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 <glibmm/thread.h>
36 #include <pbd/error.h>
40 #include <pbd/statefuldestructible.h>
42 #include <midi++/types.h>
43 #include <midi++/mmc.h>
45 #include <pbd/stateful.h>
46 #include <pbd/destructible.h>
48 #include <ardour/ardour.h>
49 #include <ardour/configuration.h>
50 #include <ardour/location.h>
51 #include <ardour/gain.h>
52 #include <ardour/io.h>
72 class AudioDiskstream;
77 class AudioFileSource;
92 class ControlProtocolManager;
94 struct AudioExportSpecification;
102 class Session : public sigc::trackable, public StatefulDestructible
106 typedef std::pair<boost::shared_ptr<Route>,bool> RouteBooleanState;
107 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
108 typedef std::pair<boost::shared_ptr<Route>,MeterPoint> RouteMeterState;
109 typedef vector<RouteMeterState> GlobalRouteMeterState;
124 enum AutoConnectOption {
125 AutoConnectPhysical = 0x1,
126 AutoConnectMaster = 0x2
143 InputConfigurationChange,
147 /* only one of each of these events
148 can be queued at any one time
164 jack_nframes_t action_frame;
165 jack_nframes_t target_frame;
171 Session::SlaveSource slave;
175 list<AudioRange> audio_range;
176 list<MusicRange> music_range;
178 Event(Type t, Action a, jack_nframes_t when, jack_nframes_t where, float spd, bool yn = false)
182 target_frame (where),
186 void set_ptr (void* p) {
190 bool before (const Event& other) const {
191 return action_frame < other.action_frame;
194 bool after (const Event& other) const {
195 return action_frame > other.action_frame;
198 static bool compare (const Event *e1, const Event *e2) {
199 return e1->before (*e2);
202 void *operator new (size_t ignored) {
203 return pool.alloc ();
206 void operator delete(void *ptr, size_t size) {
210 static const jack_nframes_t Immediate = 0;
213 static MultiAllocSingleReleasePool pool;
216 /* creating from an XML file */
218 Session (AudioEngine&,
220 string snapshot_name,
221 string* mix_template = 0);
223 /* creating a new Session */
225 Session (AudioEngine&,
227 string snapshot_name,
228 AutoConnectOption input_auto_connect,
229 AutoConnectOption output_auto_connect,
230 uint32_t control_out_channels,
231 uint32_t master_out_channels,
232 uint32_t n_physical_in,
233 uint32_t n_physical_out,
234 jack_nframes_t initial_length);
239 static int find_session (string str, string& path, string& snapshot, bool& isnew);
241 string path() const { return _path; }
242 string name() const { return _name; }
243 string snap_name() const { return _current_snapshot_name; }
245 void set_snap_name ();
249 bool dirty() const { return _state_of_the_state & Dirty; }
250 sigc::signal<void> DirtyChanged;
252 std::string sound_dir () const;
253 std::string tape_dir () const;
254 std::string peak_dir () const;
255 std::string dead_sound_dir () const;
256 std::string automation_dir () const;
258 static string suffixed_search_path (std::string suffix, bool data);
259 static string control_protocol_path ();
260 static string template_path ();
261 static string template_dir ();
262 static void get_template_list (list<string>&);
264 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
265 static string peak_path_from_audio_path (string);
266 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
268 void process (jack_nframes_t nframes);
270 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
271 vector<Sample*>& get_silent_buffers (uint32_t howmany);
272 vector<Sample*>& get_send_buffers () { return _send_buffers; }
274 void add_diskstream (boost::shared_ptr<Diskstream>);
275 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
276 boost::shared_ptr<Diskstream> diskstream_by_name (string name);
278 bool have_captured() const { return _have_captured; }
280 void refill_all_diskstream_buffers ();
281 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
283 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
284 uint32_t n_diskstreams() const;
286 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
287 typedef std::list<boost::shared_ptr<Route> > RouteList;
289 boost::shared_ptr<RouteList> get_routes() const {
290 return routes.reader ();
293 uint32_t nroutes() const { return routes.reader()->size(); }
294 uint32_t ntracks () const;
295 uint32_t nbusses () const;
297 struct RoutePublicOrderSorter {
298 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
301 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
302 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
303 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
305 boost::shared_ptr<Route> route_by_name (string);
306 boost::shared_ptr<Route> route_by_id (PBD::ID);
307 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
309 bool route_name_unique (string) const;
311 bool get_record_enabled() const {
312 return (record_status () >= Enabled);
315 RecordState record_status() const {
316 return (RecordState) g_atomic_int_get (&_record_status);
319 bool actively_recording () {
320 return record_status() == Recording;
323 bool record_enabling_legal () const;
324 void maybe_enable_record ();
325 void disable_record (bool rt_context, bool force = false);
326 void step_back_from_record ();
328 /* Proxy signal for region hidden changes */
