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 void toggle_monitor_input ();
122 virtual bool can_record() { return false; }
124 virtual void set_record_enabled (bool /*yn*/, void * /*src*/) {}
125 virtual bool record_enabled() const { return false; }
126 virtual void nonrealtime_handle_transport_stopped (bool abort, bool did_locate, bool flush_processors);
127 virtual void realtime_handle_transport_stopped () {}
128 virtual void realtime_locate () {}
129 virtual void set_pending_declick (int);
131 /* end of vfunc-based API */
133 void shift (framepos_t, framepos_t);
135 void set_gain (gain_t val, void *src);
136 void inc_gain (gain_t delta, void *src);
138 void set_mute_points (MuteMaster::MutePoint);
139 MuteMaster::MutePoint mute_points () const;
142 void set_mute (bool yn, void* src);
144 /* controls use set_solo() to modify this route's solo state
147 void set_solo (bool yn, void *src);
148 bool soloed () const { return self_soloed () || soloed_by_others (); }
150 bool soloed_by_others () const { return _soloed_by_others_upstream||_soloed_by_others_downstream; }
151 bool soloed_by_others_upstream () const { return _soloed_by_others_upstream; }
152 bool soloed_by_others_downstream () const { return _soloed_by_others_downstream; }
153 bool self_soloed () const { return _self_solo; }
155 void set_solo_isolated (bool yn, void *src);
156 bool solo_isolated() const;
158 void set_solo_safe (bool yn, void *src);
159 bool solo_safe() const;
161 void set_listen (bool yn, void* src);
162 bool listening_via_monitor () const;
164 void set_phase_invert (uint32_t, bool yn);
165 void set_phase_invert (boost::dynamic_bitset<>);
166 bool phase_invert (uint32_t) const;
167 boost::dynamic_bitset<> phase_invert () const;
169 void set_denormal_protection (bool yn);
170 bool denormal_protection() const;
172 void set_meter_point (MeterPoint, bool force = false);
173 MeterPoint meter_point() const { return _meter_point; }
178 boost::shared_ptr<Amp> amp() const { return _amp; }
179 PeakMeter& peak_meter() { return *_meter.get(); }
180 const PeakMeter& peak_meter() const { return *_meter.get(); }
181 boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
183 void flush_processors ();
185 void foreach_processor (boost::function<void(boost::weak_ptr<Processor>)> method) {
186 Glib::RWLock::ReaderLock lm (_processor_lock);
187 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
188 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i)) {
191 method (boost::weak_ptr<Processor> (*i));
195 boost::shared_ptr<Processor> nth_processor (uint32_t n) {
196 Glib::RWLock::ReaderLock lm (_processor_lock);
197 ProcessorList::iterator i;
198 for (i = _processors.begin(); i != _processors.end() && n; ++i, --n) {}
199 if (i == _processors.end()) {
200 return boost::shared_ptr<Processor> ();
206 boost::shared_ptr<Processor> nth_plugin (uint32_t n);
207 boost::shared_ptr<Processor> nth_send (uint32_t n);
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<InternalSend> 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, bool activation_allowed = true);
238 int add_processor_by_index (boost::shared_ptr<Processor>, int, ProcessorStreams* err = 0, bool activation_allowed = true);
239 int add_processor (boost::shared_ptr<Processor>, ProcessorList::iterator iter, ProcessorStreams* err = 0, bool activation_allowed = true);
240 int add_processors (const ProcessorList&, boost::shared_ptr<Processor> before, ProcessorStreams* err = 0);
241 int remove_processor (boost::shared_ptr<Processor>, ProcessorStreams* err = 0);
242 int remove_processors (const ProcessorList&, ProcessorStreams* err = 0);
243 int reorder_processors (const ProcessorList& new_order, ProcessorStreams* err = 0);
244 void disable_processors (Placement);
245 void disable_processors ();
246 void disable_plugins (Placement);
247 void disable_plugins ();
248 void ab_plugins (bool forward);
249 void clear_processors (Placement);
250 void all_visible_processors_active (bool);
252 framecnt_t set_private_port_latencies (bool playback) const;
253 void set_public_port_latencies (framecnt_t, bool playback) const;
255 framecnt_t update_signal_latency();
256 virtual void set_latency_compensation (framecnt_t);
258 void set_user_latency (framecnt_t);
259 framecnt_t initial_delay() const { return _initial_delay; }
260 framecnt_t signal_latency() const { return _signal_latency; }
262 PBD::Signal0<void> active_changed;
263 PBD::Signal0<void> phase_invert_changed;
264 PBD::Signal0<void> denormal_protection_changed;
