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/instrument_info.h"
45 #include "ardour/io.h"
46 #include "ardour/libardour_visibility.h"
47 #include "ardour/types.h"
48 #include "ardour/mute_master.h"
49 #include "ardour/route_group_member.h"
50 #include "ardour/graphnode.h"
51 #include "ardour/automatable.h"
52 #include "ardour/unknown_processor.h"
67 class MonitorProcessor;
69 class CapturingProcessor;
72 class LIBARDOUR_API Route : public SessionObject, public Automatable, public RouteGroupMember, public GraphNode, public boost::enable_shared_from_this<Route>
76 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
84 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
89 boost::shared_ptr<IO> input() const { return _input; }
90 boost::shared_ptr<IO> output() const { return _output; }
92 ChanCount n_inputs() const { return _input->n_ports(); }
93 ChanCount n_outputs() const { return _output->n_ports(); }
95 bool active() const { return _active; }
96 void set_active (bool yn, void *);
98 static std::string ensure_track_or_route_name(std::string, Session &);
100 std::string comment() { return _comment; }
101 void set_comment (std::string str, void *src);
103 bool set_name (const std::string& str);
104 static void set_name_in_state (XMLNode &, const std::string &);
106 uint32_t order_key () const;
107 bool has_order_key () const;
108 void set_order_key (uint32_t);
110 bool is_auditioner() const { return _flags & Auditioner; }
111 bool is_master() const { return _flags & MasterOut; }
112 bool is_monitor() const { return _flags & MonitorOut; }
114 virtual MonitorState monitoring_state () const;
115 virtual MeterState metering_state () const;
117 /* these are the core of the API of a Route. see the protected sections as well */
119 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
120 int declick, bool& need_butler);
122 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
123 bool state_changing);
125 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
128 virtual bool can_record() { return false; }
130 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
131 virtual bool record_enabled() const { return false; }
132 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
133 virtual void realtime_handle_transport_stopped () {}
134 virtual void realtime_locate () {}
135 virtual void non_realtime_locate (framepos_t);
136 virtual void set_pending_declick (int);
138 /* end of vfunc-based API */
140 void shift (framepos_t, framecnt_t);
142 void set_gain (gain_t val, void *src);
143 void inc_gain (gain_t delta, void *src);
145 void set_trim (gain_t val, void *src);
146 void inc_trim (gain_t delta, void *src);
148 void set_mute_points (MuteMaster::MutePoint);
149 MuteMaster::MutePoint mute_points () const;
152 void set_mute (bool yn, void* src);
154 /* controls use set_solo() to modify this route's solo state
157 void set_solo (bool yn, void *src);
158 bool soloed () const { return self_soloed () || soloed_by_others (); }
159 void cancel_solo_after_disconnect (bool upstream);
161 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
162 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
163 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
164 bool self_soloed () const { return _self_solo; }
166 void set_solo_isolated (bool yn, void *src);
167 bool solo_isolated() const;
169 void set_solo_safe (bool yn, void *src);
170 bool solo_safe() const;
172 void set_listen (bool yn, void* src);
173 bool listening_via_monitor () const;
174 void enable_monitor_send ();
176 void set_phase_invert (uint32_t, bool yn);
177 void set_phase_invert (boost::dynamic_bitset<>);
178 bool phase_invert (uint32_t) const;
179 boost::dynamic_bitset<> phase_invert () const;
181 void set_denormal_protection (bool yn);
182 bool denormal_protection() const;
184 void set_meter_point (MeterPoint, bool force = false);
185 MeterPoint meter_point() const { return _meter_point; }
188 void set_meter_type (MeterType t) { _meter_type = t; }
189 MeterType meter_type() const { return _meter_type; }
193 boost::shared_ptr<Amp> amp() const { return _amp; }
194 boost::shared_ptr<Amp> trim() const { return _trim; }
195 PeakMeter& peak_meter() { return *_meter.get(); }
196 const PeakMeter& peak_meter() const { return *_meter.get(); }
197 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
198 boost::shared_ptr<DelayLine> delay_line() const { return _delayline; }
200 void flush_processors ();
202 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
203 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
204 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
205 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
208 method (boost::weak_ptr<Processor> (*i));
212 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
213 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
214 ProcessorList::iterator i;
215 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
216 if (i == _processors.end()) {
217 return boost::shared_ptr<Processor> ();
223 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
225 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
226 boost::shared_ptr<Processor> nth_send (uint32_t n);
228 bool has_io_processor_named (const std::string&);
229 ChanCount max_processor_streams () const { return processor_max_streams; }
231 std::list<std::string> unknown_processors () const;
233 /* special processors */
235 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
236 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
237 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
238 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
239 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
240 void add_internal_return ();
241 void add_send_to_internal_return (InternalSend *);
242 void remove_send_from_internal_return (InternalSend *);
243 void listen_position_changed ();
244 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
246 /** A record of the stream configuration at some point in the processor list.
