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>
36 #include <glibmm/thread.h>
38 #include "pbd/error.h"
40 #include "pbd/statefuldestructible.h"
43 #include "midi++/mmc.h"
44 #include "midi++/types.h"
46 #include "pbd/destructible.h"
47 #include "pbd/stateful.h"
49 #include "ardour/ardour.h"
50 #include "ardour/click.h"
51 #include "ardour/chan_count.h"
52 #include "ardour/rc_configuration.h"
53 #include "ardour/session_configuration.h"
54 #include "ardour/session_event.h"
55 #include "ardour/location.h"
56 #include "ardour/timecode.h"
57 #include "ardour/interpolation.h"
77 class AudioDiskstream;
79 class AudioFileSource;
89 class ControlProtocolInfo;
101 class NamedSelection;
113 class SessionDirectory;
114 class SessionMetadata;
115 class SessionPlaylists;
121 extern void setup_enum_writer ();
123 class Session : public PBD::StatefulDestructible, public SessionEventManager, public boost::noncopyable
132 /* creating from an XML file */
134 Session (AudioEngine&,
135 const std::string& fullpath,
136 const std::string& snapshot_name,
137 std::string mix_template = "");
139 /* creating a new Session */
141 Session (AudioEngine&,
142 std::string fullpath,
143 std::string snapshot_name,
144 AutoConnectOption input_auto_connect,
145 AutoConnectOption output_auto_connect,
146 uint32_t control_out_channels,
147 uint32_t master_out_channels,
148 uint32_t n_physical_in,
149 uint32_t n_physical_out,
150 nframes_t initial_length);
154 std::string path() const { return _path; }
155 std::string name() const { return _name; }
156 std::string snap_name() const { return _current_snapshot_name; }
157 std::string raid_path () const;
158 bool path_is_within_session (const std::string&);
160 void set_snap_name ();
162 bool writable() const { return _writable; }
165 bool dirty() const { return _state_of_the_state & Dirty; }
166 void set_deletion_in_progress ();
167 void clear_deletion_in_progress ();
168 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
169 sigc::signal<void> DirtyChanged;
171 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
173 static sigc::signal<void> AutoBindingOn;
174 static sigc::signal<void> AutoBindingOff;
176 static sigc::signal<void,std::string> Dialog;
178 std::string sound_dir (bool with_path = true) const;
179 std::string peak_dir () const;
180 std::string dead_sound_dir () const;
181 std::string automation_dir () const;
182 std::string analysis_dir() const;
184 int ensure_subdirs ();
186 Glib::ustring peak_path (Glib::ustring) const;
188 static std::string change_source_path_by_name (std::string oldpath, std::string oldname, std::string newname, bool destructive);
190 std::string peak_path_from_audio_path (std::string) const;
191 std::string new_audio_source_name (const std::string&, uint32_t nchans, uint32_t chan, bool destructive);
192 std::string new_midi_source_name (const std::string&);
193 std::string new_source_path_from_name (DataType type, const std::string&);
194 RouteList new_route_from_template (uint32_t how_many, const std::string& template_path);
196 void process (nframes_t nframes);
198 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
199 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO);
200 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
202 void add_diskstream (boost::shared_ptr<Diskstream>);
203 boost::shared_ptr<Diskstream> diskstream_by_id (const PBD::ID& id);
204 boost::shared_ptr<Diskstream> diskstream_by_name (std::string name);
205 bool have_rec_enabled_diskstream () const;
207 bool have_captured() const { return _have_captured; }
209 void refill_all_diskstream_buffers ();
210 Butler* butler() { return _butler; }
211 void butler_transport_work ();
213 uint32_t get_next_diskstream_id() const { return n_diskstreams(); }
214 uint32_t n_diskstreams() const;
216 void refresh_disk_space ();
218 typedef std::list<boost::shared_ptr<Diskstream> > DiskstreamList;
220 SerializedRCUManager<DiskstreamList>& diskstream_list() { return diskstreams; }
222 int load_routes (const XMLNode&, int);
223 boost::shared_ptr<RouteList> get_routes() const {
224 return routes.reader ();
227 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
229 boost::shared_ptr<RouteList> get_routes_with_regions_at (nframes64_t const) const;
231 uint32_t nroutes() const { return routes.reader()->size(); }
232 uint32_t ntracks () const;
233 uint32_t nbusses () const;
235 boost::shared_ptr<BundleList> bundles () {
236 return _bundles.reader ();
239 struct RoutePublicOrderSorter {
240 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
243 void sync_order_keys (std::string const &);
245 template<class T> void foreach_route (T *obj, void (T::*func)(Route&));
246 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>));
247 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg);
249 boost::shared_ptr<Route> route_by_name (std::string);
250 boost::shared_ptr<Route> route_by_id (PBD::ID);
251 boost::shared_ptr<Route> route_by_remote_id (uint32_t id);
253 bool route_name_unique (std::string) const;
254 bool route_name_internal (std::string) const;
256 bool get_record_enabled() const {
257 return (record_status () >= Enabled);
260 RecordState record_status() const {
261 return (RecordState) g_atomic_int_get (&_record_status);
