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/dynamic_bitset.hpp>
32 #include <boost/scoped_ptr.hpp>
33 #include <boost/weak_ptr.hpp>
34 #include <boost/utility.hpp>
38 #include <glibmm/thread.h>
40 #include "pbd/error.h"
43 #include "pbd/statefuldestructible.h"
46 #include "midi++/mmc.h"
47 #include "midi++/types.h"
49 #include "pbd/destructible.h"
50 #include "pbd/stateful.h"
52 #include "ardour/ardour.h"
53 #include "ardour/chan_count.h"
54 #include "ardour/configuration.h"
55 #include "ardour/location.h"
56 #include "ardour/smpte.h"
76 class AudioDiskstream;
78 class AudioFileSource;
87 class ControlProtocolInfo;
109 class SessionDirectory;
110 class SessionMetadata;
116 class Session : public PBD::StatefulDestructible, public boost::noncopyable
119 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
120 typedef std::vector<RouteBooleanState> GlobalRouteBooleanState;
121 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
122 typedef std::vector<RouteMeterState> GlobalRouteMeterState;
146 InputConfigurationChange,
150 /* only one of each of these events can be queued at any one time */
165 nframes_t action_frame;
166 nframes_t target_frame;
172 nframes_t target2_frame;
177 std::list<AudioRange> audio_range;
178 std::list<MusicRange> music_range;
180 boost::shared_ptr<Region> region;
182 Event(Type t, Action a, nframes_t when, nframes_t where, double spd, bool yn = false)
185 , action_frame (when)
186 , target_frame (where)
191 void set_ptr (void* p) {
195 bool before (const Event& other) const {
196 return action_frame < other.action_frame;
199 bool after (const Event& other) const {
200 return action_frame > other.action_frame;
203 static bool compare (const Event *e1, const Event *e2) {
204 return e1->before (*e2);
207 void *operator new (size_t ignored) {
208 return pool.alloc ();
211 void operator delete(void *ptr, size_t size) {
215 static const nframes_t Immediate = 0;
218 static MultiAllocSingleReleasePool pool;
221 /* creating from an XML file */
223 Session (AudioEngine&,
224 const std::string& fullpath,
225 const std::string& snapshot_name,
226 std::string mix_template = "");
228 /* creating a new Session */
230 Session (AudioEngine&,
231 std::string fullpath,
232 std::string snapshot_name,
233 AutoConnectOption input_auto_connect,
234 AutoConnectOption output_auto_connect,
235 uint32_t control_out_channels,
236 uint32_t master_out_channels,
237 uint32_t n_physical_in,
238 uint32_t n_physical_out,
239 nframes_t initial_length);
243 std::string path() const { return _path; }
244 std::string name() const { return _name; }
245 std::string snap_name() const { return _current_snapshot_name; }
246 std::string raid_path () const;
248 void set_snap_name ();
252 bool dirty() const { return _state_of_the_state & Dirty; }
253 void set_deletion_in_progress ();
254 void clear_deletion_in_progress ();
255 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
256 sigc::signal<void> DirtyChanged;
258 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
260 static sigc::signal<void> AutoBindingOn;
261 static sigc::signal<void> AutoBindingOff;
263 static sigc::signal<void,std::string> Dialog;
265 std::string sound_dir (bool with_path = true) const;
266 std::string peak_dir () const;
267 std::string dead_sound_dir () const;
268 std::string automation_dir () const;
269 std::string analysis_dir() const;
271 int ensure_subdirs ();
273 Glib::ustring peak_path (Glib::ustring) const;
275 static std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
277 std::string peak_path_from_audio_path (std::string) const;
278 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
279 std::string new_midi_source_name (const std::string&);
280 std::string new_source_path_from_name (DataType type, const std::string&);
281 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
283 void process (nframes_t nframes);
285 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
286 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
287 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
289 void add_diskstream (boost::shared_ptr<Diskstream>);
290 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
291 boost::shared_ptr<Diskstream> diskstream_by_name (std::string name);
292 bool have_rec_enabled_diskstream () const;
294 bool have_captured() const { return _have_captured; }
296 void refill_all_diskstream_buffers ();
297 uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
298 uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
300 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
301 uint32_t n_diskstreams() const;
303 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
305 int load_routes (const XMLNode&);
306 boost::shared_ptr<RouteList> get_routes() const {
307 return routes.reader ();
310 uint32_t nroutes() const { return routes.reader()->size(); }
311 uint32_t ntracks () const;
312 uint32_t nbusses () const;
314 boost::shared_ptr<BundleList> bundles () {
315 return _bundles.reader ();
318 struct RoutePublicOrderSorter {
319 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
322 void sync_order_keys (const char* base);
324 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
325 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
326 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
328 boost::shared_ptr<Route> route_by_name (std::string);
329 boost::shared_ptr<Route> route_by_id (PBD::ID);
330 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
332 bool route_name_unique (std::string) const;
333 bool route_name_internal (std::string) const;
