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__
23 #include "libardour-config.h"
34 #include <boost/dynamic_bitset.hpp>
35 #include <boost/scoped_ptr.hpp>
36 #include <boost/weak_ptr.hpp>
37 #include <boost/utility.hpp>
39 #include <glibmm/threads.h>
43 #include "pbd/error.h"
44 #include "pbd/event_loop.h"
46 #include "pbd/reallocpool.h"
47 #include "pbd/statefuldestructible.h"
48 #include "pbd/signals.h"
51 #include "lua/luastate.h"
53 #include "evoral/Range.hpp"
55 #include "midi++/types.h"
56 #include "midi++/mmc.h"
58 #include "timecode/time.h"
60 #include "ardour/ardour.h"
61 #include "ardour/chan_count.h"
62 #include "ardour/delivery.h"
63 #include "ardour/interthread_info.h"
64 #include "ardour/luascripting.h"
65 #include "ardour/location.h"
66 #include "ardour/monitor_processor.h"
67 #include "ardour/presentation_info.h"
68 #include "ardour/rc_configuration.h"
69 #include "ardour/session_configuration.h"
70 #include "ardour/session_event.h"
71 #include "ardour/interpolation.h"
72 #include "ardour/plugin.h"
73 #include "ardour/presentation_info.h"
74 #include "ardour/route.h"
75 #include "ardour/route_graph.h"
81 typedef struct _AEffect AEffect;
105 class AudioFileSource;
110 class AutomationList;
116 class ControllableDescriptor;
124 class MidiClockTicker;
126 class MidiPortManager;
146 class SessionDirectory;
147 class SessionMetadata;
148 class SessionPlaylists;
155 class WindowsVSTPlugin;
157 extern void setup_enum_writer ();
159 class LIBARDOUR_API SessionException: public std::exception {
161 explicit SessionException(const std::string msg) : _message(msg) {}
162 virtual ~SessionException() throw() {}
164 virtual const char* what() const throw() { return _message.c_str(); }
167 std::string _message;
170 /** Ardour Session */
171 class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionList, public SessionEventManager
175 PendingDeclickIn = 0x1, ///< pending de-click fade-in for start
176 PendingDeclickOut = 0x2, ///< pending de-click fade-out for stop
177 StopPendingCapture = 0x4,
178 PendingLoopDeclickIn = 0x8, ///< pending de-click fade-in at the start of a loop
179 PendingLoopDeclickOut = 0x10, ///< pending de-click fade-out at the end of a loop
180 PendingLocate = 0x20,
190 /* a new session might have non-empty mix_template, an existing session should always have an empty one.
191 the bus profile can be null if no master out bus is required.
194 Session (AudioEngine&,
195 const std::string& fullpath,
196 const std::string& snapshot_name,
197 BusProfile* bus_profile = 0,
198 std::string mix_template = "");
202 static int get_info_from_path (const std::string& xmlpath, float& sample_rate, SampleFormat& data_format, std::string& program_version);
203 static std::string get_snapshot_from_instant (const std::string& session_dir);
205 /** a monotonic counter used for naming user-visible things uniquely
206 * (curently the sidechain port).
207 * Use sparingly to keep the numbers low, prefer PBD::ID for all
208 * internal, not user-visible IDs */
209 static unsigned int next_name_id ();
211 std::string path() const { return _path; }
212 std::string name() const { return _name; }
213 std::string snap_name() const { return _current_snapshot_name; }
214 std::string raid_path () const;
215 bool path_is_within_session (const std::string&);
217 bool writable() const { return _writable; }
220 bool dirty() const { return _state_of_the_state & Dirty; }
221 void set_deletion_in_progress ();
222 void clear_deletion_in_progress ();
223 bool reconnection_in_progress() const { return _reconnecting_routes_in_progress; }
224 bool deletion_in_progress() const { return _state_of_the_state & Deletion; }
225 bool routes_deletion_in_progress() const { return _route_deletion_in_progress; }
226 bool peaks_cleanup_in_progres() const { return _state_of_the_state & PeakCleanup; }
227 bool loading () const { return _state_of_the_state & Loading; }
229 PBD::Signal0<void> DirtyChanged;
231 const SessionDirectory& session_directory () const { return *(_session_dir.get()); }
233 static PBD::Signal1<void,std::string> Dialog;
235 PBD::Signal0<void> BatchUpdateStart;
236 PBD::Signal0<void> BatchUpdateEnd;
238 int ensure_subdirs ();
240 std::string automation_dir () const; ///< Automation data
241 std::string analysis_dir () const; ///< Analysis data
242 std::string plugins_dir () const; ///< Plugin state
243 std::string externals_dir () const; ///< Links to external files
245 std::string construct_peak_filepath (const std::string& audio_path, const bool in_session = false, const bool old_peak_name = false) const;
247 bool audio_source_name_is_unique (const std::string& name);
248 std::string format_audio_source_name (const std::string& legalized_base, uint32_t nchan, uint32_t chan, bool destructive, bool take_required, uint32_t cnt, bool related_exists);
249 std::string new_audio_source_path_for_embedded (const std::string& existing_path);
250 std::string new_audio_source_path (const std::string&, uint32_t nchans, uint32_t chan, bool destructive, bool take_required);
251 std::string new_midi_source_path (const std::string&);
252 /** create a new track or bus from a template (XML path)
253 * @param how_many how many tracks or busses to create
254 * @param template_path path to xml template file
255 * @param name name (prefix) of the route to create
256 * @param pd Playlist disposition
257 * @return list of newly created routes
259 RouteList new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, const std::string& template_path, const std::string& name, PlaylistDisposition pd = NewPlaylist);
260 RouteList new_route_from_template (uint32_t how_many, PresentationInfo::order_t insert_at, XMLNode&, const std::string& name, PlaylistDisposition pd = NewPlaylist);
261 std::vector<std::string> get_paths_for_new_sources (bool allow_replacing, const std::string& import_file_path,
262 uint32_t channels, std::vector<std::string> const & smf_track_names);
264 int bring_all_sources_into_session (boost::function<void(uint32_t,uint32_t,std::string)> callback);
266 void process (pframes_t nframes);
268 BufferSet& get_silent_buffers (ChanCount count = ChanCount::ZERO);
269 BufferSet& get_noinplace_buffers (ChanCount count = ChanCount::ZERO);
270 BufferSet& get_scratch_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
271 BufferSet& get_route_buffers (ChanCount count = ChanCount::ZERO, bool silence = true);
272 BufferSet& get_mix_buffers (ChanCount count = ChanCount::ZERO);
274 bool have_rec_enabled_track () const;
275 bool have_rec_disabled_track () const;
277 bool have_captured() const { return _have_captured; }
279 void refill_all_track_buffers ();
280 Butler* butler() { return _butler; }
281 void butler_transport_work ();
283 void refresh_disk_space ();
285 int load_diskstreams_2X (XMLNode const &, int);
287 int load_routes (const XMLNode&, int);
288 boost::shared_ptr<RouteList> get_routes() const {
289 return routes.reader ();
292 /* because the set of Stripables consists of objects managed
293 * independently, in multiple containers within the Session (or objects
294 * owned by the session), we fill out a list in-place rather than
295 * return a pointer to a copy of the (RCU) managed list, as happens
299 void get_stripables (StripableList&) const;
300 boost::shared_ptr<RouteList> get_tracks() const;
301 boost::shared_ptr<RouteList> get_routes_with_internal_returns() const;
302 boost::shared_ptr<RouteList> get_routes_with_regions_at (framepos_t const) const;
304 uint32_t nroutes() const { return routes.reader()->size(); }
305 uint32_t ntracks () const;
306 uint32_t nbusses () const;
308 boost::shared_ptr<BundleList> bundles () {
309 return _bundles.reader ();
312 struct LIBARDOUR_API RoutePublicOrderSorter {
313 bool operator() (boost::shared_ptr<Route>, boost::shared_ptr<Route> b);
316 void notify_presentation_info_change ();
318 template<class T> void foreach_route (T *obj, void (T::*func)(Route&), bool sort = true);
319 template<class T> void foreach_route (T *obj, void (T::*func)(boost::shared_ptr<Route>), bool sort = true);
320 template<class T, class A> void foreach_route (T *obj, void (T::*func)(Route&, A), A arg, bool sort = true);
322 static char session_name_is_legal (const std::string&);
323 bool io_name_is_legal (const std::string&) const;
324 boost::shared_ptr<Route> route_by_name (std::string) const;
325 boost::shared_ptr<Route> route_by_id (PBD::ID) const;
326 boost::shared_ptr<Stripable> get_remote_nth_stripable (PresentationInfo::order_t n, PresentationInfo::Flag) const;
327 boost::shared_ptr<Route> get_remote_nth_route (PresentationInfo::order_t n) const;
328 boost::shared_ptr<Route> route_by_selected_count (uint32_t cnt) const;
329 boost::shared_ptr<Track> track_by_diskstream_id (PBD::ID) const;
330 void routes_using_input_from (const std::string& str, RouteList& rl);
332 bool route_name_unique (std::string) const;
333 bool route_name_internal (std::string) const;
335 uint32_t track_number_decimals () const {
336 return _track_number_decimals;
339 bool get_record_enabled() const {
340 return (record_status () >= Enabled);
343 RecordState record_status() const {
344 return (RecordState) g_atomic_int_get (&_record_status);
347 bool actively_recording () const {
348 return record_status() == Recording;
351 bool record_enabling_legal () const;
352 void maybe_enable_record (bool rt_context = false);
353 void disable_record (bool rt_context, bool force = false);
354 void step_back_from_record ();
356 void set_all_tracks_record_enabled(bool);
358 void maybe_write_autosave ();
360 /* Emitted when all i/o connections are complete */
362 PBD::Signal0<void> IOConnectionsComplete;
364 /* Timecode status signals */
365 PBD::Signal1<void, bool> MTCSyncStateChanged;
366 PBD::Signal1<void, bool> LTCSyncStateChanged;
368 /* Record status signals */
370 PBD::Signal0<void> RecordStateChanged; /* signals changes in recording state (i.e. are we recording) */
371 /* XXX may 2015: paul says: it isn't clear to me that this has semantics that cannot be inferrred
372 from the previous signal and session state.