247 * Used to return where and why an processor list configuration request failed.
249 struct ProcessorStreams {
250 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
252 uint32_t index; ///< Index of processor where configuration failed
253 ChanCount count; ///< Input requested of processor
256 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
257 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
258 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
259 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
260 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
261 boost::shared_ptr<Processor> before_processor_for_index (int);
262 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
263 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
264 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
265 void disable_processors (Placement);
266 void disable_processors ();
267 void disable_plugins (Placement);
268 void disable_plugins ();
269 void ab_plugins (bool forward);
270 void clear_processors (Placement);
271 void all_visible_processors_active (bool);
273 framecnt_t set_private_port_latencies (bool playback) const;
274 void set_public_port_latencies (framecnt_t, bool playback) const;
276 framecnt_t update_signal_latency();
277 virtual void set_latency_compensation (framecnt_t);
279 void set_user_latency (framecnt_t);
280 framecnt_t initial_delay() const { return _initial_delay; }
281 framecnt_t signal_latency() const { return _signal_latency; }
283 PBD::Signal0<void> active_changed;
284 PBD::Signal0<void> phase_invert_changed;
285 PBD::Signal0<void> denormal_protection_changed;
286 PBD::Signal1<void,void*> listen_changed;
287 PBD::Signal2<void,bool,void*> solo_changed;
288 PBD::Signal1<void,void*> solo_safe_changed;
289 PBD::Signal1<void,void*> solo_isolated_changed;
290 PBD::Signal1<void,void*> comment_changed;
291 PBD::Signal1<void,void*> mute_changed;
292 PBD::Signal0<void> mute_points_changed;
294 /** track numbers - assigned by session
295 * nubers > 0 indicate tracks (audio+midi)
296 * nubers < 0 indicate busses
297 * zero is reserved for unnumbered special busses.
299 PBD::Signal0<void> track_number_changed;
300 int64_t track_number() const { return _track_number; }
302 void set_track_number(int64_t tn) {
303 if (tn == _track_number) { return; }
305 track_number_changed();
306 PropertyChanged (ARDOUR::Properties::name);
309 /** the processors have changed; the parameter indicates what changed */
310 PBD::Signal1<void,RouteProcessorChange> processors_changed;
311 PBD::Signal1<void,void*> record_enable_changed;
312 /** the metering point has changed */
313 PBD::Signal0<void> meter_change;
314 PBD::Signal0<void> signal_latency_changed;
315 PBD::Signal0<void> initial_delay_changed;
317 /** Emitted with the process lock held */
318 PBD::Signal0<void> io_changed;
320 /* gui's call this for their own purposes. */
322 PBD::Signal2<void,std::string,void*> gui_changed;
326 XMLNode& get_state();
327 virtual int set_state (const XMLNode&, int version);
328 virtual XMLNode& get_template();
330 XMLNode& get_processor_state ();
331 virtual void set_processor_state (const XMLNode&);
333 int save_as_template (const std::string& path, const std::string& name);
335 PBD::Signal1<void,void*> SelectedChanged;
337 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
338 void remove_aux_or_listen (boost::shared_ptr<Route>);
341 * return true if this route feeds the first argument via at least one
342 * (arbitrarily long) signal pathway.
344 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
347 * return true if this route feeds the first argument directly, via
348 * either its main outs or a send. This is checked by the actual
349 * connections, rather than by what the graph is currently doing.
