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"
57 class MonitorProcessor;
59 class Route : public SessionObject, public AutomatableControls, public RouteGroupMember
63 typedef std::list<boost::shared_ptr<Processor> > ProcessorList;
71 Route (Session&, std::string name, Flag flags = Flag(0), DataType default_type = DataType::AUDIO);
76 boost::shared_ptr<IO> input() const { return _input; }
77 boost::shared_ptr<IO> output() const { return _output; }
79 ChanCount n_inputs() const { return _input->n_ports(); }
80 ChanCount n_outputs() const { return _output->n_ports(); }
82 bool active() const { return _active; }
83 void set_active (bool yn);
85 static std::string ensure_track_or_route_name(std::string, Session &);
87 std::string comment() { return _comment; }
88 void set_comment (std::string str, void *src);
90 bool set_name (const std::string& str);
92 long order_key (std::string const &) const;
93 void set_order_key (std::string const &, long);
95 bool is_hidden() const { return _flags & Hidden; }
96 bool is_master() const { return _flags & MasterOut; }
97 bool is_monitor() const { return _flags & MonitorOut; }
99 /* these are the core of the API of a Route. see the protected sections as well */
101 virtual int roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
102 int declick, bool can_record, bool rec_monitors_input, bool& need_butler);
104 virtual int no_roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
105 bool state_changing, bool can_record, bool rec_monitors_input);
107 virtual int silent_roll (nframes_t nframes, sframes_t start_frame, sframes_t end_frame,
108 bool can_record, bool rec_monitors_input, bool& need_butler);
110 virtual void toggle_monitor_input ();
111 virtual bool can_record() { return false; }
113 virtual void set_record_enable (bool /*yn*/, void * /*src*/) {}
114 virtual bool record_enabled() const { return false; }
115 virtual void handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
116 virtual void set_pending_declick (int);
118 /* end of vfunc-based API */
120 void shift (nframes64_t, nframes64_t);
122 void set_gain (gain_t val, void *src);
123 void inc_gain (gain_t delta, void *src);
125 void set_mute_points (MuteMaster::MutePoint);
126 MuteMaster::MutePoint mute_points() const { return _mute_points; }
127 void set_mute (bool yn, void* src);
130 /* controls use set_solo() to modify this route's solo state
133 void set_solo (bool yn, void *src);
134 bool soloed () const { return self_soloed () || soloed_by_others (); }
136 bool soloed_by_others () const { return !_solo_isolated && _soloed_by_others; }
137 bool self_soloed () const { return _self_solo; }
139 void set_solo_isolated (bool yn, void *src);
140 bool solo_isolated() const;
142 void set_solo_safe (bool yn, void *src);
143 bool solo_safe() const;
145 void set_listen (bool yn, void* src);
146 bool listening () const;
148 void set_phase_invert (bool yn);
149 bool phase_invert() const;
151 void set_denormal_protection (bool yn);
152 bool denormal_protection() const;
154 void set_meter_point (MeterPoint);
155 void infer_meter_point () const;
156 MeterPoint meter_point() const { return _meter_point; }
161 boost::shared_ptr<Amp> amp() const { return _amp; }
162 PeakMeter& peak_meter() { return *_meter.get(); }
163 const PeakMeter& peak_meter() const { return *_meter.get(); }
164 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
166 void flush_processors ();
168 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
169 Glib::RWLock::ReaderLock lm (_processor_lock);
170 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
171 method (boost::weak_ptr<Processor> (*i));
175 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
176 Glib::RWLock::ReaderLock lm (_processor_lock);
177 ProcessorList::iterator i;
178 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
179 if (i == _processors.end()) {
180 return boost::shared_ptr<Processor> ();
186 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
187 boost::shared_ptr<Processor> nth_send (uint32_t n);
189 bool processor_is_prefader (boost::shared_ptr<Processor> p);
191 bool has_io_processor_named (const std::string&);
192 ChanCount max_processor_streams () const { return processor_max_streams; }
194 /* special processors */
196 boost::shared_ptr<Delivery> monitor_send() const { return _monitor_send; }
197 boost::shared_ptr<Delivery> main_outs() const { return _main_outs; }
198 boost::shared_ptr<InternalReturn> internal_return() const { return _intreturn; }
199 boost::shared_ptr<MonitorProcessor> monitor_control() const { return _monitor_control; }
200 boost::shared_ptr<Send> internal_send_for (boost::shared_ptr<const Route> target) const;
201 void add_internal_return ();
202 BufferSet* get_return_buffer () const;
203 void release_return_buffer () const;
204 void put_monitor_send_at (Placement);
206 /** A record of the stream configuration at some point in the processor list.
