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.
20 #ifndef __ardour_session_h__
21 #define __ardour_session_h__
31 #include <boost/weak_ptr.hpp>
32 #include <boost/dynamic_bitset.hpp>
38 #include <glibmm/thread.h>
40 #include <pbd/error.h>
44 #include <pbd/statefuldestructible.h>
46 #include <midi++/types.h>
47 #include <midi++/mmc.h>
49 #include <pbd/stateful.h>
50 #include <pbd/destructible.h>
52 #include <ardour/ardour.h>
53 #include <ardour/configuration.h>
54 #include <ardour/location.h>
55 #include <ardour/gain.h>
56 #include <ardour/io.h>
76 class AudioDiskstream;
81 class AudioFileSource;
96 class ControlProtocolInfo;
98 struct AudioExportSpecification;
106 class Session : public PBD::StatefulDestructible
110 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
111 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
112 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
113 typedef vector<RouteMeterState> GlobalRouteMeterState;
137 InputConfigurationChange,
141 /* only one of each of these events
142 can be queued at any one time
158 nframes_t action_frame;
159 nframes_t target_frame;
165 nframes_t target2_frame;
169 boost::shared_ptr<Region> region;
171 list<AudioRange> audio_range;
172 list<MusicRange> music_range;
174 Event(Type t, Action a, nframes_t when, nframes_t where, float spd, bool yn = false)
178 target_frame (where),
182 void set_ptr (void* p) {
186 bool before (const Event& other) const {
187 return action_frame < other.action_frame;
190 bool after (const Event& other) const {
191 return action_frame > other.action_frame;
194 static bool compare (const Event *e1, const Event *e2) {
195 return e1->before (*e2);
198 void *operator new (size_t ignored) {
199 return pool.alloc ();
202 void operator delete(void *ptr, size_t size) {
206 static const nframes_t Immediate = 0;
209 static MultiAllocSingleReleasePool pool;
212 /* creating from an XML file */
214 Session (AudioEngine&,
215 const string& fullpath,
216 const string& snapshot_name,
217 string mix_template = "");
219 /* creating a new Session */
221 Session (AudioEngine&,
223 string snapshot_name,
224 AutoConnectOption input_auto_connect,
225 AutoConnectOption output_auto_connect,
226 uint32_t control_out_channels,
227 uint32_t master_out_channels,
228 uint32_t n_physical_in,
229 uint32_t n_physical_out,
230 nframes_t initial_length);
235 static int find_session (string str, string& path, string& snapshot, bool& isnew);
237 string path() const { return _path; }
238 string name() const { return _name; }
239 string snap_name() const { return _current_snapshot_name; }
240 string raid_path () const;
241 string export_dir () const;
243 void set_snap_name ();
245 bool writable() const { return _writable; }
248 bool dirty() const { return _state_of_the_state & Dirty; }
249 void set_deletion_in_progress ();
250 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
251 sigc::signal<void> DirtyChanged;
253 static sigc::signal<void> AutoBindingOn;
254 static sigc::signal<void> AutoBindingOff;
256 static sigc::signal<void,std::string> Dialog;
258 std::string sound_dir (bool with_path = true) const;
259 std::string peak_dir () const;
260 std::string dead_sound_dir () const;
261 std::string automation_dir () const;
262 std::string analysis_dir() const;
264 int ensure_subdirs ();
266 Glib::ustring peak_path (Glib::ustring) const;
268 static string suffixed_search_path (std::string suffix, bool data);
269 static string control_protocol_path ();
270 static string template_path ();
271 static string route_template_path ();
272 static string template_dir ();
273 static string route_template_dir ();
274 static void get_template_list (std::list<std::string>&);
276 struct RouteTemplateInfo {
281 static void get_route_templates (std::vector<RouteTemplateInfo>&);
283 static string change_audio_path_by_name (string oldpath, string oldname, string newname, bool destructive);
284 string audio_path_from_name (string, uint32_t nchans, uint32_t chan, bool destructive);
286 void process (nframes_t nframes);
288 vector<Sample*>& get_passthru_buffers() { return _passthru_buffers; }
289 vector<Sample*>& get_silent_buffers (uint32_t howmany);
290 vector<Sample*>& get_send_buffers () { return _send_buffers; }
292 void add_diskstream (boost::shared_ptr<Diskstream>);
293 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
294 boost::shared_ptr<Diskstream> diskstream_by_name (string name);
296 bool have_captured() const { return _have_captured; }
298 void refill_all_diskstream_buffers ();
299 uint32_t diskstream_buffer_size() const { return dstream_buffer_size; }
301 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
302 uint32_t n_diskstreams() const;
304 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
305 typedef std::list<boost::shared_ptr<Route> > RouteList;
307 boost::shared_ptr<RouteList> get_routes() const {
308 return routes.reader ();
311 uint32_t nroutes() const { return routes.reader()->size(); }
312 uint32_t ntracks () const;
313 uint32_t nbusses () const;
315 struct RoutePublicOrderSorter {
316 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
319 void sync_order_keys (const char* base);
321 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
322 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
323 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
325 boost::shared_ptr<Route> route_by_name (string);
326 boost::shared_ptr<Route> route_by_id (PBD::ID);
327 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
329 bool route_name_unique (string) const;
331 bool get_record_enabled() const {
332 return (record_status () >= Enabled);
335 RecordState record_status() const {
336 return (RecordState) g_atomic_int_get (&_record_status);
