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;
121 class Session : public PBD::StatefulDestructible, public boost::noncopyable
124 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
125 typedef vector<RouteBooleanState> GlobalRouteBooleanState;
126 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
127 typedef vector<RouteMeterState> GlobalRouteMeterState;
151 InputConfigurationChange,
155 /* only one of each of these events can be queued at any one time */
170 nframes_t action_frame;
171 nframes_t target_frame;
177 nframes_t target2_frame;
182 list<AudioRange> audio_range;
183 list<MusicRange> music_range;
185 boost::shared_ptr<Region> region;
187 Event(Type t, Action a, nframes_t when, nframes_t where, double spd, bool yn = false)
190 , action_frame (when)
191 , target_frame (where)
196 void set_ptr (void* p) {
200 bool before (const Event& other) const {
201 return action_frame < other.action_frame;
204 bool after (const Event& other) const {
205 return action_frame > other.action_frame;
208 static bool compare (const Event *e1, const Event *e2) {
209 return e1->before (*e2);
212 void *operator new (size_t ignored) {
213 return pool.alloc ();
216 void operator delete(void *ptr, size_t size) {
220 static const nframes_t Immediate = 0;
223 static MultiAllocSingleReleasePool pool;
226 /* creating from an XML file */
228 Session (AudioEngine&,
229 const string& fullpath,
230 const string& snapshot_name,
231 string mix_template = "");
233 /* creating a new Session */
235 Session (AudioEngine&,
237 string snapshot_name,
238 AutoConnectOption input_auto_connect,
239 AutoConnectOption output_auto_connect,
240 uint32_t control_out_channels,
241 uint32_t master_out_channels,
242 uint32_t n_physical_in,
243 uint32_t n_physical_out,
244 nframes_t initial_length);
248 string path() const { return _path; }
249 string name() const { return _name; }
250 string snap_name() const { return _current_snapshot_name; }
251 string raid_path () const;
253 void set_snap_name ();
257 bool dirty() const { return _state_of_the_state & Dirty; }
258 void set_deletion_in_progress ();
259 void clear_deletion_in_progress ();
260 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
261 sigc::signal<void> DirtyChanged;
263 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
265 static sigc::signal<void> AutoBindingOn;
266 static sigc::signal<void> AutoBindingOff;
268 static sigc::signal<void,std::string> Dialog;
270 std::string sound_dir (bool with_path = true) const;
271 std::string peak_dir () const;
272 std::string dead_sound_dir () const;
273 std::string automation_dir () const;
274 std::string analysis_dir() const;
276 int ensure_subdirs ();
278 Glib::ustring peak_path (Glib::ustring) const;
280 static string change_source_path_by_name (string oldpath, string oldname, string newname, bool destructive);
282 string peak_path_from_audio_path (string) const;
283 string new_audio_source_name (const string&, uint32_t nchans, uint32_t chan, bool destructive);
284 string new_midi_source_name (const string&);
285 string new_source_path_from_name (DataType type, const string&);
286 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
288 void process (nframes_t nframes);
290 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
291 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
292 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
294 void add_diskstream (boost::shared_ptr<Diskstream>);
295 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
296 boost::shared_ptr<Diskstream> diskstream_by_name (string name);
297 bool have_rec_enabled_diskstream () const;
299 bool have_captured() const { return _have_captured; }
301 void refill_all_diskstream_buffers ();
302 uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
303 uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
305 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
306 uint32_t n_diskstreams() const;
308 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
310 int load_routes (const XMLNode&);
311 boost::shared_ptr<RouteList> get_routes() const {
312 return routes.reader ();
315 uint32_t nroutes() const { return routes.reader()->size(); }
316 uint32_t ntracks () const;
317 uint32_t nbusses () const;
319 boost::shared_ptr<BundleList> bundles () {
320 return _bundles.reader ();
323 struct RoutePublicOrderSorter {
324 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
327 void sync_order_keys (const char* base);
329 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
330 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
331 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
333 boost::shared_ptr<Route> route_by_name (string);
334 boost::shared_ptr<Route> route_by_id (PBD::ID);
335 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
337 bool route_name_unique (string) const;
338 bool route_name_internal (string) const;
340 bool get_record_enabled() const {
341 return (record_status () >= Enabled);
344 RecordState record_status() const {
345 return (RecordState) g_atomic_int_get (&_record_status);
348 bool actively_recording () {
349 return record_status() == Recording;
352 bool record_enabling_legal () const;
353 void maybe_enable_record ();
354 void disable_record (bool rt_context, bool force = false);
355 void step_back_from_record ();
357 void maybe_write_autosave ();
359 /* Proxy signal for region hidden changes */
361 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
363 /* Emitted when all i/o connections are complete */
365 sigc::signal<void> IOConnectionsComplete;
367 /* Record status signals */
369 sigc::signal<void> RecordStateChanged;
371 /* Transport mechanism signals */
373 sigc::signal<void> TransportStateChange; /* generic */
374 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
375 sigc::signal<void> DurationChanged;
376 sigc::signal<void,nframes_t> Xrun;
377 sigc::signal<void> TransportLooped;
379 /** emitted when a locate has occurred */
380 sigc::signal<void> Located;
382 sigc::signal<void,RouteList&> RouteAdded;
384 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
385 void request_bounded_roll (nframes_t start, nframes_t end);
386 void request_stop (bool abort = false);
387 void request_locate (nframes_t frame, bool with_roll = false);
389 void request_play_loop (bool yn);
390 bool get_play_loop () const { return play_loop; }
392 nframes_t last_transport_start() const { return _last_roll_location; }
393 void goto_end () { request_locate (end_location->start(), false);}