264 bool actively_recording () {
265 return record_status() == Recording;
268 bool record_enabling_legal () const;
269 void maybe_enable_record ();
270 void disable_record (bool rt_context, bool force = false);
271 void step_back_from_record ();
273 void maybe_write_autosave ();
275 /* Proxy signal for region hidden changes */
277 sigc::signal<void,boost::shared_ptr<Region> > RegionHiddenChange;
279 /* Emitted when all i/o connections are complete */
281 sigc::signal<void> IOConnectionsComplete;
283 /* Record status signals */
285 sigc::signal<void> RecordStateChanged;
287 /* Transport mechanism signals */
289 sigc::signal<void> TransportStateChange; /* generic */
290 sigc::signal<void,nframes64_t> PositionChanged; /* sent after any non-sequential motion */
291 sigc::signal<void> DurationChanged;
292 sigc::signal<void,nframes64_t> Xrun;
293 sigc::signal<void> TransportLooped;
295 /** emitted when a locate has occurred */
296 sigc::signal<void> Located;
298 sigc::signal<void,RouteList&> RouteAdded;
299 sigc::signal<void> RouteGroupChanged;
301 void queue_event (SessionEvent*);
303 void request_roll_at_and_return (nframes_t start, nframes_t return_to);
304 void request_bounded_roll (nframes_t start, nframes_t end);
305 void request_stop (bool abort = false, bool clear_state = false);
306 void request_locate (nframes_t frame, bool with_roll = false);
308 void request_play_loop (bool yn, bool leave_rolling = false);
309 bool get_play_loop () const { return play_loop; }
311 nframes_t last_transport_start() const { return _last_roll_location; }
312 void goto_end () { request_locate (end_location->start(), false);}
313 void goto_start () { request_locate (start_location->start(), false); }
314 void set_session_start (nframes_t start) { start_location->set_start(start); }
315 void set_session_end (nframes_t end) { end_location->set_start(end); config.set_end_marker_is_free (false); }
316 void use_rf_shuttle_speed ();
317 void allow_auto_play (bool yn);
318 void request_transport_speed (double speed);
319 void request_overwrite_buffer (Diskstream*);
320 void request_diskstream_speed (Diskstream&, double speed);
321 void request_input_change_handling ();
323 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
324 bool transport_locked () const;
328 int remove_region_from_region_list (boost::shared_ptr<Region>);
330 nframes_t get_maximum_extent () const;
331 nframes_t current_end_frame() const { return end_location->start(); }
332 nframes_t current_start_frame() const { return start_location->start(); }
333 /// "actual" sample rate of session, set by current audioengine rate, pullup/down etc.
334 nframes_t frame_rate() const { return _current_frame_rate; }
335 /// "native" sample rate of session, regardless of current audioengine rate, pullup/down etc
336 nframes_t nominal_frame_rate() const { return _nominal_frame_rate; }
337 nframes_t frames_per_hour() const { return _frames_per_hour; }
339 double frames_per_timecode_frame() const { return _frames_per_timecode_frame; }
340 nframes_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
342 MIDI::byte get_mtc_timecode_bits() const {
343 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
346 float timecode_frames_per_second() const;
347 bool timecode_drop_frames() const;
351 Locations *locations() { return &_locations; }
353 sigc::signal<void,Location*> auto_loop_location_changed;
354 sigc::signal<void,Location*> auto_punch_location_changed;
355 sigc::signal<void> locations_modified;
357 void set_auto_punch_location (Location *);
358 void set_auto_loop_location (Location *);
359 int location_name(std::string& result, std::string base = std::string(""));
361 void reset_input_monitor_state ();
363 nframes_t get_block_size() const { return current_block_size; }
364 nframes_t worst_output_latency () const { return _worst_output_latency; }
365 nframes_t worst_input_latency () const { return _worst_input_latency; }
366 nframes_t worst_track_latency () const { return _worst_track_latency; }
368 int save_state (std::string snapshot_name, bool pending = false);
369 int restore_state (std::string snapshot_name);
370 int save_template (std::string template_name);
371 int save_history (std::string snapshot_name = "");
372 int restore_history (std::string snapshot_name);
373 void remove_state (std::string snapshot_name);
374 void rename_state (std::string old_name, std::string new_name);
375 void remove_pending_capture_state ();
377 static int rename_template (std::string old_name, std::string new_name);
378 static int delete_template (std::string name);
380 sigc::signal<void,std::string> StateSaved;
381 sigc::signal<void> StateReady;
383 std::vector<std::string*>* possible_states() const;
384 static std::vector<std::string*>* possible_states (std::string path);
386 XMLNode& get_state();
387 int set_state(const XMLNode& node, int version); // not idempotent
388 XMLNode& get_template();
390 /// The instant xml file is written to the session directory
391 void add_instant_xml (XMLNode&, bool write_to_config = true);
392 XMLNode* instant_xml (const std::string& str);
394 enum StateOfTheState {
399 InitialConnecting = 0x8,
404 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
