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 <boost/algorithm/string.hpp>
31 #include "pbd/xml++.h"
32 #include "pbd/enumwriter.h"
33 #include "pbd/memento_command.h"
34 #include "pbd/stacktrace.h"
35 #include "pbd/convert.h"
36 #include "pbd/boost_debug.h"
38 #include "ardour/amp.h"
39 #include "ardour/audio_buffer.h"
40 #include "ardour/audioengine.h"
41 #include "ardour/buffer.h"
42 #include "ardour/buffer_set.h"
43 #include "ardour/capturing_processor.h"
44 #include "ardour/debug.h"
45 #include "ardour/delivery.h"
46 #include "ardour/internal_return.h"
47 #include "ardour/internal_send.h"
48 #include "ardour/meter.h"
49 #include "ardour/monitor_processor.h"
50 #include "ardour/pannable.h"
51 #include "ardour/panner_shell.h"
52 #include "ardour/plugin_insert.h"
53 #include "ardour/port.h"
54 #include "ardour/port_insert.h"
55 #include "ardour/processor.h"
56 #include "ardour/route.h"
57 #include "ardour/route_group.h"
58 #include "ardour/send.h"
59 #include "ardour/session.h"
60 #include "ardour/unknown_processor.h"
61 #include "ardour/utils.h"
66 using namespace ARDOUR;
69 PBD::Signal1<void,RouteSortOrderKey> Route::SyncOrderKeys;
70 PBD::Signal0<void> Route::RemoteControlIDChange;
72 Route::Route (Session& sess, string name, Flag flg, DataType default_type)
73 : SessionObject (sess, name)
75 , GraphNode (sess._process_graph)
81 , _pending_declick (true)
82 , _meter_point (MeterPostFader)
84 , _soloed_by_others_upstream (0)
85 , _soloed_by_others_downstream (0)
87 , _denormal_protection (false)
90 , _declickable (false)
91 , _mute_master (new MuteMaster (sess, name))
92 , _have_internal_generator (false)
94 , _default_type (default_type)
95 , _remote_control_id (0)
96 , _in_configure_processors (false)
97 , _custom_meter_position_noted (false)
98 , _last_custom_meter_was_at_end (false)
100 processor_max_streams.reset();
106 /* add standard controls */
108 _solo_control.reset (new SoloControllable (X_("solo"), shared_from_this ()));
109 _mute_control.reset (new MuteControllable (X_("mute"), shared_from_this ()));
111 _solo_control->set_flags (Controllable::Flag (_solo_control->flags() | Controllable::Toggle));
112 _mute_control->set_flags (Controllable::Flag (_mute_control->flags() | Controllable::Toggle));
114 add_control (_solo_control);
115 add_control (_mute_control);
119 if (!(_flags & Route::MonitorOut)) {
120 _pannable.reset (new Pannable (_session));
123 /* input and output objects */
125 _input.reset (new IO (_session, _name, IO::Input, _default_type));
126 _output.reset (new IO (_session, _name, IO::Output, _default_type));
128 _input->changed.connect_same_thread (*this, boost::bind (&Route::input_change_handler, this, _1, _2));
129 _input->PortCountChanging.connect_same_thread (*this, boost::bind (&Route::input_port_count_changing, this, _1));
131 _output->changed.connect_same_thread (*this, boost::bind (&Route::output_change_handler, this, _1, _2));
133 /* add amp processor */
135 _amp.reset (new Amp (_session));
136 add_processor (_amp, PostFader);
138 /* create standard processors: meter, main outs, monitor out;
139 they will be added to _processors by setup_invisible_processors ()
142 _meter.reset (new PeakMeter (_session));
143 _meter->set_display_to_user (false);
146 _main_outs.reset (new Delivery (_session, _output, _pannable, _mute_master, _name, Delivery::Main));
147 _main_outs->activate ();
150 /* where we listen to tracks */
151 _intreturn.reset (new InternalReturn (_session));
152 _intreturn->activate ();
154 /* the thing that provides proper control over a control/monitor/listen bus
155 (such as per-channel cut, dim, solo, invert, etc).