335 bool get_record_enabled() const {
336 return (record_status () >= Enabled);
339 RecordState record_status() const {
340 return (RecordState) g_atomic_int_get (&_record_status);
343 bool actively_recording () {
344 return record_status() == Recording;
347 bool record_enabling_legal () const;
348 void maybe_enable_record ();
349 void disable_record (bool rt_context, bool force = false);
350 void step_back_from_record ();
352 void maybe_write_autosave ();
354 /* Proxy signal for region hidden changes */
356 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
358 /* Emitted when all i/o connections are complete */
360 sigc::signal<void> IOConnectionsComplete;
362 /* Record status signals */
364 sigc::signal<void> RecordStateChanged;
366 /* Transport mechanism signals */
368 sigc::signal<void> TransportStateChange; /* generic */
369 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
370 sigc::signal<void> DurationChanged;
371 sigc::signal<void,nframes_t> Xrun;
372 sigc::signal<void> TransportLooped;
374 /** emitted when a locate has occurred */
375 sigc::signal<void> Located;
377 sigc::signal<void,RouteList&> RouteAdded;
379 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
380 void request_bounded_roll (nframes_t start, nframes_t end);
381 void request_stop (bool abort = false);
382 void request_locate (nframes_t frame, bool with_roll = false);
384 void request_play_loop (bool yn);
385 bool get_play_loop () const { return play_loop; }
387 nframes_t last_transport_start() const { return _last_roll_location; }
388 void goto_end () { request_locate (end_location->start(), false);}
389 void goto_start () { request_locate (start_location->start(), false); }
390 void set_session_start (nframes_t start) { start_location->set_start(start); }
391 void set_session_end (nframes_t end) { end_location->set_start(end); _end_location_is_free = false; }
392 void use_rf_shuttle_speed ();
393 void allow_auto_play (bool yn);
394 void request_transport_speed (double speed);
395 void request_overwrite_buffer (Diskstream*);
396 void request_diskstream_speed (Diskstream&, double speed);
397 void request_input_change_handling ();
399 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
400 bool transport_locked () const;
404 int remove_region_from_region_list (boost::shared_ptr<Region>);
406 nframes_t get_maximum_extent () const;
407 nframes_t current_end_frame() const { return end_location->start(); }
408 nframes_t current_start_frame() const { return start_location->start(); }
409 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
410 nframes_t frame_rate() const { return _current_frame_rate; }
411 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
412 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
413 nframes_t frames_per_hour() const { return _frames_per_hour; }
415 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
416 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
418 MIDI::byte get_mtc_smpte_bits() const {
419 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
422 float smpte_frames_per_second() const;
423 bool smpte_drop_frames() const;
427 Locations *locations() { return &_locations; }
429 sigc::signal<void,Location*> auto_loop_location_changed;
430 sigc::signal<void,Location*> auto_punch_location_changed;
431 sigc::signal<void> locations_modified;
433 void set_auto_punch_location (Location *);
434 void set_auto_loop_location (Location *);
435 int location_name(std::string& result, std::string base = std::string(""));
437 void reset_input_monitor_state ();
439 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
440 void remove_event (nframes_t frame, Event::Type type);
441 void clear_events (Event::Type type);
443 nframes_t get_block_size() const { return current_block_size; }
444 nframes_t worst_output_latency () const { return _worst_output_latency; }
445 nframes_t worst_input_latency () const { return _worst_input_latency; }
446 nframes_t worst_track_latency () const { return _worst_track_latency; }
448 int save_state (std::string snapshot_name, bool pending = false);
449 int restore_state (std::string snapshot_name);
450 int save_template (std::string template_name);
451 int save_history (std::string snapshot_name = "");
452 int restore_history (std::string snapshot_name);
453 void remove_state (std::string snapshot_name);
454 void rename_state (std::string old_name, std::string new_name);
455 void remove_pending_capture_state ();
457 static int rename_template (std::string old_name, std::string new_name);
458 static int delete_template (std::string name);
460 sigc::signal<void,std::string> StateSaved;
461 sigc::signal<void> StateReady;
463 std::vector<std::string*>* possible_states() const;
464 static std::vector<std::string*>* possible_states (std::string path);
466 XMLNode& get_state();
467 int set_state(const XMLNode& node); // not idempotent
468 XMLNode& get_template();
470 /// The instant xml file is written to the session directory
471 void add_instant_xml (XMLNode&, bool write_to_config = true);
472 XMLNode* instant_xml (const std::string& str);
474 enum StateOfTheState {
479 InitialConnecting = 0x8,
484 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
486 RouteGroup* add_edit_group (std::string);
487 RouteGroup* add_mix_group (std::string);
489 void remove_edit_group (RouteGroup&);
490 void remove_mix_group (RouteGroup&);
492 RouteGroup *mix_group_by_name (std::string);
493 RouteGroup *edit_group_by_name (std::string);
495 sigc::signal<void,RouteGroup*> edit_group_added;