406 void add_route_group (RouteGroup *);
407 void remove_route_group (RouteGroup&);
409 RouteGroup *route_group_by_name (std::string);
411 sigc::signal<void,RouteGroup*> route_group_added;
412 sigc::signal<void> route_group_removed;
414 void foreach_route_group (sigc::slot<void,RouteGroup*> sl) {
415 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); i++) {
420 /* fundamental operations. duh. */
422 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
423 int input_channels, int output_channels, TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
426 RouteList new_audio_route (bool aux, int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many);
428 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
429 TrackMode mode = Normal, RouteGroup* route_group = 0, uint32_t how_many = 1
432 void remove_route (boost::shared_ptr<Route>);
433 void resort_routes ();
434 void resort_routes_using (boost::shared_ptr<RouteList>);
436 void set_remote_control_ids();
438 AudioEngine & engine() { return _engine; }
439 AudioEngine const & engine () const { return _engine; }
446 nframes64_t transport_frame () const {return _transport_frame; }
447 nframes64_t audible_frame () const;
448 nframes64_t requested_return_frame() const { return _requested_return_frame; }
462 void sync_time_vars();
464 void bbt_time (nframes_t when, BBT_Time&);
465 void timecode_to_sample(Timecode::Time& timecode, nframes_t& sample, bool use_offset, bool use_subframes) const;
466 void sample_to_timecode(nframes_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
467 void timecode_time (Timecode::Time &);
468 void timecode_time (nframes_t when, Timecode::Time&);
469 void timecode_time_subframes (nframes_t when, Timecode::Time&);
471 void timecode_duration (nframes_t, Timecode::Time&) const;
472 void timecode_duration_string (char *, nframes_t) const;
474 void set_timecode_offset (nframes_t);
475 nframes_t timecode_offset () const { return _timecode_offset; }
476 void set_timecode_offset_negative (bool);
477 bool timecode_offset_negative () const { return _timecode_offset_negative; }
479 nframes_t convert_to_frames_at (nframes_t position, AnyTime const &);
481 static sigc::signal<void> StartTimeChanged;
482 static sigc::signal<void> EndTimeChanged;
483 static sigc::signal<void> TimecodeOffsetChanged;
485 std::vector<SyncSource> get_available_sync_options() const;
486 void request_sync_source (Slave*);
487 bool synced_to_jack() const { return config.get_external_sync() && config.get_sync_source() == JACK; }
489 double transport_speed() const { return _transport_speed; }
490 bool transport_stopped() const { return _transport_speed == 0.0f; }
491 bool transport_rolling() const { return _transport_speed != 0.0f; }
493 void set_silent (bool yn);
494 bool silent () { return _silent; }
496 int jack_slave_sync (nframes_t);
498 TempoMap& tempo_map() { return *_tempo_map; }
500 /// signals the current transport position in frames, bbt and timecode time (in that order)
501 sigc::signal<void, const nframes_t&, const BBT_Time&, const Timecode::Time&> tick;
505 void add_regions (std::vector<boost::shared_ptr<Region> >&);
507 sigc::signal<void,boost::weak_ptr<Region> > RegionAdded;
508 sigc::signal<void,std::vector<boost::weak_ptr<Region> >& > RegionsAdded;
509 sigc::signal<void,boost::weak_ptr<Region> > RegionRemoved;
511 int region_name (std::string& result, std::string base = std::string(""), bool newlevel = false);
512 std::string new_region_name (std::string);
513 std::string path_from_region_name (DataType type, std::string name, std::string identifier);
515 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>);
517 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
518 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
519 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
521 template<class T> void foreach_region (T *obj, void (T::*func)(boost::shared_ptr<Region>));
523 /* source management */
525 void import_audiofiles (ImportStatus&);
526 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
527 std::string build_tmp_convert_name (std::string file);
529 boost::shared_ptr<ExportHandler> get_export_handler ();
530 boost::shared_ptr<ExportStatus> get_export_status ();
532 int start_audio_export (nframes_t position, bool realtime);
534 sigc::signal<int, nframes_t> ProcessExport;
535 sigc::signal<void> ExportReadFinished;
536 static sigc::signal<void, std::string, std::string> Exported;
538 void add_source (boost::shared_ptr<Source>);
539 void remove_source (boost::weak_ptr<Source>);
541 int cleanup_sources (CleanupReport&);
542 int cleanup_trash_sources (CleanupReport&);
544 int destroy_region (boost::shared_ptr<Region>);
545 int destroy_regions (std::list<boost::shared_ptr<Region> >);
547 int remove_last_capture ();
549 /** handlers should return -1 for "stop cleanup",
550 0 for "yes, delete this playlist",
551 1 for "no, don't delete this playlist".
553 sigc::signal<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
555 /** handlers should return 0 for "ignore the rate mismatch",
556 !0 for "do not use this session"
558 static sigc::signal<int,nframes_t, nframes_t> AskAboutSampleRateMismatch;
560 /** handlers should return !0 for use pending state, 0 for ignore it.
