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 <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>
50 #include <ardour/smpte.h>
65 class AudioDiskstream;
70 class AudioFileSource;
85 class ControlProtocolManager;
87 struct AudioExportSpecification;
96 class Session : public sigc::trackable, public Stateful
100 typedef std::pair<Route*,bool> RouteBooleanState;
101 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
102 typedef std::pair<Route*,MeterPoint> RouteMeterState;
103 typedef vector<RouteMeterState> GlobalRouteMeterState;
118 enum AutoConnectOption {
119 AutoConnectPhysical = 0x1,
120 AutoConnectMaster = 0x2
137 InputConfigurationChange,
141 /* only one of each of these events
142 can be queued at any one time
158 jack_nframes_t action_frame;
159 jack_nframes_t target_frame;
165 Session::SlaveSource slave;
168 list<AudioRange> audio_range;
169 list<MusicRange> music_range;
171 Event(Type t, Action a, jack_nframes_t when, jack_nframes_t where, float spd, bool yn = false)
175 target_frame (where),
179 void set_ptr (void* p) {
183 bool before (const Event& other) const {
184 return action_frame < other.action_frame;
187 bool after (const Event& other) const {
188 return action_frame > other.action_frame;
191 static bool compare (const Event *e1, const Event *e2) {
192 return e1->before (*e2);
195 void *operator new (size_t ignored) {
196 return pool.alloc ();
199 void operator delete(void *ptr, size_t size) {
203 static const jack_nframes_t Immediate = 0;
206 static MultiAllocSingleReleasePool pool;
209 /* creating from an XML file */
211 Session (AudioEngine&,
213 string snapshot_name,
214 string* mix_template = 0);
216 /* creating a new Session */
218 Session (AudioEngine&,
220 string snapshot_name,
221 AutoConnectOption input_auto_connect,
222 AutoConnectOption output_auto_connect,
223 uint32_t control_out_channels,
224 uint32_t master_out_channels,
225 uint32_t n_physical_in,
226 uint32_t n_physical_out,
227 jack_nframes_t initial_length);
232 static int find_session (string str, string& path, string& snapshot, bool& isnew);
234 string path() const { return _path; }
235 string name() const { return _name; }
236 string snap_name() const { return _current_snapshot_name; }
238 void set_snap_name ();
242 bool dirty() const { return _state_of_the_state & Dirty; }
243 sigc::signal<void> DirtyChanged;
245 std::string sound_dir () const;
246 std::string tape_dir () const;
247 std::string peak_dir () const;
248 std::string dead_sound_dir () const;
249 std::string automation_dir () const;
251 static string suffixed_search_path (std::string suffix, bool data);
252 static string control_protocol_path ();
253 static string template_path ();
254 static string template_dir ();
255 static void get_template_list (list<string>&);
257 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
258 static string peak_path_from_audio_path (string);
259 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
261 void process (jack_nframes_t nframes);
263 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
264 vector<Sample*>& get_silent_buffers (uint32_t howmany);
265 vector<Sample*>& get_send_buffers () { return _send_buffers; }
267 AudioDiskstream *diskstream_by_id (id_t id);
268 AudioDiskstream *diskstream_by_name (string name);
270 bool have_captured() const { return _have_captured; }
272 void refill_all_diskstream_buffers ();
273 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
275 /* XXX fix required here when we get new diskstream types *, but
276 not sure of the direction to take this in until then.
279 uint32_t get_next_diskstream_id() const { return n_audio_diskstreams(); }
280 uint32_t n_audio_diskstreams() const;
282 typedef list<AudioDiskstream *> AudioDiskstreamList;
284 Session::AudioDiskstreamList audio_disk_streams() const {
285 Glib::RWLock::ReaderLock lm (diskstream_lock);
286 return audio_diskstreams; /* XXX yes, force a copy */
289 void foreach_audio_diskstream (void (AudioDiskstream::*func)(void));
290 template<class T> void foreach_audio_diskstream (T *obj, void (T::*func)(AudioDiskstream&));
292 typedef list<Route *> RouteList;
294 RouteList get_routes() const {
295 Glib::RWLock::ReaderLock rlock (route_lock);
296 return routes; /* XXX yes, force a copy */
299 uint32_t nroutes() const { return routes.size(); }
300 uint32_t ntracks () const;
301 uint32_t nbusses () const;
303 struct RoutePublicOrderSorter {
304 bool operator() (Route *, Route *b);
307 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
308 template<class T> void foreach_route (T *obj, void (T::*func)(Route*));
309 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
311 Route *route_by_name (string);
312 Route *route_by_remote_id (uint32_t id);
314 bool route_name_unique (string) const;
316 bool get_record_enabled() const {
317 return (record_status () >= Enabled);
320 RecordState record_status() const {
321 return (RecordState) g_atomic_int_get (&_record_status);
324 bool actively_recording () {
325 return record_status() == Recording;
328 bool record_enabling_legal () const;
329 void maybe_enable_record ();
330 void disable_record (bool rt_context, bool force = false);
