2 Copyright (C) 2000-2002 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_route_h__
21 #define __ardour_route_h__
30 #include <boost/shared_ptr.hpp>
31 #include <boost/weak_ptr.hpp>
32 #include <boost/dynamic_bitset.hpp>
33 #include <boost/enable_shared_from_this.hpp>
35 #include <glibmm/threads.h>
36 #include "pbd/fastlog.h"
37 #include "pbd/xml++.h"
39 #include "pbd/stateful.h"
40 #include "pbd/controllable.h"
41 #include "pbd/destructible.h"
43 #include "ardour/ardour.h"
44 #include "ardour/gain_control.h"
45 #include "ardour/instrument_info.h"
46 #include "ardour/io.h"
47 #include "ardour/libardour_visibility.h"
48 #include "ardour/types.h"
49 #include "ardour/mute_master.h"
50 #include "ardour/route_group_member.h"
51 #include "ardour/graphnode.h"
52 #include "ardour/automatable.h"
53 #include "ardour/unknown_processor.h"
68 class MonitorProcessor;
70 class CapturingProcessor;
73 class LIBARDOUR_API Route : public SessionObject, public Automatable, public RouteGroupMember, public GraphNode, public boost::enable_shared_from_this<Route>
77 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
85 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
90 boost::shared_ptr<IO> input() const { return _input; }
91 boost::shared_ptr<IO> output() const { return _output; }
93 ChanCount n_inputs() const { return _input->n_ports(); }
94 ChanCount n_outputs() const { return _output->n_ports(); }
96 bool active() const { return _active; }
97 void set_active (bool yn, void *);
99 static std::string ensure_track_or_route_name(std::string, Session &);
101 std::string comment() { return _comment; }
102 void set_comment (std::string str, void *src);
104 bool set_name (const std::string& str);
105 static void set_name_in_state (XMLNode &, const std::string &, bool rename_playlist = true);
107 uint32_t order_key () const;
108 bool has_order_key () const;
109 void set_order_key (uint32_t);
111 bool is_auditioner() const { return _flags & Auditioner; }
112 bool is_master() const { return _flags & MasterOut; }
113 bool is_monitor() const { return _flags & MonitorOut; }
115 virtual MonitorState monitoring_state () const;
116 virtual MeterState metering_state () const;
118 /* these are the core of the API of a Route. see the protected sections as well */
120 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
121 int declick, bool& need_butler);
123 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
124 bool state_changing);
126 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
129 virtual bool can_record() { return false; }
131 virtual void set_record_enabled (bool /*yn*/, PBD::Controllable::GroupControlDisposition) {}
132 virtual bool record_enabled() const { return false; }
133 virtual void set_record_safe (bool /*yn*/, PBD::Controllable::GroupControlDisposition) {}
134 virtual bool record_safe () const {return false; }
135 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
136 virtual void realtime_handle_transport_stopped () {}
137 virtual void realtime_locate () {}
138 virtual void non_realtime_locate (framepos_t);
139 virtual void set_pending_declick (int);
141 /* end of vfunc-based API */
143 void shift (framepos_t, framecnt_t);
145 void set_gain (gain_t val, PBD::Controllable::GroupControlDisposition);
146 void inc_gain (gain_t delta);
148 void set_trim (gain_t val, PBD::Controllable::GroupControlDisposition);
150 void set_mute_points (MuteMaster::MutePoint);
151 MuteMaster::MutePoint mute_points () const;
154 void set_mute (bool yn, PBD::Controllable::GroupControlDisposition);
156 bool muted_by_others() const;
158 /* controls use set_solo() to modify this route's solo state
161 void set_solo (bool yn, PBD::Controllable::GroupControlDisposition group_override = PBD::Controllable::UseGroup);
162 bool soloed () const { return self_soloed () || soloed_by_others (); }
163 void clear_all_solo_state ();
165 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
166 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
167 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
168 bool self_soloed () const { return _self_solo; }
170 void set_solo_isolated (bool yn, PBD::Controllable::GroupControlDisposition group_override = PBD::Controllable::UseGroup);
171 bool solo_isolated() const;
173 void set_solo_safe (bool yn, PBD::Controllable::GroupControlDisposition group_override = PBD::Controllable::UseGroup);
174 bool solo_safe() const;
176 void set_listen (bool yn, PBD::Controllable::GroupControlDisposition group_override = PBD::Controllable::UseGroup);
177 bool listening_via_monitor () const;
178 void enable_monitor_send ();
180 void set_phase_invert (uint32_t, bool yn);
181 void set_phase_invert (boost::dynamic_bitset<>);