157 _monitor_control.reset (new MonitorProcessor (_session));
158 _monitor_control->activate ();
161 if (is_master() || is_monitor() || is_hidden()) {
162 _mute_master->set_solo_ignore (true);
165 /* now that we have _meter, its safe to connect to this */
167 Metering::Meter.connect_same_thread (*this, (boost::bind (&Route::meter, this)));
170 /* run a configure so that the invisible processors get set up */
171 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
172 configure_processors (0);
180 DEBUG_TRACE (DEBUG::Destruction, string_compose ("route %1 destructor\n", _name));
182 /* do this early so that we don't get incoming signals as we are going through destruction
187 /* don't use clear_processors here, as it depends on the session which may
188 be half-destroyed by now
191 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
192 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
193 (*i)->drop_references ();
196 _processors.clear ();
200 Route::set_remote_control_id (uint32_t id, bool notify_class_listeners)
202 if (Config->get_remote_model() != UserOrdered) {
206 set_remote_control_id_internal (id, notify_class_listeners);
210 Route::set_remote_control_id_internal (uint32_t id, bool notify_class_listeners)
212 /* force IDs for master/monitor busses and prevent
213 any other route from accidentally getting these IDs
214 (i.e. legacy sessions)
217 if (is_master() && id != MasterBusRemoteControlID) {
218 id = MasterBusRemoteControlID;
221 if (is_monitor() && id != MonitorBusRemoteControlID) {
222 id = MonitorBusRemoteControlID;
229 /* don't allow it to collide */
231 if (!is_master () && !is_monitor() &&
232 (id == MasterBusRemoteControlID || id == MonitorBusRemoteControlID)) {
233 id += MonitorBusRemoteControlID;
236 if (id != remote_control_id()) {
237 _remote_control_id = id;
238 RemoteControlIDChanged ();
240 if (notify_class_listeners) {
241 RemoteControlIDChange ();
247 Route::remote_control_id() const
250 return MasterBusRemoteControlID;
254 return MonitorBusRemoteControlID;
257 return _remote_control_id;
261 Route::has_order_key (RouteSortOrderKey key) const
263 return (order_keys.find (key) != order_keys.end());
267 Route::order_key (RouteSortOrderKey key) const
269 OrderKeys::const_iterator i = order_keys.find (key);
271 if (i == order_keys.end()) {
279 Route::sync_order_keys (RouteSortOrderKey base)
281 /* this is called after changes to 1 or more route order keys have been
282 * made, and we want to sync up.
285 OrderKeys::iterator i = order_keys.find (base);
287 if (i == order_keys.end()) {
291 for (OrderKeys::iterator k = order_keys.begin(); k != order_keys.end(); ++k) {
293 if (k->first != base) {
294 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 set key for %2 to %3 from %4\n",
296 enum_2_string (k->first),
298 enum_2_string (base)));
300 k->second = i->second;
306 Route::set_remote_control_id_from_order_key (RouteSortOrderKey key, uint32_t rid)
308 if (is_master() || is_monitor() || is_hidden()) {
309 /* hard-coded remote IDs, or no remote ID */
313 if (_remote_control_id != rid) {
314 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1: set edit-based RID to %2\n", name(), rid));
315 _remote_control_id = rid;
316 RemoteControlIDChanged (); /* EMIT SIGNAL (per-route) */
319 /* don't emit the class-level RID signal RemoteControlIDChange here,
320 leave that to the entity that changed the order key, so that we
321 don't get lots of emissions for no good reasons (e.g. when changing
322 all route order keys).
324 See Session::sync_remote_id_from_order_keys() for the (primary|only)
325 spot where that is emitted.
