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/thread.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/types.h"
47 #include "ardour/mute_master.h"
48 #include "ardour/route_group_member.h"
49 #include "ardour/graphnode.h"
50 #include "ardour/automatable.h"
51 #include "ardour/unknown_processor.h"
65 class MonitorProcessor;
67 class CapturingProcessor;
70 class Route : public SessionObject, public Automatable, public RouteGroupMember, public GraphNode, public boost::enable_shared_from_this<Route>
74 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
82 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
87 boost::shared_ptr<IO> input() const { return _input; }
88 boost::shared_ptr<IO> output() const { return _output; }
90 ChanCount n_inputs() const { return _input->n_ports(); }
91 ChanCount n_outputs() const { return _output->n_ports(); }
93 bool active() const { return _active; }
94 void set_active (bool yn, void *);
96 static std::string ensure_track_or_route_name(std::string, Session &);
98 std::string comment() { return _comment; }
99 void set_comment (std::string str, void *src);
101 bool set_name (const std::string& str);
102 static void set_name_in_state (XMLNode &, const std::string &);
104 int32_t order_key (std::string const &) const;
105 void set_order_key (std::string const &, int32_t);
107 bool is_hidden() const { return _flags & Hidden; }
108 bool is_master() const { return _flags & MasterOut; }
109 bool is_monitor() const { return _flags & MonitorOut; }
111 virtual MonitorState monitoring_state () const;
112 virtual MeterState metering_state () const;
114 /* these are the core of the API of a Route. see the protected sections as well */
116 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
117 int declick, bool& need_butler);
119 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
120 bool state_changing);
122 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
125 virtual bool can_record() { return false; }
127 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
128 virtual bool record_enabled() const { return false; }
129 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
130 virtual void realtime_handle_transport_stopped () {}
131 virtual void realtime_locate () {}
132 virtual void set_pending_declick (int);
134 /* end of vfunc-based API */
136 void shift (framepos_t, framecnt_t);
138 void set_gain (gain_t val, void *src);
139 void inc_gain (gain_t delta, void *src);
141 void set_mute_points (MuteMaster::MutePoint);
142 MuteMaster::MutePoint mute_points () const;
145 void set_mute (bool yn, void* src);
147 /* controls use set_solo() to modify this route's solo state
150 void set_solo (bool yn, void *src);
151 bool soloed () const { return self_soloed () || soloed_by_others (); }
152 void cancel_solo_after_disconnect (bool upstream);
154 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
155 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
156 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
157 bool self_soloed () const { return _self_solo; }
159 void set_solo_isolated (bool yn, void *src);
160 bool solo_isolated() const;
162 void set_solo_safe (bool yn, void *src);
163 bool solo_safe() const;
165 void set_listen (bool yn, void* src);
166 bool listening_via_monitor () const;
167 void enable_monitor_send ();
169 void set_phase_invert (uint32_t, bool yn);
170 void set_phase_invert (boost::dynamic_bitset<>);
171 bool phase_invert (uint32_t) const;
172 boost::dynamic_bitset<> phase_invert () const;
174 void set_denormal_protection (bool yn);
175 bool denormal_protection() const;
177 void set_meter_point (MeterPoint, bool force = false);
178 MeterPoint meter_point() const { return _meter_point; }
183 boost::shared_ptr<Amp> amp() const { return _amp; }
184 PeakMeter& peak_meter() { return *_meter.get(); }
185 const PeakMeter& peak_meter() const { return *_meter.get(); }
186 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
188 void flush_processors ();
190 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
191 Glib::RWLock::ReaderLock lm (_processor_lock);
192 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
193 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
196 method (boost::weak_ptr<Processor> (*i));
200 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
201 Glib::RWLock::ReaderLock lm (_processor_lock);
202 ProcessorList::iterator i;
203 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
204 if (i == _processors.end()) {
205 return boost::shared_ptr<Processor> ();
211 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
213 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
214 boost::shared_ptr<Processor> nth_send (uint32_t n);
216 bool has_io_processor_named (const std::string&);
217 ChanCount max_processor_streams () const { return processor_max_streams; }
219 std::list<std::string> unknown_processors () const;
221 /* special processors */
223 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
224 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
225 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
226 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
227 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
228 void add_internal_return ();
229 void add_send_to_internal_return (InternalSend *);
230 void remove_send_from_internal_return (InternalSend *);
231 void listen_position_changed ();
232 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
234 /** A record of the stream configuration at some point in the processor list.
235 * Used to return where and why an processor list configuration request failed.
