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"
62 class MonitorProcessor;
64 class CapturingProcessor;
66 class Route : public SessionObject, public Automatable, public RouteGroupMember, public GraphNode
70 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
78 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
83 boost::shared_ptr<IO> input() const { return _input; }
84 boost::shared_ptr<IO> output() const { return _output; }
86 ChanCount n_inputs() const { return _input->n_ports(); }
87 ChanCount n_outputs() const { return _output->n_ports(); }
89 bool active() const { return _active; }
90 void set_active (bool yn, void *);
92 static std::string ensure_track_or_route_name(std::string, Session &);
94 std::string comment() { return _comment; }
95 void set_comment (std::string str, void *src);
97 bool set_name (const std::string& str);
99 int32_t order_key (std::string const &) const;
100 void set_order_key (std::string const &, int32_t);
102 bool is_hidden() const { return _flags & Hidden; }
103 bool is_master() const { return _flags & MasterOut; }
104 bool is_monitor() const { return _flags & MonitorOut; }
106 /* these are the core of the API of a Route. see the protected sections as well */
108 virtual int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
109 int declick, bool can_record, bool rec_monitors_input, bool& need_butler);
111 virtual int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
112 bool state_changing, bool can_record, bool rec_monitors_input);
114 virtual int silent_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
115 bool can_record, bool rec_monitors_input, bool& need_butler);
117 virtual void toggle_monitor_input ();
118 virtual bool can_record() { return false; }
120 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
121 virtual bool record_enabled() const { return false; }
122 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
123 virtual void realtime_handle_transport_stopped () {}
124 virtual void set_pending_declick (int);
126 /* end of vfunc-based API */
128 void shift (framepos_t, framepos_t);
130 void set_gain (gain_t val, void *src);
131 void inc_gain (gain_t delta, void *src);
133 void set_mute_points (MuteMaster::MutePoint);
134 MuteMaster::MutePoint mute_points () const;
137 void set_mute (bool yn, void* src);
139 /* controls use set_solo() to modify this route's solo state
142 void set_solo (bool yn, void *src);
143 bool soloed () const { return self_soloed () || soloed_by_others (); }
145 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
146 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
147 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
148 bool self_soloed () const { return _self_solo; }
150 void set_solo_isolated (bool yn, void *src);
151 bool solo_isolated() const;
153 void set_solo_safe (bool yn, void *src);
154 bool solo_safe() const;
156 void set_listen (bool yn, void* src);
157 bool listening () const;
159 void set_phase_invert (uint32_t, bool yn);
160 void set_phase_invert (boost::dynamic_bitset<>);
161 bool phase_invert (uint32_t) const;
162 boost::dynamic_bitset<> phase_invert () const;
164 void set_denormal_protection (bool yn);
165 bool denormal_protection() const;
167 void set_meter_point (MeterPoint, bool force = false);
168 void infer_meter_point () const;
169 MeterPoint meter_point() const { return _meter_point; }
174 boost::shared_ptr<Amp> amp() const { return _amp; }
175 PeakMeter& peak_meter() { return *_meter.get(); }
176 const PeakMeter& peak_meter() const { return *_meter.get(); }
177 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
179 void flush_processors ();
181 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
182 Glib::RWLock::ReaderLock lm (_processor_lock);
183 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
184 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
187 method (boost::weak_ptr<Processor> (*i));
191 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
192 Glib::RWLock::ReaderLock lm (_processor_lock);
193 ProcessorList::iterator i;
194 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
195 if (i == _processors.end()) {
196 return boost::shared_ptr<Processor> ();
202 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
203 boost::shared_ptr<Processor> nth_send (uint32_t n);
205 bool processor_is_prefader (boost::shared_ptr<Processor> p);
207 bool has_io_processor_named (const std::string&);
208 ChanCount max_processor_streams () const { return processor_max_streams; }
210 std::list<std::string> unknown_processors () const;
212 /* special processors */
214 boost::shared_ptr<Delivery> monitor_send() const { return _monitor_send; }
215 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
216 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
217 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
218 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
219 void add_internal_return ();
220 BufferSet* get_return_buffer () const;
221 void release_return_buffer () const;
222 void put_monitor_send_at (Placement);
223 boost::shared_ptr<CapturingProcessor> add_export_point(/* Add some argument for placement later */);
225 /** A record of the stream configuration at some point in the processor list.