182 bool phase_invert (uint32_t) const;
183 boost::dynamic_bitset<> phase_invert () const;
185 void set_denormal_protection (bool yn);
186 bool denormal_protection() const;
188 void set_meter_point (MeterPoint, bool force = false);
189 bool apply_processor_changes_rt ();
190 void emit_pending_signals ();
191 MeterPoint meter_point() const { return _pending_meter_point; }
193 void set_meter_type (MeterType t) { _meter_type = t; }
194 MeterType meter_type() const { return _meter_type; }
198 boost::shared_ptr<Amp> amp() const { return _amp; }
199 boost::shared_ptr<Amp> trim() const { return _trim; }
200 PeakMeter& peak_meter() { return *_meter.get(); }
201 const PeakMeter& peak_meter() const { return *_meter.get(); }
202 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
203 boost::shared_ptr<DelayLine> delay_line() const { return _delayline; }
205 void flush_processors ();
207 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
208 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
209 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
210 method (boost::weak_ptr<Processor> (*i));
214 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
215 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
216 ProcessorList::iterator i;
217 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
218 if (i == _processors.end()) {
219 return boost::shared_ptr<Processor> ();
225 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
227 boost::shared_ptr<Processor> nth_plugin (uint32_t n) const;
228 boost::shared_ptr<Processor> nth_send (uint32_t n) const;
230 bool has_io_processor_named (const std::string&);
231 ChanCount max_processor_streams () const { return processor_max_streams; }
233 std::list<std::string> unknown_processors () const;
235 /* special processors */
237 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
238 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
239 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
240 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
241 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
242 void add_internal_return ();
243 void add_send_to_internal_return (InternalSend *);
244 void remove_send_from_internal_return (InternalSend *);
245 void listen_position_changed ();
246 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
248 /** A record of the stream configuration at some point in the processor list.
249 * Used to return where and why an processor list configuration request failed.
251 struct ProcessorStreams {
252 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
254 uint32_t index; ///< Index of processor where configuration failed
255 ChanCount count; ///< Input requested of processor
258 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
259 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
260 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
261 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
262 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
263 boost::shared_ptr<Processor> before_processor_for_index (int);
264 bool processors_reorder_needs_configure (const ProcessorList& new_order);
265 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
266 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
267 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
268 void disable_processors (Placement);
269 void disable_processors ();
270 void disable_plugins (Placement);
271 void disable_plugins ();
272 void ab_plugins (bool forward);
273 void clear_processors (Placement);
274 void all_visible_processors_active (bool);
276 framecnt_t set_private_port_latencies (bool playback) const;
277 void set_public_port_latencies (framecnt_t, bool playback) const;
279 framecnt_t update_signal_latency();
280 virtual void set_latency_compensation (framecnt_t);
282 void set_user_latency (framecnt_t);
283 framecnt_t initial_delay() const { return _initial_delay; }
284 framecnt_t signal_latency() const { return _signal_latency; }
286 PBD::Signal0<void> active_changed;
287 PBD::Signal0<void> phase_invert_changed;
288 PBD::Signal0<void> denormal_protection_changed;
289 PBD::Signal1<void,PBD::Controllable::GroupControlDisposition> listen_changed;
290 PBD::Signal2<void,bool,PBD::Controllable::GroupControlDisposition> solo_changed;
291 PBD::Signal0<void> solo_safe_changed;
292 PBD::Signal0<void> solo_isolated_changed;
293 PBD::Signal0<void> comment_changed;
294 PBD::Signal0<void> mute_changed;
295 PBD::Signal0<void> mute_points_changed;
297 /** track numbers - assigned by session
298 * nubers > 0 indicate tracks (audio+midi)
299 * nubers < 0 indicate busses
300 * zero is reserved for unnumbered special busses.
