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 bool muted_by_others() const;
156 /* controls use set_solo() to modify this route's solo state
159 void set_solo (bool yn, void *src);
160 bool soloed () const { return self_soloed () || soloed_by_others (); }
161 void cancel_solo_after_disconnect (bool upstream);
163 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
164 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
165 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
166 bool self_soloed () const { return _self_solo; }
168 void set_solo_isolated (bool yn, void *src);
169 bool solo_isolated() const;
171 void set_solo_safe (bool yn, void *src);
172 bool solo_safe() const;
174 void set_listen (bool yn, void* src);
175 bool listening_via_monitor () const;
176 void enable_monitor_send ();
178 void set_phase_invert (uint32_t, bool yn);
179 void set_phase_invert (boost::dynamic_bitset<>);
180 bool phase_invert (uint32_t) const;
181 boost::dynamic_bitset<> phase_invert () const;
183 void set_denormal_protection (bool yn);
184 bool denormal_protection() const;
186 void set_meter_point (MeterPoint, bool force = false);
187 bool apply_processor_changes_rt ();
188 void emit_pending_signals ();
189 MeterPoint meter_point() const { return _pending_meter_point; }
191 void set_meter_type (MeterType t) { _meter_type = t; }
192 MeterType meter_type() const { return _meter_type; }
196 boost::shared_ptr<Amp> amp() const { return _amp; }
197 boost::shared_ptr<Amp> trim() const { return _trim; }
198 PeakMeter& peak_meter() { return *_meter.get(); }
199 const PeakMeter& peak_meter() const { return *_meter.get(); }
200 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
201 boost::shared_ptr<DelayLine> delay_line() const { return _delayline; }
203 void flush_processors ();
205 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
206 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
207 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
208 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
211 method (boost::weak_ptr<Processor> (*i));
215 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
216 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
217 ProcessorList::iterator i;
218 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
219 if (i == _processors.end()) {
220 return boost::shared_ptr<Processor> ();
226 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
228 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
229 boost::shared_ptr<Processor> nth_send (uint32_t n);
231 bool has_io_processor_named (const std::string&);
232 ChanCount max_processor_streams () const { return processor_max_streams; }
234 std::list<std::string> unknown_processors () const;
236 /* special processors */
238 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
239 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
240 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
241 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
242 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
243 void add_internal_return ();
244 void add_send_to_internal_return (InternalSend *);
245 void remove_send_from_internal_return (InternalSend *);
246 void listen_position_changed ();
247 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
249 /** A record of the stream configuration at some point in the processor list.
250 * Used to return where and why an processor list configuration request failed.
252 struct ProcessorStreams {
253 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
255 uint32_t index; ///< Index of processor where configuration failed
256 ChanCount count; ///< Input requested of processor
259 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
260 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
261 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
262 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
263 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
264 boost::shared_ptr<Processor> before_processor_for_index (int);
265 bool processors_reorder_needs_configure (const ProcessorList& new_order);
266 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
267 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
268 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
269 void disable_processors (Placement);
270 void disable_processors ();
271 void disable_plugins (Placement);
272 void disable_plugins ();
273 void ab_plugins (bool forward);
274 void clear_processors (Placement);
275 void all_visible_processors_active (bool);
277 framecnt_t set_private_port_latencies (bool playback) const;
278 void set_public_port_latencies (framecnt_t, bool playback) const;
280 framecnt_t update_signal_latency();
281 virtual void set_latency_compensation (framecnt_t);
283 void set_user_latency (framecnt_t);
284 framecnt_t initial_delay() const { return _initial_delay; }
285 framecnt_t signal_latency() const { return _signal_latency; }
287 PBD::Signal0<void> active_changed;
288 PBD::Signal0<void> phase_invert_changed;
289 PBD::Signal0<void> denormal_protection_changed;
290 PBD::Signal1<void,void*> listen_changed;
291 PBD::Signal2<void,bool,void*> solo_changed;
292 PBD::Signal1<void,void*> solo_safe_changed;
293 PBD::Signal1<void,void*> solo_isolated_changed;
294 PBD::Signal1<void,void*> comment_changed;
295 PBD::Signal1<void,void*> mute_changed;
296 PBD::Signal0<void> mute_points_changed;
298 /** track numbers - assigned by session
299 * nubers > 0 indicate tracks (audio+midi)
300 * nubers < 0 indicate busses
301 * zero is reserved for unnumbered special busses.