339 bool actively_recording () {
340 return record_status() == Recording;
343 bool record_enabling_legal () const;
344 void maybe_enable_record ();
345 void disable_record (bool rt_context, bool force = false);
346 void step_back_from_record ();
348 void maybe_write_autosave ();
350 /* Proxy signal for region hidden changes */
352 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
354 /* Emitted when all i/o connections are complete */
356 sigc::signal<void> IOConnectionsComplete;
358 /* Record status signals */
360 sigc::signal<void> RecordStateChanged;
362 /* Transport mechanism signals */
364 sigc::signal<void> TransportStateChange; /* generic */
365 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
366 sigc::signal<void> DurationChanged;
367 sigc::signal<void,nframes_t> Xrun;
368 sigc::signal<void> TransportLooped;
370 sigc::signal<void,RouteList&> RouteAdded;
372 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
373 void request_bounded_roll (nframes_t start, nframes_t end);
374 void request_stop (bool abort = false);
375 void request_locate (nframes_t frame, bool with_roll = false);
377 void request_play_loop (bool yn, bool leave_rolling = false);
378 bool get_play_loop () const { return play_loop; }
380 nframes_t last_transport_start() const { return _last_roll_location; }
381 void goto_end () { request_locate (end_location->start(), false);}
382 void goto_start () { request_locate (start_location->start(), false); }
383 void set_session_start (nframes_t start) { start_location->set_start(start); }
384 void set_session_end (nframes_t end) { end_location->set_start(end); _end_location_is_free = false; }
385 void use_rf_shuttle_speed ();
386 void allow_auto_play (bool yn);
387 void request_transport_speed (float speed);
388 void request_overwrite_buffer (Diskstream*);
389 void request_diskstream_speed (Diskstream&, float speed);
390 void request_input_change_handling ();
392 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
393 bool transport_locked () const;
397 int remove_region_from_region_list (boost::shared_ptr<Region>);
399 nframes_t get_maximum_extent () const;
400 nframes_t current_end_frame() const { return end_location->start(); }
401 nframes_t current_start_frame() const { return start_location->start(); }
402 // "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
403 nframes_t frame_rate() const { return _current_frame_rate; }
404 // "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
405 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
406 nframes_t frames_per_hour() const { return _frames_per_hour; }
408 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
409 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
411 MIDI::byte get_mtc_smpte_bits() const {
412 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
415 float smpte_frames_per_second() const;
416 bool smpte_drop_frames() const;
420 Locations *locations() { return &_locations; }
422 sigc::signal<void,Location*> auto_loop_location_changed;
423 sigc::signal<void,Location*> auto_punch_location_changed;
424 sigc::signal<void> locations_modified;
426 void set_auto_punch_location (Location *);
427 void set_auto_loop_location (Location *);
428 int location_name(string& result, string base = string(""));
430 void reset_input_monitor_state ();
432 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
433 void remove_event (nframes_t frame, Event::Type type);
434 void clear_events (Event::Type type);
436 nframes_t get_block_size() const { return current_block_size; }
437 nframes_t worst_output_latency () const { return _worst_output_latency; }
438 nframes_t worst_input_latency () const { return _worst_input_latency; }
439 nframes_t worst_track_latency () const { return _worst_track_latency; }
441 int save_state (string snapshot_name, bool pending = false);
442 int restore_state (string snapshot_name);
443 int save_template (string template_name);
444 int save_history (string snapshot_name = "");
445 int restore_history (string snapshot_name);
446 void remove_state (string snapshot_name);
447 void rename_state (string old_name, string new_name);
448 void remove_pending_capture_state ();
450 static int rename_template (string old_name, string new_name);
451 static int delete_template (string name);
453 sigc::signal<void,string> StateSaved;
454 sigc::signal<void> StateReady;
456 vector<string*>* possible_states() const;
457 static vector<string*>* possible_states(string path);
459 XMLNode& get_state();
460 int set_state(const XMLNode& node); // not idempotent
461 XMLNode& get_template();
463 void add_instant_xml (XMLNode&, const std::string& dir);
465 enum StateOfTheState {
470 InitialConnecting = 0x8,
475 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
477 RouteGroup* add_edit_group (string);
478 RouteGroup* add_mix_group (string);
480 void remove_edit_group (RouteGroup&);
481 void remove_mix_group (RouteGroup&);
483 RouteGroup *mix_group_by_name (string);
484 RouteGroup *edit_group_by_name (string);
486 sigc::signal<void,RouteGroup*> edit_group_added;
487 sigc::signal<void,RouteGroup*> mix_group_added;
488 sigc::signal<void> edit_group_removed;
489 sigc::signal<void> mix_group_removed;
491 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
492 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
497 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
498 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
503 /* fundamental operations. duh. */
505 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
506 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
507 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
509 /* this is a hack put in to support work on video tracks by Robin Gareus. Nobody