302 PBD::Signal0<void> track_number_changed;
303 int64_t track_number() const { return _track_number; }
305 void set_track_number(int64_t tn) {
306 if (tn == _track_number) { return; }
308 track_number_changed();
309 PropertyChanged (ARDOUR::Properties::name);
312 /** the processors have changed; the parameter indicates what changed */
313 PBD::Signal1<void,RouteProcessorChange> processors_changed;
314 PBD::Signal1<void,void*> record_enable_changed;
315 /** the metering point has changed */
316 PBD::Signal0<void> meter_change;
317 PBD::Signal0<void> signal_latency_changed;
318 PBD::Signal0<void> initial_delay_changed;
320 /** Emitted with the process lock held */
321 PBD::Signal0<void> io_changed;
323 /* gui's call this for their own purposes. */
325 PBD::Signal2<void,std::string,void*> gui_changed;
329 XMLNode& get_state();
330 virtual int set_state (const XMLNode&, int version);
331 virtual XMLNode& get_template();
333 XMLNode& get_processor_state ();
334 virtual void set_processor_state (const XMLNode&);
336 int save_as_template (const std::string& path, const std::string& name);
338 PBD::Signal1<void,void*> SelectedChanged;
340 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
341 void remove_aux_or_listen (boost::shared_ptr<Route>);
344 * return true if this route feeds the first argument via at least one
345 * (arbitrarily long) signal pathway.
347 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
350 * return true if this route feeds the first argument directly, via
351 * either its main outs or a send. This is checked by the actual
352 * connections, rather than by what the graph is currently doing.
354 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
357 * return true if this route feeds the first argument directly, via
358 * either its main outs or a send, according to the graph that
359 * is currently being processed.
361 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
364 boost::weak_ptr<Route> r;
367 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
369 , sends_only (sendsonly) {}
372 struct FeedRecordCompare {
373 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
378 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
380 const FedBy& fed_by() const { return _fed_by; }
381 void clear_fed_by ();
382 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
384 /* Controls (not all directly owned by the Route) */
386 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
388 class RouteAutomationControl : public AutomationControl {
390 RouteAutomationControl (const std::string& name,
391 AutomationType atype,
392 boost::shared_ptr<AutomationList> alist,
393 boost::shared_ptr<Route> route);
395 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override) {
396 boost::shared_ptr<Route> r = _route.lock();
398 r->set_control ((AutomationType) parameter().type(), val, group_override);
405 void route_set_value (double val) {
406 AutomationControl::set_value (val, Controllable::NoGroup);
409 boost::weak_ptr<Route> _route;
412 class GainControllable : public GainControl {
414 GainControllable (Session& session,
416 boost::shared_ptr<Route> route);
418 void set_value (double val, PBD::Controllable::GroupControlDisposition group_override) {
419 boost::shared_ptr<Route> r = _route.lock();
421 r->set_control ((AutomationType) parameter().type(), val, group_override);
428 void route_set_value (double val) {
429 GainControl::set_value (val, Controllable::NoGroup);
432 boost::weak_ptr<Route> _route;
435 class SoloControllable : public RouteAutomationControl {
437 SoloControllable (std::string name, boost::shared_ptr<Route>);
438 void set_value (double, PBD::Controllable::GroupControlDisposition group_override);
439 void set_value_unchecked (double);
440 double get_value () const;
442 void _set_value (double, PBD::Controllable::GroupControlDisposition group_override);
445 struct MuteControllable : public RouteAutomationControl {
447 MuteControllable (std::string name, boost::shared_ptr<Route>);
448 void set_value (double, PBD::Controllable::GroupControlDisposition group_override);
449 void set_value_unchecked (double);
450 double get_value () const;
452 /* Pretend to change value, but do not affect actual route mute. */
453 void set_superficial_value(bool muted);
456 boost::weak_ptr<Route> _route;