265 PBD::Signal1<void,void*> listen_changed;
266 PBD::Signal2<void,bool,void*> solo_changed;
267 PBD::Signal1<void,void*> solo_safe_changed;
268 PBD::Signal1<void,void*> solo_isolated_changed;
269 PBD::Signal1<void,void*> comment_changed;
270 PBD::Signal1<void,void*> mute_changed;
271 PBD::Signal0<void> mute_points_changed;
273 /** the processors have changed; the parameter indicates what changed */
274 PBD::Signal1<void,RouteProcessorChange> processors_changed;
275 PBD::Signal1<void,void*> record_enable_changed;
276 /** the metering point has changed */
277 PBD::Signal0<void> meter_change;
278 PBD::Signal0<void> signal_latency_changed;
279 PBD::Signal0<void> initial_delay_changed;
280 PBD::Signal0<void> order_key_changed;
282 /** Emitted with the process lock held */
283 PBD::Signal0<void> io_changed;
285 /* gui's call this for their own purposes. */
287 PBD::Signal2<void,std::string,void*> gui_changed;
291 XMLNode& get_state();
292 virtual int set_state (const XMLNode&, int version);
293 virtual XMLNode& get_template();
295 XMLNode& get_processor_state ();
296 virtual void set_processor_state (const XMLNode&);
298 int save_as_template (const std::string& path, const std::string& name);
300 PBD::Signal1<void,void*> SelectedChanged;
302 int listen_via_monitor ();
303 int listen_via (boost::shared_ptr<Route>, Placement p);
304 void drop_listen (boost::shared_ptr<Route>);
307 * return true if this route feeds the first argument via at least one
308 * (arbitrarily long) signal pathway.
310 bool feeds (boost::shared_ptr<Route>, bool* via_send_only = 0);
313 * return true if this route feeds the first argument directly, via
314 * either its main outs or a send. This is checked by the actual
315 * connections, rather than by what the graph is currently doing.
317 bool direct_feeds_according_to_reality (boost::shared_ptr<Route>, bool* via_send_only = 0);
320 * return true if this route feeds the first argument directly, via
321 * either its main outs or a send, according to the graph that
322 * is currently being processed.
324 bool direct_feeds_according_to_graph (boost::shared_ptr<Route>, bool* via_send_only = 0);
327 boost::weak_ptr<Route> r;
330 FeedRecord (boost::shared_ptr<Route> rp, bool sendsonly)
332 , sends_only (sendsonly) {}
335 struct FeedRecordCompare {
336 bool operator() (const FeedRecord& a, const FeedRecord& b) const {
341 typedef std::set<FeedRecord,FeedRecordCompare> FedBy;
343 const FedBy& fed_by() const { return _fed_by; }
344 void clear_fed_by ();
345 bool add_fed_by (boost::shared_ptr<Route>, bool sends_only);
347 /* Controls (not all directly owned by the Route */
349 boost::shared_ptr<AutomationControl> get_control (const Evoral::Parameter& param);
351 class SoloControllable : public AutomationControl {
353 SoloControllable (std::string name, boost::shared_ptr<Route>);
354 void set_value (double);
355 double get_value () const;
358 boost::weak_ptr<Route> _route;
361 struct MuteControllable : public AutomationControl {
363 MuteControllable (std::string name, boost::shared_ptr<Route>);
364 void set_value (double);
365 double get_value () const;
368 boost::weak_ptr<Route> _route;
371 boost::shared_ptr<AutomationControl> solo_control() const {
372 return _solo_control;
375 boost::shared_ptr<AutomationControl> mute_control() const {
376 return _mute_control;
379 boost::shared_ptr<MuteMaster> mute_master() const {
383 /* Route doesn't own these items, but sub-objects that it does own have them
384 and to make UI code a bit simpler, we provide direct access to them
388 boost::shared_ptr<Panner> panner() const; /* may return null */
389 boost::shared_ptr<PannerShell> panner_shell() const;
390 boost::shared_ptr<AutomationControl> gain_control() const;
391 boost::shared_ptr<Pannable> pannable() const;
393 void automation_snapshot (framepos_t now, bool force=false);
394 void protect_automation ();
396 void set_remote_control_id (uint32_t id, bool notify_class_listeners = true);
397 uint32_t remote_control_id () const;
399 /* for things concerned about *this* route's RID */
401 PBD::Signal0<void> RemoteControlIDChanged;
403 /* for things concerned about any route's RID changes */
405 static PBD::Signal0<void> RemoteControlIDChange;
407 void sync_order_keys (std::string const &);
408 static PBD::Signal1<void,std::string const &> SyncOrderKeys;
411 friend class Session;
413 void catch_up_on_solo_mute_override ();
414 void mod_solo_by_others_upstream (int32_t);
415 void mod_solo_by_others_downstream (int32_t);
416 bool has_external_redirects() const;
