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>
33 #include <glibmm/thread.h>
34 #include "pbd/fastlog.h"
35 #include "pbd/xml++.h"
37 #include "pbd/stateful.h"
38 #include "pbd/controllable.h"
39 #include "pbd/destructible.h"
41 #include "ardour/ardour.h"
42 #include "ardour/io.h"
43 #include "ardour/types.h"
44 #include "ardour/mute_master.h"
45 #include "ardour/route_group_member.h"
46 #include "ardour/graphnode.h"
47 #include "ardour/automatable.h"
59 class MonitorProcessor;
61 class Route : public SessionObject, public Automatable, public RouteGroupMember, public GraphNode
65 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
73 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
78 boost::shared_ptr<IO> input() const { return _input; }
79 boost::shared_ptr<IO> output() const { return _output; }
81 ChanCount n_inputs() const { return _input->n_ports(); }
82 ChanCount n_outputs() const { return _output->n_ports(); }
84 bool active() const { return _active; }
85 void set_active (bool yn);
87 static std::string ensure_track_or_route_name(std::string, Session &);
89 std::string comment() { return _comment; }
90 void set_comment (std::string str, void *src);
92 bool set_name (const std::string& str);
94 long order_key (std::string const &) const;
95 void set_order_key (std::string const &, long);
97 bool is_hidden() const { return _flags & Hidden; }
98 bool is_master() const { return _flags & MasterOut; }
99 bool is_monitor() const { return _flags & MonitorOut; }
101 /* these are the core of the API of a Route. see the protected sections as well */
103 virtual int roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
104 int declick, bool can_record, bool rec_monitors_input, bool& need_butler);
106 virtual int no_roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
107 bool state_changing, bool can_record, bool rec_monitors_input);
109 virtual int silent_roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
110 bool can_record, bool rec_monitors_input, bool& need_butler);
112 virtual void toggle_monitor_input ();
113 virtual bool can_record() { return false; }
115 virtual void set_record_enable (bool /*yn*/, void * /*src*/) {}
116 virtual bool record_enabled() const { return false; }
117 virtual void handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
118 virtual void set_pending_declick (int);
120 /* end of vfunc-based API */
122 void shift (nframes64_t, nframes64_t);
124 void set_gain (gain_t val, void *src);
125 void inc_gain (gain_t delta, void *src);
127 void set_mute_points (MuteMaster::MutePoint);
128 MuteMaster::MutePoint mute_points () const;
131 void set_mute (bool yn, void* src);
133 /* controls use set_solo() to modify this route's solo state
136 void set_solo (bool yn, void *src);
137 bool soloed () const { return self_soloed () || soloed_by_others (); }
139 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
140 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
141 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
142 bool self_soloed () const { return _self_solo; }
144 void set_solo_isolated (bool yn, void *src);
145 bool solo_isolated() const;
147 void set_solo_safe (bool yn, void *src);
148 bool solo_safe() const;
150 void set_listen (bool yn, void* src);
151 bool listening () const;
153 void set_phase_invert (bool yn);
154 bool phase_invert() const;
156 void set_denormal_protection (bool yn);
157 bool denormal_protection() const;
159 void set_meter_point (MeterPoint);
160 void infer_meter_point () const;
161 MeterPoint meter_point() const { return _meter_point; }
166 boost::shared_ptr<Amp> amp() const { return _amp; }
167 PeakMeter& peak_meter() { return *_meter.get(); }
168 const PeakMeter& peak_meter() const { return *_meter.get(); }
169 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
171 void flush_processors ();
173 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
174 Glib::RWLock::ReaderLock lm (_processor_lock);
175 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
176 method (boost::weak_ptr<Processor> (*i));
180 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
181 Glib::RWLock::ReaderLock lm (_processor_lock);
182 ProcessorList::iterator i;
183 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
184 if (i == _processors.end()) {
185 return boost::shared_ptr<Processor> ();
191 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
192 boost::shared_ptr<Processor> nth_send (uint32_t n);
194 bool processor_is_prefader (boost::shared_ptr<Processor> p);
196 bool has_io_processor_named (const std::string&);
197 ChanCount max_processor_streams () const { return processor_max_streams; }
199 /* special processors */
201 boost::shared_ptr<Delivery> monitor_send() const { return _monitor_send; }
202 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
203 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
204 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
205 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
206 void add_internal_return ();
207 BufferSet* get_return_buffer () const;
208 void release_return_buffer () const;
209 void put_monitor_send_at (Placement);
211 /** A record of the stream configuration at some point in the processor list.
