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); // not idempotent
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);
845 void commit_reversible_command (Command* cmd = 0);
847 void add_command (Command *const cmd) {
848 current_trans.add_command (cmd);
851 // these commands are implemented in libs/ardour/session_command.cc
852 class GlobalSoloStateCommand : public Command
854 GlobalRouteBooleanState before, after;
857 GlobalSoloStateCommand(void *src);
860 XMLNode &serialize();
864 class GlobalMuteStateCommand : public Command
866 GlobalRouteBooleanState before, after;
869 GlobalMuteStateCommand(void *src);
872 XMLNode &serialize();
876 class GlobalRecordEnableStateCommand : public Command
878 GlobalRouteBooleanState before, after;
881 GlobalRecordEnableStateCommand(void *src);
884 XMLNode &serialize();
888 class GlobalMeteringStateCommand : public Command
890 GlobalRouteMeterState before, after;
893 GlobalMeteringStateCommand(void *src);
896 XMLNode &serialize();
902 void set_edit_mode (EditMode);
903 EditMode get_edit_mode () const { return _edit_mode; }
907 IO& click_io() { return *_click_io; }
908 void set_clicking (bool yn);
909 bool get_clicking() const;
911 void set_click_sound (string path);
912 void set_click_emphasis_sound (string path);
916 struct TimeStretchRequest {
917 ARDOUR::AudioRegion* region;
918 float fraction; /* session: read ; GUI: write */
919 float progress; /* session: write ; GUI: read */
920 bool running; /* read/write */
921 bool quick_seek; /* GUI: write */
922 bool antialias; /* GUI: write */
924 TimeStretchRequest () : region (0) {}
927 AudioRegion* tempoize_region (TimeStretchRequest&);
929 string raid_path() const;
930 void set_raid_path(string);
932 /* need to call this whenever we change native file formats */
934 void reset_native_file_format();
936 /* disk, buffer loads */
938 uint32_t playback_load ();
939 uint32_t capture_load ();
940 uint32_t playback_load_min ();
941 uint32_t capture_load_min ();
943 void reset_playback_load_min ();
944 void reset_capture_load_min ();
946 float read_data_rate () const;
947 float write_data_rate () const;
951 void set_audio_range (list<AudioRange>&);
952 void set_music_range (list<MusicRange>&);
954 void request_play_range (bool yn);
955 bool get_play_range () const { return _play_range; }
958 typedef vector<string> FavoriteDirs;
960 static int read_favorite_dirs (FavoriteDirs&);
962 static int write_favorite_dirs (FavoriteDirs&);
966 static const char* template_suffix() { return _template_suffix; }
967 static const char* statefile_suffix() { return _statefile_suffix; }
968 static const char* pending_suffix() { return _pending_suffix; }
970 /* buffers for gain and pan */
972 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
973 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
975 /* buffers for conversion */
982 char * conversion_buffer(RunContext context) { return _conversion_buffers[context]; }
986 static long vst_callback (AEffect* effect,
993 typedef float (*compute_peak_t) (Sample *, jack_nframes_t, float);
994 typedef void (*apply_gain_to_buffer_t) (Sample *, jack_nframes_t, float);
995 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, jack_nframes_t, float);
996 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, jack_nframes_t);
998 static compute_peak_t compute_peak;
999 static apply_gain_to_buffer_t apply_gain_to_buffer;
1000 static mix_buffers_with_gain_t mix_buffers_with_gain;
1001 static mix_buffers_no_gain_t mix_buffers_no_gain;
1004 friend class AudioEngine;
1005 void set_block_size (jack_nframes_t nframes);
1006 void set_frame_rate (jack_nframes_t nframes);
1009 friend class AudioDiskstream;
1010 void stop_butler ();
1011 void wait_till_butler_finished();
