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/rc_configuration.h"
55 #include "ardour/session_configuration.h"
56 #include "ardour/location.h"
57 #include "ardour/smpte.h"
58 #include "ardour/interpolation.h"
78 class AudioDiskstream;
80 class AudioFileSource;
89 class ControlProtocolInfo;
111 class SessionDirectory;
112 class SessionMetadata;
118 class Session : public PBD::StatefulDestructible, public boost::noncopyable
121 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
122 typedef std::vector<RouteBooleanState> GlobalRouteBooleanState;
123 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
124 typedef std::vector<RouteMeterState> GlobalRouteMeterState;
148 InputConfigurationChange,
152 /* only one of each of these events can be queued at any one time */
167 nframes_t action_frame;
168 nframes_t target_frame;
174 nframes_t target2_frame;
179 std::list<AudioRange> audio_range;
180 std::list<MusicRange> music_range;
182 boost::shared_ptr<Region> region;
184 Event(Type t, Action a, nframes_t when, nframes_t where, double spd, bool yn = false)
187 , action_frame (when)
188 , target_frame (where)
193 void set_ptr (void* p) {
197 bool before (const Event& other) const {
198 return action_frame < other.action_frame;
201 bool after (const Event& other) const {
202 return action_frame > other.action_frame;
205 static bool compare (const Event *e1, const Event *e2) {
206 return e1->before (*e2);
209 void *operator new (size_t ignored) {
210 return pool.alloc ();
213 void operator delete(void *ptr, size_t size) {
217 static const nframes_t Immediate = 0;
220 static MultiAllocSingleReleasePool pool;
223 /* creating from an XML file */
225 Session (AudioEngine&,
226 const std::string& fullpath,
227 const std::string& snapshot_name,
228 std::string mix_template = "");
230 /* creating a new Session */
232 Session (AudioEngine&,
233 std::string fullpath,
234 std::string snapshot_name,
235 AutoConnectOption input_auto_connect,
236 AutoConnectOption output_auto_connect,
237 uint32_t control_out_channels,
238 uint32_t master_out_channels,
239 uint32_t n_physical_in,
240 uint32_t n_physical_out,
241 nframes_t initial_length);
245 std::string path() const { return _path; }
246 std::string name() const { return _name; }
247 std::string snap_name() const { return _current_snapshot_name; }
248 std::string raid_path () const;
250 void set_snap_name ();
254 bool dirty() const { return _state_of_the_state & Dirty; }
255 void set_deletion_in_progress ();
256 void clear_deletion_in_progress ();
257 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
258 sigc::signal<void> DirtyChanged;
260 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
262 static sigc::signal<void> AutoBindingOn;
263 static sigc::signal<void> AutoBindingOff;
265 static sigc::signal<void,std::string> Dialog;
267 std::string sound_dir (bool with_path = true) const;
268 std::string peak_dir () const;
269 std::string dead_sound_dir () const;
270 std::string automation_dir () const;
271 std::string analysis_dir() const;
273 int ensure_subdirs ();
275 Glib::ustring peak_path (Glib::ustring) const;
277 static std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
279 std::string peak_path_from_audio_path (std::string) const;
280 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
281 std::string new_midi_source_name (const std::string&);
282 std::string new_source_path_from_name (DataType type, const std::string&);
283 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
285 void process (nframes_t nframes);
287 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
288 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
289 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
291 void add_diskstream (boost::shared_ptr<Diskstream>);
292 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
293 boost::shared_ptr<Diskstream> diskstream_by_name (std::string name);
294 bool have_rec_enabled_diskstream () const;
296 bool have_captured() const { return _have_captured; }
298 void refill_all_diskstream_buffers ();
299 uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
300 uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
302 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
303 uint32_t n_diskstreams() const;
305 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
307 int load_routes (const XMLNode&);
308 boost::shared_ptr<RouteList> get_routes() const {
309 return routes.reader ();
312 uint32_t nroutes() const { return routes.reader()->size(); }
313 uint32_t ntracks () const;
314 uint32_t nbusses () const;
316 boost::shared_ptr<BundleList> bundles () {
317 return _bundles.reader ();
320 struct RoutePublicOrderSorter {
321 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
324 void sync_order_keys (const char* base);
326 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
327 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
328 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
330 boost::shared_ptr<Route> route_by_name (std::string);
331 boost::shared_ptr<Route> route_by_id (PBD::ID);
332 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
334 bool route_name_unique (std::string) const;
335 bool route_name_internal (std::string) const;
337 bool get_record_enabled() const {
338 return (record_status () >= Enabled);
341 RecordState record_status() const {
