2 Copyright (C) 2000 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.
21 #include "libardour-config.h"
29 #include "pbd/xml++.h"
30 #include "pbd/enumwriter.h"
31 #include "pbd/memento_command.h"
32 #include "pbd/stacktrace.h"
33 #include "pbd/convert.h"
34 #include "pbd/boost_debug.h"
36 #include "evoral/Curve.hpp"
38 #include "ardour/amp.h"
39 #include "ardour/audio_port.h"
40 #include "ardour/audioengine.h"
41 #include "ardour/buffer.h"
42 #include "ardour/buffer_set.h"
43 #include "ardour/configuration.h"
44 #include "ardour/cycle_timer.h"
45 #include "ardour/debug.h"
46 #include "ardour/delivery.h"
47 #include "ardour/dB.h"
48 #include "ardour/internal_send.h"
49 #include "ardour/internal_return.h"
50 #include "ardour/ladspa_plugin.h"
51 #include "ardour/meter.h"
52 #include "ardour/mix.h"
53 #include "ardour/monitor_processor.h"
54 #include "ardour/pannable.h"
55 #include "ardour/panner.h"
56 #include "ardour/panner_shell.h"
57 #include "ardour/plugin_insert.h"
58 #include "ardour/port.h"
59 #include "ardour/port_insert.h"
60 #include "ardour/processor.h"
61 #include "ardour/profile.h"
62 #include "ardour/route.h"
63 #include "ardour/route_group.h"
64 #include "ardour/send.h"
65 #include "ardour/session.h"
66 #include "ardour/timestamps.h"
67 #include "ardour/utils.h"
68 #include "ardour/unknown_processor.h"
69 #include "ardour/capturing_processor.h"
74 using namespace ARDOUR;
77 uint32_t Route::order_key_cnt = 0;
78 PBD::Signal1<void,string const&> Route::SyncOrderKeys;
79 PBD::Signal0<void> Route::RemoteControlIDChange;
81 Route::Route (Session& sess, string name, Flag flg, DataType default_type)
82 : SessionObject (sess, name)
84 , GraphNode (sess._process_graph)
90 , _pending_declick (true)
91 , _meter_point (MeterPostFader)
93 , _soloed_by_others_upstream (0)
94 , _soloed_by_others_downstream (0)
96 , _denormal_protection (false)
99 , _declickable (false)
100 , _mute_master (new MuteMaster (sess, name))
101 , _have_internal_generator (false)
103 , _default_type (default_type)
104 , _remote_control_id (0)
105 , _in_configure_processors (false)
106 , _custom_meter_position_noted (false)
107 , _last_custom_meter_was_at_end (false)
109 processor_max_streams.reset();
110 order_keys[N_("signal")] = order_key_cnt++;
113 set_remote_control_id (MasterBusRemoteControlID);
114 } else if (is_monitor()) {
115 set_remote_control_id (MonitorBusRemoteControlID);
123 /* add standard controls */
125 _solo_control.reset (new SoloControllable (X_("solo"), shared_from_this ()));
126 _mute_control.reset (new MuteControllable (X_("mute"), shared_from_this ()));
128 _solo_control->set_flags (Controllable::Flag (_solo_control->flags() | Controllable::Toggle));
129 _mute_control->set_flags (Controllable::Flag (_mute_control->flags() | Controllable::Toggle));
131 add_control (_solo_control);
132 add_control (_mute_control);
136 if (!(_flags & Route::MonitorOut)) {
137 _pannable.reset (new Pannable (_session));
140 /* input and output objects */
142 _input.reset (new IO (_session, _name, IO::Input, _default_type));
143 _output.reset (new IO (_session, _name, IO::Output, _default_type));
145 _input->changed.connect_same_thread (*this, boost::bind (&Route::input_change_handler, this, _1, _2));
146 _input->PortCountChanging.connect_same_thread (*this, boost::bind (&Route::input_port_count_changing, this, _1));
148 _output->changed.connect_same_thread (*this, boost::bind (&Route::output_change_handler, this, _1, _2));
150 /* add amp processor */
152 _amp.reset (new Amp (_session));
153 add_processor (_amp, PostFader);
155 /* create standard processors: meter, main outs, monitor out;
156 they will be added to _processors by setup_invisible_processors ()
159 _meter.reset (new PeakMeter (_session));
160 _meter->set_display_to_user (false);
163 _main_outs.reset (new Delivery (_session, _output, _pannable, _mute_master, _name, Delivery::Main));
164 _main_outs->activate ();
167 /* where we listen to tracks */
168 _intreturn.reset (new InternalReturn (_session));
169 _intreturn->activate ();
171 /* the thing that provides proper control over a control/monitor/listen bus
172 (such as per-channel cut, dim, solo, invert, etc).
174 _monitor_control.reset (new MonitorProcessor (_session));
175 _monitor_control->activate ();
178 if (is_master() || is_monitor() || is_hidden()) {
179 _mute_master->set_solo_ignore (true);
182 /* now that we have _meter, its safe to connect to this */
184 Metering::Meter.connect_same_thread (*this, (boost::bind (&Route::meter, this)));
187 /* run a configure so that the invisible processors get set up */
188 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
189 configure_processors (0);
197 DEBUG_TRACE (DEBUG::Destruction, string_compose ("route %1 destructor\n", _name));
199 /* do this early so that we don't get incoming signals as we are going through destruction
204 /* don't use clear_processors here, as it depends on the session which may
205 be half-destroyed by now
208 Glib::RWLock::WriterLock lm (_processor_lock);
209 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
210 (*i)->drop_references ();
213 _processors.clear ();
217 Route::set_remote_control_id (uint32_t id, bool notify_class_listeners)
219 /* force IDs for master/monitor busses and prevent
220 any other route from accidentally getting these IDs
221 (i.e. legacy sessions)
224 if (is_master() && id != MasterBusRemoteControlID) {
225 id = MasterBusRemoteControlID;
228 if (is_monitor() && id != MonitorBusRemoteControlID) {
229 id = MonitorBusRemoteControlID;
232 /* don't allow it to collide */
234 if (!is_master () && !is_monitor() &&
235 (id == MasterBusRemoteControlID || id == MonitorBusRemoteControlID)) {
236 id += MonitorBusRemoteControlID;
239 if (id != _remote_control_id) {
240 _remote_control_id = id;
241 RemoteControlIDChanged ();
242 if (notify_class_listeners) {
243 RemoteControlIDChange ();
249 Route::remote_control_id() const
251 return _remote_control_id;
255 Route::order_key (std::string const & name) const
257 OrderKeys::const_iterator i = order_keys.find (name);
258 if (i == order_keys.end()) {
266 Route::set_order_key (std::string const & name, int32_t n)
268 bool changed = false;
270 /* This method looks more complicated than it should, but
271 it's important that we don't emit order_key_changed unless
272 it actually has, as expensive things happen on receipt of that
276 if (order_keys.find(name) == order_keys.end() || order_keys[name] != n) {
277 order_keys[name] = n;
281 if (Config->get_sync_all_route_ordering()) {
282 for (OrderKeys::iterator x = order_keys.begin(); x != order_keys.end(); ++x) {
283 if (x->second != n) {
291 order_key_changed (); /* EMIT SIGNAL */
292 _session.set_dirty ();
296 /** Set all order keys to be the same as that for `base', if such a key
297 * exists in this route.
298 * @param base Base key.
301 Route::sync_order_keys (std::string const & base)
303 if (order_keys.empty()) {
307 OrderKeys::iterator i;
310 if ((i = order_keys.find (base)) == order_keys.end()) {
311 /* key doesn't exist, use the first existing key (during session initialization) */
312 i = order_keys.begin();
316 /* key exists - use it and reset all others (actually, itself included) */
318 i = order_keys.begin();
321 bool changed = false;
323 for (; i != order_keys.end(); ++i) {
324 if (i->second != key) {
331 order_key_changed (); /* EMIT SIGNAL */
336 Route::ensure_track_or_route_name(string name, Session &session)
338 string newname = name;
340 while (!session.io_name_is_legal (newname)) {
341 newname = bump_name_once (newname, '.');
349 Route::inc_gain (gain_t fraction, void *src)
351 _amp->inc_gain (fraction, src);
355 Route::set_gain (gain_t val, void *src)
357 if (src != 0 && _route_group && src != _route_group && _route_group->is_active() && _route_group->is_gain()) {
359 if (_route_group->is_relative()) {
361 gain_t usable_gain = _amp->gain();
362 if (usable_gain < 0.000001f) {
363 usable_gain = 0.000001f;
367 if (delta < 0.000001f) {
371 delta -= usable_gain;
376 gain_t factor = delta / usable_gain;
379 factor = _route_group->get_max_factor(factor);
380 if (factor == 0.0f) {
381 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
385 factor = _route_group->get_min_factor(factor);
386 if (factor == 0.0f) {
387 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
392 _route_group->foreach_route (boost::bind (&Route::inc_gain, _1, factor, _route_group));
396 _route_group->foreach_route (boost::bind (&Route::set_gain, _1, val, _route_group));
402 if (val == _amp->gain()) {
406 _amp->set_gain (val, src);
410 Route::maybe_declick (BufferSet&, framecnt_t, int)
412 /* this is the "bus" implementation and they never declick.
417 /** Process this route for one (sub) cycle (process thread)
419 * @param bufs Scratch buffers to use for the signal path
420 * @param start_frame Initial transport frame
421 * @param end_frame Final transport frame
422 * @param nframes Number of frames to output (to ports)
424 * Note that (end_frame - start_frame) may not be equal to nframes when the
425 * transport speed isn't 1.0 (eg varispeed).
428 Route::process_output_buffers (BufferSet& bufs,
429 framepos_t start_frame, framepos_t end_frame, pframes_t nframes,
430 int declick, bool gain_automation_ok)
432 bufs.set_is_silent (false);
434 /* figure out if we're going to use gain automation */
435 if (gain_automation_ok) {
436 _amp->setup_gain_automation (start_frame, end_frame, nframes);
438 _amp->apply_gain_automation (false);
441 /* Tell main outs what to do about monitoring. We do this so that
442 on a transition between monitoring states we get a de-clicking gain
443 change in the _main_outs delivery.