330 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
332 /* Emitted when all i/o connections are complete */
334 sigc::signal<void> IOConnectionsComplete;
336 /* Record status signals */
338 sigc::signal<void> RecordStateChanged;
340 /* Transport mechanism signals */
342 sigc::signal<void> TransportStateChange; /* generic */
343 sigc::signal<void,jack_nframes_t> PositionChanged; /* sent after any non-sequential motion */
344 sigc::signal<void> DurationChanged;
345 sigc::signal<void> HaltOnXrun;
347 sigc::signal<void,RouteList&> RouteAdded;
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;
368 int remove_region_from_region_list (boost::shared_ptr<Region>);
370 jack_nframes_t get_maximum_extent () const;
371 jack_nframes_t current_end_frame() const { return end_location->start(); }
372 jack_nframes_t current_start_frame() const { return start_location->start(); }
373 jack_nframes_t frame_rate() const { return _current_frame_rate; }
374 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
375 jack_nframes_t frames_per_hour() const { return _frames_per_hour; }
376 jack_nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
380 Locations *locations() { return &_locations; }
382 sigc::signal<void,Location*> auto_loop_location_changed;
383 sigc::signal<void,Location*> auto_punch_location_changed;
384 sigc::signal<void> locations_modified;
386 void set_auto_punch_location (Location *);
387 void set_auto_loop_location (Location *);
417 sigc::signal<void,ControlType> ControlChanged;
419 void set_auto_play (bool yn);
420 void set_auto_return (bool yn);
421 void set_auto_input (bool yn);
422 void reset_input_monitor_state ();
423 void set_input_auto_connect (bool yn);
424 void set_output_auto_connect (AutoConnectOption);
425 void set_punch_in (bool yn);
426 void set_punch_out (bool yn);
427 void set_send_mtc (bool yn);
428 void set_send_mmc (bool yn);
429 void set_mmc_control (bool yn);
430 void set_midi_feedback (bool yn);
431 void set_midi_control (bool yn);
432 void set_do_not_record_plugins (bool yn);
433 void set_crossfades_active (bool yn);
434 void set_seamless_loop (bool yn);
436 bool get_auto_play () const { return auto_play; }
437 bool get_auto_input () const { return auto_input; }
438 bool get_auto_loop () const { return auto_loop; }
439 bool get_seamless_loop () const { return seamless_loop; }
440 bool get_punch_in () const { return punch_in; }
441 bool get_punch_out () const { return punch_out; }
442 bool get_all_safe () const { return all_safe; }
443 bool get_auto_return () const { return auto_return; }
444 bool get_send_mtc () const;
445 bool get_send_mmc () const;
446 bool get_mmc_control () const;
447 bool get_midi_feedback () const;
448 bool get_midi_control () const;
449 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
450 bool get_crossfades_active () const { return crossfades_active; }
452 bool get_input_auto_connect () const;
453 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
461 void set_layer_model (LayerModel);
462 LayerModel get_layer_model () const { return layer_model; }
464 void set_xfade_model (CrossfadeModel);
465 CrossfadeModel get_xfade_model () const { return xfade_model; }
467 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
468 void remove_event (jack_nframes_t frame, Event::Type type);
469 void clear_events (Event::Type type);
471 jack_nframes_t get_block_size() const { return current_block_size; }
472 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
473 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
474 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
476 int save_state (string snapshot_name, bool pending = false);
477 int restore_state (string snapshot_name);
478 int save_template (string template_name);
479 int save_history (string snapshot_name = "");
480 int restore_history (string snapshot_name);
482 static int rename_template (string old_name, string new_name);
484 static int delete_template (string name);
486 sigc::signal<void,string> StateSaved;
487 sigc::signal<void> StateReady;
489 vector<string*>* possible_states() const;
490 static vector<string*>* possible_states(string path);
492 XMLNode& get_state();
493 int set_state(const XMLNode& node); // not idempotent
494 XMLNode& get_template();
496 void add_instant_xml (XMLNode&, const std::string& dir);
498 enum StateOfTheState {
503 InitialConnecting = 0x8,
508 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
510 RouteGroup* add_edit_group (string);
511 RouteGroup* add_mix_group (string);
513 void remove_edit_group (RouteGroup&);
514 void remove_mix_group (RouteGroup&);
516 RouteGroup *mix_group_by_name (string);
517 RouteGroup *edit_group_by_name (string);
519 sigc::signal<void,RouteGroup*> edit_group_added;
520 sigc::signal<void,RouteGroup*> mix_group_added;
521 sigc::signal<void> edit_group_removed;
522 sigc::signal<void> mix_group_removed;
524 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
525 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
530 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
531 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
536 /* fundamental operations. duh. */
538 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
539 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
