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>
34 #include <glibmm/thread.h>
35 #include "pbd/fastlog.h"
36 #include "pbd/xml++.h"
38 #include "pbd/stateful.h"
39 #include "pbd/controllable.h"
40 #include "pbd/destructible.h"
42 #include "ardour/ardour.h"
43 #include "ardour/io.h"
44 #include "ardour/types.h"
45 #include "ardour/mute_master.h"
46 #include "ardour/route_group_member.h"
47 #include "ardour/graphnode.h"
48 #include "ardour/automatable.h"
49 #include "ardour/unknown_processor.h"
63 class MonitorProcessor;
65 class CapturingProcessor;
68 class Route : public SessionObject, public Automatable, public RouteGroupMember, public GraphNode
72 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
80 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
85 boost::shared_ptr<IO> input() const { return _input; }
86 boost::shared_ptr<IO> output() const { return _output; }
88 ChanCount n_inputs() const { return _input->n_ports(); }
89 ChanCount n_outputs() const { return _output->n_ports(); }
91 bool active() const { return _active; }
92 void set_active (bool yn, void *);
94 static std::string ensure_track_or_route_name(std::string, Session &);
96 std::string comment() { return _comment; }
97 void set_comment (std::string str, void *src);
99 bool set_name (const std::string& str);
101 int32_t order_key (std::string const &) const;
102 void set_order_key (std::string const &, int32_t);
104 bool is_hidden() const { return _flags & Hidden; }
105 bool is_master() const { return _flags & MasterOut; }
106 bool is_monitor() const { return _flags & MonitorOut; }
108 /* these are the core of the API of a Route. see the protected sections as well */
110 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
111 int declick, bool can_record, bool rec_monitors_input, bool& need_butler);
113 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
114 bool state_changing, bool can_record, bool rec_monitors_input);
116 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
117 bool can_record, bool rec_monitors_input, bool& need_butler);
119 virtual void toggle_monitor_input ();
120 virtual bool can_record() { return false; }
122 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
123 virtual bool record_enabled() const { return false; }
124 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
125 virtual void realtime_handle_transport_stopped () {}
126 virtual void set_pending_declick (int);
128 /* end of vfunc-based API */
130 void shift (framepos_t, framepos_t);
132 void set_gain (gain_t val, void *src);
133 void inc_gain (gain_t delta, void *src);
135 void set_mute_points (MuteMaster::MutePoint);
136 MuteMaster::MutePoint mute_points () const;
139 void set_mute (bool yn, void* src);
141 /* controls use set_solo() to modify this route's solo state
144 void set_solo (bool yn, void *src);
145 bool soloed () const { return self_soloed () || soloed_by_others (); }
147 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
148 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
149 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
150 bool self_soloed () const { return _self_solo; }
152 void set_solo_isolated (bool yn, void *src);
153 bool solo_isolated() const;
155 void set_solo_safe (bool yn, void *src);
156 bool solo_safe() const;
158 void set_listen (bool yn, void* src);
159 bool listening_via_monitor () const;
161 void set_phase_invert (uint32_t, bool yn);
162 void set_phase_invert (boost::dynamic_bitset<>);
163 bool phase_invert (uint32_t) const;
164 boost::dynamic_bitset<> phase_invert () const;
166 void set_denormal_protection (bool yn);
167 bool denormal_protection() const;
169 void set_meter_point (MeterPoint, bool force = false);
170 void infer_meter_point () const;
171 MeterPoint meter_point() const { return _meter_point; }
176 boost::shared_ptr<Amp> amp() const { return _amp; }
177 PeakMeter& peak_meter() { return *_meter.get(); }
178 const PeakMeter& peak_meter() const { return *_meter.get(); }
179 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
181 void flush_processors ();
183 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
184 Glib::RWLock::ReaderLock lm (_processor_lock);
185 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
186 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
189 method (boost::weak_ptr<Processor> (*i));
193 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
194 Glib::RWLock::ReaderLock lm (_processor_lock);
195 ProcessorList::iterator i;
196 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
197 if (i == _processors.end()) {
198 return boost::shared_ptr<Processor> ();
204 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
205 boost::shared_ptr<Processor> nth_send (uint32_t n);
207 bool processor_is_prefader (boost::shared_ptr<Processor> p);
209 bool has_io_processor_named (const std::string&);
210 ChanCount max_processor_streams () const { return processor_max_streams; }
212 std::list<std::string> unknown_processors () const;
214 /* special processors */
216 boost::shared_ptr<Delivery> monitor_send() const { return _monitor_send; }
217 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
218 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
219 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
220 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
221 void add_internal_return ();
222 void add_send_to_internal_return (InternalSend *);
223 void remove_send_from_internal_return (InternalSend *);
224 void listen_position_changed ();
225 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
227 /** A record of the stream configuration at some point in the processor list.