510 should assume that this works yet (February 2009)
513 boost::shared_ptr<Route> new_video_track (string name);
515 void remove_route (boost::shared_ptr<Route>);
517 void resort_routes ();
518 void resort_routes_using (boost::shared_ptr<RouteList>);
520 void set_remote_control_ids();
522 AudioEngine &engine() { return _engine; };
529 nframes_t transport_frame () const {return _transport_frame; }
530 nframes_t audible_frame () const;
531 nframes64_t requested_return_frame() const { return _requested_return_frame; }
545 int set_smpte_format (SmpteFormat);
546 void sync_time_vars();
548 void bbt_time (nframes_t when, BBT_Time&);
549 void smpte_to_sample( SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes ) const;
550 void sample_to_smpte( nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes ) const;
551 void smpte_time (SMPTE::Time &);
552 void smpte_time (nframes_t when, SMPTE::Time&);
553 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
555 void smpte_duration (nframes_t, SMPTE::Time&) const;
556 void smpte_duration_string (char *, nframes_t) const;
558 void set_smpte_offset (nframes_t);
559 nframes_t smpte_offset () const { return _smpte_offset; }
560 void set_smpte_offset_negative (bool);
561 bool smpte_offset_negative () const { return _smpte_offset_negative; }
563 nframes_t convert_to_frames_at (nframes_t position, AnyTime&);
565 static sigc::signal<void> StartTimeChanged;
566 static sigc::signal<void> EndTimeChanged;
567 static sigc::signal<void> SMPTEOffsetChanged;
569 void request_slave_source (SlaveSource);
570 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
572 float transport_speed() const { return _transport_speed; }
573 bool transport_stopped() const { return _transport_speed == 0.0f; }
574 bool transport_rolling() const { return _transport_speed != 0.0f; }
576 void set_silent (bool yn);
577 bool silent () { return _silent; }
579 int jack_slave_sync (nframes_t);
581 TempoMap& tempo_map() { return *_tempo_map; }
585 void add_regions (std::vector<boost::shared_ptr<Region> >&);
587 sigc::signal<void,boost::weak_ptr<AudioRegion> > AudioRegionAdded;
588 sigc::signal<void,std::vector<boost::weak_ptr<AudioRegion> >& > AudioRegionsAdded;
589 sigc::signal<void,boost::weak_ptr<AudioRegion> > AudioRegionRemoved;
591 int region_name (string& result, string base = string(""), bool newlevel = false);
592 string new_region_name (string);
593 string path_from_region_name (string name, string identifier);
595 boost::shared_ptr<AudioRegion> find_whole_file_parent (boost::shared_ptr<AudioRegion const>);
596 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
598 boost::shared_ptr<AudioRegion> XMLRegionFactory (const XMLNode&, bool full);
600 template<class T> void foreach_audio_region (T *obj, void (T::*func)(boost::shared_ptr<AudioRegion>));
602 /* source management */
604 struct import_status : public InterThreadInfo {
611 volatile bool freeze;
612 std::vector<Glib::ustring> paths;
613 bool replace_existing_source;
619 void import_audiofiles (import_status&);
620 bool sample_rate_convert (import_status&, string infile, string& outfile);
621 string build_tmp_convert_name (string file);
623 SlaveSource post_export_slave;
624 nframes_t post_export_position;
627 int start_audio_export (ARDOUR::AudioExportSpecification&);
628 int stop_audio_export (ARDOUR::AudioExportSpecification&);
629 void finalize_audio_export ();
630 static sigc::signal<void, std::string, std::string> Exported;
632 void add_source (boost::shared_ptr<Source>);
633 void remove_source (boost::weak_ptr<Source>);
635 struct cleanup_report {
636 vector<string> paths;
640 int cleanup_sources (cleanup_report&);
641 int cleanup_trash_sources (cleanup_report&);
643 int destroy_region (boost::shared_ptr<Region>);
644 int destroy_regions (std::list<boost::shared_ptr<Region> >);
646 int remove_last_capture ();
648 /* handlers should return -1 for "stop cleanup", 0 for
649 "yes, delete this playlist" and 1 for "no, don't delete
653 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
655 /* handlers should return 0 for "ignore the rate mismatch"
656 and !0 for "do not use this session"
659 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
661 class SRMismatchRejected : public std::exception {
663 SRMismatchRejected () {}
664 const char* what() const throw() { return "Sample rate mismatch rejected"; }
667 /* handlers should return !0 for use pending state, 0 for
671 static sigc::signal<int> AskAboutPendingState;
673 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
675 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
676 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
678 /* playlist management */
680 boost::shared_ptr<Playlist> playlist_by_name (string name);
681 void add_playlist (boost::shared_ptr<Playlist>);
682 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
683 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
685 uint32_t n_playlists() const;
687 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
688 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
690 /* named selections */
692 NamedSelection* named_selection_by_name (string name);
693 void add_named_selection (NamedSelection *);
694 void remove_named_selection (NamedSelection *);
696 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
697 sigc::signal<void> NamedSelectionAdded;
698 sigc::signal<void> NamedSelectionRemoved;
700 /* Curves and AutomationLists (TODO when they go away) */
701 void add_curve(Curve*);
702 void add_automation_list(AutomationList*);
706 float get_default_fade_length () const { return default_fade_msecs; }
707 float get_default_fade_steepness () const { return default_fade_steepness; }
