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__
34 #include <pbd/error.h>
35 #include <pbd/atomic.h>
36 #include <pbd/lockmonitor.h>
40 #include <midi++/types.h>
41 #include <midi++/mmc.h>
43 #include <ardour/ardour.h>
44 #include <ardour/configuration.h>
45 #include <ardour/location.h>
46 #include <ardour/stateful.h>
47 #include <ardour/gain.h>
48 #include <ardour/io.h>
82 class ControlProtocolManager;
84 struct AudioExportSpecification;
93 class Session : public sigc::trackable, public Stateful
97 typedef std::pair<Route*,bool> RouteBooleanState;
98 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
99 typedef std::pair<Route*,MeterPoint> RouteMeterState;
100 typedef vector<RouteMeterState> GlobalRouteMeterState;
115 enum AutoConnectOption {
116 AutoConnectPhysical = 0x1,
117 AutoConnectMaster = 0x2
134 InputConfigurationChange,
138 /* only one of each of these events
139 can be queued at any one time
155 jack_nframes_t action_frame;
156 jack_nframes_t target_frame;
162 Session::SlaveSource slave;
165 list<AudioRange> audio_range;
166 list<MusicRange> music_range;
168 Event(Type t, Action a, jack_nframes_t when, jack_nframes_t where, float spd, bool yn = false)
172 target_frame (where),
176 void set_ptr (void* p) {
180 bool before (const Event& other) const {
181 return action_frame < other.action_frame;
184 bool after (const Event& other) const {
185 return action_frame > other.action_frame;
188 static bool compare (const Event *e1, const Event *e2) {
189 return e1->before (*e2);
192 void *operator new (size_t ignored) {
193 return pool.alloc ();
196 void operator delete(void *ptr, size_t size) {
200 static const jack_nframes_t Immediate = 0;
203 static MultiAllocSingleReleasePool pool;
206 /* creating from an XML file */
208 Session (AudioEngine&,
210 string snapshot_name,
211 string* mix_template = 0);
213 /* creating a new Session */
215 Session (AudioEngine&,
217 string snapshot_name,
218 AutoConnectOption input_auto_connect,
219 AutoConnectOption output_auto_connect,
220 uint32_t control_out_channels,
221 uint32_t master_out_channels,
222 uint32_t n_physical_in,
223 uint32_t n_physical_out,
224 jack_nframes_t initial_length);
229 static int find_session (string str, string& path, string& snapshot, bool& isnew);
231 string path() const { return _path; }
232 string name() const { return _name; }
233 string snap_name() const { return _current_snapshot_name; }
235 void set_snap_name ();
239 bool dirty() const { return _state_of_the_state & Dirty; }
240 sigc::signal<void> DirtyChanged;
242 std::string sound_dir () const;
243 std::string tape_dir () const;
244 std::string peak_dir () const;
245 std::string dead_sound_dir () const;
246 std::string automation_dir () const;
248 static string suffixed_search_path (std::string suffix, bool data);
249 static string control_protocol_path ();
250 static string template_path ();
251 static string template_dir ();
252 static void get_template_list (list<string>&);
254 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
255 static string peak_path_from_audio_path (string);
256 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
258 void process (jack_nframes_t nframes);
260 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
261 vector<Sample*>& get_silent_buffers (uint32_t howmany);
262 vector<Sample*>& get_send_buffers () { return _send_buffers; }
264 DiskStream *diskstream_by_id (id_t id);
265 DiskStream *diskstream_by_name (string name);
267 bool have_captured() const { return _have_captured; }
269 void refill_all_diskstream_buffers ();
270 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
271 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
272 uint32_t n_diskstreams() const;
274 typedef list<DiskStream *> DiskStreamList;
276 Session::DiskStreamList disk_streams() const {
277 RWLockMonitor lm (diskstream_lock, false, __LINE__, __FILE__);
278 return diskstreams; /* XXX yes, force a copy */
281 void foreach_diskstream (void (DiskStream::*func)(void));
282 template<class T> void foreach_diskstream (T *obj, void (T::*func)(DiskStream&));
284 typedef list<Route *> RouteList;
286 RouteList get_routes() const {
287 RWLockMonitor rlock (route_lock, false, __LINE__, __FILE__);
288 return routes; /* XXX yes, force a copy */
291 uint32_t nroutes() const { return routes.size(); }
292 uint32_t ntracks () const;
293 uint32_t nbusses () const;
295 struct RoutePublicOrderSorter {
296 bool operator() (Route *, Route *b);
299 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
300 template<class T> void foreach_route (T *obj, void (T::*func)(Route*));
301 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
303 Route *route_by_name (string);
304 Route *route_by_remote_id (uint32_t id);
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 rt_context, 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 (start_location->start(), 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 get_maximum_extent () const;
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 *);
