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/io.h"
45 #include "ardour/types.h"
46 #include "ardour/mute_master.h"
47 #include "ardour/route_group_member.h"
48 #include "ardour/graphnode.h"
49 #include "ardour/automatable.h"
50 #include "ardour/unknown_processor.h"
64 class MonitorProcessor;
66 class CapturingProcessor;
69 class Route : public SessionObject, public Automatable, public RouteGroupMember, public GraphNode, public boost::enable_shared_from_this<Route>
73 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
81 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
86 boost::shared_ptr<IO> input() const { return _input; }
87 boost::shared_ptr<IO> output() const { return _output; }
89 ChanCount n_inputs() const { return _input->n_ports(); }
90 ChanCount n_outputs() const { return _output->n_ports(); }
92 bool active() const { return _active; }
93 void set_active (bool yn, void *);
95 static std::string ensure_track_or_route_name(std::string, Session &);
97 std::string comment() { return _comment; }
98 void set_comment (std::string str, void *src);
100 bool set_name (const std::string& str);
101 static void set_name_in_state (XMLNode &, const std::string &);
103 int32_t order_key (std::string const &) const;
104 void set_order_key (std::string const &, int32_t);
106 bool is_hidden() const { return _flags & Hidden; }
107 bool is_master() const { return _flags & MasterOut; }
108 bool is_monitor() const { return _flags & MonitorOut; }
110 virtual MonitorState monitoring_state () const;
111 virtual MeterState metering_state () const;
113 /* these are the core of the API of a Route. see the protected sections as well */
115 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
116 int declick, bool& need_butler);
118 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
119 bool state_changing);
121 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
124 virtual bool can_record() { return false; }
126 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
127 virtual bool record_enabled() const { return false; }
128 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
129 virtual void realtime_handle_transport_stopped () {}
130 virtual void realtime_locate () {}
131 virtual void set_pending_declick (int);
133 /* end of vfunc-based API */
135 void shift (framepos_t, framecnt_t);
137 void set_gain (gain_t val, void *src);
138 void inc_gain (gain_t delta, void *src);
140 void set_mute_points (MuteMaster::MutePoint);
141 MuteMaster::MutePoint mute_points () const;
144 void set_mute (bool yn, void* src);
146 /* controls use set_solo() to modify this route's solo state
149 void set_solo (bool yn, void *src);
150 bool soloed () const { return self_soloed () || soloed_by_others (); }
151 void cancel_solo_after_disconnect (bool upstream);
153 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
154 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
155 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
156 bool self_soloed () const { return _self_solo; }
158 void set_solo_isolated (bool yn, void *src);
159 bool solo_isolated() const;
161 void set_solo_safe (bool yn, void *src);
162 bool solo_safe() const;
164 void set_listen (bool yn, void* src);
165 bool listening_via_monitor () const;
166 void enable_monitor_send ();
168 void set_phase_invert (uint32_t, bool yn);
169 void set_phase_invert (boost::dynamic_bitset<>);
170 bool phase_invert (uint32_t) const;
171 boost::dynamic_bitset<> phase_invert () const;
173 void set_denormal_protection (bool yn);
174 bool denormal_protection() const;
176 void set_meter_point (MeterPoint, bool force = false);
177 MeterPoint meter_point() const { return _meter_point; }
182 boost::shared_ptr<Amp> amp() const { return _amp; }
183 PeakMeter& peak_meter() { return *_meter.get(); }
184 const PeakMeter& peak_meter() const { return *_meter.get(); }
185 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
187 void flush_processors ();
189 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
190 Glib::RWLock::ReaderLock lm (_processor_lock);
191 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
192 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
195 method (boost::weak_ptr<Processor> (*i));
199 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
200 Glib::RWLock::ReaderLock lm (_processor_lock);
201 ProcessorList::iterator i;
202 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
203 if (i == _processors.end()) {
204 return boost::shared_ptr<Processor> ();
210 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
212 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
213 boost::shared_ptr<Processor> nth_send (uint32_t n);
215 bool has_io_processor_named (const std::string&);
216 ChanCount max_processor_streams () const { return processor_max_streams; }
218 std::list<std::string> unknown_processors () const;
220 /* special processors */
222 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
223 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
224 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
225 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
226 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
227 void add_internal_return ();
228 void add_send_to_internal_return (InternalSend *);
229 void remove_send_from_internal_return (InternalSend *);
230 void listen_position_changed ();
231 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
233 /** A record of the stream configuration at some point in the processor list.
234 * Used to return where and why an processor list configuration request failed.