1015 void schedule_curve_reallocation ();
1016 void update_latency_compensation (bool, bool);
1019 int create (bool& new_session, string* mix_template, jack_nframes_t initial_length);
1021 static const char* _template_suffix;
1022 static const char* _statefile_suffix;
1023 static const char* _pending_suffix;
1026 PendingDeclickIn = 0x1,
1027 PendingDeclickOut = 0x2,
1028 StopPendingCapture = 0x4,
1029 AutoReturning = 0x10,
1030 PendingLocate = 0x20,
1031 PendingSetLoop = 0x40
1034 /* stuff used in process() should be close together to
1038 typedef void (Session::*process_function_type)(jack_nframes_t);
1040 AudioEngine &_engine;
1041 mutable gint processing_prohibited;
1042 process_function_type process_function;
1043 process_function_type last_process_function;
1044 jack_nframes_t _current_frame_rate;
1045 int transport_sub_state;
1046 mutable gint _record_status;
1047 jack_nframes_t _transport_frame;
1048 Location* end_location;
1049 Location* start_location;
1051 SlaveSource _slave_type;
1052 volatile float _transport_speed;
1053 volatile float _desired_transport_speed;
1054 float _last_transport_speed;
1055 jack_nframes_t _last_slave_transport_frame;
1056 jack_nframes_t maximum_output_latency;
1057 jack_nframes_t last_stop_frame;
1058 vector<Sample *> _passthru_buffers;
1059 vector<Sample *> _silent_buffers;
1060 vector<Sample *> _send_buffers;
1061 map<RunContext,char*> _conversion_buffers;
1062 jack_nframes_t current_block_size;
1063 jack_nframes_t _worst_output_latency;
1064 jack_nframes_t _worst_input_latency;
1065 jack_nframes_t _worst_track_latency;
1066 bool _have_captured;
1068 float _meter_falloff;
1069 bool _end_location_is_free;
1071 void set_worst_io_latencies (bool take_lock);
1072 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1073 set_worst_io_latencies (true);
1076 void update_latency_compensation_proxy (void* ignored);
1078 void ensure_passthru_buffers (uint32_t howmany);
1080 void process_scrub (jack_nframes_t);
1081 void process_without_events (jack_nframes_t);
1082 void process_with_events (jack_nframes_t);
1083 void process_audition (jack_nframes_t);
1084 int process_export (jack_nframes_t, ARDOUR::AudioExportSpecification*);
1086 /* slave tracking */
1088 static const int delta_accumulator_size = 25;
1089 int delta_accumulator_cnt;
1090 long delta_accumulator[delta_accumulator_size];
1091 long average_slave_delta;
1093 bool have_first_delta_accumulator;
1101 SlaveState slave_state;
1102 jack_nframes_t slave_wait_end;
1104 void reset_slave_state ();
1105 bool follow_slave (jack_nframes_t, jack_nframes_t);
1108 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1110 void prepare_diskstreams ();
1111 void commit_diskstreams (jack_nframes_t, bool& session_requires_butler);
1112 int process_routes (jack_nframes_t, jack_nframes_t);
1113 int silent_process_routes (jack_nframes_t, jack_nframes_t);
1115 bool get_rec_monitors_input () {
1116 if (actively_recording()) {
1127 int get_transport_declick_required () {
1129 if (transport_sub_state & PendingDeclickIn) {
1130 transport_sub_state &= ~PendingDeclickIn;
1132 } else if (transport_sub_state & PendingDeclickOut) {
1139 bool maybe_stop (jack_nframes_t limit) {
1140 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1147 void check_declick_out ();
1149 MIDI::MachineControl* mmc;
1150 MIDI::Port* _mmc_port;
1151 MIDI::Port* _mtc_port;
1152 MIDI::Port* _midi_port;
1155 bool do_not_record_plugins;
1165 jack_nframes_t last_loopend;
1167 bool crossfades_active;
1176 RingBuffer<Event*> pending_events;
1179 void when_engine_running ();
1180 sigc::connection first_time_running;
1181 void graph_reordered ();
1183 string _current_snapshot_name;
1185 XMLTree* state_tree;
1186 bool state_was_pending;
1187 StateOfTheState _state_of_the_state;