541 void remove_route (boost::shared_ptr<Route>);
543 void resort_routes ();
544 void resort_routes_using (boost::shared_ptr<RouteList>);
546 AudioEngine &engine() { return _engine; };
548 /* configuration. there should really be accessors/mutators
552 float meter_hold () { return _meter_hold; }
553 void set_meter_hold (float);
554 sigc::signal<void> MeterHoldChanged;
556 float meter_falloff () { return _meter_falloff; }
557 void set_meter_falloff (float);
558 sigc::signal<void> MeterFalloffChanged;
562 string click_emphasis_sound;
564 bool click_requested;
565 jack_nframes_t over_length_short;
566 jack_nframes_t over_length_long;
567 bool send_midi_timecode;
568 bool send_midi_machine_control;
569 float shuttle_speed_factor;
570 float shuttle_speed_threshold;
572 float smpte_frames_per_second;
573 bool smpte_drop_frames;
579 jack_nframes_t transport_frame () const {return _transport_frame; }
580 jack_nframes_t audible_frame () const;
582 int set_smpte_type (float fps, bool drop_frames);
584 void bbt_time (jack_nframes_t when, BBT_Time&);
585 void smpte_to_sample( SMPTE::Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
586 void sample_to_smpte( jack_nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
587 void smpte_time (SMPTE::Time &);
588 void smpte_time (jack_nframes_t when, SMPTE::Time&);
589 void smpte_time_subframes (jack_nframes_t when, SMPTE::Time&);
591 void smpte_duration (jack_nframes_t, SMPTE::Time&) const;
592 void smpte_duration_string (char *, jack_nframes_t) const;
594 void set_smpte_offset (jack_nframes_t);
595 jack_nframes_t smpte_offset () const { return _smpte_offset; }
596 void set_smpte_offset_negative (bool);
597 bool smpte_offset_negative () const { return _smpte_offset_negative; }
599 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
601 static sigc::signal<void> SMPTEOffsetChanged;
602 sigc::signal<void> SMPTETypeChanged;
604 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
605 SlaveSource slave_source() const { return _slave_type; }
606 bool synced_to_jack() const { return _slave_type == JACK; }
607 float transport_speed() const { return _transport_speed; }
608 bool transport_stopped() const { return _transport_speed == 0.0f; }
609 bool transport_rolling() const { return _transport_speed != 0.0f; }
611 int jack_slave_sync (jack_nframes_t);
613 TempoMap& tempo_map() { return *_tempo_map; }
617 sigc::signal<void,boost::shared_ptr<AudioRegion> > AudioRegionAdded;
618 sigc::signal<void,boost::shared_ptr<AudioRegion> > AudioRegionRemoved;
620 int region_name (string& result, string base = string(""), bool newlevel = false) const;
621 string new_region_name (string);
622 string path_from_region_name (string name, string identifier);
624 boost::shared_ptr<AudioRegion> find_whole_file_parent (boost::shared_ptr<AudioRegion>);
625 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
627 boost::shared_ptr<AudioRegion> XMLRegionFactory (const XMLNode&, bool full);
629 template<class T> void foreach_audio_region (T *obj, void (T::*func)(boost::shared_ptr<AudioRegion>));
631 /* source management */
633 struct import_status : public InterThreadInfo {
639 volatile bool freeze;
643 std::vector<boost::shared_ptr<AudioRegion> > new_regions;
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_audio_source (AudioSource *);
658 void remove_source (Source *);
659 int cleanup_audio_file_source (AudioFileSource&);
661 struct cleanup_report {
662 vector<string> paths;
666 int cleanup_sources (cleanup_report&);
667 int cleanup_trash_sources (cleanup_report&);
669 int destroy_region (boost::shared_ptr<Region>);
670 int destroy_regions (std::list<boost::shared_ptr<Region> >);
672 int remove_last_capture ();
674 /* handlers should return -1 for "stop cleanup", 0 for
675 "yes, delete this playlist" and 1 for "no, don't delete
679 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
682 /* handlers should return !0 for use pending state, 0 for
686 static sigc::signal<int> AskAboutPendingState;
688 sigc::signal<void,Source *> SourceAdded;
689 sigc::signal<void,Source *> SourceRemoved;
691 AudioFileSource *create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
693 Source *source_by_id (const PBD::ID&);
695 /* playlist management */
697 Playlist* playlist_by_name (string name);
698 void add_playlist (Playlist *);
699 sigc::signal<void,Playlist*> PlaylistAdded;
700 sigc::signal<void,Playlist*> PlaylistRemoved;
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;
716 /* Curves and AutomationLists (TODO when they go away) */
717 void add_curve(Curve*);
718 void add_automation_list(AutomationList*);
722 float get_default_fade_length () const { return default_fade_msecs; }
723 float get_default_fade_steepness () const { return default_fade_steepness; }
724 void set_default_fade (float steepness, float msecs);
728 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
729 void audition_playlist ();
730 void audition_region (boost::shared_ptr<Region>);
731 void cancel_audition ();
732 bool is_auditioning () const;
734 sigc::signal<void,bool> AuditionActive;
736 /* flattening stuff */
738 int write_one_audio_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<AudioSource*>&,
739 InterThreadInfo& wot);
