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 /* these are the core of the API of a Route. see the protected sections as well */
112 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
113 int declick, bool& need_butler);
115 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
116 bool state_changing);
118 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
121 virtual bool can_record() { return false; }
123 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
124 virtual bool record_enabled() const { return false; }
125 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
126 virtual void realtime_handle_transport_stopped () {}
127 virtual void realtime_locate () {}
128 virtual void set_pending_declick (int);
130 /* end of vfunc-based API */
132 void shift (framepos_t, framepos_t);
134 void set_gain (gain_t val, void *src);
135 void inc_gain (gain_t delta, void *src);
137 void set_mute_points (MuteMaster::MutePoint);
138 MuteMaster::MutePoint mute_points () const;
141 void set_mute (bool yn, void* src);
143 /* controls use set_solo() to modify this route's solo state
146 void set_solo (bool yn, void *src);
147 bool soloed () const { return self_soloed () || soloed_by_others (); }
149 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
150 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
151 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
152 bool self_soloed () const { return _self_solo; }
154 void set_solo_isolated (bool yn, void *src);
155 bool solo_isolated() const;
157 void set_solo_safe (bool yn, void *src);
158 bool solo_safe() const;
160 void set_listen (bool yn, void* src);
161 bool listening_via_monitor () const;
163 void set_phase_invert (uint32_t, bool yn);
164 void set_phase_invert (boost::dynamic_bitset<>);
165 bool phase_invert (uint32_t) const;
166 boost::dynamic_bitset<> phase_invert () const;
168 void set_denormal_protection (bool yn);
169 bool denormal_protection() const;
171 void set_meter_point (MeterPoint, bool force = false);
172 MeterPoint meter_point() const { return _meter_point; }
177 boost::shared_ptr<Amp> amp() const { return _amp; }
178 PeakMeter& peak_meter() { return *_meter.get(); }
179 const PeakMeter& peak_meter() const { return *_meter.get(); }
180 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
182 void flush_processors ();
184 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
185 Glib::RWLock::ReaderLock lm (_processor_lock);
186 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
187 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
190 method (boost::weak_ptr<Processor> (*i));
194 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
195 Glib::RWLock::ReaderLock lm (_processor_lock);
196 ProcessorList::iterator i;
197 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
198 if (i == _processors.end()) {
199 return boost::shared_ptr<Processor> ();
205 boost::shared_ptr<Processor> processor_by_id (PBD::ID) const;
207 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
208 boost::shared_ptr<Processor> nth_send (uint32_t n);
210 bool has_io_processor_named (const std::string&);
211 ChanCount max_processor_streams () const { return processor_max_streams; }
213 std::list<std::string> unknown_processors () const;
215 /* special processors */
217 boost::shared_ptr<InternalSend> monitor_send() const { return _monitor_send; }
218 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
219 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
220 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
221 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
222 void add_internal_return ();
223 void add_send_to_internal_return (InternalSend *);
224 void remove_send_from_internal_return (InternalSend *);
225 void listen_position_changed ();
226 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
228 /** A record of the stream configuration at some point in the processor list.
229 * Used to return where and why an processor list configuration request failed.
