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 ();
363 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
364 bool transport_locked () const;
367 int wipe_diskstream (DiskStream *);
369 int remove_region_from_region_list (Region&);
371 jack_nframes_t get_maximum_extent () const;
372 jack_nframes_t current_end_frame() const { return end_location->start(); }
373 jack_nframes_t current_start_frame() const { return start_location->start(); }
374 jack_nframes_t frame_rate() const { return _current_frame_rate; }
375 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
376 jack_nframes_t frames_per_hour() const { return _frames_per_hour; }
377 jack_nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
381 Locations *locations() { return &_locations; }
383 sigc::signal<void,Location*> auto_loop_location_changed;
384 sigc::signal<void,Location*> auto_punch_location_changed;
385 sigc::signal<void> locations_modified;
387 void set_auto_punch_location (Location *);
388 void set_auto_loop_location (Location *);
418 sigc::signal<void,ControlType> ControlChanged;
420 void set_auto_play (bool yn);
421 void set_auto_return (bool yn);
422 void set_auto_input (bool yn);
423 void reset_input_monitor_state ();
424 void set_input_auto_connect (bool yn);
425 void set_output_auto_connect (AutoConnectOption);
426 void set_punch_in (bool yn);
427 void set_punch_out (bool yn);
428 void set_send_mtc (bool yn);
429 void set_send_mmc (bool yn);
430 void set_mmc_control (bool yn);
431 void set_midi_feedback (bool yn);
432 void set_midi_control (bool yn);
433 void set_do_not_record_plugins (bool yn);
434 void set_crossfades_active (bool yn);
435 void set_seamless_loop (bool yn);
437 bool get_auto_play () const { return auto_play; }
438 bool get_auto_input () const { return auto_input; }
439 bool get_auto_loop () const { return auto_loop; }
440 bool get_seamless_loop () const { return seamless_loop; }
441 bool get_punch_in () const { return punch_in; }
442 bool get_punch_out () const { return punch_out; }
443 bool get_all_safe () const { return all_safe; }
444 bool get_auto_return () const { return auto_return; }
445 bool get_send_mtc () const;
446 bool get_send_mmc () const;
447 bool get_mmc_control () const;
448 bool get_midi_feedback () const;
449 bool get_midi_control () const;
450 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
451 bool get_crossfades_active () const { return crossfades_active; }
453 bool get_input_auto_connect () const;
454 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
462 void set_layer_model (LayerModel);
463 LayerModel get_layer_model () const { return layer_model; }
465 void set_xfade_model (CrossfadeModel);
466 CrossfadeModel get_xfade_model () const { return xfade_model; }
468 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
469 void remove_event (jack_nframes_t frame, Event::Type type);
470 void clear_events (Event::Type type);
472 jack_nframes_t get_block_size() const { return current_block_size; }
473 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
474 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
475 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
477 int save_state (string snapshot_name, bool pending = false);
478 int restore_state (string snapshot_name);
479 int save_template (string template_name);
481 static int rename_template (string old_name, string new_name);
483 static int delete_template (string name);
485 sigc::signal<void,string> StateSaved;
486 sigc::signal<void> StateReady;
488 vector<string*>* possible_states() const;
489 static vector<string*>* possible_states(string path);
491 XMLNode& get_state();
492 int set_state(const XMLNode& node);
493 XMLNode& get_template();
495 void add_instant_xml (XMLNode&, const std::string& dir);
497 void swap_configuration(Configuration** new_config);
498 void copy_configuration(Configuration* new_config);
500 enum StateOfTheState {
505 InitialConnecting = 0x8,
510 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
512 RouteGroup* add_edit_group (string);
513 RouteGroup* add_mix_group (string);
515 void remove_edit_group (RouteGroup&);
516 void remove_mix_group (RouteGroup&);
518 RouteGroup *mix_group_by_name (string);
519 RouteGroup *edit_group_by_name (string);
521 sigc::signal<void,RouteGroup*> edit_group_added;
522 sigc::signal<void,RouteGroup*> mix_group_added;