330 Route::set_order_key (RouteSortOrderKey key, uint32_t n)
332 OrderKeys::iterator i = order_keys.find (key);
334 if (i != order_keys.end() && i->second == n) {
340 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 order key %2 set to %3\n",
341 name(), enum_2_string (key), order_key (key)));
343 _session.set_dirty ();
347 Route::ensure_track_or_route_name(string name, Session &session)
349 string newname = name;
351 while (!session.io_name_is_legal (newname)) {
352 newname = bump_name_once (newname, '.');
360 Route::inc_gain (gain_t fraction, void *src)
362 _amp->inc_gain (fraction, src);
366 Route::set_gain (gain_t val, void *src)
368 if (src != 0 && _route_group && src != _route_group && _route_group->is_active() && _route_group->is_gain()) {
370 if (_route_group->is_relative()) {
372 gain_t usable_gain = _amp->gain();
373 if (usable_gain < 0.000001f) {
374 usable_gain = 0.000001f;
378 if (delta < 0.000001f) {
382 delta -= usable_gain;
387 gain_t factor = delta / usable_gain;
390 factor = _route_group->get_max_factor(factor);
391 if (factor == 0.0f) {
392 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
396 factor = _route_group->get_min_factor(factor);
397 if (factor == 0.0f) {
398 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
403 _route_group->foreach_route (boost::bind (&Route::inc_gain, _1, factor, _route_group));
407 _route_group->foreach_route (boost::bind (&Route::set_gain, _1, val, _route_group));
413 if (val == _amp->gain()) {
417 _amp->set_gain (val, src);
421 Route::maybe_declick (BufferSet&, framecnt_t, int)
423 /* this is the "bus" implementation and they never declick.
428 /** Process this route for one (sub) cycle (process thread)
430 * @param bufs Scratch buffers to use for the signal path
431 * @param start_frame Initial transport frame
432 * @param end_frame Final transport frame
433 * @param nframes Number of frames to output (to ports)
435 * Note that (end_frame - start_frame) may not be equal to nframes when the
436 * transport speed isn't 1.0 (eg varispeed).
439 Route::process_output_buffers (BufferSet& bufs,
440 framepos_t start_frame, framepos_t end_frame, pframes_t nframes,
441 int declick, bool gain_automation_ok)
443 bufs.set_is_silent (false);
445 /* figure out if we're going to use gain automation */
446 if (gain_automation_ok) {
447 _amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
448 _amp->setup_gain_automation (start_frame, end_frame, nframes);
450 _amp->apply_gain_automation (false);
453 /* Tell main outs what to do about monitoring. We do this so that
454 on a transition between monitoring states we get a de-clicking gain
455 change in the _main_outs delivery.
457 _main_outs->no_outs_cuz_we_no_monitor (monitoring_state () == MonitoringSilence);
460 /* -------------------------------------------------------------------------------------------
461 GLOBAL DECLICK (for transport changes etc.)
462 ----------------------------------------------------------------------------------------- */
464 maybe_declick (bufs, nframes, declick);
465 _pending_declick = 0;
467 /* -------------------------------------------------------------------------------------------
468 DENORMAL CONTROL/PHASE INVERT
469 ----------------------------------------------------------------------------------------- */
471 if (_phase_invert.any ()) {
475 if (_denormal_protection || Config->get_denormal_protection()) {
477 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
478 Sample* const sp = i->data();
480 if (_phase_invert[chn]) {
481 for (pframes_t nx = 0; nx < nframes; ++nx) {
486 for (pframes_t nx = 0; nx < nframes; ++nx) {
494 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
495 Sample* const sp = i->data();
497 if (_phase_invert[chn]) {
498 for (pframes_t nx = 0; nx < nframes; ++nx) {
507 if (_denormal_protection || Config->get_denormal_protection()) {
509 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
510 Sample* const sp = i->data();
511 for (pframes_t nx = 0; nx < nframes; ++nx) {
519 /* -------------------------------------------------------------------------------------------
521 ----------------------------------------------------------------------------------------- */
523 /* set this to be true if the meter will already have been ::run() earlier */
524 bool const meter_already_run = metering_state() == MeteringInput;
526 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
528 if (meter_already_run && boost::dynamic_pointer_cast<PeakMeter> (*i)) {
529 /* don't ::run() the meter, otherwise it will have its previous peak corrupted */
534 /* if it has any inputs, make sure they match */
535 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i) == 0 && (*i)->input_streams() != ChanCount::ZERO) {
536 if (bufs.count() != (*i)->input_streams()) {
538 DEBUG::Processors, string_compose (
539 "%1 bufs = %2 input for %3 = %4\n",
540 _name, bufs.count(), (*i)->name(), (*i)->input_streams()
548 /* should we NOT run plugins here if the route is inactive?