342 return (RecordState) g_atomic_int_get (&_record_status);
345 bool actively_recording () {
346 return record_status() == Recording;
349 bool record_enabling_legal () const;
350 void maybe_enable_record ();
351 void disable_record (bool rt_context, bool force = false);
352 void step_back_from_record ();
354 void maybe_write_autosave ();
356 /* Proxy signal for region hidden changes */
358 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
360 /* Emitted when all i/o connections are complete */
362 sigc::signal<void> IOConnectionsComplete;
364 /* Record status signals */
366 sigc::signal<void> RecordStateChanged;
368 /* Transport mechanism signals */
370 sigc::signal<void> TransportStateChange; /* generic */
371 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
372 sigc::signal<void> DurationChanged;
373 sigc::signal<void,nframes_t> Xrun;
374 sigc::signal<void> TransportLooped;
376 /** emitted when a locate has occurred */
377 sigc::signal<void> Located;
379 sigc::signal<void,RouteList&> RouteAdded;
380 sigc::signal<void> RouteEditGroupChanged;
382 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
383 void request_bounded_roll (nframes_t start, nframes_t end);
384 void request_stop (bool abort = false);
385 void request_locate (nframes_t frame, bool with_roll = false);
387 void request_play_loop (bool yn);
388 bool get_play_loop () const { return play_loop; }
390 nframes_t last_transport_start() const { return _last_roll_location; }
391 void goto_end () { request_locate (end_location->start(), false);}
392 void goto_start () { request_locate (start_location->start(), false); }
393 void set_session_start (nframes_t start) { start_location->set_start(start); }
394 void set_session_end (nframes_t end) { end_location->set_start(end); config.set_end_marker_is_free (false); }
395 void use_rf_shuttle_speed ();
396 void allow_auto_play (bool yn);
397 void request_transport_speed (double speed);
398 void request_overwrite_buffer (Diskstream*);
399 void request_diskstream_speed (Diskstream&, double speed);
400 void request_input_change_handling ();
402 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
403 bool transport_locked () const;
407 int remove_region_from_region_list (boost::shared_ptr<Region>);
409 nframes_t get_maximum_extent () const;
410 nframes_t current_end_frame() const { return end_location->start(); }
411 nframes_t current_start_frame() const { return start_location->start(); }
412 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
413 nframes_t frame_rate() const { return _current_frame_rate; }
414 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
415 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
416 nframes_t frames_per_hour() const { return _frames_per_hour; }
418 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
419 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
421 MIDI::byte get_mtc_smpte_bits() const {
422 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
425 float smpte_frames_per_second() const;
426 bool smpte_drop_frames() const;
430 Locations *locations() { return &_locations; }
432 sigc::signal<void,Location*> auto_loop_location_changed;
433 sigc::signal<void,Location*> auto_punch_location_changed;
434 sigc::signal<void> locations_modified;
436 void set_auto_punch_location (Location *);
437 void set_auto_loop_location (Location *);
438 int location_name(std::string& result, std::string base = std::string(""));
440 void reset_input_monitor_state ();
442 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
443 void remove_event (nframes_t frame, Event::Type type);
444 void clear_events (Event::Type type);
446 nframes_t get_block_size() const { return current_block_size; }
447 nframes_t worst_output_latency () const { return _worst_output_latency; }
448 nframes_t worst_input_latency () const { return _worst_input_latency; }
449 nframes_t worst_track_latency () const { return _worst_track_latency; }
451 int save_state (std::string snapshot_name, bool pending = false);
452 int restore_state (std::string snapshot_name);
453 int save_template (std::string template_name);
454 int save_history (std::string snapshot_name = "");
455 int restore_history (std::string snapshot_name);
456 void remove_state (std::string snapshot_name);
457 void rename_state (std::string old_name, std::string new_name);
458 void remove_pending_capture_state ();
460 static int rename_template (std::string old_name, std::string new_name);
461 static int delete_template (std::string name);
463 sigc::signal<void,std::string> StateSaved;
464 sigc::signal<void> StateReady;
466 std::vector<std::string*>* possible_states() const;
467 static std::vector<std::string*>* possible_states (std::string path);
469 XMLNode& get_state();
470 int set_state(const XMLNode& node); // not idempotent
471 XMLNode& get_template();
473 /// The instant xml file is written to the session directory
474 void add_instant_xml (XMLNode&, bool write_to_config = true);
475 XMLNode* instant_xml (const std::string& str);
477 enum StateOfTheState {
482 InitialConnecting = 0x8,
487 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
489 void add_edit_group (RouteGroup *);
490 void add_mix_group (RouteGroup *);
492 void remove_edit_group (RouteGroup&);
493 void remove_mix_group (RouteGroup&);
495 RouteGroup *mix_group_by_name (std::string);