415 sigc::signal<void,ControlType> ControlChanged;
417 void set_auto_play (bool yn);
418 void set_auto_return (bool yn);
419 void set_auto_input (bool yn);
420 void reset_input_monitor_state ();
421 void set_input_auto_connect (bool yn);
422 void set_output_auto_connect (AutoConnectOption);
423 void set_punch_in (bool yn);
424 void set_punch_out (bool yn);
425 void set_send_mtc (bool yn);
426 void set_send_mmc (bool yn);
427 void set_mmc_control (bool yn);
428 void set_midi_feedback (bool yn);
429 void set_midi_control (bool yn);
430 void set_do_not_record_plugins (bool yn);
431 void set_crossfades_active (bool yn);
432 void set_seamless_loop (bool yn);
434 bool get_auto_play () const { return auto_play; }
435 bool get_auto_input () const { return auto_input; }
436 bool get_auto_loop () const { return auto_loop; }
437 bool get_seamless_loop () const { return seamless_loop; }
438 bool get_punch_in () const { return punch_in; }
439 bool get_punch_out () const { return punch_out; }
440 bool get_all_safe () const { return all_safe; }
441 bool get_auto_return () const { return auto_return; }
442 bool get_send_mtc () const;
443 bool get_send_mmc () const;
444 bool get_mmc_control () const;
445 bool get_midi_feedback () const;
446 bool get_midi_control () const;
447 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
448 bool get_crossfades_active () const { return crossfades_active; }
450 bool get_input_auto_connect () const;
451 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
459 void set_layer_model (LayerModel);
460 LayerModel get_layer_model () const { return layer_model; }
462 void set_xfade_model (CrossfadeModel);
463 CrossfadeModel get_xfade_model () const { return xfade_model; }
465 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
466 void remove_event (jack_nframes_t frame, Event::Type type);
467 void clear_events (Event::Type type);
469 jack_nframes_t get_block_size() const { return current_block_size; }
470 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
471 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
472 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
474 int save_state (string snapshot_name, bool pending = false);
475 int restore_state (string snapshot_name);
476 int save_template (string template_name);
478 static int rename_template (string old_name, string new_name);
480 static int delete_template (string name);
482 sigc::signal<void,string> StateSaved;
483 sigc::signal<void> StateReady;
485 vector<string*>* possible_states() const;
486 static vector<string*>* possible_states(string path);
488 XMLNode& get_state();
489 int set_state(const XMLNode& node);
490 XMLNode& get_template();
492 void add_instant_xml (XMLNode&, const std::string& dir);
494 void swap_configuration(Configuration** new_config);
495 void copy_configuration(Configuration* new_config);
497 enum StateOfTheState {
502 InitialConnecting = 0x8,
507 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
509 RouteGroup* add_edit_group (string);
510 RouteGroup* add_mix_group (string);
512 void remove_edit_group (RouteGroup&);
513 void remove_mix_group (RouteGroup&);
515 RouteGroup *mix_group_by_name (string);
516 RouteGroup *edit_group_by_name (string);
518 sigc::signal<void,RouteGroup*> edit_group_added;
519 sigc::signal<void,RouteGroup*> mix_group_added;
520 sigc::signal<void> edit_group_removed;
521 sigc::signal<void> mix_group_removed;
523 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
524 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
529 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
530 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
535 /* fundamental operations. duh. */
538 AudioTrack *new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal);
540 Route *new_audio_route (int input_channels, int output_channels);
542 void remove_route (Route&);
543 void resort_routes (void *src);
545 AudioEngine &engine() { return _engine; };
547 /* configuration. there should really be accessors/mutators
551 float meter_hold () { return _meter_hold; }
552 void set_meter_hold (float);
553 sigc::signal<void> MeterHoldChanged;
555 float meter_falloff () { return _meter_falloff; }
556 void set_meter_falloff (float);
557 sigc::signal<void> MeterFalloffChanged;
561 string click_emphasis_sound;
563 bool click_requested;
564 jack_nframes_t over_length_short;
565 jack_nframes_t over_length_long;
566 bool send_midi_timecode;
567 bool send_midi_machine_control;
568 float shuttle_speed_factor;
569 float shuttle_speed_threshold;
571 float smpte_frames_per_second;
572 bool smpte_drop_frames;
578 jack_nframes_t transport_frame () const {return _transport_frame; }
579 jack_nframes_t audible_frame () const;
581 int set_smpte_type (float fps, bool drop_frames);
583 void bbt_time (jack_nframes_t when, BBT_Time&);
585 ARDOUR::smpte_wrap_t smpte_increment( SMPTE_Time& smpte ) const;
586 ARDOUR::smpte_wrap_t smpte_decrement( SMPTE_Time& smpte ) const;
587 ARDOUR::smpte_wrap_t smpte_increment_subframes( SMPTE_Time& smpte ) const;