226 * Used to return where and why an processor list configuration request failed.
228 struct ProcessorStreams {
229 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
231 uint32_t index; ///< Index of processor where configuration failed
232 ChanCount count; ///< Input requested of processor
235 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0);
236 int add_processor (boost::shared_ptr<Processor>, ProcessorList::iterator iter, ProcessorStreams* err = 0, bool activation_allowed = true);
237 int add_processors (const ProcessorList&, boost::shared_ptr<Processor> before, ProcessorStreams* err = 0);
238 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
239 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
240 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
241 void disable_processors (Placement);
242 void disable_processors ();
243 void disable_plugins (Placement);
244 void disable_plugins ();
245 void ab_plugins (bool forward);
246 void clear_processors (Placement);
247 void all_processors_flip();
248 void all_processors_active (Placement, bool state);
250 virtual framecnt_t update_total_latency();
251 void set_latency_delay (framecnt_t);
252 void set_user_latency (framecnt_t);
253 framecnt_t initial_delay() const { return _initial_delay; }
255 PBD::Signal0<void> active_changed;
256 PBD::Signal0<void> phase_invert_changed;
257 PBD::Signal0<void> denormal_protection_changed;
258 PBD::Signal1<void,void*> listen_changed;
259 PBD::Signal2<void,bool,void*> solo_changed;
260 PBD::Signal1<void,void*> solo_safe_changed;
261 PBD::Signal1<void,void*> solo_isolated_changed;
262 PBD::Signal1<void,void*> comment_changed;
263 PBD::Signal1<void,void*> mute_changed;
264 PBD::Signal0<void> mute_points_changed;
266 /** the processors have changed; the parameter indicates what changed */
267 PBD::Signal1<void,RouteProcessorChange> processors_changed;
268 PBD::Signal1<void,void*> record_enable_changed;
269 /** the metering point has changed */
270 PBD::Signal0<void> meter_change;
271 PBD::Signal0<void> signal_latency_changed;
272 PBD::Signal0<void> initial_delay_changed;
273 PBD::Signal0<void> order_key_changed;
275 /** Emitted with the process lock held */
276 PBD::Signal0<void> io_changed;
278 /* gui's call this for their own purposes. */
280 PBD::Signal2<void,std::string,void*> gui_changed;
284 XMLNode& get_state();
285 int set_state (const XMLNode&, int version);
286 virtual XMLNode& get_template();
288 XMLNode& get_processor_state ();
289 virtual void set_processor_state (const XMLNode&);
291 int save_as_template (const std::string& path, const std::string& name);
293 PBD::Signal1<void,void*> SelectedChanged;
295 int listen_via (boost::shared_ptr<Route>, Placement p, bool active, bool aux);
296 void drop_listen (boost::shared_ptr<Route>);
299 * return true if this route feeds the first argument via at least one
300 * (arbitrarily long) signal pathway.
302 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
305 * return true if this route feeds the first argument directly, via
306 * either its main outs or a send.