351 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
354 * return true if this route feeds the first argument directly, via
355 * either its main outs or a send, according to the graph that
356 * is currently being processed.
358 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
361 boost::weak_ptr<Route> r;
364 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
366 , sends_only (sendsonly) {}
369 struct FeedRecordCompare {
370 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
375 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
377 const FedBy& fed_by() const { return _fed_by; }
378 void clear_fed_by ();
379 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
381 /* Controls (not all directly owned by the Route */
383 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
385 class SoloControllable : public AutomationControl {
387 SoloControllable (std::string name, boost::shared_ptr<Route>);
388 void set_value (double);
389 double get_value () const;
392 boost::weak_ptr<Route> _route;
395 struct MuteControllable : public AutomationControl {
397 MuteControllable (std::string name, boost::shared_ptr<Route>);
398 void set_value (double);
399 double get_value () const;
401 /* Pretend to change value, but do not affect actual route mute. */
402 void set_superficial_value(bool muted);
405 boost::weak_ptr<Route> _route;
408 boost::shared_ptr<SoloControllable> solo_control() const {
409 return _solo_control;
412 boost::shared_ptr<MuteControllable> mute_control() const {
413 return _mute_control;
416 boost::shared_ptr<MuteMaster> mute_master() const {
420 /* Route doesn't own these items, but sub-objects that it does own have them
421 and to make UI code a bit simpler, we provide direct access to them
425 boost::shared_ptr<Panner> panner() const; /* may return null */
426 boost::shared_ptr<PannerShell> panner_shell() const;
427 boost::shared_ptr<AutomationControl> gain_control() const;
428 boost::shared_ptr<Pannable> pannable() const;
431 Return the first processor that accepts has at least one MIDI input
432 and at least one audio output. In the vast majority of cases, this
433 will be "the instrument". This does not preclude other MIDI->audio
434 processors later in the processing chain, but that would be a
435 special case not covered by this utility function.
437 boost::shared_ptr<Processor> the_instrument() const;
438 InstrumentInfo& instrument_info() { return _instrument_info; }
440 void protect_automation ();
443 /* These numbers are taken from MIDI Machine Control,
444 which can only control up to 317 tracks without
445 doing sysex segmentation.
447 MasterBusRemoteControlID = 318,
448 MonitorBusRemoteControlID = 319,
451 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
452 uint32_t remote_control_id () const;
453 void set_remote_control_id_explicit (uint32_t order_key);
455 /* for things concerned about *this* route's RID */
457 PBD::Signal0<void> RemoteControlIDChanged;
459 /* for things concerned about *any* route's RID changes */
461 static PBD::Signal0<void> RemoteControlIDChange;
462 static PBD::Signal0<void> SyncOrderKeys;
464 bool has_external_redirects() const;
466 /* can only be executed by a route for which is_monitor() is true
467 (i.e. the monitor out)
469 void monitor_run (framepos_t start_frame, framepos_t end_frame,
470 pframes_t nframes, int declick);
473 friend class Session;
475 void catch_up_on_solo_mute_override ();
476 void mod_solo_by_others_upstream (int32_t);
477 void mod_solo_by_others_downstream (int32_t);
478 void curve_reallocate ();
479 virtual void set_block_size (pframes_t nframes);
482 virtual framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&) { return nframes; }
484 void fill_buffers_with_input (BufferSet& bufs, boost::shared_ptr<IO> io, pframes_t nframes);
486 void passthru (BufferSet&, framepos_t start_frame, framepos_t end_frame,
487 pframes_t nframes, int declick);
489 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
490 framecnt_t /* nframes */) {}
492 virtual void process_output_buffers (BufferSet& bufs,
493 framepos_t start_frame, framepos_t end_frame,
494 pframes_t nframes, int declick,
495 bool gain_automation_ok);
497 virtual void bounce_process (BufferSet& bufs,
498 framepos_t start_frame, framecnt_t nframes,
499 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
500 bool for_export, bool for_freeze);