394 void goto_start () { request_locate (start_location->start(), false); }
395 void set_session_start (nframes_t start) { start_location->set_start(start); }
396 void set_session_end (nframes_t end) { end_location->set_start(end); _end_location_is_free = false; }
397 void use_rf_shuttle_speed ();
398 void allow_auto_play (bool yn);
399 void request_transport_speed (double speed);
400 void request_overwrite_buffer (Diskstream*);
401 void request_diskstream_speed (Diskstream&, double speed);
402 void request_input_change_handling ();
404 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
405 bool transport_locked () const;
409 int remove_region_from_region_list (boost::shared_ptr<Region>);
411 nframes_t get_maximum_extent () const;
412 nframes_t current_end_frame() const { return end_location->start(); }
413 nframes_t current_start_frame() const { return start_location->start(); }
414 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
415 nframes_t frame_rate() const { return _current_frame_rate; }
416 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
417 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
418 nframes_t frames_per_hour() const { return _frames_per_hour; }
420 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
421 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
423 MIDI::byte get_mtc_smpte_bits() const {
424 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
427 float smpte_frames_per_second() const;
428 bool smpte_drop_frames() const;
432 Locations *locations() { return &_locations; }
434 sigc::signal<void,Location*> auto_loop_location_changed;
435 sigc::signal<void,Location*> auto_punch_location_changed;
436 sigc::signal<void> locations_modified;
438 void set_auto_punch_location (Location *);
439 void set_auto_loop_location (Location *);
440 int location_name(string& result, string base = string(""));
442 void reset_input_monitor_state ();
444 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
445 void remove_event (nframes_t frame, Event::Type type);
446 void clear_events (Event::Type type);
448 nframes_t get_block_size() const { return current_block_size; }
449 nframes_t worst_output_latency () const { return _worst_output_latency; }
450 nframes_t worst_input_latency () const { return _worst_input_latency; }
451 nframes_t worst_track_latency () const { return _worst_track_latency; }
453 int save_state (std::string snapshot_name, bool pending = false);
454 int restore_state (std::string snapshot_name);
455 int save_template (std::string template_name);
456 int save_history (std::string snapshot_name = "");
457 int restore_history (std::string snapshot_name);
458 void remove_state (std::string snapshot_name);
459 void rename_state (std::string old_name, std::string new_name);
460 void remove_pending_capture_state ();
462 static int rename_template (std::string old_name, std::string new_name);
463 static int delete_template (std::string name);
465 sigc::signal<void,string> StateSaved;
466 sigc::signal<void> StateReady;
468 vector<string*>* possible_states() const;
469 static vector<string*>* possible_states(string path);
471 XMLNode& get_state();
472 int set_state(const XMLNode& node); // not idempotent
473 XMLNode& get_template();
475 /// The instant xml file is written to the session directory
476 void add_instant_xml (XMLNode&, bool write_to_config = true);
477 XMLNode* instant_xml (const std::string& str);
479 enum StateOfTheState {
484 InitialConnecting = 0x8,
489 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
491 RouteGroup* add_edit_group (string);
492 RouteGroup* add_mix_group (string);
494 void remove_edit_group (RouteGroup&);
495 void remove_mix_group (RouteGroup&);
497 RouteGroup *mix_group_by_name (string);
498 RouteGroup *edit_group_by_name (string);
500 sigc::signal<void,RouteGroup*> edit_group_added;
501 sigc::signal<void,RouteGroup*> mix_group_added;
502 sigc::signal<void> edit_group_removed;
503 sigc::signal<void> mix_group_removed;
505 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
506 for (list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
511 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
512 for (list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
517 /* fundamental operations. duh. */
519 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
520 int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
522 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
524 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
525 TrackMode mode = Normal, 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 int set_smpte_format (SmpteFormat);
558 void sync_time_vars();
560 void bbt_time (nframes_t when, BBT_Time&);
561 void smpte_to_sample(SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes) const;
562 void sample_to_smpte(nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes) const;
563 void smpte_time (SMPTE::Time &);
564 void smpte_time (nframes_t when, SMPTE::Time&);
565 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
567 void smpte_duration (nframes_t, SMPTE::Time&) const;
568 void smpte_duration_string (char *, nframes_t) const;
570 void set_smpte_offset (nframes_t);
571 nframes_t smpte_offset () const { return _smpte_offset; }
572 void set_smpte_offset_negative (bool);
573 bool smpte_offset_negative () const { return _smpte_offset_negative; }
575 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
577 static sigc::signal<void> StartTimeChanged;
578 static sigc::signal<void> EndTimeChanged;
579 static sigc::signal<void> SMPTEOffsetChanged;
581 void request_slave_source (SlaveSource);
582 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
584 double transport_speed() const { return _transport_speed; }
585 bool transport_stopped() const { return _transport_speed == 0.0f; }
586 bool transport_rolling() const { return _transport_speed != 0.0f; }
588 void set_silent (bool yn);
589 bool silent () { return _silent; }
591 int jack_slave_sync (nframes_t);
593 TempoMap& tempo_map() { return *_tempo_map; }
595 /// signals the current transport position in frames, bbt and smpte time (in that order)
596 sigc::signal<void, const nframes_t&, const BBT_Time&, const SMPTE::Time&> tick;
600 void add_regions (std::vector<boost::shared_ptr<Region> >&);
602 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
603 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
604 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
606 int region_name (string& result, string base = string(""), bool newlevel = false);