588 ARDOUR::smpte_wrap_t smpte_decrement_subframes( SMPTE_Time& smpte ) const;
589 ARDOUR::smpte_wrap_t smpte_increment_seconds( SMPTE_Time& smpte ) const;
590 ARDOUR::smpte_wrap_t smpte_increment_minutes( SMPTE_Time& smpte ) const;
591 ARDOUR::smpte_wrap_t smpte_increment_hours( SMPTE_Time& smpte ) const;
592 void smpte_frames_floor( SMPTE_Time& smpte ) const;
593 void smpte_seconds_floor( SMPTE_Time& smpte ) const;
594 void smpte_minutes_floor( SMPTE_Time& smpte ) const;
595 void smpte_hours_floor( SMPTE_Time& smpte ) const;
596 void smpte_to_sample( SMPTE_Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
597 void sample_to_smpte( jack_nframes_t sample, SMPTE_Time& smpte, bool use_offset, bool use_subframes ) const;
598 void smpte_time (SMPTE_Time &);
599 void smpte_time (jack_nframes_t when, SMPTE_Time&);
600 void smpte_time_subframes (jack_nframes_t when, SMPTE_Time&);
602 void smpte_duration (jack_nframes_t, SMPTE_Time&) const;
603 void smpte_duration_string (char *, jack_nframes_t) const;
605 void set_smpte_offset (jack_nframes_t);
606 jack_nframes_t smpte_offset () const { return _smpte_offset; }
607 void set_smpte_offset_negative (bool);
608 bool smpte_offset_negative () const { return _smpte_offset_negative; }
610 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
612 sigc::signal<void> SMPTEOffsetChanged;
613 sigc::signal<void> SMPTETypeChanged;
615 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
616 SlaveSource slave_source() const { return _slave_type; }
617 bool synced_to_jack() const { return _slave_type == JACK; }
618 float transport_speed() const { return _transport_speed; }
619 bool transport_stopped() const { return _transport_speed == 0.0f; }
620 bool transport_rolling() const { return _transport_speed != 0.0f; }
622 int jack_slave_sync (jack_nframes_t);
624 TempoMap& tempo_map() { return *_tempo_map; }
628 sigc::signal<void,AudioRegion *> AudioRegionAdded;
629 sigc::signal<void,AudioRegion *> AudioRegionRemoved;
631 int region_name (string& result, string base = string(""), bool newlevel = false) const;
632 string new_region_name (string);
633 string path_from_region_name (string name, string identifier);
635 AudioRegion* find_whole_file_parent (AudioRegion&);
636 void find_equivalent_playlist_regions (AudioRegion&, std::vector<AudioRegion*>& result);
638 AudioRegion *XMLRegionFactory (const XMLNode&, bool full);
640 template<class T> void foreach_audio_region (T *obj, void (T::*func)(AudioRegion *));
642 /* source management */
644 struct import_status : public InterThreadInfo {
650 volatile bool freeze;
654 std::vector<AudioRegion*> new_regions;
658 int import_audiofile (import_status&);
659 bool sample_rate_convert (import_status&, string infile, string& outfile);
660 string build_tmp_convert_name (string file);
662 Session::SlaveSource post_export_slave;
663 jack_nframes_t post_export_position;
665 int start_audio_export (ARDOUR::AudioExportSpecification&);
666 int stop_audio_export (ARDOUR::AudioExportSpecification&);
668 void add_source (Source *);
669 int remove_file_source (FileSource&);
671 struct cleanup_report {
672 vector<string> paths;
676 int cleanup_sources (cleanup_report&);
677 int cleanup_trash_sources (cleanup_report&);
679 int destroy_region (Region*);
680 int destroy_regions (list<Region*>);
682 int remove_last_capture ();
684 /* handlers should return -1 for "stop cleanup", 0 for
685 "yes, delete this playlist" and 1 for "no, don't delete
689 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
692 /* handlers should return !0 for use pending state, 0 for
696 static sigc::signal<int> AskAboutPendingState;
698 sigc::signal<void,Source *> SourceAdded;
699 sigc::signal<void,Source *> SourceRemoved;
701 FileSource *create_file_source (ARDOUR::DiskStream&, int32_t chan, bool destructive);
702 Source *get_source (ARDOUR::id_t);
704 /* playlist management */
706 Playlist* playlist_by_name (string name);
707 void add_playlist (Playlist *);
708 sigc::signal<void,Playlist*> PlaylistAdded;
709 sigc::signal<void,Playlist*> PlaylistRemoved;
711 Playlist *get_playlist (string name);
713 uint32_t n_playlists() const;
715 template<class T> void foreach_playlist (T *obj, void (T::*func)(Playlist *));
717 /* named selections */
719 NamedSelection* named_selection_by_name (string name);
720 void add_named_selection (NamedSelection *);
721 void remove_named_selection (NamedSelection *);
723 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
724 sigc::signal<void> NamedSelectionAdded;
725 sigc::signal<void> NamedSelectionRemoved;
729 float get_default_fade_length () const { return default_fade_msecs; }
730 float get_default_fade_steepness () const { return default_fade_steepness; }
731 void set_default_fade (float steepness, float msecs);
735 Auditioner& the_auditioner() { return *auditioner; }
736 void audition_playlist ();
737 void audition_region (AudioRegion&);
738 void cancel_audition ();
739 bool is_auditioning () const;
741 sigc::signal<void,bool> AuditionActive;
743 /* flattening stuff */
745 int write_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<Source*>&,
