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>
41 #include <midi++/types.h>
42 #include <midi++/mmc.h>
44 #include <pbd/stateful.h>
46 #include <ardour/ardour.h>
47 #include <ardour/configuration.h>
48 #include <ardour/location.h>
49 #include <ardour/gain.h>
50 #include <ardour/io.h>
52 #include <ardour/smpte.h>
79 class AudioDiskstream;
81 class AudioFileSource;
98 class ControlProtocolManager;
100 //class MidiDiskstream;
106 struct AudioExportSpecification;
115 class Session : public sigc::trackable, public Stateful
119 typedef std::pair<boost::shared_ptr<Route>,bool> RouteBooleanState;
120 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
121 typedef std::pair<boost::shared_ptr<Route>,MeterPoint> RouteMeterState;
122 typedef vector<RouteMeterState> GlobalRouteMeterState;
137 enum AutoConnectOption {
138 AutoConnectPhysical = 0x1,
139 AutoConnectMaster = 0x2
156 InputConfigurationChange,
160 /* only one of each of these events
161 can be queued at any one time
177 jack_nframes_t action_frame;
178 jack_nframes_t target_frame;
184 Session::SlaveSource slave;
188 list<AudioRange> audio_range;
189 list<MusicRange> music_range;
191 Event(Type t, Action a, jack_nframes_t when, jack_nframes_t where, float spd, bool yn = false)
195 target_frame (where),
199 void set_ptr (void* p) {
203 bool before (const Event& other) const {
204 return action_frame < other.action_frame;
207 bool after (const Event& other) const {
208 return action_frame > other.action_frame;
211 static bool compare (const Event *e1, const Event *e2) {
212 return e1->before (*e2);
215 void *operator new (size_t ignored) {
216 return pool.alloc ();
219 void operator delete(void *ptr, size_t size) {
223 static const jack_nframes_t Immediate = 0;
226 static MultiAllocSingleReleasePool pool;
229 /* creating from an XML file */
231 Session (AudioEngine&,
233 string snapshot_name,
234 string* mix_template = 0);
236 /* creating a new Session */
238 Session (AudioEngine&,
240 string snapshot_name,
241 AutoConnectOption input_auto_connect,
242 AutoConnectOption output_auto_connect,
243 uint32_t control_out_channels,
244 uint32_t master_out_channels,
245 uint32_t n_physical_in,
246 uint32_t n_physical_out,
247 jack_nframes_t initial_length);
252 static int find_session (string str, string& path, string& snapshot, bool& isnew);
254 string path() const { return _path; }
255 string name() const { return _name; }
256 string snap_name() const { return _current_snapshot_name; }
258 void set_snap_name ();
262 bool dirty() const { return _state_of_the_state & Dirty; }
263 sigc::signal<void> DirtyChanged;
265 std::string sound_dir () const;
266 std::string tape_dir () const;
267 std::string peak_dir () const;
268 std::string dead_sound_dir () const;
269 std::string automation_dir () const;
271 static string suffixed_search_path (std::string suffix, bool data);
272 static string control_protocol_path ();
273 static string template_path ();
274 static string template_dir ();
275 static void get_template_list (list<string>&);
277 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
278 static string peak_path_from_audio_path (string);
279 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
280 string midi_path_from_name (string);
282 void process (jack_nframes_t nframes);
284 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
285 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
286 BufferSet& get_send_buffers (ChanCount count = ChanCount::ZERO);
288 void add_diskstream (boost::shared_ptr<Diskstream>);
289 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
290 boost::shared_ptr<Diskstream> diskstream_by_name (string name);
292 bool have_captured() const { return _have_captured; }
294 void refill_all_diskstream_buffers ();
295 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
297 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
298 uint32_t n_diskstreams() const;
300 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
301 typedef std::list<boost::shared_ptr<Route> > RouteList;
303 boost::shared_ptr<RouteList> get_routes() const {
304 return routes.reader ();
307 uint32_t nroutes() const { return routes.reader()->size(); }
308 uint32_t ntracks () const;
309 uint32_t nbusses () const;
311 struct RoutePublicOrderSorter {
312 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
315 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
316 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
317 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
319 boost::shared_ptr<Route> route_by_name (string);
320 boost::shared_ptr<Route> route_by_id (PBD::ID);
321 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
323 bool route_name_unique (string) const;
325 bool get_record_enabled() const {
326 return (record_status () >= Enabled);
329 RecordState record_status() const {
330 return (RecordState) g_atomic_int_get (&_record_status);
333 bool actively_recording () {
334 return record_status() == Recording;
337 bool record_enabling_legal () const;
338 void maybe_enable_record ();
339 void disable_record (bool rt_context, bool force = false);
340 void step_back_from_record ();
342 sigc::signal<void> going_away;
344 /* Proxy signal for region hidden changes */
346 sigc::signal<void,Region*> RegionHiddenChange;
348 /* Emitted when all i/o connections are complete */