331 void step_back_from_record ();
333 sigc::signal<void> going_away;
335 /* Proxy signal for region hidden changes */
337 sigc::signal<void,Region*> RegionHiddenChange;
339 /* Emitted when all i/o connections are complete */
341 sigc::signal<void> IOConnectionsComplete;
343 /* Record status signals */
345 sigc::signal<void> RecordStateChanged;
347 /* Transport mechanism signals */
349 sigc::signal<void> TransportStateChange; /* generic */
350 sigc::signal<void,jack_nframes_t> PositionChanged; /* sent after any non-sequential motion */
351 sigc::signal<void> DurationChanged;
352 sigc::signal<void> HaltOnXrun;
354 sigc::signal<void,Route*> RouteAdded;
355 sigc::signal<void,AudioDiskstream*> AudioDiskstreamAdded;
357 void request_roll ();
358 void request_bounded_roll (jack_nframes_t start, jack_nframes_t end);
359 void request_stop (bool abort = false);
360 void request_locate (jack_nframes_t frame, bool with_roll = false);
361 void request_auto_loop (bool yn);
362 jack_nframes_t last_transport_start() const { return _last_roll_location; }
363 void goto_end () { request_locate (end_location->start(), false);}
364 void goto_start () { request_locate (start_location->start(), false); }
365 void use_rf_shuttle_speed ();
366 void request_transport_speed (float speed);
367 void request_overwrite_buffer (AudioDiskstream*);
368 void request_diskstream_speed (AudioDiskstream&, float speed);
369 void request_input_change_handling ();
371 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
372 bool transport_locked () const;
375 int wipe_diskstream (AudioDiskstream *);
377 int remove_region_from_region_list (Region&);
379 jack_nframes_t get_maximum_extent () const;
380 jack_nframes_t current_end_frame() const { return end_location->start(); }
381 jack_nframes_t current_start_frame() const { return start_location->start(); }
382 jack_nframes_t frame_rate() const { return _current_frame_rate; }
383 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
384 jack_nframes_t frames_per_hour() const { return _frames_per_hour; }
385 jack_nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
389 Locations *locations() { return &_locations; }
391 sigc::signal<void,Location*> auto_loop_location_changed;
392 sigc::signal<void,Location*> auto_punch_location_changed;
393 sigc::signal<void> locations_modified;
395 void set_auto_punch_location (Location *);
396 void set_auto_loop_location (Location *);
426 sigc::signal<void,ControlType> ControlChanged;
428 void set_auto_play (bool yn);
429 void set_auto_return (bool yn);
430 void set_auto_input (bool yn);
431 void reset_input_monitor_state ();
432 void set_input_auto_connect (bool yn);
433 void set_output_auto_connect (AutoConnectOption);
434 void set_punch_in (bool yn);
435 void set_punch_out (bool yn);
436 void set_send_mtc (bool yn);
437 void set_send_mmc (bool yn);
438 void set_mmc_control (bool yn);
439 void set_midi_feedback (bool yn);
440 void set_midi_control (bool yn);
441 void set_do_not_record_plugins (bool yn);
442 void set_crossfades_active (bool yn);
443 void set_seamless_loop (bool yn);
445 bool get_auto_play () const { return auto_play; }
446 bool get_auto_input () const { return auto_input; }
447 bool get_auto_loop () const { return auto_loop; }
448 bool get_seamless_loop () const { return seamless_loop; }
449 bool get_punch_in () const { return punch_in; }
450 bool get_punch_out () const { return punch_out; }
451 bool get_all_safe () const { return all_safe; }
452 bool get_auto_return () const { return auto_return; }
453 bool get_send_mtc () const;
454 bool get_send_mmc () const;
455 bool get_mmc_control () const;
456 bool get_midi_feedback () const;
457 bool get_midi_control () const;
458 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
459 bool get_crossfades_active () const { return crossfades_active; }
461 bool get_input_auto_connect () const;
462 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
470 void set_layer_model (LayerModel);
471 LayerModel get_layer_model () const { return layer_model; }
473 void set_xfade_model (CrossfadeModel);
474 CrossfadeModel get_xfade_model () const { return xfade_model; }
476 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
477 void remove_event (jack_nframes_t frame, Event::Type type);
478 void clear_events (Event::Type type);
480 jack_nframes_t get_block_size() const { return current_block_size; }
481 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
482 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
483 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
485 int save_state (string snapshot_name, bool pending = false);
486 int restore_state (string snapshot_name);
487 int save_template (string template_name);
489 static int rename_template (string old_name, string new_name);
491 static int delete_template (string name);
493 sigc::signal<void,string> StateSaved;
494 sigc::signal<void> StateReady;
496 vector<string*>* possible_states() const;
497 static vector<string*>* possible_states(string path);
499 XMLNode& get_state();
500 int set_state(const XMLNode& node);
501 XMLNode& get_template();
503 void add_instant_xml (XMLNode&, const std::string& dir);