746 InterThreadInfo& wot);
747 int freeze (InterThreadInfo&);
749 /* session-wide solo/mute/rec-enable */
756 bool soloing() const { return currently_soloing; }
758 SoloModel solo_model() const { return _solo_model; }
759 void set_solo_model (SoloModel);
761 bool solo_latched() const { return _solo_latched; }
762 void set_solo_latched (bool yn);
764 void set_all_solo (bool);
765 void set_all_mute (bool);
767 sigc::signal<void,bool> SoloActive;
769 void record_disenable_all ();
770 void record_enable_all ();
772 /* control/master out */
774 IO* control_out() const { return _control_out; }
775 IO* master_out() const { return _master_out; }
777 /* insert/send management */
779 uint32_t n_port_inserts() const { return _port_inserts.size(); }
780 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
781 uint32_t n_sends() const { return _sends.size(); }
783 string next_send_name();
784 string next_insert_name();
786 /* s/w "RAID" management */
788 jack_nframes_t available_capture_duration();
790 /* I/O Connections */
792 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
793 void add_connection (Connection *);
794 void remove_connection (Connection *);
795 Connection *connection_by_name (string) const;
797 sigc::signal<void,Connection *> ConnectionAdded;
798 sigc::signal<void,Connection *> ConnectionRemoved;
802 int set_mtc_port (string port_tag);
803 int set_mmc_port (string port_tag);
804 int set_midi_port (string port_tag);
805 MIDI::Port *mtc_port() const { return _mtc_port; }
806 MIDI::Port *mmc_port() const { return _mmc_port; }
807 MIDI::Port *midi_port() const { return _midi_port; }
809 sigc::signal<void> MTC_PortChanged;
810 sigc::signal<void> MMC_PortChanged;
811 sigc::signal<void> MIDI_PortChanged;
813 void set_trace_midi_input (bool, MIDI::Port* port = 0);
814 void set_trace_midi_output (bool, MIDI::Port* port = 0);
816 bool get_trace_midi_input(MIDI::Port *port = 0);
817 bool get_trace_midi_output(MIDI::Port *port = 0);
819 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
821 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
825 void start_scrub (jack_nframes_t where);
827 void set_scrub_speed (float);
828 jack_nframes_t scrub_buffer_size() const;
829 sigc::signal<void> ScrubReady;
831 /* History (for editors, mixers, UIs etc.) */
833 void undo (uint32_t n) {
836 void redo (uint32_t n) {
840 uint32_t undo_depth() const { return history.undo_depth(); }
841 uint32_t redo_depth() const { return history.redo_depth(); }
842 string next_undo() const { return history.next_undo(); }
843 string next_redo() const { return history.next_redo(); }
845 void begin_reversible_command (string cmd_name, UndoAction *private_undo = 0);
846 void commit_reversible_command (UndoAction* private_redo = 0);
848 void add_undo (const UndoAction& ua) {
849 current_cmd.add_undo (ua);
851 void add_redo (const UndoAction& ua) {
852 current_cmd.add_redo (ua);
854 void add_redo_no_execute (const UndoAction& ua) {
855 current_cmd.add_redo_no_execute (ua);
858 UndoAction global_solo_memento (void *src);
859 UndoAction global_mute_memento (void *src);
860 UndoAction global_record_enable_memento (void *src);
861 UndoAction global_metering_memento (void *src);
865 void set_edit_mode (EditMode);
866 EditMode get_edit_mode () const { return _edit_mode; }
870 IO& click_io() { return *_click_io; }
871 void set_clicking (bool yn);
872 bool get_clicking() const;
874 void set_click_sound (string path);
875 void set_click_emphasis_sound (string path);
879 struct TimeStretchRequest {
880 ARDOUR::AudioRegion* region;
881 float fraction; /* session: read ; GUI: write */
882 float progress; /* session: write ; GUI: read */
883 bool running; /* read/write */
884 bool quick_seek; /* GUI: write */
885 bool antialias; /* GUI: write */
887 TimeStretchRequest () : region (0) {}
890 AudioRegion* tempoize_region (TimeStretchRequest&);
892 string raid_path() const;
893 void set_raid_path(string);
895 /* need to call this whenever we change native file formats */
897 void reset_native_file_format();
899 /* disk, buffer loads */
901 uint32_t playback_load ();
902 uint32_t capture_load ();
903 uint32_t playback_load_min ();
904 uint32_t capture_load_min ();
906 void reset_playback_load_min ();
907 void reset_capture_load_min ();
909 float read_data_rate () const;
910 float write_data_rate () const;
914 void set_audio_range (list<AudioRange>&);
915 void set_music_range (list<MusicRange>&);
917 void request_play_range (bool yn);
918 bool get_play_range () const { return _play_range; }
921 typedef vector<string> FavoriteDirs;
923 static int read_favorite_dirs (FavoriteDirs&);
925 static int write_favorite_dirs (FavoriteDirs&);
929 static const char* template_suffix() { return _template_suffix; }
930 static const char* statefile_suffix() { return _statefile_suffix; }
931 static const char* pending_suffix() { return _pending_suffix; }
933 /* buffers for gain and pan */
935 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
936 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