350 sigc::signal<void> IOConnectionsComplete;
352 /* Record status signals */
354 sigc::signal<void> RecordStateChanged;
356 /* Transport mechanism signals */
358 sigc::signal<void> TransportStateChange; /* generic */
359 sigc::signal<void,jack_nframes_t> PositionChanged; /* sent after any non-sequential motion */
360 sigc::signal<void> DurationChanged;
361 sigc::signal<void> HaltOnXrun;
363 sigc::signal<void,RouteList&> RouteAdded;
365 void request_roll ();
366 void request_bounded_roll (jack_nframes_t start, jack_nframes_t end);
367 void request_stop (bool abort = false);
368 void request_locate (jack_nframes_t frame, bool with_roll = false);
369 void request_auto_loop (bool yn);
370 jack_nframes_t last_transport_start() const { return _last_roll_location; }
371 void goto_end () { request_locate (end_location->start(), false);}
372 void goto_start () { request_locate (start_location->start(), false); }
373 void use_rf_shuttle_speed ();
374 void request_transport_speed (float speed);
375 void request_overwrite_buffer (Diskstream*);
376 void request_diskstream_speed (Diskstream&, float speed);
377 void request_input_change_handling ();
379 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
380 bool transport_locked () const;
383 //int wipe_diskstream (AudioDiskstream *);
385 int remove_region_from_region_list (Region&);
387 jack_nframes_t get_maximum_extent () const;
388 jack_nframes_t current_end_frame() const { return end_location->start(); }
389 jack_nframes_t current_start_frame() const { return start_location->start(); }
390 jack_nframes_t frame_rate() const { return _current_frame_rate; }
391 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
392 jack_nframes_t frames_per_hour() const { return _frames_per_hour; }
393 jack_nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
397 Locations *locations() { return &_locations; }
399 sigc::signal<void,Location*> auto_loop_location_changed;
400 sigc::signal<void,Location*> auto_punch_location_changed;
401 sigc::signal<void> locations_modified;
403 void set_auto_punch_location (Location *);
404 void set_auto_loop_location (Location *);
434 sigc::signal<void,ControlType> ControlChanged;
436 void set_auto_play (bool yn);
437 void set_auto_return (bool yn);
438 void set_auto_input (bool yn);
439 void reset_input_monitor_state ();
440 void set_input_auto_connect (bool yn);
441 void set_output_auto_connect (AutoConnectOption);
442 void set_punch_in (bool yn);
443 void set_punch_out (bool yn);
444 void set_send_mtc (bool yn);
445 void set_send_mmc (bool yn);
446 void set_mmc_control (bool yn);
447 void set_midi_feedback (bool yn);
448 void set_midi_control (bool yn);
449 void set_do_not_record_plugins (bool yn);
450 void set_crossfades_active (bool yn);
451 void set_seamless_loop (bool yn);
453 bool get_auto_play () const { return auto_play; }
454 bool get_auto_input () const { return auto_input; }
455 bool get_auto_loop () const { return auto_loop; }
456 bool get_seamless_loop () const { return seamless_loop; }
457 bool get_punch_in () const { return punch_in; }
458 bool get_punch_out () const { return punch_out; }
459 bool get_all_safe () const { return all_safe; }
460 bool get_auto_return () const { return auto_return; }
461 bool get_send_mtc () const;
462 bool get_send_mmc () const;
463 bool get_mmc_control () const;
464 bool get_midi_feedback () const;
465 bool get_midi_control () const;
466 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
467 bool get_crossfades_active () const { return crossfades_active; }
469 bool get_input_auto_connect () const;
470 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
478 void set_layer_model (LayerModel);
479 LayerModel get_layer_model () const { return layer_model; }
481 void set_xfade_model (CrossfadeModel);
482 CrossfadeModel get_xfade_model () const { return xfade_model; }
484 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
485 void remove_event (jack_nframes_t frame, Event::Type type);
486 void clear_events (Event::Type type);
488 jack_nframes_t get_block_size() const { return current_block_size; }
489 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
490 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
491 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
493 int save_state (string snapshot_name, bool pending = false);
494 int restore_state (string snapshot_name);
495 int save_template (string template_name);
496 int save_history (string snapshot_name = "");
497 int restore_history (string snapshot_name);
499 static int rename_template (string old_name, string new_name);
501 static int delete_template (string name);
503 sigc::signal<void,string> StateSaved;
504 sigc::signal<void> StateReady;
506 vector<string*>* possible_states() const;
507 static vector<string*>* possible_states(string path);
509 XMLNode& get_state();
510 int set_state(const XMLNode& node); // not idempotent
511 XMLNode& get_template();
513 void add_instant_xml (XMLNode&, const std::string& dir);
515 enum StateOfTheState {
520 InitialConnecting = 0x8,
525 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
527 RouteGroup* add_edit_group (string);
528 RouteGroup* add_mix_group (string);
530 void remove_edit_group (RouteGroup&);
531 void remove_mix_group (RouteGroup&);
533 RouteGroup *mix_group_by_name (string);