212 * Used to return where and why an processor list configuration request failed.
214 struct ProcessorStreams {
215 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
217 uint32_t index; ///< Index of processor where configuration failed
218 ChanCount count; ///< Input requested of processor
221 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0);
222 int add_processor (boost::shared_ptr<Processor>, ProcessorList::iterator iter, ProcessorStreams* err = 0, bool activation_allowed = true);
223 int add_processors (const ProcessorList&, boost::shared_ptr<Processor> before, ProcessorStreams* err = 0);
224 int add_processors (const ProcessorList&, ProcessorList::iterator iter, ProcessorStreams* err = 0);
225 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
226 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
227 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
228 void disable_processors (Placement);
229 void disable_processors ();
230 void disable_plugins (Placement);
231 void disable_plugins ();
232 void ab_plugins (bool forward);
233 void clear_processors (Placement);
234 void all_processors_flip();
235 void all_processors_active (Placement, bool state);
237 virtual nframes_t update_total_latency();
238 void set_latency_delay (nframes_t);
239 void set_user_latency (nframes_t);
240 nframes_t initial_delay() const { return _initial_delay; }
242 PBD::Signal0<void> active_changed;
243 PBD::Signal0<void> phase_invert_changed;
244 PBD::Signal0<void> denormal_protection_changed;
245 PBD::Signal1<void,void*> listen_changed;
246 PBD::Signal2<void,bool,void*> solo_changed;
247 PBD::Signal1<void,void*> solo_safe_changed;
248 PBD::Signal1<void,void*> solo_isolated_changed;
249 PBD::Signal1<void,void*> comment_changed;
250 PBD::Signal1<void,void*> mute_changed;
251 PBD::Signal0<void> mute_points_changed;
253 /** the processors have changed; the parameter indicates what changed */
254 PBD::Signal1<void,RouteProcessorChange> processors_changed;
255 PBD::Signal1<void,void*> record_enable_changed;
256 /** the metering point has changed */
257 PBD::Signal0<void> meter_change;
258 PBD::Signal0<void> signal_latency_changed;
259 PBD::Signal0<void> initial_delay_changed;
261 /* gui's call this for their own purposes. */
263 PBD::Signal2<void,std::string,void*> gui_changed;
267 XMLNode& get_state();
268 int set_state (const XMLNode&, int version);
269 virtual XMLNode& get_template();
271 XMLNode& get_processor_state ();
272 virtual void set_processor_state (const XMLNode&);
274 int save_as_template (const std::string& path, const std::string& name);
276 PBD::Signal1<void,void*> SelectedChanged;
278 int listen_via (boost::shared_ptr<Route>, Placement p, bool active, bool aux);
279 void drop_listen (boost::shared_ptr<Route>);
282 * return true if this route feeds the first argument via at least one
283 * (arbitrarily long) signal pathway.
285 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
288 * return true if this route feeds the first argument directly, via
289 * either its main outs or a send.