938 /* buffers for conversion */
945 char * conversion_buffer(RunContext context) { return _conversion_buffers[context]; }
949 static long vst_callback (AEffect* effect,
956 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
957 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
958 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
959 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
961 static compute_peak_t compute_peak;
962 static apply_gain_to_buffer_t apply_gain_to_buffer;
963 static mix_buffers_with_gain_t mix_buffers_with_gain;
964 static mix_buffers_no_gain_t mix_buffers_no_gain;
967 friend class AudioEngine;
968 void set_block_size (jack_nframes_t nframes);
969 void set_frame_rate (jack_nframes_t nframes);
972 friend class DiskStream;
974 void wait_till_butler_finished();
978 void schedule_curve_reallocation ();
979 void update_latency_compensation (bool, bool);
982 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
984 static const char* _template_suffix;
985 static const char* _statefile_suffix;
986 static const char* _pending_suffix;
989 PendingDeclickIn = 0x1,
990 PendingDeclickOut = 0x2,
991 StopPendingCapture = 0x4,
992 AutoReturning = 0x10,
993 PendingLocate = 0x20,
994 PendingSetLoop = 0x40
997 /* stuff used in process() should be close together to
1001 typedef void (Session::*process_function_type)(jack_nframes_t);
1003 AudioEngine &_engine;
1004 atomic_t processing_prohibited;
1005 process_function_type process_function;
1006 process_function_type last_process_function;
1007 jack_nframes_t _current_frame_rate;
1008 int transport_sub_state;
1009 atomic_t _record_status;
1010 jack_nframes_t _transport_frame;
1011 Location* end_location;
1012 Location* start_location;
1014 SlaveSource _slave_type;
1015 volatile float _transport_speed;
1016 volatile float _desired_transport_speed;
1017 float _last_transport_speed;
1018 jack_nframes_t _last_slave_transport_frame;
1019 jack_nframes_t maximum_output_latency;
1020 jack_nframes_t last_stop_frame;
1021 vector<Sample *> _passthru_buffers;
1022 vector<Sample *> _silent_buffers;
1023 vector<Sample *> _send_buffers;
1024 map<RunContext,char*> _conversion_buffers;
1025 jack_nframes_t current_block_size;
1026 jack_nframes_t _worst_output_latency;
1027 jack_nframes_t _worst_input_latency;
1028 jack_nframes_t _worst_track_latency;
1029 bool _have_captured;
1031 float _meter_falloff;
1032 bool _end_location_is_free;
1034 void set_worst_io_latencies (bool take_lock);
1035 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1036 set_worst_io_latencies (true);
1039 void update_latency_compensation_proxy (void* ignored);
1041 void ensure_passthru_buffers (uint32_t howmany);
1043 void process_scrub (jack_nframes_t);
1044 void process_without_events (jack_nframes_t);
1045 void process_with_events (jack_nframes_t);
1046 void process_audition (jack_nframes_t);
1047 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1049 /* slave tracking */
1051 static const int delta_accumulator_size = 25;
1052 int delta_accumulator_cnt;
1053 long delta_accumulator[delta_accumulator_size];
1054 long average_slave_delta;
1056 bool have_first_delta_accumulator;
1064 SlaveState slave_state;
1065 jack_nframes_t slave_wait_end;
1067 void reset_slave_state ();
1068 bool follow_slave (jack_nframes_t, jack_nframes_t);
1071 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1073 void prepare_diskstreams ();
1074 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1075 int process_routes (jack_nframes_t, jack_nframes_t);
1076 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1078 bool get_rec_monitors_input () {
1079 if (actively_recording()) {
1090 int get_transport_declick_required () {
1092 if (transport_sub_state & PendingDeclickIn) {
1093 transport_sub_state &= ~PendingDeclickIn;
1095 } else if (transport_sub_state & PendingDeclickOut) {
1102 bool maybe_stop (jack_nframes_t limit) {
1103 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1110 void check_declick_out ();
1112 MIDI::MachineControl* mmc;
1113 MIDI::Port* _mmc_port;
1114 MIDI::Port* _mtc_port;
1115 MIDI::Port* _midi_port;
1118 bool do_not_record_plugins;
1128 jack_nframes_t last_loopend;
1130 bool crossfades_active;
1139 RingBuffer<Event*> pending_events;
1142 void when_engine_running ();
1143 sigc::connection first_time_running;
1144 void graph_reordered ();
1146 string _current_snapshot_name;
1148 XMLTree* state_tree;
1149 bool state_was_pending;
1150 StateOfTheState _state_of_the_state;
1153 int load_options (const XMLNode&);
1154 XMLNode& get_options () const;
1155 int load_state (string snapshot_name);
1157 jack_nframes_t _last_roll_location;
1158 jack_nframes_t _last_record_location;
1159 bool pending_locate_roll;
1160 jack_nframes_t pending_locate_frame;
1162 bool pending_locate_flush;
1164 bool pending_auto_loop;
1166 Sample* butler_mixdown_buffer;
1167 float* butler_gain_buffer;
1168 pthread_t butler_thread;
1169 PBD::NonBlockingLock butler_request_lock;
1170 pthread_cond_t butler_paused;