496 RouteGroup *edit_group_by_name (std::string);
498 sigc::signal<void,RouteGroup*> edit_group_added;
499 sigc::signal<void,RouteGroup*> mix_group_added;
500 sigc::signal<void> edit_group_removed;
501 sigc::signal<void> mix_group_removed;
503 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
504 for (std::list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
509 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
510 for (std::list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
515 /* fundamental operations. duh. */
517 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
518 int input_channels, int output_channels, TrackMode mode = Normal, RouteGroup* edit_group = 0, uint32_t how_many = 1
521 RouteList new_audio_route (int input_channels, int output_channels, RouteGroup* edit_group, uint32_t how_many);
523 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
524 TrackMode mode = Normal, RouteGroup* edit_group = 0, uint32_t how_many = 1
527 void remove_route (boost::shared_ptr<Route>);
528 void resort_routes ();
529 void resort_routes_using (boost::shared_ptr<RouteList>);
531 void set_remote_control_ids();
533 AudioEngine & engine() { return _engine; }
534 AudioEngine const & engine () const { return _engine; }
541 nframes_t transport_frame () const {return _transport_frame; }
542 nframes_t audible_frame () const;
543 nframes64_t requested_return_frame() const { return _requested_return_frame; }
557 void sync_time_vars();
559 void bbt_time (nframes_t when, BBT_Time&);
560 void smpte_to_sample(SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes) const;
561 void sample_to_smpte(nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes) const;
562 void smpte_time (SMPTE::Time &);
563 void smpte_time (nframes_t when, SMPTE::Time&);
564 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
566 void smpte_duration (nframes_t, SMPTE::Time&) const;
567 void smpte_duration_string (char *, nframes_t) const;
569 void set_smpte_offset (nframes_t);
570 nframes_t smpte_offset () const { return _smpte_offset; }
571 void set_smpte_offset_negative (bool);
572 bool smpte_offset_negative () const { return _smpte_offset_negative; }
574 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
576 static sigc::signal<void> StartTimeChanged;
577 static sigc::signal<void> EndTimeChanged;
578 static sigc::signal<void> SMPTEOffsetChanged;
580 void request_slave_source (SlaveSource);
581 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
583 double transport_speed() const { return _transport_speed; }
584 bool transport_stopped() const { return _transport_speed == 0.0f; }
585 bool transport_rolling() const { return _transport_speed != 0.0f; }
587 void set_silent (bool yn);
588 bool silent () { return _silent; }
590 int jack_slave_sync (nframes_t);
592 TempoMap& tempo_map() { return *_tempo_map; }
594 /// signals the current transport position in frames, bbt and smpte time (in that order)
595 sigc::signal<void, const nframes_t&, const BBT_Time&, const SMPTE::Time&> tick;
599 void add_regions (std::vector<boost::shared_ptr<Region> >&);
601 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
602 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
603 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
605 int region_name (std::string& result, std::string base = std::string(""), bool newlevel = false);
606 std::string new_region_name (std::string);
607 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
609 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
611 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
613 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
614 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
615 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
617 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
619 /* source management */
621 struct ImportStatus : public InterThreadInfo {
622 std::string doing_what;
627 volatile bool freeze;
628 std::vector<Glib::ustring> paths;
629 bool replace_existing_source;
635 void import_audiofiles (ImportStatus&);
636 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
637 std::string build_tmp_convert_name (std::string file);
639 boost::shared_ptr<ExportHandler> get_export_handler ();
640 boost::shared_ptr<ExportStatus> get_export_status ();
642 int start_audio_export (nframes_t position, bool realtime);
644 sigc::signal<int, nframes_t> ProcessExport;
645 sigc::signal<void> ExportReadFinished;
646 static sigc::signal<void, std::string, std::string> Exported;
648 void add_source (boost::shared_ptr<Source>);
649 void remove_source (boost::weak_ptr<Source>);
651 struct cleanup_report {
652 std::vector<std::string> paths;
656 int cleanup_sources (cleanup_report&);
657 int cleanup_trash_sources (cleanup_report&);
659 int destroy_region (boost::shared_ptr<Region>);
660 int destroy_regions (std::list<boost::shared_ptr<Region> >);
662 int remove_last_capture ();
664 /** handlers should return -1 for "stop cleanup",
665 0 for "yes, delete this playlist",
666 1 for "no, don't delete this playlist".
668 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
670 /** handlers should return 0 for "ignore the rate mismatch",
671 !0 for "do not use this session"
673 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
675 /** handlers should return !0 for use pending state, 0 for ignore it.