549 do we catch route != active somewhere higher?
552 (*i)->run (bufs, start_frame, end_frame, nframes, *i != _processors.back());
553 bufs.set_count ((*i)->output_streams());
558 Route::n_process_buffers ()
560 return max (_input->n_ports(), processor_max_streams);
564 Route::passthru (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
566 BufferSet& bufs = _session.get_scratch_buffers (n_process_buffers());
570 assert (bufs.available() >= input_streams());
572 if (_input->n_ports() == ChanCount::ZERO) {
573 silence_unlocked (nframes);
576 bufs.set_count (input_streams());
578 if (is_monitor() && _session.listening() && !_session.is_auditioning()) {
580 /* control/monitor bus ignores input ports when something is
581 feeding the listen "stream". data will "arrive" into the
582 route from the intreturn processor element.
584 bufs.silence (nframes, 0);
588 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
590 BufferSet::iterator o = bufs.begin(*t);
591 PortSet& ports (_input->ports());
593 for (PortSet::iterator i = ports.begin(*t); i != ports.end(*t); ++i, ++o) {
594 o->read_from (i->get_buffer(nframes), nframes);
599 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
600 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, true);
604 Route::passthru_silence (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
606 BufferSet& bufs (_session.get_silent_buffers (n_process_buffers()));
608 bufs.set_count (_input->n_ports());
609 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
610 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, false);
614 Route::set_listen (bool yn, void* src)
620 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
621 _route_group->foreach_route (boost::bind (&Route::set_listen, _1, yn, _route_group));
626 if (yn != _monitor_send->active()) {
628 _monitor_send->activate ();
629 _mute_master->set_soloed (true);
631 _monitor_send->deactivate ();
632 _mute_master->set_soloed (false);
635 listen_changed (src); /* EMIT SIGNAL */
641 Route::listening_via_monitor () const
644 return _monitor_send->active ();
651 Route::set_solo_safe (bool yn, void *src)
653 if (_solo_safe != yn) {
655 solo_safe_changed (src);
660 Route::solo_safe() const
666 Route::set_solo (bool yn, void *src)
669 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 ignore solo change due to solo-safe\n", name()));
673 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
674 _route_group->foreach_route (boost::bind (&Route::set_solo, _1, yn, _route_group));
678 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1: set solo => %2, src: %3 grp ? %4 currently self-soloed ? %5\n",
679 name(), yn, src, (src == _route_group), self_soloed()));
681 if (self_soloed() != yn) {
683 set_mute_master_solo ();
684 solo_changed (true, src); /* EMIT SIGNAL */
685 _solo_control->Changed (); /* EMIT SIGNAL */
690 Route::set_self_solo (bool yn)
692 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1: set SELF solo => %2\n", name(), yn));
697 Route::mod_solo_by_others_upstream (int32_t delta)
700 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 ignore solo-by-upstream due to solo-safe\n", name()));
704 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 mod solo-by-upstream by %2, current up = %3 down = %4\n",
705 name(), delta, _soloed_by_others_upstream, _soloed_by_others_downstream));
707 uint32_t old_sbu = _soloed_by_others_upstream;
710 if (_soloed_by_others_upstream >= (uint32_t) abs (delta)) {
711 _soloed_by_others_upstream += delta;
713 _soloed_by_others_upstream = 0;
716 _soloed_by_others_upstream += delta;
719 DEBUG_TRACE (DEBUG::Solo, string_compose (
720 "%1 SbU delta %2 = %3 old = %4 sbd %5 ss %6 exclusive %7\n",
721 name(), delta, _soloed_by_others_upstream, old_sbu,
722 _soloed_by_others_downstream, _self_solo, Config->get_exclusive_solo()));
724 /* push the inverse solo change to everything that feeds us.
