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"
77 class AudioDiskstream;
79 class AudioFileSource;
88 class ControlProtocolInfo;
110 class SessionDirectory;
111 class SessionMetadata;
117 class Session : public PBD::StatefulDestructible, public boost::noncopyable
120 typedef std::pair<boost::weak_ptr<Route>,bool> RouteBooleanState;
121 typedef std::vector<RouteBooleanState> GlobalRouteBooleanState;
122 typedef std::pair<boost::weak_ptr<Route>,MeterPoint> RouteMeterState;
123 typedef std::vector<RouteMeterState> GlobalRouteMeterState;
147 InputConfigurationChange,
151 /* only one of each of these events can be queued at any one time */
166 nframes_t action_frame;
167 nframes_t target_frame;
173 nframes_t target2_frame;
178 std::list<AudioRange> audio_range;
179 std::list<MusicRange> music_range;
181 boost::shared_ptr<Region> region;
183 Event(Type t, Action a, nframes_t when, nframes_t where, double spd, bool yn = false)
186 , action_frame (when)
187 , target_frame (where)
192 void set_ptr (void* p) {
196 bool before (const Event& other) const {
197 return action_frame < other.action_frame;
200 bool after (const Event& other) const {
201 return action_frame > other.action_frame;
204 static bool compare (const Event *e1, const Event *e2) {
205 return e1->before (*e2);
208 void *operator new (size_t ignored) {
209 return pool.alloc ();
212 void operator delete(void *ptr, size_t size) {
216 static const nframes_t Immediate = 0;
219 static MultiAllocSingleReleasePool pool;
222 /* creating from an XML file */
224 Session (AudioEngine&,
225 const std::string& fullpath,
226 const std::string& snapshot_name,
227 std::string mix_template = "");
229 /* creating a new Session */
231 Session (AudioEngine&,
232 std::string fullpath,
233 std::string snapshot_name,
234 AutoConnectOption input_auto_connect,
235 AutoConnectOption output_auto_connect,
236 uint32_t control_out_channels,
237 uint32_t master_out_channels,
238 uint32_t n_physical_in,
239 uint32_t n_physical_out,
240 nframes_t initial_length);
244 std::string path() const { return _path; }
245 std::string name() const { return _name; }
246 std::string snap_name() const { return _current_snapshot_name; }
247 std::string raid_path () const;
249 void set_snap_name ();
253 bool dirty() const { return _state_of_the_state & Dirty; }
254 void set_deletion_in_progress ();
255 void clear_deletion_in_progress ();
256 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
257 sigc::signal<void> DirtyChanged;
259 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
261 static sigc::signal<void> AutoBindingOn;
262 static sigc::signal<void> AutoBindingOff;
264 static sigc::signal<void,std::string> Dialog;
266 std::string sound_dir (bool with_path = true) const;
267 std::string peak_dir () const;
268 std::string dead_sound_dir () const;
269 std::string automation_dir () const;
270 std::string analysis_dir() const;
272 int ensure_subdirs ();
274 Glib::ustring peak_path (Glib::ustring) const;
276 static std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
278 std::string peak_path_from_audio_path (std::string) const;
279 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
280 std::string new_midi_source_name (const std::string&);
281 std::string new_source_path_from_name (DataType type, const std::string&);
282 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
284 void process (nframes_t nframes);
286 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
287 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
288 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
290 void add_diskstream (boost::shared_ptr<Diskstream>);
291 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
292 boost::shared_ptr<Diskstream> diskstream_by_name (std::string name);
293 bool have_rec_enabled_diskstream () const;
295 bool have_captured() const { return _have_captured; }
297 void refill_all_diskstream_buffers ();
298 uint32_t audio_diskstream_buffer_size() const { return audio_dstream_buffer_size; }
299 uint32_t midi_diskstream_buffer_size() const { return midi_dstream_buffer_size; }
301 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
302 uint32_t n_diskstreams() const;
304 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
306 int load_routes (const XMLNode&);
307 boost::shared_ptr<RouteList> get_routes() const {
308 return routes.reader ();
311 uint32_t nroutes() const { return routes.reader()->size(); }
312 uint32_t ntracks () const;
313 uint32_t nbusses () const;
315 boost::shared_ptr<BundleList> bundles () {
316 return _bundles.reader ();
319 struct RoutePublicOrderSorter {
320 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
323 void sync_order_keys (const char* base);
325 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
326 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
327 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
329 boost::shared_ptr<Route> route_by_name (std::string);
330 boost::shared_ptr<Route> route_by_id (PBD::ID);
331 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
333 bool route_name_unique (std::string) const;
334 bool route_name_internal (std::string) const;
336 bool get_record_enabled() const {
337 return (record_status () >= Enabled);
340 RecordState record_status() const {
341 return (RecordState) g_atomic_int_get (&_record_status);
344 bool actively_recording () {
345 return record_status() == Recording;