523 sigc::signal<void> edit_group_removed;
524 sigc::signal<void> mix_group_removed;
526 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
527 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
532 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
533 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
538 /* fundamental operations. duh. */
541 AudioTrack *new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal);
543 Route *new_audio_route (int input_channels, int output_channels);
545 void remove_route (Route&);
546 void resort_routes (void *src);
548 AudioEngine &engine() { return _engine; };
550 /* configuration. there should really be accessors/mutators
554 float meter_hold () { return _meter_hold; }
555 void set_meter_hold (float);
556 sigc::signal<void> MeterHoldChanged;
558 float meter_falloff () { return _meter_falloff; }
559 void set_meter_falloff (float);
560 sigc::signal<void> MeterFalloffChanged;
564 string click_emphasis_sound;
566 bool click_requested;
567 jack_nframes_t over_length_short;
568 jack_nframes_t over_length_long;
569 bool send_midi_timecode;
570 bool send_midi_machine_control;
571 float shuttle_speed_factor;
572 float shuttle_speed_threshold;
574 float smpte_frames_per_second;
575 bool smpte_drop_frames;
581 jack_nframes_t transport_frame () const {return _transport_frame; }
582 jack_nframes_t audible_frame () const;
584 int set_smpte_type (float fps, bool drop_frames);
586 void bbt_time (jack_nframes_t when, BBT_Time&);
588 void smpte_to_sample( SMPTE::Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
589 void sample_to_smpte( jack_nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
590 void smpte_time (SMPTE::Time &);
591 void smpte_time (jack_nframes_t when, SMPTE::Time&);
592 void smpte_time_subframes (jack_nframes_t when, SMPTE::Time&);
594 void smpte_duration (jack_nframes_t, SMPTE::Time&) const;
595 void smpte_duration_string (char *, jack_nframes_t) const;
597 void set_smpte_offset (jack_nframes_t);
598 jack_nframes_t smpte_offset () const { return _smpte_offset; }
599 void set_smpte_offset_negative (bool);
600 bool smpte_offset_negative () const { return _smpte_offset_negative; }
602 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
604 sigc::signal<void> SMPTEOffsetChanged;
605 sigc::signal<void> SMPTETypeChanged;
607 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
608 SlaveSource slave_source() const { return _slave_type; }
609 bool synced_to_jack() const { return _slave_type == JACK; }
610 float transport_speed() const { return _transport_speed; }
611 bool transport_stopped() const { return _transport_speed == 0.0f; }
612 bool transport_rolling() const { return _transport_speed != 0.0f; }
614 int jack_slave_sync (jack_nframes_t);
616 TempoMap& tempo_map() { return *_tempo_map; }
620 sigc::signal<void,AudioRegion *> AudioRegionAdded;
621 sigc::signal<void,AudioRegion *> AudioRegionRemoved;
623 int region_name (string& result, string base = string(""), bool newlevel = false) const;
624 string new_region_name (string);
625 string path_from_region_name (string name, string identifier);
627 AudioRegion* find_whole_file_parent (AudioRegion&);
628 void find_equivalent_playlist_regions (AudioRegion&, std::vector<AudioRegion*>& result);
630 AudioRegion *XMLRegionFactory (const XMLNode&, bool full);
632 template<class T> void foreach_audio_region (T *obj, void (T::*func)(AudioRegion *));
634 /* source management */
636 struct import_status : public InterThreadInfo {
642 volatile bool freeze;
646 std::vector<AudioRegion*> new_regions;
650 int import_audiofile (import_status&);
651 bool sample_rate_convert (import_status&, string infile, string& outfile);
652 string build_tmp_convert_name (string file);
654 Session::SlaveSource post_export_slave;
655 jack_nframes_t post_export_position;
657 int start_audio_export (ARDOUR::AudioExportSpecification&);
658 int stop_audio_export (ARDOUR::AudioExportSpecification&);
660 void add_source (Source *);
661 int remove_file_source (FileSource&);
663 struct cleanup_report {
664 vector<string> paths;
668 int cleanup_sources (cleanup_report&);
669 int cleanup_trash_sources (cleanup_report&);
671 int destroy_region (Region*);
672 int destroy_regions (list<Region*>);
674 int remove_last_capture ();
676 /* handlers should return -1 for "stop cleanup", 0 for
