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>
63 class AudioDiskstream;
68 class AudioFileSource;
83 class ControlProtocolManager;
85 struct AudioExportSpecification;
94 class Session : public sigc::trackable, public Stateful
98 typedef std::pair<Route*,bool> RouteBooleanState;
99 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
100 typedef std::pair<Route*,MeterPoint> RouteMeterState;
101 typedef vector<RouteMeterState> GlobalRouteMeterState;
116 enum AutoConnectOption {
117 AutoConnectPhysical = 0x1,
118 AutoConnectMaster = 0x2
135 InputConfigurationChange,
139 /* only one of each of these events
140 can be queued at any one time
156 jack_nframes_t action_frame;
157 jack_nframes_t target_frame;
163 Session::SlaveSource slave;
166 list<AudioRange> audio_range;
167 list<MusicRange> music_range;
169 Event(Type t, Action a, jack_nframes_t when, jack_nframes_t where, float spd, bool yn = false)
173 target_frame (where),
177 void set_ptr (void* p) {
181 bool before (const Event& other) const {
182 return action_frame < other.action_frame;
185 bool after (const Event& other) const {
186 return action_frame > other.action_frame;
189 static bool compare (const Event *e1, const Event *e2) {
190 return e1->before (*e2);
193 void *operator new (size_t ignored) {
194 return pool.alloc ();
197 void operator delete(void *ptr, size_t size) {
201 static const jack_nframes_t Immediate = 0;
204 static MultiAllocSingleReleasePool pool;
207 /* creating from an XML file */
209 Session (AudioEngine&,
211 string snapshot_name,
212 string* mix_template = 0);
214 /* creating a new Session */
216 Session (AudioEngine&,
218 string snapshot_name,
219 AutoConnectOption input_auto_connect,
220 AutoConnectOption output_auto_connect,
221 uint32_t control_out_channels,
222 uint32_t master_out_channels,
223 uint32_t n_physical_in,
224 uint32_t n_physical_out,
225 jack_nframes_t initial_length);
230 static int find_session (string str, string& path, string& snapshot, bool& isnew);
232 string path() const { return _path; }
233 string name() const { return _name; }
234 string snap_name() const { return _current_snapshot_name; }
236 void set_snap_name ();
240 bool dirty() const { return _state_of_the_state & Dirty; }
241 sigc::signal<void> DirtyChanged;
243 std::string sound_dir () const;
244 std::string tape_dir () const;
245 std::string peak_dir () const;
246 std::string dead_sound_dir () const;
247 std::string automation_dir () const;
249 static string suffixed_search_path (std::string suffix, bool data);
250 static string control_protocol_path ();
251 static string template_path ();
252 static string template_dir ();
253 static void get_template_list (list<string>&);
255 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
256 static string peak_path_from_audio_path (string);
257 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
259 void process (jack_nframes_t nframes);
261 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
262 vector<Sample*>& get_silent_buffers (uint32_t howmany);
263 vector<Sample*>& get_send_buffers () { return _send_buffers; }
265 AudioDiskstream *diskstream_by_id (id_t id);
266 AudioDiskstream *diskstream_by_name (string name);
268 bool have_captured() const { return _have_captured; }
270 void refill_all_diskstream_buffers ();
271 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
273 /* XXX fix required here when we get new diskstream types *, but
274 not sure of the direction to take this in until then.
277 uint32_t get_next_diskstream_id() const { return n_audio_diskstreams(); }
278 uint32_t n_audio_diskstreams() const;
280 typedef list<AudioDiskstream *> AudioDiskstreamList;
282 Session::AudioDiskstreamList audio_disk_streams() const {
283 Glib::RWLock::ReaderLock lm (diskstream_lock);
284 return audio_diskstreams; /* XXX yes, force a copy */
287 void foreach_audio_diskstream (void (AudioDiskstream::*func)(void));
288 template<class T> void foreach_audio_diskstream (T *obj, void (T::*func)(AudioDiskstream&));
290 typedef list<Route *> RouteList;
292 RouteList get_routes() const {
293 Glib::RWLock::ReaderLock rlock (route_lock);
294 return routes; /* XXX yes, force a copy */
297 uint32_t nroutes() const { return routes.size(); }
298 uint32_t ntracks () const;
299 uint32_t nbusses () const;
301 struct RoutePublicOrderSorter {
302 bool operator() (Route *, Route *b);
305 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
306 template<class T> void foreach_route (T *obj, void (T::*func)(Route*));
307 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
309 Route *route_by_name (string);
310 Route *route_by_remote_id (uint32_t id);
312 bool route_name_unique (string) const;
314 bool get_record_enabled() const {
315 return (record_status () >= Enabled);
318 RecordState record_status() const {
319 return (RecordState) g_atomic_int_get (&_record_status);
322 bool actively_recording () {
323 return record_status() == Recording;
326 bool record_enabling_legal () const;
327 void maybe_enable_record ();
328 void disable_record (bool rt_context, bool force = false);
329 void step_back_from_record ();
331 sigc::signal<void> going_away;
333 /* Proxy signal for region hidden changes */
335 sigc::signal<void,Region*> RegionHiddenChange;
337 /* Emitted when all i/o connections are complete */
339 sigc::signal<void> IOConnectionsComplete;
341 /* Record status signals */