348 bool record_enabling_legal () const;
349 void maybe_enable_record ();
350 void disable_record (bool rt_context, bool force = false);
351 void step_back_from_record ();
353 void maybe_write_autosave ();
355 /* Proxy signal for region hidden changes */
357 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
359 /* Emitted when all i/o connections are complete */
361 sigc::signal<void> IOConnectionsComplete;
363 /* Record status signals */
365 sigc::signal<void> RecordStateChanged;
367 /* Transport mechanism signals */
369 sigc::signal<void> TransportStateChange; /* generic */
370 sigc::signal<void,nframes_t> PositionChanged; /* sent after any non-sequential motion */
371 sigc::signal<void> DurationChanged;
372 sigc::signal<void,nframes_t> Xrun;
373 sigc::signal<void> TransportLooped;
375 /** emitted when a locate has occurred */
376 sigc::signal<void> Located;
378 sigc::signal<void,RouteList&> RouteAdded;
380 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
381 void request_bounded_roll (nframes_t start, nframes_t end);
382 void request_stop (bool abort = false);
383 void request_locate (nframes_t frame, bool with_roll = false);
385 void request_play_loop (bool yn);
386 bool get_play_loop () const { return play_loop; }
388 nframes_t last_transport_start() const { return _last_roll_location; }
389 void goto_end () { request_locate (end_location->start(), false);}
390 void goto_start () { request_locate (start_location->start(), false); }
391 void set_session_start (nframes_t start) { start_location->set_start(start); }
392 void set_session_end (nframes_t end) { end_location->set_start(end); config.set_end_marker_is_free (false); }
393 void use_rf_shuttle_speed ();
394 void allow_auto_play (bool yn);
395 void request_transport_speed (double speed);
396 void request_overwrite_buffer (Diskstream*);
397 void request_diskstream_speed (Diskstream&, double speed);
398 void request_input_change_handling ();
400 bool locate_pending() const { return static_cast<bool>(post_transport_work&PostTransportLocate); }
401 bool transport_locked () const;
405 int remove_region_from_region_list (boost::shared_ptr<Region>);
407 nframes_t get_maximum_extent () const;
408 nframes_t current_end_frame() const { return end_location->start(); }
409 nframes_t current_start_frame() const { return start_location->start(); }
410 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
411 nframes_t frame_rate() const { return _current_frame_rate; }
412 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
413 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
414 nframes_t frames_per_hour() const { return _frames_per_hour; }
416 double frames_per_smpte_frame() const { return _frames_per_smpte_frame; }
417 nframes_t smpte_frames_per_hour() const { return _smpte_frames_per_hour; }
419 MIDI::byte get_mtc_smpte_bits() const {
420 return mtc_smpte_bits; /* encoding of SMTPE type for MTC */
423 float smpte_frames_per_second() const;
424 bool smpte_drop_frames() const;
428 Locations *locations() { return &_locations; }
430 sigc::signal<void,Location*> auto_loop_location_changed;
431 sigc::signal<void,Location*> auto_punch_location_changed;
432 sigc::signal<void> locations_modified;
434 void set_auto_punch_location (Location *);
435 void set_auto_loop_location (Location *);
436 int location_name(std::string& result, std::string base = std::string(""));
438 void reset_input_monitor_state ();
440 void add_event (nframes_t action_frame, Event::Type type, nframes_t target_frame = 0);
441 void remove_event (nframes_t frame, Event::Type type);
442 void clear_events (Event::Type type);
444 nframes_t get_block_size() const { return current_block_size; }
445 nframes_t worst_output_latency () const { return _worst_output_latency; }
446 nframes_t worst_input_latency () const { return _worst_input_latency; }
447 nframes_t worst_track_latency () const { return _worst_track_latency; }
449 int save_state (std::string snapshot_name, bool pending = false);
450 int restore_state (std::string snapshot_name);
451 int save_template (std::string template_name);
452 int save_history (std::string snapshot_name = "");
453 int restore_history (std::string snapshot_name);
454 void remove_state (std::string snapshot_name);
455 void rename_state (std::string old_name, std::string new_name);
456 void remove_pending_capture_state ();
458 static int rename_template (std::string old_name, std::string new_name);
459 static int delete_template (std::string name);
461 sigc::signal<void,std::string> StateSaved;
462 sigc::signal<void> StateReady;
464 std::vector<std::string*>* possible_states() const;
465 static std::vector<std::string*>* possible_states (std::string path);
467 XMLNode& get_state();
468 int set_state(const XMLNode& node); // not idempotent
469 XMLNode& get_template();
471 /// The instant xml file is written to the session directory
472 void add_instant_xml (XMLNode&, bool write_to_config = true);
473 XMLNode* instant_xml (const std::string& str);
475 enum StateOfTheState {
480 InitialConnecting = 0x8,
485 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
487 RouteGroup* add_edit_group (std::string);
488 RouteGroup* add_mix_group (std::string);
490 void remove_edit_group (RouteGroup&);
491 void remove_mix_group (RouteGroup&);
493 RouteGroup *mix_group_by_name (std::string);
494 RouteGroup *edit_group_by_name (std::string);
496 sigc::signal<void,RouteGroup*> edit_group_added;