445 _main_outs->no_outs_cuz_we_no_monitor (monitoring_state () == MonitoringSilence);
448 /* -------------------------------------------------------------------------------------------
449 GLOBAL DECLICK (for transport changes etc.)
450 ----------------------------------------------------------------------------------------- */
452 maybe_declick (bufs, nframes, declick);
453 _pending_declick = 0;
455 /* -------------------------------------------------------------------------------------------
456 DENORMAL CONTROL/PHASE INVERT
457 ----------------------------------------------------------------------------------------- */
459 if (_phase_invert.any ()) {
463 if (_denormal_protection || Config->get_denormal_protection()) {
465 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
466 Sample* const sp = i->data();
468 if (_phase_invert[chn]) {
469 for (pframes_t nx = 0; nx < nframes; ++nx) {
474 for (pframes_t nx = 0; nx < nframes; ++nx) {
482 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
483 Sample* const sp = i->data();
485 if (_phase_invert[chn]) {
486 for (pframes_t nx = 0; nx < nframes; ++nx) {
495 if (_denormal_protection || Config->get_denormal_protection()) {
497 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
498 Sample* const sp = i->data();
499 for (pframes_t nx = 0; nx < nframes; ++nx) {
507 /* -------------------------------------------------------------------------------------------
509 ----------------------------------------------------------------------------------------- */
511 /* set this to be true if the meter will already have been ::run() earlier */
512 bool const meter_already_run = metering_state() == MeteringInput;
514 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
516 if (meter_already_run && boost::dynamic_pointer_cast<PeakMeter> (*i)) {
517 /* don't ::run() the meter, otherwise it will have its previous peak corrupted */
522 /* if it has any inputs, make sure they match */
523 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i) == 0 && (*i)->input_streams() != ChanCount::ZERO) {
524 if (bufs.count() != (*i)->input_streams()) {
525 cerr << _name << " bufs = " << bufs.count()
526 << " input for " << (*i)->name() << " = " << (*i)->input_streams()
533 /* should we NOT run plugins here if the route is inactive?
534 do we catch route != active somewhere higher?
537 (*i)->run (bufs, start_frame, end_frame, nframes, *i != _processors.back());
538 bufs.set_count ((*i)->output_streams());
543 Route::n_process_buffers ()
545 return max (_input->n_ports(), processor_max_streams);
549 Route::passthru (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
551 BufferSet& bufs = _session.get_scratch_buffers (n_process_buffers());
555 assert (bufs.available() >= input_streams());
557 if (_input->n_ports() == ChanCount::ZERO) {
558 silence_unlocked (nframes);
561 bufs.set_count (input_streams());
563 if (is_monitor() && _session.listening() && !_session.is_auditioning()) {
565 /* control/monitor bus ignores input ports when something is
566 feeding the listen "stream". data will "arrive" into the
567 route from the intreturn processor element.
569 bufs.silence (nframes, 0);
573 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
575 BufferSet::iterator o = bufs.begin(*t);
576 PortSet& ports (_input->ports());
578 for (PortSet::iterator i = ports.begin(*t); i != ports.end(*t); ++i, ++o) {
579 o->read_from (i->get_buffer(nframes), nframes);
584 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
585 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, true);
589 Route::passthru_silence (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
591 BufferSet& bufs (_session.get_silent_buffers (n_process_buffers()));
593 bufs.set_count (_input->n_ports());
594 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
595 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, false);
599 Route::set_listen (bool yn, void* src)
605 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
606 _route_group->foreach_route (boost::bind (&Route::set_listen, _1, yn, _route_group));
611 if (yn != _monitor_send->active()) {
613 _monitor_send->activate ();
614 _mute_master->set_soloed (true);
616 _monitor_send->deactivate ();
617 _mute_master->set_soloed (false);
620 listen_changed (src); /* EMIT SIGNAL */
626 Route::listening_via_monitor () const
629 return _monitor_send->active ();
636 Route::set_solo_safe (bool yn, void *src)
638 if (_solo_safe != yn) {
640 solo_safe_changed (src);
645 Route::solo_safe() const
651 Route::set_solo (bool yn, void *src)
657 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
658 _route_group->foreach_route (boost::bind (&Route::set_solo, _1, yn, _route_group));
662 if (self_soloed() != yn) {
664 set_mute_master_solo ();
665 solo_changed (true, src); /* EMIT SIGNAL */
666 _solo_control->Changed (); /* EMIT SIGNAL */
671 Route::set_self_solo (bool yn)
677 Route::mod_solo_by_others_upstream (int32_t delta)
683 uint32_t old_sbu = _soloed_by_others_upstream;
686 if (_soloed_by_others_upstream >= (uint32_t) abs (delta)) {
687 _soloed_by_others_upstream += delta;
689 _soloed_by_others_upstream = 0;
692 _soloed_by_others_upstream += delta;
695 DEBUG_TRACE (DEBUG::Solo, string_compose (
696 "%1 SbU delta %2 = %3 old = %4 sbd %5 ss %6 exclusive %7\n",
697 name(), delta, _soloed_by_others_upstream, old_sbu,
698 _soloed_by_others_downstream, _self_solo, Config->get_exclusive_solo()));
700 /* push the inverse solo change to everything that feeds us.
702 This is important for solo-within-group. When we solo 1 track out of N that
703 feed a bus, that track will cause mod_solo_by_upstream (+1) to be called
704 on the bus. The bus then needs to call mod_solo_by_downstream (-1) on all
705 tracks that feed it. This will silence them if they were audible because
706 of a bus solo, but the newly soloed track will still be audible (because
709 but .. do this only when we are being told to solo-by-upstream (i.e delta = +1),
713 if ((_self_solo || _soloed_by_others_downstream) &&
714 ((old_sbu == 0 && _soloed_by_others_upstream > 0) ||
715 (old_sbu > 0 && _soloed_by_others_upstream == 0))) {
717 if (delta > 0 || !Config->get_exclusive_solo()) {
718 DEBUG_TRACE (DEBUG::Solo, "\t ... INVERT push\n");
719 for (FedBy::iterator i = _fed_by.begin(); i != _fed_by.end(); ++i) {
720 boost::shared_ptr<Route> sr = i->r.lock();
722 sr->mod_solo_by_others_downstream (-delta);
728 set_mute_master_solo ();
729 solo_changed (false, this);
733 Route::mod_solo_by_others_downstream (int32_t delta)
740 if (_soloed_by_others_downstream >= (uint32_t) abs (delta)) {
741 _soloed_by_others_downstream += delta;
743 _soloed_by_others_downstream = 0;
746 _soloed_by_others_downstream += delta;
749 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 SbD delta %2 = %3\n", name(), delta, _soloed_by_others_downstream));
751 set_mute_master_solo ();
752 solo_changed (false, this);
756 Route::set_mute_master_solo ()
758 _mute_master->set_soloed (self_soloed() || soloed_by_others_downstream() || soloed_by_others_upstream());
762 Route::set_solo_isolated (bool yn, void *src)
764 if (is_master() || is_monitor() || is_hidden()) {
768 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
769 _route_group->foreach_route (boost::bind (&Route::set_solo_isolated, _1, yn, _route_group));
773 /* forward propagate solo-isolate status to everything fed by this route, but not those via sends only */
775 boost::shared_ptr<RouteList> routes = _session.get_routes ();
776 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
778 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
783 bool does_feed = direct_feeds_according_to_graph (*i, &sends_only); // we will recurse anyway, so don't use ::feeds()
785 if (does_feed && !sends_only) {
786 (*i)->set_solo_isolated (yn, (*i)->route_group());
790 /* XXX should we back-propagate as well? (April 2010: myself and chris goddard think not) */
792 bool changed = false;
795 if (_solo_isolated == 0) {
796 _mute_master->set_solo_ignore (true);
801 if (_solo_isolated > 0) {
803 if (_solo_isolated == 0) {
804 _mute_master->set_solo_ignore (false);
811 solo_isolated_changed (src);
816 Route::solo_isolated () const
818 return _solo_isolated > 0;
822 Route::set_mute_points (MuteMaster::MutePoint mp)
824 _mute_master->set_mute_points (mp);
825 mute_points_changed (); /* EMIT SIGNAL */
827 if (_mute_master->muted_by_self()) {
828 mute_changed (this); /* EMIT SIGNAL */
829 _mute_control->Changed (); /* EMIT SIGNAL */
834 Route::set_mute (bool yn, void *src)
836 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_mute()) {
837 _route_group->foreach_route (boost::bind (&Route::set_mute, _1, yn, _route_group));
842 _mute_master->set_muted_by_self (yn);
843 /* allow any derived classes to respond to the mute change
844 before anybody else knows about it.
847 /* tell everyone else */
848 mute_changed (src); /* EMIT SIGNAL */
849 _mute_control->Changed (); /* EMIT SIGNAL */
854 Route::muted () const
856 return _mute_master->muted_by_self();
861 dump_processors(const string& name, const list<boost::shared_ptr<Processor> >& procs)
863 cerr << name << " {" << endl;
864 for (list<boost::shared_ptr<Processor> >::const_iterator p = procs.begin();
865 p != procs.end(); ++p) {
866 cerr << "\t" << (*p)->name() << " ID = " << (*p)->id() << " @ " << (*p) << endl;
872 /** Supposing that we want to insert a Processor at a given Placement, return
873 * the processor to add the new one before (or 0 to add at the end).
875 boost::shared_ptr<Processor>
876 Route::before_processor_for_placement (Placement p)
878 Glib::RWLock::ReaderLock lm (_processor_lock);
880 ProcessorList::iterator loc;
883 /* generic pre-fader: insert immediately before the amp */
884 loc = find (_processors.begin(), _processors.end(), _amp);
886 /* generic post-fader: insert right before the main outs */
887 loc = find (_processors.begin(), _processors.end(), _main_outs);
890 return loc != _processors.end() ? *loc : boost::shared_ptr<Processor> ();
893 /** Supposing that we want to insert a Processor at a given index, return
894 * the processor to add the new one before (or 0 to add at the end).
896 boost::shared_ptr<Processor>
897 Route::before_processor_for_index (int index)
900 return boost::shared_ptr<Processor> ();
903 Glib::RWLock::ReaderLock lm (_processor_lock);
905 ProcessorList::iterator i = _processors.begin ();
907 while (i != _processors.end() && j < index) {
908 if ((*i)->display_to_user()) {
915 return (i != _processors.end() ? *i : boost::shared_ptr<Processor> ());
918 /** Add a processor either pre- or post-fader
919 * @return 0 on success, non-0 on failure.
922 Route::add_processor (boost::shared_ptr<Processor> processor, Placement placement, ProcessorStreams* err, bool activation_allowed)
924 return add_processor (processor, before_processor_for_placement (placement), err, activation_allowed);
928 /** Add a processor to a route such that it ends up with a given index into the visible processors.
929 * @param index Index to add the processor at, or -1 to add at the end of the list.
930 * @return 0 on success, non-0 on failure.
933 Route::add_processor_by_index (boost::shared_ptr<Processor> processor, int index, ProcessorStreams* err, bool activation_allowed)
935 return add_processor (processor, before_processor_for_index (index), err, activation_allowed);
938 /** Add a processor to the route.
939 * @param before An existing processor in the list, or 0; the new processor will be inserted immediately before it (or at the end).
940 * @return 0 on success, non-0 on failure.