677 "yes, delete this playlist" and 1 for "no, don't delete
681 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
684 /* handlers should return !0 for use pending state, 0 for
688 static sigc::signal<int> AskAboutPendingState;
690 sigc::signal<void,Source *> SourceAdded;
691 sigc::signal<void,Source *> SourceRemoved;
693 FileSource *create_file_source (ARDOUR::DiskStream&, int32_t chan, bool destructive);
694 Source *get_source (ARDOUR::id_t);
696 /* playlist management */
698 Playlist* playlist_by_name (string name);
699 void add_playlist (Playlist *);
700 sigc::signal<void,Playlist*> PlaylistAdded;
701 sigc::signal<void,Playlist*> PlaylistRemoved;
703 Playlist *get_playlist (string name);
705 uint32_t n_playlists() const;
707 template<class T> void foreach_playlist (T *obj, void (T::*func)(Playlist *));
709 /* named selections */
711 NamedSelection* named_selection_by_name (string name);
712 void add_named_selection (NamedSelection *);
713 void remove_named_selection (NamedSelection *);
715 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
716 sigc::signal<void> NamedSelectionAdded;
717 sigc::signal<void> NamedSelectionRemoved;
721 float get_default_fade_length () const { return default_fade_msecs; }
722 float get_default_fade_steepness () const { return default_fade_steepness; }
723 void set_default_fade (float steepness, float msecs);
727 Auditioner& the_auditioner() { return *auditioner; }
728 void audition_playlist ();
729 void audition_region (AudioRegion&);
730 void cancel_audition ();
731 bool is_auditioning () const;
733 sigc::signal<void,bool> AuditionActive;
735 /* flattening stuff */
737 int write_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<Source*>&,
738 InterThreadInfo& wot);
739 int freeze (InterThreadInfo&);
741 /* session-wide solo/mute/rec-enable */
748 bool soloing() const { return currently_soloing; }
750 SoloModel solo_model() const { return _solo_model; }
751 void set_solo_model (SoloModel);
753 bool solo_latched() const { return _solo_latched; }
754 void set_solo_latched (bool yn);
756 void set_all_solo (bool);
757 void set_all_mute (bool);
759 sigc::signal<void,bool> SoloActive;
761 void record_disenable_all ();
762 void record_enable_all ();
764 /* control/master out */
766 IO* control_out() const { return _control_out; }
767 IO* master_out() const { return _master_out; }
769 /* insert/send management */
771 uint32_t n_port_inserts() const { return _port_inserts.size(); }
772 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
773 uint32_t n_sends() const { return _sends.size(); }
775 string next_send_name();
776 string next_insert_name();
778 /* s/w "RAID" management */
780 jack_nframes_t available_capture_duration();
782 /* I/O Connections */
784 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
785 void add_connection (Connection *);
786 void remove_connection (Connection *);
787 Connection *connection_by_name (string) const;
789 sigc::signal<void,Connection *> ConnectionAdded;
790 sigc::signal<void,Connection *> ConnectionRemoved;
794 int set_mtc_port (string port_tag);
795 int set_mmc_port (string port_tag);
796 int set_midi_port (string port_tag);
797 MIDI::Port *mtc_port() const { return _mtc_port; }
798 MIDI::Port *mmc_port() const { return _mmc_port; }
799 MIDI::Port *midi_port() const { return _midi_port; }
801 sigc::signal<void> MTC_PortChanged;
802 sigc::signal<void> MMC_PortChanged;
803 sigc::signal<void> MIDI_PortChanged;
805 void set_trace_midi_input (bool, MIDI::Port* port = 0);
806 void set_trace_midi_output (bool, MIDI::Port* port = 0);
808 bool get_trace_midi_input(MIDI::Port *port = 0);
809 bool get_trace_midi_output(MIDI::Port *port = 0);
811 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
813 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
817 void start_scrub (jack_nframes_t where);
819 void set_scrub_speed (float);
820 jack_nframes_t scrub_buffer_size() const;
821 sigc::signal<void> ScrubReady;
823 /* History (for editors, mixers, UIs etc.) */
825 void undo (uint32_t n) {
828 void redo (uint32_t n) {
832 uint32_t undo_depth() const { return history.undo_depth(); }
833 uint32_t redo_depth() const { return history.redo_depth(); }
834 string next_undo() const { return history.next_undo(); }
835 string next_redo() const { return history.next_redo(); }