740 int freeze (InterThreadInfo&);
742 /* session-wide solo/mute/rec-enable */
749 bool soloing() const { return currently_soloing; }
751 SoloModel solo_model() const { return _solo_model; }
752 void set_solo_model (SoloModel);
754 bool solo_latched() const { return _solo_latched; }
755 void set_solo_latched (bool yn);
757 void set_all_solo (bool);
758 void set_all_mute (bool);
760 sigc::signal<void,bool> SoloActive;
762 void record_disenable_all ();
763 void record_enable_all ();
765 /* control/master out */
767 boost::shared_ptr<IO> control_out() const { return _control_out; }
768 boost::shared_ptr<IO> master_out() const { return _master_out; }
770 /* insert/send management */
772 uint32_t n_port_inserts() const { return _port_inserts.size(); }
773 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
774 uint32_t n_sends() const { return _sends.size(); }
776 string next_send_name();
777 string next_insert_name();
779 /* s/w "RAID" management */
781 jack_nframes_t available_capture_duration();
783 /* I/O Connections */
785 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
786 void add_connection (Connection *);
787 void remove_connection (Connection *);
788 Connection *connection_by_name (string) const;
790 sigc::signal<void,Connection *> ConnectionAdded;
791 sigc::signal<void,Connection *> ConnectionRemoved;
795 int set_mtc_port (string port_tag);
796 int set_mmc_port (string port_tag);
797 int set_midi_port (string port_tag);
798 MIDI::Port *mtc_port() const { return _mtc_port; }
799 MIDI::Port *mmc_port() const { return _mmc_port; }
800 MIDI::Port *midi_port() const { return _midi_port; }
802 sigc::signal<void> MTC_PortChanged;
803 sigc::signal<void> MMC_PortChanged;
804 sigc::signal<void> MIDI_PortChanged;
806 void set_trace_midi_input (bool, MIDI::Port* port = 0);
807 void set_trace_midi_output (bool, MIDI::Port* port = 0);
809 bool get_trace_midi_input(MIDI::Port *port = 0);
810 bool get_trace_midi_output(MIDI::Port *port = 0);
812 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
814 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
818 void start_scrub (jack_nframes_t where);
820 void set_scrub_speed (float);
821 jack_nframes_t scrub_buffer_size() const;
822 sigc::signal<void> ScrubReady;
824 /* History (for editors, mixers, UIs etc.) */
826 void undo (uint32_t n) {
829 void redo (uint32_t n) {
833 uint32_t undo_depth() const { return history.undo_depth(); }
834 uint32_t redo_depth() const { return history.redo_depth(); }
835 string next_undo() const { return history.next_undo(); }
836 string next_redo() const { return history.next_redo(); }
838 void begin_reversible_command (string cmd_name);
839 void commit_reversible_command (Command* cmd = 0);
841 void add_command (Command *const cmd) {
842 current_trans->add_command (cmd);
845 std::map<PBD::ID, PBD::StatefulDestructible*> registry;
847 // these commands are implemented in libs/ardour/session_command.cc
848 Command *memento_command_factory(XMLNode *n);
849 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible *);
851 class GlobalSoloStateCommand : public Command
853 GlobalRouteBooleanState before, after;
857 GlobalSoloStateCommand(Session &, void *src);
860 XMLNode &get_state();
864 class GlobalMuteStateCommand : public Command
866 GlobalRouteBooleanState before, after;
870 GlobalMuteStateCommand(Session &, void *src);
873 XMLNode &get_state();
877 class GlobalRecordEnableStateCommand : public Command
879 GlobalRouteBooleanState before, after;
883 GlobalRecordEnableStateCommand(Session &, void *src);
886 XMLNode &get_state();
890 class GlobalMeteringStateCommand : public Command
892 GlobalRouteMeterState before, after;
896 GlobalMeteringStateCommand(Session &, void *src);
899 XMLNode &get_state();
905 void set_edit_mode (EditMode);
906 EditMode get_edit_mode () const { return _edit_mode; }
910 boost::shared_ptr<IO> click_io() { return _click_io; }
911 void set_clicking (bool yn);
912 bool get_clicking() const;
914 void set_click_sound (string path);
915 void set_click_emphasis_sound (string path);
919 struct TimeStretchRequest {
920 boost::shared_ptr<ARDOUR::AudioRegion> region;
921 float fraction; /* session: read ; GUI: write */
922 float progress; /* session: write ; GUI: read */
923 bool running; /* read/write */
924 bool quick_seek; /* GUI: write */
925 bool antialias; /* GUI: write */
927 TimeStretchRequest () {}
930 boost::shared_ptr<AudioRegion> tempoize_region (TimeStretchRequest&);
932 string raid_path() const;
933 void set_raid_path(string);
935 /* need to call this whenever we change native file formats */
937 void reset_native_file_format();
939 /* disk, buffer loads */
941 uint32_t playback_load ();
942 uint32_t capture_load ();
943 uint32_t playback_load_min ();
944 uint32_t capture_load_min ();
946 void reset_playback_load_min ();
947 void reset_capture_load_min ();
949 float read_data_rate () const;
950 float write_data_rate () const;
954 void set_audio_range (list<AudioRange>&);
955 void set_music_range (list<MusicRange>&);
957 void request_play_range (bool yn);
958 bool get_play_range () const { return _play_range; }
961 typedef vector<string> FavoriteDirs;
963 static int read_favorite_dirs (FavoriteDirs&);