943 Route::add_processor (boost::shared_ptr<Processor> processor, boost::shared_ptr<Processor> before, ProcessorStreams* err, bool activation_allowed)
945 assert (processor != _meter);
946 assert (processor != _main_outs);
948 DEBUG_TRACE (DEBUG::Processors, string_compose (
949 "%1 adding processor %2\n", name(), processor->name()));
951 if (!_session.engine().connected() || !processor) {
956 Glib::RWLock::WriterLock lm (_processor_lock);
957 ProcessorState pstate (this);
959 boost::shared_ptr<PluginInsert> pi;
960 boost::shared_ptr<PortInsert> porti;
962 if (processor == _amp) {
963 /* Ensure that only one amp is in the list at any time */
964 ProcessorList::iterator check = find (_processors.begin(), _processors.end(), processor);
965 if (check != _processors.end()) {
966 if (before == _amp) {
967 /* Already in position; all is well */
970 _processors.erase (check);
975 assert (find (_processors.begin(), _processors.end(), processor) == _processors.end ());
977 ProcessorList::iterator loc;
979 /* inserting before a processor; find it */
980 loc = find (_processors.begin(), _processors.end(), before);
981 if (loc == _processors.end ()) {
986 /* inserting at end */
987 loc = _processors.end ();
990 _processors.insert (loc, processor);
992 // Set up processor list channels. This will set processor->[input|output]_streams(),
993 // configure redirect ports properly, etc.
996 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
998 if (configure_processors_unlocked (err)) {
1000 configure_processors_unlocked (0); // it worked before we tried to add it ...
1005 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(processor)) != 0) {
1007 if (pi->has_no_inputs ()) {
1008 /* generator plugin */
1009 _have_internal_generator = true;
1014 if (activation_allowed) {
1015 processor->activate ();
1018 processor->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1020 _output->set_user_latency (0);
1023 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1024 set_processor_positions ();
1030 Route::add_processor_from_xml_2X (const XMLNode& node, int version)
1032 const XMLProperty *prop;
1035 boost::shared_ptr<Processor> processor;
1037 /* bit of a hack: get the `placement' property from the <Redirect> tag here
1038 so that we can add the processor in the right place (pre/post-fader)
1041 XMLNodeList const & children = node.children ();
1042 XMLNodeList::const_iterator i = children.begin ();
1044 while (i != children.end() && (*i)->name() != X_("Redirect")) {
1048 Placement placement = PreFader;
1050 if (i != children.end()) {
1051 if ((prop = (*i)->property (X_("placement"))) != 0) {
1052 placement = Placement (string_2_enum (prop->value(), placement));
1056 if (node.name() == "Insert") {
1058 if ((prop = node.property ("type")) != 0) {
1060 if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
1061 prop->value() == "lv2" ||
1062 prop->value() == "vst" ||
1063 prop->value() == "lxvst" ||
1064 prop->value() == "audiounit") {
1066 processor.reset (new PluginInsert (_session));
1070 processor.reset (new PortInsert (_session, _pannable, _mute_master));
1075 } else if (node.name() == "Send") {
1077 processor.reset (new Send (_session, _pannable, _mute_master));
1081 error << string_compose(_("unknown Processor type \"%1\"; ignored"), node.name()) << endmsg;
1085 if (processor->set_state (node, version)) {
1089 return (add_processor (processor, placement) == 0);
1092 catch (failed_constructor &err) {
1093 warning << _("processor could not be created. Ignored.") << endmsg;
1099 Route::add_processors (const ProcessorList& others, boost::shared_ptr<Processor> before, ProcessorStreams* err)
1101 /* NOTE: this is intended to be used ONLY when copying
1102 processors from another Route. Hence the subtle
1103 differences between this and ::add_processor()
1106 ProcessorList::iterator loc;
1109 loc = find(_processors.begin(), _processors.end(), before);
1111 /* nothing specified - at end */
1112 loc = _processors.end ();
1115 if (!_session.engine().connected()) {
1119 if (others.empty()) {
1124 Glib::RWLock::WriterLock lm (_processor_lock);
1125 ProcessorState pstate (this);
1127 for (ProcessorList::const_iterator i = others.begin(); i != others.end(); ++i) {
1133 boost::shared_ptr<PluginInsert> pi;
1135 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1139 _processors.insert (loc, *i);
1141 if ((*i)->active()) {
1146 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1147 if (configure_processors_unlocked (err)) {
1149 configure_processors_unlocked (0); // it worked before we tried to add it ...
1154 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1157 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
1158 boost::shared_ptr<PluginInsert> pi;
1160 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1161 if (pi->has_no_inputs ()) {
1162 _have_internal_generator = true;
1168 _output->set_user_latency (0);
1171 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1172 set_processor_positions ();
1178 Route::placement_range(Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end)
1180 if (p == PreFader) {
1181 start = _processors.begin();
1182 end = find(_processors.begin(), _processors.end(), _amp);
1184 start = find(_processors.begin(), _processors.end(), _amp);
1186 end = _processors.end();
1190 /** Turn off all processors with a given placement
1191 * @param p Placement of processors to disable
1194 Route::disable_processors (Placement p)
1196 Glib::RWLock::ReaderLock lm (_processor_lock);
1198 ProcessorList::iterator start, end;
1199 placement_range(p, start, end);
1201 for (ProcessorList::iterator i = start; i != end; ++i) {
1202 (*i)->deactivate ();
1205 _session.set_dirty ();
1208 /** Turn off all redirects
1211 Route::disable_processors ()
1213 Glib::RWLock::ReaderLock lm (_processor_lock);
1215 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1216 (*i)->deactivate ();
1219 _session.set_dirty ();
1222 /** Turn off all redirects with a given placement
1223 * @param p Placement of redirects to disable
1226 Route::disable_plugins (Placement p)
1228 Glib::RWLock::ReaderLock lm (_processor_lock);
1230 ProcessorList::iterator start, end;
1231 placement_range(p, start, end);
1233 for (ProcessorList::iterator i = start; i != end; ++i) {
1234 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1235 (*i)->deactivate ();
1239 _session.set_dirty ();
1242 /** Turn off all plugins
1245 Route::disable_plugins ()
1247 Glib::RWLock::ReaderLock lm (_processor_lock);
1249 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1250 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1251 (*i)->deactivate ();
1255 _session.set_dirty ();
1260 Route::ab_plugins (bool forward)
1262 Glib::RWLock::ReaderLock lm (_processor_lock);
1266 /* forward = turn off all active redirects, and mark them so that the next time
1267 we go the other way, we will revert them
1270 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1271 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1275 if ((*i)->active()) {
1276 (*i)->deactivate ();
1277 (*i)->set_next_ab_is_active (true);
1279 (*i)->set_next_ab_is_active (false);
1285 /* backward = if the redirect was marked to go active on the next ab, do so */
1287 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1289 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1293 if ((*i)->get_next_ab_is_active()) {
1296 (*i)->deactivate ();
1301 _session.set_dirty ();
1305 /** Remove processors with a given placement.
1306 * @param p Placement of processors to remove.
1309 Route::clear_processors (Placement p)
1311 if (!_session.engine().connected()) {
1315 bool already_deleting = _session.deletion_in_progress();
1316 if (!already_deleting) {
1317 _session.set_deletion_in_progress();
1321 Glib::RWLock::WriterLock lm (_processor_lock);
1322 ProcessorList new_list;
1323 ProcessorStreams err;
1324 bool seen_amp = false;
1326 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1332 if ((*i) == _amp || (*i) == _meter || (*i) == _main_outs) {
1334 /* you can't remove these */
1336 new_list.push_back (*i);
1343 new_list.push_back (*i);
1346 (*i)->drop_references ();
1354 (*i)->drop_references ();
1357 new_list.push_back (*i);
1364 _processors = new_list;
1367 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1368 configure_processors_unlocked (&err); // this can't fail
1372 processor_max_streams.reset();
1373 _have_internal_generator = false;
1374 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1375 set_processor_positions ();
1377 if (!already_deleting) {
1378 _session.clear_deletion_in_progress();
1383 Route::remove_processor (boost::shared_ptr<Processor> processor, ProcessorStreams* err, bool need_process_lock)
1385 /* these can never be removed */
1387 if (processor == _amp || processor == _meter || processor == _main_outs) {
1391 if (!_session.engine().connected()) {
1395 processor_max_streams.reset();
1398 Glib::RWLock::WriterLock lm (_processor_lock);
1399 ProcessorState pstate (this);
1401 ProcessorList::iterator i;
1402 bool removed = false;
1404 for (i = _processors.begin(); i != _processors.end(); ) {
1405 if (*i == processor) {
1407 /* move along, see failure case for configure_processors()
1408 where we may need to reconfigure the processor.
1411 /* stop redirects that send signals to JACK ports
1412 from causing noise as a result of no longer being
1416 boost::shared_ptr<IOProcessor> iop;
1418 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (*i)) != 0) {
1420 iop->input()->disconnect (this);
1422 if (iop->output()) {
1423 iop->output()->disconnect (this);
1427 i = _processors.erase (i);
1435 _output->set_user_latency (0);
1443 if (need_process_lock) {
1444 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1446 if (configure_processors_unlocked (err)) {
1448 /* we know this will work, because it worked before :) */
1449 configure_processors_unlocked (0);
1453 if (configure_processors_unlocked (err)) {
1455 /* we know this will work, because it worked before :) */
1456 configure_processors_unlocked (0);
1461 _have_internal_generator = false;
1463 for (i = _processors.begin(); i != _processors.end(); ++i) {
1464 boost::shared_ptr<PluginInsert> pi;
1466 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1467 if (pi->has_no_inputs ()) {
1468 _have_internal_generator = true;
1475 processor->drop_references ();
1476 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1477 set_processor_positions ();
1483 Route::remove_processors (const ProcessorList& to_be_deleted, ProcessorStreams* err)
1485 ProcessorList deleted;
1487 if (!_session.engine().connected()) {
1491 processor_max_streams.reset();
1494 Glib::RWLock::WriterLock lm (_processor_lock);
1495 ProcessorState pstate (this);
1497 ProcessorList::iterator i;
1498 boost::shared_ptr<Processor> processor;
1500 for (i = _processors.begin(); i != _processors.end(); ) {
1504 /* these can never be removed */
1506 if (processor == _amp || processor == _meter || processor == _main_outs) {
1511 /* see if its in the list of processors to delete */
1513 if (find (to_be_deleted.begin(), to_be_deleted.end(), processor) == to_be_deleted.end()) {
1518 /* stop IOProcessors that send to JACK ports
1519 from causing noise as a result of no longer being
1523 boost::shared_ptr<IOProcessor> iop;
1525 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (processor)) != 0) {
1529 deleted.push_back (processor);
1530 i = _processors.erase (i);
1533 if (deleted.empty()) {
1534 /* none of those in the requested list were found */
1538 _output->set_user_latency (0);
1541 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1543 if (configure_processors_unlocked (err)) {
1545 /* we know this will work, because it worked before :) */
1546 configure_processors_unlocked (0);
1551 _have_internal_generator = false;
1553 for (i = _processors.begin(); i != _processors.end(); ++i) {
1554 boost::shared_ptr<PluginInsert> pi;
1556 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1557 if (pi->has_no_inputs ()) {
1558 _have_internal_generator = true;
1565 /* now try to do what we need to so that those that were removed will be deleted */
1567 for (ProcessorList::iterator i = deleted.begin(); i != deleted.end(); ++i) {
1568 (*i)->drop_references ();
1571 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1572 set_processor_positions ();
1577 /** Caller must hold process lock */
1579 Route::configure_processors (ProcessorStreams* err)
1581 assert (!AudioEngine::instance()->process_lock().trylock());
1583 if (!_in_configure_processors) {
1584 Glib::RWLock::WriterLock lm (_processor_lock);
1585 return configure_processors_unlocked (err);
1592 Route::input_streams () const
1594 return _input->n_ports ();
1597 list<pair<ChanCount, ChanCount> >
1598 Route::try_configure_processors (ChanCount in, ProcessorStreams* err)
1600 Glib::RWLock::ReaderLock lm (_processor_lock);
1602 return try_configure_processors_unlocked (in, err);
1605 list<pair<ChanCount, ChanCount> >
1606 Route::try_configure_processors_unlocked (ChanCount in, ProcessorStreams* err)
1608 // Check each processor in order to see if we can configure as requested
1610 list<pair<ChanCount, ChanCount> > configuration;
1613 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configure processors\n", _name));
1614 DEBUG_TRACE (DEBUG::Processors, "{\n");
1616 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++index) {
1618 if (boost::dynamic_pointer_cast<UnknownProcessor> (*p)) {
1619 DEBUG_TRACE (DEBUG::Processors, "--- CONFIGURE ABORTED due to unknown processor.\n");
1623 if ((*p)->can_support_io_configuration(in, out)) {
1624 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1 ID=%2 in=%3 out=%4\n",(*p)->name(), (*p)->id(), in, out));
1625 configuration.push_back(make_pair(in, out));
1632 DEBUG_TRACE (DEBUG::Processors, "---- CONFIGURATION FAILED.\n");
1633 DEBUG_TRACE (DEBUG::Processors, string_compose ("---- %1 cannot support in=%2 out=%3\n", (*p)->name(), in, out));
1634 DEBUG_TRACE (DEBUG::Processors, "}\n");
1635 return list<pair<ChanCount, ChanCount> > ();
1639 DEBUG_TRACE (DEBUG::Processors, "}\n");
1641 return configuration;
1644 /** Set the input/output configuration of each processor in the processors list.