231 struct ProcessorStreams {
232 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
234 uint32_t index; ///< Index of processor where configuration failed
235 ChanCount count; ///< Input requested of processor
238 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0, bool activation_allowed = true);
239 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
240 int add_processor (boost::shared_ptr<Processor>, ProcessorList::iterator iter, ProcessorStreams* err = 0, bool activation_allowed = true);
241 int add_processors (const ProcessorList&, boost::shared_ptr<Processor> before, ProcessorStreams* err = 0);
242 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
243 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
244 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
245 void disable_processors (Placement);
246 void disable_processors ();
247 void disable_plugins (Placement);
248 void disable_plugins ();
249 void ab_plugins (bool forward);
250 void clear_processors (Placement);
251 void all_visible_processors_active (bool);
253 framecnt_t set_private_port_latencies (bool playback) const;
254 void set_public_port_latencies (framecnt_t, bool playback) const;
256 framecnt_t update_signal_latency();
257 virtual void set_latency_compensation (framecnt_t);
259 void set_user_latency (framecnt_t);
260 framecnt_t initial_delay() const { return _initial_delay; }
261 framecnt_t signal_latency() const { return _signal_latency; }
263 PBD::Signal0<void> active_changed;
264 PBD::Signal0<void> phase_invert_changed;
265 PBD::Signal0<void> denormal_protection_changed;
266 PBD::Signal1<void,void*> listen_changed;
267 PBD::Signal2<void,bool,void*> solo_changed;
268 PBD::Signal1<void,void*> solo_safe_changed;
269 PBD::Signal1<void,void*> solo_isolated_changed;
270 PBD::Signal1<void,void*> comment_changed;
271 PBD::Signal1<void,void*> mute_changed;
272 PBD::Signal0<void> mute_points_changed;
274 /** the processors have changed; the parameter indicates what changed */
275 PBD::Signal1<void,RouteProcessorChange> processors_changed;
276 PBD::Signal1<void,void*> record_enable_changed;
277 /** the metering point has changed */
278 PBD::Signal0<void> meter_change;
279 PBD::Signal0<void> signal_latency_changed;
280 PBD::Signal0<void> initial_delay_changed;
281 PBD::Signal0<void> order_key_changed;
283 /** Emitted with the process lock held */
284 PBD::Signal0<void> io_changed;
286 /* gui's call this for their own purposes. */
288 PBD::Signal2<void,std::string,void*> gui_changed;
292 XMLNode& get_state();
293 virtual int set_state (const XMLNode&, int version);
294 virtual XMLNode& get_template();
296 XMLNode& get_processor_state ();
297 virtual void set_processor_state (const XMLNode&);
299 int save_as_template (const std::string& path, const std::string& name);
301 PBD::Signal1<void,void*> SelectedChanged;
303 int listen_via_monitor ();
304 int listen_via (boost::shared_ptr<Route>, Placement p);
305 void drop_listen (boost::shared_ptr<Route>);
308 * return true if this route feeds the first argument via at least one
309 * (arbitrarily long) signal pathway.
311 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
314 * return true if this route feeds the first argument directly, via
315 * either its main outs or a send. This is checked by the actual
316 * connections, rather than by what the graph is currently doing.
318 bool direct_feeds_according_to_reality (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, according to the graph that
323 * is currently being processed.
325 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
328 boost::weak_ptr<Route> r;
331 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
333 , sends_only (sendsonly) {}
336 struct FeedRecordCompare {
337 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
342 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
344 const FedBy& fed_by() const { return _fed_by; }
345 void clear_fed_by ();
346 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
348 /* Controls (not all directly owned by the Route */
350 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
352 class SoloControllable : public AutomationControl {
354 SoloControllable (std::string name, boost::shared_ptr<Route>);
355 void set_value (double);
356 double get_value () const;
359 boost::weak_ptr<Route> _route;
362 struct MuteControllable : public AutomationControl {
364 MuteControllable (std::string name, boost::shared_ptr<Route>);
365 void set_value (double);
366 double get_value () const;
369 boost::weak_ptr<Route> _route;
372 boost::shared_ptr<AutomationControl> solo_control() const {
373 return _solo_control;
376 boost::shared_ptr<AutomationControl> mute_control() const {
377 return _mute_control;
380 boost::shared_ptr<MuteMaster> mute_master() const {
384 /* Route doesn't own these items, but sub-objects that it does own have them
385 and to make UI code a bit simpler, we provide direct access to them
389 boost::shared_ptr<Panner> panner() const; /* may return null */
390 boost::shared_ptr<PannerShell> panner_shell() const;
391 boost::shared_ptr<AutomationControl> gain_control() const;