708 void set_default_fade (float steepness, float msecs);
712 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
713 void audition_playlist ();
714 void audition_region (boost::shared_ptr<Region>);
715 void cancel_audition ();
716 bool is_auditioning () const;
718 sigc::signal<void,bool> AuditionActive;
720 /* flattening stuff */
722 boost::shared_ptr<Region> write_one_audio_track (AudioTrack&, nframes_t start, nframes_t end, bool overwrite, vector<boost::shared_ptr<AudioSource> >&, InterThreadInfo& wot, bool enable_processing = true);
723 int freeze (InterThreadInfo&);
725 /* session-wide solo/mute/rec-enable */
727 bool soloing() const { return currently_soloing; }
729 void set_all_solo (bool);
730 void set_all_mute (bool);
732 sigc::signal<void,bool> SoloActive;
733 sigc::signal<void> SoloChanged;
735 void record_disenable_all ();
736 void record_enable_all ();
738 /* control/master out */
740 boost::shared_ptr<IO> control_out() const { return _control_out; }
741 boost::shared_ptr<IO> master_out() const { return _master_out; }
743 /* insert/send management */
745 uint32_t n_port_inserts() const { return _port_inserts.size(); }
746 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
747 uint32_t n_sends() const { return _sends.size(); }
749 static void set_disable_all_loaded_plugins (bool yn) {
750 _disable_all_loaded_plugins = yn;
752 static bool get_disable_all_loaded_plugins() {
753 return _disable_all_loaded_plugins;
756 uint32_t next_send_id();
757 uint32_t next_insert_id();
758 void mark_send_id (uint32_t);
759 void mark_insert_id (uint32_t);
761 /* s/w "RAID" management */
763 nframes_t available_capture_duration();
765 /* I/O Connections */
767 template<class T> void foreach_connection (T *obj, void (T::*func)(Connection *));
768 void add_connection (Connection *);
769 void remove_connection (Connection *);
770 Connection *connection_by_name (string) const;
772 sigc::signal<void,Connection *> ConnectionAdded;
773 sigc::signal<void,Connection *> ConnectionRemoved;
777 int set_mtc_port (string port_tag);
778 int set_mmc_port (string port_tag);
779 int set_midi_port (string port_tag);
780 MIDI::Port *mtc_port() const { return _mtc_port; }
781 MIDI::Port *mmc_port() const { return _mmc_port; }
782 MIDI::Port *midi_port() const { return _midi_port; }
784 sigc::signal<void> MTC_PortChanged;
785 sigc::signal<void> MMC_PortChanged;
786 sigc::signal<void> MIDI_PortChanged;
788 void set_trace_midi_input (bool, MIDI::Port* port = 0);
789 void set_trace_midi_output (bool, MIDI::Port* port = 0);
791 bool get_trace_midi_input(MIDI::Port *port = 0);
792 bool get_trace_midi_output(MIDI::Port *port = 0);
794 void send_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
796 void deliver_midi (MIDI::Port*, MIDI::byte*, int32_t size);
798 void set_mmc_receive_device_id (uint32_t id);
799 void set_mmc_send_device_id (uint32_t id);
803 void start_scrub (nframes_t where);
805 void set_scrub_speed (float);
806 nframes_t scrub_buffer_size() const;
807 sigc::signal<void> ScrubReady;
809 /* History (for editors, mixers, UIs etc.) */
811 void undo (uint32_t n) {
815 void redo (uint32_t n) {
819 UndoHistory& history() { return _history; }
821 uint32_t undo_depth() const { return _history.undo_depth(); }
822 uint32_t redo_depth() const { return _history.redo_depth(); }
823 string next_undo() const { return _history.next_undo(); }
824 string next_redo() const { return _history.next_redo(); }
826 void begin_reversible_command (string cmd_name);
827 void commit_reversible_command (Command* cmd = 0);
829 void add_command (Command *const cmd) {
830 current_trans->add_command (cmd);
833 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
835 // these commands are implemented in libs/ardour/session_command.cc
836 Command* memento_command_factory(XMLNode* n);
837 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
839 Command* global_state_command_factory (const XMLNode& n);
841 class GlobalRouteStateCommand : public Command
844 GlobalRouteStateCommand (Session&, void*);
845 GlobalRouteStateCommand (Session&, const XMLNode& node);
846 int set_state (const XMLNode&);
847 XMLNode& get_state ();
850 GlobalRouteBooleanState before, after;
856 class GlobalSoloStateCommand : public GlobalRouteStateCommand
859 GlobalSoloStateCommand (Session &, void *src);
860 GlobalSoloStateCommand (Session&, const XMLNode&);
861 void operator()(); //redo
863 XMLNode &get_state();
867 class GlobalMuteStateCommand : public GlobalRouteStateCommand
870 GlobalMuteStateCommand(Session &, void *src);
871 GlobalMuteStateCommand (Session&, const XMLNode&);
872 void operator()(); // redo
874 XMLNode &get_state();
878 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
881 GlobalRecordEnableStateCommand(Session &, void *src);
882 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
883 void operator()(); // redo
885 XMLNode &get_state();
889 class GlobalMeteringStateCommand : public Command
892 GlobalMeteringStateCommand(Session &, void *src);
893 GlobalMeteringStateCommand (Session&, const XMLNode&);
896 XMLNode &get_state();
897 int set_state (const XMLNode&);
903 GlobalRouteMeterState before;
904 GlobalRouteMeterState after;
909 boost::shared_ptr<IO> click_io() { return _click_io; }
911 /* disk, buffer loads */
913 uint32_t playback_load ();
914 uint32_t capture_load ();
915 uint32_t playback_load_min ();
916 uint32_t capture_load_min ();
918 void reset_playback_load_min ();
919 void reset_capture_load_min ();
921 float read_data_rate () const; // in usec
922 float write_data_rate () const;
926 void set_audio_range (list<AudioRange>&);
927 void set_music_range (list<MusicRange>&);
929 void request_play_range (bool yn, bool leave_rolling = false);