1645 * Caller must hold process lock.
1646 * Return 0 on success, otherwise configuration is impossible.
1649 Route::configure_processors_unlocked (ProcessorStreams* err)
1651 assert (!AudioEngine::instance()->process_lock().trylock());
1653 if (_in_configure_processors) {
1657 /* put invisible processors where they should be */
1658 setup_invisible_processors ();
1660 _in_configure_processors = true;
1662 list<pair<ChanCount, ChanCount> > configuration = try_configure_processors_unlocked (input_streams (), err);
1664 if (configuration.empty ()) {
1665 _in_configure_processors = false;
1671 list< pair<ChanCount,ChanCount> >::iterator c = configuration.begin();
1672 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++c) {
1674 if (boost::dynamic_pointer_cast<UnknownProcessor> (*p)) {
1678 (*p)->configure_io(c->first, c->second);
1679 processor_max_streams = ChanCount::max(processor_max_streams, c->first);
1680 processor_max_streams = ChanCount::max(processor_max_streams, c->second);
1685 _meter->reset_max_channels (processor_max_streams);
1688 /* make sure we have sufficient scratch buffers to cope with the new processor
1691 _session.ensure_buffers (n_process_buffers ());
1693 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configuration complete\n", _name));
1695 _in_configure_processors = false;
1699 /** Set all visible processors to a given active state (except Fader, whose state is not changed)
1700 * @param state New active state for those processors.
1703 Route::all_visible_processors_active (bool state)
1705 Glib::RWLock::ReaderLock lm (_processor_lock);
1707 if (_processors.empty()) {
1711 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1712 if (!(*i)->display_to_user() || boost::dynamic_pointer_cast<Amp> (*i)) {
1719 (*i)->deactivate ();
1723 _session.set_dirty ();
1727 Route::reorder_processors (const ProcessorList& new_order, ProcessorStreams* err)
1729 /* "new_order" is an ordered list of processors to be positioned according to "placement".
1730 NOTE: all processors in "new_order" MUST be marked as display_to_user(). There maybe additional
1731 processors in the current actual processor list that are hidden. Any visible processors
1732 in the current list but not in "new_order" will be assumed to be deleted.
1736 Glib::RWLock::WriterLock lm (_processor_lock);
1737 ProcessorState pstate (this);
1739 ProcessorList::iterator oiter;
1740 ProcessorList::const_iterator niter;
1741 ProcessorList as_it_will_be;
1743 oiter = _processors.begin();
1744 niter = new_order.begin();
1746 while (niter != new_order.end()) {
1748 /* if the next processor in the old list is invisible (i.e. should not be in the new order)
1749 then append it to the temp list.
1751 Otherwise, see if the next processor in the old list is in the new list. if not,
1752 its been deleted. If its there, append it to the temp list.
1755 if (oiter == _processors.end()) {
1757 /* no more elements in the old list, so just stick the rest of
1758 the new order onto the temp list.
1761 as_it_will_be.insert (as_it_will_be.end(), niter, new_order.end());
1762 while (niter != new_order.end()) {
1769 if (!(*oiter)->display_to_user()) {
1771 as_it_will_be.push_back (*oiter);
1775 /* visible processor: check that its in the new order */
1777 if (find (new_order.begin(), new_order.end(), (*oiter)) == new_order.end()) {
1778 /* deleted: do nothing, shared_ptr<> will clean up */
1780 /* ignore this one, and add the next item from the new order instead */
1781 as_it_will_be.push_back (*niter);
1786 /* now remove from old order - its taken care of no matter what */
1787 oiter = _processors.erase (oiter);
1792 _processors.insert (oiter, as_it_will_be.begin(), as_it_will_be.end());
1794 /* If the meter is in a custom position, find it and make a rough note of its position */
1795 maybe_note_meter_position ();
1798 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1800 if (configure_processors_unlocked (err)) {
1807 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1808 set_processor_positions ();
1820 Route::get_template()
1822 return state(false);
1826 Route::state(bool full_state)
1828 XMLNode *node = new XMLNode("Route");
1829 ProcessorList::iterator i;
1832 id().print (buf, sizeof (buf));
1833 node->add_property("id", buf);
1834 node->add_property ("name", _name);
1835 node->add_property("default-type", _default_type.to_string());
1838 node->add_property("flags", enum_2_string (_flags));
1841 node->add_property("active", _active?"yes":"no");
1843 boost::to_string (_phase_invert, p);
1844 node->add_property("phase-invert", p);
1845 node->add_property("denormal-protection", _denormal_protection?"yes":"no");
1846 node->add_property("meter-point", enum_2_string (_meter_point));
1849 node->add_property("route-group", _route_group->name());
1852 string order_string;
1853 OrderKeys::iterator x = order_keys.begin();
1855 while (x != order_keys.end()) {
1856 order_string += string ((*x).first);
1857 order_string += '=';
1858 snprintf (buf, sizeof(buf), "%ld", (*x).second);
1859 order_string += buf;
1863 if (x == order_keys.end()) {
1867 order_string += ':';
1869 node->add_property ("order-keys", order_string);
1870 node->add_property ("self-solo", (_self_solo ? "yes" : "no"));
1871 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_upstream);
1872 node->add_property ("soloed-by-upstream", buf);
1873 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_downstream);
1874 node->add_property ("soloed-by-downstream", buf);
1875 node->add_property ("solo-isolated", solo_isolated() ? "yes" : "no");
1876 node->add_property ("solo-safe", _solo_safe ? "yes" : "no");
1878 node->add_child_nocopy (_input->state (full_state));
1879 node->add_child_nocopy (_output->state (full_state));
1880 node->add_child_nocopy (_solo_control->get_state ());
1881 node->add_child_nocopy (_mute_control->get_state ());
1882 node->add_child_nocopy (_mute_master->get_state ());
1884 XMLNode* remote_control_node = new XMLNode (X_("RemoteControl"));
1885 snprintf (buf, sizeof (buf), "%d", _remote_control_id);
1886 remote_control_node->add_property (X_("id"), buf);
1887 node->add_child_nocopy (*remote_control_node);
1889 if (_comment.length()) {
1890 XMLNode *cmt = node->add_child ("Comment");
1891 cmt->add_content (_comment);
1895 node->add_child_nocopy (_pannable->state (full_state));
1898 for (i = _processors.begin(); i != _processors.end(); ++i) {
1900 /* template save: do not include internal sends functioning as
1901 aux sends because the chance of the target ID
1902 in the session where this template is used
1905 similarly, do not save listen sends which connect to
1906 the monitor section, because these will always be
1909 boost::shared_ptr<InternalSend> is;
1911 if ((is = boost::dynamic_pointer_cast<InternalSend> (*i)) != 0) {
1912 if (is->role() == Delivery::Aux || is->role() == Delivery::Listen) {
1917 node->add_child_nocopy((*i)->state (full_state));
1921 node->add_child_copy (*_extra_xml);
1924 if (_custom_meter_position_noted) {
1925 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
1927 after->id().print (buf, sizeof (buf));
1928 node->add_property (X_("processor-after-last-custom-meter"), buf);
1931 node->add_property (X_("last-custom-meter-was-at-end"), _last_custom_meter_was_at_end ? "yes" : "no");
1938 Route::set_state (const XMLNode& node, int version)
1940 if (version < 3000) {
1941 return set_state_2X (node, version);
1945 XMLNodeConstIterator niter;
1947 const XMLProperty *prop;
1949 if (node.name() != "Route"){
1950 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
1954 if ((prop = node.property (X_("name"))) != 0) {
1955 Route::set_name (prop->value());
1960 if ((prop = node.property (X_("flags"))) != 0) {
1961 _flags = Flag (string_2_enum (prop->value(), _flags));
1966 if (is_master() || is_monitor() || is_hidden()) {
1967 _mute_master->set_solo_ignore (true);
1971 /* monitor bus does not get a panner, but if (re)created
1972 via XML, it will already have one by the time we
1973 call ::set_state(). so ... remove it.