308 bool direct_feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
311 boost::weak_ptr<Route> r;
314 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
316 , sends_only (sendsonly) {}
319 struct FeedRecordCompare {
320 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
325 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
327 const FedBy& fed_by() const { return _fed_by; }
328 void clear_fed_by ();
329 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
330 bool not_fed() const { return _fed_by.empty(); }
332 /* Controls (not all directly owned by the Route */
334 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
336 struct SoloControllable : public AutomationControl {
337 SoloControllable (std::string name, Route&);
338 void set_value (double);
339 double get_value (void) const;
344 struct MuteControllable : public AutomationControl {
345 MuteControllable (std::string name, Route&);
346 void set_value (double);
347 double get_value (void) const;
352 boost::shared_ptr<AutomationControl> solo_control() const {
353 return _solo_control;
356 boost::shared_ptr<AutomationControl> mute_control() const {
357 return _mute_control;
360 boost::shared_ptr<MuteMaster> mute_master() const {
364 /* Route doesn't own these items, but sub-objects that it does own have them
365 and to make UI code a bit simpler, we provide direct access to them
369 boost::shared_ptr<Panner> panner() const; /* may return null */
370 boost::shared_ptr<PannerShell> panner_shell() const;
371 boost::shared_ptr<AutomationControl> gain_control() const;
372 boost::shared_ptr<Pannable> pannable() const;
374 void automation_snapshot (framepos_t now, bool force=false);
375 void protect_automation ();
377 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
378 uint32_t remote_control_id () const;
380 /* for things concerned about *this* route's RID */
382 PBD::Signal0<void> RemoteControlIDChanged;
384 /* for things concerned about any route's RID changes */
386 static PBD::Signal0<void> RemoteControlIDChange;
388 void sync_order_keys (std::string const &);
389 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
392 friend class Session;
394 void catch_up_on_solo_mute_override ();
395 void mod_solo_by_others_upstream (int32_t);
396 void mod_solo_by_others_downstream (int32_t);
397 bool has_external_redirects() const;
398 void curve_reallocate ();
399 void just_meter_input (framepos_t start_frame, framepos_t end_frame, pframes_t nframes);
400 virtual void set_block_size (pframes_t nframes);
403 framecnt_t check_initial_delay (framecnt_t, framecnt_t&);
405 void passthru (framepos_t start_frame, framepos_t end_frame,
406 pframes_t nframes, int declick);
408 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
409 framecnt_t /* nframes */) {}
411 virtual void process_output_buffers (BufferSet& bufs,
412 framepos_t start_frame, framepos_t end_frame,
413 pframes_t nframes, bool with_processors, int declick,
414 bool gain_automation_ok);
416 boost::shared_ptr<IO> _input;
417 boost::shared_ptr<IO> _output;
420 framecnt_t _initial_delay;
421 framecnt_t _roll_delay;
423 ProcessorList _processors;
424 mutable Glib::RWLock _processor_lock;
425 boost::shared_ptr<Delivery> _main_outs;
426 boost::shared_ptr<Delivery> _monitor_send;
427 boost::shared_ptr<InternalReturn> _intreturn;
428 boost::shared_ptr<MonitorProcessor> _monitor_control;
429 boost::shared_ptr<Pannable> _pannable;
432 int _pending_declick;
433 MeterPoint _meter_point;
434 boost::dynamic_bitset<> _phase_invert;
436 uint32_t _soloed_by_others_upstream;
437 uint32_t _soloed_by_others_downstream;
438 uint32_t _solo_isolated;
440 bool _denormal_protection;
442 bool _recordable : 1;
444 bool _declickable : 1;
446 boost::shared_ptr<SoloControllable> _solo_control;
447 boost::shared_ptr<MuteControllable> _mute_control;
448 boost::shared_ptr<MuteMaster> _mute_master;
450 std::string _comment;
451 bool _have_internal_generator;
453 DataType _default_type;
456 virtual ChanCount input_streams () const;
459 virtual XMLNode& state(bool);
461 int configure_processors (ProcessorStreams*);
463 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
464 pframes_t nframes, int declick);
466 void silence (framecnt_t);
467 void silence_unlocked (framecnt_t);
469 ChanCount processor_max_streams;
470 uint32_t _remote_control_id;
472 uint32_t pans_required() const;
473 ChanCount n_process_buffers ();
475 virtual int _set_state (const XMLNode&, int, bool call_base);
477 boost::shared_ptr<Amp> _amp;
478 boost::shared_ptr<PeakMeter> _meter;
481 int _set_state_2X (const XMLNode&, int);
482 void set_processor_state_2X (XMLNodeList const &, int);
484 static uint32_t order_key_cnt;
486 typedef std::map<std::string, long> OrderKeys;
487 OrderKeys order_keys;
489 void input_change_handler (IOChange, void *src);
490 void output_change_handler (IOChange, void *src);
492 bool input_port_count_changing (ChanCount);
494 bool _in_configure_processors;
496 int configure_processors_unlocked (ProcessorStreams*);
497 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
498 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
500 bool add_processor_from_xml_2X (const XMLNode&, int);
502 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
504 void set_self_solo (bool yn);
505 void set_mute_master_solo ();
507 void set_processor_positions ();
510 } // namespace ARDOUR
512 #endif /* __ardour_route_h__ */