496 sigc::signal<void,RouteGroup*> mix_group_added;
497 sigc::signal<void> edit_group_removed;
498 sigc::signal<void> mix_group_removed;
500 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
501 for (std::list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
506 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
507 for (std::list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
512 /* fundamental operations. duh. */
514 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
515 int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
517 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
519 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
520 TrackMode mode = Normal, uint32_t how_many = 1);
522 void remove_route (boost::shared_ptr<Route>);
523 void resort_routes ();
524 void resort_routes_using (boost::shared_ptr<RouteList>);
526 void set_remote_control_ids();
528 AudioEngine & engine() { return _engine; }
529 AudioEngine const & engine () const { return _engine; }
536 nframes_t transport_frame () const {return _transport_frame; }
537 nframes_t audible_frame () const;
538 nframes64_t requested_return_frame() const { return _requested_return_frame; }
552 int set_smpte_format (SmpteFormat);
553 void sync_time_vars();
555 void bbt_time (nframes_t when, BBT_Time&);
556 void smpte_to_sample(SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes) const;
557 void sample_to_smpte(nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes) const;
558 void smpte_time (SMPTE::Time &);
559 void smpte_time (nframes_t when, SMPTE::Time&);
560 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
562 void smpte_duration (nframes_t, SMPTE::Time&) const;
563 void smpte_duration_string (char *, nframes_t) const;
565 void set_smpte_offset (nframes_t);
566 nframes_t smpte_offset () const { return _smpte_offset; }
567 void set_smpte_offset_negative (bool);
568 bool smpte_offset_negative () const { return _smpte_offset_negative; }
570 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
572 static sigc::signal<void> StartTimeChanged;
573 static sigc::signal<void> EndTimeChanged;
574 static sigc::signal<void> SMPTEOffsetChanged;
576 void request_slave_source (SlaveSource);
577 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
579 double transport_speed() const { return _transport_speed; }
580 bool transport_stopped() const { return _transport_speed == 0.0f; }
581 bool transport_rolling() const { return _transport_speed != 0.0f; }
583 void set_silent (bool yn);
584 bool silent () { return _silent; }
586 int jack_slave_sync (nframes_t);
588 TempoMap& tempo_map() { return *_tempo_map; }
590 /// signals the current transport position in frames, bbt and smpte time (in that order)
591 sigc::signal<void, const nframes_t&, const BBT_Time&, const SMPTE::Time&> tick;
595 void add_regions (std::vector<boost::shared_ptr<Region> >&);
597 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
598 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
599 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
601 int region_name (std::string& result, std::string base = std::string(""), bool newlevel = false);
602 std::string new_region_name (std::string);
603 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
605 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
607 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
609 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
610 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
611 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
613 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
615 /* source management */
617 struct ImportStatus : public InterThreadInfo {
618 std::string doing_what;
623 volatile bool freeze;
624 std::vector<Glib::ustring> paths;
625 bool replace_existing_source;
631 void import_audiofiles (ImportStatus&);
632 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
633 std::string build_tmp_convert_name (std::string file);
635 boost::shared_ptr<ExportHandler> get_export_handler ();
636 boost::shared_ptr<ExportStatus> get_export_status ();
638 int start_audio_export (nframes_t position, bool realtime);
640 sigc::signal<int, nframes_t> ProcessExport;
641 sigc::signal<void> ExportReadFinished;
642 static sigc::signal<void, std::string, std::string> Exported;
644 void add_source (boost::shared_ptr<Source>);
645 void remove_source (boost::weak_ptr<Source>);
647 struct cleanup_report {
648 std::vector<std::string> paths;
652 int cleanup_sources (cleanup_report&);
653 int cleanup_trash_sources (cleanup_report&);
655 int destroy_region (boost::shared_ptr<Region>);
656 int destroy_regions (std::list<boost::shared_ptr<Region> >);
658 int remove_last_capture ();
660 /** handlers should return -1 for "stop cleanup",
661 0 for "yes, delete this playlist",
662 1 for "no, don't delete this playlist".
664 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
666 /** handlers should return 0 for "ignore the rate mismatch",
667 !0 for "do not use this session"
669 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
671 /** handlers should return !0 for use pending state, 0 for ignore it.
673 static sigc::signal<int> AskAboutPendingState;
675 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
677 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
679 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
680 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
682 /* playlist management */
684 boost::shared_ptr<Playlist> playlist_by_name (std::string name);