1190 int load_options (const XMLNode&);
1191 XMLNode& get_options () const;
1192 int load_state (string snapshot_name);
1194 jack_nframes_t _last_roll_location;
1195 jack_nframes_t _last_record_location;
1196 bool pending_locate_roll;
1197 jack_nframes_t pending_locate_frame;
1199 bool pending_locate_flush;
1201 bool pending_auto_loop;
1203 Sample* butler_mixdown_buffer;
1204 float* butler_gain_buffer;
1205 pthread_t butler_thread;
1206 Glib::Mutex butler_request_lock;
1207 Glib::Cond butler_paused;
1208 bool butler_should_run;
1209 mutable gint butler_should_do_transport_work;
1210 int butler_request_pipe[2];
1212 struct ButlerRequest {
1221 enum PostTransportWork {
1222 PostTransportStop = 0x1,
1223 PostTransportDisableRecord = 0x2,
1224 PostTransportPosition = 0x8,
1225 PostTransportDidRecord = 0x20,
1226 PostTransportDuration = 0x40,
1227 PostTransportLocate = 0x80,
1228 PostTransportRoll = 0x200,
1229 PostTransportAbort = 0x800,
1230 PostTransportOverWrite = 0x1000,
1231 PostTransportSpeed = 0x2000,
1232 PostTransportAudition = 0x4000,
1233 PostTransportScrub = 0x8000,
1234 PostTransportReverse = 0x10000,
1235 PostTransportInputChange = 0x20000,
1236 PostTransportCurveRealloc = 0x40000
1239 static const PostTransportWork ProcessCannotProceedMask =
1240 PostTransportWork (PostTransportInputChange|
1242 PostTransportReverse|
1243 PostTransportCurveRealloc|
1245 PostTransportAudition|
1246 PostTransportLocate|
1249 PostTransportWork post_transport_work;
1251 void summon_butler ();
1252 void schedule_butler_transport_work ();
1253 int start_butler_thread ();
1254 void terminate_butler_thread ();
1255 static void *_butler_thread_work (void *arg);
1256 void* butler_thread_work ();
1258 uint32_t cumulative_rf_motion;
1261 void set_rf_speed (float speed);
1262 void reset_rf_scale (jack_nframes_t frames_moved);
1264 Locations _locations;
1265 void locations_changed ();
1266 void locations_added (Location*);
1267 void handle_locations_changed (Locations::LocationList&);
1269 sigc::connection auto_punch_start_changed_connection;
1270 sigc::connection auto_punch_end_changed_connection;
1271 sigc::connection auto_punch_changed_connection;
1272 void auto_punch_start_changed (Location *);
1273 void auto_punch_end_changed (Location *);
1274 void auto_punch_changed (Location *);
1276 sigc::connection auto_loop_start_changed_connection;
1277 sigc::connection auto_loop_end_changed_connection;
1278 sigc::connection auto_loop_changed_connection;
1279 void auto_loop_changed (Location *);
1281 typedef list<Event *> Events;
1283 Events immediate_events;
1284 Events::iterator next_event;
1286 /* there can only ever be one of each of these */
1288 Event *auto_loop_event;
1289 Event *punch_out_event;
1290 Event *punch_in_event;
1294 void dump_events () const;
1295 void queue_event (Event *ev);
1296 void merge_event (Event*);
1297 void replace_event (Event::Type, jack_nframes_t action_frame, jack_nframes_t target = 0);
1298 bool _replace_event (Event*);
1299 bool _remove_event (Event *);
1300 void _clear_event_type (Event::Type);
1302 void first_stage_init (string path, string snapshot_name);
1303 int second_stage_init (bool new_tracks);
1304 void find_current_end ();
1305 void remove_empty_sounds ();
1307 void setup_midi_control ();
1308 int midi_read (MIDI::Port *);
1310 void enable_record ();
1312 void increment_transport_position (uint32_t val) {
1313 if (max_frames - val < _transport_frame) {
1314 _transport_frame = max_frames;
1316 _transport_frame += val;
1320 void decrement_transport_position (uint32_t val) {
1321 if (val < _transport_frame) {
1322 _transport_frame -= val;
1324 _transport_frame = 0;
1328 void post_transport_motion ();
1329 static void *session_loader_thread (void *arg);
1333 void set_next_event ();