497 sigc::signal<void,RouteGroup*> mix_group_added;
498 sigc::signal<void> edit_group_removed;
499 sigc::signal<void> mix_group_removed;
501 void foreach_edit_group (sigc::slot<void,RouteGroup*> sl) {
502 for (std::list<RouteGroup *>::iterator i = edit_groups.begin(); i != edit_groups.end(); i++) {
507 void foreach_mix_group (sigc::slot<void,RouteGroup*> sl) {
508 for (std::list<RouteGroup *>::iterator i = mix_groups.begin(); i != mix_groups.end(); i++) {
513 /* fundamental operations. duh. */
515 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
516 int input_channels, int output_channels, TrackMode mode = Normal, uint32_t how_many = 1);
518 RouteList new_audio_route (int input_channels, int output_channels, uint32_t how_many);
520 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
521 TrackMode mode = Normal, uint32_t how_many = 1);
523 void remove_route (boost::shared_ptr<Route>);
524 void resort_routes ();
525 void resort_routes_using (boost::shared_ptr<RouteList>);
527 void set_remote_control_ids();
529 AudioEngine & engine() { return _engine; }
530 AudioEngine const & engine () const { return _engine; }
537 nframes_t transport_frame () const {return _transport_frame; }
538 nframes_t audible_frame () const;
539 nframes64_t requested_return_frame() const { return _requested_return_frame; }
553 int set_smpte_format (SmpteFormat);
554 void sync_time_vars();
556 void bbt_time (nframes_t when, BBT_Time&);
557 void smpte_to_sample(SMPTE::Time& smpte, nframes_t& sample, bool use_offset, bool use_subframes) const;
558 void sample_to_smpte(nframes_t sample, SMPTE::Time& smpte, bool use_offset, bool use_subframes) const;
559 void smpte_time (SMPTE::Time &);
560 void smpte_time (nframes_t when, SMPTE::Time&);
561 void smpte_time_subframes (nframes_t when, SMPTE::Time&);
563 void smpte_duration (nframes_t, SMPTE::Time&) const;
564 void smpte_duration_string (char *, nframes_t) const;
566 void set_smpte_offset (nframes_t);
567 nframes_t smpte_offset () const { return _smpte_offset; }
568 void set_smpte_offset_negative (bool);
569 bool smpte_offset_negative () const { return _smpte_offset_negative; }
571 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
573 static sigc::signal<void> StartTimeChanged;
574 static sigc::signal<void> EndTimeChanged;
575 static sigc::signal<void> SMPTEOffsetChanged;
577 void request_slave_source (SlaveSource);
578 bool synced_to_jack() const { return Config->get_slave_source() == JACK; }
580 double transport_speed() const { return _transport_speed; }
581 bool transport_stopped() const { return _transport_speed == 0.0f; }
582 bool transport_rolling() const { return _transport_speed != 0.0f; }
584 void set_silent (bool yn);
585 bool silent () { return _silent; }
587 int jack_slave_sync (nframes_t);
589 TempoMap& tempo_map() { return *_tempo_map; }
591 /// signals the current transport position in frames, bbt and smpte time (in that order)
592 sigc::signal<void, const nframes_t&, const BBT_Time&, const SMPTE::Time&> tick;
596 void add_regions (std::vector<boost::shared_ptr<Region> >&);
598 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
599 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
600 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
602 int region_name (std::string& result, std::string base = std::string(""), bool newlevel = false);
603 std::string new_region_name (std::string);
604 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
606 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
608 void find_equivalent_playlist_regions (boost::shared_ptr<Region>, std::vector<boost::shared_ptr<Region> >& result);
610 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
611 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
612 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
614 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
616 /* source management */
618 struct ImportStatus : public InterThreadInfo {
619 std::string doing_what;
624 volatile bool freeze;
625 std::vector<Glib::ustring> paths;
626 bool replace_existing_source;
632 void import_audiofiles (ImportStatus&);
633 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
634 std::string build_tmp_convert_name (std::string file);
636 boost::shared_ptr<ExportHandler> get_export_handler ();
637 boost::shared_ptr<ExportStatus> get_export_status ();
639 int start_audio_export (nframes_t position, bool realtime);
641 sigc::signal<int, nframes_t> ProcessExport;
642 sigc::signal<void> ExportReadFinished;
643 static sigc::signal<void, std::string, std::string> Exported;
645 void add_source (boost::shared_ptr<Source>);
646 void remove_source (boost::weak_ptr<Source>);
648 struct cleanup_report {
649 std::vector<std::string> paths;
653 int cleanup_sources (cleanup_report&);
654 int cleanup_trash_sources (cleanup_report&);
656 int destroy_region (boost::shared_ptr<Region>);
657 int destroy_regions (std::list<boost::shared_ptr<Region> >);
659 int remove_last_capture ();
661 /** handlers should return -1 for "stop cleanup",
662 0 for "yes, delete this playlist",
663 1 for "no, don't delete this playlist".
665 sigc::signal<int,boost::shared_ptr<ARDOUR::Playlist> > AskAboutPlaylistDeletion;
667 /** handlers should return 0 for "ignore the rate mismatch",
668 !0 for "do not use this session"
670 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
672 /** handlers should return !0 for use pending state, 0 for ignore it.
