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_mute_points (MuteMaster::MutePoint);
146 MuteMaster::MutePoint mute_points () const;
149 void set_mute (bool yn, void* src);
151 /* controls use set_solo() to modify this route's solo state
154 void set_solo (bool yn, void *src);
155 bool soloed () const { return self_soloed () || soloed_by_others (); }
156 void cancel_solo_after_disconnect (bool upstream);
158 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
159 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
160 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
161 bool self_soloed () const { return _self_solo; }
163 void set_solo_isolated (bool yn, void *src);
164 bool solo_isolated() const;
166 void set_solo_safe (bool yn, void *src);
167 bool solo_safe() const;
169 void set_listen (bool yn, void* src);
170 bool listening_via_monitor () const;
171 void enable_monitor_send ();
173 void set_phase_invert (uint32_t, bool yn);
174 void set_phase_invert (boost::dynamic_bitset<>);
175 bool phase_invert (uint32_t) const;
176 boost::dynamic_bitset<> phase_invert () const;
178 void set_denormal_protection (bool yn);
179 bool denormal_protection() const;
181 void set_meter_point (MeterPoint, bool force = false);
182 MeterPoint meter_point() const { return _meter_point; }
185 void set_meter_type (MeterType t) { _meter_type = t; }
186 MeterType meter_type() const { return _meter_type; }
190 boost::shared_ptr<Amp> amp() const { return _amp; }
191 boost::shared_ptr<Amp> trim() const { return _trim; }
192 PeakMeter& peak_meter() { return *_meter.get(); }
193 const PeakMeter& peak_meter() const { return *_meter.get(); }
194 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
195 boost::shared_ptr<DelayLine> delay_line() const { return _delayline; }
197 void flush_processors ();
199 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
200 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
201 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
202 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
205 method (boost::weak_ptr<Processor> (*i));
209 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
210 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
211 ProcessorList::iterator i;
212 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
213 if (i == _processors.end()) {
214 return boost::shared_ptr<Processor> ();
220 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
222 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
223 boost::shared_ptr<Processor> nth_send (uint32_t n);
225 bool has_io_processor_named (const std::string&);
226 ChanCount max_processor_streams () const { return processor_max_streams; }
228 std::list<std::string> unknown_processors () const;
230 /* special processors */
232 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
233 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
234 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
235 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
236 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
237 void add_internal_return ();
238 void add_send_to_internal_return (InternalSend *);
239 void remove_send_from_internal_return (InternalSend *);
240 void listen_position_changed ();
241 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
243 /** A record of the stream configuration at some point in the processor list.
244 * Used to return where and why an processor list configuration request failed.
246 struct ProcessorStreams {
247 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
249 uint32_t index; ///< Index of processor where configuration failed
250 ChanCount count; ///< Input requested of processor
253 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
254 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
255 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
256 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
257 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
258 boost::shared_ptr<Processor> before_processor_for_index (int);
259 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
260 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
261 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
262 void disable_processors (Placement);
263 void disable_processors ();
264 void disable_plugins (Placement);
265 void disable_plugins ();
266 void ab_plugins (bool forward);
267 void clear_processors (Placement);
268 void all_visible_processors_active (bool);
270 framecnt_t set_private_port_latencies (bool playback) const;
271 void set_public_port_latencies (framecnt_t, bool playback) const;
273 framecnt_t update_signal_latency();
274 virtual void set_latency_compensation (framecnt_t);
276 void set_user_latency (framecnt_t);
277 framecnt_t initial_delay() const { return _initial_delay; }
278 framecnt_t signal_latency() const { return _signal_latency; }
280 PBD::Signal0<void> active_changed;
281 PBD::Signal0<void> phase_invert_changed;
282 PBD::Signal0<void> denormal_protection_changed;
283 PBD::Signal1<void,void*> listen_changed;
284 PBD::Signal2<void,bool,void*> solo_changed;
285 PBD::Signal1<void,void*> solo_safe_changed;
286 PBD::Signal1<void,void*> solo_isolated_changed;
287 PBD::Signal1<void,void*> comment_changed;
288 PBD::Signal1<void,void*> mute_changed;
289 PBD::Signal0<void> mute_points_changed;
291 /** track numbers - assigned by session
292 * nubers > 0 indicate tracks (audio+midi)
293 * nubers < 0 indicate busses
294 * zero is reserved for unnumbered special busses.