930 bool get_play_range () const { return _play_range; }
933 typedef vector<string> FavoriteDirs;
935 static int read_favorite_dirs (FavoriteDirs&);
937 static int write_favorite_dirs (FavoriteDirs&);
941 static const char* template_suffix() { return _template_suffix; }
942 static const char* statefile_suffix() { return _statefile_suffix; }
943 static const char* pending_suffix() { return _pending_suffix; }
945 /* buffers for gain and pan */
947 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
948 pan_t** pan_automation_buffer() const { return _pan_automation_buffer; }
950 /* buffers for conversion */
959 static long vst_callback (AEffect* effect,
966 typedef float (*compute_peak_t) (Sample *, nframes_t, float);
967 typedef void (*find_peaks_t) (Sample *, nframes_t, float *, float*);
968 typedef void (*apply_gain_to_buffer_t) (Sample *, nframes_t, float);
969 typedef void (*mix_buffers_with_gain_t) (Sample *, Sample *, nframes_t, float);
970 typedef void (*mix_buffers_no_gain_t) (Sample *, Sample *, nframes_t);
972 static compute_peak_t compute_peak;
973 static find_peaks_t find_peaks;
974 static apply_gain_to_buffer_t apply_gain_to_buffer;
975 static mix_buffers_with_gain_t mix_buffers_with_gain;
976 static mix_buffers_no_gain_t mix_buffers_no_gain;
978 static sigc::signal<void> SendFeedback;
982 PBD::Controllable* controllable_by_id (const PBD::ID&);
984 void add_controllable (PBD::Controllable*);
985 void remove_controllable (PBD::Controllable*);
988 friend class AudioEngine;
989 void set_block_size (nframes_t nframes);
990 void set_frame_rate (nframes_t nframes);
993 friend class Diskstream;
995 void wait_till_butler_finished();
999 void schedule_curve_reallocation ();
1000 void update_latency_compensation (bool, bool);
1003 int create (bool& new_session, const string& mix_template, nframes_t initial_length);
1006 nframes_t compute_initial_length ();
1010 static const char* _template_suffix;
1011 static const char* _statefile_suffix;
1012 static const char* _pending_suffix;
1015 PendingDeclickIn = 0x1,
1016 PendingDeclickOut = 0x2,
1017 StopPendingCapture = 0x4,
1018 AutoReturning = 0x10,
1019 PendingLocate = 0x20,
1020 PendingSetLoop = 0x40
1023 /* stuff used in process() should be close together to
1027 typedef void (Session::*process_function_type)(nframes_t);
1029 AudioEngine& _engine;
1030 mutable gint processing_prohibited;
1031 process_function_type process_function;
1032 process_function_type last_process_function;
1033 bool waiting_for_sync_offset;
1034 nframes_t _base_frame_rate;
1035 nframes_t _current_frame_rate; //this includes video pullup offset
1036 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1037 int transport_sub_state;
1038 mutable gint _record_status;
1039 volatile nframes_t _transport_frame;
1040 Location* end_location;
1041 Location* start_location;
1044 volatile float _transport_speed;
1045 volatile float _desired_transport_speed;
1046 float _last_transport_speed;
1047 bool auto_play_legal;
1048 nframes_t _last_slave_transport_frame;
1049 nframes_t maximum_output_latency;
1050 nframes_t last_stop_frame;
1051 volatile nframes64_t _requested_return_frame;
1052 vector<Sample *> _passthru_buffers;
1053 vector<Sample *> _silent_buffers;
1054 vector<Sample *> _send_buffers;
1055 nframes_t current_block_size;
1056 nframes_t _worst_output_latency;
1057 nframes_t _worst_input_latency;
1058 nframes_t _worst_track_latency;
1059 bool _have_captured;
1061 float _meter_falloff;
1062 bool _end_location_is_free;
1064 void set_worst_io_latencies ();
1065 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1066 set_worst_io_latencies ();
1069 void update_latency_compensation_proxy (void* ignored);
1071 void ensure_passthru_buffers (uint32_t howmany);
1073 void process_scrub (nframes_t);
1074 void process_without_events (nframes_t);
1075 void process_with_events (nframes_t);
1076 void process_audition (nframes_t);
1077 int process_export (nframes_t, ARDOUR::AudioExportSpecification*);
1079 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1080 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1081 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1083 /* slave tracking */
1085 static const int delta_accumulator_size = 25;
1086 int delta_accumulator_cnt;
1087 long delta_accumulator[delta_accumulator_size];
1088 long average_slave_delta;
1090 bool have_first_delta_accumulator;
1098 SlaveState slave_state;
1099 nframes_t slave_wait_end;
1101 void reset_slave_state ();
1102 bool follow_slave (nframes_t);
1103 void set_slave_source (SlaveSource, bool stop_transport = true);
1106 int prepare_to_export (ARDOUR::AudioExportSpecification&);
1108 void prepare_diskstreams ();
1109 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1110 int process_routes (nframes_t);
1111 int silent_process_routes (nframes_t);
1113 bool get_rec_monitors_input () {
1114 if (actively_recording()) {
1117 if (Config->get_auto_input()) {
1125 int get_transport_declick_required () {
1127 if (transport_sub_state & PendingDeclickIn) {
1128 transport_sub_state &= ~PendingDeclickIn;
1130 } else if (transport_sub_state & PendingDeclickOut) {
1137 bool maybe_stop (nframes_t limit) {
1138 if ((_transport_speed > 0.0f && _transport_frame >= limit) || (_transport_speed < 0.0f && _transport_frame == 0)) {
1145 bool maybe_sync_start (nframes_t&);
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 session_send_mmc;
1156 bool session_send_mtc;
1157 bool session_midi_feedback;
1160 nframes_t last_loopend;
1162 RingBuffer<Event*> pending_events;
1165 void when_engine_running ();
1166 void graph_reordered ();
1168 string _current_snapshot_name;
1170 XMLTree* state_tree;
1171 bool state_was_pending;