303 PBD::Signal0<void> track_number_changed;
304 int64_t track_number() const { return _track_number; }
306 void set_track_number(int64_t tn) {
307 if (tn == _track_number) { return; }
309 track_number_changed();
310 PropertyChanged (ARDOUR::Properties::name);
313 /** the processors have changed; the parameter indicates what changed */
314 PBD::Signal1<void,RouteProcessorChange> processors_changed;
315 PBD::Signal1<void,void*> record_enable_changed;
316 /** the metering point has changed */
317 PBD::Signal0<void> meter_change;
318 PBD::Signal0<void> signal_latency_changed;
319 PBD::Signal0<void> initial_delay_changed;
321 /** Emitted with the process lock held */
322 PBD::Signal0<void> io_changed;
324 /* gui's call this for their own purposes. */
326 PBD::Signal2<void,std::string,void*> gui_changed;
330 XMLNode& get_state();
331 virtual int set_state (const XMLNode&, int version);
332 virtual XMLNode& get_template();
334 XMLNode& get_processor_state ();
335 virtual void set_processor_state (const XMLNode&);
337 int save_as_template (const std::string& path, const std::string& name);
339 PBD::Signal1<void,void*> SelectedChanged;
341 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
342 void remove_aux_or_listen (boost::shared_ptr<Route>);
345 * return true if this route feeds the first argument via at least one
346 * (arbitrarily long) signal pathway.
348 bool feeds (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. This is checked by the actual
353 * connections, rather than by what the graph is currently doing.
355 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
358 * return true if this route feeds the first argument directly, via
359 * either its main outs or a send, according to the graph that
360 * is currently being processed.
362 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
365 boost::weak_ptr<Route> r;
368 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
370 , sends_only (sendsonly) {}
373 struct FeedRecordCompare {
374 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
379 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
381 const FedBy& fed_by() const { return _fed_by; }
382 void clear_fed_by ();
383 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
385 /* Controls (not all directly owned by the Route */
387 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
389 class SoloControllable : public AutomationControl {
391 SoloControllable (std::string name, boost::shared_ptr<Route>);
392 void set_value (double);
393 double get_value () const;
396 boost::weak_ptr<Route> _route;
399 struct MuteControllable : public AutomationControl {
401 MuteControllable (std::string name, boost::shared_ptr<Route>);
402 void set_value (double);
403 double get_value () const;
405 /* Pretend to change value, but do not affect actual route mute. */
406 void set_superficial_value(bool muted);
409 boost::weak_ptr<Route> _route;
412 boost::shared_ptr<SoloControllable> solo_control() const {
413 return _solo_control;
416 boost::shared_ptr<MuteControllable> mute_control() const {
417 return _mute_control;
420 boost::shared_ptr<MuteMaster> mute_master() const {
424 /* Route doesn't own these items, but sub-objects that it does own have them
425 and to make UI code a bit simpler, we provide direct access to them
429 boost::shared_ptr<Panner> panner() const; /* may return null */
430 boost::shared_ptr<PannerShell> panner_shell() const;
431 boost::shared_ptr<AutomationControl> gain_control() const;
432 boost::shared_ptr<Pannable> pannable() const;
435 Return the first processor that accepts has at least one MIDI input
436 and at least one audio output. In the vast majority of cases, this
437 will be "the instrument". This does not preclude other MIDI->audio
438 processors later in the processing chain, but that would be a
439 special case not covered by this utility function.
441 boost::shared_ptr<Processor> the_instrument() const;
442 InstrumentInfo& instrument_info() { return _instrument_info; }
444 void protect_automation ();
447 /* These numbers are taken from MIDI Machine Control,
448 which can only control up to 317 tracks without
449 doing sysex segmentation.
451 MasterBusRemoteControlID = 318,
452 MonitorBusRemoteControlID = 319,
455 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
456 uint32_t remote_control_id () const;
457 void set_remote_control_id_explicit (uint32_t order_key);
459 /* for things concerned about *this* route's RID */
461 PBD::Signal0<void> RemoteControlIDChanged;
463 /* for things concerned about *any* route's RID changes */
465 static PBD::Signal0<void> RemoteControlIDChange;
466 static PBD::Signal0<void> SyncOrderKeys;
468 bool has_external_redirects() const;
470 /* can only be executed by a route for which is_monitor() is true
471 (i.e. the monitor out)
473 void monitor_run (framepos_t start_frame, framepos_t end_frame,
474 pframes_t nframes, int declick);
477 friend class Session;
479 void catch_up_on_solo_mute_override ();
480 void mod_solo_by_others_upstream (int32_t);
481 void mod_solo_by_others_downstream (int32_t);
482 void curve_reallocate ();
483 virtual void set_block_size (pframes_t nframes);
486 virtual framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&) { return nframes; }