685 void unassigned_playlists (std::list<boost::shared_ptr<Playlist> > & list);
686 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
687 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
688 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
690 uint32_t n_playlists() const;
692 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
693 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
695 /* named selections */
697 NamedSelection* named_selection_by_name (std::string name);
698 void add_named_selection (NamedSelection *);
699 void remove_named_selection (NamedSelection *);
701 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
702 sigc::signal<void> NamedSelectionAdded;
703 sigc::signal<void> NamedSelectionRemoved;
705 /* Curves and AutomationLists (TODO when they go away) */
706 void add_automation_list(AutomationList*);
710 float get_default_fade_length () const { return default_fade_msecs; }
711 float get_default_fade_steepness () const { return default_fade_steepness; }
712 void set_default_fade (float steepness, float msecs);
716 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
717 void audition_playlist ();
718 void audition_region (boost::shared_ptr<Region>);
719 void cancel_audition ();
720 bool is_auditioning () const;
722 sigc::signal<void,bool> AuditionActive;
724 /* flattening stuff */
726 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
727 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
728 bool enable_processing = true);
729 int freeze (InterThreadInfo&);
731 /* session-wide solo/mute/rec-enable */
733 bool soloing() const { return currently_soloing; }
735 void set_all_solo (bool);
736 void set_all_mute (bool);
738 sigc::signal<void,bool> SoloActive;
739 sigc::signal<void> SoloChanged;
741 void record_disenable_all ();
742 void record_enable_all ();
744 /* control/master out */
746 boost::shared_ptr<IO> control_out() const { return _control_out; }
747 boost::shared_ptr<IO> master_out() const { return _master_out; }
749 /* insert/send management */
751 uint32_t n_port_inserts() const { return _port_inserts.size(); }
752 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
753 uint32_t n_sends() const { return _sends.size(); }
755 static void set_disable_all_loaded_plugins (bool yn) {
756 _disable_all_loaded_plugins = yn;
758 static bool get_disable_all_loaded_plugins() {
759 return _disable_all_loaded_plugins;
762 uint32_t next_send_id();
763 uint32_t next_return_id();
764 uint32_t next_insert_id();
765 void mark_send_id (uint32_t);
766 void mark_return_id (uint32_t);
767 void mark_insert_id (uint32_t);
769 /* s/w "RAID" management */
771 nframes_t available_capture_duration();
775 void add_bundle (boost::shared_ptr<Bundle>);
776 void remove_bundle (boost::shared_ptr<Bundle>);
777 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
779 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
780 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
784 void midi_panic(void);
785 int set_mtc_port (std::string port_tag);
786 int set_mmc_port (std::string port_tag);
787 int set_midi_port (std::string port_tag);
788 int set_midi_clock_port (std::string port_tag);
789 MIDI::Port *mtc_port() const { return _mtc_port; }
790 MIDI::Port *mmc_port() const { return _mmc_port; }
791 MIDI::Port *midi_port() const { return _midi_port; }
792 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
794 sigc::signal<void> MTC_PortChanged;
795 sigc::signal<void> MMC_PortChanged;
796 sigc::signal<void> MIDI_PortChanged;
797 sigc::signal<void> MIDIClock_PortChanged;
799 void set_trace_midi_input (bool, MIDI::Port* port = 0);
800 void set_trace_midi_output (bool, MIDI::Port* port = 0);
802 bool get_trace_midi_input(MIDI::Port *port = 0);
803 bool get_trace_midi_output(MIDI::Port *port = 0);
805 void set_mmc_receive_device_id (uint32_t id);
806 void set_mmc_send_device_id (uint32_t id);
810 void start_scrub (nframes_t where);
812 void set_scrub_speed (float);
813 nframes_t scrub_buffer_size() const;
814 sigc::signal<void> ScrubReady;
816 /* History (for editors, mixers, UIs etc.) */
818 /** Undo some transactions.
819 * @param n Number of transactions to undo.
821 void undo (uint32_t n) {
825 void redo (uint32_t n) {
829 UndoHistory& history() { return _history; }
831 uint32_t undo_depth() const { return _history.undo_depth(); }
832 uint32_t redo_depth() const { return _history.redo_depth(); }
833 std::string next_undo() const { return _history.next_undo(); }
834 std::string next_redo() const { return _history.next_redo(); }
836 void begin_reversible_command (const std::string& cmd_name);
837 void commit_reversible_command (Command* cmd = 0);
839 void add_command (Command *const cmd) {
840 assert(!_current_trans.empty ());
841 _current_trans.top()->add_command (cmd);
844 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
846 // these commands are implemented in libs/ardour/session_command.cc
847 Command* memento_command_factory(XMLNode* n);
848 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
850 Command* global_state_command_factory (const XMLNode& n);
852 class GlobalRouteStateCommand : public Command
855 GlobalRouteStateCommand (Session&, void*);
856 GlobalRouteStateCommand (Session&, const XMLNode& node);
857 int set_state (const XMLNode&);
858 XMLNode& get_state ();
861 GlobalRouteBooleanState before, after;
867 class GlobalSoloStateCommand : public GlobalRouteStateCommand
870 GlobalSoloStateCommand (Session &, void *src);
871 GlobalSoloStateCommand (Session&, const XMLNode&);
872 void operator()(); //redo