674 static sigc::signal<int> AskAboutPendingState;
676 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
678 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
680 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
681 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
683 /* playlist management */
685 boost::shared_ptr<Playlist> playlist_by_name (std::string name);
686 void unassigned_playlists (std::list<boost::shared_ptr<Playlist> > & list);
687 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
688 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistAdded;
689 sigc::signal<void,boost::shared_ptr<Playlist> > PlaylistRemoved;
691 uint32_t n_playlists() const;
693 template<class T> void foreach_playlist (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
694 void get_playlists (std::vector<boost::shared_ptr<Playlist> >&);
696 /* named selections */
698 NamedSelection* named_selection_by_name (std::string name);
699 void add_named_selection (NamedSelection *);
700 void remove_named_selection (NamedSelection *);
702 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
703 sigc::signal<void> NamedSelectionAdded;
704 sigc::signal<void> NamedSelectionRemoved;
706 /* Curves and AutomationLists (TODO when they go away) */
707 void add_automation_list(AutomationList*);
711 float get_default_fade_length () const { return default_fade_msecs; }
712 float get_default_fade_steepness () const { return default_fade_steepness; }
713 void set_default_fade (float steepness, float msecs);
717 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
718 void audition_playlist ();
719 void audition_region (boost::shared_ptr<Region>);
720 void cancel_audition ();
721 bool is_auditioning () const;
723 sigc::signal<void,bool> AuditionActive;
725 /* flattening stuff */
727 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
728 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
729 bool enable_processing = true);
730 int freeze (InterThreadInfo&);
732 /* session-wide solo/mute/rec-enable */
734 bool soloing() const { return currently_soloing; }
736 void set_all_solo (bool);
737 void set_all_mute (bool);
739 sigc::signal<void,bool> SoloActive;
740 sigc::signal<void> SoloChanged;
742 void record_disenable_all ();
743 void record_enable_all ();
745 /* control/master out */
747 boost::shared_ptr<IO> control_out() const { return _control_out; }
748 boost::shared_ptr<IO> master_out() const { return _master_out; }
750 /* insert/send management */
752 uint32_t n_port_inserts() const { return _port_inserts.size(); }
753 uint32_t n_plugin_inserts() const { return _plugin_inserts.size(); }
754 uint32_t n_sends() const { return _sends.size(); }
756 static void set_disable_all_loaded_plugins (bool yn) {
757 _disable_all_loaded_plugins = yn;
759 static bool get_disable_all_loaded_plugins() {
760 return _disable_all_loaded_plugins;
763 uint32_t next_send_id();
764 uint32_t next_return_id();
765 uint32_t next_insert_id();
766 void mark_send_id (uint32_t);
767 void mark_return_id (uint32_t);
768 void mark_insert_id (uint32_t);
770 /* s/w "RAID" management */
772 nframes_t available_capture_duration();
776 void add_bundle (boost::shared_ptr<Bundle>);
777 void remove_bundle (boost::shared_ptr<Bundle>);
778 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
780 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
781 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
785 void midi_panic(void);
786 int set_mtc_port (std::string port_tag);
787 int set_mmc_port (std::string port_tag);
788 int set_midi_port (std::string port_tag);
789 int set_midi_clock_port (std::string port_tag);
790 MIDI::Port *mtc_port() const { return _mtc_port; }
791 MIDI::Port *mmc_port() const { return _mmc_port; }
792 MIDI::Port *midi_port() const { return _midi_port; }
793 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
795 sigc::signal<void> MTC_PortChanged;
796 sigc::signal<void> MMC_PortChanged;
797 sigc::signal<void> MIDI_PortChanged;
798 sigc::signal<void> MIDIClock_PortChanged;
800 void set_trace_midi_input (bool, MIDI::Port* port = 0);
801 void set_trace_midi_output (bool, MIDI::Port* port = 0);
803 bool get_trace_midi_input(MIDI::Port *port = 0);
804 bool get_trace_midi_output(MIDI::Port *port = 0);
806 void set_mmc_receive_device_id (uint32_t id);
807 void set_mmc_send_device_id (uint32_t id);
811 void start_scrub (nframes_t where);
813 void set_scrub_speed (float);
814 nframes_t scrub_buffer_size() const;
815 sigc::signal<void> ScrubReady;
817 /* History (for editors, mixers, UIs etc.) */
819 /** Undo some transactions.
820 * @param n Number of transactions to undo.
822 void undo (uint32_t n) {
826 void redo (uint32_t n) {
830 UndoHistory& history() { return _history; }
832 uint32_t undo_depth() const { return _history.undo_depth(); }
833 uint32_t redo_depth() const { return _history.redo_depth(); }
834 std::string next_undo() const { return _history.next_undo(); }
835 std::string next_redo() const { return _history.next_redo(); }
837 void begin_reversible_command (const std::string& cmd_name);
838 void commit_reversible_command (Command* cmd = 0);
840 void add_command (Command *const cmd) {
841 assert(!_current_trans.empty ());
842 _current_trans.top()->add_command (cmd);
845 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
847 // these commands are implemented in libs/ardour/session_command.cc
848 Command* memento_command_factory(XMLNode* n);
849 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
851 Command* global_state_command_factory (const XMLNode& n);
853 class GlobalRouteStateCommand : public Command
856 GlobalRouteStateCommand (Session&, void*);
857 GlobalRouteStateCommand (Session&, const XMLNode& node);