236 struct ProcessorStreams {
237 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
239 uint32_t index; ///< Index of processor where configuration failed
240 ChanCount count; ///< Input requested of processor
243 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
244 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
245 int add_processor (boost::shared_ptr<Processor>, boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool activation_allowed = true);
246 int add_processors (const ProcessorList&, boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
247 boost::shared_ptr<Processor> before_processor_for_placement (Placement);
248 boost::shared_ptr<Processor> before_processor_for_index (int);
249 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0, bool need_process_lock = true);
250 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
251 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
252 void disable_processors (Placement);
253 void disable_processors ();
254 void disable_plugins (Placement);
255 void disable_plugins ();
256 void ab_plugins (bool forward);
257 void clear_processors (Placement);
258 void all_visible_processors_active (bool);
260 framecnt_t set_private_port_latencies (bool playback) const;
261 void set_public_port_latencies (framecnt_t, bool playback) const;
263 framecnt_t update_signal_latency();
264 virtual void set_latency_compensation (framecnt_t);
266 void set_user_latency (framecnt_t);
267 framecnt_t initial_delay() const { return _initial_delay; }
268 framecnt_t signal_latency() const { return _signal_latency; }
270 PBD::Signal0<void> active_changed;
271 PBD::Signal0<void> phase_invert_changed;
272 PBD::Signal0<void> denormal_protection_changed;
273 PBD::Signal1<void,void*> listen_changed;
274 PBD::Signal2<void,bool,void*> solo_changed;
275 PBD::Signal1<void,void*> solo_safe_changed;
276 PBD::Signal1<void,void*> solo_isolated_changed;
277 PBD::Signal1<void,void*> comment_changed;
278 PBD::Signal1<void,void*> mute_changed;
279 PBD::Signal0<void> mute_points_changed;
281 /** the processors have changed; the parameter indicates what changed */
282 PBD::Signal1<void,RouteProcessorChange> processors_changed;
283 PBD::Signal1<void,void*> record_enable_changed;
284 /** the metering point has changed */
285 PBD::Signal0<void> meter_change;
286 PBD::Signal0<void> signal_latency_changed;
287 PBD::Signal0<void> initial_delay_changed;
288 PBD::Signal0<void> order_key_changed;
290 /** Emitted with the process lock held */
291 PBD::Signal0<void> io_changed;
293 /* gui's call this for their own purposes. */
295 PBD::Signal2<void,std::string,void*> gui_changed;
299 XMLNode& get_state();
300 virtual int set_state (const XMLNode&, int version);
301 virtual XMLNode& get_template();
303 XMLNode& get_processor_state ();
304 virtual void set_processor_state (const XMLNode&);
306 int save_as_template (const std::string& path, const std::string& name);
308 PBD::Signal1<void,void*> SelectedChanged;
310 int add_aux_send (boost::shared_ptr<Route>, boost::shared_ptr<Processor>);
311 void remove_aux_or_listen (boost::shared_ptr<Route>);
314 * return true if this route feeds the first argument via at least one
315 * (arbitrarily long) signal pathway.
317 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
320 * return true if this route feeds the first argument directly, via
321 * either its main outs or a send. This is checked by the actual
322 * connections, rather than by what the graph is currently doing.
324 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
327 * return true if this route feeds the first argument directly, via
328 * either its main outs or a send, according to the graph that
329 * is currently being processed.
331 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
334 boost::weak_ptr<Route> r;
337 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
339 , sends_only (sendsonly) {}
342 struct FeedRecordCompare {
343 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
348 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
350 const FedBy& fed_by() const { return _fed_by; }
351 void clear_fed_by ();
352 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
354 /* Controls (not all directly owned by the Route */
356 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
358 class SoloControllable : public AutomationControl {
360 SoloControllable (std::string name, boost::shared_ptr<Route>);
361 void set_value (double);
362 double get_value () const;
365 boost::weak_ptr<Route> _route;
368 struct MuteControllable : public AutomationControl {
370 MuteControllable (std::string name, boost::shared_ptr<Route>);
371 void set_value (double);
372 double get_value () const;
375 boost::weak_ptr<Route> _route;
378 boost::shared_ptr<AutomationControl> solo_control() const {
379 return _solo_control;
382 boost::shared_ptr<AutomationControl> mute_control() const {
383 return _mute_control;
386 boost::shared_ptr<MuteMaster> mute_master() const {
390 /* Route doesn't own these items, but sub-objects that it does own have them
391 and to make UI code a bit simpler, we provide direct access to them
395 boost::shared_ptr<Panner> panner() const; /* may return null */
396 boost::shared_ptr<PannerShell> panner_shell() const;
397 boost::shared_ptr<AutomationControl> gain_control() const;
398 boost::shared_ptr<Pannable> pannable() const;
401 Return the first processor that accepts has at least one MIDI input
402 and at least one audio output. In the vast majority of cases, this
403 will be "the instrument". This does not preclude other MIDI->audio
404 processors later in the processing chain, but that would be a
405 special case not covered by this utility function.
407 boost::shared_ptr<Processor> the_instrument() const;
409 void automation_snapshot (framepos_t now, bool force=false);
410 void protect_automation ();
413 /* These numbers are taken from MIDI Machine Control,
414 which can only control up to 317 tracks without
415 doing sysex segmentation.