1978 /* add all processors (except amp, which is always present) */
1980 nlist = node.children();
1981 XMLNode processor_state (X_("processor_state"));
1983 Stateful::save_extra_xml (node);
1985 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
1989 if (child->name() == IO::state_node_name) {
1990 if ((prop = child->property (X_("direction"))) == 0) {
1994 if (prop->value() == "Input") {
1995 _input->set_state (*child, version);
1996 } else if (prop->value() == "Output") {
1997 _output->set_state (*child, version);
2001 if (child->name() == X_("Processor")) {
2002 processor_state.add_child_copy (*child);
2006 if (child->name() == X_("Pannable")) {
2008 _pannable->set_state (*child, version);
2010 warning << string_compose (_("Pannable state found for route (%1) without a panner!"), name()) << endmsg;
2015 if ((prop = node.property (X_("meter-point"))) != 0) {
2016 MeterPoint mp = MeterPoint (string_2_enum (prop->value (), _meter_point));
2017 set_meter_point (mp, true);
2019 _meter->set_display_to_user (_meter_point == MeterCustom);
2023 set_processor_state (processor_state);
2025 if ((prop = node.property ("self-solo")) != 0) {
2026 set_self_solo (string_is_affirmative (prop->value()));
2029 if ((prop = node.property ("soloed-by-upstream")) != 0) {
2030 _soloed_by_others_upstream = 0; // needed for mod_.... () to work
2031 mod_solo_by_others_upstream (atoi (prop->value()));
2034 if ((prop = node.property ("soloed-by-downstream")) != 0) {
2035 _soloed_by_others_downstream = 0; // needed for mod_.... () to work
2036 mod_solo_by_others_downstream (atoi (prop->value()));
2039 if ((prop = node.property ("solo-isolated")) != 0) {
2040 set_solo_isolated (string_is_affirmative (prop->value()), this);
2043 if ((prop = node.property ("solo-safe")) != 0) {
2044 set_solo_safe (string_is_affirmative (prop->value()), this);
2047 if ((prop = node.property (X_("phase-invert"))) != 0) {
2048 set_phase_invert (boost::dynamic_bitset<> (prop->value ()));
2051 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2052 set_denormal_protection (string_is_affirmative (prop->value()));
2055 if ((prop = node.property (X_("active"))) != 0) {
2056 bool yn = string_is_affirmative (prop->value());
2057 _active = !yn; // force switch
2058 set_active (yn, this);
2061 if ((prop = node.property (X_("order-keys"))) != 0) {
2065 string::size_type colon, equal;
2066 string remaining = prop->value();
2068 while (remaining.length()) {
2070 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2071 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2074 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2075 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2078 set_order_key (remaining.substr (0, equal), n);
2082 colon = remaining.find_first_of (':');
2084 if (colon != string::npos) {
2085 remaining = remaining.substr (colon+1);
2092 if ((prop = node.property (X_("processor-after-last-custom-meter"))) != 0) {
2093 PBD::ID id (prop->value ());
2094 Glib::RWLock::ReaderLock lm (_processor_lock);
2095 ProcessorList::const_iterator i = _processors.begin ();
2096 while (i != _processors.end() && (*i)->id() != id) {
2100 if (i != _processors.end ()) {
2101 _processor_after_last_custom_meter = *i;
2102 _custom_meter_position_noted = true;
2106 if ((prop = node.property (X_("last-custom-meter-was-at-end"))) != 0) {
2107 _last_custom_meter_was_at_end = string_is_affirmative (prop->value ());
2110 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2113 if (child->name() == X_("Comment")) {
2115 /* XXX this is a terrible API design in libxml++ */
2117 XMLNode *cmt = *(child->children().begin());
2118 _comment = cmt->content();
2120 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2121 if (prop->value() == "solo") {
2122 _solo_control->set_state (*child, version);
2125 } else if (child->name() == X_("RemoteControl")) {
2126 if ((prop = child->property (X_("id"))) != 0) {
2128 sscanf (prop->value().c_str(), "%d", &x);
2129 set_remote_control_id (x);
2132 } else if (child->name() == X_("MuteMaster")) {
2133 _mute_master->set_state (*child, version);
2141 Route::set_state_2X (const XMLNode& node, int version)
2144 XMLNodeConstIterator niter;
2146 const XMLProperty *prop;
2148 /* 2X things which still remain to be handled:
2154 if (node.name() != "Route") {
2155 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
2159 if ((prop = node.property (X_("flags"))) != 0) {
2160 _flags = Flag (string_2_enum (prop->value(), _flags));
2165 if ((prop = node.property (X_("phase-invert"))) != 0) {
2166 boost::dynamic_bitset<> p (_input->n_ports().n_audio ());
2167 if (string_is_affirmative (prop->value ())) {
2170 set_phase_invert (p);
2173 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2174 set_denormal_protection (string_is_affirmative (prop->value()));
2177 if ((prop = node.property (X_("soloed"))) != 0) {
2178 bool yn = string_is_affirmative (prop->value());
2180 /* XXX force reset of solo status */
2182 set_solo (yn, this);
2185 if ((prop = node.property (X_("muted"))) != 0) {
2188 bool muted = string_is_affirmative (prop->value());
2194 if ((prop = node.property (X_("mute-affects-pre-fader"))) != 0) {
2196 if (string_is_affirmative (prop->value())){
2197 mute_point = mute_point + "PreFader";
2202 if ((prop = node.property (X_("mute-affects-post-fader"))) != 0) {
2204 if (string_is_affirmative (prop->value())){
2207 mute_point = mute_point + ",";
2210 mute_point = mute_point + "PostFader";
2215 if ((prop = node.property (X_("mute-affects-control-outs"))) != 0) {
2217 if (string_is_affirmative (prop->value())){
2220 mute_point = mute_point + ",";
2223 mute_point = mute_point + "Listen";
2228 if ((prop = node.property (X_("mute-affects-main-outs"))) != 0) {
2230 if (string_is_affirmative (prop->value())){
2233 mute_point = mute_point + ",";
2236 mute_point = mute_point + "Main";
2240 _mute_master->set_mute_points (mute_point);
2241 _mute_master->set_muted_by_self (true);
2245 if ((prop = node.property (X_("meter-point"))) != 0) {
2246 _meter_point = MeterPoint (string_2_enum (prop->value (), _meter_point));
2249 /* do not carry over edit/mix groups from 2.X because (a) its hard (b) they
2250 don't mean the same thing.
2253 if ((prop = node.property (X_("order-keys"))) != 0) {
2257 string::size_type colon, equal;
2258 string remaining = prop->value();
2260 while (remaining.length()) {
2262 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2263 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2266 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2267 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2270 set_order_key (remaining.substr (0, equal), n);
2274 colon = remaining.find_first_of (':');
2276 if (colon != string::npos) {
2277 remaining = remaining.substr (colon+1);
2286 nlist = node.children ();
2287 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2291 if (child->name() == IO::state_node_name) {
2293 /* there is a note in IO::set_state_2X() about why we have to call
2297 _input->set_state_2X (*child, version, true);
2298 _output->set_state_2X (*child, version, false);
2300 if ((prop = child->property (X_("name"))) != 0) {
2301 Route::set_name (prop->value ());
2306 if ((prop = child->property (X_("active"))) != 0) {
2307 bool yn = string_is_affirmative (prop->value());
2308 _active = !yn; // force switch
2309 set_active (yn, this);
2312 if ((prop = child->property (X_("gain"))) != 0) {
2315 if (sscanf (prop->value().c_str(), "%f", &val) == 1) {
2316 _amp->gain_control()->set_value (val);
2320 /* Set up Panners in the IO */
2321 XMLNodeList io_nlist = child->children ();
2323 XMLNodeConstIterator io_niter;
2326 for (io_niter = io_nlist.begin(); io_niter != io_nlist.end(); ++io_niter) {
2328 io_child = *io_niter;
2330 if (io_child->name() == X_("Panner")) {
2331 _main_outs->panner_shell()->set_state(*io_child, version);
2332 } else if (io_child->name() == X_("Automation")) {
2333 /* IO's automation is for the fader */
2334 _amp->set_automation_xml_state (*io_child, Evoral::Parameter (GainAutomation));
2340 XMLNodeList redirect_nodes;
2342 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2346 if (child->name() == X_("Send") || child->name() == X_("Insert")) {
2347 redirect_nodes.push_back(child);
2352 set_processor_state_2X (redirect_nodes, version);
2354 Stateful::save_extra_xml (node);
2356 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2359 if (child->name() == X_("Comment")) {
2361 /* XXX this is a terrible API design in libxml++ */
2363 XMLNode *cmt = *(child->children().begin());
2364 _comment = cmt->content();
2366 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2367 if (prop->value() == X_("solo")) {
2368 _solo_control->set_state (*child, version);
2369 } else if (prop->value() == X_("mute")) {
2370 _mute_control->set_state (*child, version);
2373 } else if (child->name() == X_("RemoteControl")) {
2374 if ((prop = child->property (X_("id"))) != 0) {
2376 sscanf (prop->value().c_str(), "%d", &x);
2377 set_remote_control_id (x);
2387 Route::get_processor_state ()
2389 XMLNode* root = new XMLNode (X_("redirects"));
2390 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2391 root->add_child_nocopy ((*i)->state (true));
2398 Route::set_processor_state_2X (XMLNodeList const & nList, int version)
2400 /* We don't bother removing existing processors not in nList, as this
2401 method will only be called when creating a Route from scratch, not
2402 for undo purposes. Just put processors in at the appropriate place
2406 for (XMLNodeConstIterator i = nList.begin(); i != nList.end(); ++i) {
2407 add_processor_from_xml_2X (**i, version);
2412 Route::set_processor_state (const XMLNode& node)
2414 const XMLNodeList &nlist = node.children();
2415 XMLNodeConstIterator niter;
2416 ProcessorList new_order;
2417 bool must_configure = false;
2419 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2421 XMLProperty* prop = (*niter)->property ("type");
2423 if (prop->value() == "amp") {
2424 _amp->set_state (**niter, Stateful::current_state_version);
2425 new_order.push_back (_amp);
2426 } else if (prop->value() == "meter") {
2427 _meter->set_state (**niter, Stateful::current_state_version);
2428 new_order.push_back (_meter);
2429 } else if (prop->value() == "main-outs") {
2430 _main_outs->set_state (**niter, Stateful::current_state_version);
2431 } else if (prop->value() == "intreturn") {
2433 _intreturn.reset (new InternalReturn (_session));
2434 must_configure = true;
2436 _intreturn->set_state (**niter, Stateful::current_state_version);
2437 } else if (is_monitor() && prop->value() == "monitor") {
2438 if (!_monitor_control) {
2439 _monitor_control.reset (new MonitorProcessor (_session));
2440 must_configure = true;
2442 _monitor_control->set_state (**niter, Stateful::current_state_version);
2443 } else if (prop->value() == "capture") {
2444 _capturing_processor.reset (new CapturingProcessor (_session));
2446 ProcessorList::iterator o;
2448 for (o = _processors.begin(); o != _processors.end(); ++o) {
2449 XMLProperty* id_prop = (*niter)->property(X_("id"));
2450 if (id_prop && (*o)->id() == id_prop->value()) {
2451 (*o)->set_state (**niter, Stateful::current_state_version);
2452 new_order.push_back (*o);
2457 // If the processor (*niter) is not on the route then create it
2459 if (o == _processors.end()) {
2461 boost::shared_ptr<Processor> processor;
2463 if (prop->value() == "intsend") {
2465 processor.reset (new InternalSend (_session, _pannable, _mute_master, boost::shared_ptr<Route>(), Delivery::Role (0)));
2467 } else if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
2468 prop->value() == "lv2" ||
2469 prop->value() == "vst" ||
2470 prop->value() == "lxvst" ||
2471 prop->value() == "audiounit") {
2473 processor.reset (new PluginInsert(_session));
2475 } else if (prop->value() == "port") {
2477 processor.reset (new PortInsert (_session, _pannable, _mute_master));
2479 } else if (prop->value() == "send") {
2481 processor.reset (new Send (_session, _pannable, _mute_master));
2484 error << string_compose(_("unknown Processor type \"%1\"; ignored"), prop->value()) << endmsg;
2488 if (processor->set_state (**niter, Stateful::current_state_version) != 0) {
2489 /* This processor could not be configured. Turn it into a UnknownProcessor */
2490 processor.reset (new UnknownProcessor (_session, **niter));
2493 /* we have to note the monitor send here, otherwise a new one will be created
2494 and the state of this one will be lost.