965 static int write_favorite_dirs (FavoriteDirs&);
969 static const char* template_suffix() { return _template_suffix; }
970 static const char* statefile_suffix() { return _statefile_suffix; }
971 static const char* pending_suffix() { return _pending_suffix; }
973 /* buffers for gain and pan */
975 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
976 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
978 /* buffers for conversion */
987 static long vst_callback (AEffect* effect,
994 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
995 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
996 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
997 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
999 static compute_peak_t compute_peak;
1000 static apply_gain_to_buffer_t apply_gain_to_buffer;
1001 static mix_buffers_with_gain_t mix_buffers_with_gain;
1002 static mix_buffers_no_gain_t mix_buffers_no_gain;
1004 static sigc::signal<void> SendFeedback;
1008 PBD::Controllable* controllable_by_id (const PBD::ID&);
1011 friend class AudioEngine;
1012 void set_block_size (jack_nframes_t nframes);
1013 void set_frame_rate (jack_nframes_t nframes);
1016 friend class Diskstream;
1017 void stop_butler ();
1018 void wait_till_butler_finished();
1022 void schedule_curve_reallocation ();
1023 void update_latency_compensation (bool, bool);
1026 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
1028 static const char* _template_suffix;
1029 static const char* _statefile_suffix;
1030 static const char* _pending_suffix;
1033 PendingDeclickIn = 0x1,
1034 PendingDeclickOut = 0x2,
1035 StopPendingCapture = 0x4,
1036 AutoReturning = 0x10,
1037 PendingLocate = 0x20,
1038 PendingSetLoop = 0x40
1041 /* stuff used in process() should be close together to
1045 typedef void (Session::*process_function_type)(jack_nframes_t);
1047 AudioEngine &_engine;
1048 mutable gint processing_prohibited;
1049 process_function_type process_function;
1050 process_function_type last_process_function;
1051 jack_nframes_t _current_frame_rate;
1052 int transport_sub_state;
1053 mutable gint _record_status;
1054 jack_nframes_t _transport_frame;
1055 Location* end_location;
1056 Location* start_location;
1058 SlaveSource _slave_type;
1059 volatile float _transport_speed;
1060 volatile float _desired_transport_speed;
1061 float _last_transport_speed;
1062 jack_nframes_t _last_slave_transport_frame;
1063 jack_nframes_t maximum_output_latency;
1064 jack_nframes_t last_stop_frame;
1065 vector<Sample *> _passthru_buffers;
1066 vector<Sample *> _silent_buffers;
1067 vector<Sample *> _send_buffers;
1068 jack_nframes_t current_block_size;
1069 jack_nframes_t _worst_output_latency;
1070 jack_nframes_t _worst_input_latency;
1071 jack_nframes_t _worst_track_latency;
1072 bool _have_captured;
1074 float _meter_falloff;
1075 bool _end_location_is_free;
1077 void set_worst_io_latencies ();
1078 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1079 set_worst_io_latencies ();
1082 void update_latency_compensation_proxy (void* ignored);
1084 void ensure_passthru_buffers (uint32_t howmany);
1086 void process_scrub (jack_nframes_t);
1087 void process_without_events (jack_nframes_t);
1088 void process_with_events (jack_nframes_t);
1089 void process_audition (jack_nframes_t);
1090 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1092 /* slave tracking */
1094 static const int delta_accumulator_size = 25;
1095 int delta_accumulator_cnt;
1096 long delta_accumulator[delta_accumulator_size];
1097 long average_slave_delta;
1099 bool have_first_delta_accumulator;
1107 SlaveState slave_state;
1108 jack_nframes_t slave_wait_end;
1110 void reset_slave_state ();
1111 bool follow_slave (jack_nframes_t, jack_nframes_t);
1114 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1116 void prepare_diskstreams ();
1117 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1118 int process_routes (jack_nframes_t, jack_nframes_t);
1119 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1121 bool get_rec_monitors_input () {
1122 if (actively_recording()) {
1133 int get_transport_declick_required () {
1135 if (transport_sub_state & PendingDeclickIn) {
1136 transport_sub_state &= ~PendingDeclickIn;
1138 } else if (transport_sub_state & PendingDeclickOut) {
1145 bool maybe_stop (jack_nframes_t limit) {
1146 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1153 void check_declick_out ();
1155 MIDI::MachineControl* mmc;
1156 MIDI::Port* _mmc_port;
1157 MIDI::Port* _mtc_port;
1158 MIDI::Port* _midi_port;
1161 bool do_not_record_plugins;
1171 jack_nframes_t last_loopend;
1173 bool crossfades_active;
1182 RingBuffer<Event*> pending_events;
1185 void when_engine_running ();
1186 sigc::connection first_time_running;
1187 void graph_reordered ();
1189 string _current_snapshot_name;
1191 XMLTree* state_tree;
1192 bool state_was_pending;
1193 StateOfTheState _state_of_the_state;
1196 int load_options (const XMLNode&);
1197 XMLNode& get_options () const;
1198 int load_state (string snapshot_name);
1200 jack_nframes_t _last_roll_location;
1201 jack_nframes_t _last_record_location;
1202 bool pending_locate_roll;
1203 jack_nframes_t pending_locate_frame;
1205 bool pending_locate_flush;
1207 bool pending_auto_loop;