505 void swap_configuration(Configuration** new_config);
506 void copy_configuration(Configuration* new_config);
508 enum StateOfTheState {
513 InitialConnecting = 0x8,
518 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
520 RouteGroup* add_edit_group (string);
521 RouteGroup* add_mix_group (string);
523 void remove_edit_group (RouteGroup&);
524 void remove_mix_group (RouteGroup&);
526 RouteGroup *mix_group_by_name (string);
527 RouteGroup *edit_group_by_name (string);
529 sigc::signal<void,RouteGroup*> edit_group_added;
530 sigc::signal<void,RouteGroup*> mix_group_added;
531 sigc::signal<void> edit_group_removed;
532 sigc::signal<void> mix_group_removed;
534 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
535 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
540 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
541 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
546 /* fundamental operations. duh. */
549 AudioTrack *new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal);
551 Route *new_audio_route (int input_channels, int output_channels);
553 void remove_route (Route&);
554 void resort_routes (void *src);
556 AudioEngine &engine() { return _engine; };
558 /* configuration. there should really be accessors/mutators
562 float meter_hold () { return _meter_hold; }
563 void set_meter_hold (float);
564 sigc::signal<void> MeterHoldChanged;
566 float meter_falloff () { return _meter_falloff; }
567 void set_meter_falloff (float);
568 sigc::signal<void> MeterFalloffChanged;
572 string click_emphasis_sound;
574 bool click_requested;
575 jack_nframes_t over_length_short;
576 jack_nframes_t over_length_long;
577 bool send_midi_timecode;
578 bool send_midi_machine_control;
579 float shuttle_speed_factor;
580 float shuttle_speed_threshold;
582 float smpte_frames_per_second;
583 bool smpte_drop_frames;
589 jack_nframes_t transport_frame () const {return _transport_frame; }
590 jack_nframes_t audible_frame () const;
592 int set_smpte_type (float fps, bool drop_frames);
594 void bbt_time (jack_nframes_t when, BBT_Time&);
595 void smpte_to_sample( SMPTE::Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
596 void sample_to_smpte( jack_nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
597 void smpte_time (SMPTE::Time &);
598 void smpte_time (jack_nframes_t when, SMPTE::Time&);
599 void smpte_time_subframes (jack_nframes_t when, SMPTE::Time&);
601 void smpte_duration (jack_nframes_t, SMPTE::Time&) const;
602 void smpte_duration_string (char *, jack_nframes_t) const;
604 void set_smpte_offset (jack_nframes_t);
605 jack_nframes_t smpte_offset () const { return _smpte_offset; }
606 void set_smpte_offset_negative (bool);
607 bool smpte_offset_negative () const { return _smpte_offset_negative; }
609 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
611 static sigc::signal<void> SMPTEOffsetChanged;
612 sigc::signal<void> SMPTETypeChanged;
614 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
615 SlaveSource slave_source() const { return _slave_type; }
616 bool synced_to_jack() const { return _slave_type == JACK; }
617 float transport_speed() const { return _transport_speed; }
618 bool transport_stopped() const { return _transport_speed == 0.0f; }
619 bool transport_rolling() const { return _transport_speed != 0.0f; }
621 int jack_slave_sync (jack_nframes_t);
623 TempoMap& tempo_map() { return *_tempo_map; }
627 sigc::signal<void,AudioRegion *> AudioRegionAdded;
628 sigc::signal<void,AudioRegion *> AudioRegionRemoved;
630 int region_name (string& result, string base = string(""), bool newlevel = false) const;
631 string new_region_name (string);
632 string path_from_region_name (string name, string identifier);
634 AudioRegion* find_whole_file_parent (AudioRegion&);
635 void find_equivalent_playlist_regions (AudioRegion&, std::vector<AudioRegion*>& result);
637 AudioRegion *XMLRegionFactory (const XMLNode&, bool full);
639 template<class T> void foreach_audio_region (T *obj, void (T::*func)(AudioRegion *));
641 /* source management */
643 struct import_status : public InterThreadInfo {
649 volatile bool freeze;
653 std::vector<AudioRegion*> new_regions;
657 int import_audiofile (import_status&);
658 bool sample_rate_convert (import_status&, string infile, string& outfile);
659 string build_tmp_convert_name (string file);
661 Session::SlaveSource post_export_slave;
662 jack_nframes_t post_export_position;
664 int start_audio_export (ARDOUR::AudioExportSpecification&);
665 int stop_audio_export (ARDOUR::AudioExportSpecification&);
667 void add_audio_source (AudioSource *);
668 void remove_source (Source *);
669 int cleanup_audio_file_source (AudioFileSource&);
671 struct cleanup_report {
672 vector<string> paths;
676 int cleanup_sources (cleanup_report&);
677 int cleanup_trash_sources (cleanup_report&);
679 int destroy_region (Region*);
680 int destroy_regions (list<Region*>);
682 int remove_last_capture ();
684 /* handlers should return -1 for "stop cleanup", 0 for
685 "yes, delete this playlist" and 1 for "no, don't delete
689 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
692 /* handlers should return !0 for use pending state, 0 for