677 static sigc::signal<int> AskAboutPendingState;
679 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
681 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
683 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
684 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
686 /* playlist management */
688 boost::shared_ptr<Playlist> playlist_by_name (std::string name);
689 void unassigned_playlists (std::list<boost::shared_ptr<Playlist> > & list);
690 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
691 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
692 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
694 uint32_t n_playlists() const;
696 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
697 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
699 /* named selections */
701 NamedSelection* named_selection_by_name (std::string name);
702 void add_named_selection (NamedSelection *);
703 void remove_named_selection (NamedSelection *);
705 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
706 sigc::signal<void> NamedSelectionAdded;
707 sigc::signal<void> NamedSelectionRemoved;
709 /* Curves and AutomationLists (TODO when they go away) */
710 void add_automation_list(AutomationList*);
714 float get_default_fade_length () const { return default_fade_msecs; }
715 float get_default_fade_steepness () const { return default_fade_steepness; }
716 void set_default_fade (float steepness, float msecs);
720 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
721 void audition_playlist ();
722 void audition_region (boost::shared_ptr<Region>);
723 void cancel_audition ();
724 bool is_auditioning () const;
726 sigc::signal<void,bool> AuditionActive;
728 /* flattening stuff */
730 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
731 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
732 bool enable_processing = true);
733 int freeze (InterThreadInfo&);
735 /* session-wide solo/mute/rec-enable */
737 bool soloing() const { return _non_soloed_outs_muted; }
739 void set_all_solo (bool);
740 void set_all_mute (bool);
742 sigc::signal<void,bool> SoloActive;
743 sigc::signal<void> SoloChanged;
745 void record_disenable_all ();
746 void record_enable_all ();
748 /* control/master out */
750 boost::shared_ptr<Route> control_out() const { return _control_out; }
751 boost::shared_ptr<Route> master_out() const { return _master_out; }
753 static void set_disable_all_loaded_plugins (bool yn) {
754 _disable_all_loaded_plugins = yn;
756 static bool get_disable_all_loaded_plugins() {
757 return _disable_all_loaded_plugins;
760 uint32_t next_send_id();
761 uint32_t next_return_id();
762 uint32_t next_insert_id();
763 void mark_send_id (uint32_t);
764 void mark_return_id (uint32_t);
765 void mark_insert_id (uint32_t);
767 /* s/w "RAID" management */
769 nframes_t available_capture_duration();
773 void add_bundle (boost::shared_ptr<Bundle>);
774 void remove_bundle (boost::shared_ptr<Bundle>);
775 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
777 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
778 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
782 void midi_panic(void);
783 int set_mtc_port (std::string port_tag);
784 int set_mmc_port (std::string port_tag);
785 int set_midi_port (std::string port_tag);
786 int set_midi_clock_port (std::string port_tag);
787 MIDI::Port *mtc_port() const { return _mtc_port; }
788 MIDI::Port *mmc_port() const { return _mmc_port; }
789 MIDI::Port *midi_port() const { return _midi_port; }
790 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
792 sigc::signal<void> MTC_PortChanged;
793 sigc::signal<void> MMC_PortChanged;
794 sigc::signal<void> MIDI_PortChanged;
795 sigc::signal<void> MIDIClock_PortChanged;
797 void set_trace_midi_input (bool, MIDI::Port* port = 0);
798 void set_trace_midi_output (bool, MIDI::Port* port = 0);
800 bool get_trace_midi_input(MIDI::Port *port = 0);
801 bool get_trace_midi_output(MIDI::Port *port = 0);
803 void set_mmc_receive_device_id (uint32_t id);
804 void set_mmc_send_device_id (uint32_t id);
808 void start_scrub (nframes_t where);
810 void set_scrub_speed (float);
811 nframes_t scrub_buffer_size() const;
812 sigc::signal<void> ScrubReady;
814 /* History (for editors, mixers, UIs etc.) */
816 /** Undo some transactions.
817 * @param n Number of transactions to undo.
819 void undo (uint32_t n) {
823 void redo (uint32_t n) {
827 UndoHistory& history() { return _history; }
829 uint32_t undo_depth() const { return _history.undo_depth(); }
830 uint32_t redo_depth() const { return _history.redo_depth(); }
831 std::string next_undo() const { return _history.next_undo(); }
832 std::string next_redo() const { return _history.next_redo(); }
834 void begin_reversible_command (const std::string& cmd_name);
835 void commit_reversible_command (Command* cmd = 0);
837 void add_command (Command *const cmd) {
838 assert(!_current_trans.empty ());
839 _current_trans.top()->add_command (cmd);