1334 void process_event (Event *);
1336 /* MIDI Machine Control */
1338 void deliver_mmc (MIDI::MachineControl::Command, jack_nframes_t);
1339 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1340 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1342 void spp_start (MIDI::Parser&);
1343 void spp_continue (MIDI::Parser&);
1344 void spp_stop (MIDI::Parser&);
1346 void mmc_deferred_play (MIDI::MachineControl &);
1347 void mmc_stop (MIDI::MachineControl &);
1348 void mmc_step (MIDI::MachineControl &, int);
1349 void mmc_pause (MIDI::MachineControl &);
1350 void mmc_record_pause (MIDI::MachineControl &);
1351 void mmc_record_strobe (MIDI::MachineControl &);
1352 void mmc_record_exit (MIDI::MachineControl &);
1353 void mmc_track_record_status (MIDI::MachineControl &,
1354 uint32_t track, bool enabled);
1355 void mmc_fast_forward (MIDI::MachineControl &);
1356 void mmc_rewind (MIDI::MachineControl &);
1357 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1358 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1359 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1361 struct timeval last_mmc_step;
1364 typedef sigc::slot<bool> MidiTimeoutCallback;
1365 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1367 MidiTimeoutList midi_timeouts;
1368 bool mmc_step_timeout ();
1370 MIDI::byte mmc_buffer[32];
1371 MIDI::byte mtc_msg[16];
1372 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1373 MIDI::byte midi_msg[16];
1374 jack_nframes_t outbound_mtc_smpte_frame;
1375 SMPTE::Time transmitting_smpte_time;
1376 int next_quarter_frame_to_send;
1378 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1379 jack_nframes_t _frames_per_hour;
1380 jack_nframes_t _smpte_frames_per_hour;
1381 jack_nframes_t _smpte_offset;
1382 bool _smpte_offset_negative;
1384 /* cache the most-recently requested time conversions.
1385 this helps when we have multiple clocks showing the
1386 same time (e.g. the transport frame)
1389 bool last_smpte_valid;
1390 jack_nframes_t last_smpte_when;
1391 SMPTE::Time last_smpte;
1393 int send_full_time_code ();
1394 int send_midi_time_code ();
1396 void send_full_time_code_in_another_thread ();
1397 void send_midi_time_code_in_another_thread ();
1398 void send_time_code_in_another_thread (bool full);
1399 void send_mmc_in_another_thread (MIDI::MachineControl::Command, jack_nframes_t frame = 0);
1401 jack_nframes_t adjust_apparent_position (jack_nframes_t frames);
1403 void reset_record_status ();
1405 int no_roll (jack_nframes_t nframes, jack_nframes_t offset);
1407 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1408 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1410 struct MIDIRequest {
1423 MIDI::MachineControl::Command mmc_cmd;
1424 jack_nframes_t locate_frame;
1426 // for SendMessage type
1429 MIDI::channel_t chan;
1431 MIDI::EventTwoBytes data;
1442 void *operator new(size_t ignored) {
1443 return pool.alloc ();
1446 void operator delete(void *ptr, size_t size) {
1451 static MultiAllocSingleReleasePool pool;
1454 Glib::Mutex midi_lock;
1455 pthread_t midi_thread;
1456 int midi_request_pipe[2];
1457 mutable gint butler_active;
1458 RingBuffer<MIDIRequest*> midi_requests;
1460 int start_midi_thread ();
1461 void terminate_midi_thread ();
1462 void poke_midi_thread ();
1463 static void *_midi_thread_work (void *arg);
1464 void midi_thread_work ();
1465 void change_midi_ports ();
1466 int use_config_midi_ports ();
1468 bool waiting_to_start;
1470 void set_auto_loop (bool yn);
1471 void overwrite_some_buffers (AudioDiskstream*);
1472 void flush_all_redirects ();
1473 void locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1474 void start_locate (jack_nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1475 void force_locate (jack_nframes_t frame, bool with_roll = false);