562 static sigc::signal<int> AskAboutPendingState;
564 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (ARDOUR::AudioDiskstream&, uint32_t which_channel, bool destructive);
566 boost::shared_ptr<MidiSource> create_midi_source_for_session (ARDOUR::MidiDiskstream&);
568 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
569 boost::shared_ptr<Source> source_by_path_and_channel (const Glib::ustring&, uint16_t);
571 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
573 /* named selections */
575 NamedSelection* named_selection_by_name (std::string name);
576 void add_named_selection (NamedSelection *);
577 void remove_named_selection (NamedSelection *);
579 template<class T> void foreach_named_selection (T& obj, void (T::*func)(NamedSelection&));
580 sigc::signal<void> NamedSelectionAdded;
581 sigc::signal<void> NamedSelectionRemoved;
583 /* Curves and AutomationLists (TODO when they go away) */
584 void add_automation_list(AutomationList*);
588 float get_default_fade_length () const { return default_fade_msecs; }
589 float get_default_fade_steepness () const { return default_fade_steepness; }
590 void set_default_fade (float steepness, float msecs);
594 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
595 void audition_playlist ();
596 void audition_region (boost::shared_ptr<Region>);
597 void cancel_audition ();
598 bool is_auditioning () const;
600 sigc::signal<void,bool> AuditionActive;
602 /* flattening stuff */
604 boost::shared_ptr<Region> write_one_track (AudioTrack&, nframes_t start, nframes_t end,
605 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
606 bool enable_processing = true);
607 int freeze (InterThreadInfo&);
609 /* session-wide solo/mute/rec-enable */
611 bool soloing() const { return _non_soloed_outs_muted; }
612 bool listening() const { return _listen_cnt > 0; }
614 static const SessionEvent::RTeventCallback rt_cleanup;
616 void set_solo (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
617 void set_just_one_solo (boost::shared_ptr<Route>, bool, SessionEvent::RTeventCallback after = rt_cleanup);
618 void set_mute (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
619 void set_listen (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
620 void set_record_enable (boost::shared_ptr<RouteList>, bool, SessionEvent::RTeventCallback after = rt_cleanup, bool group_override = false);
622 sigc::signal<void,bool> SoloActive;
623 sigc::signal<void> SoloChanged;
626 /* control/master out */
628 boost::shared_ptr<Route> control_out() const { return _control_out; }
629 boost::shared_ptr<Route> master_out() const { return _master_out; }
631 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p);
632 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
633 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
634 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
635 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
637 static void set_disable_all_loaded_plugins (bool yn) {
638 _disable_all_loaded_plugins = yn;
640 static bool get_disable_all_loaded_plugins() {
641 return _disable_all_loaded_plugins;
644 uint32_t next_send_id();
645 uint32_t next_return_id();
646 uint32_t next_insert_id();
647 void mark_send_id (uint32_t);
648 void mark_return_id (uint32_t);
649 void mark_insert_id (uint32_t);
651 /* s/w "RAID" management */
653 nframes_t available_capture_duration();
657 void add_bundle (boost::shared_ptr<Bundle>);
658 void remove_bundle (boost::shared_ptr<Bundle>);
659 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
661 sigc::signal<void,boost::shared_ptr<Bundle> > BundleAdded;
662 sigc::signal<void,boost::shared_ptr<Bundle> > BundleRemoved;
666 void midi_panic(void);
667 int set_mtc_port (std::string port_tag);
668 int set_mmc_port (std::string port_tag);
669 int set_midi_port (std::string port_tag);
670 int set_midi_clock_port (std::string port_tag);
671 MIDI::Port *mtc_port() const { return _mtc_port; }
672 MIDI::Port *mmc_port() const { return _mmc_port; }
673 MIDI::Port *midi_port() const { return _midi_port; }
674 MIDI::Port *midi_clock_port() const { return _midi_clock_port; }
676 sigc::signal<void> MTC_PortChanged;
677 sigc::signal<void> MMC_PortChanged;
678 sigc::signal<void> MIDI_PortChanged;
679 sigc::signal<void> MIDIClock_PortChanged;
681 void set_trace_midi_input (bool, MIDI::Port* port = 0);
682 void set_trace_midi_output (bool, MIDI::Port* port = 0);
684 bool get_trace_midi_input(MIDI::Port *port = 0);
685 bool get_trace_midi_output(MIDI::Port *port = 0);
687 void set_mmc_receive_device_id (uint32_t id);
688 void set_mmc_send_device_id (uint32_t id);
692 void start_scrub (nframes_t where);
694 void set_scrub_speed (float);
695 nframes_t scrub_buffer_size() const;
696 sigc::signal<void> ScrubReady;
698 /* History (for editors, mixers, UIs etc.) */
700 /** Undo some transactions.
701 * @param n Number of transactions to undo.