296 PBD::Signal0<void> track_number_changed;
297 int64_t track_number() const { return _track_number; }
299 void set_track_number(int64_t tn) {
300 if (tn == _track_number) { return; }
302 track_number_changed();
303 PropertyChanged (ARDOUR::Properties::name);
306 /** the processors have changed; the parameter indicates what changed */
307 PBD::Signal1<void,RouteProcessorChange> processors_changed;
308 PBD::Signal1<void,void*> record_enable_changed;
309 /** the metering point has changed */
310 PBD::Signal0<void> meter_change;
311 PBD::Signal0<void> signal_latency_changed;
312 PBD::Signal0<void> initial_delay_changed;
314 /** Emitted with the process lock held */
315 PBD::Signal0<void> io_changed;
317 /* gui's call this for their own purposes. */
319 PBD::Signal2<void,std::string,void*> gui_changed;
323 XMLNode& get_state();
324 virtual int set_state (const XMLNode&, int version);
325 virtual XMLNode& get_template();
327 XMLNode& get_processor_state ();
328 virtual void set_processor_state (const XMLNode&);
330 int save_as_template (const std::string& path, const std::string& name);
332 PBD::Signal1<void,void*> SelectedChanged;
334 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
335 void remove_aux_or_listen (boost::shared_ptr<Route>);
338 * return true if this route feeds the first argument via at least one
339 * (arbitrarily long) signal pathway.
341 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
344 * return true if this route feeds the first argument directly, via
345 * either its main outs or a send. This is checked by the actual
346 * connections, rather than by what the graph is currently doing.
348 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
351 * return true if this route feeds the first argument directly, via
352 * either its main outs or a send, according to the graph that
353 * is currently being processed.
355 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
358 boost::weak_ptr<Route> r;
361 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
363 , sends_only (sendsonly) {}
366 struct FeedRecordCompare {
367 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
372 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
374 const FedBy& fed_by() const { return _fed_by; }
375 void clear_fed_by ();
376 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
378 /* Controls (not all directly owned by the Route */
380 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
382 class SoloControllable : public AutomationControl {
384 SoloControllable (std::string name, boost::shared_ptr<Route>);
385 void set_value (double);
386 double get_value () const;
389 boost::weak_ptr<Route> _route;
392 struct MuteControllable : public AutomationControl {
394 MuteControllable (std::string name, boost::shared_ptr<Route>);
395 void set_value (double);
396 double get_value () const;
398 /* Pretend to change value, but do not affect actual route mute. */
399 void set_superficial_value(bool muted);
402 boost::weak_ptr<Route> _route;
405 boost::shared_ptr<SoloControllable> solo_control() const {
406 return _solo_control;
409 boost::shared_ptr<MuteControllable> mute_control() const {
410 return _mute_control;
413 boost::shared_ptr<MuteMaster> mute_master() const {
417 /* Route doesn't own these items, but sub-objects that it does own have them
418 and to make UI code a bit simpler, we provide direct access to them
422 boost::shared_ptr<Panner> panner() const; /* may return null */
423 boost::shared_ptr<PannerShell> panner_shell() const;
424 boost::shared_ptr<AutomationControl> gain_control() const;
425 boost::shared_ptr<Pannable> pannable() const;
428 Return the first processor that accepts has at least one MIDI input
429 and at least one audio output. In the vast majority of cases, this
430 will be "the instrument". This does not preclude other MIDI->audio
431 processors later in the processing chain, but that would be a
432 special case not covered by this utility function.
434 boost::shared_ptr<Processor> the_instrument() const;
435 InstrumentInfo& instrument_info() { return _instrument_info; }
437 void protect_automation ();
440 /* These numbers are taken from MIDI Machine Control,
441 which can only control up to 317 tracks without
442 doing sysex segmentation.