343 sigc::signal<void> RecordStateChanged;
345 /* Transport mechanism signals */
347 sigc::signal<void> TransportStateChange; /* generic */
348 sigc::signal<void,jack_nframes_t> PositionChanged; /* sent after any non-sequential motion */
349 sigc::signal<void> DurationChanged;
350 sigc::signal<void> HaltOnXrun;
352 sigc::signal<void,Route*> RouteAdded;
353 sigc::signal<void,AudioDiskstream*> AudioDiskstreamAdded;
355 void request_roll ();
356 void request_bounded_roll (jack_nframes_t start, jack_nframes_t end);
357 void request_stop (bool abort = false);
358 void request_locate (jack_nframes_t frame, bool with_roll = false);
359 void request_auto_loop (bool yn);
360 jack_nframes_t last_transport_start() const { return _last_roll_location; }
361 void goto_end () { request_locate (end_location->start(), false);}
362 void goto_start () { request_locate (start_location->start(), false); }
363 void use_rf_shuttle_speed ();
364 void request_transport_speed (float speed);
365 void request_overwrite_buffer (AudioDiskstream*);
366 void request_diskstream_speed (AudioDiskstream&, float speed);
367 void request_input_change_handling ();
369 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
370 bool transport_locked () const;
373 int wipe_diskstream (AudioDiskstream *);
375 int remove_region_from_region_list (Region&);
377 jack_nframes_t get_maximum_extent () const;
378 jack_nframes_t current_end_frame() const { return end_location->start(); }
379 jack_nframes_t current_start_frame() const { return start_location->start(); }
380 jack_nframes_t frame_rate() const { return _current_frame_rate; }
381 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
382 jack_nframes_t frames_per_hour() const { return _frames_per_hour; }
383 jack_nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
387 Locations *locations() { return &_locations; }
389 sigc::signal<void,Location*> auto_loop_location_changed;
390 sigc::signal<void,Location*> auto_punch_location_changed;
391 sigc::signal<void> locations_modified;
393 void set_auto_punch_location (Location *);
394 void set_auto_loop_location (Location *);
424 sigc::signal<void,ControlType> ControlChanged;
426 void set_auto_play (bool yn);
427 void set_auto_return (bool yn);
428 void set_auto_input (bool yn);
429 void reset_input_monitor_state ();
430 void set_input_auto_connect (bool yn);
431 void set_output_auto_connect (AutoConnectOption);
432 void set_punch_in (bool yn);
433 void set_punch_out (bool yn);
434 void set_send_mtc (bool yn);
435 void set_send_mmc (bool yn);
436 void set_mmc_control (bool yn);
437 void set_midi_feedback (bool yn);
438 void set_midi_control (bool yn);
439 void set_do_not_record_plugins (bool yn);
440 void set_crossfades_active (bool yn);
441 void set_seamless_loop (bool yn);
443 bool get_auto_play () const { return auto_play; }
444 bool get_auto_input () const { return auto_input; }
445 bool get_auto_loop () const { return auto_loop; }
446 bool get_seamless_loop () const { return seamless_loop; }
447 bool get_punch_in () const { return punch_in; }
448 bool get_punch_out () const { return punch_out; }
449 bool get_all_safe () const { return all_safe; }
450 bool get_auto_return () const { return auto_return; }
451 bool get_send_mtc () const;
452 bool get_send_mmc () const;
453 bool get_mmc_control () const;
454 bool get_midi_feedback () const;
455 bool get_midi_control () const;
456 bool get_do_not_record_plugins () const { return do_not_record_plugins; }
457 bool get_crossfades_active () const { return crossfades_active; }
459 bool get_input_auto_connect () const;
460 AutoConnectOption get_output_auto_connect () const { return output_auto_connect; }
468 void set_layer_model (LayerModel);
469 LayerModel get_layer_model () const { return layer_model; }
471 void set_xfade_model (CrossfadeModel);
472 CrossfadeModel get_xfade_model () const { return xfade_model; }
474 void add_event (jack_nframes_t action_frame, Event::Type type, jack_nframes_t target_frame = 0);
475 void remove_event (jack_nframes_t frame, Event::Type type);
476 void clear_events (Event::Type type);
478 jack_nframes_t get_block_size() const { return current_block_size; }
479 jack_nframes_t worst_output_latency () const { return _worst_output_latency; }
480 jack_nframes_t worst_input_latency () const { return _worst_input_latency; }
481 jack_nframes_t worst_track_latency () const { return _worst_track_latency; }
483 int save_state (string snapshot_name, bool pending = false);
484 int restore_state (string snapshot_name);
485 int save_template (string template_name);
487 static int rename_template (string old_name, string new_name);
489 static int delete_template (string name);
491 sigc::signal<void,string> StateSaved;
492 sigc::signal<void> StateReady;
494 vector<string*>* possible_states() const;
495 static vector<string*>* possible_states(string path);
497 XMLNode& get_state();
498 int set_state(const XMLNode& node);
499 XMLNode& get_template();
501 void add_instant_xml (XMLNode&, const std::string& dir);
503 void swap_configuration(Configuration** new_config);
504 void copy_configuration(Configuration* new_config);
506 enum StateOfTheState {
511 InitialConnecting = 0x8,
516 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
518 RouteGroup* add_edit_group (string);
519 RouteGroup* add_mix_group (string);
521 void remove_edit_group (RouteGroup&);