858 int set_state (const XMLNode&);
859 XMLNode& get_state ();
862 GlobalRouteBooleanState before, after;
868 class GlobalSoloStateCommand : public GlobalRouteStateCommand
871 GlobalSoloStateCommand (Session &, void *src);
872 GlobalSoloStateCommand (Session&, const XMLNode&);
873 void operator()(); //redo
875 XMLNode &get_state();
879 class GlobalMuteStateCommand : public GlobalRouteStateCommand
882 GlobalMuteStateCommand(Session &, void *src);
883 GlobalMuteStateCommand (Session&, const XMLNode&);
884 void operator()(); // redo
886 XMLNode &get_state();
890 class GlobalRecordEnableStateCommand : public GlobalRouteStateCommand
893 GlobalRecordEnableStateCommand(Session &, void *src);
894 GlobalRecordEnableStateCommand (Session&, const XMLNode&);
895 void operator()(); // redo
897 XMLNode &get_state();
901 class GlobalMeteringStateCommand : public Command
904 GlobalMeteringStateCommand(Session &, void *src);
905 GlobalMeteringStateCommand (Session&, const XMLNode&);
908 XMLNode &get_state();
909 int set_state (const XMLNode&);
915 GlobalRouteMeterState before;
916 GlobalRouteMeterState after;
921 boost::shared_ptr<IO> click_io() { return _click_io; }
923 /* disk, buffer loads */
925 uint32_t playback_load ();
926 uint32_t capture_load ();
927 uint32_t playback_load_min ();
928 uint32_t capture_load_min ();
930 void reset_playback_load_min ();
931 void reset_capture_load_min ();
933 float read_data_rate () const; // in usec
934 float write_data_rate () const;
938 void set_audio_range (std::list<AudioRange>&);
939 void set_music_range (std::list<MusicRange>&);
941 void request_play_range (bool yn);
942 bool get_play_range () const { return _play_range; }
944 /* buffers for gain and pan */
946 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
947 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
949 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
953 static long vst_callback (AEffect* effect,
960 static sigc::signal<void> SendFeedback;
964 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
966 void add_controllable (boost::shared_ptr<PBD::Controllable>);
967 void remove_controllable (PBD::Controllable*);
969 SessionMetadata & metadata () { return *_metadata; }
971 SessionConfiguration config;
974 friend class AudioEngine;
975 void set_block_size (nframes_t nframes);
976 void set_frame_rate (nframes_t nframes);
979 friend class Diskstream;
981 void wait_till_butler_finished();
985 void schedule_curve_reallocation ();
986 void update_latency_compensation (bool, bool);
989 int create (bool& new_session, const std::string& mix_template, nframes_t initial_length);
992 nframes_t compute_initial_length ();
995 PendingDeclickIn = 0x1,
996 PendingDeclickOut = 0x2,
997 StopPendingCapture = 0x4,
998 AutoReturning = 0x10,
999 PendingLocate = 0x20,
1000 PendingSetLoop = 0x40
1003 /* stuff used in process() should be close together to
1007 typedef void (Session::*process_function_type)(nframes_t);
1009 AudioEngine& _engine;
1010 mutable gint processing_prohibited;
1011 process_function_type process_function;
1012 process_function_type last_process_function;
1013 bool waiting_for_sync_offset;
1014 nframes_t _base_frame_rate;
1015 nframes_t _current_frame_rate; //this includes video pullup offset
1016 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
1017 int transport_sub_state;
1018 mutable gint _record_status;
1019 volatile nframes_t _transport_frame;
1020 Location* end_location;
1021 Location* start_location;
1024 volatile double _transport_speed;
1025 double _last_transport_speed;
1026 // varispeed playback
1027 uint64_t phi; // fixed point transport speed
1028 uint64_t target_phi; // fixed point target transport speed
1029 uint64_t phase; // fixed point phase
1030 bool auto_play_legal;
1031 nframes_t _last_slave_transport_frame;
1032 nframes_t maximum_output_latency;
1033 volatile nframes64_t _requested_return_frame;
1034 BufferSet* _scratch_buffers;
1035 BufferSet* _silent_buffers;
1036 BufferSet* _mix_buffers;
1037 nframes_t current_block_size;
1038 nframes_t _worst_output_latency;
1039 nframes_t _worst_input_latency;
1040 nframes_t _worst_track_latency;
1041 bool _have_captured;
1043 float _meter_falloff;
1045 void set_worst_io_latencies ();
1046 void set_worst_io_latencies_x (IOChange asifwecare, void *ignored) {
1047 set_worst_io_latencies ();
1050 void update_latency_compensation_proxy (void* ignored);
1052 void ensure_buffers (ChanCount howmany);
1054 void process_scrub (nframes_t);
1055 void process_without_events (nframes_t);
1056 void process_with_events (nframes_t);
1057 void process_audition (nframes_t);
1058 void process_export (nframes_t);
1059 int process_export_fw (nframes_t);
1061 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1062 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1063 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1065 /* slave tracking */
1067 static const int delta_accumulator_size = 25;
1068 int delta_accumulator_cnt;
1069 long delta_accumulator[delta_accumulator_size];
1070 long average_slave_delta;
1072 bool have_first_delta_accumulator;
1080 SlaveState slave_state;
1081 nframes_t slave_wait_end;
1083 void reset_slave_state ();
1084 bool follow_slave (nframes_t);
1085 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
1086 void track_slave_state(float slave_speed, nframes_t slave_transport_frame,
1087 nframes_t this_delta, bool starting);
1088 void follow_slave_silently(nframes_t nframes, float slave_speed);
1090 void set_slave_source (SlaveSource);
1092 SlaveSource post_export_slave;
1093 nframes_t post_export_position;
1096 bool _exporting_realtime;