534 RouteGroup *edit_group_by_name (string);
536 sigc::signal<void,RouteGroup*> edit_group_added;
537 sigc::signal<void,RouteGroup*> mix_group_added;
538 sigc::signal<void> edit_group_removed;
539 sigc::signal<void> mix_group_removed;
541 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
542 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
547 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
548 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
553 /* fundamental operations. duh. */
555 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
556 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
558 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (TrackMode mode = Normal, uint32_t how_many = 1);
559 //boost::shared_ptr<Route> new_midi_route (uint32_t how_many = 1);
561 void remove_route (boost::shared_ptr<Route>);
562 void resort_routes ();
563 void resort_routes_using (boost::shared_ptr<RouteList>);
565 AudioEngine &engine() { return _engine; };
567 /* configuration. there should really be accessors/mutators
571 float meter_hold () { return _meter_hold; }
572 void set_meter_hold (float);
573 sigc::signal<void> MeterHoldChanged;
575 float meter_falloff () { return _meter_falloff; }
576 void set_meter_falloff (float);
577 sigc::signal<void> MeterFalloffChanged;
581 string click_emphasis_sound;
583 bool click_requested;
584 jack_nframes_t over_length_short;
585 jack_nframes_t over_length_long;
586 bool send_midi_timecode;
587 bool send_midi_machine_control;
588 float shuttle_speed_factor;
589 float shuttle_speed_threshold;
591 float smpte_frames_per_second;
592 bool smpte_drop_frames;
598 jack_nframes_t transport_frame () const {return _transport_frame; }
599 jack_nframes_t audible_frame () const;
601 int set_smpte_type (float fps, bool drop_frames);
603 void bbt_time (jack_nframes_t when, BBT_Time&);
604 void smpte_to_sample( SMPTE::Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
605 void sample_to_smpte( jack_nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
606 void smpte_time (SMPTE::Time &);
607 void smpte_time (jack_nframes_t when, SMPTE::Time&);
608 void smpte_time_subframes (jack_nframes_t when, SMPTE::Time&);
610 void smpte_duration (jack_nframes_t, SMPTE::Time&) const;
611 void smpte_duration_string (char *, jack_nframes_t) const;
613 void set_smpte_offset (jack_nframes_t);
614 jack_nframes_t smpte_offset () const { return _smpte_offset; }
615 void set_smpte_offset_negative (bool);
616 bool smpte_offset_negative () const { return _smpte_offset_negative; }
618 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
620 static sigc::signal<void> SMPTEOffsetChanged;
621 sigc::signal<void> SMPTETypeChanged;
623 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
624 SlaveSource slave_source() const { return _slave_type; }
625 bool synced_to_jack() const { return _slave_type == JACK; }
626 float transport_speed() const { return _transport_speed; }
627 bool transport_stopped() const { return _transport_speed == 0.0f; }
628 bool transport_rolling() const { return _transport_speed != 0.0f; }
630 int jack_slave_sync (jack_nframes_t);
632 TempoMap& tempo_map() { return *_tempo_map; }
636 sigc::signal<void,Region *> RegionAdded;
637 sigc::signal<void,Region *> RegionRemoved;
639 int region_name (string& result, string base = string(""), bool newlevel = false) const;
640 string new_region_name (string);
641 string path_from_region_name (string name, string identifier);
643 Region* find_whole_file_parent (Region& child);
644 void find_equivalent_playlist_regions (Region&, std::vector<Region*>& result);
646 Region* XMLRegionFactory (const XMLNode&, bool full);
647 AudioRegion* XMLAudioRegionFactory (const XMLNode&, bool full);
648 MidiRegion* XMLMidiRegionFactory (const XMLNode&, bool full);
650 template<class T> void foreach_region (T *obj, void (T::*func)(Region *));
652 /* source management */
654 struct import_status : public InterThreadInfo {
660 volatile bool freeze;
664 std::vector<Region*> new_regions;
668 int import_audiofile (import_status&);
669 bool sample_rate_convert (import_status&, string infile, string& outfile);
670 string build_tmp_convert_name (string file);
672 Session::SlaveSource post_export_slave;
673 jack_nframes_t post_export_position;
675 int start_audio_export (ARDOUR::AudioExportSpecification&);
676 int stop_audio_export (ARDOUR::AudioExportSpecification&);
678 void add_source (Source *);
679 void remove_source (Source *);
680 int cleanup_audio_file_source (AudioFileSource&);
682 struct cleanup_report {
683 vector<string> paths;
687 int cleanup_sources (cleanup_report&);
688 int cleanup_trash_sources (cleanup_report&);
690 int destroy_region (Region*);
691 int destroy_regions (list<Region*>);
693 int remove_last_capture ();
695 /* handlers should return -1 for "stop cleanup", 0 for
696 "yes, delete this playlist" and 1 for "no, don't delete
700 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
703 /* handlers should return !0 for use pending state, 0 for
707 static sigc::signal<int> AskAboutPendingState;
709 sigc::signal<void,Source *> SourceAdded;
710 sigc::signal<void,Source *> SourceRemoved;
712 AudioFileSource *create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
714 MidiSource *create_midi_source_for_session (ARDOUR::MidiDiskstream&);