522 void remove_mix_group (RouteGroup&);
524 RouteGroup *mix_group_by_name (string);
525 RouteGroup *edit_group_by_name (string);
527 sigc::signal<void,RouteGroup*> edit_group_added;
528 sigc::signal<void,RouteGroup*> mix_group_added;
529 sigc::signal<void> edit_group_removed;
530 sigc::signal<void> mix_group_removed;
532 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
533 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
538 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
539 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
544 /* fundamental operations. duh. */
547 AudioTrack *new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal);
549 Route *new_audio_route (int input_channels, int output_channels);
551 void remove_route (Route&);
552 void resort_routes (void *src);
554 AudioEngine &engine() { return _engine; };
556 /* configuration. there should really be accessors/mutators
560 float meter_hold () { return _meter_hold; }
561 void set_meter_hold (float);
562 sigc::signal<void> MeterHoldChanged;
564 float meter_falloff () { return _meter_falloff; }
565 void set_meter_falloff (float);
566 sigc::signal<void> MeterFalloffChanged;
570 string click_emphasis_sound;
572 bool click_requested;
573 jack_nframes_t over_length_short;
574 jack_nframes_t over_length_long;
575 bool send_midi_timecode;
576 bool send_midi_machine_control;
577 float shuttle_speed_factor;
578 float shuttle_speed_threshold;
580 float smpte_frames_per_second;
581 bool smpte_drop_frames;
587 jack_nframes_t transport_frame () const {return _transport_frame; }
588 jack_nframes_t audible_frame () const;
590 int set_smpte_type (float fps, bool drop_frames);
592 void bbt_time (jack_nframes_t when, BBT_Time&);
593 void smpte_to_sample( SMPTE::Time& smpte, jack_nframes_t& sample, bool use_offset, bool use_subframes ) const;
594 void sample_to_smpte( jack_nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
595 void smpte_time (SMPTE::Time &);
596 void smpte_time (jack_nframes_t when, SMPTE::Time&);
597 void smpte_time_subframes (jack_nframes_t when, SMPTE::Time&);
599 void smpte_duration (jack_nframes_t, SMPTE::Time&) const;
600 void smpte_duration_string (char *, jack_nframes_t) const;
602 void set_smpte_offset (jack_nframes_t);
603 jack_nframes_t smpte_offset () const { return _smpte_offset; }
604 void set_smpte_offset_negative (bool);
605 bool smpte_offset_negative () const { return _smpte_offset_negative; }
607 jack_nframes_t convert_to_frames_at (jack_nframes_t position, AnyTime&);
609 static sigc::signal<void> SMPTEOffsetChanged;
610 sigc::signal<void> SMPTETypeChanged;
612 void request_slave_source (SlaveSource, jack_nframes_t pos = 0);
613 SlaveSource slave_source() const { return _slave_type; }
614 bool synced_to_jack() const { return _slave_type == JACK; }
615 float transport_speed() const { return _transport_speed; }
616 bool transport_stopped() const { return _transport_speed == 0.0f; }
617 bool transport_rolling() const { return _transport_speed != 0.0f; }
619 int jack_slave_sync (jack_nframes_t);
621 TempoMap& tempo_map() { return *_tempo_map; }
625 sigc::signal<void,AudioRegion *> AudioRegionAdded;
626 sigc::signal<void,AudioRegion *> AudioRegionRemoved;
628 int region_name (string& result, string base = string(""), bool newlevel = false) const;
629 string new_region_name (string);
630 string path_from_region_name (string name, string identifier);
632 AudioRegion* find_whole_file_parent (AudioRegion&);
633 void find_equivalent_playlist_regions (AudioRegion&, std::vector<AudioRegion*>& result);
635 AudioRegion *XMLRegionFactory (const XMLNode&, bool full);
637 template<class T> void foreach_audio_region (T *obj, void (T::*func)(AudioRegion *));
639 /* source management */
641 struct import_status : public InterThreadInfo {
647 volatile bool freeze;
651 std::vector<AudioRegion*> new_regions;
655 int import_audiofile (import_status&);
656 bool sample_rate_convert (import_status&, string infile, string& outfile);
657 string build_tmp_convert_name (string file);
659 Session::SlaveSource post_export_slave;
660 jack_nframes_t post_export_position;
662 int start_audio_export (ARDOUR::AudioExportSpecification&);
663 int stop_audio_export (ARDOUR::AudioExportSpecification&);
665 void add_audio_source (AudioSource *);
666 void remove_source (Source *);
667 int cleanup_audio_file_source (AudioFileSource&);
669 struct cleanup_report {
670 vector<string> paths;
674 int cleanup_sources (cleanup_report&);
675 int cleanup_trash_sources (cleanup_report&);
677 int destroy_region (Region*);
678 int destroy_regions (list<Region*>);
680 int remove_last_capture ();
682 /* handlers should return -1 for "stop cleanup", 0 for
683 "yes, delete this playlist" and 1 for "no, don't delete
687 sigc::signal<int,ARDOUR::Playlist*> AskAboutPlaylistDeletion;
690 /* handlers should return !0 for use pending state, 0 for
694 static sigc::signal<int> AskAboutPendingState;
696 sigc::signal<void,Source *> SourceAdded;
697 sigc::signal<void,Source *> SourceRemoved;
699 AudioFileSource *create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
701 Source *get_source (ARDOUR::id_t);
703 /* playlist management */
705 Playlist* playlist_by_name (string name);
706 void add_playlist (Playlist *);
707 sigc::signal<void,Playlist*> PlaylistAdded;
708 sigc::signal<void,Playlist*> PlaylistRemoved;
710 Playlist *get_playlist (string name);