1209 Sample* butler_mixdown_buffer;
1210 float* butler_gain_buffer;
1211 pthread_t butler_thread;
1212 Glib::Mutex butler_request_lock;
1213 Glib::Cond butler_paused;
1214 bool butler_should_run;
1215 mutable gint butler_should_do_transport_work;
1216 int butler_request_pipe[2];
1218 struct ButlerRequest {
1227 enum PostTransportWork {
1228 PostTransportStop = 0x1,
1229 PostTransportDisableRecord = 0x2,
1230 PostTransportPosition = 0x8,
1231 PostTransportDidRecord = 0x20,
1232 PostTransportDuration = 0x40,
1233 PostTransportLocate = 0x80,
1234 PostTransportRoll = 0x200,
1235 PostTransportAbort = 0x800,
1236 PostTransportOverWrite = 0x1000,
1237 PostTransportSpeed = 0x2000,
1238 PostTransportAudition = 0x4000,
1239 PostTransportScrub = 0x8000,
1240 PostTransportReverse = 0x10000,
1241 PostTransportInputChange = 0x20000,
1242 PostTransportCurveRealloc = 0x40000
1245 static const PostTransportWork ProcessCannotProceedMask =
1246 PostTransportWork (PostTransportInputChange|
1248 PostTransportReverse|
1249 PostTransportCurveRealloc|
1251 PostTransportAudition|
1252 PostTransportLocate|
1255 PostTransportWork post_transport_work;
1257 void summon_butler ();
1258 void schedule_butler_transport_work ();
1259 int start_butler_thread ();
1260 void terminate_butler_thread ();
1261 static void *_butler_thread_work (void *arg);
1262 void* butler_thread_work ();
1264 uint32_t cumulative_rf_motion;
1267 void set_rf_speed (float speed);
1268 void reset_rf_scale (jack_nframes_t frames_moved);
1270 Locations _locations;
1271 void locations_changed ();
1272 void locations_added (Location*);
1273 void handle_locations_changed (Locations::LocationList&);
1275 sigc::connection auto_punch_start_changed_connection;
1276 sigc::connection auto_punch_end_changed_connection;
1277 sigc::connection auto_punch_changed_connection;
1278 void auto_punch_start_changed (Location *);
1279 void auto_punch_end_changed (Location *);
1280 void auto_punch_changed (Location *);
1282 sigc::connection auto_loop_start_changed_connection;
1283 sigc::connection auto_loop_end_changed_connection;
1284 sigc::connection auto_loop_changed_connection;
1285 void auto_loop_changed (Location *);
1287 typedef list<Event *> Events;
1289 Events immediate_events;
1290 Events::iterator next_event;
1292 /* there can only ever be one of each of these */
1294 Event *auto_loop_event;
1295 Event *punch_out_event;
1296 Event *punch_in_event;
1300 void dump_events () const;
1301 void queue_event (Event *ev);
1302 void merge_event (Event*);
1303 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1304 bool _replace_event (Event*);
1305 bool _remove_event (Event *);
1306 void _clear_event_type (Event::Type);
1308 void first_stage_init (string path, string snapshot_name);
1309 int second_stage_init (bool new_tracks);
1310 void find_current_end ();
1311 void remove_empty_sounds ();
1313 void setup_midi_control ();
1314 int midi_read (MIDI::Port *);
1316 void enable_record ();
1318 void increment_transport_position (uint32_t val) {
1319 if (max_frames - val < _transport_frame) {
1320 _transport_frame = max_frames;
1322 _transport_frame += val;
1326 void decrement_transport_position (uint32_t val) {
1327 if (val < _transport_frame) {
1328 _transport_frame -= val;
1330 _transport_frame = 0;
1334 void post_transport_motion ();
1335 static void *session_loader_thread (void *arg);
1339 void set_next_event ();
1340 void process_event (Event *);
1342 /* MIDI Machine Control */
1344 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1345 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1346 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1348 void spp_start (MIDI::Parser&);
1349 void spp_continue (MIDI::Parser&);
1350 void spp_stop (MIDI::Parser&);
1352 void mmc_deferred_play (MIDI::MachineControl &);
1353 void mmc_stop (MIDI::MachineControl &);
1354 void mmc_step (MIDI::MachineControl &, int);
1355 void mmc_pause (MIDI::MachineControl &);
1356 void mmc_record_pause (MIDI::MachineControl &);
1357 void mmc_record_strobe (MIDI::MachineControl &);
1358 void mmc_record_exit (MIDI::MachineControl &);
1359 void mmc_track_record_status (MIDI::MachineControl &,
1360 uint32_t track, bool enabled);
1361 void mmc_fast_forward (MIDI::MachineControl &);
1362 void mmc_rewind (MIDI::MachineControl &);
1363 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1364 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1365 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1367 struct timeval last_mmc_step;
1370 typedef sigc::slot<bool> MidiTimeoutCallback;
1371 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1373 MidiTimeoutList midi_timeouts;
1374 bool mmc_step_timeout ();
1376 MIDI::byte mmc_buffer[32];
1377 MIDI::byte mtc_msg[16];
1378 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1379 MIDI::byte midi_msg[16];
1380 jack_nframes_t outbound_mtc_smpte_frame;
1381 SMPTE::Time transmitting_smpte_time;
1382 int next_quarter_frame_to_send;
1384 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1385 jack_nframes_t _frames_per_hour;
1386 jack_nframes_t _smpte_frames_per_hour;
1387 jack_nframes_t _smpte_offset;
1388 bool _smpte_offset_negative;
1390 /* cache the most-recently requested time conversions.