837 void begin_reversible_command (string cmd_name, UndoAction *private_undo = 0);
838 void commit_reversible_command (UndoAction* private_redo = 0);
840 void add_undo (const UndoAction& ua) {
841 current_cmd.add_undo (ua);
843 void add_redo (const UndoAction& ua) {
844 current_cmd.add_redo (ua);
846 void add_redo_no_execute (const UndoAction& ua) {
847 current_cmd.add_redo_no_execute (ua);
850 UndoAction global_solo_memento (void *src);
851 UndoAction global_mute_memento (void *src);
852 UndoAction global_record_enable_memento (void *src);
853 UndoAction global_metering_memento (void *src);
857 void set_edit_mode (EditMode);
858 EditMode get_edit_mode () const { return _edit_mode; }
862 IO& click_io() { return *_click_io; }
863 void set_clicking (bool yn);
864 bool get_clicking() const;
866 void set_click_sound (string path);
867 void set_click_emphasis_sound (string path);
871 struct TimeStretchRequest {
872 ARDOUR::AudioRegion* region;
873 float fraction; /* session: read ; GUI: write */
874 float progress; /* session: write ; GUI: read */
875 bool running; /* read/write */
876 bool quick_seek; /* GUI: write */
877 bool antialias; /* GUI: write */
879 TimeStretchRequest () : region (0) {}
882 AudioRegion* tempoize_region (TimeStretchRequest&);
884 string raid_path() const;
885 void set_raid_path(string);
887 /* need to call this whenever we change native file formats */
889 void reset_native_file_format();
891 /* disk, buffer loads */
893 uint32_t playback_load ();
894 uint32_t capture_load ();
895 uint32_t playback_load_min ();
896 uint32_t capture_load_min ();
898 void reset_playback_load_min ();
899 void reset_capture_load_min ();
901 float read_data_rate () const;
902 float write_data_rate () const;
906 void set_audio_range (list<AudioRange>&);
907 void set_music_range (list<MusicRange>&);
909 void request_play_range (bool yn);
910 bool get_play_range () const { return _play_range; }
913 typedef vector<string> FavoriteDirs;
915 static int read_favorite_dirs (FavoriteDirs&);
917 static int write_favorite_dirs (FavoriteDirs&);
921 static const char* template_suffix() { return _template_suffix; }
922 static const char* statefile_suffix() { return _statefile_suffix; }
923 static const char* pending_suffix() { return _pending_suffix; }
925 /* buffers for gain and pan */
927 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
928 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
930 /* buffers for conversion */
937 char * conversion_buffer(RunContext context) { return _conversion_buffers[context]; }
941 static long vst_callback (AEffect* effect,
948 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
949 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
950 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
951 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
953 static compute_peak_t compute_peak;
954 static apply_gain_to_buffer_t apply_gain_to_buffer;
955 static mix_buffers_with_gain_t mix_buffers_with_gain;
956 static mix_buffers_no_gain_t mix_buffers_no_gain;
959 friend class AudioEngine;
960 void set_block_size (jack_nframes_t nframes);
961 void set_frame_rate (jack_nframes_t nframes);
964 friend class DiskStream;
966 void wait_till_butler_finished();
970 void schedule_curve_reallocation ();
971 void update_latency_compensation (bool, bool);
974 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
976 static const char* _template_suffix;
977 static const char* _statefile_suffix;
978 static const char* _pending_suffix;
981 PendingDeclickIn = 0x1,
982 PendingDeclickOut = 0x2,
983 StopPendingCapture = 0x4,
984 AutoReturning = 0x10,
985 PendingLocate = 0x20,
986 PendingSetLoop = 0x40
989 /* stuff used in process() should be close together to
993 typedef void (Session::*process_function_type)(jack_nframes_t);
995 AudioEngine &_engine;
996 atomic_t processing_prohibited;
997 process_function_type process_function;
998 process_function_type last_process_function;
999 jack_nframes_t _current_frame_rate;
1000 int transport_sub_state;
1001 atomic_t _record_status;
1002 jack_nframes_t _transport_frame;
1003 Location* end_location;
1004 Location* start_location;
1006 SlaveSource _slave_type;
1007 volatile float _transport_speed;
1008 volatile float _desired_transport_speed;
1009 float _last_transport_speed;