712 uint32_t n_playlists() const;
714 template<class T> void foreach_playlist (T *obj, void (T::*func)(Playlist *));
716 /* named selections */
718 NamedSelection* named_selection_by_name (string name);
719 void add_named_selection (NamedSelection *);
720 void remove_named_selection (NamedSelection *);
722 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
723 sigc::signal<void> NamedSelectionAdded;
724 sigc::signal<void> NamedSelectionRemoved;
728 float get_default_fade_length () const { return default_fade_msecs; }
729 float get_default_fade_steepness () const { return default_fade_steepness; }
730 void set_default_fade (float steepness, float msecs);
734 Auditioner& the_auditioner() { return *auditioner; }
735 void audition_playlist ();
736 void audition_region (AudioRegion&);
737 void cancel_audition ();
738 bool is_auditioning () const;
740 sigc::signal<void,bool> AuditionActive;
742 /* flattening stuff */
744 int write_one_audio_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt, bool overwrite, vector<AudioSource*>&,
745 InterThreadInfo& wot);
746 int freeze (InterThreadInfo&);
748 /* session-wide solo/mute/rec-enable */
755 bool soloing() const { return currently_soloing; }
757 SoloModel solo_model() const { return _solo_model; }
758 void set_solo_model (SoloModel);
760 bool solo_latched() const { return _solo_latched; }
761 void set_solo_latched (bool yn);
763 void set_all_solo (bool);
764 void set_all_mute (bool);
766 sigc::signal<void,bool> SoloActive;
768 void record_disenable_all ();
769 void record_enable_all ();
771 /* control/master out */
773 IO* control_out() const { return _control_out; }
774 IO* master_out() const { return _master_out; }
776 /* insert/send management */
778 uint32_t n_port_inserts() const { return _port_inserts.size(); }
779 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
780 uint32_t n_sends() const { return _sends.size(); }
782 string next_send_name();
783 string next_insert_name();
785 /* s/w "RAID" management */
787 jack_nframes_t available_capture_duration();
789 /* I/O Connections */
791 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
792 void add_connection (Connection *);
793 void remove_connection (Connection *);
794 Connection *connection_by_name (string) const;
796 sigc::signal<void,Connection *> ConnectionAdded;
797 sigc::signal<void,Connection *> ConnectionRemoved;
801 int set_mtc_port (string port_tag);
802 int set_mmc_port (string port_tag);
803 int set_midi_port (string port_tag);
804 MIDI::Port *mtc_port() const { return _mtc_port; }
805 MIDI::Port *mmc_port() const { return _mmc_port; }
806 MIDI::Port *midi_port() const { return _midi_port; }
808 sigc::signal<void> MTC_PortChanged;
809 sigc::signal<void> MMC_PortChanged;
810 sigc::signal<void> MIDI_PortChanged;
812 void set_trace_midi_input (bool, MIDI::Port* port = 0);
813 void set_trace_midi_output (bool, MIDI::Port* port = 0);
815 bool get_trace_midi_input(MIDI::Port *port = 0);
816 bool get_trace_midi_output(MIDI::Port *port = 0);
818 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
820 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
824 void start_scrub (jack_nframes_t where);
826 void set_scrub_speed (float);
827 jack_nframes_t scrub_buffer_size() const;
828 sigc::signal<void> ScrubReady;
830 /* History (for editors, mixers, UIs etc.) */
832 void undo (uint32_t n) {
835 void redo (uint32_t n) {
839 uint32_t undo_depth() const { return history.undo_depth(); }
840 uint32_t redo_depth() const { return history.redo_depth(); }
841 string next_undo() const { return history.next_undo(); }
842 string next_redo() const { return history.next_redo(); }
844 void begin_reversible_command (string cmd_name, UndoAction *private_undo = 0);
845 void commit_reversible_command (UndoAction* private_redo = 0);
847 void add_undo (const UndoAction& ua) {
848 current_cmd.add_undo (ua);
850 void add_redo (const UndoAction& ua) {
851 current_cmd.add_redo (ua);
853 void add_redo_no_execute (const UndoAction& ua) {
854 current_cmd.add_redo_no_execute (ua);
857 UndoAction global_solo_memento (void *src);
858 UndoAction global_mute_memento (void *src);
859 UndoAction global_record_enable_memento (void *src);
860 UndoAction global_metering_memento (void *src);
864 void set_edit_mode (EditMode);
865 EditMode get_edit_mode () const { return _edit_mode; }
869 IO& click_io() { return *_click_io; }
870 void set_clicking (bool yn);
871 bool get_clicking() const;
873 void set_click_sound (string path);
874 void set_click_emphasis_sound (string path);
878 struct TimeStretchRequest {
879 ARDOUR::AudioRegion* region;
880 float fraction; /* session: read ; GUI: write */
881 float progress; /* session: write ; GUI: read */
882 bool running; /* read/write */
883 bool quick_seek; /* GUI: write */
884 bool antialias; /* GUI: write */
886 TimeStretchRequest () : region (0) {}
889 AudioRegion* tempoize_region (TimeStretchRequest&);
891 string raid_path() const;
892 void set_raid_path(string);
894 /* need to call this whenever we change native file formats */
896 void reset_native_file_format();
898 /* disk, buffer loads */
900 uint32_t playback_load ();
901 uint32_t capture_load ();
902 uint32_t playback_load_min ();
903 uint32_t capture_load_min ();
905 void reset_playback_load_min ();
906 void reset_capture_load_min ();
908 float read_data_rate () const;
909 float write_data_rate () const;
