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 uint32_t order_key (RouteSortOrderKey) const;
105 bool has_order_key (RouteSortOrderKey) const;
106 void set_order_key (RouteSortOrderKey, uint32_t);
107 void sync_order_keys (RouteSortOrderKey);
109 bool is_hidden() const { return _flags & Hidden; }
110 bool is_master() const { return _flags & MasterOut; }
111 bool is_monitor() const { return _flags & MonitorOut; }
113 virtual MonitorState monitoring_state () const;
114 virtual MeterState metering_state () const;
116 /* these are the core of the API of a Route. see the protected sections as well */
118 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
119 int declick, bool& need_butler);
121 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
122 bool state_changing);
124 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
127 virtual bool can_record() { return false; }
129 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
130 virtual bool record_enabled() const { return false; }
131 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
132 virtual void realtime_handle_transport_stopped () {}
133 virtual void realtime_locate () {}
134 virtual void set_pending_declick (int);
136 /* end of vfunc-based API */
138 void shift (framepos_t, framecnt_t);
140 void set_gain (gain_t val, void *src);
141 void inc_gain (gain_t delta, void *src);
143 void set_mute_points (MuteMaster::MutePoint);
144 MuteMaster::MutePoint mute_points () const;
147 void set_mute (bool yn, void* src);
149 /* controls use set_solo() to modify this route's solo state
152 void set_solo (bool yn, void *src);
153 bool soloed () const { return self_soloed () || soloed_by_others (); }
154 void cancel_solo_after_disconnect (bool upstream);
156 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
157 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
158 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
159 bool self_soloed () const { return _self_solo; }
161 void set_solo_isolated (bool yn, void *src);
162 bool solo_isolated() const;
164 void set_solo_safe (bool yn, void *src);
165 bool solo_safe() const;
167 void set_listen (bool yn, void* src);
168 bool listening_via_monitor () const;
169 void enable_monitor_send ();
171 void set_phase_invert (uint32_t, bool yn);
172 void set_phase_invert (boost::dynamic_bitset<>);
173 bool phase_invert (uint32_t) const;
174 boost::dynamic_bitset<> phase_invert () const;
176 void set_denormal_protection (bool yn);
177 bool denormal_protection() const;
179 void set_meter_point (MeterPoint, bool force = false);
180 MeterPoint meter_point() const { return _meter_point; }
185 boost::shared_ptr<Amp> amp() const { return _amp; }
186 PeakMeter& peak_meter() { return *_meter.get(); }
187 const PeakMeter& peak_meter() const { return *_meter.get(); }
188 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
190 void flush_processors ();
192 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
193 Glib::RWLock::ReaderLock lm (_processor_lock);
194 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
195 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
198 method (boost::weak_ptr<Processor> (*i));
202 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
203 Glib::RWLock::ReaderLock lm (_processor_lock);
204 ProcessorList::iterator i;
205 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
206 if (i == _processors.end()) {
207 return boost::shared_ptr<Processor> ();
213 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
215 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
216 boost::shared_ptr<Processor> nth_send (uint32_t n);
218 bool has_io_processor_named (const std::string&);
219 ChanCount max_processor_streams () const { return processor_max_streams; }
221 std::list<std::string> unknown_processors () const;
223 /* special processors */
225 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
226 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
227 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
228 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
229 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
230 void add_internal_return ();
231 void add_send_to_internal_return (InternalSend *);
232 void remove_send_from_internal_return (InternalSend *);
233 void listen_position_changed ();
234 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
236 /** A record of the stream configuration at some point in the processor list.
237 * Used to return where and why an processor list configuration request failed.