374 PBD::Signal0<void> RecordArmStateChanged; /* signals changes in recording arming */
376 /* Emited when session is loaded */
377 PBD::Signal0<void> SessionLoaded;
379 /* Transport mechanism signals */
381 /** Emitted on the following changes in transport state:
382 * - stop (from the butler thread)
383 * - change in whether or not we are looping (from the process thread)
384 * - change in the play range (from the process thread)
385 * - start (from the process thread)
388 PBD::Signal0<void> TransportStateChange;
390 PBD::Signal1<void,framepos_t> PositionChanged; /* sent after any non-sequential motion */
391 PBD::Signal1<void,framepos_t> Xrun;
392 PBD::Signal0<void> TransportLooped;
394 /** emitted when a locate has occurred */
395 PBD::Signal0<void> Located;
397 PBD::Signal1<void,RouteList&> RouteAdded;
398 /** Emitted when a property of one of our route groups changes.
399 * The parameter is the RouteGroup that has changed.
401 PBD::Signal1<void, RouteGroup *> RouteGroupPropertyChanged;
402 /** Emitted when a route is added to one of our route groups.
403 * First parameter is the RouteGroup, second is the route.
405 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteAddedToRouteGroup;
406 /** Emitted when a route is removed from one of our route groups.
407 * First parameter is the RouteGroup, second is the route.
409 PBD::Signal2<void, RouteGroup *, boost::weak_ptr<Route> > RouteRemovedFromRouteGroup;
411 /* Step Editing status changed */
412 PBD::Signal1<void,bool> StepEditStatusChange;
414 /* Timecode state signals */
415 PBD::Signal0<void> MtcOrLtcInputPortChanged;
417 void queue_event (SessionEvent*);
419 void request_roll_at_and_return (framepos_t start, framepos_t return_to);
420 void request_bounded_roll (framepos_t start, framepos_t end);
421 void request_stop (bool abort = false, bool clear_state = false);
422 void request_locate (framepos_t frame, bool with_roll = false);
424 void request_play_loop (bool yn, bool leave_rolling = false);
425 bool get_play_loop () const { return play_loop; }
427 framepos_t last_transport_start () const { return _last_roll_location; }
429 void goto_start (bool and_roll = false);
430 void use_rf_shuttle_speed ();
431 void allow_auto_play (bool yn);
432 void request_transport_speed (double speed, bool as_default = true);
433 void request_transport_speed_nonzero (double, bool as_default = true);
434 void request_overwrite_buffer (Track *);
435 void adjust_playback_buffering();
436 void adjust_capture_buffering();
437 void request_track_speed (Track *, double speed);
438 void request_input_change_handling ();
440 bool locate_pending() const { return static_cast<bool>(post_transport_work()&PostTransportLocate); }
441 bool declick_out_pending() const { return static_cast<bool>(transport_sub_state&(PendingDeclickOut)); }
442 bool transport_locked () const;
446 framepos_t current_end_frame () const;
447 framepos_t current_start_frame () const;
448 /** "actual" sample rate of session, set by current audioengine rate, pullup/down etc. */
449 framecnt_t frame_rate () const { return _current_frame_rate; }
450 /** "native" sample rate of session, regardless of current audioengine rate, pullup/down etc */
451 framecnt_t nominal_frame_rate () const { return _nominal_frame_rate; }
452 framecnt_t frames_per_hour () const { return _frames_per_hour; }
454 double samples_per_timecode_frame() const { return _samples_per_timecode_frame; }
455 framecnt_t timecode_frames_per_hour() const { return _timecode_frames_per_hour; }
457 MIDI::byte get_mtc_timecode_bits() const {
458 return mtc_timecode_bits; /* encoding of SMTPE type for MTC */
461 double timecode_frames_per_second() const;
462 bool timecode_drop_frames() const;
466 Locations *locations() { return _locations; }
468 PBD::Signal1<void,Location*> auto_loop_location_changed;
469 PBD::Signal1<void,Location*> auto_punch_location_changed;
470 PBD::Signal0<void> locations_modified;
472 void set_auto_punch_location (Location *);
473 void set_auto_loop_location (Location *);
474 void set_session_extents (framepos_t start, framepos_t end);
475 bool end_is_free () const { return _session_range_end_is_free; }
476 void set_end_is_free (bool);
477 int location_name(std::string& result, std::string base = std::string(""));
479 pframes_t get_block_size() const { return current_block_size; }
480 framecnt_t worst_output_latency () const { return _worst_output_latency; }
481 framecnt_t worst_input_latency () const { return _worst_input_latency; }
482 framecnt_t worst_track_latency () const { return _worst_track_latency; }
483 framecnt_t worst_playback_latency () const { return _worst_output_latency + _worst_track_latency; }
486 std::string new_parent_folder; /* parent folder where new session folder will be created */
487 std::string new_name; /* name of newly saved session */
488 bool switch_to; /* true if we should be working on newly saved session after save-as; false otherwise */
489 bool include_media; /* true if the newly saved session should contain references to media */
490 bool copy_media; /* true if media files (audio, media, etc) should be copied into newly saved session; false otherwise */
491 bool copy_external; /* true if external media should be consolidated into the newly saved session; false otherwise */
493 std::string final_session_folder_name; /* filled in by * Session::save_as(), provides full path to newly saved session */
495 /* emitted as we make progress. 3 arguments passed to signal
498 * 1: percentage complete measured as a fraction (0-1.0) of
499 * total data copying done.
500 * 2: number of files copied so far
501 * 3: total number of files to copy
503 * Handler should return true for save-as to continue, or false
504 * to stop (and remove all evidence of partial save-as).
506 PBD::Signal3<bool,float,int64_t,int64_t> Progress;
508 /* if save_as() returns non-zero, this string will indicate the reason why.
510 std::string failure_message;
513 int save_as (SaveAs&);
515 * @param snapshot_name name of the session (use an empty string for the current name)
516 * @param pending save a 'recovery', not full state (default: false)
517 * @param switch_to_snapshot switch to given snapshot after saving (default: false)
518 * @param template_only save a session template (default: false)
519 * @return zero on success
521 int save_state (std::string snapshot_name, bool pending = false, bool switch_to_snapshot = false, bool template_only = false);
529 int archive_session (const std::string&, const std::string&, ArchiveEncode compress_audio = FLAC_16BIT, bool only_used_sources = false, Progress* p = 0);
531 int restore_state (std::string snapshot_name);
532 int save_template (std::string template_name, bool replace_existing = false);
533 int save_history (std::string snapshot_name = "");
534 int restore_history (std::string snapshot_name);
535 void remove_state (std::string snapshot_name);
536 void rename_state (std::string old_name, std::string new_name);
537 void remove_pending_capture_state ();
538 int rename (const std::string&);
539 bool get_nsm_state () const { return _under_nsm_control; }
540 void set_nsm_state (bool state) { _under_nsm_control = state; }
541 bool save_default_options ();
543 PBD::Signal1<void,std::string> StateSaved;
544 PBD::Signal0<void> StateReady;
546 /* emitted when session needs to be saved due to some internal
547 * event or condition (i.e. not in response to a user request).
549 * Only one object should
550 * connect to this signal and take responsibility.
552 * Argument is the snapshot name to use when saving.