237 struct ProcessorStreams {
238 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
240 uint32_t index; ///< Index of processor where configuration failed
241 ChanCount count; ///< Input requested of processor
244 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
245 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
246 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
247 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
248 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
249 boost::shared_ptr<Processor> before_processor_for_index (int);
250 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
251 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
252 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
253 void disable_processors (Placement);
254 void disable_processors ();
255 void disable_plugins (Placement);
256 void disable_plugins ();
257 void ab_plugins (bool forward);
258 void clear_processors (Placement);
259 void all_visible_processors_active (bool);
261 framecnt_t set_private_port_latencies (bool playback) const;
262 void set_public_port_latencies (framecnt_t, bool playback) const;
264 framecnt_t update_signal_latency();
265 virtual void set_latency_compensation (framecnt_t);
267 void set_user_latency (framecnt_t);
268 framecnt_t initial_delay() const { return _initial_delay; }
269 framecnt_t signal_latency() const { return _signal_latency; }
271 PBD::Signal0<void> active_changed;
272 PBD::Signal0<void> phase_invert_changed;
273 PBD::Signal0<void> denormal_protection_changed;
274 PBD::Signal1<void,void*> listen_changed;
275 PBD::Signal2<void,bool,void*> solo_changed;
276 PBD::Signal1<void,void*> solo_safe_changed;
277 PBD::Signal1<void,void*> solo_isolated_changed;
278 PBD::Signal1<void,void*> comment_changed;
279 PBD::Signal1<void,void*> mute_changed;
280 PBD::Signal0<void> mute_points_changed;
282 /** the processors have changed; the parameter indicates what changed */
283 PBD::Signal1<void,RouteProcessorChange> processors_changed;
284 PBD::Signal1<void,void*> record_enable_changed;
285 /** the metering point has changed */
286 PBD::Signal0<void> meter_change;
287 PBD::Signal0<void> signal_latency_changed;
288 PBD::Signal0<void> initial_delay_changed;
289 PBD::Signal0<void> order_key_changed;
291 /** Emitted with the process lock held */
292 PBD::Signal0<void> io_changed;
294 /* gui's call this for their own purposes. */
296 PBD::Signal2<void,std::string,void*> gui_changed;
300 XMLNode& get_state();
301 virtual int set_state (const XMLNode&, int version);
302 virtual XMLNode& get_template();
304 XMLNode& get_processor_state ();
305 virtual void set_processor_state (const XMLNode&);
307 int save_as_template (const std::string& path, const std::string& name);
309 PBD::Signal1<void,void*> SelectedChanged;
311 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
312 void remove_aux_or_listen (boost::shared_ptr<Route>);
315 * return true if this route feeds the first argument via at least one
316 * (arbitrarily long) signal pathway.
318 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
321 * return true if this route feeds the first argument directly, via
322 * either its main outs or a send. This is checked by the actual
323 * connections, rather than by what the graph is currently doing.
325 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
328 * return true if this route feeds the first argument directly, via
329 * either its main outs or a send, according to the graph that
330 * is currently being processed.
332 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
335 boost::weak_ptr<Route> r;
338 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
340 , sends_only (sendsonly) {}
343 struct FeedRecordCompare {
344 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
349 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
351 const FedBy& fed_by() const { return _fed_by; }
352 void clear_fed_by ();
353 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
355 /* Controls (not all directly owned by the Route */
357 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
359 class SoloControllable : public AutomationControl {
361 SoloControllable (std::string name, boost::shared_ptr<Route>);
362 void set_value (double);
363 double get_value () const;
366 boost::weak_ptr<Route> _route;
369 struct MuteControllable : public AutomationControl {
371 MuteControllable (std::string name, boost::shared_ptr<Route>);
372 void set_value (double);
373 double get_value () const;
376 boost::weak_ptr<Route> _route;
379 boost::shared_ptr<AutomationControl> solo_control() const {
380 return _solo_control;
383 boost::shared_ptr<AutomationControl> mute_control() const {
384 return _mute_control;
387 boost::shared_ptr<MuteMaster> mute_master() const {
391 /* Route doesn't own these items, but sub-objects that it does own have them
392 and to make UI code a bit simpler, we provide direct access to them
396 boost::shared_ptr<Panner> panner() const; /* may return null */
397 boost::shared_ptr<PannerShell> panner_shell() const;
398 boost::shared_ptr<AutomationControl> gain_control() const;
399 boost::shared_ptr<Pannable> pannable() const;
402 Return the first processor that accepts has at least one MIDI input
403 and at least one audio output. In the vast majority of cases, this
404 will be "the instrument". This does not preclude other MIDI->audio
405 processors later in the processing chain, but that would be a
406 special case not covered by this utility function.
408 boost::shared_ptr<Processor> the_instrument() const;
409 InstrumentInfo& instrument_info() { return _instrument_info; }
411 void automation_snapshot (framepos_t now, bool force=false);
412 void protect_automation ();
415 /* These numbers are taken from MIDI Machine Control,
416 which can only control up to 317 tracks without
417 doing sysex segmentation.