703 void undo (uint32_t n) {
707 void redo (uint32_t n) {
711 UndoHistory& history() { return _history; }
713 uint32_t undo_depth() const { return _history.undo_depth(); }
714 uint32_t redo_depth() const { return _history.redo_depth(); }
715 std::string next_undo() const { return _history.next_undo(); }
716 std::string next_redo() const { return _history.next_redo(); }
718 void begin_reversible_command (const std::string& cmd_name);
719 void commit_reversible_command (Command* cmd = 0);
721 UndoTransaction* start_reversible_command (const std::string& cmd_name);
722 void finish_reversible_command (UndoTransaction&);
724 void add_command (Command *const cmd) {
725 assert(!_current_trans.empty ());
726 _current_trans.top()->add_command (cmd);
729 std::map<PBD::ID, PBD::StatefulThingWithGoingAway*> registry;
731 // these commands are implemented in libs/ardour/session_command.cc
732 Command* memento_command_factory(XMLNode* n);
733 void register_with_memento_command_factory(PBD::ID, PBD::StatefulThingWithGoingAway*);
737 boost::shared_ptr<IO> click_io() { return _click_io; }
739 /* disk, buffer loads */
741 uint32_t playback_load ();
742 uint32_t capture_load ();
743 uint32_t playback_load_min ();
744 uint32_t capture_load_min ();
746 void reset_playback_load_min ();
747 void reset_capture_load_min ();
751 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
752 bool get_play_range () const { return _play_range; }
754 /* buffers for gain and pan */
756 gain_t* gain_automation_buffer () const { return _gain_automation_buffer; }
757 pan_t** pan_automation_buffer () const { return _pan_automation_buffer; }
759 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
763 static long vst_callback (AEffect* effect,
770 static sigc::signal<void> SendFeedback;
774 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
776 void add_controllable (boost::shared_ptr<PBD::Controllable>);
777 void remove_controllable (PBD::Controllable*);
779 SessionMetadata & metadata () { return *_metadata; }
781 SessionConfiguration config;
783 bool exporting () const {
787 /* this is a private enum, but setup_enum_writer() needs it,
788 and i can't find a way to give that function
792 enum PostTransportWork {
793 PostTransportStop = 0x1,
794 PostTransportDisableRecord = 0x2,
795 PostTransportPosition = 0x8,
796 PostTransportDidRecord = 0x20,
797 PostTransportDuration = 0x40,
798 PostTransportLocate = 0x80,
799 PostTransportRoll = 0x200,
800 PostTransportAbort = 0x800,
801 PostTransportOverWrite = 0x1000,
802 PostTransportSpeed = 0x2000,
803 PostTransportAudition = 0x4000,
804 PostTransportScrub = 0x8000,
805 PostTransportReverse = 0x10000,
806 PostTransportInputChange = 0x20000,
807 PostTransportCurveRealloc = 0x40000,
808 PostTransportClearSubstate = 0x80000
817 SlaveState slave_state() const { return _slave_state; }
819 boost::shared_ptr<SessionPlaylists> playlists;
822 friend class AudioEngine;
823 void set_block_size (nframes_t nframes);
824 void set_frame_rate (nframes_t nframes);
828 void schedule_curve_reallocation ();
829 void update_latency_compensation (bool, bool);
832 int create (bool& new_session, const std::string& mix_template, nframes_t initial_length);
835 nframes_t compute_initial_length ();
838 PendingDeclickIn = 0x1,
839 PendingDeclickOut = 0x2,
840 StopPendingCapture = 0x4,
841 AutoReturning = 0x10,
842 PendingLocate = 0x20,
843 PendingSetLoop = 0x40
846 /* stuff used in process() should be close together to
850 typedef void (Session::*process_function_type)(nframes_t);
852 AudioEngine& _engine;
853 mutable gint processing_prohibited;
854 process_function_type process_function;
855 process_function_type last_process_function;
856 bool waiting_for_sync_offset;
857 nframes_t _base_frame_rate;
858 nframes_t _current_frame_rate; //this includes video pullup offset
859 nframes_t _nominal_frame_rate; //ignores audioengine setting, "native" SR
860 int transport_sub_state;
861 mutable gint _record_status;
862 volatile nframes64_t _transport_frame;
863 Location* end_location;
864 Location* start_location;
868 // varispeed playback
869 volatile double _transport_speed;
870 double _last_transport_speed;
871 double _target_transport_speed;
872 CubicInterpolation interpolation;
874 bool auto_play_legal;
875 nframes64_t _last_slave_transport_frame;
876 nframes_t maximum_output_latency;
877 volatile nframes64_t _requested_return_frame;
878 BufferSet* _scratch_buffers;
879 BufferSet* _silent_buffers;
880 BufferSet* _mix_buffers;
881 nframes_t current_block_size;
882 nframes_t _worst_output_latency;
883 nframes_t _worst_input_latency;
884 nframes_t _worst_track_latency;
887 float _meter_falloff;
888 bool _non_soloed_outs_muted;
889 uint32_t _listen_cnt;
893 void set_worst_io_latencies ();
894 void set_worst_io_latencies_x (IOChange, void *) {
895 set_worst_io_latencies ();
898 void update_latency_compensation_proxy (void* ignored);
900 void ensure_buffers (ChanCount howmany);
902 void process_scrub (nframes_t);
903 void process_without_events (nframes_t);
904 void process_with_events (nframes_t);
905 void process_audition (nframes_t);
906 void process_export (nframes_t);
907 int process_export_fw (nframes_t);
909 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
910 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