913 void set_audio_range (list<AudioRange>&);
914 void set_music_range (list<MusicRange>&);
916 void request_play_range (bool yn);
917 bool get_play_range () const { return _play_range; }
920 typedef vector<string> FavoriteDirs;
922 static int read_favorite_dirs (FavoriteDirs&);
924 static int write_favorite_dirs (FavoriteDirs&);
928 static const char* template_suffix() { return _template_suffix; }
929 static const char* statefile_suffix() { return _statefile_suffix; }
930 static const char* pending_suffix() { return _pending_suffix; }
932 /* buffers for gain and pan */
934 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
935 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
937 /* buffers for conversion */
944 char * conversion_buffer(RunContext context) { return _conversion_buffers[context]; }
948 static long vst_callback (AEffect* effect,
955 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
956 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
957 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
958 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
960 static compute_peak_t compute_peak;
961 static apply_gain_to_buffer_t apply_gain_to_buffer;
962 static mix_buffers_with_gain_t mix_buffers_with_gain;
963 static mix_buffers_no_gain_t mix_buffers_no_gain;
966 friend class AudioEngine;
967 void set_block_size (jack_nframes_t nframes);
968 void set_frame_rate (jack_nframes_t nframes);
971 friend class AudioDiskstream;
973 void wait_till_butler_finished();
977 void schedule_curve_reallocation ();
978 void update_latency_compensation (bool, bool);
981 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
983 static const char* _template_suffix;
984 static const char* _statefile_suffix;
985 static const char* _pending_suffix;
988 PendingDeclickIn = 0x1,
989 PendingDeclickOut = 0x2,
990 StopPendingCapture = 0x4,
991 AutoReturning = 0x10,
992 PendingLocate = 0x20,
993 PendingSetLoop = 0x40
996 /* stuff used in process() should be close together to
1000 typedef void (Session::*process_function_type)(jack_nframes_t);
1002 AudioEngine &_engine;
1003 mutable gint processing_prohibited;
1004 process_function_type process_function;
1005 process_function_type last_process_function;
1006 jack_nframes_t _current_frame_rate;
1007 int transport_sub_state;
1008 mutable gint _record_status;
1009 jack_nframes_t _transport_frame;
1010 Location* end_location;
1011 Location* start_location;
1013 SlaveSource _slave_type;
1014 volatile float _transport_speed;
1015 volatile float _desired_transport_speed;
1016 float _last_transport_speed;
1017 jack_nframes_t _last_slave_transport_frame;
1018 jack_nframes_t maximum_output_latency;
1019 jack_nframes_t last_stop_frame;
1020 vector<Sample *> _passthru_buffers;
1021 vector<Sample *> _silent_buffers;
1022 vector<Sample *> _send_buffers;
1023 map<RunContext,char*> _conversion_buffers;
1024 jack_nframes_t current_block_size;
1025 jack_nframes_t _worst_output_latency;
1026 jack_nframes_t _worst_input_latency;
1027 jack_nframes_t _worst_track_latency;
1028 bool _have_captured;
1030 float _meter_falloff;
1031 bool _end_location_is_free;
1033 void set_worst_io_latencies (bool take_lock);
1034 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1035 set_worst_io_latencies (true);
1038 void update_latency_compensation_proxy (void* ignored);
1040 void ensure_passthru_buffers (uint32_t howmany);
1042 void process_scrub (jack_nframes_t);
1043 void process_without_events (jack_nframes_t);
1044 void process_with_events (jack_nframes_t);
1045 void process_audition (jack_nframes_t);
1046 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1048 /* slave tracking */
1050 static const int delta_accumulator_size = 25;
1051 int delta_accumulator_cnt;
1052 long delta_accumulator[delta_accumulator_size];
1053 long average_slave_delta;
1055 bool have_first_delta_accumulator;
1063 SlaveState slave_state;
1064 jack_nframes_t slave_wait_end;
1066 void reset_slave_state ();
1067 bool follow_slave (jack_nframes_t, jack_nframes_t);
1070 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1072 void prepare_diskstreams ();
1073 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1074 int process_routes (jack_nframes_t, jack_nframes_t);
1075 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1077 bool get_rec_monitors_input () {
1078 if (actively_recording()) {
1089 int get_transport_declick_required () {
1091 if (transport_sub_state & PendingDeclickIn) {
1092 transport_sub_state &= ~PendingDeclickIn;
1094 } else if (transport_sub_state & PendingDeclickOut) {
1101 bool maybe_stop (jack_nframes_t limit) {
1102 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1109 void check_declick_out ();
1111 MIDI::MachineControl* mmc;
1112 MIDI::Port* _mmc_port;
1113 MIDI::Port* _mtc_port;
1114 MIDI::Port* _midi_port;
1117 bool do_not_record_plugins;
1127 jack_nframes_t last_loopend;
1129 bool crossfades_active;
1138 RingBuffer<Event*> pending_events;
1141 void when_engine_running ();
1142 sigc::connection first_time_running;
1143 void graph_reordered ();
1145 string _current_snapshot_name;
1147 XMLTree* state_tree;
1148 bool state_was_pending;
1149 StateOfTheState _state_of_the_state;
1152 int load_options (const XMLNode&);
1153 XMLNode& get_options () const;
1154 int load_state (string snapshot_name);
1156 jack_nframes_t _last_roll_location;
1157 jack_nframes_t _last_record_location;