1476 void set_diskstream_speed (AudioDiskstream*, float speed);
1477 void set_transport_speed (float speed, bool abort = false);
1478 void stop_transport (bool abort = false);
1479 void start_transport ();
1480 void actually_start_transport ();
1481 void realtime_stop (bool abort);
1482 void non_realtime_start_scrub ();
1483 void non_realtime_set_speed ();
1484 void non_realtime_stop (bool abort);
1485 void non_realtime_overwrite ();
1486 void non_realtime_buffer_fill ();
1487 void butler_transport_work ();
1488 void post_transport ();
1489 void engine_halted ();
1490 void xrun_recovery ();
1492 TempoMap *_tempo_map;
1493 void tempo_map_changed (Change);
1495 /* edit/mix groups */
1497 int load_route_groups (const XMLNode&, bool is_edit);
1498 int load_edit_groups (const XMLNode&);
1499 int load_mix_groups (const XMLNode&);
1502 list<RouteGroup *> edit_groups;
1503 list<RouteGroup *> mix_groups;
1507 AudioDiskstreamList audio_diskstreams;
1508 mutable Glib::RWLock diskstream_lock;
1509 uint32_t dstream_buffer_size;
1510 void add_diskstream (AudioDiskstream*);
1511 int load_diskstreams (const XMLNode&);
1516 mutable Glib::RWLock route_lock;
1517 void add_route (Route*);
1518 uint32_t destructive_index;
1520 int load_routes (const XMLNode&);
1521 Route* XMLRouteFactory (const XMLNode&);
1526 SoloModel _solo_model;
1527 bool solo_update_disabled;
1528 bool currently_soloing;
1530 void route_mute_changed (void *src);
1531 void route_solo_changed (void *src, Route *);
1532 void catch_up_on_solo ();
1533 void update_route_solo_state ();
1534 void modify_solo_mute (bool, bool);
1535 void strip_portname_for_solo (string& portname);
1537 /* REGION MANAGEMENT */
1539 mutable Glib::Mutex region_lock;
1540 typedef map<ARDOUR::id_t,AudioRegion *> AudioRegionList;
1541 AudioRegionList audio_regions;
1543 void region_renamed (Region *);
1544 void region_changed (Change, Region *);
1545 void add_region (Region *);
1546 void remove_region (Region *);
1548 int load_regions (const XMLNode& node);
1552 mutable Glib::Mutex audio_source_lock;
1553 typedef std::map<id_t, AudioSource *> AudioSourceList;
1555 AudioSourceList audio_sources;
1557 int load_sources (const XMLNode& node);
1558 XMLNode& get_sources_as_xml ();
1560 Source *XMLSourceFactory (const XMLNode&);
1564 mutable Glib::Mutex playlist_lock;
1565 typedef set<Playlist *> PlaylistList;
1566 PlaylistList playlists;
1567 PlaylistList unused_playlists;
1569 int load_playlists (const XMLNode&);
1570 int load_unused_playlists (const XMLNode&);
1571 void remove_playlist (Playlist *);
1572 void track_playlist (Playlist *, bool);
1574 Playlist *playlist_factory (string name);
1575 Playlist *XMLPlaylistFactory (const XMLNode&);
1577 void playlist_length_changed (Playlist *);
1578 void diskstream_playlist_changed (AudioDiskstream *);
1580 /* NAMED SELECTIONS */
1582 mutable Glib::Mutex named_selection_lock;
1583 typedef set<NamedSelection *> NamedSelectionList;
1584 NamedSelectionList named_selections;
1586 int load_named_selections (const XMLNode&);
1588 NamedSelection *named_selection_factory (string name);
1589 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1591 /* DEFAULT FADE CURVES */
1593 float default_fade_steepness;
1594 float default_fade_msecs;
1598 Auditioner *auditioner;
1599 void set_audition (AudioRegion*);
1600 void non_realtime_set_audition ();
1601 AudioRegion *pending_audition_region;
1607 int flatten_one_track (AudioTrack&, jack_nframes_t start, jack_nframes_t cnt);
1609 /* INSERT AND SEND MANAGEMENT */
1611 list<PortInsert *> _port_inserts;
1612 list<PluginInsert *> _plugin_inserts;
1613 list<Send *> _sends;
1615 uint32_t insert_cnt;
1617 void add_redirect (Redirect *);
1618 void remove_redirect (Redirect *);