554 PBD::Signal1<void,std::string> SaveSessionRequested;
556 /* emitted during a session save to allow other entities to add state, via
557 * extra XML, to the session state
559 PBD::Signal0<void> SessionSaveUnderway;
561 std::vector<std::string> possible_states() const;
562 static std::vector<std::string> possible_states (std::string path);
564 XMLNode& get_state();
565 int set_state(const XMLNode& node, int version); // not idempotent
566 XMLNode& get_template();
567 bool export_track_state (boost::shared_ptr<RouteList> rl, const std::string& path);
569 /// The instant xml file is written to the session directory
570 void add_instant_xml (XMLNode&, bool write_to_config = true);
571 XMLNode* instant_xml (const std::string& str);
573 enum StateOfTheState {
578 InitialConnecting = 0x8,
584 StateOfTheState state_of_the_state() const { return _state_of_the_state; }
586 class StateProtector {
588 StateProtector (Session* s) : _session (s) {
589 g_atomic_int_inc (&s->_suspend_save);
592 if (g_atomic_int_dec_and_test (&_session->_suspend_save)) {
593 while (_session->_save_queued) {
594 _session->_save_queued = false;
595 _session->save_state ("");
603 class ProcessorChangeBlocker {
605 ProcessorChangeBlocker (Session* s, bool rc = true)
607 , _reconfigure_on_delete (rc)
609 g_atomic_int_inc (&s->_ignore_route_processor_changes);
611 ~ProcessorChangeBlocker () {
612 if (g_atomic_int_dec_and_test (&_session->_ignore_route_processor_changes)) {
613 if (_reconfigure_on_delete) {
614 _session->route_processors_changed (RouteProcessorChange ());
620 bool _reconfigure_on_delete;
623 RouteGroup* new_route_group (const std::string&);
624 void add_route_group (RouteGroup *);
625 void remove_route_group (RouteGroup* rg) { if (rg) remove_route_group (*rg); }
626 void remove_route_group (RouteGroup&);
627 void reorder_route_groups (std::list<RouteGroup*>);
629 RouteGroup* route_group_by_name (std::string);
630 RouteGroup& all_route_group() const;
632 PBD::Signal1<void,RouteGroup*> route_group_added;
633 PBD::Signal0<void> route_group_removed;
634 PBD::Signal0<void> route_groups_reordered;
636 void foreach_route_group (boost::function<void(RouteGroup*)> f) {
637 for (std::list<RouteGroup *>::iterator i = _route_groups.begin(); i != _route_groups.end(); ++i) {
642 std::list<RouteGroup*> const & route_groups () const {
643 return _route_groups;
646 /* fundamental operations. duh. */
648 std::list<boost::shared_ptr<AudioTrack> > new_audio_track (
651 RouteGroup* route_group,
653 std::string name_template,
654 PresentationInfo::order_t order,
655 TrackMode mode = Normal
658 std::list<boost::shared_ptr<MidiTrack> > new_midi_track (
659 const ChanCount& input, const ChanCount& output, bool strict_io,
660 boost::shared_ptr<PluginInfo> instrument,
661 Plugin::PresetRecord* pset,
662 RouteGroup* route_group, uint32_t how_many, std::string name_template,
663 PresentationInfo::order_t,
664 TrackMode mode = Normal
667 RouteList new_audio_route (int input_channels, int output_channels, RouteGroup* route_group, uint32_t how_many, std::string name_template, PresentationInfo::Flag, PresentationInfo::order_t);
668 RouteList new_midi_route (RouteGroup* route_group, uint32_t how_many, std::string name_template, bool strict_io, boost::shared_ptr<PluginInfo> instrument, Plugin::PresetRecord*, PresentationInfo::Flag, PresentationInfo::order_t);
670 void remove_routes (boost::shared_ptr<RouteList>);
671 void remove_route (boost::shared_ptr<Route>);
673 void resort_routes ();
674 void resort_routes_using (boost::shared_ptr<RouteList>);
676 AudioEngine & engine() { return _engine; }
677 AudioEngine const & engine () const { return _engine; }
679 static std::string default_track_name_pattern (DataType);
683 framepos_t transport_frame () const {return _transport_frame; }
684 framepos_t record_location () const {return _last_record_location; }
685 framepos_t audible_frame (bool* latent_locate = NULL) const;
686 framepos_t requested_return_frame() const { return _requested_return_frame; }
687 void set_requested_return_frame(framepos_t return_to);
701 void sync_time_vars();
703 void bbt_time (framepos_t when, Timecode::BBT_Time&);
704 void timecode_to_sample(Timecode::Time& timecode, framepos_t& sample, bool use_offset, bool use_subframes) const;
705 void sample_to_timecode(framepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes) const;
706 void timecode_time (Timecode::Time &);
707 void timecode_time (framepos_t when, Timecode::Time&);
708 void timecode_time_subframes (framepos_t when, Timecode::Time&);
710 void timecode_duration (framecnt_t, Timecode::Time&) const;
711 void timecode_duration_string (char *, size_t len, framecnt_t) const;
713 framecnt_t convert_to_frames (AnyTime const & position);
714 framecnt_t any_duration_to_frames (framepos_t position, AnyTime const & duration);
716 static PBD::Signal1<void, framepos_t> StartTimeChanged;
717 static PBD::Signal1<void, framepos_t> EndTimeChanged;
719 void request_sync_source (Slave*);
720 bool synced_to_engine() const { return _slave && config.get_external_sync() && Config->get_sync_source() == Engine; }
721 bool synced_to_mtc () const { return config.get_external_sync() && Config->get_sync_source() == MTC && g_atomic_int_get (const_cast<gint*>(&_mtc_active)); }
722 bool synced_to_ltc () const { return config.get_external_sync() && Config->get_sync_source() == LTC && g_atomic_int_get (const_cast<gint*>(&_ltc_active)); }
724 double transport_speed() const { return _count_in_samples > 0 ? 0. : _transport_speed; }
725 bool transport_stopped() const { return _transport_speed == 0.0; }
726 bool transport_rolling() const { return _transport_speed != 0.0 && _count_in_samples == 0; }
728 bool silent () { return _silent; }
730 TempoMap& tempo_map() { return *_tempo_map; }
731 const TempoMap& tempo_map() const { return *_tempo_map; }
733 unsigned int get_xrun_count () const {return _xrun_count; }
734 void reset_xrun_count () {_xrun_count = 0; }
738 boost::shared_ptr<Region> find_whole_file_parent (boost::shared_ptr<Region const>) const;
740 boost::shared_ptr<Region> XMLRegionFactory (const XMLNode&, bool full);
741 boost::shared_ptr<AudioRegion> XMLAudioRegionFactory (const XMLNode&, bool full);
742 boost::shared_ptr<MidiRegion> XMLMidiRegionFactory (const XMLNode&, bool full);
744 /* source management */
746 void import_files (ImportStatus&);
747 bool sample_rate_convert (ImportStatus&, std::string infile, std::string& outfile);
748 std::string build_tmp_convert_name (std::string file);
750 boost::shared_ptr<ExportHandler> get_export_handler ();
751 boost::shared_ptr<ExportStatus> get_export_status ();
753 int start_audio_export (framepos_t position, bool realtime = false, bool region_export = false, bool comensate_master_latency = false);
755 PBD::Signal1<int, framecnt_t> ProcessExport;
756 static PBD::Signal2<void,std::string, std::string> Exported;
758 void add_source (boost::shared_ptr<Source>);
759 void remove_source (boost::weak_ptr<Source>);
761 void cleanup_regions();
762 bool can_cleanup_peakfiles () const;
763 int cleanup_peakfiles ();
764 int cleanup_sources (CleanupReport&);
765 int cleanup_trash_sources (CleanupReport&);
767 int destroy_sources (std::list<boost::shared_ptr<Source> >);
769 int remove_last_capture ();
771 /** handlers should return 0 for "everything OK", and any other value for
772 * "cannot setup audioengine".
774 static PBD::Signal1<int,uint32_t> AudioEngineSetupRequired;
776 /** handlers should return -1 for "stop cleanup",
777 0 for "yes, delete this playlist",
778 1 for "no, don't delete this playlist".
780 static PBD::Signal1<int,boost::shared_ptr<Playlist> > AskAboutPlaylistDeletion;
782 /** handlers should return 0 for "ignore the rate mismatch",
783 !0 for "do not use this session"
785 static PBD::Signal2<int, framecnt_t, framecnt_t> AskAboutSampleRateMismatch;
787 /** non interactive message */
788 static PBD::Signal2<void, framecnt_t, framecnt_t> NotifyAboutSampleRateMismatch;
790 /** handlers should return !0 for use pending state, 0 for ignore it.