417 MasterBusRemoteControlID = 318,
418 MonitorBusRemoteControlID = 319,
421 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
422 uint32_t remote_control_id () const;
424 /* for things concerned about *this* route's RID */
426 PBD::Signal0<void> RemoteControlIDChanged;
428 /* for things concerned about any route's RID changes */
430 static PBD::Signal0<void> RemoteControlIDChange;
432 void sync_order_keys (std::string const &);
433 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
435 bool has_external_redirects() const;
438 friend class Session;
440 void catch_up_on_solo_mute_override ();
441 void mod_solo_by_others_upstream (int32_t);
442 void mod_solo_by_others_downstream (int32_t);
443 void curve_reallocate ();
444 virtual void set_block_size (pframes_t nframes);
447 virtual framecnt_t check_initial_delay (framecnt_t nframes, framepos_t&) { return nframes; }
449 void passthru (framepos_t start_frame, framepos_t end_frame,
450 pframes_t nframes, int declick);
452 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
453 framecnt_t /* nframes */) {}
455 virtual void process_output_buffers (BufferSet& bufs,
456 framepos_t start_frame, framepos_t end_frame,
457 pframes_t nframes, int declick,
458 bool gain_automation_ok);
460 boost::shared_ptr<IO> _input;
461 boost::shared_ptr<IO> _output;
464 framecnt_t _signal_latency;
465 framecnt_t _initial_delay;
466 framecnt_t _roll_delay;
468 ProcessorList _processors;
469 mutable Glib::RWLock _processor_lock;
470 boost::shared_ptr<Delivery> _main_outs;
471 boost::shared_ptr<InternalSend> _monitor_send;
472 boost::shared_ptr<InternalReturn> _intreturn;
473 boost::shared_ptr<MonitorProcessor> _monitor_control;
474 boost::shared_ptr<Pannable> _pannable;
477 int _pending_declick;
478 MeterPoint _meter_point;
479 boost::dynamic_bitset<> _phase_invert;
481 uint32_t _soloed_by_others_upstream;
482 uint32_t _soloed_by_others_downstream;
483 uint32_t _solo_isolated;
485 bool _denormal_protection;
487 bool _recordable : 1;
489 bool _declickable : 1;
491 boost::shared_ptr<SoloControllable> _solo_control;
492 boost::shared_ptr<MuteControllable> _mute_control;
493 boost::shared_ptr<MuteMaster> _mute_master;
495 virtual void act_on_mute () {}
497 std::string _comment;
498 bool _have_internal_generator;
500 DataType _default_type;
503 virtual ChanCount input_streams () const;
506 virtual XMLNode& state(bool);
508 int configure_processors (ProcessorStreams*);
510 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
511 pframes_t nframes, int declick);
513 void silence (framecnt_t);
514 void silence_unlocked (framecnt_t);
516 ChanCount processor_max_streams;
517 uint32_t _remote_control_id;
519 uint32_t pans_required() const;
520 ChanCount n_process_buffers ();
522 virtual void maybe_declick (BufferSet&, framecnt_t, int);
524 boost::shared_ptr<Amp> _amp;
525 boost::shared_ptr<PeakMeter> _meter;
528 int set_state_2X (const XMLNode&, int);
529 void set_processor_state_2X (XMLNodeList const &, int);
531 static uint32_t order_key_cnt;
533 typedef std::map<std::string, long> OrderKeys;
534 OrderKeys order_keys;
536 void input_change_handler (IOChange, void *src);
537 void output_change_handler (IOChange, void *src);
539 bool input_port_count_changing (ChanCount);
541 bool _in_configure_processors;
543 int configure_processors_unlocked (ProcessorStreams*);
544 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
545 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
547 bool add_processor_from_xml_2X (const XMLNode&, int);
549 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
551 void set_self_solo (bool yn);
552 void set_mute_master_solo ();
554 void set_processor_positions ();
555 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
557 void setup_invisible_processors ();
560 boost::shared_ptr<CapturingProcessor> _capturing_processor;
562 /** A handy class to keep processor state while we attempt a reconfiguration
565 class ProcessorState {
567 ProcessorState (Route* r)
569 , _processors (r->_processors)
570 , _processor_max_streams (r->processor_max_streams)
574 _route->_processors = _processors;
575 _route->processor_max_streams = _processor_max_streams;
579 /* this should perhaps be a shared_ptr, but ProcessorStates will
580 not hang around long enough for it to matter.
583 ProcessorList _processors;
584 ChanCount _processor_max_streams;
587 friend class ProcessorState;
589 /* no copy construction */
590 Route (Route const &);
592 void maybe_note_meter_position ();
594 /** true if we've made a note of a custom meter position in these variables */
595 bool _custom_meter_position_noted;
596 /** the processor that came after the meter when it was last set to a custom position,
599 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
600 /** true if the last custom meter position was at the end of the processor list */
601 bool _last_custom_meter_was_at_end;
604 } // namespace ARDOUR
606 #endif /* __ardour_route_h__ */