1622 struct space_and_path {
1623 uint32_t blocks; /* 4kB blocks */
1631 struct space_and_path_ascending_cmp {
1632 bool operator() (space_and_path a, space_and_path b) {
1633 return a.blocks > b.blocks;
1637 void setup_raid_path (string path);
1639 vector<space_and_path> session_dirs;
1640 vector<space_and_path>::iterator last_rr_session_dir;
1641 uint32_t _total_free_4k_blocks;
1642 Glib::Mutex space_lock;
1644 static const char* sound_dir_name;
1645 static const char* tape_dir_name;
1646 static const char* dead_sound_dir_name;
1647 static const char* peak_dir_name;
1649 string discover_best_sound_dir (bool destructive = false);
1650 int ensure_sound_dir (string, string&);
1651 void refresh_disk_space ();
1653 mutable gint _playback_load;
1654 mutable gint _capture_load;
1655 mutable gint _playback_load_min;
1656 mutable gint _capture_load_min;
1658 /* I/O Connections */
1660 typedef list<Connection *> ConnectionList;
1661 mutable Glib::Mutex connection_lock;
1662 ConnectionList _connections;
1663 int load_connections (const XMLNode&);
1665 int set_slave_source (SlaveSource, jack_nframes_t);
1667 void reverse_diskstream_buffers ();
1669 UndoHistory history;
1670 UndoTransaction current_trans;
1672 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1673 GlobalRouteMeterState get_global_route_metering ();
1675 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1676 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1678 void set_global_mute (GlobalRouteBooleanState s, void *src);
1679 void set_global_solo (GlobalRouteBooleanState s, void *src);
1680 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1682 void jack_timebase_callback (jack_transport_state_t, jack_nframes_t, jack_position_t*, int);
1683 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1684 void record_enable_change_all (bool yn);
1686 XMLNode& state(bool);
1691 jack_nframes_t start;
1692 jack_nframes_t duration;
1693 jack_nframes_t offset;
1696 Click (jack_nframes_t s, jack_nframes_t d, const Sample *b)
1697 : start (s), duration (d), data (b) { offset = 0; }
1699 void *operator new(size_t ignored) {
1700 return pool.alloc ();
1703 void operator delete(void *ptr, size_t size) {
1711 typedef list<Click*> Clicks;
1717 Sample* click_emphasis_data;
1718 jack_nframes_t click_length;
1719 jack_nframes_t click_emphasis_length;
1720 mutable Glib::RWLock click_lock;
1722 static const Sample default_click[];
1723 static const jack_nframes_t default_click_length;
1724 static const Sample default_click_emphasis[];
1725 static const jack_nframes_t default_click_emphasis_length;
1728 void setup_click_sounds (int which);
1729 void clear_clicks ();
1730 void click (jack_nframes_t start, jack_nframes_t nframes, jack_nframes_t offset);
1732 vector<Route*> master_outs;
1734 EditMode _edit_mode;
1735 EditMode pending_edit_mode;
1737 /* range playback */
1739 list<AudioRange> current_audio_range;
1741 void set_play_range (bool yn);
1742 void setup_auto_play ();
1750 AutoConnectOption input_auto_connect;
1751 AutoConnectOption output_auto_connect;
1753 gain_t* _gain_automation_buffer;
1754 pan_t** _pan_automation_buffer;
1755 void allocate_pan_automation_buffers (jack_nframes_t nframes, uint32_t howmany, bool force);
1756 uint32_t _npan_buffers;
1760 long _vst_callback (VSTPlugin*,
1767 /* number of hardware audio ports we're using,
1768 based on max (requested,available)
1771 uint32_t n_physical_outputs;
1772 uint32_t n_physical_inputs;
1774 void remove_pending_capture_state ();
1776 int find_all_sources (std::string path, std::set<std::string>& result);
1777 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1779 LayerModel layer_model;
1780 CrossfadeModel xfade_model;
1783 }; /* namespace ARDOUR */
1785 #endif /* __ardour_session_h__ */