792 static PBD::Signal0<int> AskAboutPendingState;
794 boost::shared_ptr<AudioFileSource> create_audio_source_for_session (
795 size_t, std::string const &, uint32_t, bool destructive);
797 boost::shared_ptr<MidiSource> create_midi_source_for_session (std::string const &);
798 boost::shared_ptr<MidiSource> create_midi_source_by_stealing_name (boost::shared_ptr<Track>);
800 boost::shared_ptr<Source> source_by_id (const PBD::ID&);
801 boost::shared_ptr<AudioFileSource> audio_source_by_path_and_channel (const std::string&, uint16_t) const;
802 boost::shared_ptr<MidiSource> midi_source_by_path (const std::string&) const;
803 uint32_t count_sources_by_origin (const std::string&);
805 void add_playlist (boost::shared_ptr<Playlist>, bool unused = false);
807 /* Curves and AutomationLists (TODO when they go away) */
808 void add_automation_list(AutomationList*);
812 boost::shared_ptr<Auditioner> the_auditioner() { return auditioner; }
813 void audition_playlist ();
814 void audition_region (boost::shared_ptr<Region>);
815 void cancel_audition ();
816 bool is_auditioning () const;
818 PBD::Signal1<void,bool> AuditionActive;
821 void register_lua_function (const std::string&, const std::string&, const LuaScriptParamList&);
822 void unregister_lua_function (const std::string& name);
823 std::vector<std::string> registered_lua_functions ();
824 uint32_t registered_lua_function_count () const { return _n_lua_scripts; }
825 void scripts_changed (); // called from lua, updates _n_lua_scripts
827 PBD::Signal0<void> LuaScriptsChanged;
829 /* flattening stuff */
831 boost::shared_ptr<Region> write_one_track (Track&, framepos_t start, framepos_t end,
832 bool overwrite, std::vector<boost::shared_ptr<Source> >&, InterThreadInfo& wot,
833 boost::shared_ptr<Processor> endpoint,
834 bool include_endpoint, bool for_export, bool for_freeze);
835 int freeze_all (InterThreadInfo&);
837 /* session-wide solo/mute/rec-enable */
840 std::vector<boost::weak_ptr<AutomationControl> > cancel_all_mute ();
842 bool soloing() const { return _non_soloed_outs_muted; }
843 bool listening() const { return _listen_cnt > 0; }
844 bool solo_isolated() const { return _solo_isolated_cnt > 0; }
845 void cancel_all_solo ();
847 static const SessionEvent::RTeventCallback rt_cleanup;
849 void clear_all_solo_state (boost::shared_ptr<RouteList>);
851 /* Control-based methods */
853 void set_controls (boost::shared_ptr<ControlList>, double val, PBD::Controllable::GroupControlDisposition);
854 void set_control (boost::shared_ptr<AutomationControl>, double val, PBD::Controllable::GroupControlDisposition);
856 void set_exclusive_input_active (boost::shared_ptr<RouteList> rt, bool onoff, bool flip_others = false);
858 PBD::Signal1<void,bool> SoloActive;
859 PBD::Signal0<void> SoloChanged;
860 PBD::Signal0<void> MuteChanged;
861 PBD::Signal0<void> IsolatedChanged;
862 PBD::Signal0<void> MonitorChanged;
864 PBD::Signal0<void> session_routes_reconnected;
866 /* monitor/master out */
868 void add_monitor_section ();
869 void reset_monitor_section ();
870 void remove_monitor_section ();
871 bool monitor_active() const { return (_monitor_out && _monitor_out->monitor_control () && _monitor_out->monitor_control ()->monitor_active()); }
873 boost::shared_ptr<Route> monitor_out() const { return _monitor_out; }
874 boost::shared_ptr<Route> master_out() const { return _master_out; }
876 void globally_add_internal_sends (boost::shared_ptr<Route> dest, Placement p, bool);
877 void globally_set_send_gains_from_track (boost::shared_ptr<Route> dest);
878 void globally_set_send_gains_to_zero (boost::shared_ptr<Route> dest);
879 void globally_set_send_gains_to_unity (boost::shared_ptr<Route> dest);
880 void add_internal_sends (boost::shared_ptr<Route> dest, Placement p, boost::shared_ptr<RouteList> senders);
881 void add_internal_send (boost::shared_ptr<Route>, int, boost::shared_ptr<Route>);
882 void add_internal_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>, boost::shared_ptr<Route>);
884 static void set_disable_all_loaded_plugins (bool yn) {
885 _disable_all_loaded_plugins = yn;
887 static bool get_disable_all_loaded_plugins() {
888 return _disable_all_loaded_plugins;
890 static void set_bypass_all_loaded_plugins (bool yn) {
891 _bypass_all_loaded_plugins = yn;
893 static bool get_bypass_all_loaded_plugins() {
894 return _bypass_all_loaded_plugins;
897 uint32_t next_send_id();
898 uint32_t next_aux_send_id();
899 uint32_t next_return_id();
900 uint32_t next_insert_id();
901 void mark_send_id (uint32_t);
902 void mark_aux_send_id (uint32_t);
903 void mark_return_id (uint32_t);
904 void mark_insert_id (uint32_t);
905 void unmark_send_id (uint32_t);
906 void unmark_aux_send_id (uint32_t);
907 void unmark_return_id (uint32_t);
908 void unmark_insert_id (uint32_t);
910 /* s/w "RAID" management */
912 boost::optional<framecnt_t> available_capture_duration();
916 void add_bundle (boost::shared_ptr<Bundle>, bool emit_signal = true);
917 void remove_bundle (boost::shared_ptr<Bundle>);
918 boost::shared_ptr<Bundle> bundle_by_name (std::string) const;
920 PBD::Signal0<void> BundleAddedOrRemoved;
924 /* History (for editors, mixers, UIs etc.) */
926 /** Undo some transactions.
927 * @param n Number of transactions to undo.
929 void undo (uint32_t n);
930 /** Redo some transactions.
931 * @param n Number of transactions to undo.
933 void redo (uint32_t n);
935 UndoHistory& history() { return _history; }
937 uint32_t undo_depth() const { return _history.undo_depth(); }
938 uint32_t redo_depth() const { return _history.redo_depth(); }
939 std::string next_undo() const { return _history.next_undo(); }
940 std::string next_redo() const { return _history.next_redo(); }
942 /** begin collecting undo information
944 * This call must always be followed by either
945 * begin_reversible_command() or commit_reversible_command()
947 * @param cmd_name human readable name for the undo operation
949 void begin_reversible_command (const std::string& cmd_name);
950 void begin_reversible_command (GQuark);
951 /** abort an open undo command
952 * This must only be called after begin_reversible_command ()
954 void abort_reversible_command ();
955 /** finalize an undo command and commit pending transactions
957 * This must only be called after begin_reversible_command ()
958 * @param cmd (additional) command to add
960 void commit_reversible_command (Command* cmd = 0);
962 void add_command (Command *const cmd);
964 /** create an StatefulDiffCommand from the given object and add it to the stack.
966 * This function must only be called after begin_reversible_command.
967 * Failing to do so may lead to a crash.
969 * @param sfd the object to diff
970 * @returns the allocated StatefulDiffCommand (already added via add_command)
972 PBD::StatefulDiffCommand* add_stateful_diff_command (boost::shared_ptr<PBD::StatefulDestructible> sfd);
974 /** @return The list of operations that are currently in progress */
975 std::list<GQuark> const & current_operations () {
976 return _current_trans_quarks;
979 bool operation_in_progress (GQuark) const;
981 void add_commands (std::vector<Command*> const & cmds);
983 std::map<PBD::ID,PBD::StatefulDestructible*> registry;
985 // these commands are implemented in libs/ardour/session_command.cc
986 Command* memento_command_factory(XMLNode* n);
987 Command* stateful_diff_command_factory (XMLNode *);
988 void register_with_memento_command_factory(PBD::ID, PBD::StatefulDestructible*);
992 boost::shared_ptr<IO> click_io() { return _click_io; }
993 boost::shared_ptr<Amp> click_gain() { return _click_gain; }
995 /* disk, buffer loads */
997 uint32_t playback_load ();
998 uint32_t capture_load ();
1002 void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
1003 void request_cancel_play_range ();
1004 bool get_play_range () const { return _play_range; }
1006 void maybe_update_session_range (framepos_t, framepos_t);
1009 framecnt_t preroll_samples (framepos_t) const;
1011 void request_preroll_record_punch (framepos_t start, framecnt_t preroll);
1012 void request_preroll_record_trim (framepos_t start, framecnt_t preroll);
1013 void request_count_in_record ();
1015 framepos_t preroll_record_punch_pos () const { return _preroll_record_punch_pos; }
1016 bool preroll_record_punch_enabled () const { return _preroll_record_punch_pos >= 0; }
1018 framecnt_t preroll_record_trim_len () const { return _preroll_record_trim_len; }
1020 /* temporary hacks to allow selection to be pushed from GUI into backend.
1021 Whenever we move the selection object into libardour, these will go away.
1023 void set_range_selection (framepos_t start, framepos_t end);
1024 void set_object_selection (framepos_t start, framepos_t end);
1025 void clear_range_selection ();
1026 void clear_object_selection ();
1028 /* buffers for gain and pan */
1030 gain_t* gain_automation_buffer () const;
1031 gain_t* trim_automation_buffer () const;
1032 gain_t* send_gain_automation_buffer () const;
1033 pan_t** pan_automation_buffer () const;
1035 void ensure_buffer_set (BufferSet& buffers, const ChanCount& howmany);
1039 static int vst_current_loading_id;
1040 static const char* vst_can_do_strings[];
1041 static const int vst_can_do_string_count;
1043 static intptr_t vst_callback (
1052 static PBD::Signal0<void> SendFeedback;
1056 boost::shared_ptr<Speakers> get_speakers ();
1060 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
1062 boost::shared_ptr<PBD::Controllable> controllable_by_id (const PBD::ID&);
1063 boost::shared_ptr<PBD::Controllable> controllable_by_descriptor (const ARDOUR::ControllableDescriptor&);
1065 void add_controllable (boost::shared_ptr<PBD::Controllable>);
1066 void remove_controllable (PBD::Controllable*);
1068 boost::shared_ptr<PBD::Controllable> solo_cut_control() const;
1070 SessionConfiguration config;
1072 SessionConfiguration* cfg () { return &config; }
1074 bool exporting () const {
1078 bool bounce_processing() const {
1079 return _bounce_processing_active;
1082 /* this is a private enum, but setup_enum_writer() needs it,
1083 and i can't find a way to give that function
1084 friend access. sigh.