444 MasterBusRemoteControlID = 318,
445 MonitorBusRemoteControlID = 319,
448 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
449 uint32_t remote_control_id () const;
450 void set_remote_control_id_explicit (uint32_t order_key);
452 /* for things concerned about *this* route's RID */
454 PBD::Signal0<void> RemoteControlIDChanged;
456 /* for things concerned about *any* route's RID changes */
458 static PBD::Signal0<void> RemoteControlIDChange;
459 static PBD::Signal0<void> SyncOrderKeys;
461 bool has_external_redirects() const;
463 /* can only be executed by a route for which is_monitor() is true
464 (i.e. the monitor out)
466 void monitor_run (framepos_t start_frame, framepos_t end_frame,
467 pframes_t nframes, int declick);
470 friend class Session;
472 void catch_up_on_solo_mute_override ();
473 void mod_solo_by_others_upstream (int32_t);
474 void mod_solo_by_others_downstream (int32_t);
475 void curve_reallocate ();
476 virtual void set_block_size (pframes_t nframes);
479 virtual framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&) { return nframes; }
481 void fill_buffers_with_input (BufferSet& bufs, boost::shared_ptr<IO> io, pframes_t nframes);
483 void passthru (BufferSet&, framepos_t start_frame, framepos_t end_frame,
484 pframes_t nframes, int declick);
486 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
487 framecnt_t /* nframes */) {}
489 virtual void process_output_buffers (BufferSet& bufs,
490 framepos_t start_frame, framepos_t end_frame,
491 pframes_t nframes, int declick,
492 bool gain_automation_ok);
494 virtual void bounce_process (BufferSet& bufs,
495 framepos_t start_frame, framecnt_t nframes,
496 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
497 bool for_export, bool for_freeze);
499 framecnt_t bounce_get_latency (boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
500 ChanCount bounce_get_output_streams (ChanCount &cc, boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
502 boost::shared_ptr<IO> _input;
503 boost::shared_ptr<IO> _output;
506 framecnt_t _signal_latency;
507 framecnt_t _signal_latency_at_amp_position;
508 framecnt_t _initial_delay;
509 framecnt_t _roll_delay;
511 ProcessorList _processors;
512 mutable Glib::Threads::RWLock _processor_lock;
513 boost::shared_ptr<Delivery> _main_outs;
514 boost::shared_ptr<InternalSend> _monitor_send;
515 boost::shared_ptr<InternalReturn> _intreturn;
516 boost::shared_ptr<MonitorProcessor> _monitor_control;
517 boost::shared_ptr<Pannable> _pannable;
520 int _pending_declick;
521 MeterPoint _meter_point;
522 MeterType _meter_type;
523 boost::dynamic_bitset<> _phase_invert;
525 uint32_t _soloed_by_others_upstream;
526 uint32_t _soloed_by_others_downstream;
527 uint32_t _solo_isolated;
529 bool _denormal_protection;
531 bool _recordable : 1;
533 bool _declickable : 1;
535 boost::shared_ptr<SoloControllable> _solo_control;
536 boost::shared_ptr<MuteControllable> _mute_control;
537 boost::shared_ptr<MuteMaster> _mute_master;
539 virtual void act_on_mute () {}
541 std::string _comment;
542 bool _have_internal_generator;
544 DataType _default_type;
547 InstrumentInfo _instrument_info;
549 virtual ChanCount input_streams () const;
552 virtual XMLNode& state(bool);
554 int configure_processors (ProcessorStreams*);
556 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
557 pframes_t nframes, int declick);
559 void silence (framecnt_t);
560 void silence_unlocked (framecnt_t);
562 ChanCount processor_max_streams;
563 ChanCount processor_out_streams;
565 uint32_t pans_required() const;
566 ChanCount n_process_buffers ();
568 virtual void maybe_declick (BufferSet&, framecnt_t, int);
570 boost::shared_ptr<Amp> _amp;
571 boost::shared_ptr<Amp> _trim;
572 boost::shared_ptr<PeakMeter> _meter;
573 boost::shared_ptr<DelayLine> _delayline;
575 boost::shared_ptr<Processor> the_instrument_unlocked() const;
578 int set_state_2X (const XMLNode&, int);
579 void set_processor_state_2X (XMLNodeList const &, int);
583 uint32_t _remote_control_id;
585 int64_t _track_number;
587 void input_change_handler (IOChange, void *src);
588 void output_change_handler (IOChange, void *src);
590 bool input_port_count_changing (ChanCount);
591 bool output_port_count_changing (ChanCount);
593 bool _in_configure_processors;
594 bool _initial_io_setup;
596 int configure_processors_unlocked (ProcessorStreams*);
597 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
598 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
600 bool add_processor_from_xml_2X (const XMLNode&, int);
602 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
604 void set_self_solo (bool yn);
605 void set_mute_master_solo ();
607 void set_processor_positions ();
608 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
610 void setup_invisible_processors ();
613 boost::shared_ptr<CapturingProcessor> _capturing_processor;
615 /** A handy class to keep processor state while we attempt a reconfiguration
618 class ProcessorState {
620 ProcessorState (Route* r)
622 , _processors (r->_processors)
623 , _processor_max_streams (r->processor_max_streams)
627 _route->_processors = _processors;
628 _route->processor_max_streams = _processor_max_streams;
632 /* this should perhaps be a shared_ptr, but ProcessorStates will
633 not hang around long enough for it to matter.
636 ProcessorList _processors;
637 ChanCount _processor_max_streams;
640 friend class ProcessorState;
642 /* no copy construction */
643 Route (Route const &);
645 void maybe_note_meter_position ();
647 /** true if we've made a note of a custom meter position in these variables */
648 bool _custom_meter_position_noted;
649 /** the processor that came after the meter when it was last set to a custom position,
652 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
653 /** true if the last custom meter position was at the end of the processor list */
654 bool _last_custom_meter_was_at_end;
656 void reset_instrument_info ();
658 void set_remote_control_id_internal (uint32_t id, bool notify_class_listeners = true);
661 } // namespace ARDOUR
663 #endif /* __ardour_route_h__ */