291 bool direct_feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
294 boost::weak_ptr<Route> r;
297 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
299 , sends_only (sendsonly) {}
302 struct FeedRecordCompare {
303 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
308 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
310 const FedBy& fed_by() const { return _fed_by; }
311 void clear_fed_by ();
312 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
313 bool not_fed() const { return _fed_by.empty(); }
315 /* Controls (not all directly owned by the Route */
317 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
319 struct SoloControllable : public AutomationControl {
320 SoloControllable (std::string name, Route&);
321 void set_value (float);
322 float get_value (void) const;
327 struct MuteControllable : public AutomationControl {
328 MuteControllable (std::string name, Route&);
329 void set_value (float);
330 float get_value (void) const;
335 boost::shared_ptr<AutomationControl> solo_control() const {
336 return _solo_control;
339 boost::shared_ptr<AutomationControl> mute_control() const {
340 return _mute_control;
343 boost::shared_ptr<MuteMaster> mute_master() const {
347 /* Route doesn't own these items, but sub-objects that it does own have them
348 and to make UI code a bit simpler, we provide direct access to them
352 boost::shared_ptr<Panner> panner() const;
353 boost::shared_ptr<AutomationControl> gain_control() const;
355 void automation_snapshot (nframes_t now, bool force=false);
356 void protect_automation ();
358 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
359 uint32_t remote_control_id () const;
361 /* for things concerned about *this* route's RID */
363 PBD::Signal0<void> RemoteControlIDChanged;
365 /* for things concerned about any route's RID changes */
367 static PBD::Signal0<void> RemoteControlIDChange;
369 void sync_order_keys (std::string const &);
370 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
373 friend class Session;
375 void catch_up_on_solo_mute_override ();
376 void mod_solo_by_others_upstream (int32_t);
377 void mod_solo_by_others_downstream (int32_t);
378 bool has_external_redirects() const;
379 void curve_reallocate ();
380 void just_meter_input (sframes_t start_frame, sframes_t end_frame, nframes_t nframes);
381 virtual void set_block_size (nframes_t nframes);
384 nframes_t check_initial_delay (nframes_t, nframes_t&);
386 void passthru (sframes_t start_frame, sframes_t end_frame,
387 nframes_t nframes, int declick);
389 virtual void write_out_of_band_data (BufferSet& /* bufs */, sframes_t /* start_frame */, sframes_t /* end_frame */,
390 nframes_t /* nframes */) {}
392 virtual void process_output_buffers (BufferSet& bufs,
393 sframes_t start_frame, sframes_t end_frame,
394 nframes_t nframes, bool with_processors, int declick);
396 boost::shared_ptr<IO> _input;
397 boost::shared_ptr<IO> _output;
400 nframes_t _initial_delay;
401 nframes_t _roll_delay;
403 ProcessorList _processors;
404 mutable Glib::RWLock _processor_lock;
405 boost::shared_ptr<Delivery> _main_outs;
406 boost::shared_ptr<Delivery> _monitor_send;
407 boost::shared_ptr<InternalReturn> _intreturn;
408 boost::shared_ptr<MonitorProcessor> _monitor_control;
411 int _pending_declick;
412 MeterPoint _meter_point;
413 uint32_t _phase_invert;
415 uint32_t _soloed_by_others_upstream;
416 uint32_t _soloed_by_others_downstream;
417 uint32_t _solo_isolated;
419 bool _denormal_protection;
421 bool _recordable : 1;
423 bool _declickable : 1;
425 boost::shared_ptr<SoloControllable> _solo_control;
426 boost::shared_ptr<MuteControllable> _mute_control;
427 boost::shared_ptr<MuteMaster> _mute_master;
429 std::string _comment;
430 bool _have_internal_generator;
432 DataType _default_type;
435 virtual ChanCount input_streams () const;
438 virtual XMLNode& state(bool);
440 int configure_processors (ProcessorStreams*);
442 void passthru_silence (sframes_t start_frame, sframes_t end_frame,
443 nframes_t nframes, int declick);
445 void silence (nframes_t);
446 void silence_unlocked (nframes_t);
448 ChanCount processor_max_streams;
449 uint32_t _remote_control_id;
451 uint32_t pans_required() const;
452 ChanCount n_process_buffers ();
454 virtual int _set_state (const XMLNode&, int, bool call_base);
456 boost::shared_ptr<Amp> _amp;
457 boost::shared_ptr<PeakMeter> _meter;
460 int _set_state_2X (const XMLNode&, int);
461 void set_processor_state_2X (XMLNodeList const &, int);
463 static uint32_t order_key_cnt;
465 typedef std::map<std::string, long> OrderKeys;
466 OrderKeys order_keys;
468 void input_change_handler (IOChange, void *src);
469 void output_change_handler (IOChange, void *src);
471 bool _in_configure_processors;
473 int configure_processors_unlocked (ProcessorStreams*);
475 bool add_processor_from_xml (const XMLNode&, ProcessorList::iterator iter);
476 bool add_processor_from_xml_2X (const XMLNode&, int, ProcessorList::iterator iter);
478 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
480 void set_self_solo (bool yn);
481 void set_mute_master_solo ();
483 void set_processor_positions ();
486 } // namespace ARDOUR
488 #endif /* __ardour_route_h__ */