1171 bool butler_should_run;
1172 atomic_t butler_should_do_transport_work;
1173 int butler_request_pipe[2];
1175 struct ButlerRequest {
1184 enum PostTransportWork {
1185 PostTransportStop = 0x1,
1186 PostTransportDisableRecord = 0x2,
1187 PostTransportPosition = 0x8,
1188 PostTransportDidRecord = 0x20,
1189 PostTransportDuration = 0x40,
1190 PostTransportLocate = 0x80,
1191 PostTransportRoll = 0x200,
1192 PostTransportAbort = 0x800,
1193 PostTransportOverWrite = 0x1000,
1194 PostTransportSpeed = 0x2000,
1195 PostTransportAudition = 0x4000,
1196 PostTransportScrub = 0x8000,
1197 PostTransportReverse = 0x10000,
1198 PostTransportInputChange = 0x20000,
1199 PostTransportCurveRealloc = 0x40000
1202 static const PostTransportWork ProcessCannotProceedMask =
1203 PostTransportWork (PostTransportInputChange|
1205 PostTransportReverse|
1206 PostTransportCurveRealloc|
1208 PostTransportAudition|
1209 PostTransportLocate|
1212 PostTransportWork post_transport_work;
1214 void summon_butler ();
1215 void schedule_butler_transport_work ();
1216 int start_butler_thread ();
1217 void terminate_butler_thread ();
1218 static void *_butler_thread_work (void *arg);
1219 void* butler_thread_work ();
1221 uint32_t cumulative_rf_motion;
1224 void set_rf_speed (float speed);
1225 void reset_rf_scale (jack_nframes_t frames_moved);
1227 Locations _locations;
1228 void locations_changed ();
1229 void locations_added (Location*);
1230 void handle_locations_changed (Locations::LocationList&);
1232 sigc::connection auto_punch_start_changed_connection;
1233 sigc::connection auto_punch_end_changed_connection;
1234 sigc::connection auto_punch_changed_connection;
1235 void auto_punch_start_changed (Location *);
1236 void auto_punch_end_changed (Location *);
1237 void auto_punch_changed (Location *);
1239 sigc::connection auto_loop_start_changed_connection;
1240 sigc::connection auto_loop_end_changed_connection;
1241 sigc::connection auto_loop_changed_connection;
1242 void auto_loop_changed (Location *);
1244 typedef list<Event *> Events;
1246 Events immediate_events;
1247 Events::iterator next_event;
1249 /* there can only ever be one of each of these */
1251 Event *auto_loop_event;
1252 Event *punch_out_event;
1253 Event *punch_in_event;
1257 void dump_events () const;
1258 void queue_event (Event *ev);
1259 void merge_event (Event*);
1260 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1261 bool _replace_event (Event*);
1262 bool _remove_event (Event *);
1263 void _clear_event_type (Event::Type);
1265 void first_stage_init (string path, string snapshot_name);
1266 int second_stage_init (bool new_tracks);
1267 void find_current_end ();
1268 void remove_empty_sounds ();
1270 void setup_midi_control ();
1271 int midi_read (MIDI::Port *);
1273 void enable_record ();
1275 void increment_transport_position (uint32_t val) {
1276 if (max_frames - val < _transport_frame) {
1277 _transport_frame = max_frames;
1279 _transport_frame += val;
1283 void decrement_transport_position (uint32_t val) {
1284 if (val < _transport_frame) {
1285 _transport_frame -= val;
1287 _transport_frame = 0;
1291 void post_transport_motion ();
1292 static void *session_loader_thread (void *arg);
1296 void set_next_event ();
1297 void process_event (Event *);
1299 /* MIDI Machine Control */
1301 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1302 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1303 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1305 void spp_start (MIDI::Parser&);
1306 void spp_continue (MIDI::Parser&);
1307 void spp_stop (MIDI::Parser&);
1309 void mmc_deferred_play (MIDI::MachineControl &);
1310 void mmc_stop (MIDI::MachineControl &);
1311 void mmc_step (MIDI::MachineControl &, int);
1312 void mmc_pause (MIDI::MachineControl &);
1313 void mmc_record_pause (MIDI::MachineControl &);
1314 void mmc_record_strobe (MIDI::MachineControl &);
1315 void mmc_record_exit (MIDI::MachineControl &);
1316 void mmc_track_record_status (MIDI::MachineControl &,
1317 uint32_t track, bool enabled);
1318 void mmc_fast_forward (MIDI::MachineControl &);
1319 void mmc_rewind (MIDI::MachineControl &);
1320 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1321 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1322 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1324 struct timeval last_mmc_step;
1327 typedef sigc::slot<bool> MidiTimeoutCallback;
1328 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1330 MidiTimeoutList midi_timeouts;
1331 bool mmc_step_timeout ();
1333 MIDI::byte mmc_buffer[32];
1334 MIDI::byte mtc_msg[16];
1335 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1336 MIDI::byte midi_msg[16];
1337 jack_nframes_t outbound_mtc_smpte_frame;
1338 SMPTE_Time transmitting_smpte_time;
1339 int next_quarter_frame_to_send;
1341 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1342 jack_nframes_t _frames_per_hour;
1343 jack_nframes_t _smpte_frames_per_hour;
1344 jack_nframes_t _smpte_offset;
1345 bool _smpte_offset_negative;
1347 /* cache the most-recently requested time conversions.