1391 this helps when we have multiple clocks showing the
1392 same time (e.g. the transport frame)
1395 bool last_smpte_valid;
1396 jack_nframes_t last_smpte_when;
1397 SMPTE::Time last_smpte;
1399 int send_full_time_code ();
1400 int send_midi_time_code ();
1402 void send_full_time_code_in_another_thread ();
1403 void send_midi_time_code_in_another_thread ();
1404 void send_time_code_in_another_thread (bool full);
1405 void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1407 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1409 void reset_record_status ();
1411 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1413 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1414 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1416 struct MIDIRequest {
1429 MIDI::MachineControl::Command mmc_cmd;
1430 jack_nframes_t locate_frame;
1432 // for SendMessage type
1435 MIDI::channel_t chan;
1437 MIDI::EventTwoBytes data;
1448 void *operator new(size_t ignored) {
1449 return pool.alloc ();
1452 void operator delete(void *ptr, size_t size) {
1457 static MultiAllocSingleReleasePool pool;
1460 Glib::Mutex midi_lock;
1461 pthread_t midi_thread;
1462 int midi_request_pipe[2];
1463 mutable gint butler_active;
1464 RingBuffer<MIDIRequest*> midi_requests;
1466 int start_midi_thread ();
1467 void terminate_midi_thread ();
1468 void poke_midi_thread ();
1469 static void *_midi_thread_work (void *arg);
1470 void midi_thread_work ();
1471 void change_midi_ports ();
1472 int use_config_midi_ports ();
1474 bool waiting_to_start;
1476 void set_auto_loop (bool yn);
1477 void overwrite_some_buffers (Diskstream*);
1478 void flush_all_redirects ();
1479 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1480 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1481 void force_locate (jack_nframes_t frame, bool with_roll = false);
1482 void set_diskstream_speed (Diskstream*, float speed);
1483 void set_transport_speed (float speed, bool abort = false);
1484 void stop_transport (bool abort = false);
1485 void start_transport ();
1486 void actually_start_transport ();
1487 void realtime_stop (bool abort);
1488 void non_realtime_start_scrub ();
1489 void non_realtime_set_speed ();
1490 void non_realtime_stop (bool abort);
1491 void non_realtime_overwrite ();
1492 void non_realtime_buffer_fill ();
1493 void butler_transport_work ();
1494 void post_transport ();
1495 void engine_halted ();
1496 void xrun_recovery ();
1498 TempoMap *_tempo_map;
1499 void tempo_map_changed (Change);
1501 /* edit/mix groups */
1503 int load_route_groups (const XMLNode&, bool is_edit);
1504 int load_edit_groups (const XMLNode&);
1505 int load_mix_groups (const XMLNode&);
1508 list<RouteGroup *> edit_groups;
1509 list<RouteGroup *> mix_groups;
1513 SerializedRCUManager<DiskstreamList> diskstreams;
1515 uint32_t dstream_buffer_size;
1516 int load_diskstreams (const XMLNode&);
1520 SerializedRCUManager<RouteList> routes;
1522 void add_routes (RouteList&, bool save = true);
1523 uint32_t destructive_index;
1525 int load_routes (const XMLNode&);
1526 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1531 SoloModel _solo_model;
1532 bool solo_update_disabled;
1533 bool currently_soloing;
1535 void route_mute_changed (void *src);
1536 void route_solo_changed (void *src, boost::shared_ptr<Route>);
1537 void catch_up_on_solo ();
1538 void update_route_solo_state ();
1539 void modify_solo_mute (bool, bool);
1540 void strip_portname_for_solo (string& portname);
1542 /* REGION MANAGEMENT */
1544 mutable Glib::Mutex region_lock;
1545 typedef map<PBD::ID,boost::shared_ptr<AudioRegion> > AudioRegionList;
1546 AudioRegionList audio_regions;
1548 void region_renamed (boost::shared_ptr<Region>);
1549 void region_changed (Change, boost::shared_ptr<Region>);
1550 void add_region (boost::shared_ptr<Region>);
1551 void remove_region (boost::shared_ptr<Region>);
1553 int load_regions (const XMLNode& node);
1557 mutable Glib::Mutex audio_source_lock;
1558 typedef std::map<PBD::ID,AudioSource *> AudioSourceList;
1560 AudioSourceList audio_sources;
1562 int load_sources (const XMLNode& node);
1563 XMLNode& get_sources_as_xml ();
1565 Source *XMLSourceFactory (const XMLNode&);
1569 mutable Glib::Mutex playlist_lock;
1570 typedef set<Playlist *> PlaylistList;
1571 PlaylistList playlists;
1572 PlaylistList unused_playlists;
1574 int load_playlists (const XMLNode&);
1575 int load_unused_playlists (const XMLNode&);
1576 void remove_playlist (Playlist *);
1577 void track_playlist (Playlist *, bool);
1579 Playlist *playlist_factory (string name);
1580 Playlist *XMLPlaylistFactory (const XMLNode&);
1582 void playlist_length_changed (Playlist *);
1583 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1585 /* NAMED SELECTIONS */
1587 mutable Glib::Mutex named_selection_lock;
1588 typedef set<NamedSelection *> NamedSelectionList;
1589 NamedSelectionList named_selections;