842 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
844 // these commands are implemented in libs/ardour/session_command.cc
845 Command* memento_command_factory(XMLNode* n);
846 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
848 Command* global_state_command_factory (const XMLNode& n);
850 class GlobalRouteStateCommand : public Command
853 GlobalRouteStateCommand (Session&, void*);
854 GlobalRouteStateCommand (Session&, const XMLNode& node);
855 int set_state (const XMLNode&);
856 XMLNode& get_state ();
859 GlobalRouteBooleanState before, after;
865 class GlobalSoloStateCommand : public GlobalRouteStateCommand
868 GlobalSoloStateCommand (Session &, void *src);
869 GlobalSoloStateCommand (Session&, const XMLNode&);
870 void operator()(); //redo
872 XMLNode &get_state();
876 class GlobalMuteStateCommand : public GlobalRouteStateCommand
879 GlobalMuteStateCommand(Session &, void *src);
880 GlobalMuteStateCommand (Session&, const XMLNode&);
881 void operator()(); // redo
883 XMLNode &get_state();
887 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
890 GlobalRecordEnableStateCommand(Session &, void *src);
891 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
892 void operator()(); // redo
894 XMLNode &get_state();
898 class GlobalMeteringStateCommand : public Command
901 GlobalMeteringStateCommand(Session &, void *src);
902 GlobalMeteringStateCommand (Session&, const XMLNode&);
905 XMLNode &get_state();
906 int set_state (const XMLNode&);
912 GlobalRouteMeterState before;
913 GlobalRouteMeterState after;
918 boost::shared_ptr<IO> click_io() { return _click_io; }
920 /* disk, buffer loads */
922 uint32_t playback_load ();
923 uint32_t capture_load ();
924 uint32_t playback_load_min ();
925 uint32_t capture_load_min ();
927 void reset_playback_load_min ();
928 void reset_capture_load_min ();
930 float read_data_rate () const; // in usec
931 float write_data_rate () const;
935 void set_audio_range (std::list<AudioRange>&);
936 void set_music_range (std::list<MusicRange>&);
938 void request_play_range (bool yn);
939 bool get_play_range () const { return _play_range; }
941 /* buffers for gain and pan */
943 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
944 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
946 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
950 static long vst_callback (AEffect* effect,
957 static sigc::signal<void> SendFeedback;
961 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
963 void add_controllable (boost::shared_ptr<PBD::Controllable>);
964 void remove_controllable (PBD::Controllable*);
966 SessionMetadata & metadata () { return *_metadata; }
968 SessionConfiguration config;
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 // varispeed playback
1024 double _target_transport_speed;
1025 LinearInterpolation interpolation;
1026 bool auto_play_legal;
1027 nframes_t _last_slave_transport_frame;
1028 nframes_t maximum_output_latency;
1029 volatile nframes64_t _requested_return_frame;
1030 BufferSet* _scratch_buffers;
1031 BufferSet* _silent_buffers;
1032 BufferSet* _mix_buffers;
1033 nframes_t current_block_size;
1034 nframes_t _worst_output_latency;
1035 nframes_t _worst_input_latency;
1036 nframes_t _worst_track_latency;
1037 bool _have_captured;
1039 float _meter_falloff;
1040 bool _non_soloed_outs_muted;
1042 void set_worst_io_latencies ();
1043 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1044 set_worst_io_latencies ();
1047 void update_latency_compensation_proxy (void* ignored);
1049 void ensure_buffers (ChanCount howmany);
1051 void process_scrub (nframes_t);
1052 void process_without_events (nframes_t);
1053 void process_with_events (nframes_t);
1054 void process_audition (nframes_t);
1055 void process_export (nframes_t);
1056 int process_export_fw (nframes_t);
1058 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1059 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1060 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1062 /* slave tracking */
1064 static const int delta_accumulator_size = 25;
1065 int delta_accumulator_cnt;
1066 long delta_accumulator[delta_accumulator_size];
1067 long average_slave_delta;
1069 bool have_first_delta_accumulator;
1077 SlaveState slave_state;
1078 nframes_t slave_wait_end;
1080 void reset_slave_state ();
1081 bool follow_slave (nframes_t);
1082 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
1083 void track_slave_state(float slave_speed, nframes_t slave_transport_frame,
1084 nframes_t this_delta, bool starting);
1085 void follow_slave_silently(nframes_t nframes, float slave_speed);
1087 void set_slave_source (SlaveSource);
1089 SlaveSource post_export_slave;
1090 nframes_t post_export_position;
1093 bool _exporting_realtime;
1095 boost::shared_ptr<ExportHandler> export_handler;
1096 boost::shared_ptr<ExportStatus> export_status;
1099 int stop_audio_export ();
1100 void finalize_audio_export ();
1102 sigc::connection export_freewheel_connection;
1104 void prepare_diskstreams ();