1348 this helps when we have multiple clocks showing the
1349 same time (e.g. the transport frame)
1352 bool last_smpte_valid;
1353 jack_nframes_t last_smpte_when;
1354 SMPTE_Time last_smpte;
1356 int send_full_time_code ();
1357 int send_midi_time_code ();
1359 void send_full_time_code_in_another_thread ();
1360 void send_midi_time_code_in_another_thread ();
1361 void send_time_code_in_another_thread (bool full);
1362 void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1364 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1366 void reset_record_status ();
1368 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1370 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1371 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1373 struct MIDIRequest {
1386 MIDI::MachineControl::Command mmc_cmd;
1387 jack_nframes_t locate_frame;
1389 // for SendMessage type
1392 MIDI::channel_t chan;
1394 MIDI::EventTwoBytes data;
1405 void *operator new(size_t ignored) {
1406 return pool.alloc ();
1409 void operator delete(void *ptr, size_t size) {
1414 static MultiAllocSingleReleasePool pool;
1417 PBD::Lock midi_lock;
1418 pthread_t midi_thread;
1419 int midi_request_pipe[2];
1420 atomic_t butler_active;
1421 RingBuffer<MIDIRequest*> midi_requests;
1423 int start_midi_thread ();
1424 void terminate_midi_thread ();
1425 void poke_midi_thread ();
1426 static void *_midi_thread_work (void *arg);
1427 void midi_thread_work ();
1428 void change_midi_ports ();
1429 int use_config_midi_ports ();
1431 bool waiting_to_start;
1433 void set_auto_loop (bool yn);
1434 void overwrite_some_buffers (DiskStream*);
1435 void flush_all_redirects ();
1436 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1437 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1438 void force_locate (jack_nframes_t frame, bool with_roll = false);
1439 void set_diskstream_speed (DiskStream*, float speed);
1440 void set_transport_speed (float speed, bool abort = false);
1441 void stop_transport (bool abort = false);
1442 void start_transport ();
1443 void actually_start_transport ();
1444 void realtime_stop (bool abort);
1445 void non_realtime_start_scrub ();
1446 void non_realtime_set_speed ();
1447 void non_realtime_stop (bool abort);
1448 void non_realtime_overwrite ();
1449 void non_realtime_buffer_fill ();
1450 void butler_transport_work ();
1451 void post_transport ();
1452 void engine_halted ();
1453 void xrun_recovery ();
1455 TempoMap *_tempo_map;
1456 void tempo_map_changed (Change);
1458 /* edit/mix groups */
1460 int load_route_groups (const XMLNode&, bool is_edit);
1461 int load_edit_groups (const XMLNode&);
1462 int load_mix_groups (const XMLNode&);
1465 list<RouteGroup *> edit_groups;
1466 list<RouteGroup *> mix_groups;
1470 DiskStreamList diskstreams;
1471 mutable PBD::NonBlockingRWLock diskstream_lock;
1472 uint32_t dstream_buffer_size;
1473 void add_diskstream (DiskStream*);
1474 int load_diskstreams (const XMLNode&);
1479 mutable PBD::NonBlockingRWLock route_lock;
1480 void add_route (Route*);
1481 uint32_t destructive_index;
1483 int load_routes (const XMLNode&);
1484 Route* XMLRouteFactory (const XMLNode&);
1489 SoloModel _solo_model;
1490 bool solo_update_disabled;
1491 bool currently_soloing;
1493 void route_mute_changed (void *src);
1494 void route_solo_changed (void *src, Route *);
1495 void catch_up_on_solo ();
1496 void update_route_solo_state ();
1497 void modify_solo_mute (bool, bool);
1498 void strip_portname_for_solo (string& portname);
1500 /* REGION MANAGEMENT */
1502 mutable PBD::Lock region_lock;
1503 typedef map<ARDOUR::id_t,AudioRegion *> AudioRegionList;
1504 AudioRegionList audio_regions;
1506 void region_renamed (Region *);
1507 void region_changed (Change, Region *);
1508 void add_region (Region *);
1509 void remove_region (Region *);
1511 int load_regions (const XMLNode& node);
1515 mutable PBD::Lock source_lock;
1516 typedef std::map<id_t, Source *> SourceList;
1520 int load_sources (const XMLNode& node);
1521 XMLNode& get_sources_as_xml ();
1523 void remove_source (Source *);
1525 Source *XMLSourceFactory (const XMLNode&);
1529 mutable PBD::Lock playlist_lock;
1530 typedef set<Playlist *> PlaylistList;
1531 PlaylistList playlists;
1532 PlaylistList unused_playlists;
1534 int load_playlists (const XMLNode&);
1535 int load_unused_playlists (const XMLNode&);
1536 void remove_playlist (Playlist *);
1537 void track_playlist (Playlist *, bool);
1539 Playlist *playlist_factory (string name);
1540 Playlist *XMLPlaylistFactory (const XMLNode&);
1542 void playlist_length_changed (Playlist *);
