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 PeakMeter& peak_meter() { return *_meter.get(); }
192 const PeakMeter& peak_meter() const { return *_meter.get(); }
193 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
194 boost::shared_ptr<DelayLine> delay_line() const { return _delayline; }
196 void flush_processors ();
198 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
199 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
200 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
201 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
204 method (boost::weak_ptr<Processor> (*i));
208 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
209 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
210 ProcessorList::iterator i;
211 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
212 if (i == _processors.end()) {
213 return boost::shared_ptr<Processor> ();
219 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
221 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
222 boost::shared_ptr<Processor> nth_send (uint32_t n);
224 bool has_io_processor_named (const std::string&);
225 ChanCount max_processor_streams () const { return processor_max_streams; }
227 std::list<std::string> unknown_processors () const;
229 /* special processors */
231 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
232 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
233 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
234 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
235 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
236 void add_internal_return ();
237 void add_send_to_internal_return (InternalSend *);
238 void remove_send_from_internal_return (InternalSend *);
239 void listen_position_changed ();
240 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
242 /** A record of the stream configuration at some point in the processor list.
243 * Used to return where and why an processor list configuration request failed.
245 struct ProcessorStreams {
246 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
248 uint32_t index; ///< Index of processor where configuration failed
249 ChanCount count; ///< Input requested of processor
252 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
253 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
254 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
255 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
256 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
257 boost::shared_ptr<Processor> before_processor_for_index (int);
258 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
259 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
260 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
261 void disable_processors (Placement);
262 void disable_processors ();
263 void disable_plugins (Placement);
264 void disable_plugins ();
265 void ab_plugins (bool forward);
266 void clear_processors (Placement);
267 void all_visible_processors_active (bool);
269 framecnt_t set_private_port_latencies (bool playback) const;
270 void set_public_port_latencies (framecnt_t, bool playback) const;
272 framecnt_t update_signal_latency();
273 virtual void set_latency_compensation (framecnt_t);
275 void set_user_latency (framecnt_t);
276 framecnt_t initial_delay() const { return _initial_delay; }
277 framecnt_t signal_latency() const { return _signal_latency; }
279 PBD::Signal0<void> active_changed;
280 PBD::Signal0<void> phase_invert_changed;
281 PBD::Signal0<void> denormal_protection_changed;
282 PBD::Signal1<void,void*> listen_changed;
283 PBD::Signal2<void,bool,void*> solo_changed;
284 PBD::Signal1<void,void*> solo_safe_changed;
285 PBD::Signal1<void,void*> solo_isolated_changed;
286 PBD::Signal1<void,void*> comment_changed;
287 PBD::Signal1<void,void*> mute_changed;
288 PBD::Signal0<void> mute_points_changed;
290 /** track numbers - assigned by session
291 * nubers > 0 indicate tracks (audio+midi)
292 * nubers < 0 indicate busses
293 * zero is reserved for unnumbered special busses.
295 PBD::Signal0<void> track_number_changed;
296 int64_t track_number() const { return _track_number; }
298 void set_track_number(int64_t tn) {
299 if (tn == _track_number) { return; }
301 track_number_changed();
302 PropertyChanged (ARDOUR::Properties::name);
305 /** the processors have changed; the parameter indicates what changed */
306 PBD::Signal1<void,RouteProcessorChange> processors_changed;
307 PBD::Signal1<void,void*> record_enable_changed;
308 /** the metering point has changed */
309 PBD::Signal0<void> meter_change;
310 PBD::Signal0<void> signal_latency_changed;
311 PBD::Signal0<void> initial_delay_changed;
313 /** Emitted with the process lock held */
314 PBD::Signal0<void> io_changed;
316 /* gui's call this for their own purposes. */
318 PBD::Signal2<void,std::string,void*> gui_changed;
322 XMLNode& get_state();
323 virtual int set_state (const XMLNode&, int version);
324 virtual XMLNode& get_template();
326 XMLNode& get_processor_state ();
327 virtual void set_processor_state (const XMLNode&);
329 int save_as_template (const std::string& path, const std::string& name);
331 PBD::Signal1<void,void*> SelectedChanged;
333 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
334 void remove_aux_or_listen (boost::shared_ptr<Route>);
337 * return true if this route feeds the first argument via at least one
338 * (arbitrarily long) signal pathway.