1105 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1106 int process_routes (nframes_t);
1107 int silent_process_routes (nframes_t);
1109 bool get_rec_monitors_input () {
1110 if (actively_recording()) {
1113 if (config.get_auto_input()) {
1121 int get_transport_declick_required () {
1122 if (transport_sub_state & PendingDeclickIn) {
1123 transport_sub_state &= ~PendingDeclickIn;
1125 } else if (transport_sub_state & PendingDeclickOut) {
1132 bool maybe_stop (nframes_t limit) {
1133 if ( (_transport_speed > 0.0f && _transport_frame >= limit)
1134 || (_transport_speed < 0.0f && _transport_frame == 0) ) {
1141 bool maybe_sync_start (nframes_t&);
1143 void check_declick_out ();
1145 MIDI::MachineControl* mmc;
1146 MIDI::Port* _mmc_port;
1147 MIDI::Port* _mtc_port;
1148 MIDI::Port* _midi_port;
1149 MIDI::Port* _midi_clock_port;
1152 bool session_send_mmc;
1153 bool session_send_mtc;
1154 bool session_midi_feedback;
1157 nframes_t last_loopend;
1159 boost::scoped_ptr<SessionDirectory> _session_dir;
1161 RingBuffer<Event*> pending_events;
1164 void when_engine_running ();
1165 void graph_reordered ();
1167 std::string _current_snapshot_name;
1169 XMLTree* state_tree;
1170 bool state_was_pending;
1171 StateOfTheState _state_of_the_state;
1174 int load_options (const XMLNode&);
1175 int load_state (std::string snapshot_name);
1177 nframes_t _last_roll_location;
1178 nframes_t _last_record_location;
1180 bool pending_locate_roll;
1181 nframes_t pending_locate_frame;
1182 bool pending_locate_flush;
1184 bool pending_auto_loop;
1186 Sample* butler_mixdown_buffer;
1187 float* butler_gain_buffer;
1188 pthread_t butler_thread;
1189 Glib::Mutex butler_request_lock;
1190 Glib::Cond butler_paused;
1191 bool butler_should_run;
1192 mutable gint butler_should_do_transport_work;
1193 int butler_request_pipe[2];
1195 inline bool transport_work_requested() const {
1196 return g_atomic_int_get(&butler_should_do_transport_work);
1199 struct ButlerRequest {
1208 enum PostTransportWork {
1209 PostTransportStop = 0x1,
1210 PostTransportDisableRecord = 0x2,
1211 PostTransportPosition = 0x8,
1212 PostTransportDidRecord = 0x20,
1213 PostTransportDuration = 0x40,
1214 PostTransportLocate = 0x80,
1215 PostTransportRoll = 0x200,
1216 PostTransportAbort = 0x800,
1217 PostTransportOverWrite = 0x1000,
1218 PostTransportSpeed = 0x2000,
1219 PostTransportAudition = 0x4000,
1220 PostTransportScrub = 0x8000,
1221 PostTransportReverse = 0x10000,
1222 PostTransportInputChange = 0x20000,
1223 PostTransportCurveRealloc = 0x40000
1226 static const PostTransportWork ProcessCannotProceedMask =
1228 PostTransportInputChange|
1230 PostTransportReverse|
1231 PostTransportCurveRealloc|
1233 PostTransportAudition|
1234 PostTransportLocate|
1237 PostTransportWork post_transport_work;
1239 void summon_butler ();
1240 void schedule_butler_transport_work ();
1241 int start_butler_thread ();
1242 void terminate_butler_thread ();
1243 static void *_butler_thread_work (void *arg);
1244 void* butler_thread_work ();
1246 uint32_t cumulative_rf_motion;
1249 void set_rf_speed (float speed);
1250 void reset_rf_scale (nframes_t frames_moved);
1252 Locations _locations;
1253 void locations_changed ();
1254 void locations_added (Location*);
1255 void handle_locations_changed (Locations::LocationList&);
1257 sigc::connection auto_punch_start_changed_connection;
1258 sigc::connection auto_punch_end_changed_connection;
1259 sigc::connection auto_punch_changed_connection;
1260 void auto_punch_start_changed (Location *);
1261 void auto_punch_end_changed (Location *);
1262 void auto_punch_changed (Location *);
1264 sigc::connection auto_loop_start_changed_connection;
1265 sigc::connection auto_loop_end_changed_connection;
1266 sigc::connection auto_loop_changed_connection;
1267 void auto_loop_changed (Location *);
1269 typedef std::list<Event *> Events;
1271 Events immediate_events;
1272 Events::iterator next_event;
1274 /* there can only ever be one of each of these */
1276 Event *auto_loop_event;
1277 Event *punch_out_event;
1278 Event *punch_in_event;
1282 void dump_events () const;
1283 void queue_event (Event *ev);
1284 void merge_event (Event*);
1285 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1286 bool _replace_event (Event*);
1287 bool _remove_event (Event *);
1288 void _clear_event_type (Event::Type);
1290 void first_stage_init (std::string path, std::string snapshot_name);
1291 int second_stage_init (bool new_tracks);
1292 void find_current_end ();
1293 void remove_empty_sounds ();
1295 void setup_midi_control ();
1296 int midi_read (MIDI::Port *);
1298 void enable_record ();
1300 void increment_transport_position (uint32_t val) {
1301 if (max_frames - val < _transport_frame) {
1302 _transport_frame = max_frames;
1304 _transport_frame += val;
1308 void decrement_transport_position (uint32_t val) {
1309 if (val < _transport_frame) {
1310 _transport_frame -= val;
1312 _transport_frame = 0;
1316 void post_transport_motion ();