716 Source *source_by_id (const PBD::ID&);
718 /* playlist management */
720 Playlist* playlist_by_name (string name);
721 void add_playlist (Playlist *);
722 sigc::signal<void,Playlist*> PlaylistAdded;
723 sigc::signal<void,Playlist*> PlaylistRemoved;
725 uint32_t n_playlists() const;
727 template<class T> void foreach_playlist (T *obj, void (T::*func)(Playlist *));
729 /* named selections */
731 NamedSelection* named_selection_by_name (string name);
732 void add_named_selection (NamedSelection *);
733 void remove_named_selection (NamedSelection *);
735 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
736 sigc::signal<void> NamedSelectionAdded;
737 sigc::signal<void> NamedSelectionRemoved;
739 /* Curves and AutomationLists (TODO when they go away) */
740 void add_curve(Curve*);
741 void add_automation_list(AutomationList*);
745 float get_default_fade_length () const { return default_fade_msecs; }
746 float get_default_fade_steepness () const { return default_fade_steepness; }
747 void set_default_fade (float steepness, float msecs);
751 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
752 void audition_playlist ();
753 void audition_region (Region&);
754 void cancel_audition ();
755 bool is_auditioning () const;
757 sigc::signal<void,bool> AuditionActive;
759 /* flattening stuff */
761 int write_one_audio_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<Source*>&, InterThreadInfo& wot);
762 int freeze (InterThreadInfo&);
764 /* session-wide solo/mute/rec-enable */
771 bool soloing() const { return currently_soloing; }
773 SoloModel solo_model() const { return _solo_model; }
774 void set_solo_model (SoloModel);
776 bool solo_latched() const { return _solo_latched; }
777 void set_solo_latched (bool yn);
779 void set_all_solo (bool);
780 void set_all_mute (bool);
782 sigc::signal<void,bool> SoloActive;
784 void record_disenable_all ();
785 void record_enable_all ();
787 /* control/master out */
789 boost::shared_ptr<IO> control_out() const { return _control_out; }
790 boost::shared_ptr<IO> master_out() const { return _master_out; }
792 /* insert/send management */
794 uint32_t n_port_inserts() const { return _port_inserts.size(); }
795 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
796 uint32_t n_sends() const { return _sends.size(); }
798 string next_send_name();
799 string next_insert_name();
801 /* s/w "RAID" management */
803 jack_nframes_t available_capture_duration();
805 /* I/O Connections */
807 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
808 void add_connection (Connection *);
809 void remove_connection (Connection *);
810 Connection *connection_by_name (string) const;
812 sigc::signal<void,Connection *> ConnectionAdded;
813 sigc::signal<void,Connection *> ConnectionRemoved;
817 int set_mtc_port (string port_tag);
818 int set_mmc_port (string port_tag);
819 int set_midi_port (string port_tag);
820 MIDI::Port *mtc_port() const { return _mtc_port; }
821 MIDI::Port *mmc_port() const { return _mmc_port; }
822 MIDI::Port *midi_port() const { return _midi_port; }
824 sigc::signal<void> MTC_PortChanged;
825 sigc::signal<void> MMC_PortChanged;
826 sigc::signal<void> MIDI_PortChanged;
828 void set_trace_midi_input (bool, MIDI::Port* port = 0);
829 void set_trace_midi_output (bool, MIDI::Port* port = 0);
831 bool get_trace_midi_input(MIDI::Port *port = 0);
832 bool get_trace_midi_output(MIDI::Port *port = 0);
834 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
836 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
840 void start_scrub (jack_nframes_t where);
842 void set_scrub_speed (float);
843 jack_nframes_t scrub_buffer_size() const;
844 sigc::signal<void> ScrubReady;
846 /* History (for editors, mixers, UIs etc.) */
848 void undo (uint32_t n) {
851 void redo (uint32_t n) {
855 uint32_t undo_depth() const { return history.undo_depth(); }
856 uint32_t redo_depth() const { return history.redo_depth(); }
857 string next_undo() const { return history.next_undo(); }
858 string next_redo() const { return history.next_redo(); }
860 void begin_reversible_command (string cmd_name);
861 void commit_reversible_command (Command* cmd = 0);
863 void add_command (Command *const cmd) {
864 current_trans.add_command (cmd);
867 // these commands are implemented in libs/ardour/session_command.cc
868 Command *memento_command_factory(XMLNode *n);
869 void register_with_memento_command_factory(PBD::ID, Stateful *);
870 class GlobalSoloStateCommand : public Command
872 GlobalRouteBooleanState before, after;
876 GlobalSoloStateCommand(Session &, void *src);
879 XMLNode &get_state();
883 class GlobalMuteStateCommand : public Command
885 GlobalRouteBooleanState before, after;
889 GlobalMuteStateCommand(Session &, void *src);
892 XMLNode &get_state();
896 class GlobalRecordEnableStateCommand : public Command
898 GlobalRouteBooleanState before, after;
902 GlobalRecordEnableStateCommand(Session &, void *src);
905 XMLNode &get_state();
909 class GlobalMeteringStateCommand : public Command
911 GlobalRouteMeterState before, after;
915 GlobalMeteringStateCommand(Session &, void *src);
918 XMLNode &get_state();
924 void set_edit_mode (EditMode);
925 EditMode get_edit_mode () const { return _edit_mode; }
929 boost::shared_ptr<IO> click_io() { return _click_io; }
930 void set_clicking (bool yn);