239 struct ProcessorStreams {
240 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
242 uint32_t index; ///< Index of processor where configuration failed
243 ChanCount count; ///< Input requested of processor
246 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
247 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
248 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
249 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
250 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
251 boost::shared_ptr<Processor> before_processor_for_index (int);
252 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
253 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
254 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
255 void disable_processors (Placement);
256 void disable_processors ();
257 void disable_plugins (Placement);
258 void disable_plugins ();
259 void ab_plugins (bool forward);
260 void clear_processors (Placement);
261 void all_visible_processors_active (bool);
263 framecnt_t set_private_port_latencies (bool playback) const;
264 void set_public_port_latencies (framecnt_t, bool playback) const;
266 framecnt_t update_signal_latency();
267 virtual void set_latency_compensation (framecnt_t);
269 void set_user_latency (framecnt_t);
270 framecnt_t initial_delay() const { return _initial_delay; }
271 framecnt_t signal_latency() const { return _signal_latency; }
273 PBD::Signal0<void> active_changed;
274 PBD::Signal0<void> phase_invert_changed;
275 PBD::Signal0<void> denormal_protection_changed;
276 PBD::Signal1<void,void*> listen_changed;
277 PBD::Signal2<void,bool,void*> solo_changed;
278 PBD::Signal1<void,void*> solo_safe_changed;
279 PBD::Signal1<void,void*> solo_isolated_changed;
280 PBD::Signal1<void,void*> comment_changed;
281 PBD::Signal1<void,void*> mute_changed;
282 PBD::Signal0<void> mute_points_changed;
284 /** the processors have changed; the parameter indicates what changed */
285 PBD::Signal1<void,RouteProcessorChange> processors_changed;
286 PBD::Signal1<void,void*> record_enable_changed;
287 /** the metering point has changed */
288 PBD::Signal0<void> meter_change;
289 PBD::Signal0<void> signal_latency_changed;
290 PBD::Signal0<void> initial_delay_changed;
292 /** Emitted with the process lock held */
293 PBD::Signal0<void> io_changed;
295 /* gui's call this for their own purposes. */
297 PBD::Signal2<void,std::string,void*> gui_changed;
301 XMLNode& get_state();
302 virtual int set_state (const XMLNode&, int version);
303 virtual XMLNode& get_template();
305 XMLNode& get_processor_state ();
306 virtual void set_processor_state (const XMLNode&);
308 int save_as_template (const std::string& path, const std::string& name);
310 PBD::Signal1<void,void*> SelectedChanged;
312 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
313 void remove_aux_or_listen (boost::shared_ptr<Route>);
316 * return true if this route feeds the first argument via at least one
317 * (arbitrarily long) signal pathway.
319 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
322 * return true if this route feeds the first argument directly, via
323 * either its main outs or a send. This is checked by the actual
324 * connections, rather than by what the graph is currently doing.
326 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
329 * return true if this route feeds the first argument directly, via
330 * either its main outs or a send, according to the graph that
331 * is currently being processed.
333 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
336 boost::weak_ptr<Route> r;
339 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
341 , sends_only (sendsonly) {}
344 struct FeedRecordCompare {
345 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
350 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
352 const FedBy& fed_by() const { return _fed_by; }
353 void clear_fed_by ();
354 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
356 /* Controls (not all directly owned by the Route */
358 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
360 class SoloControllable : public AutomationControl {
362 SoloControllable (std::string name, boost::shared_ptr<Route>);
363 void set_value (double);
364 double get_value () const;
367 boost::weak_ptr<Route> _route;
370 struct MuteControllable : public AutomationControl {
372 MuteControllable (std::string name, boost::shared_ptr<Route>);
373 void set_value (double);
374 double get_value () const;
377 boost::weak_ptr<Route> _route;
380 boost::shared_ptr<AutomationControl> solo_control() const {
381 return _solo_control;
384 boost::shared_ptr<AutomationControl> mute_control() const {
385 return _mute_control;
388 boost::shared_ptr<MuteMaster> mute_master() const {
392 /* Route doesn't own these items, but sub-objects that it does own have them
393 and to make UI code a bit simpler, we provide direct access to them
397 boost::shared_ptr<Panner> panner() const; /* may return null */
398 boost::shared_ptr<PannerShell> panner_shell() const;
399 boost::shared_ptr<AutomationControl> gain_control() const;
400 boost::shared_ptr<Pannable> pannable() const;
403 Return the first processor that accepts has at least one MIDI input
404 and at least one audio output. In the vast majority of cases, this
405 will be "the instrument". This does not preclude other MIDI->audio
406 processors later in the processing chain, but that would be a
407 special case not covered by this utility function.
409 boost::shared_ptr<Processor> the_instrument() const;
410 InstrumentInfo& instrument_info() { return _instrument_info; }
412 void automation_snapshot (framepos_t now, bool force=false);
413 void protect_automation ();
416 /* These numbers are taken from MIDI Machine Control,
417 which can only control up to 317 tracks without
418 doing sysex segmentation.
420 MasterBusRemoteControlID = 318,
421 MonitorBusRemoteControlID = 319,
424 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
425 uint32_t remote_control_id () const;
426 void set_remote_control_id_from_order_key (RouteSortOrderKey);
428 /* for things concerned about *this* route's RID */
430 PBD::Signal0<void> RemoteControlIDChanged;
432 /* for things concerned about *any* route's RID changes */
434 static PBD::Signal0<void> RemoteControlIDChange;
435 static PBD::Signal1<void,RouteSortOrderKey> 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;
522 uint32_t pans_required() const;
523 ChanCount n_process_buffers ();
525 virtual void maybe_declick (BufferSet&, framecnt_t, int);
527 boost::shared_ptr<Amp> _amp;
528 boost::shared_ptr<PeakMeter> _meter;
531 int set_state_2X (const XMLNode&, int);
532 void set_processor_state_2X (XMLNodeList const &, int);
534 static uint32_t order_key_cnt;
536 typedef std::map<RouteSortOrderKey,uint32_t> OrderKeys;
537 OrderKeys order_keys;
538 uint32_t _remote_control_id;
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;
607 void reset_instrument_info ();
610 } // namespace ARDOUR
612 #endif /* __ardour_route_h__ */