874 XMLNode &get_state();
878 class GlobalMuteStateCommand : public GlobalRouteStateCommand
881 GlobalMuteStateCommand(Session &, void *src);
882 GlobalMuteStateCommand (Session&, const XMLNode&);
883 void operator()(); // redo
885 XMLNode &get_state();
889 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
892 GlobalRecordEnableStateCommand(Session &, void *src);
893 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
894 void operator()(); // redo
896 XMLNode &get_state();
900 class GlobalMeteringStateCommand : public Command
903 GlobalMeteringStateCommand(Session &, void *src);
904 GlobalMeteringStateCommand (Session&, const XMLNode&);
907 XMLNode &get_state();
908 int set_state (const XMLNode&);
914 GlobalRouteMeterState before;
915 GlobalRouteMeterState after;
920 boost::shared_ptr<IO> click_io() { return _click_io; }
922 /* disk, buffer loads */
924 uint32_t playback_load ();
925 uint32_t capture_load ();
926 uint32_t playback_load_min ();
927 uint32_t capture_load_min ();
929 void reset_playback_load_min ();
930 void reset_capture_load_min ();
932 float read_data_rate () const; // in usec
933 float write_data_rate () const;
937 void set_audio_range (std::list<AudioRange>&);
938 void set_music_range (std::list<MusicRange>&);
940 void request_play_range (bool yn);
941 bool get_play_range () const { return _play_range; }
943 /* buffers for gain and pan */
945 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
946 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
948 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
952 static long vst_callback (AEffect* effect,
959 static sigc::signal<void> SendFeedback;
963 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
965 void add_controllable (boost::shared_ptr<PBD::Controllable>);
966 void remove_controllable (PBD::Controllable*);
968 SessionMetadata & metadata () { return *_metadata; }
971 friend class AudioEngine;
972 void set_block_size (nframes_t nframes);
973 void set_frame_rate (nframes_t nframes);
976 friend class Diskstream;
978 void wait_till_butler_finished();
982 void schedule_curve_reallocation ();
983 void update_latency_compensation (bool, bool);
986 int create (bool& new_session, const std::string& mix_template, nframes_t initial_length);
989 nframes_t compute_initial_length ();
992 PendingDeclickIn = 0x1,
993 PendingDeclickOut = 0x2,
994 StopPendingCapture = 0x4,
995 AutoReturning = 0x10,
996 PendingLocate = 0x20,
997 PendingSetLoop = 0x40
1000 /* stuff used in process() should be close together to
1004 typedef void (Session::*process_function_type)(nframes_t);
1006 AudioEngine& _engine;
1007 mutable gint processing_prohibited;
1008 process_function_type process_function;
1009 process_function_type last_process_function;
1010 bool waiting_for_sync_offset;
1011 nframes_t _base_frame_rate;
1012 nframes_t _current_frame_rate; //this includes video pullup offset
1013 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1014 int transport_sub_state;
1015 mutable gint _record_status;
1016 volatile nframes_t _transport_frame;
1017 Location* end_location;
1018 Location* start_location;
1021 volatile double _transport_speed;
1022 double _last_transport_speed;
1023 // fixed point transport speed for varispeed playback
1025 // fixed point target transport speed for varispeed playback when tempo changes
1026 uint64_t target_phi;
1027 // fixed point phase for varispeed playback
1029 bool auto_play_legal;
1030 nframes_t _last_slave_transport_frame;
1031 nframes_t maximum_output_latency;
1032 volatile nframes64_t _requested_return_frame;
1033 BufferSet* _scratch_buffers;
1034 BufferSet* _silent_buffers;
1035 BufferSet* _mix_buffers;
1036 nframes_t current_block_size;
1037 nframes_t _worst_output_latency;
1038 nframes_t _worst_input_latency;
1039 nframes_t _worst_track_latency;
1040 bool _have_captured;
1042 float _meter_falloff;
1043 bool _end_location_is_free;
1045 void set_worst_io_latencies ();
1046 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1047 set_worst_io_latencies ();
1050 void update_latency_compensation_proxy (void* ignored);
1052 void ensure_buffers (ChanCount howmany);
1054 void process_scrub (nframes_t);
1055 void process_without_events (nframes_t);
1056 void process_with_events (nframes_t);
1057 void process_audition (nframes_t);
1058 void process_export (nframes_t);
1059 int process_export_fw (nframes_t);
1061 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1062 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1063 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1065 /* slave tracking */
1067 static const int delta_accumulator_size = 25;
1068 int delta_accumulator_cnt;
1069 long delta_accumulator[delta_accumulator_size];
1070 long average_slave_delta;
1072 bool have_first_delta_accumulator;
1080 SlaveState slave_state;
1081 nframes_t slave_wait_end;
1083 void reset_slave_state ();
1084 bool follow_slave (nframes_t);
1085 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
1086 void track_slave_state(float slave_speed, nframes_t slave_transport_frame,
1087 nframes_t this_delta, bool starting);
1088 void follow_slave_silently(nframes_t nframes, float slave_speed);
1090 void set_slave_source (SlaveSource);
1092 SlaveSource post_export_slave;
1093 nframes_t post_export_position;
1096 bool _exporting_realtime;
1098 boost::shared_ptr<ExportHandler> export_handler;
1099 boost::shared_ptr<ExportStatus> export_status;
1102 int stop_audio_export ();
1103 void finalize_audio_export ();
1105 sigc::connection export_freewheel_connection;