696 static sigc::signal<int> AskAboutPendingState;
698 sigc::signal<void,Source *> SourceAdded;
699 sigc::signal<void,Source *> SourceRemoved;
701 AudioFileSource *create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
703 Source *get_source (ARDOUR::id_t);
705 /* playlist management */
707 Playlist* playlist_by_name (string name);
708 void add_playlist (Playlist *);
709 sigc::signal<void,Playlist*> PlaylistAdded;
710 sigc::signal<void,Playlist*> PlaylistRemoved;
712 Playlist *get_playlist (string name);
714 uint32_t n_playlists() const;
716 template<class T> void foreach_playlist (T *obj, void (T::*func)(Playlist *));
718 /* named selections */
720 NamedSelection* named_selection_by_name (string name);
721 void add_named_selection (NamedSelection *);
722 void remove_named_selection (NamedSelection *);
724 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
725 sigc::signal<void> NamedSelectionAdded;
726 sigc::signal<void> NamedSelectionRemoved;
730 float get_default_fade_length () const { return default_fade_msecs; }
731 float get_default_fade_steepness () const { return default_fade_steepness; }
732 void set_default_fade (float steepness, float msecs);
736 Auditioner& the_auditioner() { return *auditioner; }
737 void audition_playlist ();
738 void audition_region (AudioRegion&);
739 void cancel_audition ();
740 bool is_auditioning () const;
742 sigc::signal<void,bool> AuditionActive;
744 /* flattening stuff */
746 int write_one_audio_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<AudioSource*>&,
747 InterThreadInfo& wot);
748 int freeze (InterThreadInfo&);
750 /* session-wide solo/mute/rec-enable */
757 bool soloing() const { return currently_soloing; }
759 SoloModel solo_model() const { return _solo_model; }
760 void set_solo_model (SoloModel);
762 bool solo_latched() const { return _solo_latched; }
763 void set_solo_latched (bool yn);
765 void set_all_solo (bool);
766 void set_all_mute (bool);
768 sigc::signal<void,bool> SoloActive;
770 void record_disenable_all ();
771 void record_enable_all ();
773 /* control/master out */
775 IO* control_out() const { return _control_out; }
776 IO* master_out() const { return _master_out; }
778 /* insert/send management */
780 uint32_t n_port_inserts() const { return _port_inserts.size(); }
781 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
782 uint32_t n_sends() const { return _sends.size(); }
784 string next_send_name();
785 string next_insert_name();
787 /* s/w "RAID" management */
789 jack_nframes_t available_capture_duration();
791 /* I/O Connections */
793 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
794 void add_connection (Connection *);
795 void remove_connection (Connection *);
796 Connection *connection_by_name (string) const;
798 sigc::signal<void,Connection *> ConnectionAdded;
799 sigc::signal<void,Connection *> ConnectionRemoved;
803 int set_mtc_port (string port_tag);
804 int set_mmc_port (string port_tag);
805 int set_midi_port (string port_tag);
806 MIDI::Port *mtc_port() const { return _mtc_port; }
807 MIDI::Port *mmc_port() const { return _mmc_port; }
808 MIDI::Port *midi_port() const { return _midi_port; }
810 sigc::signal<void> MTC_PortChanged;
811 sigc::signal<void> MMC_PortChanged;
812 sigc::signal<void> MIDI_PortChanged;
814 void set_trace_midi_input (bool, MIDI::Port* port = 0);
815 void set_trace_midi_output (bool, MIDI::Port* port = 0);
817 bool get_trace_midi_input(MIDI::Port *port = 0);
818 bool get_trace_midi_output(MIDI::Port *port = 0);
820 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
822 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
826 void start_scrub (jack_nframes_t where);
828 void set_scrub_speed (float);
829 jack_nframes_t scrub_buffer_size() const;
830 sigc::signal<void> ScrubReady;
832 /* History (for editors, mixers, UIs etc.) */
834 void undo (uint32_t n) {
837 void redo (uint32_t n) {
841 uint32_t undo_depth() const { return history.undo_depth(); }
842 uint32_t redo_depth() const { return history.redo_depth(); }
843 string next_undo() const { return history.next_undo(); }
844 string next_redo() const { return history.next_redo(); }
846 void begin_reversible_command (string cmd_name, UndoAction *private_undo = 0);
847 void commit_reversible_command (UndoAction* private_redo = 0);
849 void add_undo (const UndoAction& ua) {
850 current_cmd.add_undo (ua);
852 void add_redo (const UndoAction& ua) {
853 current_cmd.add_redo (ua);
855 void add_redo_no_execute (const UndoAction& ua) {
856 current_cmd.add_redo_no_execute (ua);
859 UndoAction global_solo_memento (void *src);
860 UndoAction global_mute_memento (void *src);
861 UndoAction global_record_enable_memento (void *src);
862 UndoAction global_metering_memento (void *src);
866 void set_edit_mode (EditMode);
867 EditMode get_edit_mode () const { return _edit_mode; }
871 IO& click_io() { return *_click_io; }
872 void set_clicking (bool yn);
873 bool get_clicking() const;
875 void set_click_sound (string path);
876 void set_click_emphasis_sound (string path);
880 struct TimeStretchRequest {
881 ARDOUR::AudioRegion* region;
882 float fraction; /* session: read ; GUI: write */