726 This is important for solo-within-group. When we solo 1 track out of N that
727 feed a bus, that track will cause mod_solo_by_upstream (+1) to be called
728 on the bus. The bus then needs to call mod_solo_by_downstream (-1) on all
729 tracks that feed it. This will silence them if they were audible because
730 of a bus solo, but the newly soloed track will still be audible (because
733 but .. do this only when we are being told to solo-by-upstream (i.e delta = +1),
737 if ((_self_solo || _soloed_by_others_downstream) &&
738 ((old_sbu == 0 && _soloed_by_others_upstream > 0) ||
739 (old_sbu > 0 && _soloed_by_others_upstream == 0))) {
741 if (delta > 0 || !Config->get_exclusive_solo()) {
742 DEBUG_TRACE (DEBUG::Solo, "\t ... INVERT push\n");
743 for (FedBy::iterator i = _fed_by.begin(); i != _fed_by.end(); ++i) {
744 boost::shared_ptr<Route> sr = i->r.lock();
746 sr->mod_solo_by_others_downstream (-delta);
752 set_mute_master_solo ();
753 solo_changed (false, this);
757 Route::mod_solo_by_others_downstream (int32_t delta)
760 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 ignore solo-by-downstream due to solo safe\n", name()));
764 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 mod solo-by-downstream by %2, current up = %3 down = %4\n",
765 name(), delta, _soloed_by_others_upstream, _soloed_by_others_downstream));
768 if (_soloed_by_others_downstream >= (uint32_t) abs (delta)) {
769 _soloed_by_others_downstream += delta;
771 _soloed_by_others_downstream = 0;
774 _soloed_by_others_downstream += delta;
777 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 SbD delta %2 = %3\n", name(), delta, _soloed_by_others_downstream));
779 set_mute_master_solo ();
780 solo_changed (false, this);
784 Route::set_mute_master_solo ()
786 _mute_master->set_soloed (self_soloed() || soloed_by_others_downstream() || soloed_by_others_upstream());
790 Route::set_solo_isolated (bool yn, void *src)
792 if (is_master() || is_monitor() || is_hidden()) {
796 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
797 _route_group->foreach_route (boost::bind (&Route::set_solo_isolated, _1, yn, _route_group));
801 /* forward propagate solo-isolate status to everything fed by this route, but not those via sends only */
803 boost::shared_ptr<RouteList> routes = _session.get_routes ();
804 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
806 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
811 bool does_feed = direct_feeds_according_to_graph (*i, &sends_only); // we will recurse anyway, so don't use ::feeds()
813 if (does_feed && !sends_only) {
814 (*i)->set_solo_isolated (yn, (*i)->route_group());
818 /* XXX should we back-propagate as well? (April 2010: myself and chris goddard think not) */
820 bool changed = false;
823 if (_solo_isolated == 0) {
824 _mute_master->set_solo_ignore (true);
829 if (_solo_isolated > 0) {
831 if (_solo_isolated == 0) {
832 _mute_master->set_solo_ignore (false);
839 solo_isolated_changed (src);
844 Route::solo_isolated () const
846 return _solo_isolated > 0;
850 Route::set_mute_points (MuteMaster::MutePoint mp)
852 _mute_master->set_mute_points (mp);
853 mute_points_changed (); /* EMIT SIGNAL */
855 if (_mute_master->muted_by_self()) {
856 mute_changed (this); /* EMIT SIGNAL */
857 _mute_control->Changed (); /* EMIT SIGNAL */
862 Route::set_mute (bool yn, void *src)
864 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_mute()) {
865 _route_group->foreach_route (boost::bind (&Route::set_mute, _1, yn, _route_group));
870 _mute_master->set_muted_by_self (yn);
871 /* allow any derived classes to respond to the mute change
872 before anybody else knows about it.