1591 int load_named_selections (const XMLNode&);
1593 NamedSelection *named_selection_factory (string name);
1594 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1596 /* CURVES and AUTOMATION LISTS */
1597 std::map<PBD::ID, Curve*> curves;
1598 std::map<PBD::ID, AutomationList*> automation_lists;
1600 /* DEFAULT FADE CURVES */
1602 float default_fade_steepness;
1603 float default_fade_msecs;
1607 boost::shared_ptr<Auditioner> auditioner;
1608 void set_audition (boost::shared_ptr<AudioRegion>);
1609 void non_realtime_set_audition ();
1610 boost::shared_ptr<AudioRegion> pending_audition_region;
1616 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1618 /* INSERT AND SEND MANAGEMENT */
1620 list<PortInsert *> _port_inserts;
1621 list<PluginInsert *> _plugin_inserts;
1622 list<Send *> _sends;
1624 uint32_t insert_cnt;
1626 void add_redirect (Redirect *);
1627 void remove_redirect (Redirect *);
1631 struct space_and_path {
1632 uint32_t blocks; /* 4kB blocks */
1640 struct space_and_path_ascending_cmp {
1641 bool operator() (space_and_path a, space_and_path b) {
1642 return a.blocks > b.blocks;
1646 void setup_raid_path (string path);
1648 vector<space_and_path> session_dirs;
1649 vector<space_and_path>::iterator last_rr_session_dir;
1650 uint32_t _total_free_4k_blocks;
1651 Glib::Mutex space_lock;
1653 static const char* sound_dir_name;
1654 static const char* tape_dir_name;
1655 static const char* dead_sound_dir_name;
1656 static const char* peak_dir_name;
1658 string discover_best_sound_dir (bool destructive = false);
1659 int ensure_sound_dir (string, string&);
1660 void refresh_disk_space ();
1662 mutable gint _playback_load;
1663 mutable gint _capture_load;
1664 mutable gint _playback_load_min;
1665 mutable gint _capture_load_min;
1667 /* I/O Connections */
1669 typedef list<Connection *> ConnectionList;
1670 mutable Glib::Mutex connection_lock;
1671 ConnectionList _connections;
1672 int load_connections (const XMLNode&);
1674 int set_slave_source (SlaveSource, jack_nframes_t);
1676 void reverse_diskstream_buffers ();
1678 UndoHistory history;
1679 UndoTransaction* current_trans;
1681 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1682 GlobalRouteMeterState get_global_route_metering ();
1684 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1685 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1687 void set_global_mute (GlobalRouteBooleanState s, void *src);
1688 void set_global_solo (GlobalRouteBooleanState s, void *src);
1689 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1691 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1692 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1693 void record_enable_change_all (bool yn);
1695 XMLNode& state(bool);
1700 jack_nframes_t start;
1701 jack_nframes_t duration;
1702 jack_nframes_t offset;
1705 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1706 : start (s), duration (d), data (b) { offset = 0; }
1708 void *operator new(size_t ignored) {
1709 return pool.alloc ();
1712 void operator delete(void *ptr, size_t size) {
1720 typedef list<Click*> Clicks;
1724 boost::shared_ptr<IO> _click_io;
1726 Sample* click_emphasis_data;
1727 jack_nframes_t click_length;
1728 jack_nframes_t click_emphasis_length;
1729 mutable Glib::RWLock click_lock;
1731 static const Sample default_click[];
1732 static const jack_nframes_t default_click_length;
1733 static const Sample default_click_emphasis[];
1734 static const jack_nframes_t default_click_emphasis_length;
1737 void setup_click_sounds (int which);
1738 void clear_clicks ();
1739 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1741 vector<Route*> master_outs;
1743 EditMode _edit_mode;
1744 EditMode pending_edit_mode;
1746 /* range playback */
1748 list<AudioRange> current_audio_range;
1750 void set_play_range (bool yn);
1751 void setup_auto_play ();
1756 boost::shared_ptr<IO> _master_out;
1757 boost::shared_ptr<IO> _control_out;
1759 AutoConnectOption input_auto_connect;
1760 AutoConnectOption output_auto_connect;
1762 gain_t* _gain_automation_buffer;
1763 pan_t** _pan_automation_buffer;
1764 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1765 uint32_t _npan_buffers;
1769 long _vst_callback (VSTPlugin*,
1776 /* number of hardware audio ports we're using,
1777 based on max (requested,available)
1780 uint32_t n_physical_outputs;
1781 uint32_t n_physical_inputs;
1783 void remove_pending_capture_state ();
1785 int find_all_sources (std::string path, std::set<std::string>& result);
1786 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1788 LayerModel layer_model;
1789 CrossfadeModel xfade_model;
1791 typedef std::list<PBD::Controllable*> Controllables;
1792 Glib::Mutex controllables_lock;
1793 Controllables controllables;
1795 void add_controllable (PBD::Controllable*);
1796 void remove_controllable (PBD::Controllable*);
1799 } // namespace ARDOUR
1801 #endif /* __ardour_session_h__ */