488 void fill_buffers_with_input (BufferSet& bufs, boost::shared_ptr<IO> io, pframes_t nframes);
490 void passthru (BufferSet&, framepos_t start_frame, framepos_t end_frame,
491 pframes_t nframes, int declick);
493 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
494 framecnt_t /* nframes */) {}
496 virtual void process_output_buffers (BufferSet& bufs,
497 framepos_t start_frame, framepos_t end_frame,
498 pframes_t nframes, int declick,
499 bool gain_automation_ok);
501 virtual void bounce_process (BufferSet& bufs,
502 framepos_t start_frame, framecnt_t nframes,
503 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
504 bool for_export, bool for_freeze);
506 framecnt_t bounce_get_latency (boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
507 ChanCount bounce_get_output_streams (ChanCount &cc, boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
509 boost::shared_ptr<IO> _input;
510 boost::shared_ptr<IO> _output;
513 framecnt_t _signal_latency;
514 framecnt_t _signal_latency_at_amp_position;
515 framecnt_t _signal_latency_at_trim_position;
516 framecnt_t _initial_delay;
517 framecnt_t _roll_delay;
519 ProcessorList _processors;
520 mutable Glib::Threads::RWLock _processor_lock;
521 boost::shared_ptr<Delivery> _main_outs;
522 boost::shared_ptr<InternalSend> _monitor_send;
523 boost::shared_ptr<InternalReturn> _intreturn;
524 boost::shared_ptr<MonitorProcessor> _monitor_control;
525 boost::shared_ptr<Pannable> _pannable;
529 EmitMeterChanged = 0x01,
530 EmitMeterVisibilityChange = 0x02,
531 EmitRtProcessorChange = 0x04
534 ProcessorList _pending_processor_order;
535 gint _pending_process_reorder; // atomic
536 gint _pending_signals; // atomic
539 int _pending_declick;
540 MeterPoint _meter_point;
541 MeterPoint _pending_meter_point;
542 MeterType _meter_type;
543 boost::dynamic_bitset<> _phase_invert;
545 uint32_t _soloed_by_others_upstream;
546 uint32_t _soloed_by_others_downstream;
547 uint32_t _solo_isolated;
549 bool _denormal_protection;
551 bool _recordable : 1;
553 bool _declickable : 1;
555 boost::shared_ptr<SoloControllable> _solo_control;
556 boost::shared_ptr<MuteControllable> _mute_control;
557 boost::shared_ptr<MuteMaster> _mute_master;
559 virtual void act_on_mute () {}
561 std::string _comment;
562 bool _have_internal_generator;
564 DataType _default_type;
567 InstrumentInfo _instrument_info;
569 virtual ChanCount input_streams () const;
572 virtual XMLNode& state(bool);
574 int configure_processors (ProcessorStreams*);
576 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
577 pframes_t nframes, int declick);
579 void silence (framecnt_t);
580 void silence_unlocked (framecnt_t);
582 ChanCount processor_max_streams;
583 ChanCount processor_out_streams;
585 uint32_t pans_required() const;
586 ChanCount n_process_buffers ();
588 virtual void maybe_declick (BufferSet&, framecnt_t, int);
590 boost::shared_ptr<Amp> _amp;
591 boost::shared_ptr<Amp> _trim;
592 boost::shared_ptr<PeakMeter> _meter;
593 boost::shared_ptr<DelayLine> _delayline;
595 boost::shared_ptr<Processor> the_instrument_unlocked() const;
598 int set_state_2X (const XMLNode&, int);
599 void set_processor_state_2X (XMLNodeList const &, int);
603 uint32_t _remote_control_id;
605 int64_t _track_number;
607 void input_change_handler (IOChange, void *src);
608 void output_change_handler (IOChange, void *src);
610 bool input_port_count_changing (ChanCount);
611 bool output_port_count_changing (ChanCount);
613 bool _in_configure_processors;
614 bool _initial_io_setup;
616 int configure_processors_unlocked (ProcessorStreams*);
617 bool set_meter_point_unlocked ();
618 void apply_processor_order (const ProcessorList& new_order);
620 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
621 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
623 bool add_processor_from_xml_2X (const XMLNode&, int);
625 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
627 void set_self_solo (bool yn);
628 void set_mute_master_solo ();
630 void set_processor_positions ();
631 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
633 void setup_invisible_processors ();
636 boost::shared_ptr<CapturingProcessor> _capturing_processor;
638 /** A handy class to keep processor state while we attempt a reconfiguration
641 class ProcessorState {
643 ProcessorState (Route* r)
645 , _processors (r->_processors)
646 , _processor_max_streams (r->processor_max_streams)
650 _route->_processors = _processors;
651 _route->processor_max_streams = _processor_max_streams;
655 /* this should perhaps be a shared_ptr, but ProcessorStates will
656 not hang around long enough for it to matter.
659 ProcessorList _processors;
660 ChanCount _processor_max_streams;
663 friend class ProcessorState;
665 /* no copy construction */
666 Route (Route const &);
668 void maybe_note_meter_position ();
670 /** true if we've made a note of a custom meter position in these variables */
671 bool _custom_meter_position_noted;
672 /** the processor that came after the meter when it was last set to a custom position,
675 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
677 void reset_instrument_info ();
679 void set_remote_control_id_internal (uint32_t id, bool notify_class_listeners = true);
682 } // namespace ARDOUR
684 #endif /* __ardour_route_h__ */