1317 static void *session_loader_thread (void *arg);
1321 void set_next_event ();
1322 void process_event (Event *ev);
1324 /* MIDI Machine Control */
1326 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1328 void spp_start (MIDI::Parser&, nframes_t timestamp);
1329 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1330 void spp_stop (MIDI::Parser&, nframes_t timestamp);
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 std::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. This helps when we
1370 * have multiple clocks showing the same time (e.g. the transport frame) */
1371 bool last_smpte_valid;
1372 nframes_t last_smpte_when;
1373 SMPTE::Time last_smpte;
1375 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1377 int send_full_time_code(nframes_t nframes);
1378 int send_midi_time_code_for_cycle(nframes_t nframes);
1380 nframes_t adjust_apparent_position (nframes_t frames);
1382 void reset_record_status ();
1384 int no_roll (nframes_t nframes);
1385 int fail_roll (nframes_t nframes);
1387 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1388 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1390 struct MIDIRequest {
1398 Glib::Mutex midi_lock;
1399 pthread_t midi_thread;
1400 int midi_request_pipe[2];
1401 RingBuffer<MIDIRequest*> midi_requests;
1403 int start_midi_thread ();
1404 void terminate_midi_thread ();
1405 void poke_midi_thread ();
1406 static void *_midi_thread_work (void *arg);
1407 void midi_thread_work ();
1408 void change_midi_ports ();
1409 int use_config_midi_ports ();
1411 void set_play_loop (bool yn);
1412 void overwrite_some_buffers (Diskstream*);
1413 void flush_all_inserts ();
1414 int micro_locate (nframes_t distance);
1415 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1416 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1417 void force_locate (nframes_t frame, bool with_roll = false);
1418 void set_diskstream_speed (Diskstream*, double speed);
1419 void set_transport_speed (double speed, bool abort = false);
1420 void stop_transport (bool abort = false);
1421 void start_transport ();
1422 void realtime_stop (bool abort);
1423 void non_realtime_start_scrub ();
1424 void non_realtime_set_speed ();
1425 void non_realtime_locate ();
1426 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1427 void non_realtime_overwrite (int entry_request_count, bool& finished);
1428 void butler_transport_work ();
1429 void post_transport ();
1430 void engine_halted ();
1431 void xrun_recovery ();
1433 TempoMap *_tempo_map;
1434 void tempo_map_changed (Change);
1436 /* edit/mix groups */
1438 int load_route_groups (const XMLNode&, bool is_edit);
1439 int load_edit_groups (const XMLNode&);
1440 int load_mix_groups (const XMLNode&);
1443 std::list<RouteGroup *> edit_groups;
1444 std::list<RouteGroup *> mix_groups;
1448 SerializedRCUManager<DiskstreamList> diskstreams;
1450 uint32_t audio_dstream_buffer_size;
1451 uint32_t midi_dstream_buffer_size;
1452 int load_diskstreams (const XMLNode&);
1456 SerializedRCUManager<RouteList> routes;
1458 void add_routes (RouteList&, bool save);
1459 uint32_t destructive_index;
1461 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1465 bool solo_update_disabled;
1467 void route_mute_changed (void *src);
1468 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1469 void catch_up_on_solo ();
1470 void catch_up_on_solo_mute_override ();
1471 void solo_model_changed ();
1472 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1473 void modify_solo_mute (bool, bool);
1474 void strip_portname_for_solo (std::string& portname);
1476 /* REGION MANAGEMENT */
1478 std::map<std::string,uint32_t> region_name_map;
1479 void update_region_name_map (boost::shared_ptr<Region>);
1481 mutable Glib::Mutex region_lock;
1482 typedef std::map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1485 void add_region (boost::shared_ptr<Region>);
1486 void region_changed (Change, boost::weak_ptr<Region>);
1487 void remove_region (boost::weak_ptr<Region>);
1489 int load_regions (const XMLNode& node);
1491 void route_edit_group_changed ();
1495 mutable Glib::Mutex source_lock;
1496 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1501 SourceMap get_sources() { return sources; }
1504 int load_sources (const XMLNode& node);
1505 XMLNode& get_sources_as_xml ();
1507 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1511 mutable Glib::Mutex playlist_lock;
1512 typedef std::set<boost::shared_ptr<Playlist> > PlaylistList;
1513 PlaylistList playlists;
1514 PlaylistList unused_playlists;
1516 int load_playlists (const XMLNode&);
1517 int load_unused_playlists (const XMLNode&);
1518 void remove_playlist (boost::weak_ptr<Playlist>);
1519 void track_playlist (bool, boost::weak_ptr<Playlist>);
1521 boost::shared_ptr<Playlist> playlist_factory (std::string name);
1522 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1524 void playlist_length_changed ();
1525 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1527 /* NAMED SELECTIONS */