607 string new_region_name (string);
608 string path_from_region_name (DataType type, string name, string identifier);
610 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
612 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
614 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
615 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
616 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
618 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
620 /* source management */
622 struct ImportStatus : public InterThreadInfo {
628 volatile bool freeze;
629 std::vector<Glib::ustring> paths;
630 bool replace_existing_source;
636 void import_audiofiles (ImportStatus&);
637 bool sample_rate_convert (ImportStatus&, string infile, string& outfile);
638 string build_tmp_convert_name (string file);
640 boost::shared_ptr<ExportHandler> get_export_handler ();
641 boost::shared_ptr<ExportStatus> get_export_status ();
643 int start_audio_export (nframes_t position, bool realtime);
645 sigc::signal<int, nframes_t> ProcessExport;
646 sigc::signal<void> ExportReadFinished;
647 static sigc::signal<void, std::string, std::string> Exported;
649 void add_source (boost::shared_ptr<Source>);
650 void remove_source (boost::weak_ptr<Source>);
652 struct cleanup_report {
653 vector<string> paths;
657 int cleanup_sources (cleanup_report&);
658 int cleanup_trash_sources (cleanup_report&);
660 int destroy_region (boost::shared_ptr<Region>);
661 int destroy_regions (std::list<boost::shared_ptr<Region> >);
663 int remove_last_capture ();
665 /** handlers should return -1 for "stop cleanup",
666 0 for "yes, delete this playlist",
667 1 for "no, don't delete this playlist".
669 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
671 /** handlers should return 0 for "ignore the rate mismatch",
672 !0 for "do not use this session"
674 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
676 /** handlers should return !0 for use pending state, 0 for ignore it.
678 static sigc::signal<int> AskAboutPendingState;
680 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
682 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
684 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
685 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
687 /* playlist management */
689 boost::shared_ptr<Playlist> playlist_by_name (string name);
690 void unassigned_playlists (std::list<boost::shared_ptr<Playlist> > & list);
691 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
692 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
693 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
695 uint32_t n_playlists() const;
697 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
698 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
700 /* named selections */
702 NamedSelection* named_selection_by_name (string name);
703 void add_named_selection (NamedSelection *);
704 void remove_named_selection (NamedSelection *);
706 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
707 sigc::signal<void> NamedSelectionAdded;
708 sigc::signal<void> NamedSelectionRemoved;
710 /* Curves and AutomationLists (TODO when they go away) */
711 void add_automation_list(AutomationList*);
715 float get_default_fade_length () const { return default_fade_msecs; }
716 float get_default_fade_steepness () const { return default_fade_steepness; }
717 void set_default_fade (float steepness, float msecs);
721 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
722 void audition_playlist ();
723 void audition_region (boost::shared_ptr<Region>);
724 void cancel_audition ();
725 bool is_auditioning () const;
727 sigc::signal<void,bool> AuditionActive;
729 /* flattening stuff */
731 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
732 bool overwrite, vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
733 bool enable_processing = true);
734 int freeze (InterThreadInfo&);
736 /* session-wide solo/mute/rec-enable */
738 bool soloing() const { return currently_soloing; }
740 void set_all_solo (bool);
741 void set_all_mute (bool);
743 sigc::signal<void,bool> SoloActive;
744 sigc::signal<void> SoloChanged;
746 void record_disenable_all ();
747 void record_enable_all ();
749 /* control/master out */
751 boost::shared_ptr<IO> control_out() const { return _control_out; }
752 boost::shared_ptr<IO> master_out() const { return _master_out; }
754 /* insert/send management */
756 uint32_t n_port_inserts() const { return _port_inserts.size(); }
757 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
758 uint32_t n_sends() const { return _sends.size(); }
760 static void set_disable_all_loaded_plugins (bool yn) {
761 _disable_all_loaded_plugins = yn;
763 static bool get_disable_all_loaded_plugins() {
764 return _disable_all_loaded_plugins;
767 uint32_t next_send_id();
768 uint32_t next_return_id();
769 uint32_t next_insert_id();
770 void mark_send_id (uint32_t);
771 void mark_return_id (uint32_t);
772 void mark_insert_id (uint32_t);
774 /* s/w "RAID" management */
776 nframes_t available_capture_duration();
780 void add_bundle (boost::shared_ptr<Bundle>);
781 void remove_bundle (boost::shared_ptr<Bundle>);
782 boost::shared_ptr<Bundle> bundle_by_name (string) const;
784 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
785 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
789 void midi_panic(void);
790 int set_mtc_port (string port_tag);
791 int set_mmc_port (string port_tag);
792 int set_midi_port (string port_tag);
793 int set_midi_clock_port (string port_tag);
794 MIDI::Port *mtc_port() const { return _mtc_port; }
795 MIDI::Port *mmc_port() const { return _mmc_port; }
796 MIDI::Port *midi_port() const { return _midi_port; }
797 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
799 sigc::signal<void> MTC_PortChanged;
800 sigc::signal<void> MMC_PortChanged;
801 sigc::signal<void> MIDI_PortChanged;
802 sigc::signal<void> MIDIClock_PortChanged;
804 void set_trace_midi_input (bool, MIDI::Port* port = 0);
805 void set_trace_midi_output (bool, MIDI::Port* port = 0);
807 bool get_trace_midi_input(MIDI::Port *port = 0);
808 bool get_trace_midi_output(MIDI::Port *port = 0);
810 void set_mmc_receive_device_id (uint32_t id);
811 void set_mmc_send_device_id (uint32_t id);
815 void start_scrub (nframes_t where);
817 void set_scrub_speed (float);
818 nframes_t scrub_buffer_size() const;
819 sigc::signal<void> ScrubReady;
821 /* History (for editors, mixers, UIs etc.) */
823 /** Undo some transactions.