419 MasterBusRemoteControlID = 318,
420 MonitorBusRemoteControlID = 319,
423 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
424 uint32_t remote_control_id () const;
426 /* for things concerned about *this* route's RID */
428 PBD::Signal0<void> RemoteControlIDChanged;
430 /* for things concerned about any route's RID changes */
432 static PBD::Signal0<void> RemoteControlIDChange;
434 void sync_order_keys (std::string const &);
435 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
437 bool has_external_redirects() const;
440 friend class Session;
442 void catch_up_on_solo_mute_override ();
443 void mod_solo_by_others_upstream (int32_t);
444 void mod_solo_by_others_downstream (int32_t);
445 void curve_reallocate ();
446 virtual void set_block_size (pframes_t nframes);
449 virtual framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&) { return nframes; }
451 void passthru (framepos_t start_frame, framepos_t end_frame,
452 pframes_t nframes, int declick);
454 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
455 framecnt_t /* nframes */) {}
457 virtual void process_output_buffers (BufferSet& bufs,
458 framepos_t start_frame, framepos_t end_frame,
459 pframes_t nframes, int declick,
460 bool gain_automation_ok);
462 boost::shared_ptr<IO> _input;
463 boost::shared_ptr<IO> _output;
466 framecnt_t _signal_latency;
467 framecnt_t _initial_delay;
468 framecnt_t _roll_delay;
470 ProcessorList _processors;
471 mutable Glib::RWLock _processor_lock;
472 boost::shared_ptr<Delivery> _main_outs;
473 boost::shared_ptr<InternalSend> _monitor_send;
474 boost::shared_ptr<InternalReturn> _intreturn;
475 boost::shared_ptr<MonitorProcessor> _monitor_control;
476 boost::shared_ptr<Pannable> _pannable;
479 int _pending_declick;
480 MeterPoint _meter_point;
481 boost::dynamic_bitset<> _phase_invert;
483 uint32_t _soloed_by_others_upstream;
484 uint32_t _soloed_by_others_downstream;
485 uint32_t _solo_isolated;
487 bool _denormal_protection;
489 bool _recordable : 1;
491 bool _declickable : 1;
493 boost::shared_ptr<SoloControllable> _solo_control;
494 boost::shared_ptr<MuteControllable> _mute_control;
495 boost::shared_ptr<MuteMaster> _mute_master;
497 virtual void act_on_mute () {}
499 std::string _comment;
500 bool _have_internal_generator;
502 DataType _default_type;
505 InstrumentInfo _instrument_info;
507 virtual ChanCount input_streams () const;
510 virtual XMLNode& state(bool);
512 int configure_processors (ProcessorStreams*);
514 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
515 pframes_t nframes, int declick);
517 void silence (framecnt_t);
518 void silence_unlocked (framecnt_t);
520 ChanCount processor_max_streams;
521 uint32_t _remote_control_id;
523 uint32_t pans_required() const;
524 ChanCount n_process_buffers ();
526 virtual void maybe_declick (BufferSet&, framecnt_t, int);
528 boost::shared_ptr<Amp> _amp;
529 boost::shared_ptr<PeakMeter> _meter;
532 int set_state_2X (const XMLNode&, int);
533 void set_processor_state_2X (XMLNodeList const &, int);
535 static uint32_t order_key_cnt;
537 typedef std::map<std::string, long> OrderKeys;
538 OrderKeys order_keys;
540 void input_change_handler (IOChange, void *src);
541 void output_change_handler (IOChange, void *src);
543 bool input_port_count_changing (ChanCount);
545 bool _in_configure_processors;
547 int configure_processors_unlocked (ProcessorStreams*);
548 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
549 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
551 bool add_processor_from_xml_2X (const XMLNode&, int);
553 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
555 void set_self_solo (bool yn);
556 void set_mute_master_solo ();
558 void set_processor_positions ();
559 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
561 void setup_invisible_processors ();
564 boost::shared_ptr<CapturingProcessor> _capturing_processor;
566 /** A handy class to keep processor state while we attempt a reconfiguration
569 class ProcessorState {
571 ProcessorState (Route* r)
573 , _processors (r->_processors)
574 , _processor_max_streams (r->processor_max_streams)
578 _route->_processors = _processors;
579 _route->processor_max_streams = _processor_max_streams;
583 /* this should perhaps be a shared_ptr, but ProcessorStates will
584 not hang around long enough for it to matter.
587 ProcessorList _processors;
588 ChanCount _processor_max_streams;
591 friend class ProcessorState;
593 /* no copy construction */
594 Route (Route const &);
596 void maybe_note_meter_position ();
598 /** true if we've made a note of a custom meter position in these variables */
599 bool _custom_meter_position_noted;
600 /** the processor that came after the meter when it was last set to a custom position,
603 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
604 /** true if the last custom meter position was at the end of the processor list */
605 bool _last_custom_meter_was_at_end;
608 } // namespace ARDOUR
610 #endif /* __ardour_route_h__ */