1010 jack_nframes_t _last_slave_transport_frame;
1011 jack_nframes_t maximum_output_latency;
1012 jack_nframes_t last_stop_frame;
1013 vector<Sample *> _passthru_buffers;
1014 vector<Sample *> _silent_buffers;
1015 vector<Sample *> _send_buffers;
1016 map<RunContext,char*> _conversion_buffers;
1017 jack_nframes_t current_block_size;
1018 jack_nframes_t _worst_output_latency;
1019 jack_nframes_t _worst_input_latency;
1020 jack_nframes_t _worst_track_latency;
1021 bool _have_captured;
1023 float _meter_falloff;
1024 bool _end_location_is_free;
1026 void set_worst_io_latencies (bool take_lock);
1027 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1028 set_worst_io_latencies (true);
1031 void update_latency_compensation_proxy (void* ignored);
1033 void ensure_passthru_buffers (uint32_t howmany);
1035 void process_scrub (jack_nframes_t);
1036 void process_without_events (jack_nframes_t);
1037 void process_with_events (jack_nframes_t);
1038 void process_audition (jack_nframes_t);
1039 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1041 /* slave tracking */
1043 static const int delta_accumulator_size = 25;
1044 int delta_accumulator_cnt;
1045 long delta_accumulator[delta_accumulator_size];
1046 long average_slave_delta;
1048 bool have_first_delta_accumulator;
1056 SlaveState slave_state;
1057 jack_nframes_t slave_wait_end;
1059 void reset_slave_state ();
1060 bool follow_slave (jack_nframes_t, jack_nframes_t);
1063 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1065 void prepare_diskstreams ();
1066 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1067 int process_routes (jack_nframes_t, jack_nframes_t);
1068 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1070 bool get_rec_monitors_input () {
1071 if (actively_recording()) {
1082 int get_transport_declick_required () {
1084 if (transport_sub_state & PendingDeclickIn) {
1085 transport_sub_state &= ~PendingDeclickIn;
1087 } else if (transport_sub_state & PendingDeclickOut) {
1094 bool maybe_stop (jack_nframes_t limit) {
1095 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1102 void check_declick_out ();
1104 MIDI::MachineControl* mmc;
1105 MIDI::Port* _mmc_port;
1106 MIDI::Port* _mtc_port;
1107 MIDI::Port* _midi_port;
1110 bool do_not_record_plugins;
1120 jack_nframes_t last_loopend;
1122 bool crossfades_active;
1131 RingBuffer<Event*> pending_events;
1134 void when_engine_running ();
1135 sigc::connection first_time_running;
1136 void graph_reordered ();
1138 string _current_snapshot_name;
1140 XMLTree* state_tree;
1141 bool state_was_pending;
1142 StateOfTheState _state_of_the_state;
1145 int load_options (const XMLNode&);
1146 XMLNode& get_options () const;
1147 int load_state (string snapshot_name);
1149 jack_nframes_t _last_roll_location;
1150 jack_nframes_t _last_record_location;
1151 bool pending_locate_roll;
1152 jack_nframes_t pending_locate_frame;
1154 bool pending_locate_flush;
1156 bool pending_auto_loop;
1158 Sample* butler_mixdown_buffer;
1159 float* butler_gain_buffer;
1160 pthread_t butler_thread;
1161 PBD::NonBlockingLock butler_request_lock;
1162 pthread_cond_t butler_paused;
1163 bool butler_should_run;
1164 atomic_t butler_should_do_transport_work;
1165 int butler_request_pipe[2];
1167 struct ButlerRequest {
1176 enum PostTransportWork {
1177 PostTransportStop = 0x1,
1178 PostTransportDisableRecord = 0x2,
1179 PostTransportPosition = 0x8,
1180 PostTransportDidRecord = 0x20,
1181 PostTransportDuration = 0x40,
1182 PostTransportLocate = 0x80,
1183 PostTransportRoll = 0x200,
1184 PostTransportAbort = 0x800,
1185 PostTransportOverWrite = 0x1000,
1186 PostTransportSpeed = 0x2000,
1187 PostTransportAudition = 0x4000,
1188 PostTransportScrub = 0x8000,
1189 PostTransportReverse = 0x10000,
1190 PostTransportInputChange = 0x20000,
1191 PostTransportCurveRealloc = 0x40000
1194 static const PostTransportWork ProcessCannotProceedMask =
1195 PostTransportWork (PostTransportInputChange|
1197 PostTransportReverse|
1198 PostTransportCurveRealloc|
1200 PostTransportAudition|
1201 PostTransportLocate|
1204 PostTransportWork post_transport_work;
1206 void summon_butler ();
1207 void schedule_butler_transport_work ();
1208 int start_butler_thread ();
1209 void terminate_butler_thread ();
1210 static void *_butler_thread_work (void *arg);
1211 void* butler_thread_work ();