824 * @param n Number of transactions to undo.
826 void undo (uint32_t n) {
830 void redo (uint32_t n) {
834 UndoHistory& history() { return _history; }
836 uint32_t undo_depth() const { return _history.undo_depth(); }
837 uint32_t redo_depth() const { return _history.redo_depth(); }
838 string next_undo() const { return _history.next_undo(); }
839 string next_redo() const { return _history.next_redo(); }
841 void begin_reversible_command (const string& cmd_name);
842 void commit_reversible_command (Command* cmd = 0);
844 void add_command (Command *const cmd) {
845 assert(!_current_trans.empty ());
846 _current_trans.top()->add_command (cmd);
849 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
851 // these commands are implemented in libs/ardour/session_command.cc
852 Command* memento_command_factory(XMLNode* n);
853 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
855 Command* global_state_command_factory (const XMLNode& n);
857 class GlobalRouteStateCommand : public Command
860 GlobalRouteStateCommand (Session&, void*);
861 GlobalRouteStateCommand (Session&, const XMLNode& node);
862 int set_state (const XMLNode&);
863 XMLNode& get_state ();
866 GlobalRouteBooleanState before, after;
872 class GlobalSoloStateCommand : public GlobalRouteStateCommand
875 GlobalSoloStateCommand (Session &, void *src);
876 GlobalSoloStateCommand (Session&, const XMLNode&);
877 void operator()(); //redo
879 XMLNode &get_state();
883 class GlobalMuteStateCommand : public GlobalRouteStateCommand
886 GlobalMuteStateCommand(Session &, void *src);
887 GlobalMuteStateCommand (Session&, const XMLNode&);
888 void operator()(); // redo
890 XMLNode &get_state();
894 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
897 GlobalRecordEnableStateCommand(Session &, void *src);
898 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
899 void operator()(); // redo
901 XMLNode &get_state();
905 class GlobalMeteringStateCommand : public Command
908 GlobalMeteringStateCommand(Session &, void *src);
909 GlobalMeteringStateCommand (Session&, const XMLNode&);
912 XMLNode &get_state();
913 int set_state (const XMLNode&);
919 GlobalRouteMeterState before;
920 GlobalRouteMeterState after;
925 boost::shared_ptr<IO> click_io() { return _click_io; }
927 /* disk, buffer loads */
929 uint32_t playback_load ();
930 uint32_t capture_load ();
931 uint32_t playback_load_min ();
932 uint32_t capture_load_min ();
934 void reset_playback_load_min ();
935 void reset_capture_load_min ();
937 float read_data_rate () const; // in usec
938 float write_data_rate () const;
942 void set_audio_range (list<AudioRange>&);
943 void set_music_range (list<MusicRange>&);
945 void request_play_range (bool yn);
946 bool get_play_range () const { return _play_range; }
948 /* buffers for gain and pan */
950 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
951 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
953 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
957 static long vst_callback (AEffect* effect,
964 static sigc::signal<void> SendFeedback;
968 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
970 void add_controllable (boost::shared_ptr<PBD::Controllable>);
971 void remove_controllable (PBD::Controllable*);
973 SessionMetadata & metadata () { return *_metadata; }
976 friend class AudioEngine;
977 void set_block_size (nframes_t nframes);
978 void set_frame_rate (nframes_t nframes);
981 friend class Diskstream;
983 void wait_till_butler_finished();
987 void schedule_curve_reallocation ();
988 void update_latency_compensation (bool, bool);
991 int create (bool& new_session, const string& mix_template, nframes_t initial_length);
994 nframes_t compute_initial_length ();
997 PendingDeclickIn = 0x1,
998 PendingDeclickOut = 0x2,
999 StopPendingCapture = 0x4,
1000 AutoReturning = 0x10,
1001 PendingLocate = 0x20,
1002 PendingSetLoop = 0x40
1005 /* stuff used in process() should be close together to
1009 typedef void (Session::*process_function_type)(nframes_t);
1011 AudioEngine& _engine;
1012 mutable gint processing_prohibited;
1013 process_function_type process_function;
1014 process_function_type last_process_function;
1015 bool waiting_for_sync_offset;
1016 nframes_t _base_frame_rate;
1017 nframes_t _current_frame_rate; //this includes video pullup offset
1018 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1019 int transport_sub_state;
1020 mutable gint _record_status;
1021 volatile nframes_t _transport_frame;
1022 Location* end_location;
1023 Location* start_location;
1026 volatile double _transport_speed;
1027 double _last_transport_speed;
1028 // fixed point transport speed for varispeed playback