457 void _set_value (double, PBD::Controllable::GroupControlDisposition group_override);
460 class LIBARDOUR_API PhaseControllable : public RouteAutomationControl {
462 PhaseControllable (std::string name, boost::shared_ptr<Route>);
463 void set_value (double, PBD::Controllable::GroupControlDisposition group_override);
464 /* currently no automation, so no need for set_value_unchecked() */
465 void set_channel (uint32_t);
466 double get_value () const;
467 uint32_t channel() const;
469 uint32_t _current_phase;
470 void _set_value (double, PBD::Controllable::GroupControlDisposition group_override);
473 void set_control (AutomationType, double val, PBD::Controllable::GroupControlDisposition group_override);
475 boost::shared_ptr<SoloControllable> solo_control() const {
476 return _solo_control;
479 boost::shared_ptr<MuteControllable> mute_control() const {
480 return _mute_control;
483 boost::shared_ptr<MuteMaster> mute_master() const {
487 boost::shared_ptr<PhaseControllable> phase_control() const {
488 return _phase_control;
491 /* Route doesn't own these items, but sub-objects that it does own have them
492 and to make UI code a bit simpler, we provide direct access to them
496 boost::shared_ptr<Panner> panner() const; /* may return null */
497 boost::shared_ptr<PannerShell> panner_shell() const;
498 boost::shared_ptr<GainControl> gain_control() const;
499 boost::shared_ptr<Pannable> pannable() const;
500 boost::shared_ptr<GainControl> trim_control() const;
503 Return the first processor that accepts has at least one MIDI input
504 and at least one audio output. In the vast majority of cases, this
505 will be "the instrument". This does not preclude other MIDI->audio
506 processors later in the processing chain, but that would be a
507 special case not covered by this utility function.
509 boost::shared_ptr<Processor> the_instrument() const;
510 InstrumentInfo& instrument_info() { return _instrument_info; }
512 /* "well-known" controls for panning. Any or all of these may return
516 boost::shared_ptr<AutomationControl> pan_azimuth_control() const;
517 boost::shared_ptr<AutomationControl> pan_elevation_control() const;
518 boost::shared_ptr<AutomationControl> pan_width_control() const;
519 boost::shared_ptr<AutomationControl> pan_frontback_control() const;
520 boost::shared_ptr<AutomationControl> pan_lfe_control() const;
522 /* "well-known" controls for an EQ in this route. Any or all may
523 * be null. eq_band_cnt() must return 0 if there is no EQ present.
524 * Passing an @param band value >= eq_band_cnt() will guarantee the
525 * return of a null ptr (or an empty string for eq_band_name()).
527 uint32_t eq_band_cnt () const;
528 std::string eq_band_name (uint32_t) const;
529 boost::shared_ptr<AutomationControl> eq_gain_controllable (uint32_t band) const;
530 boost::shared_ptr<AutomationControl> eq_freq_controllable (uint32_t band) const;
531 boost::shared_ptr<AutomationControl> eq_q_controllable (uint32_t band) const;
532 boost::shared_ptr<AutomationControl> eq_shape_controllable (uint32_t band) const;
533 boost::shared_ptr<AutomationControl> eq_enable_controllable () const;
534 boost::shared_ptr<AutomationControl> eq_hpf_controllable () const;
536 /* "well-known" controls for a compressor in this route. Any or all may
539 boost::shared_ptr<AutomationControl> comp_enable_controllable () const;
540 boost::shared_ptr<AutomationControl> comp_threshold_controllable () const;
541 boost::shared_ptr<AutomationControl> comp_speed_controllable () const;
542 boost::shared_ptr<AutomationControl> comp_mode_controllable () const;
543 boost::shared_ptr<AutomationControl> comp_makeup_controllable () const;
544 boost::shared_ptr<AutomationControl> comp_redux_controllable () const;
546 /* @param mode must be supplied by the comp_mode_controllable(). All other values
547 * result in undefined behaviour
549 std::string comp_mode_name (uint32_t mode) const;
550 /* @param mode - as for comp mode name. This returns the name for the
551 * parameter/control accessed via comp_speed_controllable(), which can
554 std::string comp_speed_name (uint32_t mode) const;
556 /* "well-known" controls for sends to well-known busses in this route. Any or all may
559 * In Mixbus, these are the sends that connect to the mixbusses.