2496 boost::shared_ptr<InternalSend> isend = boost::dynamic_pointer_cast<InternalSend> (processor);
2497 if (isend && isend->role() == Delivery::Listen) {
2498 _monitor_send = isend;
2501 /* it doesn't matter if invisible processors are added here, as they
2502 will be sorted out by setup_invisible_processors () shortly.
2505 new_order.push_back (processor);
2506 must_configure = true;
2512 Glib::RWLock::WriterLock lm (_processor_lock);
2513 _processors = new_order;
2515 if (must_configure) {
2516 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2517 configure_processors_unlocked (0);
2520 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
2522 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
2524 boost::shared_ptr<PluginInsert> pi;
2526 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
2527 if (pi->has_no_inputs ()) {
2528 _have_internal_generator = true;
2535 processors_changed (RouteProcessorChange ());
2536 set_processor_positions ();
2540 Route::curve_reallocate ()
2542 // _gain_automation_curve.finish_resize ();
2543 // _pan_automation_curve.finish_resize ();
2547 Route::silence (framecnt_t nframes)
2549 Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
2554 silence_unlocked (nframes);
2558 Route::silence_unlocked (framecnt_t nframes)
2560 /* Must be called with the processor lock held */
2564 _output->silence (nframes);
2566 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2567 boost::shared_ptr<PluginInsert> pi;
2569 if (!_active && (pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
2570 // skip plugins, they don't need anything when we're not active
2574 (*i)->silence (nframes);
2577 if (nframes == _session.get_block_size()) {
2584 Route::add_internal_return ()
2587 _intreturn.reset (new InternalReturn (_session));
2588 add_processor (_intreturn, PreFader);
2593 Route::add_send_to_internal_return (InternalSend* send)
2595 Glib::RWLock::ReaderLock rm (_processor_lock);
2597 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
2598 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
2601 return d->add_send (send);
2607 Route::remove_send_from_internal_return (InternalSend* send)
2609 Glib::RWLock::ReaderLock rm (_processor_lock);
2611 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
2612 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
2615 return d->remove_send (send);
2621 Route::enable_monitor_send ()
2623 /* Caller must hold process lock */
2624 assert (!AudioEngine::instance()->process_lock().trylock());
2626 /* master never sends to monitor section via the normal mechanism */
2627 assert (!is_master ());
2629 /* make sure we have one */
2630 if (!_monitor_send) {
2631 _monitor_send.reset (new InternalSend (_session, _pannable, _mute_master, _session.monitor_out(), Delivery::Listen));
2632 _monitor_send->set_display_to_user (false);
2636 configure_processors (0);
2639 /** Add an aux send to a route.
2640 * @param route route to send to.
2641 * @param before Processor to insert before, or 0 to insert at the end.
2644 Route::add_aux_send (boost::shared_ptr<Route> route, boost::shared_ptr<Processor> before)
2646 assert (route != _session.monitor_out ());
2649 Glib::RWLock::ReaderLock rm (_processor_lock);
2651 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
2653 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend> (*x);
2655 if (d && d->target_route() == route) {
2656 /* already listening via the specified IO: do nothing */
2664 boost::shared_ptr<InternalSend> listener;
2667 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2668 listener.reset (new InternalSend (_session, _pannable, _mute_master, route, Delivery::Aux));
2671 add_processor (listener, before);
2673 } catch (failed_constructor& err) {
2681 Route::remove_aux_or_listen (boost::shared_ptr<Route> route)
2683 ProcessorStreams err;
2684 ProcessorList::iterator tmp;
2687 Glib::RWLock::ReaderLock rl(_processor_lock);
2689 /* have to do this early because otherwise processor reconfig
2690 * will put _monitor_send back in the list
2693 if (route == _session.monitor_out()) {
2694 _monitor_send.reset ();
2698 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
2700 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend>(*x);
2702 if (d && d->target_route() == route) {
2704 remove_processor (*x, &err, false);
2707 /* list could have been demolished while we dropped the lock
2718 Route::set_comment (string cmt, void *src)
2721 comment_changed (src);
2722 _session.set_dirty ();
2726 Route::add_fed_by (boost::shared_ptr<Route> other, bool via_sends_only)
2728 FeedRecord fr (other, via_sends_only);
2730 pair<FedBy::iterator,bool> result = _fed_by.insert (fr);
2732 if (!result.second) {
2734 /* already a record for "other" - make sure sends-only information is correct */
2735 if (!via_sends_only && result.first->sends_only) {
2736 FeedRecord* frp = const_cast<FeedRecord*>(&(*result.first));
2737 frp->sends_only = false;
2741 return result.second;
2745 Route::clear_fed_by ()
2751 Route::feeds (boost::shared_ptr<Route> other, bool* via_sends_only)
2753 const FedBy& fed_by (other->fed_by());
2755 for (FedBy::iterator f = fed_by.begin(); f != fed_by.end(); ++f) {
2756 boost::shared_ptr<Route> sr = f->r.lock();
2758 if (sr && (sr.get() == this)) {
2760 if (via_sends_only) {
2761 *via_sends_only = f->sends_only;
2772 Route::direct_feeds_according_to_reality (boost::shared_ptr<Route> other, bool* via_send_only)
2774 DEBUG_TRACE (DEBUG::Graph, string_compose ("Feeds? %1\n", _name));
2776 if (_output->connected_to (other->input())) {
2777 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdirect FEEDS %2\n", other->name()));
2778 if (via_send_only) {
2779 *via_send_only = false;
2786 for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
2788 boost::shared_ptr<IOProcessor> iop;
2790 if ((iop = boost::dynamic_pointer_cast<IOProcessor>(*r)) != 0) {
2791 if (iop->feeds (other)) {
2792 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does feed %2\n", iop->name(), other->name()));
2793 if (via_send_only) {
2794 *via_send_only = true;
2798 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does NOT feed %2\n", iop->name(), other->name()));
2801 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tPROC %1 is not an IOP\n", (*r)->name()));
2806 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdoes NOT feed %1\n", other->name()));
2811 Route::direct_feeds_according_to_graph (boost::shared_ptr<Route> other, bool* via_send_only)
2813 return _session._current_route_graph.has (shared_from_this (), other, via_send_only);
2816 /** Called from the (non-realtime) butler thread when the transport is stopped */
2818 Route::nonrealtime_handle_transport_stopped (bool /*abort_ignored*/, bool did_locate, bool can_flush_processors)
2820 framepos_t now = _session.transport_frame();
2823 Glib::RWLock::ReaderLock lm (_processor_lock);
2826 automation_snapshot (now, true);
2829 Automatable::transport_stopped (now);
2831 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2833 if (!_have_internal_generator && (Config->get_plugins_stop_with_transport() && can_flush_processors)) {
2837 (*i)->transport_stopped (now);
2841 _roll_delay = _initial_delay;
2845 Route::input_change_handler (IOChange change, void * /*src*/)
2847 bool need_to_queue_solo_change = true;
2849 if ((change.type & IOChange::ConfigurationChanged)) {
2850 /* This is called with the process lock held if change
2851 contains ConfigurationChanged
2853 need_to_queue_solo_change = false;
2854 configure_processors (0);
2855 _phase_invert.resize (_input->n_ports().n_audio ());
2856 io_changed (); /* EMIT SIGNAL */
2859 if (!_input->connected() && _soloed_by_others_upstream) {
2860 if (need_to_queue_solo_change) {
2861 _session.cancel_solo_after_disconnect (shared_from_this(), true);
2863 cancel_solo_after_disconnect (true);
2869 Route::output_change_handler (IOChange change, void * /*src*/)
2871 bool need_to_queue_solo_change = true;
2873 if ((change.type & IOChange::ConfigurationChanged)) {
2874 /* This is called with the process lock held if change
2875 contains ConfigurationChanged
2877 need_to_queue_solo_change = false;
2880 if (!_output->connected() && _soloed_by_others_downstream) {
2881 if (need_to_queue_solo_change) {
2882 _session.cancel_solo_after_disconnect (shared_from_this(), false);
2884 cancel_solo_after_disconnect (false);
2890 Route::cancel_solo_after_disconnect (bool upstream)
2893 _soloed_by_others_upstream = 0;
2895 _soloed_by_others_downstream = 0;
2897 set_mute_master_solo ();
2898 solo_changed (false, this);
2902 Route::pans_required () const
2904 if (n_outputs().n_audio() < 2) {
2908 return max (n_inputs ().n_audio(), processor_max_streams.n_audio());
2912 Route::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool session_state_changing)
2914 Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
2919 if (n_outputs().n_total() == 0) {
2923 if (!_active || n_inputs() == ChanCount::ZERO) {
2924 silence_unlocked (nframes);
2927 if (session_state_changing) {
2928 if (_session.transport_speed() != 0.0f) {
2929 /* we're rolling but some state is changing (e.g. our diskstream contents)
2930 so we cannot use them. Be silent till this is over.
2932 XXX note the absurdity of ::no_roll() being called when we ARE rolling!
2934 silence_unlocked (nframes);
2937 /* we're really not rolling, so we're either delivery silence or actually
2938 monitoring, both of which are safe to do while session_state_changing is true.
2942 _amp->apply_gain_automation (false);
2943 passthru (start_frame, end_frame, nframes, 0);
2949 Route::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& /* need_butler */)
2951 Glib::RWLock::ReaderLock lm (_processor_lock, Glib::TRY_LOCK);
2956 automation_snapshot (_session.transport_frame(), false);
2958 if (n_outputs().n_total() == 0) {
2962 if (!_active || n_inputs().n_total() == 0) {
2963 silence_unlocked (nframes);
2967 framecnt_t unused = 0;
2969 if ((nframes = check_initial_delay (nframes, unused)) == 0) {
2975 passthru (start_frame, end_frame, nframes, declick);
2981 Route::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/, bool& /* need_butler */)
2988 Route::flush_processors ()
2990 /* XXX shouldn't really try to take this lock, since
2991 this is called from the RT audio thread.
2994 Glib::RWLock::ReaderLock lm (_processor_lock);
2996 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3002 Route::set_meter_point (MeterPoint p, bool force)
3004 /* CAN BE CALLED FROM PROCESS CONTEXT */
3006 if (_meter_point == p && !force) {
3010 bool meter_was_visible_to_user = _meter->display_to_user ();
3013 Glib::RWLock::WriterLock lm (_processor_lock);
3015 maybe_note_meter_position ();
3019 if (_meter_point != MeterCustom) {
3021 _meter->set_display_to_user (false);
3023 setup_invisible_processors ();
3027 _meter->set_display_to_user (true);
3029 /* If we have a previous position for the custom meter, try to put it there */
3030 if (_custom_meter_position_noted) {
3031 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
3034 ProcessorList::iterator i = find (_processors.begin(), _processors.end(), after);
3035 if (i != _processors.end ()) {
3036 _processors.remove (_meter);
3037 _processors.insert (i, _meter);
3039 } else if (_last_custom_meter_was_at_end) {
3040 _processors.remove (_meter);
3041 _processors.push_back (_meter);
3046 /* Set up the meter for its new position */
3048 ProcessorList::iterator loc = find (_processors.begin(), _processors.end(), _meter);
3052 if (loc == _processors.begin()) {
3053 m_in = _input->n_ports();
3055 ProcessorList::iterator before = loc;
3057 m_in = (*before)->output_streams ();
3060 _meter->reflect_inputs (m_in);
3062 /* we do not need to reconfigure the processors, because the meter
3063 (a) is always ready to handle processor_max_streams
3064 (b) is always an N-in/N-out processor, and thus moving
3065 it doesn't require any changes to the other processors.