911 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
915 static const int delta_accumulator_size = 25;
916 int delta_accumulator_cnt;
917 long delta_accumulator[delta_accumulator_size];
918 long average_slave_delta;
920 bool have_first_delta_accumulator;
922 SlaveState _slave_state;
923 nframes_t slave_wait_end;
925 void reset_slave_state ();
926 bool follow_slave (nframes_t);
927 void calculate_moving_average_of_slave_delta(int dir, nframes_t this_delta);
928 void track_slave_state(float slave_speed, nframes_t slave_transport_frame, nframes_t this_delta);
929 void follow_slave_silently(nframes_t nframes, float slave_speed);
931 void switch_to_sync_source (SyncSource); /* !RT context */
932 void drop_sync_source (); /* !RT context */
933 void use_sync_source (Slave*); /* RT context */
935 bool post_export_sync;
936 nframes_t post_export_position;
939 bool _exporting_realtime;
941 boost::shared_ptr<ExportHandler> export_handler;
942 boost::shared_ptr<ExportStatus> export_status;
945 int stop_audio_export ();
946 void finalize_audio_export ();
948 sigc::connection export_freewheel_connection;
950 void prepare_diskstreams ();
951 void commit_diskstreams (nframes_t, bool& session_requires_butler);
952 int process_routes (nframes_t);
953 int silent_process_routes (nframes_t);
955 bool get_rec_monitors_input () {
956 if (actively_recording()) {
959 if (config.get_auto_input()) {
967 int get_transport_declick_required () {
968 if (transport_sub_state & PendingDeclickIn) {
969 transport_sub_state &= ~PendingDeclickIn;
971 } else if (transport_sub_state & PendingDeclickOut) {
978 bool maybe_stop (nframes_t limit);
979 bool maybe_sync_start (nframes_t&);
981 void check_declick_out ();
983 MIDI::MachineControl* mmc;
984 MIDI::Port* _mmc_port;
985 MIDI::Port* _mtc_port;
986 MIDI::Port* _midi_port;
987 MIDI::Port* _midi_clock_port;
990 bool session_send_mmc;
991 bool session_send_mtc;
992 bool session_midi_feedback;
995 nframes_t last_loopend;
997 boost::scoped_ptr<SessionDirectory> _session_dir;
1000 void when_engine_running ();
1001 void graph_reordered ();
1003 std::string _current_snapshot_name;
1005 XMLTree* state_tree;
1006 bool state_was_pending;
1007 StateOfTheState _state_of_the_state;
1010 int load_options (const XMLNode&);
1011 int load_state (std::string snapshot_name);
1013 nframes_t _last_roll_location;
1014 nframes_t _last_record_location;
1016 bool pending_locate_roll;
1017 nframes_t pending_locate_frame;
1018 bool pending_locate_flush;
1020 bool pending_auto_loop;
1024 #if 0 // these should be here, see comments in their other location above
1025 enum PostTransportWork {
1026 PostTransportStop = 0x1,
1027 PostTransportDisableRecord = 0x2,
1028 PostTransportPosition = 0x8,
1029 PostTransportDidRecord = 0x20,
1030 PostTransportDuration = 0x40,
1031 PostTransportLocate = 0x80,
1032 PostTransportRoll = 0x200,
1033 PostTransportAbort = 0x800,
1034 PostTransportOverWrite = 0x1000,
1035 PostTransportSpeed = 0x2000,
1036 PostTransportAudition = 0x4000,
1037 PostTransportScrub = 0x8000,
1038 PostTransportReverse = 0x10000,
1039 PostTransportInputChange = 0x20000,
1040 PostTransportCurveRealloc = 0x40000,
1041 PostTransportClearSubstate = 0x80000
1044 static const PostTransportWork ProcessCannotProceedMask =
1046 PostTransportInputChange|
1048 PostTransportReverse|
1049 PostTransportCurveRealloc|
1051 PostTransportAudition|
1052 PostTransportLocate|
1054 PostTransportClearSubstate);
1056 gint _post_transport_work; /* accessed only atomic ops */
1057 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (&_post_transport_work); }
1058 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1059 void add_post_transport_work (PostTransportWork ptw);
1061 uint32_t cumulative_rf_motion;
1064 void set_rf_speed (float speed);
1065 void reset_rf_scale (nframes_t frames_moved);
1067 Locations _locations;
1068 void locations_changed ();
1069 void locations_added (Location*);
1070 void handle_locations_changed (Locations::LocationList&);
1072 sigc::connection auto_punch_start_changed_connection;
1073 sigc::connection auto_punch_end_changed_connection;
1074 sigc::connection auto_punch_changed_connection;
1075 void auto_punch_start_changed (Location *);
1076 void auto_punch_end_changed (Location *);
1077 void auto_punch_changed (Location *);
1079 sigc::connection auto_loop_start_changed_connection;
1080 sigc::connection auto_loop_end_changed_connection;
1081 sigc::connection auto_loop_changed_connection;
1082 void auto_loop_changed (Location *);
1084 void first_stage_init (std::string path, std::string snapshot_name);
1085 int second_stage_init (bool new_tracks);
1086 void find_current_end ();
1087 void remove_empty_sounds ();
1089 void setup_midi_control ();
1090 int midi_read (MIDI::Port *);
1092 void enable_record ();
1094 void increment_transport_position (uint32_t val) {
1095 if (max_frames - val < _transport_frame) {
1096 _transport_frame = max_frames;
1098 _transport_frame += val;
1102 void decrement_transport_position (uint32_t val) {
1103 if (val < _transport_frame) {
1104 _transport_frame -= val;
1106 _transport_frame = 0;
1110 void post_transport_motion ();
1111 static void *session_loader_thread (void *arg);
1115 /* SessionEventManager interface */
1117 void process_event (SessionEvent*);
1118 void set_next_event ();