392 boost::shared_ptr<Pannable> pannable() const;
394 void automation_snapshot (framepos_t now, bool force=false);
395 void protect_automation ();
397 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
398 uint32_t remote_control_id () const;
400 /* for things concerned about *this* route's RID */
402 PBD::Signal0<void> RemoteControlIDChanged;
404 /* for things concerned about any route's RID changes */
406 static PBD::Signal0<void> RemoteControlIDChange;
408 void sync_order_keys (std::string const &);
409 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
412 friend class Session;
414 void catch_up_on_solo_mute_override ();
415 void mod_solo_by_others_upstream (int32_t);
416 void mod_solo_by_others_downstream (int32_t);
417 bool has_external_redirects() const;
418 void curve_reallocate ();
419 virtual void set_block_size (pframes_t nframes);
422 virtual framecnt_t check_initial_delay (framecnt_t nframes, framecnt_t&) { return nframes; }
424 void passthru (framepos_t start_frame, framepos_t end_frame,
425 pframes_t nframes, int declick);
427 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
428 framecnt_t /* nframes */) {}
430 virtual void process_output_buffers (BufferSet& bufs,
431 framepos_t start_frame, framepos_t end_frame,
432 pframes_t nframes, int declick,
433 bool gain_automation_ok);
435 boost::shared_ptr<IO> _input;
436 boost::shared_ptr<IO> _output;
439 framecnt_t _signal_latency;
440 framecnt_t _initial_delay;
441 framecnt_t _roll_delay;
443 ProcessorList _processors;
444 mutable Glib::RWLock _processor_lock;
445 boost::shared_ptr<Delivery> _main_outs;
446 boost::shared_ptr<InternalSend> _monitor_send;
447 boost::shared_ptr<InternalReturn> _intreturn;
448 boost::shared_ptr<MonitorProcessor> _monitor_control;
449 boost::shared_ptr<Pannable> _pannable;
452 int _pending_declick;
453 MeterPoint _meter_point;
454 boost::dynamic_bitset<> _phase_invert;
456 uint32_t _soloed_by_others_upstream;
457 uint32_t _soloed_by_others_downstream;
458 uint32_t _solo_isolated;
460 bool _denormal_protection;
462 bool _recordable : 1;
464 bool _declickable : 1;
466 boost::shared_ptr<SoloControllable> _solo_control;
467 boost::shared_ptr<MuteControllable> _mute_control;
468 boost::shared_ptr<MuteMaster> _mute_master;
470 virtual void act_on_mute () {}
472 std::string _comment;
473 bool _have_internal_generator;
475 DataType _default_type;
478 virtual ChanCount input_streams () const;
481 virtual XMLNode& state(bool);
483 int configure_processors (ProcessorStreams*);
485 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
486 pframes_t nframes, int declick);
488 void silence (framecnt_t);
489 void silence_unlocked (framecnt_t);
491 ChanCount processor_max_streams;
492 uint32_t _remote_control_id;
494 uint32_t pans_required() const;
495 ChanCount n_process_buffers ();
497 virtual bool ardour_should_monitor () const;
498 virtual void maybe_declick (BufferSet&, framecnt_t, int);
500 boost::shared_ptr<Amp> _amp;
501 boost::shared_ptr<PeakMeter> _meter;
504 int set_state_2X (const XMLNode&, int);
505 void set_processor_state_2X (XMLNodeList const &, int);
507 static uint32_t order_key_cnt;
509 typedef std::map<std::string, long> OrderKeys;
510 OrderKeys order_keys;
512 void input_change_handler (IOChange, void *src);
513 void output_change_handler (IOChange, void *src);
515 bool input_port_count_changing (ChanCount);
517 bool _in_configure_processors;
519 int configure_processors_unlocked (ProcessorStreams*);
520 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
521 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
523 bool add_processor_from_xml_2X (const XMLNode&, int);
525 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
527 void set_self_solo (bool yn);
528 void set_mute_master_solo ();
530 void set_processor_positions ();
531 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
533 void setup_invisible_processors ();
536 boost::shared_ptr<CapturingProcessor> _capturing_processor;
538 /** A handy class to keep processor state while we attempt a reconfiguration
541 class ProcessorState {
543 ProcessorState (Route* r)
545 , _processors (r->_processors)
546 , _processor_max_streams (r->processor_max_streams)
550 _route->_processors = _processors;
551 _route->processor_max_streams = _processor_max_streams;
555 /* this should perhaps be a shared_ptr, but ProcessorStates will
556 not hang around long enough for it to matter.
559 ProcessorList _processors;
560 ChanCount _processor_max_streams;
563 friend class ProcessorState;
565 /* no copy construction */
566 Route (Route const &);
568 void maybe_note_meter_position ();
570 /** true if we've made a note of a custom meter position in these variables */
571 bool _custom_meter_position_noted;
572 /** the processor that came after the meter when it was last set to a custom position,
575 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
576 /** true if the last custom meter position was at the end of the processor list */
577 bool _last_custom_meter_was_at_end;
580 } // namespace ARDOUR
582 #endif /* __ardour_route_h__ */