1158 bool pending_locate_roll;
1159 jack_nframes_t pending_locate_frame;
1161 bool pending_locate_flush;
1163 bool pending_auto_loop;
1165 Sample* butler_mixdown_buffer;
1166 float* butler_gain_buffer;
1167 pthread_t butler_thread;
1168 Glib::Mutex butler_request_lock;
1169 Glib::Cond butler_paused;
1170 bool butler_should_run;
1171 mutable gint butler_should_do_transport_work;
1172 int butler_request_pipe[2];
1174 struct ButlerRequest {
1183 enum PostTransportWork {
1184 PostTransportStop = 0x1,
1185 PostTransportDisableRecord = 0x2,
1186 PostTransportPosition = 0x8,
1187 PostTransportDidRecord = 0x20,
1188 PostTransportDuration = 0x40,
1189 PostTransportLocate = 0x80,
1190 PostTransportRoll = 0x200,
1191 PostTransportAbort = 0x800,
1192 PostTransportOverWrite = 0x1000,
1193 PostTransportSpeed = 0x2000,
1194 PostTransportAudition = 0x4000,
1195 PostTransportScrub = 0x8000,
1196 PostTransportReverse = 0x10000,
1197 PostTransportInputChange = 0x20000,
1198 PostTransportCurveRealloc = 0x40000
1201 static const PostTransportWork ProcessCannotProceedMask =
1202 PostTransportWork (PostTransportInputChange|
1204 PostTransportReverse|
1205 PostTransportCurveRealloc|
1207 PostTransportAudition|
1208 PostTransportLocate|
1211 PostTransportWork post_transport_work;
1213 void summon_butler ();
1214 void schedule_butler_transport_work ();
1215 int start_butler_thread ();
1216 void terminate_butler_thread ();
1217 static void *_butler_thread_work (void *arg);
1218 void* butler_thread_work ();
1220 uint32_t cumulative_rf_motion;
1223 void set_rf_speed (float speed);
1224 void reset_rf_scale (jack_nframes_t frames_moved);
1226 Locations _locations;
1227 void locations_changed ();
1228 void locations_added (Location*);
1229 void handle_locations_changed (Locations::LocationList&);
1231 sigc::connection auto_punch_start_changed_connection;
1232 sigc::connection auto_punch_end_changed_connection;
1233 sigc::connection auto_punch_changed_connection;
1234 void auto_punch_start_changed (Location *);
1235 void auto_punch_end_changed (Location *);
1236 void auto_punch_changed (Location *);
1238 sigc::connection auto_loop_start_changed_connection;
1239 sigc::connection auto_loop_end_changed_connection;
1240 sigc::connection auto_loop_changed_connection;
1241 void auto_loop_changed (Location *);
1243 typedef list<Event *> Events;
1245 Events immediate_events;
1246 Events::iterator next_event;
1248 /* there can only ever be one of each of these */
1250 Event *auto_loop_event;
1251 Event *punch_out_event;
1252 Event *punch_in_event;
1256 void dump_events () const;
1257 void queue_event (Event *ev);
1258 void merge_event (Event*);
1259 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1260 bool _replace_event (Event*);
1261 bool _remove_event (Event *);
1262 void _clear_event_type (Event::Type);
1264 void first_stage_init (string path, string snapshot_name);
1265 int second_stage_init (bool new_tracks);
1266 void find_current_end ();
1267 void remove_empty_sounds ();
1269 void setup_midi_control ();
1270 int midi_read (MIDI::Port *);
1272 void enable_record ();
1274 void increment_transport_position (uint32_t val) {
1275 if (max_frames - val < _transport_frame) {
1276 _transport_frame = max_frames;
1278 _transport_frame += val;
1282 void decrement_transport_position (uint32_t val) {
1283 if (val < _transport_frame) {
1284 _transport_frame -= val;
1286 _transport_frame = 0;
1290 void post_transport_motion ();
1291 static void *session_loader_thread (void *arg);
1295 void set_next_event ();
1296 void process_event (Event *);
1298 /* MIDI Machine Control */
1300 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1301 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1302 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1304 void spp_start (MIDI::Parser&);
1305 void spp_continue (MIDI::Parser&);
1306 void spp_stop (MIDI::Parser&);
1308 void mmc_deferred_play (MIDI::MachineControl &);
1309 void mmc_stop (MIDI::MachineControl &);
1310 void mmc_step (MIDI::MachineControl &, int);
1311 void mmc_pause (MIDI::MachineControl &);
1312 void mmc_record_pause (MIDI::MachineControl &);
1313 void mmc_record_strobe (MIDI::MachineControl &);
1314 void mmc_record_exit (MIDI::MachineControl &);
1315 void mmc_track_record_status (MIDI::MachineControl &,
1316 uint32_t track, bool enabled);
1317 void mmc_fast_forward (MIDI::MachineControl &);
1318 void mmc_rewind (MIDI::MachineControl &);
1319 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1320 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1321 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1323 struct timeval last_mmc_step;
1326 typedef sigc::slot<bool> MidiTimeoutCallback;
1327 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1329 MidiTimeoutList midi_timeouts;
1330 bool mmc_step_timeout ();
1332 MIDI::byte mmc_buffer[32];
1333 MIDI::byte mtc_msg[16];
1334 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1335 MIDI::byte midi_msg[16];
1336 jack_nframes_t outbound_mtc_smpte_frame;
1337 SMPTE::Time transmitting_smpte_time;
1338 int next_quarter_frame_to_send;
1340 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1341 jack_nframes_t _frames_per_hour;
1342 jack_nframes_t _smpte_frames_per_hour;
1343 jack_nframes_t _smpte_offset;
1344 bool _smpte_offset_negative;
1346 /* cache the most-recently requested time conversions.