228 * Used to return where and why an processor list configuration request failed.
230 struct ProcessorStreams {
231 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
233 uint32_t index; ///< Index of processor where configuration failed
234 ChanCount count; ///< Input requested of processor
237 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0);
238 int add_processor (boost::shared_ptr<Processor>, ProcessorList::iterator iter, ProcessorStreams* err = 0, bool activation_allowed = true);
239 int add_processors (const ProcessorList&, boost::shared_ptr<Processor> before, ProcessorStreams* err = 0);
240 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
241 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
242 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
243 void disable_processors (Placement);
244 void disable_processors ();
245 void disable_plugins (Placement);
246 void disable_plugins ();
247 void ab_plugins (bool forward);
248 void clear_processors (Placement);
249 void all_processors_flip();
250 void all_processors_active (Placement, bool state);
252 void set_latency_ranges (bool playback) const;
253 virtual framecnt_t update_total_latency();
254 void set_latency_delay (framecnt_t);
255 void set_user_latency (framecnt_t);
256 framecnt_t initial_delay() const { return _initial_delay; }
258 PBD::Signal0<void> active_changed;
259 PBD::Signal0<void> phase_invert_changed;
260 PBD::Signal0<void> denormal_protection_changed;
261 PBD::Signal1<void,void*> listen_changed;
262 PBD::Signal2<void,bool,void*> solo_changed;
263 PBD::Signal1<void,void*> solo_safe_changed;
264 PBD::Signal1<void,void*> solo_isolated_changed;
265 PBD::Signal1<void,void*> comment_changed;
266 PBD::Signal1<void,void*> mute_changed;
267 PBD::Signal0<void> mute_points_changed;
269 /** the processors have changed; the parameter indicates what changed */
270 PBD::Signal1<void,RouteProcessorChange> processors_changed;
271 PBD::Signal1<void,void*> record_enable_changed;
272 /** the metering point has changed */
273 PBD::Signal0<void> meter_change;
274 PBD::Signal0<void> signal_latency_changed;
275 PBD::Signal0<void> initial_delay_changed;
276 PBD::Signal0<void> order_key_changed;
278 /** Emitted with the process lock held */
279 PBD::Signal0<void> io_changed;
281 /* gui's call this for their own purposes. */
283 PBD::Signal2<void,std::string,void*> gui_changed;
287 XMLNode& get_state();
288 int set_state (const XMLNode&, int version);
289 virtual XMLNode& get_template();
291 XMLNode& get_processor_state ();
292 virtual void set_processor_state (const XMLNode&);
294 int save_as_template (const std::string& path, const std::string& name);
296 PBD::Signal1<void,void*> SelectedChanged;
298 int listen_via_monitor ();
299 int listen_via (boost::shared_ptr<Route>, Placement p);
300 void drop_listen (boost::shared_ptr<Route>);
303 * return true if this route feeds the first argument via at least one
304 * (arbitrarily long) signal pathway.
306 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
309 * return true if this route feeds the first argument directly, via
310 * either its main outs or a send.
312 bool direct_feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
315 boost::weak_ptr<Route> r;
318 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
320 , sends_only (sendsonly) {}
323 struct FeedRecordCompare {
324 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
329 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
331 const FedBy& fed_by() const { return _fed_by; }
332 void clear_fed_by ();
333 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
334 bool not_fed() const { return _fed_by.empty(); }
336 /* Controls (not all directly owned by the Route */
338 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
340 struct SoloControllable : public AutomationControl {
341 SoloControllable (std::string name, Route&);
342 void set_value (double);
343 double get_value (void) const;
348 struct MuteControllable : public AutomationControl {
349 MuteControllable (std::string name, Route&);
350 void set_value (double);
351 double get_value (void) const;
356 boost::shared_ptr<AutomationControl> solo_control() const {
357 return _solo_control;
360 boost::shared_ptr<AutomationControl> mute_control() const {
361 return _mute_control;
364 boost::shared_ptr<MuteMaster> mute_master() const {
368 /* Route doesn't own these items, but sub-objects that it does own have them
369 and to make UI code a bit simpler, we provide direct access to them
373 boost::shared_ptr<Panner> panner() const; /* may return null */
374 boost::shared_ptr<PannerShell> panner_shell() const;
375 boost::shared_ptr<AutomationControl> gain_control() const;