1087 enum PostTransportWork {
1088 PostTransportStop = 0x1,
1089 PostTransportDuration = 0x2,
1090 PostTransportLocate = 0x4,
1091 PostTransportRoll = 0x8,
1092 PostTransportAbort = 0x10,
1093 PostTransportOverWrite = 0x20,
1094 PostTransportSpeed = 0x40,
1095 PostTransportAudition = 0x80,
1096 PostTransportReverse = 0x100,
1097 PostTransportInputChange = 0x200,
1098 PostTransportCurveRealloc = 0x400,
1099 PostTransportClearSubstate = 0x800,
1100 PostTransportAdjustPlaybackBuffering = 0x1000,
1101 PostTransportAdjustCaptureBuffering = 0x2000
1110 SlaveState slave_state() const { return _slave_state; }
1111 Slave* slave() const { return _slave; }
1113 boost::shared_ptr<SessionPlaylists> playlists;
1115 void send_mmc_locate (framepos_t);
1116 void queue_full_time_code () { _send_timecode_update = true; }
1117 void queue_song_position_pointer () { /* currently does nothing */ }
1119 bool step_editing() const { return (_step_editors > 0); }
1121 void request_suspend_timecode_transmission ();
1122 void request_resume_timecode_transmission ();
1123 bool timecode_transmission_suspended () const;
1125 std::vector<std::string> source_search_path(DataType) const;
1126 void ensure_search_path_includes (const std::string& path, DataType type);
1127 void remove_dir_from_search_path (const std::string& path, DataType type);
1129 std::list<std::string> unknown_processors () const;
1131 /** Emitted when a feedback cycle has been detected within Ardour's signal
1132 processing path. Until it is fixed (by the user) some (unspecified)
1133 routes will not be run.
1135 static PBD::Signal0<void> FeedbackDetected;
1137 /** Emitted when a graph sort has successfully completed, which means
1138 that it has no feedback cycles.
1140 static PBD::Signal0<void> SuccessfulGraphSort;
1142 /* handlers can return an integer value:
1143 0: config.set_audio_search_path() or config.set_midi_search_path() was used
1144 to modify the search path and we should try to find it again.
1145 1: quit entire session load
1146 2: as 0, but don't ask about other missing files
1147 3: don't ask about other missing files, and just mark this one missing
1148 -1: just mark this one missing
1149 any other value: as -1
1151 static PBD::Signal3<int,Session*,std::string,DataType> MissingFile;
1153 void set_missing_file_replacement (const std::string& mfr) {
1154 _missing_file_replacement = mfr;
1157 /** Emitted when the session wants Ardour to quit */
1158 static PBD::Signal0<void> Quit;
1160 /** Emitted when Ardour is asked to load a session in an older session
1161 * format, and makes a backup copy.
1163 static PBD::Signal2<void,std::string,std::string> VersionMismatch;
1165 SceneChanger* scene_changer() const { return _scene_changer; }
1167 /* asynchronous MIDI control ports */
1169 boost::shared_ptr<Port> midi_input_port () const;
1170 boost::shared_ptr<Port> midi_output_port () const;
1171 boost::shared_ptr<Port> mmc_output_port () const;
1172 boost::shared_ptr<Port> mmc_input_port () const;
1173 boost::shared_ptr<Port> scene_input_port () const;
1174 boost::shared_ptr<Port> scene_output_port () const;
1176 /* synchronous MIDI ports used for synchronization */
1178 boost::shared_ptr<MidiPort> midi_clock_output_port () const;
1179 boost::shared_ptr<MidiPort> midi_clock_input_port () const;
1180 boost::shared_ptr<MidiPort> mtc_output_port () const;
1181 boost::shared_ptr<MidiPort> mtc_input_port () const;
1182 boost::shared_ptr<Port> ltc_input_port() const;
1183 boost::shared_ptr<Port> ltc_output_port() const;
1185 boost::shared_ptr<IO> ltc_input_io() { return _ltc_input; }
1186 boost::shared_ptr<IO> ltc_output_io() { return _ltc_output; }
1188 MIDI::MachineControl& mmc() { return *_mmc; }
1190 void reconnect_midi_scene_ports (bool);
1191 void reconnect_mtc_ports ();
1192 void reconnect_mmc_ports (bool);
1194 void reconnect_ltc_input ();
1195 void reconnect_ltc_output ();
1197 VCAManager& vca_manager() { return *_vca_manager; }
1199 void auto_connect_thread_wakeup ();
1203 friend class AudioEngine;
1204 void set_block_size (pframes_t nframes);
1205 void set_frame_rate (framecnt_t nframes);
1206 #ifdef USE_TRACKS_CODE_FEATURES
1207 void reconnect_existing_routes (bool withLock, bool reconnect_master = true, bool reconnect_inputs = true, bool reconnect_outputs = true);
1212 void schedule_curve_reallocation ();
1213 void update_latency_compensation (bool force = false);
1216 int create (const std::string& mix_template, BusProfile*);
1219 static guint _name_id_counter;
1220 static void init_name_id_counter (guint n);
1221 static unsigned int name_id_counter ();
1223 /* stuff used in process() should be close together to
1227 typedef void (Session::*process_function_type)(pframes_t);
1229 AudioEngine& _engine;
1230 mutable gint processing_prohibited;
1231 process_function_type process_function;
1232 process_function_type last_process_function;
1233 bool _bounce_processing_active;
1234 bool waiting_for_sync_offset;
1235 framecnt_t _base_frame_rate; // sample-rate of the session at creation time, "native" SR
1236 framecnt_t _nominal_frame_rate; // overridden by audioengine setting
1237 framecnt_t _current_frame_rate; // this includes video pullup offset
1238 int transport_sub_state;
1239 mutable gint _record_status;
1240 framepos_t _transport_frame;
1241 Location* _session_range_location; ///< session range, or 0 if there is nothing in the session yet
1242 bool _session_range_end_is_free;
1246 // varispeed playback
1247 double _transport_speed;
1248 double _default_transport_speed;
1249 double _last_transport_speed;
1250 double _signalled_varispeed;
1251 double _target_transport_speed;
1252 CubicInterpolation interpolation;
1254 bool auto_play_legal;
1255 framepos_t _last_slave_transport_frame;
1256 framecnt_t maximum_output_latency;
1257 framepos_t _requested_return_frame;
1258 pframes_t current_block_size;
1259 framecnt_t _worst_output_latency;
1260 framecnt_t _worst_input_latency;
1261 framecnt_t _worst_track_latency;
1262 bool _have_captured;
1263 bool _non_soloed_outs_muted;
1265 uint32_t _listen_cnt;
1266 uint32_t _solo_isolated_cnt;
1269 bool _under_nsm_control;
1270 unsigned int _xrun_count;
1272 std::string _missing_file_replacement;
1274 void mtc_status_changed (bool);
1275 PBD::ScopedConnection mtc_status_connection;
1276 void ltc_status_changed (bool);
1277 PBD::ScopedConnection ltc_status_connection;
1279 void initialize_latencies ();
1280 void set_worst_io_latencies ();
1281 void set_worst_playback_latency ();
1282 void set_worst_capture_latency ();
1283 void set_worst_io_latencies_x (IOChange, void *) {
1284 set_worst_io_latencies ();
1286 void post_capture_latency ();
1287 void post_playback_latency ();
1289 void update_latency_compensation_proxy (void* ignored);
1291 void ensure_buffers (ChanCount howmany = ChanCount::ZERO);
1293 void process_scrub (pframes_t);
1294 void process_without_events (pframes_t);
1295 void process_with_events (pframes_t);
1296 void process_audition (pframes_t);
1297 void process_export (pframes_t);
1298 void process_export_fw (pframes_t);
1300 void block_processing() { g_atomic_int_set (&processing_prohibited, 1); }
1301 void unblock_processing() { g_atomic_int_set (&processing_prohibited, 0); }
1302 bool processing_blocked() const { return g_atomic_int_get (&processing_prohibited); }
1304 static const framecnt_t bounce_chunk_size;
1306 /* slave tracking */
1308 static const int delta_accumulator_size = 25;
1309 int delta_accumulator_cnt;
1310 int32_t delta_accumulator[delta_accumulator_size];
1311 int32_t average_slave_delta;
1313 bool have_first_delta_accumulator;
1315 SlaveState _slave_state;
1318 framepos_t slave_wait_end;
1320 void reset_slave_state ();
1321 bool follow_slave (pframes_t);
1322 void calculate_moving_average_of_slave_delta (int dir, framecnt_t this_delta);
1323 void track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta);
1324 void follow_slave_silently (pframes_t nframes, float slave_speed);
1326 void switch_to_sync_source (SyncSource); /* !RT context */
1327 void drop_sync_source (); /* !RT context */
1328 void use_sync_source (Slave*); /* RT context */
1330 bool post_export_sync;
1331 framepos_t post_export_position;
1334 bool _export_rolling;
1335 bool _realtime_export;
1336 bool _region_export;
1337 framepos_t _export_preroll;
1338 framepos_t _export_latency;
1340 boost::shared_ptr<ExportHandler> export_handler;
1341 boost::shared_ptr<ExportStatus> export_status;
1344 int stop_audio_export ();
1345 void finalize_audio_export ();
1346 void finalize_export_internal (bool stop_freewheel);
1347 bool _pre_export_mmc_enabled;
1349 PBD::ScopedConnection export_freewheel_connection;
1351 void get_track_statistics ();
1352 int process_routes (pframes_t, bool& need_butler);
1353 int silent_process_routes (pframes_t, bool& need_butler);
1355 /** @return 1 if there is a pending declick fade-in,
1356 -1 if there is a pending declick fade-out,
1357 0 if there is no pending declick.