875 /* tell everyone else */
876 mute_changed (src); /* EMIT SIGNAL */
877 _mute_control->Changed (); /* EMIT SIGNAL */
882 Route::muted () const
884 return _mute_master->muted_by_self();
889 dump_processors(const string& name, const list<boost::shared_ptr<Processor> >& procs)
891 cerr << name << " {" << endl;
892 for (list<boost::shared_ptr<Processor> >::const_iterator p = procs.begin();
893 p != procs.end(); ++p) {
894 cerr << "\t" << (*p)->name() << " ID = " << (*p)->id() << " @ " << (*p) << endl;
900 /** Supposing that we want to insert a Processor at a given Placement, return
901 * the processor to add the new one before (or 0 to add at the end).
903 boost::shared_ptr<Processor>
904 Route::before_processor_for_placement (Placement p)
906 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
908 ProcessorList::iterator loc;
911 /* generic pre-fader: insert immediately before the amp */
912 loc = find (_processors.begin(), _processors.end(), _amp);
914 /* generic post-fader: insert right before the main outs */
915 loc = find (_processors.begin(), _processors.end(), _main_outs);
918 return loc != _processors.end() ? *loc : boost::shared_ptr<Processor> ();
921 /** Supposing that we want to insert a Processor at a given index, return
922 * the processor to add the new one before (or 0 to add at the end).
924 boost::shared_ptr<Processor>
925 Route::before_processor_for_index (int index)
928 return boost::shared_ptr<Processor> ();
931 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
933 ProcessorList::iterator i = _processors.begin ();
935 while (i != _processors.end() && j < index) {
936 if ((*i)->display_to_user()) {
943 return (i != _processors.end() ? *i : boost::shared_ptr<Processor> ());
946 /** Add a processor either pre- or post-fader
947 * @return 0 on success, non-0 on failure.
950 Route::add_processor (boost::shared_ptr<Processor> processor, Placement placement, ProcessorStreams* err, bool activation_allowed)
952 return add_processor (processor, before_processor_for_placement (placement), err, activation_allowed);
956 /** Add a processor to a route such that it ends up with a given index into the visible processors.
957 * @param index Index to add the processor at, or -1 to add at the end of the list.
958 * @return 0 on success, non-0 on failure.
961 Route::add_processor_by_index (boost::shared_ptr<Processor> processor, int index, ProcessorStreams* err, bool activation_allowed)
963 return add_processor (processor, before_processor_for_index (index), err, activation_allowed);
966 /** Add a processor to the route.
967 * @param before An existing processor in the list, or 0; the new processor will be inserted immediately before it (or at the end).
968 * @return 0 on success, non-0 on failure.
971 Route::add_processor (boost::shared_ptr<Processor> processor, boost::shared_ptr<Processor> before, ProcessorStreams* err, bool activation_allowed)
973 assert (processor != _meter);
974 assert (processor != _main_outs);
976 DEBUG_TRACE (DEBUG::Processors, string_compose (
977 "%1 adding processor %2\n", name(), processor->name()));
979 if (!_session.engine().connected() || !processor) {
984 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
985 ProcessorState pstate (this);
987 boost::shared_ptr<PluginInsert> pi;
988 boost::shared_ptr<PortInsert> porti;
990 if (processor == _amp) {
991 /* Ensure that only one amp is in the list at any time */
992 ProcessorList::iterator check = find (_processors.begin(), _processors.end(), processor);
993 if (check != _processors.end()) {
994 if (before == _amp) {
995 /* Already in position; all is well */
998 _processors.erase (check);
1003 assert (find (_processors.begin(), _processors.end(), processor) == _processors.end ());
1005 ProcessorList::iterator loc;
1007 /* inserting before a processor; find it */
1008 loc = find (_processors.begin(), _processors.end(), before);
1009 if (loc == _processors.end ()) {
1014 /* inserting at end */
1015 loc = _processors.end ();
1018 _processors.insert (loc, processor);
1020 // Set up processor list channels. This will set processor->[input|output]_streams(),
1021 // configure redirect ports properly, etc.