207 * Used to return where and why an processor list configuration request failed.
209 struct ProcessorStreams {
210 ProcessorStreams(size_t i=0, ChanCount c=ChanCount()) : index(i), count(c) {}
212 uint32_t index; ///< Index of processor where configuration failed
213 ChanCount count; ///< Input requested of processor
216 int add_processor (boost::shared_ptr<Processor>, Placement placement, ProcessorStreams* err = 0);
217 int add_processor (boost::shared_ptr<Processor>, ProcessorList::iterator iter, ProcessorStreams* err = 0, bool activation_allowed = true);
218 int add_processors (const ProcessorList&, boost::shared_ptr<Processor> before, ProcessorStreams* err = 0);
219 int add_processors (const ProcessorList&, ProcessorList::iterator iter, ProcessorStreams* err = 0);
220 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
221 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
222 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
223 void disable_processors (Placement);
224 void disable_processors ();
225 void disable_plugins (Placement);
226 void disable_plugins ();
227 void ab_plugins (bool forward);
228 void clear_processors (Placement);
229 void all_processors_flip();
230 void all_processors_active (Placement, bool state);
232 virtual nframes_t update_total_latency();
233 void set_latency_delay (nframes_t);
234 void set_user_latency (nframes_t);
235 nframes_t initial_delay() const { return _initial_delay; }
237 PBD::Signal0<void> active_changed;
238 PBD::Signal0<void> phase_invert_changed;
239 PBD::Signal0<void> denormal_protection_changed;
240 PBD::Signal1<void,void*> listen_changed;
241 PBD::Signal1<void,void*> solo_changed;
242 PBD::Signal1<void,void*> solo_safe_changed;
243 PBD::Signal1<void,void*> solo_isolated_changed;
244 PBD::Signal1<void,void*> comment_changed;
245 PBD::Signal1<void,void*> mute_changed;
246 PBD::Signal0<void> mute_points_changed;
248 /** the processors have changed; the parameter indicates what changed */
249 PBD::Signal1<void,RouteProcessorChange> processors_changed;
250 PBD::Signal1<void,void*> record_enable_changed;
251 /** the metering point has changed */
252 PBD::Signal0<void> meter_change;
253 PBD::Signal0<void> signal_latency_changed;
254 PBD::Signal0<void> initial_delay_changed;
256 /* gui's call this for their own purposes. */
258 PBD::Signal2<void,std::string,void*> gui_changed;
262 XMLNode& get_state();
263 int set_state (const XMLNode&, int version);
264 virtual XMLNode& get_template();
266 XMLNode& get_processor_state ();
267 virtual void set_processor_state (const XMLNode&);
269 int save_as_template (const std::string& path, const std::string& name);
271 PBD::Signal1<void,void*> SelectedChanged;
273 int listen_via (boost::shared_ptr<Route>, Placement p, bool active, bool aux);
274 void drop_listen (boost::shared_ptr<Route>);
276 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
277 std::set<boost::weak_ptr<Route> > fed_by;
279 /* Controls (not all directly owned by the Route */
281 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
283 struct SoloControllable : public AutomationControl {
284 SoloControllable (std::string name, Route&);
285 void set_value (float);
286 float get_value (void) const;
291 struct MuteControllable : public AutomationControl {
292 MuteControllable (std::string name, Route&);
293 void set_value (float);
294 float get_value (void) const;
299 boost::shared_ptr<AutomationControl> solo_control() const {
300 return _solo_control;
303 boost::shared_ptr<AutomationControl> mute_control() const {
304 return _mute_control;
307 boost::shared_ptr<MuteMaster> mute_master() const {
311 /* Route doesn't own these items, but sub-objects that it does own have them