1359 int get_transport_declick_required () {
1360 if (transport_sub_state & PendingDeclickIn) {
1361 transport_sub_state &= ~PendingDeclickIn;
1363 } else if (transport_sub_state & PendingDeclickOut) {
1364 /* XXX: not entirely sure why we don't clear this */
1366 } else if (transport_sub_state & PendingLoopDeclickOut) {
1367 /* Return the declick out first ... */
1368 transport_sub_state &= ~PendingLoopDeclickOut;
1370 } else if (transport_sub_state & PendingLoopDeclickIn) {
1371 /* ... then the declick in on the next call */
1372 transport_sub_state &= ~PendingLoopDeclickIn;
1379 bool maybe_stop (framepos_t limit);
1380 bool maybe_sync_start (pframes_t &);
1382 void check_declick_out ();
1388 /** Number of process frames since the last MTC output (when sending MTC); used to
1389 * know when to send full MTC messages every so often.
1391 pframes_t _pframes_since_last_mtc;
1394 framepos_t last_loopend;
1396 boost::scoped_ptr<SessionDirectory> _session_dir;
1399 void graph_reordered ();
1401 /** current snapshot name, without the .ardour suffix */
1402 void set_snapshot_name (const std::string &);
1403 void save_snapshot_name (const std::string &);
1404 std::string _current_snapshot_name;
1406 XMLTree* state_tree;
1407 bool state_was_pending;
1408 StateOfTheState _state_of_the_state;
1410 friend class StateProtector;
1411 gint _suspend_save; /* atomic */
1412 volatile bool _save_queued;
1413 Glib::Threads::Mutex save_state_lock;
1414 Glib::Threads::Mutex peak_cleanup_lock;
1416 int load_options (const XMLNode&);
1417 int load_state (std::string snapshot_name);
1419 framepos_t _last_roll_location;
1420 /** the session frame time at which we last rolled, located, or changed transport direction */
1421 framepos_t _last_roll_or_reversal_location;
1422 framepos_t _last_record_location;
1424 bool pending_locate_roll;
1425 framepos_t pending_locate_frame;
1426 bool pending_locate_flush;
1428 bool pending_auto_loop;
1430 PBD::ReallocPool _mempool;
1432 Glib::Threads::Mutex lua_lock;
1433 luabridge::LuaRef * _lua_run;
1434 luabridge::LuaRef * _lua_add;
1435 luabridge::LuaRef * _lua_del;
1436 luabridge::LuaRef * _lua_list;
1437 luabridge::LuaRef * _lua_load;
1438 luabridge::LuaRef * _lua_save;
1439 luabridge::LuaRef * _lua_cleanup;
1440 uint32_t _n_lua_scripts;
1443 void try_run_lua (pframes_t);
1447 static const PostTransportWork ProcessCannotProceedMask =
1449 PostTransportInputChange|
1450 PostTransportReverse|
1451 PostTransportCurveRealloc|
1452 PostTransportAudition|
1453 PostTransportLocate|
1455 PostTransportClearSubstate);
1457 gint _post_transport_work; /* accessed only atomic ops */
1458 PostTransportWork post_transport_work() const { return (PostTransportWork) g_atomic_int_get (const_cast<gint*>(&_post_transport_work)); }
1459 void set_post_transport_work (PostTransportWork ptw) { g_atomic_int_set (&_post_transport_work, (gint) ptw); }
1460 void add_post_transport_work (PostTransportWork ptw);
1462 void schedule_playback_buffering_adjustment ();
1463 void schedule_capture_buffering_adjustment ();
1465 uint32_t cumulative_rf_motion;
1468 void set_rf_speed (float speed);
1469 void reset_rf_scale (framecnt_t frames_moved);
1471 Locations* _locations;
1472 void location_added (Location*);
1473 void location_removed (Location*);
1474 void locations_changed ();
1475 void _locations_changed (const Locations::LocationList&);
1477 void update_skips (Location*, bool consolidate);
1478 void update_marks (Location* loc);
1479 void consolidate_skips (Location*);
1480 void sync_locations_to_skips ();
1481 void _sync_locations_to_skips ();
1483 PBD::ScopedConnectionList skip_update_connections;
1484 bool _ignore_skips_updates;
1486 PBD::ScopedConnectionList punch_connections;
1487 void auto_punch_start_changed (Location *);
1488 void auto_punch_end_changed (Location *);
1489 void auto_punch_changed (Location *);
1491 PBD::ScopedConnectionList loop_connections;
1492 void auto_loop_changed (Location *);
1493 void auto_loop_declick_range (Location *, framepos_t &, framepos_t &);
1495 int ensure_engine (uint32_t desired_sample_rate, bool);
1496 void pre_engine_init (std::string path);
1497 int post_engine_init ();
1498 int immediately_post_engine ();
1499 void remove_empty_sounds ();
1501 void session_loaded ();
1503 void setup_midi_control ();
1504 int midi_read (MIDI::Port *);
1506 void enable_record ();
1508 void increment_transport_position (framecnt_t val) {
1509 if (max_framepos - val < _transport_frame) {
1510 _transport_frame = max_framepos;
1512 _transport_frame += val;
1516 void decrement_transport_position (framecnt_t val) {
1517 if (val < _transport_frame) {
1518 _transport_frame -= val;
1520 _transport_frame = 0;
1524 void post_transport_motion ();
1525 static void *session_loader_thread (void *arg);
1529 /* Signal Forwarding */
1530 void emit_route_signals ();
1531 void emit_thread_run ();
1532 static void *emit_thread (void *);
1533 void emit_thread_start ();
1534 void emit_thread_terminate ();
1536 pthread_t _rt_emit_thread;
1537 bool _rt_thread_active;
1539 pthread_mutex_t _rt_emit_mutex;
1540 pthread_cond_t _rt_emit_cond;
1541 bool _rt_emit_pending;
1543 /* Auto Connect Thread */
1544 static void *auto_connect_thread (void *);
1545 void auto_connect_thread_run ();
1546 void auto_connect_thread_start ();
1547 void auto_connect_thread_terminate ();
1549 pthread_t _auto_connect_thread;
1550 gint _ac_thread_active;
1551 pthread_mutex_t _auto_connect_mutex;
1552 pthread_cond_t _auto_connect_cond;
1554 struct AutoConnectRequest {
1556 AutoConnectRequest (boost::shared_ptr <Route> r, bool ci,
1557 const ChanCount& is,
1558 const ChanCount& os,
1559 const ChanCount& io,
1560 const ChanCount& oo)
1561 : route (boost::weak_ptr<Route> (r))
1562 , connect_inputs (ci)
1566 , output_offset (oo)
1569 boost::weak_ptr <Route> route;
1570 bool connect_inputs;
1571 ChanCount input_start;
1572 ChanCount output_start;
1573 ChanCount input_offset;
1574 ChanCount output_offset;
1577 typedef std::queue<AutoConnectRequest> AutoConnectQueue;
1578 Glib::Threads::Mutex _auto_connect_queue_lock;
1579 AutoConnectQueue _auto_connect_queue;
1580 guint _latency_recompute_pending;
1582 void get_physical_ports (std::vector<std::string>& inputs, std::vector<std::string>& outputs, DataType type,
1583 MidiPortFlags include = MidiPortFlags (0),
1584 MidiPortFlags exclude = MidiPortFlags (0));
1586 void auto_connect (const AutoConnectRequest&);
1587 void queue_latency_recompute ();
1589 /* SessionEventManager interface */
1591 void process_event (SessionEvent*);
1592 void set_next_event ();
1593 void cleanup_event (SessionEvent*,int);
1595 /* MIDI Machine Control */
1598 void spp_continue ();
1601 void mmc_deferred_play (MIDI::MachineControl &);
1602 void mmc_stop (MIDI::MachineControl &);
1603 void mmc_step (MIDI::MachineControl &, int);
1604 void mmc_pause (MIDI::MachineControl &);
1605 void mmc_record_pause (MIDI::MachineControl &);
1606 void mmc_record_strobe (MIDI::MachineControl &);
1607 void mmc_record_exit (MIDI::MachineControl &);
1608 void mmc_track_record_status (MIDI::MachineControl &, uint32_t track, bool enabled);
1609 void mmc_fast_forward (MIDI::MachineControl &);
1610 void mmc_rewind (MIDI::MachineControl &);
1611 void mmc_locate (MIDI::MachineControl &, const MIDI::byte *);
1612 void mmc_shuttle (MIDI::MachineControl &mmc, float speed, bool forw);
1613 void mmc_record_enable (MIDI::MachineControl &mmc, size_t track, bool enabled);
1615 struct timeval last_mmc_step;
1618 typedef boost::function<bool()> MidiTimeoutCallback;
1619 typedef std::list<MidiTimeoutCallback> MidiTimeoutList;
1621 MidiTimeoutList midi_timeouts;
1622 bool mmc_step_timeout ();
1623 void send_immediate_mmc (MIDI::MachineControlCommand);
1625 MIDI::byte mtc_msg[16];
1626 MIDI::byte mtc_timecode_bits; /* encoding of SMTPE type for MTC */
1627 MIDI::byte midi_msg[16];