931 bool get_clicking() const;
933 void set_click_sound (string path);
934 void set_click_emphasis_sound (string path);
938 struct TimeStretchRequest {
939 ARDOUR::AudioRegion* region;
940 float fraction; /* session: read ; GUI: write */
941 float progress; /* session: write ; GUI: read */
942 bool running; /* read/write */
943 bool quick_seek; /* GUI: write */
944 bool antialias; /* GUI: write */
946 TimeStretchRequest () : region (0) {}
949 AudioRegion* tempoize_region (TimeStretchRequest&);
951 string raid_path() const;
952 void set_raid_path(string);
954 /* need to call this whenever we change native file formats */
956 void reset_native_file_format();
958 /* disk, buffer loads */
960 uint32_t playback_load ();
961 uint32_t capture_load ();
962 uint32_t playback_load_min ();
963 uint32_t capture_load_min ();
965 void reset_playback_load_min ();
966 void reset_capture_load_min ();
968 float read_data_rate () const;
969 float write_data_rate () const;
973 void set_audio_range (list<AudioRange>&);
974 void set_music_range (list<MusicRange>&);
976 void request_play_range (bool yn);
977 bool get_play_range () const { return _play_range; }
980 typedef vector<string> FavoriteDirs;
982 static int read_favorite_dirs (FavoriteDirs&);
984 static int write_favorite_dirs (FavoriteDirs&);
988 static const char* template_suffix() { return _template_suffix; }
989 static const char* statefile_suffix() { return _statefile_suffix; }
990 static const char* pending_suffix() { return _pending_suffix; }
992 /* buffers for gain and pan */
994 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
995 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
997 /* buffers for conversion */
1006 static long vst_callback (AEffect* effect,
1013 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
1014 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
1015 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
1016 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
1018 static compute_peak_t compute_peak;
1019 static apply_gain_to_buffer_t apply_gain_to_buffer;
1020 static mix_buffers_with_gain_t mix_buffers_with_gain;
1021 static mix_buffers_no_gain_t mix_buffers_no_gain;
1023 static sigc::signal<void> SendFeedback;
1027 PBD::Controllable* controllable_by_id (const PBD::ID&);
1030 friend class AudioEngine;
1031 void set_block_size (jack_nframes_t nframes);
1032 void set_frame_rate (jack_nframes_t nframes);
1035 friend class Diskstream;
1036 void stop_butler ();
1037 void wait_till_butler_finished();
1041 void schedule_curve_reallocation ();
1042 void update_latency_compensation (bool, bool);
1045 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
1047 static const char* _template_suffix;
1048 static const char* _statefile_suffix;
1049 static const char* _pending_suffix;
1052 PendingDeclickIn = 0x1,
1053 PendingDeclickOut = 0x2,
1054 StopPendingCapture = 0x4,
1055 AutoReturning = 0x10,
1056 PendingLocate = 0x20,
1057 PendingSetLoop = 0x40
1060 /* stuff used in process() should be close together to
1064 typedef void (Session::*process_function_type)(jack_nframes_t);
1066 AudioEngine &_engine;
1067 mutable gint processing_prohibited;
1068 process_function_type process_function;
1069 process_function_type last_process_function;
1070 jack_nframes_t _current_frame_rate;
1071 int transport_sub_state;
1072 mutable gint _record_status;
1073 jack_nframes_t _transport_frame;
1074 Location* end_location;
1075 Location* start_location;
1077 SlaveSource _slave_type;
1078 volatile float _transport_speed;
1079 volatile float _desired_transport_speed;
1080 float _last_transport_speed;
1081 jack_nframes_t _last_slave_transport_frame;
1082 jack_nframes_t maximum_output_latency;
1083 jack_nframes_t last_stop_frame;
1084 BufferSet* _scratch_buffers;
1085 BufferSet* _silent_buffers;
1086 BufferSet* _send_buffers;
1087 jack_nframes_t current_block_size;
1088 jack_nframes_t _worst_output_latency;
1089 jack_nframes_t _worst_input_latency;
1090 jack_nframes_t _worst_track_latency;
1091 bool _have_captured;
1093 float _meter_falloff;
1094 bool _end_location_is_free;
1096 void set_worst_io_latencies ();
1097 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1098 set_worst_io_latencies ();
1101 void update_latency_compensation_proxy (void* ignored);
1103 void ensure_buffers (ChanCount howmany);
1105 void process_scrub (jack_nframes_t);
1106 void process_without_events (jack_nframes_t);
1107 void process_with_events (jack_nframes_t);
1108 void process_audition (jack_nframes_t);
1109 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1111 /* slave tracking */
1113 static const int delta_accumulator_size = 25;
1114 int delta_accumulator_cnt;
1115 long delta_accumulator[delta_accumulator_size];
1116 long average_slave_delta;
1118 bool have_first_delta_accumulator;
1126 SlaveState slave_state;
1127 jack_nframes_t slave_wait_end;
1129 void reset_slave_state ();
1130 bool follow_slave (jack_nframes_t, jack_nframes_t);
1133 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1135 void prepare_diskstreams ();
1136 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1137 int process_routes (jack_nframes_t, jack_nframes_t);
1138 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1140 bool get_rec_monitors_input () {
1141 if (actively_recording()) {