312 and to make UI code a bit simpler, we provide direct access to them
316 boost::shared_ptr<Panner> panner() const;
317 boost::shared_ptr<AutomationControl> gain_control() const;
319 void automation_snapshot (nframes_t now, bool force=false);
320 void protect_automation ();
322 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
323 uint32_t remote_control_id () const;
325 /* for things concerned about *this* route's RID */
327 PBD::Signal0<void> RemoteControlIDChanged;
329 /* for things concerned about any route's RID changes */
331 static PBD::Signal0<void> RemoteControlIDChange;
333 void sync_order_keys (std::string const &);
334 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
337 friend class Session;
339 void catch_up_on_solo_mute_override ();
340 void mod_solo_by_others (int32_t);
341 void set_block_size (nframes_t nframes);
342 bool has_external_redirects() const;
343 void curve_reallocate ();
344 void just_meter_input (sframes_t start_frame, sframes_t end_frame, nframes_t nframes);
347 nframes_t check_initial_delay (nframes_t, nframes_t&);
349 void passthru (sframes_t start_frame, sframes_t end_frame,
350 nframes_t nframes, int declick);
352 virtual void write_out_of_band_data (BufferSet& /* bufs */, sframes_t /* start_frame */, sframes_t /* end_frame */,
353 nframes_t /* nframes */) {}
355 virtual void process_output_buffers (BufferSet& bufs,
356 sframes_t start_frame, sframes_t end_frame,
357 nframes_t nframes, bool with_processors, int declick);
359 boost::shared_ptr<IO> _input;
360 boost::shared_ptr<IO> _output;
363 nframes_t _initial_delay;
364 nframes_t _roll_delay;
366 ProcessorList _processors;
367 mutable Glib::RWLock _processor_lock;
368 boost::shared_ptr<Delivery> _main_outs;
369 boost::shared_ptr<Delivery> _monitor_send;
370 boost::shared_ptr<InternalReturn> _intreturn;
371 boost::shared_ptr<MonitorProcessor> _monitor_control;
374 int _pending_declick;
375 MeterPoint _meter_point;
376 uint32_t _phase_invert;
378 uint32_t _soloed_by_others;
379 uint32_t _solo_isolated;
381 bool _denormal_protection;
383 bool _recordable : 1;
385 bool _declickable : 1;
387 boost::shared_ptr<SoloControllable> _solo_control;
388 boost::shared_ptr<MuteControllable> _mute_control;
389 boost::shared_ptr<MuteMaster> _mute_master;
390 MuteMaster::MutePoint _mute_points;
392 std::string _comment;
393 bool _have_internal_generator;
395 DataType _default_type;
397 virtual ChanCount input_streams () const;
400 virtual XMLNode& state(bool);
402 int configure_processors (ProcessorStreams*);
404 void passthru_silence (sframes_t start_frame, sframes_t end_frame,
405 nframes_t nframes, int declick);
407 void silence (nframes_t nframes);
409 ChanCount processor_max_streams;
410 uint32_t _remote_control_id;
412 uint32_t pans_required() const;
413 ChanCount n_process_buffers ();
415 virtual int _set_state (const XMLNode&, int, bool call_base);
417 boost::shared_ptr<Amp> _amp;
418 boost::shared_ptr<PeakMeter> _meter;
421 int _set_state_2X (const XMLNode&, int);
422 void set_processor_state_2X (XMLNodeList const &, int);
424 static uint32_t order_key_cnt;
426 typedef std::map<std::string, long> OrderKeys;
427 OrderKeys order_keys;
429 void input_change_handler (IOChange, void *src);
430 void output_change_handler (IOChange, void *src);
432 bool _in_configure_processors;
434 int configure_processors_unlocked (ProcessorStreams*);
436 bool add_processor_from_xml (const XMLNode&, ProcessorList::iterator iter);
437 bool add_processor_from_xml_2X (const XMLNode&, int, ProcessorList::iterator iter);
439 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
441 void set_self_solo (bool yn);
442 void set_delivery_solo ();
443 void markup_solo_ignore ();
446 } // namespace ARDOUR
448 #endif /* __ardour_route_h__ */