1098 boost::shared_ptr<ExportHandler> export_handler;
1099 boost::shared_ptr<ExportStatus> export_status;
1102 int stop_audio_export ();
1103 void finalize_audio_export ();
1105 sigc::connection export_freewheel_connection;
1107 void prepare_diskstreams ();
1108 void commit_diskstreams (nframes_t, bool& session_requires_butler);
1109 int process_routes (nframes_t);
1110 int silent_process_routes (nframes_t);
1112 bool get_rec_monitors_input () {
1113 if (actively_recording()) {
1116 if (config.get_auto_input()) {
1124 int get_transport_declick_required () {
1125 if (transport_sub_state & PendingDeclickIn) {
1126 transport_sub_state &= ~PendingDeclickIn;
1128 } else if (transport_sub_state & PendingDeclickOut) {
1135 bool maybe_stop (nframes_t limit) {
1136 if ( (_transport_speed > 0.0f && _transport_frame >= limit)
1137 || (_transport_speed < 0.0f && _transport_frame == 0) ) {
1144 bool maybe_sync_start (nframes_t&);
1146 void check_declick_out ();
1148 MIDI::MachineControl* mmc;
1149 MIDI::Port* _mmc_port;
1150 MIDI::Port* _mtc_port;
1151 MIDI::Port* _midi_port;
1152 MIDI::Port* _midi_clock_port;
1155 bool session_send_mmc;
1156 bool session_send_mtc;
1157 bool session_midi_feedback;
1160 nframes_t last_loopend;
1162 boost::scoped_ptr<SessionDirectory> _session_dir;
1164 RingBuffer<Event*> pending_events;
1167 void when_engine_running ();
1168 void graph_reordered ();
1170 std::string _current_snapshot_name;
1172 XMLTree* state_tree;
1173 bool state_was_pending;
1174 StateOfTheState _state_of_the_state;
1177 int load_options (const XMLNode&);
1178 int load_state (std::string snapshot_name);
1180 nframes_t _last_roll_location;
1181 nframes_t _last_record_location;
1183 bool pending_locate_roll;
1184 nframes_t pending_locate_frame;
1185 bool pending_locate_flush;
1187 bool pending_auto_loop;
1189 Sample* butler_mixdown_buffer;
1190 float* butler_gain_buffer;
1191 pthread_t butler_thread;
1192 Glib::Mutex butler_request_lock;
1193 Glib::Cond butler_paused;
1194 bool butler_should_run;
1195 mutable gint butler_should_do_transport_work;
1196 int butler_request_pipe[2];
1198 inline bool transport_work_requested() const {
1199 return g_atomic_int_get(&butler_should_do_transport_work);
1202 struct ButlerRequest {
1211 enum PostTransportWork {
1212 PostTransportStop = 0x1,
1213 PostTransportDisableRecord = 0x2,
1214 PostTransportPosition = 0x8,
1215 PostTransportDidRecord = 0x20,
1216 PostTransportDuration = 0x40,
1217 PostTransportLocate = 0x80,
1218 PostTransportRoll = 0x200,
1219 PostTransportAbort = 0x800,
1220 PostTransportOverWrite = 0x1000,
1221 PostTransportSpeed = 0x2000,
1222 PostTransportAudition = 0x4000,
1223 PostTransportScrub = 0x8000,
1224 PostTransportReverse = 0x10000,
1225 PostTransportInputChange = 0x20000,
1226 PostTransportCurveRealloc = 0x40000
1229 static const PostTransportWork ProcessCannotProceedMask =
1231 PostTransportInputChange|
1233 PostTransportReverse|
1234 PostTransportCurveRealloc|
1236 PostTransportAudition|
1237 PostTransportLocate|
1240 PostTransportWork post_transport_work;
1242 void summon_butler ();
1243 void schedule_butler_transport_work ();
1244 int start_butler_thread ();
1245 void terminate_butler_thread ();
1246 static void *_butler_thread_work (void *arg);
1247 void* butler_thread_work ();
1249 uint32_t cumulative_rf_motion;
1252 void set_rf_speed (float speed);
1253 void reset_rf_scale (nframes_t frames_moved);
1255 Locations _locations;
1256 void locations_changed ();
1257 void locations_added (Location*);
1258 void handle_locations_changed (Locations::LocationList&);
1260 sigc::connection auto_punch_start_changed_connection;
1261 sigc::connection auto_punch_end_changed_connection;
1262 sigc::connection auto_punch_changed_connection;
1263 void auto_punch_start_changed (Location *);
1264 void auto_punch_end_changed (Location *);
1265 void auto_punch_changed (Location *);
1267 sigc::connection auto_loop_start_changed_connection;
1268 sigc::connection auto_loop_end_changed_connection;
1269 sigc::connection auto_loop_changed_connection;
1270 void auto_loop_changed (Location *);
1272 typedef std::list<Event *> Events;
1274 Events immediate_events;
1275 Events::iterator next_event;
1277 /* there can only ever be one of each of these */
1279 Event *auto_loop_event;
1280 Event *punch_out_event;
1281 Event *punch_in_event;
1285 void dump_events () const;
1286 void queue_event (Event *ev);
1287 void merge_event (Event*);
1288 void replace_event (Event::Type, nframes_t action_frame, nframes_t target = 0);
1289 bool _replace_event (Event*);
1290 bool _remove_event (Event *);
1291 void _clear_event_type (Event::Type);
1293 void first_stage_init (std::string path, std::string snapshot_name);
1294 int second_stage_init (bool new_tracks);
1295 void find_current_end ();
1296 void remove_empty_sounds ();
1298 void setup_midi_control ();
1299 int midi_read (MIDI::Port *);
1301 void enable_record ();
1303 void increment_transport_position (uint32_t val) {
1304 if (max_frames - val < _transport_frame) {
1305 _transport_frame = max_frames;
1307 _transport_frame += val;
1311 void decrement_transport_position (uint32_t val) {
1312 if (val < _transport_frame) {
1313 _transport_frame -= val;
1315 _transport_frame = 0;
1319 void post_transport_motion ();
1320 static void *session_loader_thread (void *arg);
1324 void set_next_event ();
1325 void process_event (Event *ev);
1327 /* MIDI Machine Control */
1329 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1331 void spp_start (MIDI::Parser&, nframes_t timestamp);
1332 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1333 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1335 void mmc_deferred_play (MIDI::MachineControl &);