340 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
343 * return true if this route feeds the first argument directly, via
344 * either its main outs or a send. This is checked by the actual
345 * connections, rather than by what the graph is currently doing.
347 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
350 * return true if this route feeds the first argument directly, via
351 * either its main outs or a send, according to the graph that
352 * is currently being processed.
354 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
357 boost::weak_ptr<Route> r;
360 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
362 , sends_only (sendsonly) {}
365 struct FeedRecordCompare {
366 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
371 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
373 const FedBy& fed_by() const { return _fed_by; }
374 void clear_fed_by ();
375 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
377 /* Controls (not all directly owned by the Route */
379 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
381 class SoloControllable : public AutomationControl {
383 SoloControllable (std::string name, boost::shared_ptr<Route>);
384 void set_value (double);
385 double get_value () const;
388 boost::weak_ptr<Route> _route;
391 struct MuteControllable : public AutomationControl {
393 MuteControllable (std::string name, boost::shared_ptr<Route>);
394 void set_value (double);
395 double get_value () const;
397 /* Pretend to change value, but do not affect actual route mute. */
398 void set_superficial_value(bool muted);
401 boost::weak_ptr<Route> _route;
404 boost::shared_ptr<SoloControllable> solo_control() const {
405 return _solo_control;
408 boost::shared_ptr<MuteControllable> mute_control() const {
409 return _mute_control;
412 boost::shared_ptr<MuteMaster> mute_master() const {
416 /* Route doesn't own these items, but sub-objects that it does own have them
417 and to make UI code a bit simpler, we provide direct access to them
421 boost::shared_ptr<Panner> panner() const; /* may return null */
422 boost::shared_ptr<PannerShell> panner_shell() const;
423 boost::shared_ptr<AutomationControl> gain_control() const;
424 boost::shared_ptr<Pannable> pannable() const;
427 Return the first processor that accepts has at least one MIDI input
428 and at least one audio output. In the vast majority of cases, this
429 will be "the instrument". This does not preclude other MIDI->audio
430 processors later in the processing chain, but that would be a
431 special case not covered by this utility function.
433 boost::shared_ptr<Processor> the_instrument() const;
434 InstrumentInfo& instrument_info() { return _instrument_info; }
436 void protect_automation ();
439 /* These numbers are taken from MIDI Machine Control,
440 which can only control up to 317 tracks without
441 doing sysex segmentation.
443 MasterBusRemoteControlID = 318,
444 MonitorBusRemoteControlID = 319,
447 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
448 uint32_t remote_control_id () const;
449 void set_remote_control_id_explicit (uint32_t order_key);
451 /* for things concerned about *this* route's RID */
453 PBD::Signal0<void> RemoteControlIDChanged;
455 /* for things concerned about *any* route's RID changes */
457 static PBD::Signal0<void> RemoteControlIDChange;
458 static PBD::Signal0<void> SyncOrderKeys;
460 bool has_external_redirects() const;
462 /* can only be executed by a route for which is_monitor() is true
463 (i.e. the monitor out)
465 void monitor_run (framepos_t start_frame, framepos_t end_frame,
466 pframes_t nframes, int declick);
469 friend class Session;
471 void catch_up_on_solo_mute_override ();
472 void mod_solo_by_others_upstream (int32_t);
473 void mod_solo_by_others_downstream (int32_t);
474 void curve_reallocate ();
475 virtual void set_block_size (pframes_t nframes);
478 virtual framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&) { return nframes; }
480 void fill_buffers_with_input (BufferSet& bufs, boost::shared_ptr<IO> io, pframes_t nframes);
482 void passthru (BufferSet&, framepos_t start_frame, framepos_t end_frame,
483 pframes_t nframes, int declick);
485 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
486 framecnt_t /* nframes */) {}
488 virtual void process_output_buffers (BufferSet& bufs,
489 framepos_t start_frame, framepos_t end_frame,
490 pframes_t nframes, int declick,
491 bool gain_automation_ok);
493 virtual void bounce_process (BufferSet& bufs,