1030 // fixed point target transport speed for varispeed playback when tempo changes
1031 uint64_t target_phi;
1032 // fixed point phase for varispeed playback
1034 bool auto_play_legal;
1035 nframes_t _last_slave_transport_frame;
1036 nframes_t maximum_output_latency;
1037 volatile nframes64_t _requested_return_frame;
1038 BufferSet* _scratch_buffers;
1039 BufferSet* _silent_buffers;
1040 BufferSet* _mix_buffers;
1041 nframes_t current_block_size;
1042 nframes_t _worst_output_latency;
1043 nframes_t _worst_input_latency;
1044 nframes_t _worst_track_latency;
1045 bool _have_captured;
1047 float _meter_falloff;
1048 bool _end_location_is_free;
1050 void set_worst_io_latencies ();
1051 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1052 set_worst_io_latencies ();
1055 void update_latency_compensation_proxy (void* ignored);
1057 void ensure_buffers (ChanCount howmany);
1059 void process_scrub (nframes_t);
1060 void process_without_events (nframes_t);
1061 void process_with_events (nframes_t);
1062 void process_audition (nframes_t);
1063 void process_export (nframes_t);
1064 int process_export_fw (nframes_t);
1066 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1067 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1068 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1070 /* slave tracking */
1072 static const int delta_accumulator_size = 25;
1073 int delta_accumulator_cnt;
1074 long delta_accumulator[delta_accumulator_size];
1075 long average_slave_delta;
1077 bool have_first_delta_accumulator;
1085 SlaveState slave_state;
1086 nframes_t slave_wait_end;
1088 void reset_slave_state ();
1089 bool follow_slave (nframes_t);
1090 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
1091 void track_slave_state(float slave_speed, nframes_t slave_transport_frame,
1092 nframes_t this_delta, bool starting);
1093 void follow_slave_silently(nframes_t nframes, float slave_speed);
1095 void set_slave_source (SlaveSource);
1097 SlaveSource post_export_slave;
1098 nframes_t post_export_position;
1101 bool _exporting_realtime;
1103 boost::shared_ptr<ExportHandler> export_handler;
1104 boost::shared_ptr<ExportStatus> export_status;
1107 int stop_audio_export ();
1108 void finalize_audio_export ();
1110 sigc::connection export_freewheel_connection;
1112 void prepare_diskstreams ();
1113 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1114 int process_routes (nframes_t);
1115 int silent_process_routes (nframes_t);
1117 bool get_rec_monitors_input () {
1118 if (actively_recording()) {
1121 if (Config->get_auto_input()) {
1129 int get_transport_declick_required () {
1130 if (transport_sub_state & PendingDeclickIn) {
1131 transport_sub_state &= ~PendingDeclickIn;
1133 } else if (transport_sub_state & PendingDeclickOut) {
1140 bool maybe_stop (nframes_t limit) {
1141 if ( (_transport_speed > 0.0f && _transport_frame >= limit)
1142 || (_transport_speed < 0.0f && _transport_frame == 0) ) {
1149 bool maybe_sync_start (nframes_t&);
1151 void check_declick_out ();
1153 MIDI::MachineControl* mmc;
1154 MIDI::Port* _mmc_port;
1155 MIDI::Port* _mtc_port;
1156 MIDI::Port* _midi_port;
1157 MIDI::Port* _midi_clock_port;
1160 bool session_send_mmc;
1161 bool session_send_mtc;
1162 bool session_midi_feedback;
1165 nframes_t last_loopend;
1167 boost::scoped_ptr<SessionDirectory> _session_dir;
1169 RingBuffer<Event*> pending_events;
1172 void when_engine_running ();
1173 void graph_reordered ();
1175 string _current_snapshot_name;
1177 XMLTree* state_tree;
1178 bool state_was_pending;
1179 StateOfTheState _state_of_the_state;
1182 int load_options (const XMLNode&);
1183 XMLNode& get_options () const;
1184 int load_state (string snapshot_name);
1185 bool save_config_options_predicate (ConfigVariableBase::Owner owner) const;
1187 nframes_t _last_roll_location;
1188 nframes_t _last_record_location;
1190 bool pending_locate_roll;
1191 nframes_t pending_locate_frame;
1192 bool pending_locate_flush;
1194 bool pending_auto_loop;
1196 Sample* butler_mixdown_buffer;
1197 float* butler_gain_buffer;
1198 pthread_t butler_thread;
1199 Glib::Mutex butler_request_lock;
1200 Glib::Cond butler_paused;
1201 bool butler_should_run;
1202 mutable gint butler_should_do_transport_work;
1203 int butler_request_pipe[2];
1205 inline bool transport_work_requested() const {
1206 return g_atomic_int_get(&butler_should_do_transport_work);
1209 struct ButlerRequest {
1218 enum PostTransportWork {
1219 PostTransportStop = 0x1,
1220 PostTransportDisableRecord = 0x2,
1221 PostTransportPosition = 0x8,
1222 PostTransportDidRecord = 0x20,
1223 PostTransportDuration = 0x40,
1224 PostTransportLocate = 0x80,
1225 PostTransportRoll = 0x200,
1226 PostTransportAbort = 0x800,