3069 meter_change (); /* EMIT SIGNAL */
3071 bool const meter_visibly_changed = (_meter->display_to_user() != meter_was_visible_to_user);
3073 processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, meter_visibly_changed)); /* EMIT SIGNAL */
3077 Route::listen_position_changed ()
3080 Glib::RWLock::WriterLock lm (_processor_lock);
3081 ProcessorState pstate (this);
3084 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3086 if (configure_processors_unlocked (0)) {
3088 configure_processors_unlocked (0); // it worked before we tried to add it ...
3094 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
3095 _session.set_dirty ();
3098 boost::shared_ptr<CapturingProcessor>
3099 Route::add_export_point()
3101 if (!_capturing_processor) {
3103 _capturing_processor.reset (new CapturingProcessor (_session));
3104 _capturing_processor->activate ();
3107 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3108 configure_processors (0);
3113 return _capturing_processor;
3117 Route::update_signal_latency ()
3119 framecnt_t l = _output->user_latency();
3121 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3122 if ((*i)->active ()) {
3123 l += (*i)->signal_latency ();
3127 DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: internal signal latency = %2\n", _name, l));
3129 if (_signal_latency != l) {
3130 _signal_latency = l;
3131 signal_latency_changed (); /* EMIT SIGNAL */
3134 return _signal_latency;
3138 Route::set_user_latency (framecnt_t nframes)
3140 _output->set_user_latency (nframes);
3141 _session.update_latency_compensation ();
3145 Route::set_latency_compensation (framecnt_t longest_session_latency)
3147 framecnt_t old = _initial_delay;
3149 if (_signal_latency < longest_session_latency) {
3150 _initial_delay = longest_session_latency - _signal_latency;
3155 DEBUG_TRACE (DEBUG::Latency, string_compose (
3156 "%1: compensate for maximum latency of %2,"
3157 "given own latency of %3, using initial delay of %4\n",
3158 name(), longest_session_latency, _signal_latency, _initial_delay));
3160 if (_initial_delay != old) {
3161 initial_delay_changed (); /* EMIT SIGNAL */
3164 if (_session.transport_stopped()) {
3165 _roll_delay = _initial_delay;
3170 Route::automation_snapshot (framepos_t now, bool force)
3173 _pannable->automation_snapshot (now, force);
3176 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3177 (*i)->automation_snapshot (now, force);
3181 Route::SoloControllable::SoloControllable (std::string name, boost::shared_ptr<Route> r)
3182 : AutomationControl (r->session(), Evoral::Parameter (SoloAutomation),
3183 boost::shared_ptr<AutomationList>(), name)
3186 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(SoloAutomation)));
3191 Route::SoloControllable::set_value (double val)
3193 bool bval = ((val >= 0.5f) ? true: false);
3195 boost::shared_ptr<RouteList> rl (new RouteList);
3197 boost::shared_ptr<Route> r = _route.lock ();
3204 if (Config->get_solo_control_is_listen_control()) {
3205 _session.set_listen (rl, bval);
3207 _session.set_solo (rl, bval);
3212 Route::SoloControllable::get_value () const
3214 boost::shared_ptr<Route> r = _route.lock ();
3219 if (Config->get_solo_control_is_listen_control()) {
3220 return r->listening_via_monitor() ? 1.0f : 0.0f;
3222 return r->self_soloed() ? 1.0f : 0.0f;
3226 Route::MuteControllable::MuteControllable (std::string name, boost::shared_ptr<Route> r)
3227 : AutomationControl (r->session(), Evoral::Parameter (MuteAutomation),
3228 boost::shared_ptr<AutomationList>(), name)
3231 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(MuteAutomation)));
3236 Route::MuteControllable::set_value (double val)
3238 bool bval = ((val >= 0.5f) ? true: false);
3240 boost::shared_ptr<RouteList> rl (new RouteList);
3242 boost::shared_ptr<Route> r = _route.lock ();
3248 _session.set_mute (rl, bval);
3252 Route::MuteControllable::get_value () const
3254 boost::shared_ptr<Route> r = _route.lock ();
3259 return r->muted() ? 1.0f : 0.0f;
3263 Route::set_block_size (pframes_t nframes)
3265 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3266 (*i)->set_block_size (nframes);
3269 _session.ensure_buffers (n_process_buffers ());
3273 Route::protect_automation ()
3275 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i)
3276 (*i)->protect_automation();
3280 Route::set_pending_declick (int declick)
3283 /* this call is not allowed to turn off a pending declick unless "force" is true */
3285 _pending_declick = declick;
3287 // cerr << _name << ": after setting to " << declick << " pending declick = " << _pending_declick << endl;
3289 _pending_declick = 0;
3294 /** Shift automation forwards from a particular place, thereby inserting time.
3295 * Adds undo commands for any shifts that are performed.
3297 * @param pos Position to start shifting from.
3298 * @param frames Amount to shift forwards by.
3302 Route::shift (framepos_t pos, framecnt_t frames)
3304 /* gain automation */
3306 boost::shared_ptr<AutomationControl> gc = _amp->gain_control();
3308 XMLNode &before = gc->alist()->get_state ();
3309 gc->alist()->shift (pos, frames);
3310 XMLNode &after = gc->alist()->get_state ();
3311 _session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
3314 /* pan automation */
3316 ControlSet::Controls& c (_pannable->controls());
3318 for (ControlSet::Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
3319 boost::shared_ptr<AutomationControl> pc = boost::dynamic_pointer_cast<AutomationControl> (ci->second);
3321 boost::shared_ptr<AutomationList> al = pc->alist();
3322 XMLNode& before = al->get_state ();
3323 al->shift (pos, frames);
3324 XMLNode& after = al->get_state ();
3325 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
3330 /* redirect automation */
3332 Glib::RWLock::ReaderLock lm (_processor_lock);
3333 for (ProcessorList::iterator i = _processors.begin (); i != _processors.end (); ++i) {
3335 set<Evoral::Parameter> parameters = (*i)->what_can_be_automated();
3337 for (set<Evoral::Parameter>::const_iterator p = parameters.begin (); p != parameters.end (); ++p) {
3338 boost::shared_ptr<AutomationControl> ac = (*i)->automation_control (*p);
3340 boost::shared_ptr<AutomationList> al = ac->alist();
3341 XMLNode &before = al->get_state ();
3342 al->shift (pos, frames);
3343 XMLNode &after = al->get_state ();
3344 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
3353 Route::save_as_template (const string& path, const string& name)
3355 XMLNode& node (state (false));
3358 IO::set_name_in_state (*node.children().front(), name);
3360 tree.set_root (&node);
3361 return tree.write (path.c_str());
3366 Route::set_name (const string& str)
3372 name = Route::ensure_track_or_route_name (str, _session);
3373 SessionObject::set_name (name);
3375 ret = (_input->set_name(name) && _output->set_name(name));
3378 /* rename the main outs. Leave other IO processors
3379 * with whatever name they already have, because its
3380 * just fine as it is (it will not contain the route
3381 * name if its a port insert, port send or port return).
3385 if (_main_outs->set_name (name)) {
3386 /* XXX returning false here is stupid because
3387 we already changed the route name.
3397 /** Set the name of a route in an XML description.
3398 * @param node XML <Route> node to set the name in.
3399 * @param name New name.
3402 Route::set_name_in_state (XMLNode& node, string const & name)
3404 node.add_property (X_("name"), name);
3406 XMLNodeList children = node.children();
3407 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
3409 if ((*i)->name() == X_("IO")) {
3411 IO::set_name_in_state (**i, name);
3413 } else if ((*i)->name() == X_("Processor")) {
3415 XMLProperty* role = (*i)->property (X_("role"));
3416 if (role && role->value() == X_("Main")) {
3417 (*i)->add_property (X_("name"), name);
3420 } else if ((*i)->name() == X_("Diskstream")) {
3422 (*i)->add_property (X_("playlist"), string_compose ("%1.1", name).c_str());
3423 (*i)->add_property (X_("name"), name);
3429 boost::shared_ptr<Send>
3430 Route::internal_send_for (boost::shared_ptr<const Route> target) const
3432 Glib::RWLock::ReaderLock lm (_processor_lock);
3434 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3435 boost::shared_ptr<InternalSend> send;
3437 if ((send = boost::dynamic_pointer_cast<InternalSend>(*i)) != 0) {
3438 if (send->target_route() == target) {
3444 return boost::shared_ptr<Send>();
3447 /** @param c Audio channel index.
3448 * @param yn true to invert phase, otherwise false.