1213 uint32_t cumulative_rf_motion;
1216 void set_rf_speed (float speed);
1217 void reset_rf_scale (jack_nframes_t frames_moved);
1219 Locations _locations;
1220 void locations_changed ();
1221 void locations_added (Location*);
1222 void handle_locations_changed (Locations::LocationList&);
1224 sigc::connection auto_punch_start_changed_connection;
1225 sigc::connection auto_punch_end_changed_connection;
1226 sigc::connection auto_punch_changed_connection;
1227 void auto_punch_start_changed (Location *);
1228 void auto_punch_end_changed (Location *);
1229 void auto_punch_changed (Location *);
1231 sigc::connection auto_loop_start_changed_connection;
1232 sigc::connection auto_loop_end_changed_connection;
1233 sigc::connection auto_loop_changed_connection;
1234 void auto_loop_changed (Location *);
1236 typedef list<Event *> Events;
1238 Events immediate_events;
1239 Events::iterator next_event;
1241 /* there can only ever be one of each of these */
1243 Event *auto_loop_event;
1244 Event *punch_out_event;
1245 Event *punch_in_event;
1249 void dump_events () const;
1250 void queue_event (Event *ev);
1251 void merge_event (Event*);
1252 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1253 bool _replace_event (Event*);
1254 bool _remove_event (Event *);
1255 void _clear_event_type (Event::Type);
1257 void first_stage_init (string path, string snapshot_name);
1258 int second_stage_init (bool new_tracks);
1259 void find_current_end ();
1260 void remove_empty_sounds ();
1262 void setup_midi_control ();
1263 //int midi_read (MIDI::Port *);
1265 void enable_record ();
1267 void increment_transport_position (uint32_t val) {
1268 if (max_frames - val < _transport_frame) {
1269 _transport_frame = max_frames;
1271 _transport_frame += val;
1275 void decrement_transport_position (uint32_t val) {
1276 if (val < _transport_frame) {
1277 _transport_frame -= val;
1279 _transport_frame = 0;
1283 void post_transport_motion ();
1284 static void *session_loader_thread (void *arg);
1288 void set_next_event ();
1289 void process_event (Event *ev);
1291 /* MIDI Machine Control */
1293 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1294 //void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1295 //void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1297 void spp_start (MIDI::Parser&);
1298 void spp_continue (MIDI::Parser&);
1299 void spp_stop (MIDI::Parser&);
1301 void mmc_deferred_play (MIDI::MachineControl &);
1302 void mmc_stop (MIDI::MachineControl &);
1303 void mmc_step (MIDI::MachineControl &, int);
1304 void mmc_pause (MIDI::MachineControl &);
1305 void mmc_record_pause (MIDI::MachineControl &);
1306 void mmc_record_strobe (MIDI::MachineControl &);
1307 void mmc_record_exit (MIDI::MachineControl &);
1308 void mmc_track_record_status (MIDI::MachineControl &,
1309 uint32_t track, bool enabled);
1310 void mmc_fast_forward (MIDI::MachineControl &);
1311 void mmc_rewind (MIDI::MachineControl &);
1312 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1313 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1314 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1316 struct timeval last_mmc_step;
1319 typedef sigc::slot<bool> MidiTimeoutCallback;
1320 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1322 MidiTimeoutList midi_timeouts;
1323 bool mmc_step_timeout ();
1325 MIDI::byte mmc_buffer[32];
1326 MIDI::byte mtc_msg[16];
1327 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1328 MIDI::byte midi_msg[16];
1329 jack_nframes_t outbound_mtc_smpte_frame;
1330 SMPTE::Time transmitting_smpte_time;
1331 int next_quarter_frame_to_send;
1333 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1334 jack_nframes_t _frames_per_hour;
1335 jack_nframes_t _smpte_frames_per_hour;
1336 jack_nframes_t _smpte_offset;
1337 bool _smpte_offset_negative;
1339 /* cache the most-recently requested time conversions. This helps when we
1340 * have multiple clocks showing the same time (e.g. the transport frame) */
1341 bool last_smpte_valid;
1342 jack_nframes_t last_smpte_when;
1343 SMPTE::Time last_smpte;
1345 bool _send_smpte_update; ///< Send a full MTC timecode this cycle
1347 int send_full_time_code(jack_nframes_t nframes);
1348 int send_midi_time_code_for_cycle(jack_nframes_t nframes);
1350 //void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1352 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1354 void reset_record_status ();