883 float progress; /* session: write ; GUI: read */
884 bool running; /* read/write */
885 bool quick_seek; /* GUI: write */
886 bool antialias; /* GUI: write */
888 TimeStretchRequest () : region (0) {}
891 AudioRegion* tempoize_region (TimeStretchRequest&);
893 string raid_path() const;
894 void set_raid_path(string);
896 /* need to call this whenever we change native file formats */
898 void reset_native_file_format();
900 /* disk, buffer loads */
902 uint32_t playback_load ();
903 uint32_t capture_load ();
904 uint32_t playback_load_min ();
905 uint32_t capture_load_min ();
907 void reset_playback_load_min ();
908 void reset_capture_load_min ();
910 float read_data_rate () const;
911 float write_data_rate () const;
915 void set_audio_range (list<AudioRange>&);
916 void set_music_range (list<MusicRange>&);
918 void request_play_range (bool yn);
919 bool get_play_range () const { return _play_range; }
922 typedef vector<string> FavoriteDirs;
924 static int read_favorite_dirs (FavoriteDirs&);
926 static int write_favorite_dirs (FavoriteDirs&);
930 static const char* template_suffix() { return _template_suffix; }
931 static const char* statefile_suffix() { return _statefile_suffix; }
932 static const char* pending_suffix() { return _pending_suffix; }
934 /* buffers for gain and pan */
936 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
937 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
939 /* buffers for conversion */
946 char * conversion_buffer(RunContext context) { return _conversion_buffers[context]; }
950 static long vst_callback (AEffect* effect,
957 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
958 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
959 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
960 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
962 static compute_peak_t compute_peak;
963 static apply_gain_to_buffer_t apply_gain_to_buffer;
964 static mix_buffers_with_gain_t mix_buffers_with_gain;
965 static mix_buffers_no_gain_t mix_buffers_no_gain;
968 friend class AudioEngine;
969 void set_block_size (jack_nframes_t nframes);
970 void set_frame_rate (jack_nframes_t nframes);
973 friend class AudioDiskstream;
975 void wait_till_butler_finished();
979 void schedule_curve_reallocation ();
980 void update_latency_compensation (bool, bool);
983 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
985 static const char* _template_suffix;
986 static const char* _statefile_suffix;
987 static const char* _pending_suffix;
990 PendingDeclickIn = 0x1,
991 PendingDeclickOut = 0x2,
992 StopPendingCapture = 0x4,
993 AutoReturning = 0x10,
994 PendingLocate = 0x20,
995 PendingSetLoop = 0x40
998 /* stuff used in process() should be close together to
1002 typedef void (Session::*process_function_type)(jack_nframes_t);
1004 AudioEngine &_engine;
1005 mutable gint processing_prohibited;
1006 process_function_type process_function;
1007 process_function_type last_process_function;
1008 jack_nframes_t _current_frame_rate;
1009 int transport_sub_state;
1010 mutable gint _record_status;
1011 jack_nframes_t _transport_frame;
1012 Location* end_location;
1013 Location* start_location;
1015 SlaveSource _slave_type;
1016 volatile float _transport_speed;
1017 volatile float _desired_transport_speed;
1018 float _last_transport_speed;
1019 jack_nframes_t _last_slave_transport_frame;
1020 jack_nframes_t maximum_output_latency;
1021 jack_nframes_t last_stop_frame;
1022 vector<Sample *> _passthru_buffers;
1023 vector<Sample *> _silent_buffers;
1024 vector<Sample *> _send_buffers;
1025 map<RunContext,char*> _conversion_buffers;
1026 jack_nframes_t current_block_size;
1027 jack_nframes_t _worst_output_latency;
1028 jack_nframes_t _worst_input_latency;
1029 jack_nframes_t _worst_track_latency;
1030 bool _have_captured;
1032 float _meter_falloff;
1033 bool _end_location_is_free;
1035 void set_worst_io_latencies (bool take_lock);
1036 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1037 set_worst_io_latencies (true);
1040 void update_latency_compensation_proxy (void* ignored);
1042 void ensure_passthru_buffers (uint32_t howmany);
1044 void process_scrub (jack_nframes_t);
1045 void process_without_events (jack_nframes_t);
1046 void process_with_events (jack_nframes_t);
1047 void process_audition (jack_nframes_t);
1048 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1050 /* slave tracking */
1052 static const int delta_accumulator_size = 25;
1053 int delta_accumulator_cnt;
1054 long delta_accumulator[delta_accumulator_size];
1055 long average_slave_delta;
1057 bool have_first_delta_accumulator;
1065 SlaveState slave_state;
1066 jack_nframes_t slave_wait_end;
1068 void reset_slave_state ();
1069 bool follow_slave (jack_nframes_t, jack_nframes_t);
1072 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1074 void prepare_diskstreams ();
1075 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1076 int process_routes (jack_nframes_t, jack_nframes_t);
1077 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1079 bool get_rec_monitors_input () {
1080 if (actively_recording()) {
1091 int get_transport_declick_required () {
1093 if (transport_sub_state & PendingDeclickIn) {