1336 void mmc_stop (MIDI::MachineControl &);
1337 void mmc_step (MIDI::MachineControl &, int);
1338 void mmc_pause (MIDI::MachineControl &);
1339 void mmc_record_pause (MIDI::MachineControl &);
1340 void mmc_record_strobe (MIDI::MachineControl &);
1341 void mmc_record_exit (MIDI::MachineControl &);
1342 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1343 void mmc_fast_forward (MIDI::MachineControl &);
1344 void mmc_rewind (MIDI::MachineControl &);
1345 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1346 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1347 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1349 struct timeval last_mmc_step;
1352 typedef sigc::slot<bool> MidiTimeoutCallback;
1353 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1355 MidiTimeoutList midi_timeouts;
1356 bool mmc_step_timeout ();
1358 MIDI::byte mmc_buffer[32];
1359 MIDI::byte mtc_msg[16];
1360 MIDI::byte mtc_smpte_bits; /* encoding of SMTPE type for MTC */
1361 MIDI::byte midi_msg[16];
1362 nframes_t outbound_mtc_smpte_frame;
1363 SMPTE::Time transmitting_smpte_time;
1364 int next_quarter_frame_to_send;
1366 double _frames_per_smpte_frame; /* has to be floating point because of drop frame */
1367 nframes_t _frames_per_hour;
1368 nframes_t _smpte_frames_per_hour;
1369 nframes_t _smpte_offset;
1370 bool _smpte_offset_negative;
1372 /* cache the most-recently requested time conversions. This helps when we
1373 * have multiple clocks showing the same time (e.g. the transport frame) */
1374 bool last_smpte_valid;
1375 nframes_t last_smpte_when;
1376 SMPTE::Time last_smpte;
1378 bool _send_smpte_update; ///< Flag to send a full frame (SMPTE) MTC message this cycle
1380 int send_full_time_code(nframes_t nframes);
1381 int send_midi_time_code_for_cycle(nframes_t nframes);
1383 nframes_t adjust_apparent_position (nframes_t frames);
1385 void reset_record_status ();
1387 int no_roll (nframes_t nframes);
1388 int fail_roll (nframes_t nframes);
1390 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work); }
1391 bool process_can_proceed() const { return !(post_transport_work & ProcessCannotProceedMask); }
1393 struct MIDIRequest {
1401 Glib::Mutex midi_lock;
1402 pthread_t midi_thread;
1403 int midi_request_pipe[2];
1404 RingBuffer<MIDIRequest*> midi_requests;
1406 int start_midi_thread ();
1407 void terminate_midi_thread ();
1408 void poke_midi_thread ();
1409 static void *_midi_thread_work (void *arg);
1410 void midi_thread_work ();
1411 void change_midi_ports ();
1412 int use_config_midi_ports ();
1414 void set_play_loop (bool yn);
1415 void overwrite_some_buffers (Diskstream*);
1416 void flush_all_inserts ();
1417 int micro_locate (nframes_t distance);
1418 void locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1419 void start_locate (nframes_t, bool with_roll, bool with_flush, bool with_loop=false);
1420 void force_locate (nframes_t frame, bool with_roll = false);
1421 void set_diskstream_speed (Diskstream*, double speed);
1422 void set_transport_speed (double speed, bool abort = false);
1423 void stop_transport (bool abort = false);
1424 void start_transport ();
1425 void realtime_stop (bool abort);
1426 void non_realtime_start_scrub ();
1427 void non_realtime_set_speed ();
1428 void non_realtime_locate ();
1429 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1430 void non_realtime_overwrite (int entry_request_count, bool& finished);
1431 void butler_transport_work ();
1432 void post_transport ();
1433 void engine_halted ();
1434 void xrun_recovery ();
1436 TempoMap *_tempo_map;
1437 void tempo_map_changed (Change);
1439 /* edit/mix groups */
1441 int load_route_groups (const XMLNode&, bool is_edit);
1442 int load_edit_groups (const XMLNode&);
1443 int load_mix_groups (const XMLNode&);
1446 std::list<RouteGroup *> edit_groups;
1447 std::list<RouteGroup *> mix_groups;
1451 SerializedRCUManager<DiskstreamList> diskstreams;
1453 uint32_t audio_dstream_buffer_size;
1454 uint32_t midi_dstream_buffer_size;
1455 int load_diskstreams (const XMLNode&);
1459 SerializedRCUManager<RouteList> routes;
1461 void add_routes (RouteList&, bool save);
1462 uint32_t destructive_index;
1464 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&);
1468 bool solo_update_disabled;
1469 bool currently_soloing;
1471 void route_mute_changed (void *src);
1472 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1473 void catch_up_on_solo ();
1474 void catch_up_on_solo_mute_override ();
1475 void update_route_solo_state ();
1476 void modify_solo_mute (bool, bool);
1477 void strip_portname_for_solo (std::string& portname);
1479 /* REGION MANAGEMENT */
1481 std::map<std::string,uint32_t> region_name_map;
1482 void update_region_name_map (boost::shared_ptr<Region>);
1484 mutable Glib::Mutex region_lock;
1485 typedef std::map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1488 void add_region (boost::shared_ptr<Region>);
1489 void region_changed (Change, boost::weak_ptr<Region>);
1490 void remove_region (boost::weak_ptr<Region>);
1492 int load_regions (const XMLNode& node);
1496 mutable Glib::Mutex source_lock;
1497 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1502 SourceMap get_sources() { return sources; }
1505 int load_sources (const XMLNode& node);
1506 XMLNode& get_sources_as_xml ();
1508 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1512 mutable Glib::Mutex playlist_lock;
1513 typedef std::set<boost::shared_ptr<Playlist> > PlaylistList;
1514 PlaylistList playlists;
1515 PlaylistList unused_playlists;
1517 int load_playlists (const XMLNode&);
1518 int load_unused_playlists (const XMLNode&);
1519 void remove_playlist (boost::weak_ptr<Playlist>);