1543 void diskstream_playlist_changed (DiskStream *);
1545 /* NAMED SELECTIONS */
1547 mutable PBD::Lock named_selection_lock;
1548 typedef set<NamedSelection *> NamedSelectionList;
1549 NamedSelectionList named_selections;
1551 int load_named_selections (const XMLNode&);
1553 NamedSelection *named_selection_factory (string name);
1554 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1556 /* DEFAULT FADE CURVES */
1558 float default_fade_steepness;
1559 float default_fade_msecs;
1563 Auditioner *auditioner;
1564 void set_audition (AudioRegion*);
1565 void non_realtime_set_audition ();
1566 AudioRegion *pending_audition_region;
1572 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1574 /* INSERT AND SEND MANAGEMENT */
1576 list<PortInsert *> _port_inserts;
1577 list<PluginInsert *> _plugin_inserts;
1578 list<Send *> _sends;
1580 uint32_t insert_cnt;
1582 void add_redirect (Redirect *);
1583 void remove_redirect (Redirect *);
1587 struct space_and_path {
1588 uint32_t blocks; /* 4kB blocks */
1596 struct space_and_path_ascending_cmp {
1597 bool operator() (space_and_path a, space_and_path b) {
1598 return a.blocks > b.blocks;
1602 void setup_raid_path (string path);
1604 vector<space_and_path> session_dirs;
1605 vector<space_and_path>::iterator last_rr_session_dir;
1606 uint32_t _total_free_4k_blocks;
1607 PBD::Lock space_lock;
1609 static const char* sound_dir_name;
1610 static const char* tape_dir_name;
1611 static const char* dead_sound_dir_name;
1612 static const char* peak_dir_name;
1614 string discover_best_sound_dir (bool destructive = false);
1615 int ensure_sound_dir (string, string&);
1616 void refresh_disk_space ();
1618 atomic_t _playback_load;
1619 atomic_t _capture_load;
1620 atomic_t _playback_load_min;
1621 atomic_t _capture_load_min;
1623 /* I/O Connections */
1625 typedef list<Connection *> ConnectionList;
1626 mutable PBD::Lock connection_lock;
1627 ConnectionList _connections;
1628 int load_connections (const XMLNode&);
1630 int set_slave_source (SlaveSource, jack_nframes_t);
1632 void reverse_diskstream_buffers ();
1634 UndoHistory history;
1635 UndoCommand current_cmd;
1637 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1638 GlobalRouteMeterState get_global_route_metering ();
1640 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1641 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1643 void set_global_mute (GlobalRouteBooleanState s, void *src);
1644 void set_global_solo (GlobalRouteBooleanState s, void *src);
1645 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1647 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1648 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1649 void record_enable_change_all (bool yn);
1651 XMLNode& state(bool);
1656 jack_nframes_t start;
1657 jack_nframes_t duration;
1658 jack_nframes_t offset;
1661 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1662 : start (s), duration (d), data (b) { offset = 0; }
1664 void *operator new(size_t ignored) {
1665 return pool.alloc ();
1668 void operator delete(void *ptr, size_t size) {
1676 typedef list<Click*> Clicks;
1682 Sample* click_emphasis_data;
1683 jack_nframes_t click_length;
1684 jack_nframes_t click_emphasis_length;
1685 mutable PBD::NonBlockingRWLock click_lock;
1687 static const Sample default_click[];
1688 static const jack_nframes_t default_click_length;
1689 static const Sample default_click_emphasis[];
1690 static const jack_nframes_t default_click_emphasis_length;
1693 void setup_click_sounds (int which);
1694 void clear_clicks ();
1695 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1697 vector<Route*> master_outs;
1699 EditMode _edit_mode;
1700 EditMode pending_edit_mode;
1702 /* range playback */
1704 list<AudioRange> current_audio_range;
1706 void set_play_range (bool yn);
1707 void setup_auto_play ();
1715 AutoConnectOption input_auto_connect;
1716 AutoConnectOption output_auto_connect;
1718 gain_t* _gain_automation_buffer;
1719 pan_t** _pan_automation_buffer;
1720 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1721 uint32_t _npan_buffers;
1725 long _vst_callback (VSTPlugin*,
1732 /* number of hardware audio ports we're using,
1733 based on max (requested,available)
1736 uint32_t n_physical_outputs;
1737 uint32_t n_physical_inputs;
1739 void remove_pending_capture_state ();
1741 int find_all_sources (std::string path, std::set<std::string>& result);
1742 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1744 LayerModel layer_model;
1745 CrossfadeModel xfade_model;
1748 }; /* namespace ARDOUR */
1750 #endif /* __ardour_session_h__ */