1227 PostTransportOverWrite = 0x1000,
1228 PostTransportSpeed = 0x2000,
1229 PostTransportAudition = 0x4000,
1230 PostTransportScrub = 0x8000,
1231 PostTransportReverse = 0x10000,
1232 PostTransportInputChange = 0x20000,
1233 PostTransportCurveRealloc = 0x40000
1236 static const PostTransportWork ProcessCannotProceedMask =
1238 PostTransportInputChange|
1240 PostTransportReverse|
1241 PostTransportCurveRealloc|
1243 PostTransportAudition|
1244 PostTransportLocate|
1247 PostTransportWork post_transport_work;
1249 void summon_butler ();
1250 void schedule_butler_transport_work ();
1251 int start_butler_thread ();
1252 void terminate_butler_thread ();
1253 static void *_butler_thread_work (void *arg);
1254 void* butler_thread_work ();
1256 uint32_t cumulative_rf_motion;
1259 void set_rf_speed (float speed);
1260 void reset_rf_scale (nframes_t frames_moved);
1262 Locations _locations;
1263 void locations_changed ();
1264 void locations_added (Location*);
1265 void handle_locations_changed (Locations::LocationList&);
1267 sigc::connection auto_punch_start_changed_connection;
1268 sigc::connection auto_punch_end_changed_connection;
1269 sigc::connection auto_punch_changed_connection;
1270 void auto_punch_start_changed (Location *);
1271 void auto_punch_end_changed (Location *);
1272 void auto_punch_changed (Location *);
1274 sigc::connection auto_loop_start_changed_connection;
1275 sigc::connection auto_loop_end_changed_connection;
1276 sigc::connection auto_loop_changed_connection;
1277 void auto_loop_changed (Location *);
1279 typedef list<Event *> Events;
1281 Events immediate_events;
1282 Events::iterator next_event;
1284 /* there can only ever be one of each of these */
1286 Event *auto_loop_event;
1287 Event *punch_out_event;
1288 Event *punch_in_event;
1292 void dump_events () const;
1293 void queue_event (Event *ev);
1294 void merge_event (Event*);
1295 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1296 bool _replace_event (Event*);
1297 bool _remove_event (Event *);
1298 void _clear_event_type (Event::Type);
1300 void first_stage_init (string path, string snapshot_name);
1301 int second_stage_init (bool new_tracks);
1302 void find_current_end ();
1303 void remove_empty_sounds ();
1305 void setup_midi_control ();
1306 int midi_read (MIDI::Port *);
1308 void enable_record ();
1310 void increment_transport_position (uint32_t val) {
1311 if (max_frames - val < _transport_frame) {
1312 _transport_frame = max_frames;
1314 _transport_frame += val;
1318 void decrement_transport_position (uint32_t val) {
1319 if (val < _transport_frame) {
1320 _transport_frame -= val;
1322 _transport_frame = 0;
1326 void post_transport_motion ();
1327 static void *session_loader_thread (void *arg);
1331 void set_next_event ();
1332 void process_event (Event *ev);
1334 /* MIDI Machine Control */
1336 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1338 void spp_start (MIDI::Parser&, nframes_t timestamp);
1339 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1340 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1342 void mmc_deferred_play (MIDI::MachineControl &);
1343 void mmc_stop (MIDI::MachineControl &);
1344 void mmc_step (MIDI::MachineControl &, int);
1345 void mmc_pause (MIDI::MachineControl &);
1346 void mmc_record_pause (MIDI::MachineControl &);
1347 void mmc_record_strobe (MIDI::MachineControl &);
1348 void mmc_record_exit (MIDI::MachineControl &);
1349 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1350 void mmc_fast_forward (MIDI::MachineControl &);
1351 void mmc_rewind (MIDI::MachineControl &);
1352 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1353 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1354 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1356 struct timeval last_mmc_step;
1359 typedef sigc::slot<bool> MidiTimeoutCallback;
1360 typedef list<MidiTimeoutCallback> MidiTimeoutList;
1362 MidiTimeoutList midi_timeouts;
1363 bool mmc_step_timeout ();
1365 MIDI::byte mmc_buffer[32];
1366 MIDI::byte mtc_msg[16];
1367 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1368 MIDI::byte midi_msg[16];
1369 nframes_t outbound_mtc_smpte_frame;
1370 SMPTE::Time transmitting_smpte_time;
1371 int next_quarter_frame_to_send;
1373 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1374 nframes_t _frames_per_hour;
1375 nframes_t _smpte_frames_per_hour;
1376 nframes_t _smpte_offset;
1377 bool _smpte_offset_negative;
1379 /* cache the most-recently requested time conversions. This helps when we
1380 * have multiple clocks showing the same time (e.g. the transport frame) */
1381 bool last_smpte_valid;
1382 nframes_t last_smpte_when;
1383 SMPTE::Time last_smpte;