1094 transport_sub_state &= ~PendingDeclickIn;
1096 } else if (transport_sub_state & PendingDeclickOut) {
1103 bool maybe_stop (jack_nframes_t limit) {
1104 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1111 void check_declick_out ();
1113 MIDI::MachineControl* mmc;
1114 MIDI::Port* _mmc_port;
1115 MIDI::Port* _mtc_port;
1116 MIDI::Port* _midi_port;
1119 bool do_not_record_plugins;
1129 jack_nframes_t last_loopend;
1131 bool crossfades_active;
1140 RingBuffer<Event*> pending_events;
1143 void when_engine_running ();
1144 sigc::connection first_time_running;
1145 void graph_reordered ();
1147 string _current_snapshot_name;
1149 XMLTree* state_tree;
1150 bool state_was_pending;
1151 StateOfTheState _state_of_the_state;
1154 int load_options (const XMLNode&);
1155 XMLNode& get_options () const;
1156 int load_state (string snapshot_name);
1158 jack_nframes_t _last_roll_location;
1159 jack_nframes_t _last_record_location;
1160 bool pending_locate_roll;
1161 jack_nframes_t pending_locate_frame;
1163 bool pending_locate_flush;
1165 bool pending_auto_loop;
1167 Sample* butler_mixdown_buffer;
1168 float* butler_gain_buffer;
1169 pthread_t butler_thread;
1170 Glib::Mutex butler_request_lock;
1171 Glib::Cond butler_paused;
1172 bool butler_should_run;
1173 mutable gint butler_should_do_transport_work;
1174 int butler_request_pipe[2];
1176 struct ButlerRequest {
1185 enum PostTransportWork {
1186 PostTransportStop = 0x1,
1187 PostTransportDisableRecord = 0x2,
1188 PostTransportPosition = 0x8,
1189 PostTransportDidRecord = 0x20,
1190 PostTransportDuration = 0x40,
1191 PostTransportLocate = 0x80,
1192 PostTransportRoll = 0x200,
1193 PostTransportAbort = 0x800,
1194 PostTransportOverWrite = 0x1000,
1195 PostTransportSpeed = 0x2000,
1196 PostTransportAudition = 0x4000,
1197 PostTransportScrub = 0x8000,
1198 PostTransportReverse = 0x10000,
1199 PostTransportInputChange = 0x20000,
1200 PostTransportCurveRealloc = 0x40000
1203 static const PostTransportWork ProcessCannotProceedMask =
1204 PostTransportWork (PostTransportInputChange|
1206 PostTransportReverse|
1207 PostTransportCurveRealloc|
1209 PostTransportAudition|
1210 PostTransportLocate|
1213 PostTransportWork post_transport_work;
1215 void summon_butler ();
1216 void schedule_butler_transport_work ();
1217 int start_butler_thread ();
1218 void terminate_butler_thread ();
1219 static void *_butler_thread_work (void *arg);
1220 void* butler_thread_work ();
1222 uint32_t cumulative_rf_motion;
1225 void set_rf_speed (float speed);
1226 void reset_rf_scale (jack_nframes_t frames_moved);
1228 Locations _locations;
1229 void locations_changed ();
1230 void locations_added (Location*);
1231 void handle_locations_changed (Locations::LocationList&);
1233 sigc::connection auto_punch_start_changed_connection;
1234 sigc::connection auto_punch_end_changed_connection;
1235 sigc::connection auto_punch_changed_connection;
1236 void auto_punch_start_changed (Location *);
1237 void auto_punch_end_changed (Location *);
1238 void auto_punch_changed (Location *);
1240 sigc::connection auto_loop_start_changed_connection;
1241 sigc::connection auto_loop_end_changed_connection;
1242 sigc::connection auto_loop_changed_connection;
1243 void auto_loop_changed (Location *);
1245 typedef list<Event *> Events;
1247 Events immediate_events;
1248 Events::iterator next_event;
1250 /* there can only ever be one of each of these */
1252 Event *auto_loop_event;
1253 Event *punch_out_event;
1254 Event *punch_in_event;
1258 void dump_events () const;
1259 void queue_event (Event *ev);
1260 void merge_event (Event*);
1261 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1262 bool _replace_event (Event*);
1263 bool _remove_event (Event *);
1264 void _clear_event_type (Event::Type);
1266 void first_stage_init (string path, string snapshot_name);
1267 int second_stage_init (bool new_tracks);
1268 void find_current_end ();
1269 void remove_empty_sounds ();
1271 void setup_midi_control ();
1272 //int midi_read (MIDI::Port *);
1274 void enable_record ();
1276 void increment_transport_position (uint32_t val) {
1277 if (max_frames - val < _transport_frame) {
1278 _transport_frame = max_frames;
1280 _transport_frame += val;
1284 void decrement_transport_position (uint32_t val) {
1285 if (val < _transport_frame) {
1286 _transport_frame -= val;
1288 _transport_frame = 0;
1292 void post_transport_motion ();
1293 static void *session_loader_thread (void *arg);
1297 void set_next_event ();
1298 void process_event (Event *ev);
1300 /* MIDI Machine Control */
1302 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1303 //void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1304 //void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1306 void spp_start (MIDI::Parser&);
1307 void spp_continue (MIDI::Parser&);
1308 void spp_stop (MIDI::Parser&);
1310 void mmc_deferred_play (MIDI::MachineControl &);
1311 void mmc_stop (MIDI::MachineControl &);
1312 void mmc_step (MIDI::MachineControl &, int);
1313 void mmc_pause (MIDI::MachineControl &);
1314 void mmc_record_pause (MIDI::MachineControl &);
1315 void mmc_record_strobe (MIDI::MachineControl &);