1172 StateOfTheState _state_of_the_state;
1175 int load_options (const XMLNode&);
1176 XMLNode& get_options () const;
1177 int load_state (string snapshot_name);
1178 bool save_config_options_predicate (ConfigVariableBase::Owner owner) const;
1180 nframes_t _last_roll_location;
1181 nframes_t _last_record_location;
1182 bool pending_locate_roll;
1183 nframes_t pending_locate_frame;
1185 bool pending_locate_flush;
1187 bool pending_auto_loop;
1189 pthread_t butler_thread;
1190 Glib::Mutex butler_request_lock;
1191 Glib::Cond butler_paused;
1192 bool butler_should_run;
1193 mutable gint butler_should_do_transport_work;
1194 int butler_request_pipe[2];
1196 inline bool transport_work_requested() const { return g_atomic_int_get(&butler_should_do_transport_work); }
1198 struct ButlerRequest {
1207 enum PostTransportWork {
1208 PostTransportStop = 0x1,
1209 PostTransportDisableRecord = 0x2,
1210 PostTransportPosition = 0x8,
1211 PostTransportDidRecord = 0x20,
1212 PostTransportDuration = 0x40,
1213 PostTransportLocate = 0x80,
1214 PostTransportRoll = 0x200,
1215 PostTransportAbort = 0x800,
1216 PostTransportOverWrite = 0x1000,
1217 PostTransportSpeed = 0x2000,
1218 PostTransportAudition = 0x4000,
1219 PostTransportScrub = 0x8000,
1220 PostTransportReverse = 0x10000,
1221 PostTransportInputChange = 0x20000,
1222 PostTransportCurveRealloc = 0x40000
1225 static const PostTransportWork ProcessCannotProceedMask =
1226 PostTransportWork (PostTransportInputChange|
1228 PostTransportReverse|
1229 PostTransportCurveRealloc|
1231 PostTransportAudition|
1232 PostTransportLocate|
1235 PostTransportWork post_transport_work;
1237 void summon_butler ();
1238 void schedule_butler_transport_work ();
1239 int start_butler_thread ();
1240 void terminate_butler_thread ();
1241 static void *_butler_thread_work (void *arg);
1242 void* butler_thread_work ();
1244 uint32_t cumulative_rf_motion;
1247 void set_rf_speed (float speed);
1248 void reset_rf_scale (nframes_t frames_moved);
1250 Locations _locations;
1251 void locations_changed ();
1252 void locations_added (Location*);
1253 void handle_locations_changed (Locations::LocationList&);
1255 sigc::connection auto_punch_start_changed_connection;
1256 sigc::connection auto_punch_end_changed_connection;
1257 sigc::connection auto_punch_changed_connection;
1258 void auto_punch_start_changed (Location *);
1259 void auto_punch_end_changed (Location *);
1260 void auto_punch_changed (Location *);
1262 sigc::connection auto_loop_start_changed_connection;
1263 sigc::connection auto_loop_end_changed_connection;
1264 sigc::connection auto_loop_changed_connection;
1265 void auto_loop_changed (Location *);
1267 typedef list<Event *> Events;
1269 Events immediate_events;
1270 Events::iterator next_event;
1272 /* there can only ever be one of each of these */
1274 Event *auto_loop_event;
1275 Event *punch_out_event;
1276 Event *punch_in_event;
1280 void dump_events () const;
1281 void queue_event (Event *ev);
1282 void merge_event (Event*);
1283 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1284 bool _replace_event (Event*);
1285 bool _remove_event (Event *);
1286 void _clear_event_type (Event::Type);
1288 void first_stage_init (string path, string snapshot_name);
1289 int second_stage_init (bool new_tracks);
1290 void find_current_end ();
1291 void remove_empty_sounds ();
1293 void setup_midi_control ();
1294 int midi_read (MIDI::Port *);
1296 void enable_record ();
1298 void increment_transport_position (uint32_t val) {
1299 if (max_frames - val < _transport_frame) {
1300 _transport_frame = max_frames;
1302 _transport_frame += val;
1306 void decrement_transport_position (uint32_t val) {
1307 if (val < _transport_frame) {
1308 _transport_frame -= val;
1310 _transport_frame = 0;
1314 void post_transport_motion ();
1315 static void *session_loader_thread (void *arg);
1319 void set_next_event ();
1320 void process_event (Event *);
1322 /* MIDI Machine Control */
1324 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1325 void deliver_midi_message (MIDI::Port * port, MIDI::eventType ev, MIDI::channel_t, MIDI::EventTwoBytes);
1326 void deliver_data (MIDI::Port* port, MIDI::byte*, int32_t size);
1328 void spp_start (MIDI::Parser&);
1329 void spp_continue (MIDI::Parser&);
1330 void spp_stop (MIDI::Parser&);
1332 void mmc_deferred_play (MIDI::MachineControl &);
1333 void mmc_stop (MIDI::MachineControl &);
1334 void mmc_step (MIDI::MachineControl &, int);
1335 void mmc_pause (MIDI::MachineControl &);
1336 void mmc_record_pause (MIDI::MachineControl &);
1337 void mmc_record_strobe (MIDI::MachineControl &);
1338 void mmc_record_exit (MIDI::MachineControl &);
1339 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1340 void mmc_fast_forward (MIDI::MachineControl &);
1341 void mmc_rewind (MIDI::MachineControl &);
1342 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1343 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1344 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1346 struct timeval last_mmc_step;
1349 typedef sigc::slot<bool> MidiTimeoutCallback;
1350 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1352 MidiTimeoutList midi_timeouts;
1353 bool mmc_step_timeout ();
1355 MIDI::byte mmc_buffer[32];
1356 MIDI::byte mtc_msg[16];
1357 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1358 MIDI::byte midi_msg[16];
1359 nframes_t outbound_mtc_smpte_frame;
1360 SMPTE::Time transmitting_smpte_time;
1361 int next_quarter_frame_to_send;
1363 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1364 nframes_t _frames_per_hour;
1365 nframes_t _smpte_frames_per_hour;
1366 nframes_t _smpte_offset;
1367 bool _smpte_offset_negative;
1369 /* cache the most-recently requested time conversions.