1520 void track_playlist (bool, boost::weak_ptr<Playlist>);
1522 boost::shared_ptr<Playlist> playlist_factory (std::string name);
1523 boost::shared_ptr<Playlist> XMLPlaylistFactory (const XMLNode&);
1525 void playlist_length_changed ();
1526 void diskstream_playlist_changed (boost::shared_ptr<Diskstream>);
1528 /* NAMED SELECTIONS */
1530 mutable Glib::Mutex named_selection_lock;
1531 typedef std::set<NamedSelection *> NamedSelectionList;
1532 NamedSelectionList named_selections;
1534 int load_named_selections (const XMLNode&);
1536 NamedSelection *named_selection_factory (std::string name);
1537 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1539 /* CURVES and AUTOMATION LISTS */
1540 std::map<PBD::ID, AutomationList*> automation_lists;
1542 /* DEFAULT FADE CURVES */
1544 float default_fade_steepness;
1545 float default_fade_msecs;
1549 boost::shared_ptr<Auditioner> auditioner;
1550 void set_audition (boost::shared_ptr<Region>);
1551 void non_realtime_set_audition ();
1552 boost::shared_ptr<Region> pending_audition_region;
1558 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1560 /* INSERT AND SEND MANAGEMENT */
1562 std::list<PortInsert *> _port_inserts;
1563 std::list<PluginInsert *> _plugin_inserts;
1564 std::list<Send *> _sends;
1565 std::list<Return *> _returns;
1566 boost::dynamic_bitset<uint32_t> send_bitset;
1567 boost::dynamic_bitset<uint32_t> return_bitset;
1568 boost::dynamic_bitset<uint32_t> insert_bitset;
1570 uint32_t insert_cnt;
1573 void add_processor (Processor *);
1574 void remove_processor (Processor *);
1578 struct space_and_path {
1579 uint32_t blocks; /* 4kB blocks */
1587 struct space_and_path_ascending_cmp {
1588 bool operator() (space_and_path a, space_and_path b) {
1589 return a.blocks > b.blocks;
1593 void setup_raid_path (std::string path);
1595 std::vector<space_and_path> session_dirs;
1596 std::vector<space_and_path>::iterator last_rr_session_dir;
1597 uint32_t _total_free_4k_blocks;
1598 Glib::Mutex space_lock;
1600 std::string get_best_session_directory_for_new_source ();
1601 void refresh_disk_space ();
1603 mutable gint _playback_load;
1604 mutable gint _capture_load;
1605 mutable gint _playback_load_min;
1606 mutable gint _capture_load_min;
1610 SerializedRCUManager<BundleList> _bundles;
1611 XMLNode* _bundle_xml_node;
1612 int load_bundles (XMLNode const &);
1614 void reverse_diskstream_buffers ();
1616 UndoHistory _history;
1617 std::stack<UndoTransaction*> _current_trans;
1619 GlobalRouteBooleanState get_global_route_boolean (bool (Route::*method)(void) const);
1620 GlobalRouteMeterState get_global_route_metering ();
1622 void set_global_route_boolean (GlobalRouteBooleanState s, void (Route::*method)(bool, void*), void *arg);
1623 void set_global_route_metering (GlobalRouteMeterState s, void *arg);
1625 void set_global_mute (GlobalRouteBooleanState s, void *src);
1626 void set_global_solo (GlobalRouteBooleanState s, void *src);
1627 void set_global_record_enable (GlobalRouteBooleanState s, void *src);
1629 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1630 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1631 void reset_jack_connection (jack_client_t* jack);
1632 void record_enable_change_all (bool yn);
1634 XMLNode& state(bool);
1644 Click (nframes_t s, nframes_t d, const Sample *b)
1645 : start (s), duration (d), data (b) { offset = 0; }
1647 void *operator new(size_t ignored) {
1648 return pool.alloc ();
1651 void operator delete(void *ptr, size_t size) {
1659 typedef std::list<Click*> Clicks;
1663 boost::shared_ptr<IO> _click_io;
1665 Sample* click_emphasis_data;
1666 nframes_t click_length;
1667 nframes_t click_emphasis_length;
1668 mutable Glib::RWLock click_lock;
1670 static const Sample default_click[];
1671 static const nframes_t default_click_length;
1672 static const Sample default_click_emphasis[];
1673 static const nframes_t default_click_emphasis_length;
1676 void setup_click_sounds (int which);
1677 void clear_clicks ();
1678 void click (nframes_t start, nframes_t nframes);
1680 std::vector<Route*> master_outs;
1682 /* range playback */
1684 std::list<AudioRange> current_audio_range;
1686 void set_play_range (bool yn);
1687 void setup_auto_play ();
1692 boost::shared_ptr<IO> _master_out;
1693 boost::shared_ptr<IO> _control_out;
1695 gain_t* _gain_automation_buffer;
1696 pan_t** _pan_automation_buffer;
1697 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1698 uint32_t _npan_buffers;
1702 long _vst_callback (VSTPlugin*,
1709 /* number of hardware ports we're using,
1710 based on max (requested,available)
1713 uint32_t n_physical_outputs;
1714 uint32_t n_physical_inputs;
1716 uint32_t n_physical_audio_outputs;
1717 uint32_t n_physical_audio_inputs;
1719 uint32_t n_physical_midi_outputs;
1720 uint32_t n_physical_midi_inputs;
1722 int find_all_sources (std::string path, std::set<std::string>& result);
1723 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1725 LayerModel layer_model;
1726 CrossfadeModel xfade_model;
1728 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1729 Glib::Mutex controllables_lock;
1730 Controllables controllables;
1732 void reset_native_file_format();
1733 bool first_file_data_format_reset;
1734 bool first_file_header_format_reset;
1736 void config_changed (std::string, bool);
1738 XMLNode& get_control_protocol_state ();
1740 void set_history_depth (uint32_t depth);
1741 void sync_order_keys ();
1743 static bool _disable_all_loaded_plugins;
1745 SessionMetadata * _metadata;
1747 mutable bool have_looped; ///< Used in ::audible_frame(*)
1749 void update_have_rec_enabled_diskstream ();
1750 gint _have_rec_enabled_diskstream;
1753 } // namespace ARDOUR
1755 #endif /* __ardour_session_h__ */