1024 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1026 if (configure_processors_unlocked (err)) {
1028 configure_processors_unlocked (0); // it worked before we tried to add it ...
1033 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(processor)) != 0) {
1035 if (pi->has_no_inputs ()) {
1036 /* generator plugin */
1037 _have_internal_generator = true;
1042 if (activation_allowed && !_session.get_disable_all_loaded_plugins()) {
1043 processor->activate ();
1046 processor->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1048 _output->set_user_latency (0);
1051 reset_instrument_info ();
1052 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1053 set_processor_positions ();
1059 Route::add_processor_from_xml_2X (const XMLNode& node, int version)
1061 const XMLProperty *prop;
1064 boost::shared_ptr<Processor> processor;
1066 /* bit of a hack: get the `placement' property from the <Redirect> tag here
1067 so that we can add the processor in the right place (pre/post-fader)
1070 XMLNodeList const & children = node.children ();
1071 XMLNodeList::const_iterator i = children.begin ();
1073 while (i != children.end() && (*i)->name() != X_("Redirect")) {
1077 Placement placement = PreFader;
1079 if (i != children.end()) {
1080 if ((prop = (*i)->property (X_("placement"))) != 0) {
1081 placement = Placement (string_2_enum (prop->value(), placement));
1085 if (node.name() == "Insert") {
1087 if ((prop = node.property ("type")) != 0) {
1089 if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
1090 prop->value() == "lv2" ||
1091 prop->value() == "windows-vst" ||
1092 prop->value() == "lxvst" ||
1093 prop->value() == "audiounit") {
1095 processor.reset (new PluginInsert (_session));
1099 processor.reset (new PortInsert (_session, _pannable, _mute_master));
1104 } else if (node.name() == "Send") {
1106 processor.reset (new Send (_session, _pannable, _mute_master));
1110 error << string_compose(_("unknown Processor type \"%1\"; ignored"), node.name()) << endmsg;
1114 if (processor->set_state (node, version)) {
1118 return (add_processor (processor, placement) == 0);
1121 catch (failed_constructor &err) {
1122 warning << _("processor could not be created. Ignored.") << endmsg;
1128 Route::add_processors (const ProcessorList& others, boost::shared_ptr<Processor> before, ProcessorStreams* err)
1130 /* NOTE: this is intended to be used ONLY when copying
1131 processors from another Route. Hence the subtle
1132 differences between this and ::add_processor()
1135 ProcessorList::iterator loc;
1138 loc = find(_processors.begin(), _processors.end(), before);
1140 /* nothing specified - at end */
1141 loc = _processors.end ();
1144 if (!_session.engine().connected()) {
1148 if (others.empty()) {
1153 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1154 ProcessorState pstate (this);
1156 for (ProcessorList::const_iterator i = others.begin(); i != others.end(); ++i) {
1162 boost::shared_ptr<PluginInsert> pi;
1164 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1168 _processors.insert (loc, *i);
1170 if ((*i)->active()) {
1175 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1176 if (configure_processors_unlocked (err)) {
1178 configure_processors_unlocked (0); // it worked before we tried to add it ...