560 * In Ardour, these are user-created sends that connect to user-created
563 boost::shared_ptr<AutomationControl> send_level_controllable (uint32_t n) const;
564 boost::shared_ptr<AutomationControl> send_enable_controllable (uint32_t n) const;
566 void protect_automation ();
569 /* These numbers are taken from MIDI Machine Control,
570 which can only control up to 317 tracks without
571 doing sysex segmentation.
573 MasterBusRemoteControlID = 318,
574 MonitorBusRemoteControlID = 319,
577 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
578 uint32_t remote_control_id () const;
579 void set_remote_control_id_explicit (uint32_t order_key);
581 /* for things concerned about *this* route's RID */
583 PBD::Signal0<void> RemoteControlIDChanged;
585 /* for things concerned about *any* route's RID changes */
587 static PBD::Signal0<void> RemoteControlIDChange;
588 static PBD::Signal0<void> SyncOrderKeys;
590 bool has_external_redirects() const;
592 /* can only be executed by a route for which is_monitor() is true
593 (i.e. the monitor out)
595 void monitor_run (framepos_t start_frame, framepos_t end_frame,
596 pframes_t nframes, int declick);
599 friend class Session;
601 void catch_up_on_solo_mute_override ();
602 void mod_solo_by_others_upstream (int32_t);
603 void mod_solo_by_others_downstream (int32_t);
604 void curve_reallocate ();
605 virtual void set_block_size (pframes_t nframes);
608 virtual framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&) { return nframes; }
610 void fill_buffers_with_input (BufferSet& bufs, boost::shared_ptr<IO> io, pframes_t nframes);
612 void passthru (BufferSet&, framepos_t start_frame, framepos_t end_frame,
613 pframes_t nframes, int declick);
615 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
616 framecnt_t /* nframes */) {}
618 virtual void process_output_buffers (BufferSet& bufs,
619 framepos_t start_frame, framepos_t end_frame,
620 pframes_t nframes, int declick,
621 bool gain_automation_ok);
623 virtual void bounce_process (BufferSet& bufs,
624 framepos_t start_frame, framecnt_t nframes,
625 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
626 bool for_export, bool for_freeze);
628 framecnt_t bounce_get_latency (boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
629 ChanCount bounce_get_output_streams (ChanCount &cc, boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
631 boost::shared_ptr<IO> _input;
632 boost::shared_ptr<IO> _output;
635 framecnt_t _signal_latency;
636 framecnt_t _signal_latency_at_amp_position;
637 framecnt_t _signal_latency_at_trim_position;
638 framecnt_t _initial_delay;
639 framecnt_t _roll_delay;
641 ProcessorList _processors;
642 mutable Glib::Threads::RWLock _processor_lock;
643 boost::shared_ptr<Delivery> _main_outs;
644 boost::shared_ptr<InternalSend> _monitor_send;
645 boost::shared_ptr<InternalReturn> _intreturn;
646 boost::shared_ptr<MonitorProcessor> _monitor_control;
647 boost::shared_ptr<Pannable> _pannable;
651 EmitMeterChanged = 0x01,
652 EmitMeterVisibilityChange = 0x02,
653 EmitRtProcessorChange = 0x04
656 ProcessorList _pending_processor_order;
657 gint _pending_process_reorder; // atomic
658 gint _pending_signals; // atomic
661 int _pending_declick;
662 MeterPoint _meter_point;
663 MeterPoint _pending_meter_point;
664 MeterType _meter_type;
665 boost::dynamic_bitset<> _phase_invert;
667 uint32_t _soloed_by_others_upstream;
668 uint32_t _soloed_by_others_downstream;
670 uint32_t _solo_isolated_by_upstream;
672 void mod_solo_isolated_by_upstream (bool);
674 bool _denormal_protection;