1316 void mmc_record_exit (MIDI::MachineControl &);
1317 void mmc_track_record_status (MIDI::MachineControl &,
1318 uint32_t track, bool enabled);
1319 void mmc_fast_forward (MIDI::MachineControl &);
1320 void mmc_rewind (MIDI::MachineControl &);
1321 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1322 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1323 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1325 struct timeval last_mmc_step;
1328 typedef sigc::slot<bool> MidiTimeoutCallback;
1329 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1331 MidiTimeoutList midi_timeouts;
1332 bool mmc_step_timeout ();
1334 MIDI::byte mmc_buffer[32];
1335 MIDI::byte mtc_msg[16];
1336 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1337 MIDI::byte midi_msg[16];
1338 jack_nframes_t outbound_mtc_smpte_frame;
1339 SMPTE::Time transmitting_smpte_time;
1340 int next_quarter_frame_to_send;
1342 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1343 jack_nframes_t _frames_per_hour;
1344 jack_nframes_t _smpte_frames_per_hour;
1345 jack_nframes_t _smpte_offset;
1346 bool _smpte_offset_negative;
1348 /* cache the most-recently requested time conversions. This helps when we
1349 * have multiple clocks showing the same time (e.g. the transport frame) */
1350 bool last_smpte_valid;
1351 jack_nframes_t last_smpte_when;
1352 SMPTE::Time last_smpte;
1354 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1356 int send_full_time_code(jack_nframes_t nframes);
1357 int send_midi_time_code_for_cycle(jack_nframes_t nframes);
1359 //void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1361 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1363 void reset_record_status ();
1365 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1367 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1368 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1370 struct MIDIRequest {
1383 MIDI::MachineControl::Command mmc_cmd;
1384 jack_nframes_t locate_frame;
1386 // for SendMessage type
1389 MIDI::channel_t chan;
1391 MIDI::EventTwoBytes data;
1402 void *operator new(size_t ignored) {
1403 return pool.alloc ();
1406 void operator delete(void *ptr, size_t size) {
1411 static MultiAllocSingleReleasePool pool;
1414 mutable gint butler_active;
1416 //PBD::Lock midi_lock;
1417 //pthread_t midi_thread;
1418 //int midi_request_pipe[2];
1420 //RingBuffer<MIDIRequest*> midi_requests;
1421 /*int start_midi_thread ();
1422 void terminate_midi_thread ();
1423 void poke_midi_thread ();
1424 static void *_midi_thread_work (void *arg);
1425 void midi_thread_work ();*/
1426 void change_midi_ports ();
1427 int use_config_midi_ports ();
1429 bool waiting_to_start;
1431 void set_auto_loop (bool yn);
1432 void overwrite_some_buffers (AudioDiskstream*);
1433 void flush_all_redirects ();
1434 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1435 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1436 void force_locate (jack_nframes_t frame, bool with_roll = false);
1437 void set_diskstream_speed (AudioDiskstream*, float speed);
1438 void set_transport_speed (float speed, bool abort = false);
1439 void stop_transport (bool abort = false);
1440 void start_transport ();
1441 void actually_start_transport ();
1442 void realtime_stop (bool abort);
1443 void non_realtime_start_scrub ();
1444 void non_realtime_set_speed ();
1445 void non_realtime_stop (bool abort);
1446 void non_realtime_overwrite ();
1447 void non_realtime_buffer_fill ();
1448 void butler_transport_work ();
1449 void post_transport ();
1450 void engine_halted ();
1451 void xrun_recovery ();
1453 TempoMap *_tempo_map;
1454 void tempo_map_changed (Change);
1456 /* edit/mix groups */
1458 int load_route_groups (const XMLNode&, bool is_edit);
1459 int load_edit_groups (const XMLNode&);
1460 int load_mix_groups (const XMLNode&);
1463 list<RouteGroup *> edit_groups;
1464 list<RouteGroup *> mix_groups;
1468 AudioDiskstreamList audio_diskstreams;
1469 mutable Glib::RWLock diskstream_lock;
1470 uint32_t dstream_buffer_size;
1471 void add_diskstream (AudioDiskstream*);
1472 int load_diskstreams (const XMLNode&);
1477 mutable Glib::RWLock route_lock;
1478 void add_route (Route*);
1479 uint32_t destructive_index;
1481 int load_routes (const XMLNode&);
1482 Route* XMLRouteFactory (const XMLNode&);
1487 SoloModel _solo_model;
1488 bool solo_update_disabled;
1489 bool currently_soloing;
1491 void route_mute_changed (void *src);
1492 void route_solo_changed (void *src, Route *);
1493 void catch_up_on_solo ();
1494 void update_route_solo_state ();
1495 void modify_solo_mute (bool, bool);
1496 void strip_portname_for_solo (string& portname);
1498 /* REGION MANAGEMENT */
1500 mutable Glib::Mutex region_lock;
1501 typedef map<ARDOUR::id_t,AudioRegion *> AudioRegionList;
1502 AudioRegionList audio_regions;
1504 void region_renamed (Region *);
1505 void region_changed (Change, Region *);
1506 void add_region (Region *);
1507 void remove_region (Region *);
1509 int load_regions (const XMLNode& node);
1513 mutable Glib::Mutex audio_source_lock;
1514 typedef std::map<id_t, AudioSource *> AudioSourceList;
1516 AudioSourceList audio_sources;
1518 int load_sources (const XMLNode& node);
