioRegion *pending_audition_region;
1586 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1588 /* INSERT AND SEND MANAGEMENT */
1590 slist<PortInsert *> _port_inserts;
1591 slist<PluginInsert *> _plugin_inserts;
1592 slist<Send *> _sends;
1594 uint32_t insert_cnt;
1596 void add_redirect (Redirect *);
1597 void remove_redirect (Redirect *);
1601 struct space_and_path {
1602 uint32_t blocks; /* 4kB blocks */
1610 struct space_and_path_ascending_cmp {
1611 bool operator() (space_and_path a, space_and_path b) {
1612 return a.blocks > b.blocks;
1616 void setup_raid_path (string path);
1618 vector<space_and_path> session_dirs;
1619 vector<space_and_path>::iterator last_rr_session_dir;
1620 uint32_t _total_free_4k_blocks;
1621 PBD::Lock space_lock;
1623 static const char* sound_dir_name;
1624 static const char* tape_dir_name;
1625 static const char* dead_sound_dir_name;
1626 static const char* peak_dir_name;
1628 string discover_best_sound_dir (bool destructive = false);
1629 int ensure_sound_dir (string, string&);
1630 void refresh_disk_space ();
1632 atomic_t _playback_load;
1633 atomic_t _capture_load;
1634 atomic_t _playback_load_min;
1635 atomic_t _capture_load_min;
1637 /* I/O Connections */
1639 typedef list<Connection *> ConnectionList;
1640 mutable PBD::Lock connection_lock;
1641 ConnectionList _connections;
1642 int load_connections (const XMLNode&);
1644 int set_slave_source (SlaveSource, jack_nframes_t);
1646 void reverse_diskstream_buffers ();
1648 UndoHistory history;
1649 UndoCommand current_cmd;
1651 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1652 GlobalRouteMeterState get_global_route_metering ();
1654 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1655 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1657 void set_global_mute (GlobalRouteBooleanState s, void *src);
1658 void set_global_solo (GlobalRouteBooleanState s, void *src);
1659 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1661 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1662 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1663 void record_enable_change_all (bool yn);
1665 XMLNode& state(bool);
1670 jack_nframes_t start;
1671 jack_nframes_t duration;
1672 jack_nframes_t offset;
1675 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1676 : start (s), duration (d), data (b) { offset = 0; }
1678 void *operator new(size_t ignored) {
1679 return pool.alloc ();
1682 void operator delete(void *ptr, size_t size) {
1690 typedef list<Click*> Clicks;
1696 Sample* click_emphasis_data;
1697 jack_nframes_t click_length;
1698 jack_nframes_t click_emphasis_length;
1699 mutable PBD::NonBlockingRWLock click_lock;
1701 static const Sample default_click[];
1702 static const jack_nframes_t default_click_length;
1703 static const Sample default_click_emphasis[];
1704 static const jack_nframes_t default_click_emphasis_length;
1707 void setup_click_sounds (int which);
1708 void clear_clicks ();
1709 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1711 vector<Route*> master_outs;
1713 EditMode _edit_mode;
1714 EditMode pending_edit_mode;
1716 /* range playback */
1718 list<AudioRange> current_audio_range;
1720 void set_play_range (bool yn);
1721 void setup_auto_play ();
1729 AutoConnectOption input_auto_connect;
1730 AutoConnectOption output_auto_connect;
1732 gain_t* _gain_automation_buffer;
1733 pan_t** _pan_automation_buffer;
1734 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1735 uint32_t _npan_buffers;
1739 long _vst_callback (VSTPlugin*,
1746 /* number of hardware audio ports we're using,
1747 based on max (requested,available)
1750 uint32_t n_physical_outputs;
1751 uint32_t n_physical_inputs;
1753 void remove_pending_capture_state ();
1755 int find_all_sources (std::string path, std::set<std::string>& result);
1756 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1758 LayerModel layer_model;
1759 CrossfadeModel xfade_model;
1762 }; /* namespace ARDOUR */
1764 #endif /* __ardour_session_h__ */