676 bool _recordable : 1;
678 bool _declickable : 1;
680 boost::shared_ptr<SoloControllable> _solo_control;
681 boost::shared_ptr<MuteControllable> _mute_control;
682 boost::shared_ptr<MuteMaster> _mute_master;
683 boost::shared_ptr<PhaseControllable> _phase_control;
685 virtual void act_on_mute () {}
687 std::string _comment;
688 bool _have_internal_generator;
690 DataType _default_type;
693 InstrumentInfo _instrument_info;
695 virtual ChanCount input_streams () const;
698 virtual XMLNode& state(bool);
700 int configure_processors (ProcessorStreams*);
702 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
703 pframes_t nframes, int declick);
705 void silence (framecnt_t);
706 void silence_unlocked (framecnt_t);
708 ChanCount processor_max_streams;
709 ChanCount processor_out_streams;
711 uint32_t pans_required() const;
712 ChanCount n_process_buffers ();
714 virtual void maybe_declick (BufferSet&, framecnt_t, int);
716 boost::shared_ptr<GainControllable> _gain_control;
717 boost::shared_ptr<Amp> _amp;
718 boost::shared_ptr<GainControllable> _trim_control;
719 boost::shared_ptr<Amp> _trim;
720 boost::shared_ptr<PeakMeter> _meter;
721 boost::shared_ptr<DelayLine> _delayline;
723 boost::shared_ptr<Processor> the_instrument_unlocked() const;
726 int set_state_2X (const XMLNode&, int);
727 void set_processor_state_2X (XMLNodeList const &, int);
731 uint32_t _remote_control_id;
733 int64_t _track_number;
735 void input_change_handler (IOChange, void *src);
736 void output_change_handler (IOChange, void *src);
738 bool input_port_count_changing (ChanCount);
739 bool output_port_count_changing (ChanCount);
741 bool _in_configure_processors;
742 bool _initial_io_setup;
744 int configure_processors_unlocked (ProcessorStreams*);
745 bool set_meter_point_unlocked ();
746 void apply_processor_order (const ProcessorList& new_order);
748 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
749 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
751 bool add_processor_from_xml_2X (const XMLNode&, int);
753 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
755 void set_self_solo (bool yn);
756 void set_mute_master_solo ();
758 void set_processor_positions ();
759 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
761 void setup_invisible_processors ();
764 void set_plugin_state_dir (boost::weak_ptr<Processor>, const std::string&);
766 boost::shared_ptr<CapturingProcessor> _capturing_processor;
768 /** A handy class to keep processor state while we attempt a reconfiguration
771 class ProcessorState {
773 ProcessorState (Route* r)
775 , _processors (r->_processors)
776 , _processor_max_streams (r->processor_max_streams)
780 _route->_processors = _processors;
781 _route->processor_max_streams = _processor_max_streams;
785 /* this should perhaps be a shared_ptr, but ProcessorStates will
786 not hang around long enough for it to matter.
789 ProcessorList _processors;
790 ChanCount _processor_max_streams;
793 friend class ProcessorState;
795 /* no copy construction */
796 Route (Route const &);
798 void maybe_note_meter_position ();
800 /** true if we've made a note of a custom meter position in these variables */
801 bool _custom_meter_position_noted;
802 /** the processor that came after the meter when it was last set to a custom position,
805 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
807 void reset_instrument_info ();
809 void set_remote_control_id_internal (uint32_t id, bool notify_class_listeners = true);
812 } // namespace ARDOUR
814 #endif /* __ardour_route_h__ */