1628 double outbound_mtc_timecode_frame;
1629 Timecode::Time transmitting_timecode_time;
1630 int next_quarter_frame_to_send;
1632 double _samples_per_timecode_frame; /* has to be floating point because of drop frame */
1633 framecnt_t _frames_per_hour;
1634 framecnt_t _timecode_frames_per_hour;
1636 /* cache the most-recently requested time conversions. This helps when we
1637 * have multiple clocks showing the same time (e.g. the transport frame) */
1638 bool last_timecode_valid;
1639 framepos_t last_timecode_when;
1640 Timecode::Time last_timecode;
1642 bool _send_timecode_update; ///< Flag to send a full frame (Timecode) MTC message this cycle
1644 int send_midi_time_code_for_cycle (framepos_t, framepos_t, pframes_t nframes);
1646 LTCEncoder* ltc_encoder;
1647 ltcsnd_sample_t* ltc_enc_buf;
1649 Timecode::TimecodeFormat ltc_enc_tcformat;
1650 int32_t ltc_buf_off;
1651 int32_t ltc_buf_len;
1654 int32_t ltc_enc_byte;
1655 framepos_t ltc_enc_pos;
1657 framepos_t ltc_enc_off;
1659 framepos_t ltc_prev_cycle;
1661 framepos_t ltc_timecode_offset;
1662 bool ltc_timecode_negative_offset;
1664 LatencyRange ltc_out_latency;
1666 void ltc_tx_initialize();
1667 void ltc_tx_cleanup();
1668 void ltc_tx_reset();
1669 void ltc_tx_resync_latency();
1670 void ltc_tx_recalculate_position();
1671 void ltc_tx_parse_offset();
1672 void ltc_tx_send_time_code_for_cycle (framepos_t, framepos_t, double, double, pframes_t nframes);
1674 void reset_record_status ();
1676 int no_roll (pframes_t nframes);
1677 int fail_roll (pframes_t nframes);
1679 bool non_realtime_work_pending() const { return static_cast<bool>(post_transport_work()); }
1680 bool process_can_proceed() const { return !(post_transport_work() & ProcessCannotProceedMask); }
1682 MidiControlUI* midi_control_ui;
1684 int start_midi_thread ();
1686 void set_play_loop (bool yn, double speed);
1687 void unset_play_loop ();
1688 void overwrite_some_buffers (Track *);
1689 void flush_all_inserts ();
1690 int micro_locate (framecnt_t distance);
1691 void locate (framepos_t, bool with_roll, bool with_flush, bool with_loop=false, bool force=false, bool with_mmc=true);
1692 void start_locate (framepos_t, bool with_roll, bool with_flush, bool for_loop_enabled=false, bool force=false);
1693 void force_locate (framepos_t frame, bool with_roll = false);
1694 void set_track_speed (Track *, double speed);
1695 void set_transport_speed (double speed, framepos_t destination_frame, bool abort = false, bool clear_state = false, bool as_default = false);
1696 void stop_transport (bool abort = false, bool clear_state = false);
1697 void start_transport ();
1698 void realtime_stop (bool abort, bool clear_state);
1699 void realtime_locate ();
1700 void non_realtime_start_scrub ();
1701 void non_realtime_set_speed ();
1702 void non_realtime_locate ();
1703 void non_realtime_stop (bool abort, int entry_request_count, bool& finished);
1704 void non_realtime_overwrite (int entry_request_count, bool& finished);
1705 void post_transport ();
1706 void engine_halted ();
1707 void xrun_recovery ();
1708 void set_track_loop (bool);
1709 bool select_playhead_priority_target (framepos_t&);
1710 void follow_playhead_priority ();
1712 /* These are synchronous and so can only be called from within the process
1716 int send_full_time_code (framepos_t, pframes_t nframes);
1717 void send_song_position_pointer (framepos_t);
1719 TempoMap *_tempo_map;
1720 void tempo_map_changed (const PBD::PropertyChange&);
1722 /* edit/mix groups */
1724 int load_route_groups (const XMLNode&, int);
1726 std::list<RouteGroup *> _route_groups;
1727 RouteGroup* _all_route_group;
1731 boost::shared_ptr<Graph> _process_graph;
1733 SerializedRCUManager<RouteList> routes;
1735 void add_routes (RouteList&, bool input_auto_connect, bool output_auto_connect, bool save, PresentationInfo::order_t);
1736 void add_routes_inner (RouteList&, bool input_auto_connect, bool output_auto_connect, PresentationInfo::order_t);
1737 bool _adding_routes_in_progress;
1738 bool _reconnecting_routes_in_progress;
1739 bool _route_deletion_in_progress;
1741 uint32_t destructive_index;
1743 boost::shared_ptr<Route> XMLRouteFactory (const XMLNode&, int);
1744 boost::shared_ptr<Route> XMLRouteFactory_2X (const XMLNode&, int);
1746 void route_processors_changed (RouteProcessorChange);
1748 bool find_route_name (std::string const &, uint32_t& id, std::string& name, bool);
1749 void count_existing_track_channels (ChanCount& in, ChanCount& out);
1750 void auto_connect_route (boost::shared_ptr<Route>, bool, const ChanCount&, const ChanCount&, const ChanCount& io = ChanCount(), const ChanCount& oo = ChanCount());
1751 void midi_output_change_handler (IOChange change, void* /*src*/, boost::weak_ptr<Route> midi_track);
1753 /* track numbering */
1755 void reassign_track_numbers ();
1756 uint32_t _track_number_decimals;
1758 /* solo/mute/notifications */
1760 void route_listen_changed (PBD::Controllable::GroupControlDisposition, boost::weak_ptr<Route>);
1761 void route_mute_changed ();
1762 void route_solo_changed (bool self_solo_change, PBD::Controllable::GroupControlDisposition group_override, boost::weak_ptr<Route>);
1763 void route_solo_isolated_changed (boost::weak_ptr<Route>);
1765 void update_route_solo_state (boost::shared_ptr<RouteList> r = boost::shared_ptr<RouteList>());
1767 void listen_position_changed ();
1768 void solo_control_mode_changed ();
1770 /* REGION MANAGEMENT */
1772 mutable Glib::Threads::Mutex region_lock;
1774 int load_regions (const XMLNode& node);
1775 int load_compounds (const XMLNode& node);
1777 void route_added_to_route_group (RouteGroup *, boost::weak_ptr<Route>);
1778 void route_removed_from_route_group (RouteGroup *, boost::weak_ptr<Route>);
1779 void route_group_property_changed (RouteGroup *);
1783 mutable Glib::Threads::Mutex source_lock;
1786 typedef std::map<PBD::ID,boost::shared_ptr<Source> > SourceMap;
1789 void reset_write_sources (bool mark_write_complete, bool force = false);
1794 int load_sources (const XMLNode& node);
1795 XMLNode& get_sources_as_xml ();
1797 boost::shared_ptr<Source> XMLSourceFactory (const XMLNode&);
1801 void remove_playlist (boost::weak_ptr<Playlist>);
1802 void track_playlist_changed (boost::weak_ptr<Track>);
1803 void playlist_region_added (boost::weak_ptr<Region>);
1804 void playlist_ranges_moved (std::list<Evoral::RangeMove<framepos_t> > const &);
1805 void playlist_regions_extended (std::list<Evoral::Range<framepos_t> > const &);
1807 /* CURVES and AUTOMATION LISTS */
1808 std::map<PBD::ID, AutomationList*> automation_lists;
1810 /* DEFAULT FADE CURVES */
1812 float default_fade_steepness;
1813 float default_fade_msecs;
1817 boost::shared_ptr<Auditioner> auditioner;
1818 void set_audition (boost::shared_ptr<Region>);
1819 void non_realtime_set_audition ();
1820 boost::shared_ptr<Region> pending_audition_region;
1826 int flatten_one_track (AudioTrack&, framepos_t start, framecnt_t cnt);
1828 /* INSERT AND SEND MANAGEMENT */
1830 boost::dynamic_bitset<uint32_t> send_bitset;
1831 boost::dynamic_bitset<uint32_t> aux_send_bitset;
1832 boost::dynamic_bitset<uint32_t> return_bitset;
1833 boost::dynamic_bitset<uint32_t> insert_bitset;
1837 struct space_and_path {
1838 uint32_t blocks; ///< 4kB blocks
1839 bool blocks_unknown; ///< true if blocks is unknown
1844 , blocks_unknown (true)
1848 struct space_and_path_ascending_cmp {
1849 bool operator() (space_and_path a, space_and_path b) {
1850 if (a.blocks_unknown != b.blocks_unknown) {
1851 return !a.blocks_unknown;
1853 return a.blocks > b.blocks;
1857 void setup_raid_path (std::string path);
1859 std::vector<space_and_path> session_dirs;
1860 std::vector<space_and_path>::iterator last_rr_session_dir;
1861 uint32_t _total_free_4k_blocks;
1862 /** If this is true, _total_free_4k_blocks is not definite,
1863 as one or more of the session directories' filesystems
1864 could not report free space.