1347 this helps when we have multiple clocks showing the
1348 same time (e.g. the transport frame)
1351 bool last_smpte_valid;
1352 jack_nframes_t last_smpte_when;
1353 SMPTE::Time last_smpte;
1355 int send_full_time_code ();
1356 int send_midi_time_code ();
1358 void send_full_time_code_in_another_thread ();
1359 void send_midi_time_code_in_another_thread ();
1360 void send_time_code_in_another_thread (bool full);
1361 void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1363 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1365 void reset_record_status ();
1367 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1369 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1370 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1372 struct MIDIRequest {
1385 MIDI::MachineControl::Command mmc_cmd;
1386 jack_nframes_t locate_frame;
1388 // for SendMessage type
1391 MIDI::channel_t chan;
1393 MIDI::EventTwoBytes data;
1404 void *operator new(size_t ignored) {
1405 return pool.alloc ();
1408 void operator delete(void *ptr, size_t size) {
1413 static MultiAllocSingleReleasePool pool;
1416 Glib::Mutex midi_lock;
1417 pthread_t midi_thread;
1418 int midi_request_pipe[2];
1419 mutable gint butler_active;
1420 RingBuffer<MIDIRequest*> midi_requests;
1422 int start_midi_thread ();
1423 void terminate_midi_thread ();
1424 void poke_midi_thread ();
1425 static void *_midi_thread_work (void *arg);
1426 void midi_thread_work ();
1427 void change_midi_ports ();
1428 int use_config_midi_ports ();
1430 bool waiting_to_start;
1432 void set_auto_loop (bool yn);
1433 void overwrite_some_buffers (AudioDiskstream*);
1434 void flush_all_redirects ();
1435 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1436 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1437 void force_locate (jack_nframes_t frame, bool with_roll = false);
1438 void set_diskstream_speed (AudioDiskstream*, float speed);
1439 void set_transport_speed (float speed, bool abort = false);
1440 void stop_transport (bool abort = false);
1441 void start_transport ();
1442 void actually_start_transport ();
1443 void realtime_stop (bool abort);
1444 void non_realtime_start_scrub ();
1445 void non_realtime_set_speed ();
1446 void non_realtime_stop (bool abort);
1447 void non_realtime_overwrite ();
1448 void non_realtime_buffer_fill ();
1449 void butler_transport_work ();
1450 void post_transport ();
1451 void engine_halted ();
1452 void xrun_recovery ();
1454 TempoMap *_tempo_map;
1455 void tempo_map_changed (Change);
1457 /* edit/mix groups */
1459 int load_route_groups (const XMLNode&, bool is_edit);
1460 int load_edit_groups (const XMLNode&);
1461 int load_mix_groups (const XMLNode&);
1464 list<RouteGroup *> edit_groups;
1465 list<RouteGroup *> mix_groups;
1469 AudioDiskstreamList audio_diskstreams;
1470 mutable Glib::RWLock diskstream_lock;
1471 uint32_t dstream_buffer_size;
1472 void add_diskstream (AudioDiskstream*);
1473 int load_diskstreams (const XMLNode&);
1478 mutable Glib::RWLock route_lock;
1479 void add_route (Route*);
1480 uint32_t destructive_index;
1482 int load_routes (const XMLNode&);
1483 Route* XMLRouteFactory (const XMLNode&);
1488 SoloModel _solo_model;
1489 bool solo_update_disabled;
1490 bool currently_soloing;
1492 void route_mute_changed (void *src);
1493 void route_solo_changed (void *src, Route *);
1494 void catch_up_on_solo ();
1495 void update_route_solo_state ();
1496 void modify_solo_mute (bool, bool);
1497 void strip_portname_for_solo (string& portname);
1499 /* REGION MANAGEMENT */
1501 mutable Glib::Mutex region_lock;
1502 typedef map<ARDOUR::id_t,AudioRegion *> AudioRegionList;
1503 AudioRegionList audio_regions;
1505 void region_renamed (Region *);
1506 void region_changed (Change, Region *);
1507 void add_region (Region *);
1508 void remove_region (Region *);
1510 int load_regions (const XMLNode& node);
1514 mutable Glib::Mutex audio_source_lock;
1515 typedef std::map<id_t, AudioSource *> AudioSourceList;
1517 AudioSourceList audio_sources;
1519 int load_sources (const XMLNode& node);
1520 XMLNode& get_sources_as_xml ();
1522 Source *XMLSourceFactory (const XMLNode&);
1526 mutable Glib::Mutex playlist_lock;
1527 typedef set<Playlist *> PlaylistList;
1528 PlaylistList playlists;
1529 PlaylistList unused_playlists;
1531 int load_playlists (const XMLNode&);
1532 int load_unused_playlists (const XMLNode&);
1533 void remove_playlist (Playlist *);
1534 void track_playlist (Playlist *, bool);
1536 Playlist *playlist_factory (string name);
1537 Playlist *XMLPlaylistFactory (const XMLNode&);
1539 void playlist_length_changed (Playlist *);