1519 XMLNode& get_sources_as_xml ();
1521 Source *XMLSourceFactory (const XMLNode&);
1525 mutable Glib::Mutex playlist_lock;
1526 typedef set<Playlist *> PlaylistList;
1527 PlaylistList playlists;
1528 PlaylistList unused_playlists;
1530 int load_playlists (const XMLNode&);
1531 int load_unused_playlists (const XMLNode&);
1532 void remove_playlist (Playlist *);
1533 void track_playlist (Playlist *, bool);
1535 Playlist *playlist_factory (string name);
1536 Playlist *XMLPlaylistFactory (const XMLNode&);
1538 void playlist_length_changed (Playlist *);
1539 void diskstream_playlist_changed (AudioDiskstream *);
1541 /* NAMED SELECTIONS */
1543 mutable Glib::Mutex named_selection_lock;
1544 typedef set<NamedSelection *> NamedSelectionList;
1545 NamedSelectionList named_selections;
1547 int load_named_selections (const XMLNode&);
1549 NamedSelection *named_selection_factory (string name);
1550 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1552 /* DEFAULT FADE CURVES */
1554 float default_fade_steepness;
1555 float default_fade_msecs;
1559 Auditioner *auditioner;
1560 void set_audition (AudioRegion*);
1561 void non_realtime_set_audition ();
1562 AudioRegion *pending_audition_region;
1568 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1570 /* INSERT AND SEND MANAGEMENT */
1572 list<PortInsert *> _port_inserts;
1573 list<PluginInsert *> _plugin_inserts;
1574 list<Send *> _sends;
1576 uint32_t insert_cnt;
1578 void add_redirect (Redirect *);
1579 void remove_redirect (Redirect *);
1583 struct space_and_path {
1584 uint32_t blocks; /* 4kB blocks */
1592 struct space_and_path_ascending_cmp {
1593 bool operator() (space_and_path a, space_and_path b) {
1594 return a.blocks > b.blocks;
1598 void setup_raid_path (string path);
1600 vector<space_and_path> session_dirs;
1601 vector<space_and_path>::iterator last_rr_session_dir;
1602 uint32_t _total_free_4k_blocks;
1603 Glib::Mutex space_lock;
1605 static const char* sound_dir_name;
1606 static const char* tape_dir_name;
1607 static const char* dead_sound_dir_name;
1608 static const char* peak_dir_name;
1610 string discover_best_sound_dir (bool destructive = false);
1611 int ensure_sound_dir (string, string&);
1612 void refresh_disk_space ();
1614 mutable gint _playback_load;
1615 mutable gint _capture_load;
1616 mutable gint _playback_load_min;
1617 mutable gint _capture_load_min;
1619 /* I/O Connections */
1621 typedef list<Connection *> ConnectionList;
1622 mutable Glib::Mutex connection_lock;
1623 ConnectionList _connections;
1624 int load_connections (const XMLNode&);
1626 int set_slave_source (SlaveSource, jack_nframes_t);
1628 void reverse_diskstream_buffers ();
1630 UndoHistory history;
1631 UndoCommand current_cmd;
1633 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1634 GlobalRouteMeterState get_global_route_metering ();
1636 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1637 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1639 void set_global_mute (GlobalRouteBooleanState s, void *src);
1640 void set_global_solo (GlobalRouteBooleanState s, void *src);
1641 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1643 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1644 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1645 void record_enable_change_all (bool yn);
1647 XMLNode& state(bool);
1652 jack_nframes_t start;
1653 jack_nframes_t duration;
1654 jack_nframes_t offset;
1657 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1658 : start (s), duration (d), data (b) { offset = 0; }
1660 void *operator new(size_t ignored) {
1661 return pool.alloc ();
1664 void operator delete(void *ptr, size_t size) {
1672 typedef list<Click*> Clicks;
1678 Sample* click_emphasis_data;
1679 jack_nframes_t click_length;
1680 jack_nframes_t click_emphasis_length;
1681 mutable Glib::RWLock click_lock;
1683 static const Sample default_click[];
1684 static const jack_nframes_t default_click_length;
1685 static const Sample default_click_emphasis[];
1686 static const jack_nframes_t default_click_emphasis_length;
1689 void setup_click_sounds (int which);
1690 void clear_clicks ();
1691 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1693 vector<Route*> master_outs;
1695 EditMode _edit_mode;
1696 EditMode pending_edit_mode;
1698 /* range playback */
1700 list<AudioRange> current_audio_range;
1702 void set_play_range (bool yn);
1703 void setup_auto_play ();
1711 AutoConnectOption input_auto_connect;
1712 AutoConnectOption output_auto_connect;
1714 gain_t* _gain_automation_buffer;
1715 pan_t** _pan_automation_buffer;
1716 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1717 uint32_t _npan_buffers;
1721 long _vst_callback (VSTPlugin*,
1728 /* number of hardware audio ports we're using,
1729 based on max (requested,available)
1732 uint32_t n_physical_outputs;
1733 uint32_t n_physical_inputs;
1735 void remove_pending_capture_state ();
1737 int find_all_sources (std::string path, std::set<std::string>& result);
1738 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1740 LayerModel layer_model;
1741 CrossfadeModel xfade_model;
1744 }; /* namespace ARDOUR */
1746 #endif /* __ardour_session_h__ */