494 framepos_t start_frame, framecnt_t nframes,
495 boost::shared_ptr<Processor> endpoint, bool include_endpoint,
496 bool for_export, bool for_freeze);
498 framecnt_t bounce_get_latency (boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
499 ChanCount bounce_get_output_streams (ChanCount &cc, boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze) const;
501 boost::shared_ptr<IO> _input;
502 boost::shared_ptr<IO> _output;
505 framecnt_t _signal_latency;
506 framecnt_t _signal_latency_at_amp_position;
507 framecnt_t _initial_delay;
508 framecnt_t _roll_delay;
510 ProcessorList _processors;
511 mutable Glib::Threads::RWLock _processor_lock;
512 boost::shared_ptr<Delivery> _main_outs;
513 boost::shared_ptr<InternalSend> _monitor_send;
514 boost::shared_ptr<InternalReturn> _intreturn;
515 boost::shared_ptr<MonitorProcessor> _monitor_control;
516 boost::shared_ptr<Pannable> _pannable;
519 int _pending_declick;
520 MeterPoint _meter_point;
521 MeterType _meter_type;
522 boost::dynamic_bitset<> _phase_invert;
524 uint32_t _soloed_by_others_upstream;
525 uint32_t _soloed_by_others_downstream;
526 uint32_t _solo_isolated;
528 bool _denormal_protection;
530 bool _recordable : 1;
532 bool _declickable : 1;
534 boost::shared_ptr<SoloControllable> _solo_control;
535 boost::shared_ptr<MuteControllable> _mute_control;
536 boost::shared_ptr<MuteMaster> _mute_master;
538 virtual void act_on_mute () {}
540 std::string _comment;
541 bool _have_internal_generator;
543 DataType _default_type;
546 InstrumentInfo _instrument_info;
548 virtual ChanCount input_streams () const;
551 virtual XMLNode& state(bool);
553 int configure_processors (ProcessorStreams*);
555 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
556 pframes_t nframes, int declick);
558 void silence (framecnt_t);
559 void silence_unlocked (framecnt_t);
561 ChanCount processor_max_streams;
562 ChanCount processor_out_streams;
564 uint32_t pans_required() const;
565 ChanCount n_process_buffers ();
567 virtual void maybe_declick (BufferSet&, framecnt_t, int);
569 boost::shared_ptr<Amp> _amp;
570 boost::shared_ptr<PeakMeter> _meter;
571 boost::shared_ptr<DelayLine> _delayline;
573 boost::shared_ptr<Processor> the_instrument_unlocked() const;
576 int set_state_2X (const XMLNode&, int);
577 void set_processor_state_2X (XMLNodeList const &, int);
581 uint32_t _remote_control_id;
583 int64_t _track_number;
585 void input_change_handler (IOChange, void *src);
586 void output_change_handler (IOChange, void *src);
588 bool input_port_count_changing (ChanCount);
589 bool output_port_count_changing (ChanCount);
591 bool _in_configure_processors;
592 bool _initial_io_setup;
594 int configure_processors_unlocked (ProcessorStreams*);
595 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
596 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
598 bool add_processor_from_xml_2X (const XMLNode&, int);
600 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
602 void set_self_solo (bool yn);
603 void set_mute_master_solo ();
605 void set_processor_positions ();
606 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
608 void setup_invisible_processors ();
611 boost::shared_ptr<CapturingProcessor> _capturing_processor;
613 /** A handy class to keep processor state while we attempt a reconfiguration
616 class ProcessorState {
618 ProcessorState (Route* r)
620 , _processors (r->_processors)
621 , _processor_max_streams (r->processor_max_streams)
625 _route->_processors = _processors;
626 _route->processor_max_streams = _processor_max_streams;
630 /* this should perhaps be a shared_ptr, but ProcessorStates will
631 not hang around long enough for it to matter.
634 ProcessorList _processors;
635 ChanCount _processor_max_streams;
638 friend class ProcessorState;
640 /* no copy construction */
641 Route (Route const &);
643 void maybe_note_meter_position ();
645 /** true if we've made a note of a custom meter position in these variables */
646 bool _custom_meter_position_noted;
647 /** the processor that came after the meter when it was last set to a custom position,
650 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
651 /** true if the last custom meter position was at the end of the processor list */
652 bool _last_custom_meter_was_at_end;
654 void reset_instrument_info ();
656 void set_remote_control_id_internal (uint32_t id, bool notify_class_listeners = true);
659 } // namespace ARDOUR
661 #endif /* __ardour_route_h__ */