1370 this helps when we have multiple clocks showing the
1371 same time (e.g. the transport frame)
1374 bool last_smpte_valid;
1375 nframes_t last_smpte_when;
1376 SMPTE::Time last_smpte;
1378 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1380 int send_full_time_code ();
1381 int send_midi_time_code ();
1383 void send_full_time_code_in_another_thread ();
1384 void send_midi_time_code_in_another_thread ();
1385 void send_time_code_in_another_thread (bool full);
1386 void send_mmc_in_another_thread (MIDI::MachineControl::Command, nframes_t frame = 0);
1388 nframes_t adjust_apparent_position (nframes_t frames);
1390 void reset_record_status ();
1392 int fail_roll (nframes_t nframes);
1393 int no_roll (nframes_t nframes);
1395 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1396 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1398 struct MIDIRequest {
1411 MIDI::MachineControl::Command mmc_cmd;
1412 nframes_t locate_frame;
1414 // for SendMessage type
1417 MIDI::channel_t chan;
1419 MIDI::EventTwoBytes data;
1430 void *operator new(size_t ignored) {
1431 return pool.alloc ();
1434 void operator delete(void *ptr, size_t size) {
1439 static MultiAllocSingleReleasePool pool;
1442 Glib::Mutex midi_lock;
1443 pthread_t midi_thread;
1444 int midi_request_pipe[2];
1445 mutable gint butler_active;
1446 RingBuffer<MIDIRequest*> midi_requests;
1448 int start_midi_thread ();
1449 void terminate_midi_thread ();
1450 void poke_midi_thread ();
1451 static void *_midi_thread_work (void *arg);
1452 void midi_thread_work ();
1453 void change_midi_ports ();
1454 int use_config_midi_ports ();
1456 void set_play_loop (bool yn, bool leave_rolling);
1457 void overwrite_some_buffers (Diskstream*);
1458 void flush_all_redirects ();
1459 int micro_locate (nframes_t distance);
1460 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1461 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1462 void force_locate (nframes_t frame, bool with_roll = false);
1463 void set_diskstream_speed (Diskstream*, float speed);
1464 void set_transport_speed (float speed, bool abort = false);
1465 void stop_transport (bool abort = false);
1466 void start_transport ();
1467 void realtime_stop (bool abort);
1468 void non_realtime_start_scrub ();
1469 void non_realtime_set_speed ();
1470 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1471 void non_realtime_overwrite (int entry_request_count, bool& finished);
1472 void butler_transport_work ();
1473 void post_transport ();
1474 void engine_halted ();
1475 void xrun_recovery ();
1477 TempoMap *_tempo_map;
1478 void tempo_map_changed (Change);
1480 /* edit/mix groups */
1482 int load_route_groups (const XMLNode&, bool is_edit);
1483 int load_edit_groups (const XMLNode&);
1484 int load_mix_groups (const XMLNode&);
1487 list<RouteGroup *> edit_groups;
1488 list<RouteGroup *> mix_groups;
1492 SerializedRCUManager<DiskstreamList> diskstreams;
1494 uint32_t dstream_buffer_size;
1495 int load_diskstreams (const XMLNode&);
1499 SerializedRCUManager<RouteList> routes;
1501 void add_routes (RouteList&, bool save);
1502 uint32_t destructive_index;
1504 int load_routes (const XMLNode&);
1505 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1509 bool solo_update_disabled;
1510 bool currently_soloing;
1512 void route_mute_changed (void *src);
1513 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1514 void catch_up_on_solo ();
1515 void catch_up_on_solo_mute_override ();
1516 void update_route_solo_state ();
1517 void modify_solo_mute (bool, bool);
1518 void strip_portname_for_solo (string& portname);
1520 /* REGION MANAGEMENT */
1522 std::map<std::string,uint32_t> region_name_map;
1523 void update_region_name_map (boost::shared_ptr<Region>);
1525 mutable Glib::Mutex region_lock;
1526 typedef map<PBD::ID,boost::shared_ptr<AudioRegion> > AudioRegionList;
1527 AudioRegionList audio_regions;
1529 void add_region (boost::shared_ptr<Region>);
1530 void region_changed (Change, boost::weak_ptr<Region>);
1531 void remove_region (boost::weak_ptr<Region>);
1533 int load_regions (const XMLNode& node);
1537 mutable Glib::Mutex audio_source_lock;
1538 typedef std::map<PBD::ID,boost::shared_ptr<AudioSource> > AudioSourceList;
1540 AudioSourceList audio_sources;
1543 AudioSourceList get_audio_sources() { return audio_sources; }
1548 int load_sources (const XMLNode& node);
1549 XMLNode& get_sources_as_xml ();
1551 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1555 mutable Glib::Mutex playlist_lock;
1556 typedef set<boost::shared_ptr<Playlist> > PlaylistList;
1557 PlaylistList playlists;
1558 PlaylistList unused_playlists;
1560 int load_playlists (const XMLNode&);
1561 int load_unused_playlists (const XMLNode&);
1562 void remove_playlist (boost::weak_ptr<Playlist>);
1563 void track_playlist (bool, boost::weak_ptr<Playlist>);
1565 boost::shared_ptr<Playlist> playlist_factory (string name);
1566 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1568 void playlist_length_changed ();
1569 void diskstream_playlist_changed (boost::weak_ptr<Diskstream>);
1571 /* NAMED SELECTIONS */
1573 mutable Glib::Mutex named_selection_lock;