1385 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1387 int send_full_time_code(nframes_t nframes);
1388 int send_midi_time_code_for_cycle(nframes_t nframes);
1390 nframes_t adjust_apparent_position (nframes_t frames);
1392 void reset_record_status ();
1394 int no_roll (nframes_t nframes);
1395 int fail_roll (nframes_t nframes);
1397 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1398 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1400 struct MIDIRequest {
1408 Glib::Mutex midi_lock;
1409 pthread_t midi_thread;
1410 int midi_request_pipe[2];
1411 RingBuffer<MIDIRequest*> midi_requests;
1413 int start_midi_thread ();
1414 void terminate_midi_thread ();
1415 void poke_midi_thread ();
1416 static void *_midi_thread_work (void *arg);
1417 void midi_thread_work ();
1418 void change_midi_ports ();
1419 int use_config_midi_ports ();
1421 void set_play_loop (bool yn);
1422 void overwrite_some_buffers (Diskstream*);
1423 void flush_all_inserts ();
1424 int micro_locate (nframes_t distance);
1425 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1426 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1427 void force_locate (nframes_t frame, bool with_roll = false);
1428 void set_diskstream_speed (Diskstream*, double speed);
1429 void set_transport_speed (double speed, bool abort = false);
1430 void stop_transport (bool abort = false);
1431 void start_transport ();
1432 void realtime_stop (bool abort);
1433 void non_realtime_start_scrub ();
1434 void non_realtime_set_speed ();
1435 void non_realtime_locate ();
1436 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1437 void non_realtime_overwrite (int entry_request_count, bool& finished);
1438 void butler_transport_work ();
1439 void post_transport ();
1440 void engine_halted ();
1441 void xrun_recovery ();
1443 TempoMap *_tempo_map;
1444 void tempo_map_changed (Change);
1446 /* edit/mix groups */
1448 int load_route_groups (const XMLNode&, bool is_edit);
1449 int load_edit_groups (const XMLNode&);
1450 int load_mix_groups (const XMLNode&);
1453 list<RouteGroup *> edit_groups;
1454 list<RouteGroup *> mix_groups;
1458 SerializedRCUManager<DiskstreamList> diskstreams;
1460 uint32_t audio_dstream_buffer_size;
1461 uint32_t midi_dstream_buffer_size;
1462 int load_diskstreams (const XMLNode&);
1466 SerializedRCUManager<RouteList> routes;
1468 void add_routes (RouteList&, bool save);
1469 uint32_t destructive_index;
1471 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1475 bool solo_update_disabled;
1476 bool currently_soloing;
1478 void route_mute_changed (void *src);
1479 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1480 void catch_up_on_solo ();
1481 void catch_up_on_solo_mute_override ();
1482 void update_route_solo_state ();
1483 void modify_solo_mute (bool, bool);
1484 void strip_portname_for_solo (string& portname);
1486 /* REGION MANAGEMENT */
1488 std::map<std::string,uint32_t> region_name_map;
1489 void update_region_name_map (boost::shared_ptr<Region>);
1491 mutable Glib::Mutex region_lock;
1492 typedef map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1495 void add_region (boost::shared_ptr<Region>);
1496 void region_changed (Change, boost::weak_ptr<Region>);
1497 void remove_region (boost::weak_ptr<Region>);
1499 int load_regions (const XMLNode& node);
1503 mutable Glib::Mutex source_lock;
1504 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1509 SourceMap get_sources() { return sources; }
1512 int load_sources (const XMLNode& node);
1513 XMLNode& get_sources_as_xml ();
1515 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1519 mutable Glib::Mutex playlist_lock;
1520 typedef set<boost::shared_ptr<Playlist> > PlaylistList;
1521 PlaylistList playlists;
1522 PlaylistList unused_playlists;
1524 int load_playlists (const XMLNode&);
1525 int load_unused_playlists (const XMLNode&);
1526 void remove_playlist (boost::weak_ptr<Playlist>);
1527 void track_playlist (bool, boost::weak_ptr<Playlist>);
1529 boost::shared_ptr<Playlist> playlist_factory (string name);
1530 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1532 void playlist_length_changed ();
1533 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1535 /* NAMED SELECTIONS */
1537 mutable Glib::Mutex named_selection_lock;
1538 typedef set<NamedSelection *> NamedSelectionList;
1539 NamedSelectionList named_selections;
1541 int load_named_selections (const XMLNode&);
1543 NamedSelection *named_selection_factory (string name);
1544 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1546 /* CURVES and AUTOMATION LISTS */
1547 std::map<PBD::ID, AutomationList*> automation_lists;
1549 /* DEFAULT FADE CURVES */
1551 float default_fade_steepness;
1552 float default_fade_msecs;