502 framecnt_t bounce_get_latency (boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
503 ChanCount bounce_get_output_streams (ChanCount &cc, boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
505 boost::shared_ptr<IO> _input;
506 boost::shared_ptr<IO> _output;
509 framecnt_t _signal_latency;
510 framecnt_t _signal_latency_at_amp_position;
511 framecnt_t _signal_latency_at_trim_position;
512 framecnt_t _initial_delay;
513 framecnt_t _roll_delay;
515 ProcessorList _processors;
516 mutable Glib::Threads::RWLock _processor_lock;
517 boost::shared_ptr<Delivery> _main_outs;
518 boost::shared_ptr<InternalSend> _monitor_send;
519 boost::shared_ptr<InternalReturn> _intreturn;
520 boost::shared_ptr<MonitorProcessor> _monitor_control;
521 boost::shared_ptr<Pannable> _pannable;
524 int _pending_declick;
525 MeterPoint _meter_point;
526 MeterType _meter_type;
527 boost::dynamic_bitset<> _phase_invert;
529 uint32_t _soloed_by_others_upstream;
530 uint32_t _soloed_by_others_downstream;
531 uint32_t _solo_isolated;
533 bool _denormal_protection;
535 bool _recordable : 1;
537 bool _declickable : 1;
539 boost::shared_ptr<SoloControllable> _solo_control;
540 boost::shared_ptr<MuteControllable> _mute_control;
541 boost::shared_ptr<MuteMaster> _mute_master;
543 virtual void act_on_mute () {}
545 std::string _comment;
546 bool _have_internal_generator;
548 DataType _default_type;
551 InstrumentInfo _instrument_info;
553 virtual ChanCount input_streams () const;
556 virtual XMLNode& state(bool);
558 int configure_processors (ProcessorStreams*);
560 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
561 pframes_t nframes, int declick);
563 void silence (framecnt_t);
564 void silence_unlocked (framecnt_t);
566 ChanCount processor_max_streams;
567 ChanCount processor_out_streams;
569 uint32_t pans_required() const;
570 ChanCount n_process_buffers ();
572 virtual void maybe_declick (BufferSet&, framecnt_t, int);
574 boost::shared_ptr<Amp> _amp;
575 boost::shared_ptr<Amp> _trim;
576 boost::shared_ptr<PeakMeter> _meter;
577 boost::shared_ptr<DelayLine> _delayline;
579 boost::shared_ptr<Processor> the_instrument_unlocked() const;
582 int set_state_2X (const XMLNode&, int);
583 void set_processor_state_2X (XMLNodeList const &, int);
587 uint32_t _remote_control_id;
589 int64_t _track_number;
591 void input_change_handler (IOChange, void *src);
592 void output_change_handler (IOChange, void *src);
594 bool input_port_count_changing (ChanCount);
595 bool output_port_count_changing (ChanCount);
597 bool _in_configure_processors;
598 bool _initial_io_setup;
600 int configure_processors_unlocked (ProcessorStreams*);
601 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
602 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
604 bool add_processor_from_xml_2X (const XMLNode&, int);
606 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
608 void set_self_solo (bool yn);
609 void set_mute_master_solo ();
611 void set_processor_positions ();
612 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
614 void setup_invisible_processors ();
617 boost::shared_ptr<CapturingProcessor> _capturing_processor;
619 /** A handy class to keep processor state while we attempt a reconfiguration
622 class ProcessorState {
624 ProcessorState (Route* r)
626 , _processors (r->_processors)
627 , _processor_max_streams (r->processor_max_streams)
631 _route->_processors = _processors;
632 _route->processor_max_streams = _processor_max_streams;
636 /* this should perhaps be a shared_ptr, but ProcessorStates will
637 not hang around long enough for it to matter.
640 ProcessorList _processors;
641 ChanCount _processor_max_streams;
644 friend class ProcessorState;
646 /* no copy construction */
647 Route (Route const &);
649 void maybe_note_meter_position ();
651 /** true if we've made a note of a custom meter position in these variables */
652 bool _custom_meter_position_noted;
653 /** the processor that came after the meter when it was last set to a custom position,
656 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
657 /** true if the last custom meter position was at the end of the processor list */
658 bool _last_custom_meter_was_at_end;
660 void reset_instrument_info ();
662 void set_remote_control_id_internal (uint32_t id, bool notify_class_listeners = true);
665 } // namespace ARDOUR
667 #endif /* __ardour_route_h__ */