1574 typedef set<NamedSelection *> NamedSelectionList;
1575 NamedSelectionList named_selections;
1577 int load_named_selections (const XMLNode&);
1579 NamedSelection *named_selection_factory (string name);
1580 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1582 /* CURVES and AUTOMATION LISTS */
1583 std::map<PBD::ID, Curve*> curves;
1584 std::map<PBD::ID, AutomationList*> automation_lists;
1586 /* DEFAULT FADE CURVES */
1588 float default_fade_steepness;
1589 float default_fade_msecs;
1593 boost::shared_ptr<Auditioner> auditioner;
1594 void set_audition (boost::shared_ptr<Region>);
1595 void non_realtime_set_audition ();
1596 boost::shared_ptr<Region> pending_audition_region;
1602 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1604 /* INSERT AND SEND MANAGEMENT */
1606 list<PortInsert *> _port_inserts;
1607 list<PluginInsert *> _plugin_inserts;
1608 list<Send *> _sends;
1609 boost::dynamic_bitset<uint32_t> send_bitset;
1610 boost::dynamic_bitset<uint32_t> insert_bitset;
1612 uint32_t insert_cnt;
1615 void add_redirect (Redirect *);
1616 void remove_redirect (Redirect *);
1620 struct space_and_path {
1621 uint32_t blocks; /* 4kB blocks */
1629 struct space_and_path_ascending_cmp {
1630 bool operator() (space_and_path a, space_and_path b) {
1631 return a.blocks > b.blocks;
1635 void setup_raid_path (string path);
1637 vector<space_and_path> session_dirs;
1638 vector<space_and_path>::iterator last_rr_session_dir;
1639 uint32_t _total_free_4k_blocks;
1640 Glib::Mutex space_lock;
1642 static const char* old_sound_dir_name;
1643 static const char* sound_dir_name;
1644 static const char* dead_sound_dir_name;
1645 static const char* interchange_dir_name;
1646 static const char* peak_dir_name;
1647 static const char* export_dir_name;
1649 string old_sound_dir (bool with_path = true) const;
1650 string discover_best_sound_dir (bool destructive = false);
1651 int ensure_sound_dir (string, string&);
1652 void refresh_disk_space ();
1654 mutable gint _playback_load;
1655 mutable gint _capture_load;
1656 mutable gint _playback_load_min;
1657 mutable gint _capture_load_min;
1659 /* I/O Connections */
1661 typedef list<Connection *> ConnectionList;
1662 mutable Glib::Mutex connection_lock;
1663 ConnectionList _connections;
1664 int load_connections (const XMLNode&);
1666 void reverse_diskstream_buffers ();
1668 UndoHistory _history;
1669 UndoTransaction* current_trans;
1671 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1672 GlobalRouteMeterState get_global_route_metering ();
1674 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1675 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1677 void set_global_mute (GlobalRouteBooleanState s, void *src);
1678 void set_global_solo (GlobalRouteBooleanState s, void *src);
1679 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1681 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1682 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1683 void reset_jack_connection (jack_client_t* jack);
1684 void record_enable_change_all (bool yn);
1686 XMLNode& state(bool);
1696 Click (nframes_t s, 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;
1715 boost::shared_ptr<IO> _click_io;
1717 Sample* click_emphasis_data;
1718 nframes_t click_length;
1719 nframes_t click_emphasis_length;
1720 mutable Glib::RWLock click_lock;
1722 static const Sample default_click[];
1723 static const nframes_t default_click_length;
1724 static const Sample default_click_emphasis[];
1725 static const nframes_t default_click_emphasis_length;
1728 void setup_click_sounds (int which);
1729 void clear_clicks ();
1730 void click (nframes_t start, nframes_t nframes);
1732 vector<Route*> master_outs;
1734 /* range playback */
1736 list<AudioRange> current_audio_range;
1738 void set_play_range (bool yn, bool leave_rolling);
1739 void setup_auto_play ();
1744 boost::shared_ptr<IO> _master_out;
1745 boost::shared_ptr<IO> _control_out;
1747 gain_t* _gain_automation_buffer;
1748 pan_t** _pan_automation_buffer;
1749 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1750 uint32_t _npan_buffers;
1754 long _vst_callback (VSTPlugin*,
1761 /* number of hardware audio ports we're using,
1762 based on max (requested,available)
1765 uint32_t n_physical_audio_outputs;
1766 uint32_t n_physical_audio_inputs;
1768 int find_all_sources (std::string path, std::set<std::string>& result);
1769 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1771 LayerModel layer_model;
1772 CrossfadeModel xfade_model;
1774 typedef std::set<PBD::Controllable*> Controllables;
1775 Glib::Mutex controllables_lock;
1776 Controllables controllables;
1778 void reset_native_file_format();
1779 bool first_file_data_format_reset;
1780 bool first_file_header_format_reset;
1782 void config_changed (const char*);
1784 XMLNode& get_control_protocol_state ();
1786 void set_history_depth (uint32_t depth);
1788 static bool _disable_all_loaded_plugins;
1790 /* used in ::audible_frame() */
1792 mutable bool have_looped;
1794 static void get_templates_from (const std::string& path, std::list<std::string> &template_names);
1797 } // namespace ARDOUR
1799 #endif /* __ardour_session_h__ */