3451 Route::set_phase_invert (uint32_t c, bool yn)
3453 if (_phase_invert[c] != yn) {
3454 _phase_invert[c] = yn;
3455 phase_invert_changed (); /* EMIT SIGNAL */
3456 _session.set_dirty ();
3461 Route::set_phase_invert (boost::dynamic_bitset<> p)
3463 if (_phase_invert != p) {
3465 phase_invert_changed (); /* EMIT SIGNAL */
3466 _session.set_dirty ();
3471 Route::phase_invert (uint32_t c) const
3473 return _phase_invert[c];
3476 boost::dynamic_bitset<>
3477 Route::phase_invert () const
3479 return _phase_invert;
3483 Route::set_denormal_protection (bool yn)
3485 if (_denormal_protection != yn) {
3486 _denormal_protection = yn;
3487 denormal_protection_changed (); /* EMIT SIGNAL */
3492 Route::denormal_protection () const
3494 return _denormal_protection;
3498 Route::set_active (bool yn, void* src)
3500 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_route_active()) {
3501 _route_group->foreach_route (boost::bind (&Route::set_active, _1, yn, _route_group));
3505 if (_active != yn) {
3507 _input->set_active (yn);
3508 _output->set_active (yn);
3509 active_changed (); // EMIT SIGNAL
3516 Glib::RWLock::ReaderLock rm (_processor_lock, Glib::TRY_LOCK);
3522 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3524 boost::shared_ptr<Send> s;
3525 boost::shared_ptr<Return> r;
3527 if ((s = boost::dynamic_pointer_cast<Send> (*i)) != 0) {
3528 s->meter()->meter();
3529 } else if ((r = boost::dynamic_pointer_cast<Return> (*i)) != 0) {
3530 r->meter()->meter ();
3535 boost::shared_ptr<Pannable>
3536 Route::pannable() const
3541 boost::shared_ptr<Panner>
3542 Route::panner() const
3545 return _main_outs->panner_shell()->panner();
3548 boost::shared_ptr<PannerShell>
3549 Route::panner_shell() const
3551 return _main_outs->panner_shell();
3554 boost::shared_ptr<AutomationControl>
3555 Route::gain_control() const
3557 return _amp->gain_control();
3560 boost::shared_ptr<AutomationControl>
3561 Route::get_control (const Evoral::Parameter& param)
3563 /* either we own the control or .... */
3565 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(control (param));
3569 /* maybe one of our processors does or ... */
3571 Glib::RWLock::ReaderLock rm (_processor_lock, Glib::TRY_LOCK);
3572 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3573 if ((c = boost::dynamic_pointer_cast<AutomationControl>((*i)->control (param))) != 0) {
3581 /* nobody does so we'll make a new one */
3583 c = boost::dynamic_pointer_cast<AutomationControl>(control_factory(param));
3590 boost::shared_ptr<Processor>
3591 Route::nth_plugin (uint32_t n)
3593 Glib::RWLock::ReaderLock lm (_processor_lock);
3594 ProcessorList::iterator i;
3596 for (i = _processors.begin(); i != _processors.end(); ++i) {
3597 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
3604 return boost::shared_ptr<Processor> ();
3607 boost::shared_ptr<Processor>
3608 Route::nth_send (uint32_t n)
3610 Glib::RWLock::ReaderLock lm (_processor_lock);
3611 ProcessorList::iterator i;
3613 for (i = _processors.begin(); i != _processors.end(); ++i) {
3614 if (boost::dynamic_pointer_cast<Send> (*i)) {
3621 return boost::shared_ptr<Processor> ();
3625 Route::has_io_processor_named (const string& name)
3627 Glib::RWLock::ReaderLock lm (_processor_lock);
3628 ProcessorList::iterator i;
3630 for (i = _processors.begin(); i != _processors.end(); ++i) {
3631 if (boost::dynamic_pointer_cast<Send> (*i) ||
3632 boost::dynamic_pointer_cast<PortInsert> (*i)) {
3633 if ((*i)->name() == name) {
3642 MuteMaster::MutePoint
3643 Route::mute_points () const
3645 return _mute_master->mute_points ();
3649 Route::set_processor_positions ()
3651 Glib::RWLock::ReaderLock lm (_processor_lock);
3653 bool had_amp = false;
3654 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3655 (*i)->set_pre_fader (!had_amp);
3656 if (boost::dynamic_pointer_cast<Amp> (*i)) {
3662 /** Called when there is a proposed change to the input port count */
3664 Route::input_port_count_changing (ChanCount to)
3666 list<pair<ChanCount, ChanCount> > c = try_configure_processors (to, 0);
3668 /* The processors cannot be configured with the new input arrangement, so
3674 /* The change is ok */
3679 Route::unknown_processors () const
3683 Glib::RWLock::ReaderLock lm (_processor_lock);
3684 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3685 if (boost::dynamic_pointer_cast<UnknownProcessor const> (*i)) {
3686 p.push_back ((*i)->name ());
3695 Route::update_port_latencies (PortSet& from, PortSet& to, bool playback, framecnt_t our_latency) const
3697 /* we assume that all our input ports feed all our output ports. its not
3698 universally true, but the alternative is way too corner-case to worry about.
3701 jack_latency_range_t all_connections;
3704 all_connections.min = 0;
3705 all_connections.max = 0;
3707 all_connections.min = ~((jack_nframes_t) 0);
3708 all_connections.max = 0;
3710 /* iterate over all "from" ports and determine the latency range for all of their
3711 connections to the "outside" (outside of this Route).
3714 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
3716 jack_latency_range_t range;
3718 p->get_connected_latency_range (range, playback);
3720 all_connections.min = min (all_connections.min, range.min);
3721 all_connections.max = max (all_connections.max, range.max);
3725 /* set the "from" port latencies to the max/min range of all their connections */
3727 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
3728 p->set_private_latency_range (all_connections, playback);
3731 /* set the ports "in the direction of the flow" to the same value as above plus our own signal latency */
3733 all_connections.min += our_latency;
3734 all_connections.max += our_latency;
3736 for (PortSet::iterator p = to.begin(); p != to.end(); ++p) {
3737 p->set_private_latency_range (all_connections, playback);
3740 return all_connections.max;
3744 Route::set_private_port_latencies (bool playback) const
3746 framecnt_t own_latency = 0;
3748 /* Processor list not protected by lock: MUST BE CALLED FROM PROCESS THREAD
3749 OR LATENCY CALLBACK.
3751 This is called (early) from the latency callback. It computes the REAL
3752 latency associated with each port and stores the result as the "private"
3753 latency of the port. A later call to Route::set_public_port_latencies()
3754 sets all ports to the same value to reflect the fact that we do latency
3755 compensation and so all signals are delayed by the same amount as they
3756 flow through ardour.
3759 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3760 if ((*i)->active ()) {
3761 own_latency += (*i)->signal_latency ();
3766 /* playback: propagate latency from "outside the route" to outputs to inputs */
3767 return update_port_latencies (_output->ports (), _input->ports (), true, own_latency);
3769 /* capture: propagate latency from "outside the route" to inputs to outputs */
3770 return update_port_latencies (_input->ports (), _output->ports (), false, own_latency);
3775 Route::set_public_port_latencies (framecnt_t value, bool playback) const
3777 /* this is called to set the JACK-visible port latencies, which take
3778 latency compensation into account.
3781 jack_latency_range_t range;
3787 const PortSet& ports (_input->ports());
3788 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
3789 p->set_public_latency_range (range, playback);
3794 const PortSet& ports (_output->ports());
3795 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
3796 p->set_public_latency_range (range, playback);
3801 /** Put the invisible processors in the right place in _processors.
3802 * Must be called with a writer lock on _processor_lock held.
3805 Route::setup_invisible_processors ()
3808 Glib::RWLock::WriterLock lm (_processor_lock, Glib::TRY_LOCK);
3809 assert (!lm.locked ());
3813 /* too early to be doing this stuff */
3817 /* we'll build this new list here and then use it */
3819 ProcessorList new_processors;
3821 /* find visible processors */
3823 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3824 if ((*i)->display_to_user ()) {
3825 new_processors.push_back (*i);
3831 ProcessorList::iterator amp = new_processors.begin ();
3832 while (amp != new_processors.end() && boost::dynamic_pointer_cast<Amp> (*amp) == 0) {
3836 assert (amp != _processors.end ());
3838 /* and the processor after the amp */
3840 ProcessorList::iterator after_amp = amp;
3846 switch (_meter_point) {
3848 assert (!_meter->display_to_user ());
3849 new_processors.push_front (_meter);
3852 assert (!_meter->display_to_user ());
3853 new_processors.insert (amp, _meter);
3855 case MeterPostFader:
3856 /* do nothing here */
3859 /* do nothing here */
3862 /* the meter is visible, so we don't touch it here */
3869 assert (_main_outs);
3870 assert (!_main_outs->display_to_user ());
3871 new_processors.push_back (_main_outs);
3873 /* iterator for the main outs */
3875 ProcessorList::iterator main = new_processors.end();
3878 /* OUTPUT METERING */
3880 if (_meter && (_meter_point == MeterOutput || _meter_point == MeterPostFader)) {
3881 assert (!_meter->display_to_user ());
3883 /* add the processor just before or just after the main outs */
3885 ProcessorList::iterator meter_point = main;
3887 if (_meter_point == MeterOutput) {
3890 new_processors.insert (meter_point, _meter);
3895 if (_monitor_send && !is_monitor ()) {
3896 assert (!_monitor_send->display_to_user ());
3897 if (Config->get_solo_control_is_listen_control()) {
3898 switch (Config->get_listen_position ()) {
3899 case PreFaderListen:
3900 switch (Config->get_pfl_position ()) {
3901 case PFLFromBeforeProcessors:
3902 new_processors.push_front (_monitor_send);
3904 case PFLFromAfterProcessors:
3905 new_processors.insert (amp, _monitor_send);
3908 _monitor_send->set_can_pan (false);
3910 case AfterFaderListen:
3911 switch (Config->get_afl_position ()) {
3912 case AFLFromBeforeProcessors:
3913 new_processors.insert (after_amp, _monitor_send);
3915 case AFLFromAfterProcessors:
3916 new_processors.insert (new_processors.end(), _monitor_send);
3919 _monitor_send->set_can_pan (true);
3923 new_processors.insert (new_processors.end(), _monitor_send);
3924 _monitor_send->set_can_pan (false);
3928 /* MONITOR CONTROL */
3930 if (_monitor_control && is_monitor ()) {
3931 assert (!_monitor_control->display_to_user ());
3932 new_processors.push_front (_monitor_control);
3935 /* INTERNAL RETURN */
3937 /* doing this here means that any monitor control will come just after
3942 assert (!_intreturn->display_to_user ());
3943 new_processors.push_front (_intreturn);
3946 /* EXPORT PROCESSOR */
3948 if (_capturing_processor) {
3949 assert (!_capturing_processor->display_to_user ());
3950 new_processors.push_front (_capturing_processor);
3953 _processors = new_processors;
3955 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: setup_invisible_processors\n", _name));
3956 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3957 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1\n", (*i)->name ()));
3964 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3965 Glib::RWLock::ReaderLock lp (_processor_lock);
3969 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3970 boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery>(*i);
3977 /** If the meter point is `Custom', make a note of where the meter is.
3978 * This is so that if the meter point is subsequently set to something else,
3979 * and then back to custom, we can put the meter back where it was last time
3980 * custom was enabled.
3982 * Must be called with the _processor_lock held.
3985 Route::maybe_note_meter_position ()
3987 if (_meter_point != MeterCustom) {
3991 _custom_meter_position_noted = true;
3992 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3993 if (boost::dynamic_pointer_cast<PeakMeter> (*i)) {
3994 ProcessorList::iterator j = i;
3996 if (j != _processors.end ()) {
3997 _processor_after_last_custom_meter = *j;
3998 _last_custom_meter_was_at_end = false;
4000 _last_custom_meter_was_at_end = true;
4006 boost::shared_ptr<Processor>
4007 Route::processor_by_id (PBD::ID id) const
4009 Glib::RWLock::ReaderLock lm (_processor_lock);
4010 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4011 if ((*i)->id() == id) {
4016 return boost::shared_ptr<Processor> ();
4019 /** @return the monitoring state, or in other words what data we are pushing
4020 * into the route (data from the inputs, data from disk or silence)
4023 Route::monitoring_state () const
4025 return MonitoringInput;
4028 /** @return what we should be metering; either the data coming from the input
4029 * IO or the data that is flowing through the route.
4032 Route::metering_state () const
4034 return MeteringRoute;
4038 Route::has_external_redirects () const
4040 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4042 /* ignore inactive processors and obviously ignore the main
4043 * outs since everything has them and we don't care.
4046 if ((*i)->active() && (*i) != _main_outs && (*i)->does_routing()) {