1107 void prepare_diskstreams ();
1108 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1109 int process_routes (nframes_t);
1110 int silent_process_routes (nframes_t);
1112 bool get_rec_monitors_input () {
1113 if (actively_recording()) {
1116 if (Config->get_auto_input()) {
1124 int get_transport_declick_required () {
1125 if (transport_sub_state & PendingDeclickIn) {
1126 transport_sub_state &= ~PendingDeclickIn;
1128 } else if (transport_sub_state & PendingDeclickOut) {
1135 bool maybe_stop (nframes_t limit) {
1136 if ( (_transport_speed > 0.0f && _transport_frame >= limit)
1137 || (_transport_speed < 0.0f && _transport_frame == 0) ) {
1144 bool maybe_sync_start (nframes_t&);
1146 void check_declick_out ();
1148 MIDI::MachineControl* mmc;
1149 MIDI::Port* _mmc_port;
1150 MIDI::Port* _mtc_port;
1151 MIDI::Port* _midi_port;
1152 MIDI::Port* _midi_clock_port;
1155 bool session_send_mmc;
1156 bool session_send_mtc;
1157 bool session_midi_feedback;
1160 nframes_t last_loopend;
1162 boost::scoped_ptr<SessionDirectory> _session_dir;
1164 RingBuffer<Event*> pending_events;
1167 void when_engine_running ();
1168 void graph_reordered ();
1170 std::string _current_snapshot_name;
1172 XMLTree* state_tree;
1173 bool state_was_pending;
1174 StateOfTheState _state_of_the_state;
1177 int load_options (const XMLNode&);
1178 XMLNode& get_options () const;
1179 int load_state (std::string snapshot_name);
1180 bool save_config_options_predicate (ConfigVariableBase::Owner owner) const;
1182 nframes_t _last_roll_location;
1183 nframes_t _last_record_location;
1185 bool pending_locate_roll;
1186 nframes_t pending_locate_frame;
1187 bool pending_locate_flush;
1189 bool pending_auto_loop;
1191 Sample* butler_mixdown_buffer;
1192 float* butler_gain_buffer;
1193 pthread_t butler_thread;
1194 Glib::Mutex butler_request_lock;
1195 Glib::Cond butler_paused;
1196 bool butler_should_run;
1197 mutable gint butler_should_do_transport_work;
1198 int butler_request_pipe[2];
1200 inline bool transport_work_requested() const {
1201 return g_atomic_int_get(&butler_should_do_transport_work);
1204 struct ButlerRequest {
1213 enum PostTransportWork {
1214 PostTransportStop = 0x1,
1215 PostTransportDisableRecord = 0x2,
1216 PostTransportPosition = 0x8,
1217 PostTransportDidRecord = 0x20,
1218 PostTransportDuration = 0x40,
1219 PostTransportLocate = 0x80,
1220 PostTransportRoll = 0x200,
1221 PostTransportAbort = 0x800,
1222 PostTransportOverWrite = 0x1000,
1223 PostTransportSpeed = 0x2000,
1224 PostTransportAudition = 0x4000,
1225 PostTransportScrub = 0x8000,
1226 PostTransportReverse = 0x10000,
1227 PostTransportInputChange = 0x20000,
1228 PostTransportCurveRealloc = 0x40000
1231 static const PostTransportWork ProcessCannotProceedMask =
1233 PostTransportInputChange|
1235 PostTransportReverse|
1236 PostTransportCurveRealloc|
1238 PostTransportAudition|
1239 PostTransportLocate|
1242 PostTransportWork post_transport_work;
1244 void summon_butler ();
1245 void schedule_butler_transport_work ();
1246 int start_butler_thread ();
1247 void terminate_butler_thread ();
1248 static void *_butler_thread_work (void *arg);
1249 void* butler_thread_work ();
1251 uint32_t cumulative_rf_motion;
1254 void set_rf_speed (float speed);
1255 void reset_rf_scale (nframes_t frames_moved);
1257 Locations _locations;
1258 void locations_changed ();
1259 void locations_added (Location*);
1260 void handle_locations_changed (Locations::LocationList&);
1262 sigc::connection auto_punch_start_changed_connection;
1263 sigc::connection auto_punch_end_changed_connection;
1264 sigc::connection auto_punch_changed_connection;
1265 void auto_punch_start_changed (Location *);
1266 void auto_punch_end_changed (Location *);
1267 void auto_punch_changed (Location *);
1269 sigc::connection auto_loop_start_changed_connection;
1270 sigc::connection auto_loop_end_changed_connection;
1271 sigc::connection auto_loop_changed_connection;
1272 void auto_loop_changed (Location *);
1274 typedef std::list<Event *> Events;
1276 Events immediate_events;
1277 Events::iterator next_event;
1279 /* there can only ever be one of each of these */
1281 Event *auto_loop_event;
1282 Event *punch_out_event;
1283 Event *punch_in_event;
1287 void dump_events () const;
1288 void queue_event (Event *ev);
1289 void merge_event (Event*);
1290 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1291 bool _replace_event (Event*);
1292 bool _remove_event (Event *);
1293 void _clear_event_type (Event::Type);
1295 void first_stage_init (std::string path, std::string snapshot_name);
1296 int second_stage_init (bool new_tracks);
1297 void find_current_end ();
1298 void remove_empty_sounds ();
1300 void setup_midi_control ();
1301 int midi_read (MIDI::Port *);
1303 void enable_record ();
1305 void increment_transport_position (uint32_t val) {
1306 if (max_frames - val < _transport_frame) {
1307 _transport_frame = max_frames;
1309 _transport_frame += val;
1313 void decrement_transport_position (uint32_t val) {
1314 if (val < _transport_frame) {
1315 _transport_frame -= val;
1317 _transport_frame = 0;
1321 void post_transport_motion ();
1322 static void *session_loader_thread (void *arg);
1326 void set_next_event ();
1327 void process_event (Event *ev);
1329 /* MIDI Machine Control */
1331 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1333 void spp_start (MIDI::Parser&, nframes_t timestamp);
1334 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1335 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1337 void mmc_deferred_play (MIDI::MachineControl &);