376 boost::shared_ptr<Pannable> pannable() const;
378 void automation_snapshot (framepos_t now, bool force=false);
379 void protect_automation ();
381 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
382 uint32_t remote_control_id () const;
384 /* for things concerned about *this* route's RID */
386 PBD::Signal0<void> RemoteControlIDChanged;
388 /* for things concerned about any route's RID changes */
390 static PBD::Signal0<void> RemoteControlIDChange;
392 void sync_order_keys (std::string const &);
393 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
396 friend class Session;
398 void catch_up_on_solo_mute_override ();
399 void mod_solo_by_others_upstream (int32_t);
400 void mod_solo_by_others_downstream (int32_t);
401 bool has_external_redirects() const;
402 void curve_reallocate ();
403 void just_meter_input (framepos_t start_frame, framepos_t end_frame, pframes_t nframes);
404 virtual void set_block_size (pframes_t nframes);
407 framecnt_t check_initial_delay (framecnt_t, framecnt_t&);
409 void passthru (framepos_t start_frame, framepos_t end_frame,
410 pframes_t nframes, int declick);
412 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
413 framecnt_t /* nframes */) {}
415 virtual void process_output_buffers (BufferSet& bufs,
416 framepos_t start_frame, framepos_t end_frame,
417 pframes_t nframes, bool with_processors, int declick,
418 bool gain_automation_ok);
420 boost::shared_ptr<IO> _input;
421 boost::shared_ptr<IO> _output;
424 framecnt_t _initial_delay;
425 framecnt_t _roll_delay;
427 ProcessorList _processors;
428 mutable Glib::RWLock _processor_lock;
429 boost::shared_ptr<Delivery> _main_outs;
430 boost::shared_ptr<Delivery> _monitor_send;
431 boost::shared_ptr<InternalReturn> _intreturn;
432 boost::shared_ptr<MonitorProcessor> _monitor_control;
433 boost::shared_ptr<Pannable> _pannable;
436 int _pending_declick;
437 MeterPoint _meter_point;
438 boost::dynamic_bitset<> _phase_invert;
440 uint32_t _soloed_by_others_upstream;
441 uint32_t _soloed_by_others_downstream;
442 uint32_t _solo_isolated;
444 bool _denormal_protection;
446 bool _recordable : 1;
448 bool _declickable : 1;
450 boost::shared_ptr<SoloControllable> _solo_control;
451 boost::shared_ptr<MuteControllable> _mute_control;
452 boost::shared_ptr<MuteMaster> _mute_master;
454 std::string _comment;
455 bool _have_internal_generator;
457 DataType _default_type;
460 virtual ChanCount input_streams () const;
463 virtual XMLNode& state(bool);
465 int configure_processors (ProcessorStreams*);
467 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
468 pframes_t nframes, int declick);
470 void silence (framecnt_t);
471 void silence_unlocked (framecnt_t);
473 ChanCount processor_max_streams;
474 uint32_t _remote_control_id;
476 uint32_t pans_required() const;
477 ChanCount n_process_buffers ();
479 virtual int _set_state (const XMLNode&, int, bool call_base);
481 boost::shared_ptr<Amp> _amp;
482 boost::shared_ptr<PeakMeter> _meter;
485 int _set_state_2X (const XMLNode&, int);
486 void set_processor_state_2X (XMLNodeList const &, int);
488 static uint32_t order_key_cnt;
490 typedef std::map<std::string, long> OrderKeys;
491 OrderKeys order_keys;
493 void input_change_handler (IOChange, void *src);
494 void output_change_handler (IOChange, void *src);
496 bool input_port_count_changing (ChanCount);
498 bool _in_configure_processors;
500 int configure_processors_unlocked (ProcessorStreams*);
501 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
502 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
504 bool add_processor_from_xml_2X (const XMLNode&, int);
506 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
508 void set_self_solo (bool yn);
509 void set_mute_master_solo ();
511 void set_processor_positions ();
512 void update_port_latencies (const PortSet& ports, const PortSet& feeders, bool playback, framecnt_t) const;
514 void setup_invisible_processors ();
516 boost::shared_ptr<CapturingProcessor> _capturing_processor;
518 /** A handy class to keep processor state while we attempt a reconfiguration
521 class ProcessorState {
523 ProcessorState (Route* r)
525 , _processors (r->_processors)
526 , _processor_max_streams (r->processor_max_streams)
530 _route->_processors = _processors;
531 _route->processor_max_streams = _processor_max_streams;
535 /* this should perhaps be a shared_ptr, but ProcessorStates will
536 not hang around long enough for it to matter.
539 ProcessorList _processors;
540 ChanCount _processor_max_streams;
543 friend class ProcessorState;
545 /* no copy construction */
546 Route (Route const &);
549 } // namespace ARDOUR
551 #endif /* __ardour_route_h__ */