417 void curve_reallocate ();
418 virtual void set_block_size (pframes_t nframes);
421 virtual framecnt_t check_initial_delay (framecnt_t nframes, framecnt_t&) { return nframes; }
423 void passthru (framepos_t start_frame, framepos_t end_frame,
424 pframes_t nframes, int declick);
426 virtual void write_out_of_band_data (BufferSet& /* bufs */, framepos_t /* start_frame */, framepos_t /* end_frame */,
427 framecnt_t /* nframes */) {}
429 virtual void process_output_buffers (BufferSet& bufs,
430 framepos_t start_frame, framepos_t end_frame,
431 pframes_t nframes, int declick,
432 bool gain_automation_ok);
434 boost::shared_ptr<IO> _input;
435 boost::shared_ptr<IO> _output;
438 framecnt_t _signal_latency;
439 framecnt_t _initial_delay;
440 framecnt_t _roll_delay;
442 ProcessorList _processors;
443 mutable Glib::RWLock _processor_lock;
444 boost::shared_ptr<Delivery> _main_outs;
445 boost::shared_ptr<InternalSend> _monitor_send;
446 boost::shared_ptr<InternalReturn> _intreturn;
447 boost::shared_ptr<MonitorProcessor> _monitor_control;
448 boost::shared_ptr<Pannable> _pannable;
451 int _pending_declick;
452 MeterPoint _meter_point;
453 boost::dynamic_bitset<> _phase_invert;
455 uint32_t _soloed_by_others_upstream;
456 uint32_t _soloed_by_others_downstream;
457 uint32_t _solo_isolated;
459 bool _denormal_protection;
461 bool _recordable : 1;
463 bool _declickable : 1;
465 boost::shared_ptr<SoloControllable> _solo_control;
466 boost::shared_ptr<MuteControllable> _mute_control;
467 boost::shared_ptr<MuteMaster> _mute_master;
469 std::string _comment;
470 bool _have_internal_generator;
472 DataType _default_type;
475 virtual ChanCount input_streams () const;
478 virtual XMLNode& state(bool);
480 int configure_processors (ProcessorStreams*);
482 void passthru_silence (framepos_t start_frame, framepos_t end_frame,
483 pframes_t nframes, int declick);
485 void silence (framecnt_t);
486 void silence_unlocked (framecnt_t);
488 ChanCount processor_max_streams;
489 uint32_t _remote_control_id;
491 uint32_t pans_required() const;
492 ChanCount n_process_buffers ();
494 virtual bool should_monitor () const;
495 virtual void maybe_declick (BufferSet&, framecnt_t, int);
497 boost::shared_ptr<Amp> _amp;
498 boost::shared_ptr<PeakMeter> _meter;
501 int set_state_2X (const XMLNode&, int);
502 void set_processor_state_2X (XMLNodeList const &, int);
504 static uint32_t order_key_cnt;
506 typedef std::map<std::string, long> OrderKeys;
507 OrderKeys order_keys;
509 void input_change_handler (IOChange, void *src);
510 void output_change_handler (IOChange, void *src);
512 bool input_port_count_changing (ChanCount);
514 bool _in_configure_processors;
516 int configure_processors_unlocked (ProcessorStreams*);
517 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors (ChanCount, ProcessorStreams *);
518 std::list<std::pair<ChanCount, ChanCount> > try_configure_processors_unlocked (ChanCount, ProcessorStreams *);
520 bool add_processor_from_xml_2X (const XMLNode&, int);
522 void placement_range (Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end);
524 void set_self_solo (bool yn);
525 void set_mute_master_solo ();
527 void set_processor_positions ();
528 framecnt_t update_port_latencies (PortSet& ports, PortSet& feeders, bool playback, framecnt_t) const;
530 void setup_invisible_processors ();
533 boost::shared_ptr<CapturingProcessor> _capturing_processor;
535 /** A handy class to keep processor state while we attempt a reconfiguration
538 class ProcessorState {
540 ProcessorState (Route* r)
542 , _processors (r->_processors)
543 , _processor_max_streams (r->processor_max_streams)
547 _route->_processors = _processors;
548 _route->processor_max_streams = _processor_max_streams;
552 /* this should perhaps be a shared_ptr, but ProcessorStates will
553 not hang around long enough for it to matter.
556 ProcessorList _processors;
557 ChanCount _processor_max_streams;
560 friend class ProcessorState;
562 /* no copy construction */
563 Route (Route const &);
565 void maybe_note_meter_position ();
567 /** true if we've made a note of a custom meter position in these variables */
568 bool _custom_meter_position_noted;
569 /** the processor that came after the meter when it was last set to a custom position,
572 boost::weak_ptr<Processor> _processor_after_last_custom_meter;
573 /** true if the last custom meter position was at the end of the processor list */
574 bool _last_custom_meter_was_at_end;
577 } // namespace ARDOUR
579 #endif /* __ardour_route_h__ */