1338 void mmc_stop (MIDI::MachineControl &);
1339 void mmc_step (MIDI::MachineControl &, int);
1340 void mmc_pause (MIDI::MachineControl &);
1341 void mmc_record_pause (MIDI::MachineControl &);
1342 void mmc_record_strobe (MIDI::MachineControl &);
1343 void mmc_record_exit (MIDI::MachineControl &);
1344 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1345 void mmc_fast_forward (MIDI::MachineControl &);
1346 void mmc_rewind (MIDI::MachineControl &);
1347 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1348 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1349 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1351 struct timeval last_mmc_step;
1354 typedef sigc::slot<bool> MidiTimeoutCallback;
1355 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1357 MidiTimeoutList midi_timeouts;
1358 bool mmc_step_timeout ();
1360 MIDI::byte mmc_buffer[32];
1361 MIDI::byte mtc_msg[16];
1362 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1363 MIDI::byte midi_msg[16];
1364 nframes_t outbound_mtc_smpte_frame;
1365 SMPTE::Time transmitting_smpte_time;
1366 int next_quarter_frame_to_send;
1368 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1369 nframes_t _frames_per_hour;
1370 nframes_t _smpte_frames_per_hour;
1371 nframes_t _smpte_offset;
1372 bool _smpte_offset_negative;
1374 /* cache the most-recently requested time conversions. This helps when we
1375 * have multiple clocks showing the same time (e.g. the transport frame) */
1376 bool last_smpte_valid;
1377 nframes_t last_smpte_when;
1378 SMPTE::Time last_smpte;
1380 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1382 int send_full_time_code(nframes_t nframes);
1383 int send_midi_time_code_for_cycle(nframes_t nframes);
1385 nframes_t adjust_apparent_position (nframes_t frames);
1387 void reset_record_status ();
1389 int no_roll (nframes_t nframes);
1390 int fail_roll (nframes_t nframes);
1392 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1393 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1395 struct MIDIRequest {
1403 Glib::Mutex midi_lock;
1404 pthread_t midi_thread;
1405 int midi_request_pipe[2];
1406 RingBuffer<MIDIRequest*> midi_requests;
1408 int start_midi_thread ();
1409 void terminate_midi_thread ();
1410 void poke_midi_thread ();
1411 static void *_midi_thread_work (void *arg);
1412 void midi_thread_work ();
1413 void change_midi_ports ();
1414 int use_config_midi_ports ();
1416 void set_play_loop (bool yn);
1417 void overwrite_some_buffers (Diskstream*);
1418 void flush_all_inserts ();
1419 int micro_locate (nframes_t distance);
1420 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1421 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1422 void force_locate (nframes_t frame, bool with_roll = false);
1423 void set_diskstream_speed (Diskstream*, double speed);
1424 void set_transport_speed (double speed, bool abort = false);
1425 void stop_transport (bool abort = false);
1426 void start_transport ();
1427 void realtime_stop (bool abort);
1428 void non_realtime_start_scrub ();
1429 void non_realtime_set_speed ();
1430 void non_realtime_locate ();
1431 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1432 void non_realtime_overwrite (int entry_request_count, bool& finished);
1433 void butler_transport_work ();
1434 void post_transport ();
1435 void engine_halted ();
1436 void xrun_recovery ();
1438 TempoMap *_tempo_map;
1439 void tempo_map_changed (Change);
1441 /* edit/mix groups */
1443 int load_route_groups (const XMLNode&, bool is_edit);
1444 int load_edit_groups (const XMLNode&);
1445 int load_mix_groups (const XMLNode&);
1448 std::list<RouteGroup *> edit_groups;
1449 std::list<RouteGroup *> mix_groups;
1453 SerializedRCUManager<DiskstreamList> diskstreams;
1455 uint32_t audio_dstream_buffer_size;
1456 uint32_t midi_dstream_buffer_size;
1457 int load_diskstreams (const XMLNode&);
1461 SerializedRCUManager<RouteList> routes;
1463 void add_routes (RouteList&, bool save);
1464 uint32_t destructive_index;
1466 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1470 bool solo_update_disabled;
1471 bool currently_soloing;
1473 void route_mute_changed (void *src);
1474 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1475 void catch_up_on_solo ();
1476 void catch_up_on_solo_mute_override ();
1477 void update_route_solo_state ();
1478 void modify_solo_mute (bool, bool);
1479 void strip_portname_for_solo (std::string& portname);
1481 /* REGION MANAGEMENT */
1483 std::map<std::string,uint32_t> region_name_map;
1484 void update_region_name_map (boost::shared_ptr<Region>);
1486 mutable Glib::Mutex region_lock;
1487 typedef std::map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1490 void add_region (boost::shared_ptr<Region>);
1491 void region_changed (Change, boost::weak_ptr<Region>);
1492 void remove_region (boost::weak_ptr<Region>);
1494 int load_regions (const XMLNode& node);
1498 mutable Glib::Mutex source_lock;
1499 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1504 SourceMap get_sources() { return sources; }
1507 int load_sources (const XMLNode& node);
1508 XMLNode& get_sources_as_xml ();
1510 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1514 mutable Glib::Mutex playlist_lock;
1515 typedef std::set<boost::shared_ptr<Playlist> > PlaylistList;
1516 PlaylistList playlists;
1517 PlaylistList unused_playlists;
1519 int load_playlists (const XMLNode&);
1520 int load_unused_playlists (const XMLNode&);
1521 void remove_playlist (boost::weak_ptr<Playlist>);