1119 void cleanup_event (SessionEvent*,int);
1121 /* MIDI Machine Control */
1123 void deliver_mmc (MIDI::MachineControl::Command, nframes_t);
1125 void spp_start (MIDI::Parser&, nframes_t timestamp);
1126 void spp_continue (MIDI::Parser&, nframes_t timestamp);
1127 void spp_stop (MIDI::Parser&, nframes_t timestamp);
1129 void mmc_deferred_play (MIDI::MachineControl &);
1130 void mmc_stop (MIDI::MachineControl &);
1131 void mmc_step (MIDI::MachineControl &, int);
1132 void mmc_pause (MIDI::MachineControl &);
1133 void mmc_record_pause (MIDI::MachineControl &);
1134 void mmc_record_strobe (MIDI::MachineControl &);
1135 void mmc_record_exit (MIDI::MachineControl &);
1136 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1137 void mmc_fast_forward (MIDI::MachineControl &);
1138 void mmc_rewind (MIDI::MachineControl &);
1139 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1140 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1141 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1143 struct timeval last_mmc_step;
1146 typedef sigc::slot<bool> MidiTimeoutCallback;
1147 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1149 MidiTimeoutList midi_timeouts;
1150 bool mmc_step_timeout ();
1152 MIDI::byte mmc_buffer[32];
1153 MIDI::byte mtc_msg[16];
1154 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1155 MIDI::byte midi_msg[16];
1156 nframes_t outbound_mtc_timecode_frame;
1157 Timecode::Time transmitting_timecode_time;
1158 int next_quarter_frame_to_send;
1160 double _frames_per_timecode_frame; /* has to be floating point because of drop frame */
1161 nframes_t _frames_per_hour;
1162 nframes_t _timecode_frames_per_hour;
1163 nframes_t _timecode_offset;
1164 bool _timecode_offset_negative;
1166 /* cache the most-recently requested time conversions. This helps when we
1167 * have multiple clocks showing the same time (e.g. the transport frame) */
1168 bool last_timecode_valid;
1169 nframes_t last_timecode_when;
1170 Timecode::Time last_timecode;
1172 bool _send_timecode_update; ///< Flag to send a full frame (Timecode) MTC message this cycle
1174 int send_full_time_code(nframes_t nframes);
1175 int send_midi_time_code_for_cycle(nframes_t nframes);
1177 nframes_t adjust_apparent_position (nframes_t frames);
1179 void reset_record_status ();
1181 int no_roll (nframes_t nframes);
1182 int fail_roll (nframes_t nframes);
1184 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1185 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1187 MidiControlUI* midi_control_ui;
1189 int start_midi_thread ();
1190 void terminate_midi_thread ();
1192 int use_config_midi_ports ();
1194 void set_play_loop (bool yn);
1195 void unset_play_loop ();
1196 void overwrite_some_buffers (Diskstream*);
1197 void flush_all_inserts ();
1198 int micro_locate (nframes_t distance);
1199 void locate (nframes64_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false);
1200 void start_locate (nframes64_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false);
1201 void force_locate (nframes64_t frame, bool with_roll = false);
1202 void set_diskstream_speed (Diskstream*, double speed);
1203 void set_transport_speed (double speed, bool abort = false, bool clear_state = false);
1204 void stop_transport (bool abort = false, bool clear_state = false);
1205 void start_transport ();
1206 void realtime_stop (bool abort, bool clear_state);
1207 void non_realtime_start_scrub ();
1208 void non_realtime_set_speed ();
1209 void non_realtime_locate ();
1210 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1211 void non_realtime_overwrite (int entry_request_count, bool& finished);
1212 void post_transport ();
1213 void engine_halted ();
1214 void xrun_recovery ();
1216 TempoMap *_tempo_map;
1217 void tempo_map_changed (Change);
1219 /* edit/mix groups */
1221 int load_route_groups (const XMLNode&, int);
1223 std::list<RouteGroup *> _route_groups;
1227 SerializedRCUManager<DiskstreamList> diskstreams;
1229 int load_diskstreams (const XMLNode&);
1233 SerializedRCUManager<RouteList> routes;
1235 void add_routes (RouteList&, bool save);
1236 uint32_t destructive_index;
1238 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1240 void route_processors_changed (RouteProcessorChange);
1244 bool solo_update_disabled;
1246 void route_listen_changed (void *src, boost::weak_ptr<Route>);
1247 void route_mute_changed (void *src);
1248 void route_solo_changed (void *src, boost::weak_ptr<Route>);
1249 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1251 void listen_position_changed ();
1252 void solo_control_mode_changed ();
1254 /* REGION MANAGEMENT */
1256 std::map<std::string,uint32_t> region_name_map;
1257 void update_region_name_map (boost::shared_ptr<Region>);
1259 mutable Glib::Mutex region_lock;
1260 typedef std::map<PBD::ID,boost::shared_ptr<Region> > RegionList;
1263 void add_region (boost::shared_ptr<Region>);
1264 void region_changed (Change, boost::weak_ptr<Region>);
1265 void remove_region (boost::weak_ptr<Region>);
1267 int load_regions (const XMLNode& node);
1269 void route_group_changed ();
1273 mutable Glib::Mutex source_lock;
1274 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1279 SourceMap get_sources() { return sources; }
1282 int load_sources (const XMLNode& node);
1283 XMLNode& get_sources_as_xml ();