1356 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1358 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1359 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1361 struct MIDIRequest {
1374 MIDI::MachineControl::Command mmc_cmd;
1375 jack_nframes_t locate_frame;
1377 // for SendMessage type
1380 MIDI::channel_t chan;
1382 MIDI::EventTwoBytes data;
1393 void *operator new(size_t ignored) {
1394 return pool.alloc ();
1397 void operator delete(void *ptr, size_t size) {
1402 static MultiAllocSingleReleasePool pool;
1405 //PBD::Lock midi_lock;
1406 //pthread_t midi_thread;
1407 //int midi_request_pipe[2];
1408 atomic_t butler_active;
1409 //RingBuffer<MIDIRequest*> midi_requests;
1411 int start_midi_thread ();
1412 void terminate_midi_thread ();
1413 void poke_midi_thread ();
1414 static void *_midi_thread_work (void *arg);
1415 void midi_thread_work ();*/
1416 void change_midi_ports ();
1417 int use_config_midi_ports ();
1419 bool waiting_to_start;
1421 void set_auto_loop (bool yn);
1422 void overwrite_some_buffers (DiskStream*);
1423 void flush_all_redirects ();
1424 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1425 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1426 void force_locate (jack_nframes_t frame, bool with_roll = false);
1427 void set_diskstream_speed (DiskStream*, float speed);
1428 void set_transport_speed (float speed, bool abort = false);
1429 void stop_transport (bool abort = false);
1430 void start_transport ();
1431 void actually_start_transport ();
1432 void realtime_stop (bool abort);
1433 void non_realtime_start_scrub ();
1434 void non_realtime_set_speed ();
1435 void non_realtime_stop (bool abort);
1436 void non_realtime_overwrite ();
1437 void non_realtime_buffer_fill ();
1438 void butler_transport_work ();
1439 void post_transport ();
1440 void engine_halted ();
1441 void xrun_recovery ();
1443 TempoMap *_tempo_map;
1444 void tempo_map_changed (Change);
1446 /* edit/mix groups */
1448 int load_route_groups (const XMLNode&, bool is_edit);
1449 int load_edit_groups (const XMLNode&);
1450 int load_mix_groups (const XMLNode&);
1453 list<RouteGroup *> edit_groups;
1454 list<RouteGroup *> mix_groups;
1458 DiskStreamList diskstreams;
1459 mutable PBD::NonBlockingRWLock diskstream_lock;
1460 uint32_t dstream_buffer_size;
1461 void add_diskstream (DiskStream*);
1462 int load_diskstreams (const XMLNode&);
1467 mutable PBD::NonBlockingRWLock route_lock;
1468 void add_route (Route*);
1469 uint32_t destructive_index;
1471 int load_routes (const XMLNode&);
1472 Route* XMLRouteFactory (const XMLNode&);
1477 SoloModel _solo_model;
1478 bool solo_update_disabled;
1479 bool currently_soloing;
1481 void route_mute_changed (void *src);
1482 void route_solo_changed (void *src, Route *);
1483 void catch_up_on_solo ();
1484 void update_route_solo_state ();
1485 void modify_solo_mute (bool, bool);
1486 void strip_portname_for_solo (string& portname);
1488 /* REGION MANAGEMENT */
1490 mutable PBD::Lock region_lock;
1491 typedef map<ARDOUR::id_t,AudioRegion *> AudioRegionList;
1492 AudioRegionList audio_regions;
1494 void region_renamed (Region *);
1495 void region_changed (Change, Region *);
1496 void add_region (Region *);
1497 void remove_region (Region *);
1499 int load_regions (const XMLNode& node);
1503 mutable PBD::Lock source_lock;
1504 typedef std::map<id_t, Source *> SourceList;
1508 int load_sources (const XMLNode& node);
1509 XMLNode& get_sources_as_xml ();
1511 void remove_source (Source *);
1513 Source *XMLSourceFactory (const XMLNode&);
1517 mutable PBD::Lock playlist_lock;
1518 typedef set<Playlist *> PlaylistList;
1519 PlaylistList playlists;
1520 PlaylistList unused_playlists;
1522 int load_playlists (const XMLNode&);
1523 int load_unused_playlists (const XMLNode&);
1524 void remove_playlist (Playlist *);
1525 void track_playlist (Playlist *, bool);
1527 Playlist *playlist_factory (string name);
1528 Playlist *XMLPlaylistFactory (const XMLNode&);
1530 void playlist_length_changed (Playlist *);
1531 void diskstream_playlist_changed (DiskStream *);
1533 /* NAMED SELECTIONS */
1535 mutable PBD::Lock named_selection_lock;
1536 typedef set<NamedSelection *> NamedSelectionList;
1537 NamedSelectionList named_selections;
1539 int load_named_selections (const XMLNode&);