1866 bool _total_free_4k_blocks_uncertain;
1867 Glib::Threads::Mutex space_lock;
1869 bool no_questions_about_missing_files;
1871 std::string get_best_session_directory_for_new_audio ();
1873 mutable gint _playback_load;
1874 mutable gint _capture_load;
1878 SerializedRCUManager<BundleList> _bundles;
1879 XMLNode* _bundle_xml_node;
1880 int load_bundles (XMLNode const &);
1882 UndoHistory _history;
1883 /** current undo transaction, or 0 */
1884 UndoTransaction* _current_trans;
1885 /** GQuarks to describe the reversible commands that are currently in progress.
1886 * These may be nested, in which case more recently-started commands are toward
1887 * the front of the list.
1889 std::list<GQuark> _current_trans_quarks;
1891 int backend_sync_callback (TransportState, framepos_t);
1893 void process_rtop (SessionEvent*);
1895 void update_latency (bool playback);
1897 XMLNode& state(bool);
1900 typedef std::list<Click*> Clicks;
1903 bool _click_rec_only;
1904 boost::shared_ptr<IO> _click_io;
1905 boost::shared_ptr<Amp> _click_gain;
1907 Sample* click_emphasis_data;
1908 framecnt_t click_length;
1909 framecnt_t click_emphasis_length;
1910 mutable Glib::Threads::RWLock click_lock;
1912 static const Sample default_click[];
1913 static const framecnt_t default_click_length;
1914 static const Sample default_click_emphasis[];
1915 static const framecnt_t default_click_emphasis_length;
1918 framepos_t _clicks_cleared;
1919 void setup_click_sounds (int which);
1920 void setup_click_sounds (Sample**, Sample const *, framecnt_t*, framecnt_t, std::string const &);
1921 void clear_clicks ();
1922 void click (framepos_t start, framecnt_t nframes);
1923 void run_click (framepos_t start, framecnt_t nframes);
1924 void add_click (framepos_t pos, bool emphasis);
1925 framecnt_t _count_in_samples;
1927 std::vector<Route*> master_outs;
1929 /* range playback */
1931 std::list<AudioRange> current_audio_range;
1933 void set_play_range (std::list<AudioRange>&, bool leave_rolling);
1934 void unset_play_range ();
1936 /* temporary hacks to allow selection to be pushed from GUI into backend
1937 Whenever we move the selection object into libardour, these will go away.
1939 Evoral::Range<framepos_t> _range_selection;
1940 Evoral::Range<framepos_t> _object_selection;
1942 void unset_preroll_record_punch ();
1943 void unset_preroll_record_trim ();
1945 framepos_t _preroll_record_punch_pos;
1946 framecnt_t _preroll_record_trim_len;
1947 bool _count_in_once;
1952 boost::shared_ptr<Route> _master_out;
1953 boost::shared_ptr<Route> _monitor_out;
1955 void auto_connect_master_bus ();
1957 int find_all_sources (std::string path, std::set<std::string>& result);
1958 int find_all_sources_across_snapshots (std::set<std::string>& result, bool exclude_this_snapshot);
1960 typedef std::set<boost::shared_ptr<PBD::Controllable> > Controllables;
1961 Glib::Threads::Mutex controllables_lock;
1962 Controllables controllables;
1964 boost::shared_ptr<PBD::Controllable> _solo_cut_control;
1966 void reset_native_file_format();
1967 bool first_file_data_format_reset;
1968 bool first_file_header_format_reset;
1970 void config_changed (std::string, bool);
1972 XMLNode& get_control_protocol_state ();
1974 void set_history_depth (uint32_t depth);
1976 static bool _disable_all_loaded_plugins;
1977 static bool _bypass_all_loaded_plugins;
1979 mutable bool have_looped; ///< Used in ::audible_frame(*)
1981 void update_route_record_state ();
1982 gint _have_rec_enabled_track;
1983 gint _have_rec_disabled_track;
1985 static int ask_about_playlist_deletion (boost::shared_ptr<Playlist>);
1987 /* realtime "apply to set of routes" operations */
1988 template<typename T> SessionEvent*
1989 get_rt_event (boost::shared_ptr<RouteList> rl, T targ, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
1990 void (Session::*method) (boost::shared_ptr<RouteList>, T, PBD::Controllable::GroupControlDisposition)) {
1991 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
1992 ev->rt_slot = boost::bind (method, this, rl, targ, group_override);
1993 ev->rt_return = after;
1994 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
1999 /* specialized version realtime "apply to set of routes" operations */
2000 template<typename T1, typename T2> SessionEvent*
2001 get_rt_event (boost::shared_ptr<RouteList> rl, T1 t1arg, T2 t2arg, SessionEvent::RTeventCallback after, PBD::Controllable::GroupControlDisposition group_override,
2002 void (Session::*method) (boost::shared_ptr<RouteList>, T1, T2, PBD::Controllable::GroupControlDisposition)) {
2003 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2004 ev->rt_slot = boost::bind (method, this, rl, t1arg, t2arg, group_override);
2005 ev->rt_return = after;
2006 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2011 /* specialized version realtime "apply to set of controls" operations */
2012 SessionEvent* get_rt_event (boost::shared_ptr<ControlList> cl, double arg, PBD::Controllable::GroupControlDisposition group_override) {
2013 SessionEvent* ev = new SessionEvent (SessionEvent::RealTimeOperation, SessionEvent::Add, SessionEvent::Immediate, 0, 0.0);
2014 ev->rt_slot = boost::bind (&Session::rt_set_controls, this, cl, arg, group_override);
2015 ev->rt_return = Session::rt_cleanup;
2016 ev->event_loop = PBD::EventLoop::get_event_loop_for_thread ();
2021 void rt_set_controls (boost::shared_ptr<ControlList>, double val, PBD::Controllable::GroupControlDisposition group_override);
2022 void rt_clear_all_solo_state (boost::shared_ptr<RouteList>, bool yn, PBD::Controllable::GroupControlDisposition group_override);
2024 /** temporary list of Diskstreams used only during load of 2.X sessions */
2025 std::list<boost::shared_ptr<Diskstream> > _diskstreams_2X;
2027 void set_session_range_location (framepos_t, framepos_t);
2029 void setup_midi_machine_control ();
2031 void step_edit_status_change (bool);
2032 uint32_t _step_editors;
2034 /** true if timecode transmission by the transport is suspended, otherwise false */
2035 mutable gint _suspend_timecode_transmission;
2037 void update_locations_after_tempo_map_change (const Locations::LocationList &);
2039 void start_time_changed (framepos_t);
2040 void end_time_changed (framepos_t);
2042 void set_track_monitor_input_status (bool);
2043 framepos_t compute_stop_limit () const;
2045 boost::shared_ptr<Speakers> _speakers;
2046 void load_nested_sources (const XMLNode& node);
2048 /** The directed graph of routes that is currently being used for audio processing
2049 and solo/mute computations.
2051 GraphEdges _current_route_graph;
2053 void ensure_route_presentation_info_gap (PresentationInfo::order_t, uint32_t gap_size);
2055 friend class ProcessorChangeBlocker;
2056 gint _ignore_route_processor_changes; /* atomic */
2058 MidiClockTicker* midi_clock;
2060 boost::shared_ptr<IO> _ltc_input;
2061 boost::shared_ptr<IO> _ltc_output;
2063 /* Scene Changing */
2064 SceneChanger* _scene_changer;
2066 /* persistent, non-track related MIDI ports */
2067 MidiPortManager* _midi_ports;
2068 MIDI::MachineControl* _mmc;
2071 void setup_click ();
2072 void setup_click_state (const XMLNode*);
2073 void setup_bundles ();
2075 void save_as_bring_callback (uint32_t, uint32_t, std::string);
2077 static const uint32_t session_end_shift;
2079 std::string _template_state_dir;
2081 VCAManager* _vca_manager;
2083 boost::shared_ptr<Route> get_midi_nth_route_by_id (PresentationInfo::order_t n) const;
2085 std::string created_with;
2087 void midi_track_presentation_info_changed (PBD::PropertyChange const &, boost::weak_ptr<MidiTrack>);
2088 void rewire_selected_midi (boost::shared_ptr<MidiTrack>);
2089 void rewire_midi_selection_ports ();
2090 boost::weak_ptr<MidiTrack> current_midi_target;
2094 } // namespace ARDOUR
2096 #endif /* __ardour_session_h__ */