1529 mutable Glib::Mutex named_selection_lock;
1530 typedef std::set<NamedSelection *> NamedSelectionList;
1531 NamedSelectionList named_selections;
1533 int load_named_selections (const XMLNode&);
1535 NamedSelection *named_selection_factory (std::string name);
1536 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1538 /* CURVES and AUTOMATION LISTS */
1539 std::map<PBD::ID, AutomationList*> automation_lists;
1541 /* DEFAULT FADE CURVES */
1543 float default_fade_steepness;
1544 float default_fade_msecs;
1548 boost::shared_ptr<Auditioner> auditioner;
1549 void set_audition (boost::shared_ptr<Region>);
1550 void non_realtime_set_audition ();
1551 boost::shared_ptr<Region> pending_audition_region;
1557 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1559 /* INSERT AND SEND MANAGEMENT */
1561 boost::dynamic_bitset<uint32_t> send_bitset;
1562 boost::dynamic_bitset<uint32_t> return_bitset;
1563 boost::dynamic_bitset<uint32_t> insert_bitset;
1565 void add_processor (Processor *);
1566 void remove_processor (Processor *);
1570 struct space_and_path {
1571 uint32_t blocks; /* 4kB blocks */
1579 struct space_and_path_ascending_cmp {
1580 bool operator() (space_and_path a, space_and_path b) {
1581 return a.blocks > b.blocks;
1585 void setup_raid_path (std::string path);
1587 std::vector<space_and_path> session_dirs;
1588 std::vector<space_and_path>::iterator last_rr_session_dir;
1589 uint32_t _total_free_4k_blocks;
1590 Glib::Mutex space_lock;
1592 std::string get_best_session_directory_for_new_source ();
1593 void refresh_disk_space ();
1595 mutable gint _playback_load;
1596 mutable gint _capture_load;
1597 mutable gint _playback_load_min;
1598 mutable gint _capture_load_min;
1602 SerializedRCUManager<BundleList> _bundles;
1603 XMLNode* _bundle_xml_node;
1604 int load_bundles (XMLNode const &);
1606 void reverse_diskstream_buffers ();
1608 UndoHistory _history;
1609 std::stack<UndoTransaction*> _current_trans;
1611 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1612 GlobalRouteMeterState get_global_route_metering ();
1614 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1615 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1617 void set_global_mute (GlobalRouteBooleanState s, void *src);
1618 void set_global_solo (GlobalRouteBooleanState s, void *src);
1619 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1621 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1622 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1623 void reset_jack_connection (jack_client_t* jack);
1624 void record_enable_change_all (bool yn);
1626 XMLNode& state(bool);
1636 Click (nframes_t s, nframes_t d, const Sample *b)
1637 : start (s), duration (d), data (b) { offset = 0; }
1639 void *operator new(size_t ignored) {
1640 return pool.alloc ();
1643 void operator delete(void *ptr, size_t size) {
1651 typedef std::list<Click*> Clicks;
1655 boost::shared_ptr<IO> _click_io;
1657 Sample* click_emphasis_data;
1658 nframes_t click_length;
1659 nframes_t click_emphasis_length;
1660 mutable Glib::RWLock click_lock;
1662 static const Sample default_click[];
1663 static const nframes_t default_click_length;
1664 static const Sample default_click_emphasis[];
1665 static const nframes_t default_click_emphasis_length;
1668 void setup_click_sounds (int which);
1669 void clear_clicks ();
1670 void click (nframes_t start, nframes_t nframes);
1672 std::vector<Route*> master_outs;
1674 /* range playback */
1676 std::list<AudioRange> current_audio_range;
1678 void set_play_range (bool yn);
1679 void setup_auto_play ();
1684 boost::shared_ptr<Route> _master_out;
1685 boost::shared_ptr<Route> _control_out;
1687 gain_t* _gain_automation_buffer;
1688 pan_t** _pan_automation_buffer;
1689 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1690 uint32_t _npan_buffers;
1694 long _vst_callback (VSTPlugin*,
1701 /* number of hardware ports we're using,
1702 based on max (requested,available)
1705 uint32_t n_physical_outputs;
1706 uint32_t n_physical_inputs;
1708 uint32_t n_physical_audio_outputs;
1709 uint32_t n_physical_audio_inputs;
1711 uint32_t n_physical_midi_outputs;
1712 uint32_t n_physical_midi_inputs;
1714 int find_all_sources (std::string path, std::set<std::string>& result);
1715 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1717 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1718 Glib::Mutex controllables_lock;
1719 Controllables controllables;
1721 void reset_native_file_format();
1722 bool first_file_data_format_reset;
1723 bool first_file_header_format_reset;
1725 void config_changed (std::string, bool);
1727 XMLNode& get_control_protocol_state ();
1729 void set_history_depth (uint32_t depth);
1730 void sync_order_keys ();
1732 static bool _disable_all_loaded_plugins;
1734 SessionMetadata * _metadata;
1736 mutable bool have_looped; ///< Used in ::audible_frame(*)
1738 void update_have_rec_enabled_diskstream ();
1739 gint _have_rec_enabled_diskstream;
1742 } // namespace ARDOUR
1744 #endif /* __ardour_session_h__ */