1541 NamedSelection *named_selection_factory (string name);
1542 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1544 /* DEFAULT FADE CURVES */
1546 float default_fade_steepness;
1547 float default_fade_msecs;
1551 Auditioner *auditioner;
1552 void set_audition (AudioRegion*);
1553 void non_realtime_set_audition ();
1554 AudioRegion *pending_audition_region;
1560 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1562 /* INSERT AND SEND MANAGEMENT */
1564 list<PortInsert *> _port_inserts;
1565 list<PluginInsert *> _plugin_inserts;
1566 list<Send *> _sends;
1568 uint32_t insert_cnt;
1570 void add_redirect (Redirect *);
1571 void remove_redirect (Redirect *);
1575 struct space_and_path {
1576 uint32_t blocks; /* 4kB blocks */
1584 struct space_and_path_ascending_cmp {
1585 bool operator() (space_and_path a, space_and_path b) {
1586 return a.blocks > b.blocks;
1590 void setup_raid_path (string path);
1592 vector<space_and_path> session_dirs;
1593 vector<space_and_path>::iterator last_rr_session_dir;
1594 uint32_t _total_free_4k_blocks;
1595 PBD::Lock space_lock;
1597 static const char* sound_dir_name;
1598 static const char* tape_dir_name;
1599 static const char* dead_sound_dir_name;
1600 static const char* peak_dir_name;
1602 string discover_best_sound_dir (bool destructive = false);
1603 int ensure_sound_dir (string, string&);
1604 void refresh_disk_space ();
1606 atomic_t _playback_load;
1607 atomic_t _capture_load;
1608 atomic_t _playback_load_min;
1609 atomic_t _capture_load_min;
1611 /* I/O Connections */
1613 typedef list<Connection *> ConnectionList;
1614 mutable PBD::Lock connection_lock;
1615 ConnectionList _connections;
1616 int load_connections (const XMLNode&);
1618 int set_slave_source (SlaveSource, jack_nframes_t);
1620 void reverse_diskstream_buffers ();
1622 UndoHistory history;
1623 UndoCommand current_cmd;
1625 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1626 GlobalRouteMeterState get_global_route_metering ();
1628 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1629 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1631 void set_global_mute (GlobalRouteBooleanState s, void *src);
1632 void set_global_solo (GlobalRouteBooleanState s, void *src);
1633 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1635 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1636 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1637 void record_enable_change_all (bool yn);
1639 XMLNode& state(bool);
1644 jack_nframes_t start;
1645 jack_nframes_t duration;
1646 jack_nframes_t offset;
1649 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1650 : start (s), duration (d), data (b) { offset = 0; }
1652 void *operator new(size_t ignored) {
1653 return pool.alloc ();
1656 void operator delete(void *ptr, size_t size) {
1664 typedef list<Click*> Clicks;
1670 Sample* click_emphasis_data;
1671 jack_nframes_t click_length;
1672 jack_nframes_t click_emphasis_length;
1673 mutable PBD::NonBlockingRWLock click_lock;
1675 static const Sample default_click[];
1676 static const jack_nframes_t default_click_length;
1677 static const Sample default_click_emphasis[];
1678 static const jack_nframes_t default_click_emphasis_length;
1681 void setup_click_sounds (int which);
1682 void clear_clicks ();
1683 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1685 vector<Route*> master_outs;
1687 EditMode _edit_mode;
1688 EditMode pending_edit_mode;
1690 /* range playback */
1692 list<AudioRange> current_audio_range;
1694 void set_play_range (bool yn);
1695 void setup_auto_play ();
1703 AutoConnectOption input_auto_connect;
1704 AutoConnectOption output_auto_connect;
1706 gain_t* _gain_automation_buffer;
1707 pan_t** _pan_automation_buffer;
1708 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1709 uint32_t _npan_buffers;
1713 long _vst_callback (VSTPlugin*,
1720 /* number of hardware audio ports we're using,
1721 based on max (requested,available)
1724 uint32_t n_physical_outputs;
1725 uint32_t n_physical_inputs;
1727 void remove_pending_capture_state ();
1729 int find_all_sources (std::string path, std::set<std::string>& result);
1730 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1732 LayerModel layer_model;
1733 CrossfadeModel xfade_model;
1736 }; /* namespace ARDOUR */
1738 #endif /* __ardour_session_h__ */