1152 int get_transport_declick_required () {
1154 if (transport_sub_state & PendingDeclickIn) {
1155 transport_sub_state &= ~PendingDeclickIn;
1157 } else if (transport_sub_state & PendingDeclickOut) {
1164 bool maybe_stop (jack_nframes_t limit) {
1165 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1172 void check_declick_out ();
1174 MIDI::MachineControl* mmc;
1175 MIDI::Port* _mmc_port;
1176 MIDI::Port* _mtc_port;
1177 MIDI::Port* _midi_port;
1180 bool do_not_record_plugins;
1190 jack_nframes_t last_loopend;
1192 bool crossfades_active;
1201 RingBuffer<Event*> pending_events;
1204 void when_engine_running ();
1205 sigc::connection first_time_running;
1206 void graph_reordered ();
1208 string _current_snapshot_name;
1210 XMLTree* state_tree;
1211 bool state_was_pending;
1212 StateOfTheState _state_of_the_state;
1215 int load_options (const XMLNode&);
1216 XMLNode& get_options () const;
1217 int load_state (string snapshot_name);
1219 jack_nframes_t _last_roll_location;
1220 jack_nframes_t _last_record_location;
1221 bool pending_locate_roll;
1222 jack_nframes_t pending_locate_frame;
1224 bool pending_locate_flush;
1226 bool pending_auto_loop;
1228 Sample* butler_mixdown_buffer;
1229 float* butler_gain_buffer;
1230 pthread_t butler_thread;
1231 Glib::Mutex butler_request_lock;
1232 Glib::Cond butler_paused;
1233 bool butler_should_run;
1234 mutable gint butler_should_do_transport_work;
1235 int butler_request_pipe[2];
1237 struct ButlerRequest {
1246 enum PostTransportWork {
1247 PostTransportStop = 0x1,
1248 PostTransportDisableRecord = 0x2,
1249 PostTransportPosition = 0x8,
1250 PostTransportDidRecord = 0x20,
1251 PostTransportDuration = 0x40,
1252 PostTransportLocate = 0x80,
1253 PostTransportRoll = 0x200,
1254 PostTransportAbort = 0x800,
1255 PostTransportOverWrite = 0x1000,
1256 PostTransportSpeed = 0x2000,
1257 PostTransportAudition = 0x4000,
1258 PostTransportScrub = 0x8000,
1259 PostTransportReverse = 0x10000,
1260 PostTransportInputChange = 0x20000,
1261 PostTransportCurveRealloc = 0x40000
1264 static const PostTransportWork ProcessCannotProceedMask =
1265 PostTransportWork (PostTransportInputChange|
1267 PostTransportReverse|
1268 PostTransportCurveRealloc|
1270 PostTransportAudition|
1271 PostTransportLocate|
1274 PostTransportWork post_transport_work;
1276 void summon_butler ();
1277 void schedule_butler_transport_work ();
1278 int start_butler_thread ();
1279 void terminate_butler_thread ();
1280 static void *_butler_thread_work (void *arg);
1281 void* butler_thread_work ();
1283 uint32_t cumulative_rf_motion;
1286 void set_rf_speed (float speed);
1287 void reset_rf_scale (jack_nframes_t frames_moved);
1289 Locations _locations;
1290 void locations_changed ();
1291 void locations_added (Location*);
1292 void handle_locations_changed (Locations::LocationList&);
1294 sigc::connection auto_punch_start_changed_connection;
1295 sigc::connection auto_punch_end_changed_connection;
1296 sigc::connection auto_punch_changed_connection;
1297 void auto_punch_start_changed (Location *);
1298 void auto_punch_end_changed (Location *);
1299 void auto_punch_changed (Location *);
1301 sigc::connection auto_loop_start_changed_connection;
1302 sigc::connection auto_loop_end_changed_connection;
1303 sigc::connection auto_loop_changed_connection;
1304 void auto_loop_changed (Location *);
1306 typedef list<Event *> Events;
1308 Events immediate_events;
1309 Events::iterator next_event;
1311 /* there can only ever be one of each of these */
1313 Event *auto_loop_event;
1314 Event *punch_out_event;
1315 Event *punch_in_event;
1319 void dump_events () const;
1320 void queue_event (Event *ev);
1321 void merge_event (Event*);
1322 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1323 bool _replace_event (Event*);
1324 bool _remove_event (Event *);
1325 void _clear_event_type (Event::Type);
1327 void first_stage_init (string path, string snapshot_name);
1328 int second_stage_init (bool new_tracks);
1329 void find_current_end ();
1330 void remove_empty_sounds ();
1332 void setup_midi_control ();
1333 //int midi_read (MIDI::Port *);
1335 void enable_record ();
1337 void increment_transport_position (uint32_t val) {
1338 if (max_frames - val < _transport_frame) {
1339 _transport_frame = max_frames;
1341 _transport_frame += val;
1345 void decrement_transport_position (uint32_t val) {
1346 if (val < _transport_frame) {
1347 _transport_frame -= val;
1349 _transport_frame = 0;
1353 void post_transport_motion ();
1354 static void *session_loader_thread (void *arg);
1358 void set_next_event ();
1359 void process_event (Event *ev);
1361 /* MIDI Machine Control */
1363 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1364 //void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1365 //void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1367 void spp_start (MIDI::Parser&);
1368 void spp_continue (MIDI::Parser&);
1369 void spp_stop (MIDI::Parser&);
1371 void mmc_deferred_play (MIDI::MachineControl &);
1372 void mmc_stop (MIDI::MachineControl &);
1373 void mmc_step (MIDI::MachineControl &, int);
1374 void mmc_pause (MIDI::MachineControl &);
1375 void mmc_record_pause (MIDI::MachineControl &);
1376 void mmc_record_strobe (MIDI::MachineControl &);
1377 void mmc_record_exit (MIDI::MachineControl &);
1378 void mmc_track_record_status (MIDI::MachineControl &,