1522 void track_playlist (bool, boost::weak_ptr<Playlist>);
1524 boost::shared_ptr<Playlist> playlist_factory (std::string name);
1525 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1527 void playlist_length_changed ();
1528 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1530 /* NAMED SELECTIONS */
1532 mutable Glib::Mutex named_selection_lock;
1533 typedef std::set<NamedSelection *> NamedSelectionList;
1534 NamedSelectionList named_selections;
1536 int load_named_selections (const XMLNode&);
1538 NamedSelection *named_selection_factory (std::string name);
1539 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1541 /* CURVES and AUTOMATION LISTS */
1542 std::map<PBD::ID, AutomationList*> automation_lists;
1544 /* DEFAULT FADE CURVES */
1546 float default_fade_steepness;
1547 float default_fade_msecs;
1551 boost::shared_ptr<Auditioner> auditioner;
1552 void set_audition (boost::shared_ptr<Region>);
1553 void non_realtime_set_audition ();
1554 boost::shared_ptr<Region> pending_audition_region;
1560 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1562 /* INSERT AND SEND MANAGEMENT */
1564 std::list<PortInsert *> _port_inserts;
1565 std::list<PluginInsert *> _plugin_inserts;
1566 std::list<Send *> _sends;
1567 std::list<Return *> _returns;
1568 boost::dynamic_bitset<uint32_t> send_bitset;
1569 boost::dynamic_bitset<uint32_t> return_bitset;
1570 boost::dynamic_bitset<uint32_t> insert_bitset;
1572 uint32_t insert_cnt;
1575 void add_processor (Processor *);
1576 void remove_processor (Processor *);
1580 struct space_and_path {
1581 uint32_t blocks; /* 4kB blocks */
1589 struct space_and_path_ascending_cmp {
1590 bool operator() (space_and_path a, space_and_path b) {
1591 return a.blocks > b.blocks;
1595 void setup_raid_path (std::string path);
1597 std::vector<space_and_path> session_dirs;
1598 std::vector<space_and_path>::iterator last_rr_session_dir;
1599 uint32_t _total_free_4k_blocks;
1600 Glib::Mutex space_lock;
1602 std::string get_best_session_directory_for_new_source ();
1603 void refresh_disk_space ();
1605 mutable gint _playback_load;
1606 mutable gint _capture_load;
1607 mutable gint _playback_load_min;
1608 mutable gint _capture_load_min;
1612 SerializedRCUManager<BundleList> _bundles;
1613 XMLNode* _bundle_xml_node;
1614 int load_bundles (XMLNode const &);
1616 void reverse_diskstream_buffers ();
1618 UndoHistory _history;
1619 std::stack<UndoTransaction*> _current_trans;
1621 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1622 GlobalRouteMeterState get_global_route_metering ();
1624 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1625 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1627 void set_global_mute (GlobalRouteBooleanState s, void *src);
1628 void set_global_solo (GlobalRouteBooleanState s, void *src);
1629 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1631 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1632 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1633 void reset_jack_connection (jack_client_t* jack);
1634 void record_enable_change_all (bool yn);
1636 XMLNode& state(bool);
1646 Click (nframes_t s, nframes_t d, const Sample *b)
1647 : start (s), duration (d), data (b) { offset = 0; }
1649 void *operator new(size_t ignored) {
1650 return pool.alloc ();
1653 void operator delete(void *ptr, size_t size) {
1661 typedef std::list<Click*> Clicks;
1665 boost::shared_ptr<IO> _click_io;
1667 Sample* click_emphasis_data;
1668 nframes_t click_length;
1669 nframes_t click_emphasis_length;
1670 mutable Glib::RWLock click_lock;
1672 static const Sample default_click[];
1673 static const nframes_t default_click_length;
1674 static const Sample default_click_emphasis[];
1675 static const nframes_t default_click_emphasis_length;
1678 void setup_click_sounds (int which);
1679 void clear_clicks ();
1680 void click (nframes_t start, nframes_t nframes);
1682 std::vector<Route*> master_outs;
1684 /* range playback */
1686 std::list<AudioRange> current_audio_range;
1688 void set_play_range (bool yn);
1689 void setup_auto_play ();
1694 boost::shared_ptr<IO> _master_out;
1695 boost::shared_ptr<IO> _control_out;
1697 gain_t* _gain_automation_buffer;
1698 pan_t** _pan_automation_buffer;
1699 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1700 uint32_t _npan_buffers;
1704 long _vst_callback (VSTPlugin*,
1711 /* number of hardware ports we're using,
1712 based on max (requested,available)
1715 uint32_t n_physical_outputs;
1716 uint32_t n_physical_inputs;
1718 uint32_t n_physical_audio_outputs;
1719 uint32_t n_physical_audio_inputs;
1721 uint32_t n_physical_midi_outputs;
1722 uint32_t n_physical_midi_inputs;
1724 int find_all_sources (std::string path, std::set<std::string>& result);
1725 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1727 LayerModel layer_model;
1728 CrossfadeModel xfade_model;
1730 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1731 Glib::Mutex controllables_lock;
1732 Controllables controllables;
1734 void reset_native_file_format();
1735 bool first_file_data_format_reset;
1736 bool first_file_header_format_reset;
1738 void config_changed (const char*);
1740 XMLNode& get_control_protocol_state ();
1742 void set_history_depth (uint32_t depth);
1743 void sync_order_keys ();
1745 static bool _disable_all_loaded_plugins;
1747 SessionMetadata * _metadata;
1749 mutable bool have_looped; ///< Used in ::audible_frame(*)
1751 void update_have_rec_enabled_diskstream ();
1752 gint _have_rec_enabled_diskstream;
1755 } // namespace ARDOUR
1757 #endif /* __ardour_session_h__ */