1556 boost::shared_ptr<Auditioner> auditioner;
1557 void set_audition (boost::shared_ptr<Region>);
1558 void non_realtime_set_audition ();
1559 boost::shared_ptr<Region> pending_audition_region;
1565 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1567 /* INSERT AND SEND MANAGEMENT */
1569 list<PortInsert *> _port_inserts;
1570 list<PluginInsert *> _plugin_inserts;
1571 list<Send *> _sends;
1572 list<Return *> _returns;
1573 boost::dynamic_bitset<uint32_t> send_bitset;
1574 boost::dynamic_bitset<uint32_t> return_bitset;
1575 boost::dynamic_bitset<uint32_t> insert_bitset;
1577 uint32_t insert_cnt;
1580 void add_processor (Processor *);
1581 void remove_processor (Processor *);
1585 struct space_and_path {
1586 uint32_t blocks; /* 4kB blocks */
1594 struct space_and_path_ascending_cmp {
1595 bool operator() (space_and_path a, space_and_path b) {
1596 return a.blocks > b.blocks;
1600 void setup_raid_path (string path);
1602 vector<space_and_path> session_dirs;
1603 vector<space_and_path>::iterator last_rr_session_dir;
1604 uint32_t _total_free_4k_blocks;
1605 Glib::Mutex space_lock;
1607 string get_best_session_directory_for_new_source ();
1608 void refresh_disk_space ();
1610 mutable gint _playback_load;
1611 mutable gint _capture_load;
1612 mutable gint _playback_load_min;
1613 mutable gint _capture_load_min;
1617 SerializedRCUManager<BundleList> _bundles;
1618 XMLNode* _bundle_xml_node;
1619 int load_bundles (XMLNode const &);
1621 void reverse_diskstream_buffers ();
1623 UndoHistory _history;
1624 std::stack<UndoTransaction*> _current_trans;
1626 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1627 GlobalRouteMeterState get_global_route_metering ();
1629 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1630 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1632 void set_global_mute (GlobalRouteBooleanState s, void *src);
1633 void set_global_solo (GlobalRouteBooleanState s, void *src);
1634 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1636 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1637 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1638 void reset_jack_connection (jack_client_t* jack);
1639 void record_enable_change_all (bool yn);
1641 XMLNode& state(bool);
1651 Click (nframes_t s, nframes_t d, const Sample *b)
1652 : start (s), duration (d), data (b) { offset = 0; }
1654 void *operator new(size_t ignored) {
1655 return pool.alloc ();
1658 void operator delete(void *ptr, size_t size) {
1666 typedef list<Click*> Clicks;
1670 boost::shared_ptr<IO> _click_io;
1672 Sample* click_emphasis_data;
1673 nframes_t click_length;
1674 nframes_t click_emphasis_length;
1675 mutable Glib::RWLock click_lock;
1677 static const Sample default_click[];
1678 static const nframes_t default_click_length;
1679 static const Sample default_click_emphasis[];
1680 static const nframes_t default_click_emphasis_length;
1683 void setup_click_sounds (int which);
1684 void clear_clicks ();
1685 void click (nframes_t start, nframes_t nframes);
1687 vector<Route*> master_outs;
1689 /* range playback */
1691 list<AudioRange> current_audio_range;
1693 void set_play_range (bool yn);
1694 void setup_auto_play ();
1699 boost::shared_ptr<IO> _master_out;
1700 boost::shared_ptr<IO> _control_out;
1702 gain_t* _gain_automation_buffer;
1703 pan_t** _pan_automation_buffer;
1704 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1705 uint32_t _npan_buffers;
1709 long _vst_callback (VSTPlugin*,
1716 /* number of hardware ports we're using,
1717 based on max (requested,available)
1720 uint32_t n_physical_outputs;
1721 uint32_t n_physical_inputs;
1723 uint32_t n_physical_audio_outputs;
1724 uint32_t n_physical_audio_inputs;
1726 uint32_t n_physical_midi_outputs;
1727 uint32_t n_physical_midi_inputs;
1729 int find_all_sources (std::string path, std::set<std::string>& result);
1730 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1732 LayerModel layer_model;
1733 CrossfadeModel xfade_model;
1735 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1736 Glib::Mutex controllables_lock;
1737 Controllables controllables;
1739 void reset_native_file_format();
1740 bool first_file_data_format_reset;
1741 bool first_file_header_format_reset;
1743 void config_changed (const char*);
1745 XMLNode& get_control_protocol_state ();
1747 void set_history_depth (uint32_t depth);
1748 void sync_order_keys ();
1750 static bool _disable_all_loaded_plugins;
1752 SessionMetadata * _metadata;
1754 mutable bool have_looped; ///< Used in ::audible_frame(*)
1756 void update_have_rec_enabled_diskstream ();
1757 gint _have_rec_enabled_diskstream;
1760 } // namespace ARDOUR
1762 #endif /* __ardour_session_h__ */