1285 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1289 void remove_playlist (boost::weak_ptr<Playlist>);
1290 void playlist_length_changed ();
1291 void diskstream_playlist_changed (boost::weak_ptr<Diskstream>);
1293 /* NAMED SELECTIONS */
1295 mutable Glib::Mutex named_selection_lock;
1296 typedef std::set<NamedSelection *> NamedSelectionList;
1297 NamedSelectionList named_selections;
1299 int load_named_selections (const XMLNode&);
1301 NamedSelection *named_selection_factory (std::string name);
1302 NamedSelection *XMLNamedSelectionFactory (const XMLNode&);
1304 /* CURVES and AUTOMATION LISTS */
1305 std::map<PBD::ID, AutomationList*> automation_lists;
1307 /* DEFAULT FADE CURVES */
1309 float default_fade_steepness;
1310 float default_fade_msecs;
1314 boost::shared_ptr<Auditioner> auditioner;
1315 void set_audition (boost::shared_ptr<Region>);
1316 void non_realtime_set_audition ();
1317 boost::shared_ptr<Region> pending_audition_region;
1323 int flatten_one_track (AudioTrack&, nframes_t start, nframes_t cnt);
1325 /* INSERT AND SEND MANAGEMENT */
1327 boost::dynamic_bitset<uint32_t> send_bitset;
1328 boost::dynamic_bitset<uint32_t> return_bitset;
1329 boost::dynamic_bitset<uint32_t> insert_bitset;
1331 void add_processor (Processor *);
1332 void remove_processor (Processor *);
1336 struct space_and_path {
1337 uint32_t blocks; /* 4kB blocks */
1345 struct space_and_path_ascending_cmp {
1346 bool operator() (space_and_path a, space_and_path b) {
1347 return a.blocks > b.blocks;
1351 void setup_raid_path (std::string path);
1353 std::vector<space_and_path> session_dirs;
1354 std::vector<space_and_path>::iterator last_rr_session_dir;
1355 uint32_t _total_free_4k_blocks;
1356 Glib::Mutex space_lock;
1358 std::string get_best_session_directory_for_new_source ();
1360 mutable gint _playback_load;
1361 mutable gint _capture_load;
1362 mutable gint _playback_load_min;
1363 mutable gint _capture_load_min;
1367 SerializedRCUManager<BundleList> _bundles;
1368 XMLNode* _bundle_xml_node;
1369 int load_bundles (XMLNode const &);
1371 void reverse_diskstream_buffers ();
1373 UndoHistory _history;
1374 std::stack<UndoTransaction*> _current_trans;
1376 void jack_timebase_callback (jack_transport_state_t, nframes_t, jack_position_t*, int);
1377 int jack_sync_callback (jack_transport_state_t, jack_position_t*);
1378 void reset_jack_connection (jack_client_t* jack);
1379 void process_rtop (SessionEvent*);
1381 XMLNode& state(bool);
1387 boost::shared_ptr<IO> _click_io;
1389 Sample* click_emphasis_data;
1390 nframes_t click_length;
1391 nframes_t click_emphasis_length;
1392 mutable Glib::RWLock click_lock;
1394 static const Sample default_click[];
1395 static const nframes_t default_click_length;
1396 static const Sample default_click_emphasis[];
1397 static const nframes_t default_click_emphasis_length;
1400 void setup_click_sounds (int which);
1401 void clear_clicks ();
1402 void click (nframes_t start, nframes_t nframes);
1404 std::vector<Route*> master_outs;
1406 /* range playback */
1408 std::list<AudioRange> current_audio_range;
1410 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1411 void unset_play_range ();
1416 boost::shared_ptr<Route> _master_out;
1417 boost::shared_ptr<Route> _control_out;
1419 gain_t* _gain_automation_buffer;
1420 pan_t** _pan_automation_buffer;
1421 void allocate_pan_automation_buffers (nframes_t nframes, uint32_t howmany, bool force);
1422 uint32_t _npan_buffers;
1426 long _vst_callback (VSTPlugin*,
1433 /* number of hardware ports we're using,
1434 based on max (requested,available)
1437 uint32_t n_physical_outputs;
1438 uint32_t n_physical_inputs;
1440 uint32_t n_physical_audio_outputs;
1441 uint32_t n_physical_audio_inputs;
1443 uint32_t n_physical_midi_outputs;
1444 uint32_t n_physical_midi_inputs;
1446 int find_all_sources (std::string path, std::set<std::string>& result);
1447 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1449 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1450 Glib::Mutex controllables_lock;
1451 Controllables controllables;
1453 void reset_native_file_format();
1454 bool first_file_data_format_reset;
1455 bool first_file_header_format_reset;
1457 void config_changed (std::string, bool);
1459 XMLNode& get_control_protocol_state ();
1461 void set_history_depth (uint32_t depth);
1462 void sync_order_keys ();
1464 static bool _disable_all_loaded_plugins;
1466 SessionMetadata * _metadata;
1468 mutable bool have_looped; ///< Used in ::audible_frame(*)
1470 void update_have_rec_enabled_diskstream ();
1471 gint _have_rec_enabled_diskstream;
1473 /* realtime "apply to set of routes" operations */
1474 SessionEvent* get_rt_event (boost::shared_ptr<RouteList> rl, bool yn, SessionEvent::RTeventCallback after, bool group_override,
1475 void (Session::*method) (boost::shared_ptr<RouteList>, bool, bool));
1477 void rt_set_solo (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1478 void rt_set_just_one_solo (boost::shared_ptr<RouteList>, bool yn, bool /* ignored*/ );
1479 void rt_set_mute (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1480 void rt_set_listen (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1481 void rt_set_record_enable (boost::shared_ptr<RouteList>, bool yn, bool group_override);
1484 } // namespace ARDOUR
1486 #endif /* __ardour_session_h__ */