1540 void diskstream_playlist_changed (AudioDiskstream *);
1542 /* NAMED SELECTIONS */
1544 mutable Glib::Mutex named_selection_lock;
1545 typedef set<NamedSelection *> NamedSelectionList;
1546 NamedSelectionList named_selections;
1548 int load_named_selections (const XMLNode&);
1550 NamedSelection *named_selection_factory (string name);
1551 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1553 /* DEFAULT FADE CURVES */
1555 float default_fade_steepness;
1556 float default_fade_msecs;
1560 Auditioner *auditioner;
1561 void set_audition (AudioRegion*);
1562 void non_realtime_set_audition ();
1563 AudioRegion *pending_audition_region;
1569 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1571 /* INSERT AND SEND MANAGEMENT */
1573 list<PortInsert *> _port_inserts;
1574 list<PluginInsert *> _plugin_inserts;
1575 list<Send *> _sends;
1577 uint32_t insert_cnt;
1579 void add_redirect (Redirect *);
1580 void remove_redirect (Redirect *);
1584 struct space_and_path {
1585 uint32_t blocks; /* 4kB blocks */
1593 struct space_and_path_ascending_cmp {
1594 bool operator() (space_and_path a, space_and_path b) {
1595 return a.blocks > b.blocks;
1599 void setup_raid_path (string path);
1601 vector<space_and_path> session_dirs;
1602 vector<space_and_path>::iterator last_rr_session_dir;
1603 uint32_t _total_free_4k_blocks;
1604 Glib::Mutex space_lock;
1606 static const char* sound_dir_name;
1607 static const char* tape_dir_name;
1608 static const char* dead_sound_dir_name;
1609 static const char* peak_dir_name;
1611 string discover_best_sound_dir (bool destructive = false);
1612 int ensure_sound_dir (string, string&);
1613 void refresh_disk_space ();
1615 mutable gint _playback_load;
1616 mutable gint _capture_load;
1617 mutable gint _playback_load_min;
1618 mutable gint _capture_load_min;
1620 /* I/O Connections */
1622 typedef list<Connection *> ConnectionList;
1623 mutable Glib::Mutex connection_lock;
1624 ConnectionList _connections;
1625 int load_connections (const XMLNode&);
1627 int set_slave_source (SlaveSource, jack_nframes_t);
1629 void reverse_diskstream_buffers ();
1631 UndoHistory history;
1632 UndoCommand current_cmd;
1634 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1635 GlobalRouteMeterState get_global_route_metering ();
1637 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1638 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1640 void set_global_mute (GlobalRouteBooleanState s, void *src);
1641 void set_global_solo (GlobalRouteBooleanState s, void *src);
1642 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1644 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1645 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1646 void record_enable_change_all (bool yn);
1648 XMLNode& state(bool);
1653 jack_nframes_t start;
1654 jack_nframes_t duration;
1655 jack_nframes_t offset;
1658 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1659 : start (s), duration (d), data (b) { offset = 0; }
1661 void *operator new(size_t ignored) {
1662 return pool.alloc ();
1665 void operator delete(void *ptr, size_t size) {
1673 typedef list<Click*> Clicks;
1679 Sample* click_emphasis_data;
1680 jack_nframes_t click_length;
1681 jack_nframes_t click_emphasis_length;
1682 mutable Glib::RWLock click_lock;
1684 static const Sample default_click[];
1685 static const jack_nframes_t default_click_length;
1686 static const Sample default_click_emphasis[];
1687 static const jack_nframes_t default_click_emphasis_length;
1690 void setup_click_sounds (int which);
1691 void clear_clicks ();
1692 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1694 vector<Route*> master_outs;
1696 EditMode _edit_mode;
1697 EditMode pending_edit_mode;
1699 /* range playback */
1701 list<AudioRange> current_audio_range;
1703 void set_play_range (bool yn);
1704 void setup_auto_play ();
1712 AutoConnectOption input_auto_connect;
1713 AutoConnectOption output_auto_connect;
1715 gain_t* _gain_automation_buffer;
1716 pan_t** _pan_automation_buffer;
1717 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1718 uint32_t _npan_buffers;
1722 long _vst_callback (VSTPlugin*,
1729 /* number of hardware audio ports we're using,
1730 based on max (requested,available)
1733 uint32_t n_physical_outputs;
1734 uint32_t n_physical_inputs;
1736 void remove_pending_capture_state ();
1738 int find_all_sources (std::string path, std::set<std::string>& result);
1739 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1741 LayerModel layer_model;
1742 CrossfadeModel xfade_model;
1745 }; /* namespace ARDOUR */
1747 #endif /* __ardour_session_h__ */