1379 uint32_t track, bool enabled);
1380 void mmc_fast_forward (MIDI::MachineControl &);
1381 void mmc_rewind (MIDI::MachineControl &);
1382 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1383 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1384 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1386 struct timeval last_mmc_step;
1389 typedef sigc::slot<bool> MidiTimeoutCallback;
1390 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1392 MidiTimeoutList midi_timeouts;
1393 bool mmc_step_timeout ();
1395 MIDI::byte mmc_buffer[32];
1396 MIDI::byte mtc_msg[16];
1397 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1398 MIDI::byte midi_msg[16];
1399 jack_nframes_t outbound_mtc_smpte_frame;
1400 SMPTE::Time transmitting_smpte_time;
1401 int next_quarter_frame_to_send;
1403 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1404 jack_nframes_t _frames_per_hour;
1405 jack_nframes_t _smpte_frames_per_hour;
1406 jack_nframes_t _smpte_offset;
1407 bool _smpte_offset_negative;
1409 /* cache the most-recently requested time conversions. This helps when we
1410 * have multiple clocks showing the same time (e.g. the transport frame) */
1411 bool last_smpte_valid;
1412 jack_nframes_t last_smpte_when;
1413 SMPTE::Time last_smpte;
1415 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1417 int send_full_time_code(jack_nframes_t nframes);
1418 int send_midi_time_code_for_cycle(jack_nframes_t nframes);
1420 //void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1422 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1424 void reset_record_status ();
1426 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1428 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1429 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1431 struct MIDIRequest {
1444 MIDI::MachineControl::Command mmc_cmd;
1445 jack_nframes_t locate_frame;
1447 // for SendMessage type
1450 MIDI::channel_t chan;
1452 MIDI::EventTwoBytes data;
1463 void *operator new(size_t ignored) {
1464 return pool.alloc ();
1467 void operator delete(void *ptr, size_t size) {
1472 static MultiAllocSingleReleasePool pool;
1475 mutable gint butler_active;
1477 //PBD::Lock midi_lock;
1478 //pthread_t midi_thread;
1479 //int midi_request_pipe[2];
1481 //RingBuffer<MIDIRequest*> midi_requests;
1482 /*int start_midi_thread ();
1483 void terminate_midi_thread ();
1484 void poke_midi_thread ();
1485 static void *_midi_thread_work (void *arg);
1486 void midi_thread_work ();*/
1487 void change_midi_ports ();
1488 int use_config_midi_ports ();
1490 bool waiting_to_start;
1492 void set_auto_loop (bool yn);
1493 void overwrite_some_buffers (Diskstream*);
1494 void flush_all_redirects ();
1495 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1496 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1497 void force_locate (jack_nframes_t frame, bool with_roll = false);
1498 void set_diskstream_speed (Diskstream*, float speed);
1499 void set_transport_speed (float speed, bool abort = false);
1500 void stop_transport (bool abort = false);
1501 void start_transport ();
1502 void actually_start_transport ();
1503 void realtime_stop (bool abort);
1504 void non_realtime_start_scrub ();
1505 void non_realtime_set_speed ();
1506 void non_realtime_stop (bool abort);
1507 void non_realtime_overwrite ();
1508 void non_realtime_buffer_fill ();
1509 void butler_transport_work ();
1510 void post_transport ();
1511 void engine_halted ();
1512 void xrun_recovery ();
1514 TempoMap *_tempo_map;
1515 void tempo_map_changed (Change);
1517 /* edit/mix groups */
1519 int load_route_groups (const XMLNode&, bool is_edit);
1520 int load_edit_groups (const XMLNode&);
1521 int load_mix_groups (const XMLNode&);
1524 list<RouteGroup *> edit_groups;
1525 list<RouteGroup *> mix_groups;
1529 SerializedRCUManager<DiskstreamList> diskstreams;
1531 uint32_t dstream_buffer_size;
1532 int load_diskstreams (const XMLNode&);
1536 SerializedRCUManager<RouteList> routes;
1538 void add_routes (RouteList&, bool save = true);
1539 uint32_t destructive_index;
1541 int load_routes (const XMLNode&);
1542 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1547 SoloModel _solo_model;
1548 bool solo_update_disabled;
1549 bool currently_soloing;
1551 void route_mute_changed (void *src);
1552 void route_solo_changed (void *src, boost::shared_ptr<Route>);
1553 void catch_up_on_solo ();
1554 void update_route_solo_state ();
1555 void modify_solo_mute (bool, bool);
1556 void strip_portname_for_solo (string& portname);
1558 /* REGION MANAGEMENT */
1560 mutable Glib::Mutex region_lock;
1561 typedef map<PBD::ID,Region *> RegionList;
1564 void region_renamed (Region *);
1565 void region_changed (Change, Region *);
1566 void add_region (Region *);
1567 void remove_region (Region *);
1569 int load_regions (const XMLNode& node);
1573 mutable Glib::Mutex source_lock;
1574 typedef std::map<PBD::ID,Source *> SourceList;
1578 int load_sources (const XMLNode& node);
1579 XMLNode& get_sources_as_xml ();
1581 Source *XMLSourceFactory (const XMLNode&);
1585 mutable Glib::Mutex playlist_lock;
1586 typedef set<Playlist *> PlaylistList;
1587 PlaylistList playlists;
1588 PlaylistList unused_playlists;
1590 int load_playlists (const XMLNode&);
1591 int load_unused_playlists (const XMLNode&);
1592 void remove_playlist (Playlist *);
1593 void track_playlist (Playlist *, bool);
1595 Playlist *playlist_factory (string name);
1596 Playlist *XMLPlaylistFactory (const XMLNode&);
1598 void playlist_length_changed (Playlist *);
1599 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1601 /* NAMED SELECTIONS */
1603 mutable Glib::Mutex named_selection_lock;
1604 typedef set<NamedSelection *> NamedSelectionList;
1605 NamedSelectionList named_selections;
1607 int load_named_selections (const XMLNode&);
1609 NamedSelection *named_selection_factory (string name);
1610 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1612 /* CURVES and AUTOMATION LISTS */
1613 std::map<PBD::ID, Curve*> curves;
1614 std::map<PBD::ID, AutomationList*> automation_lists;
1616 /* DEFAULT FADE CURVES */
1618 float default_fade_steepness;
1619 float default_fade_msecs;
1623 boost::shared_ptr<Auditioner> auditioner;
1624 void set_audition (AudioRegion*);
1625 void non_realtime_set_audition ();
1626 AudioRegion *pending_audition_region;
1632 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1634 /* INSERT AND SEND MANAGEMENT */
1636 list<PortInsert *> _port_inserts;
1637 list<PluginInsert *> _plugin_inserts;
1638 list<Send *> _sends;
1640 uint32_t insert_cnt;
1642 void add_redirect (Redirect *);
1643 void remove_redirect (Redirect *);
1647 struct space_and_path {
1648 uint32_t blocks; /* 4kB blocks */
1656 struct space_and_path_ascending_cmp {
1657 bool operator() (space_and_path a, space_and_path b) {
1658 return a.blocks > b.blocks;
1662 void setup_raid_path (string path);
1664 vector<space_and_path> session_dirs;
1665 vector<space_and_path>::iterator last_rr_session_dir;
1666 uint32_t _total_free_4k_blocks;
1667 Glib::Mutex space_lock;
1669 static const char* sound_dir_name;
1670 static const char* tape_dir_name;
1671 static const char* dead_sound_dir_name;
1672 static const char* peak_dir_name;
1674 string discover_best_sound_dir (bool destructive = false);
1675 int ensure_sound_dir (string, string&);
1676 void refresh_disk_space ();
1678 mutable gint _playback_load;
1679 mutable gint _capture_load;
1680 mutable gint _playback_load_min;
1681 mutable gint _capture_load_min;
1683 /* I/O Connections */
1685 typedef list<Connection *> ConnectionList;
1686 mutable Glib::Mutex connection_lock;
1687 ConnectionList _connections;
1688 int load_connections (const XMLNode&);
1690 int set_slave_source (SlaveSource, jack_nframes_t);
1692 void reverse_diskstream_buffers ();
1694 UndoHistory history;
1695 UndoTransaction current_trans;
1697 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1698 GlobalRouteMeterState get_global_route_metering ();
1700 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1701 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1703 void set_global_mute (GlobalRouteBooleanState s, void *src);
1704 void set_global_solo (GlobalRouteBooleanState s, void *src);
1705 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1707 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1708 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1709 void record_enable_change_all (bool yn);
1711 XMLNode& state(bool);
1716 jack_nframes_t start;
1717 jack_nframes_t duration;
1718 jack_nframes_t offset;
1721 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1722 : start (s), duration (d), data (b) { offset = 0; }
1724 void *operator new(size_t ignored) {
1725 return pool.alloc ();
1728 void operator delete(void *ptr, size_t size) {
1736 typedef list<Click*> Clicks;
1740 boost::shared_ptr<IO> _click_io;
1742 Sample* click_emphasis_data;
1743 jack_nframes_t click_length;
1744 jack_nframes_t click_emphasis_length;
1745 mutable Glib::RWLock click_lock;
1747 static const Sample default_click[];
1748 static const jack_nframes_t default_click_length;
1749 static const Sample default_click_emphasis[];
1750 static const jack_nframes_t default_click_emphasis_length;
1753 void setup_click_sounds (int which);
1754 void clear_clicks ();
1755 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1757 vector<Route*> master_outs;
1759 EditMode _edit_mode;
1760 EditMode pending_edit_mode;
1762 /* range playback */
1764 list<AudioRange> current_audio_range;
1766 void set_play_range (bool yn);
1767 void setup_auto_play ();
1772 boost::shared_ptr<IO> _master_out;
1773 boost::shared_ptr<IO> _control_out;
1775 AutoConnectOption input_auto_connect;
1776 AutoConnectOption output_auto_connect;
1778 gain_t* _gain_automation_buffer;
1779 pan_t** _pan_automation_buffer;
1780 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1781 uint32_t _npan_buffers;
1785 long _vst_callback (VSTPlugin*,
1792 /* number of hardware audio ports we're using,
1793 based on max (requested,available)
1796 uint32_t n_physical_outputs;
1797 uint32_t n_physical_inputs;
1799 void remove_pending_capture_state ();
1801 int find_all_sources (std::string path, std::set<std::string>& result);
1802 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1804 LayerModel layer_model;
1805 CrossfadeModel xfade_model;
1807 typedef std::list<PBD::Controllable*> Controllables;
1808 Glib::Mutex controllables_lock;
1809 Controllables controllables;
1811 void add_controllable (PBD::Controllable*);
1812 void remove_controllable (PBD::Controllable*);
1815 } // namespace ARDOUR
1817 #endif /* __ardour_session_h__ */