1183 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1186 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
1187 boost::shared_ptr<PluginInsert> pi;
1189 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1190 if (pi->has_no_inputs ()) {
1191 _have_internal_generator = true;
1197 _output->set_user_latency (0);
1200 reset_instrument_info ();
1201 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1202 set_processor_positions ();
1208 Route::placement_range(Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end)
1210 if (p == PreFader) {
1211 start = _processors.begin();
1212 end = find(_processors.begin(), _processors.end(), _amp);
1214 start = find(_processors.begin(), _processors.end(), _amp);
1216 end = _processors.end();
1220 /** Turn off all processors with a given placement
1221 * @param p Placement of processors to disable
1224 Route::disable_processors (Placement p)
1226 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1228 ProcessorList::iterator start, end;
1229 placement_range(p, start, end);
1231 for (ProcessorList::iterator i = start; i != end; ++i) {
1232 (*i)->deactivate ();
1235 _session.set_dirty ();
1238 /** Turn off all redirects
1241 Route::disable_processors ()
1243 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1245 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1246 (*i)->deactivate ();
1249 _session.set_dirty ();
1252 /** Turn off all redirects with a given placement
1253 * @param p Placement of redirects to disable
1256 Route::disable_plugins (Placement p)
1258 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1260 ProcessorList::iterator start, end;
1261 placement_range(p, start, end);
1263 for (ProcessorList::iterator i = start; i != end; ++i) {
1264 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1265 (*i)->deactivate ();
1269 _session.set_dirty ();
1272 /** Turn off all plugins
1275 Route::disable_plugins ()
1277 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1279 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1280 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1281 (*i)->deactivate ();
1285 _session.set_dirty ();
1290 Route::ab_plugins (bool forward)
1292 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1296 /* forward = turn off all active redirects, and mark them so that the next time
1297 we go the other way, we will revert them
1300 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1301 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1305 if ((*i)->active()) {
1306 (*i)->deactivate ();
1307 (*i)->set_next_ab_is_active (true);
1309 (*i)->set_next_ab_is_active (false);
1315 /* backward = if the redirect was marked to go active on the next ab, do so */
1317 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1319 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1323 if ((*i)->get_next_ab_is_active()) {
1326 (*i)->deactivate ();
1331 _session.set_dirty ();
1335 /** Remove processors with a given placement.
1336 * @param p Placement of processors to remove.
1339 Route::clear_processors (Placement p)
1341 if (!_session.engine().connected()) {
1345 bool already_deleting = _session.deletion_in_progress();
1346 if (!already_deleting) {
1347 _session.set_deletion_in_progress();
1351 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1352 ProcessorList new_list;
1353 ProcessorStreams err;
1354 bool seen_amp = false;
1356 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1362 if ((*i) == _amp || (*i) == _meter || (*i) == _main_outs) {
1364 /* you can't remove these */
1366 new_list.push_back (*i);
1373 new_list.push_back (*i);
1376 (*i)->drop_references ();
1384 (*i)->drop_references ();
1387 new_list.push_back (*i);
1394 _processors = new_list;
1397 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1398 configure_processors_unlocked (&err); // this can't fail
1402 processor_max_streams.reset();
1403 _have_internal_generator = false;
1404 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1405 set_processor_positions ();
1407 reset_instrument_info ();
1409 if (!already_deleting) {
1410 _session.clear_deletion_in_progress();
1415 Route::remove_processor (boost::shared_ptr<Processor> processor, ProcessorStreams* err, bool need_process_lock)
1417 // TODO once the export point can be configured properly, do something smarter here
1418 if (processor == _capturing_processor) {
1419 _capturing_processor.reset();
1422 /* these can never be removed */
1424 if (processor == _amp || processor == _meter || processor == _main_outs) {
1428 if (!_session.engine().connected()) {
1432 processor_max_streams.reset();
1435 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1436 ProcessorState pstate (this);
1438 ProcessorList::iterator i;
1439 bool removed = false;
1441 for (i = _processors.begin(); i != _processors.end(); ) {
1442 if (*i == processor) {
1444 /* move along, see failure case for configure_processors()
1445 where we may need to reconfigure the processor.
1448 /* stop redirects that send signals to JACK ports
1449 from causing noise as a result of no longer being
1453 boost::shared_ptr<IOProcessor> iop;
1455 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (*i)) != 0) {
1459 i = _processors.erase (i);
1467 _output->set_user_latency (0);
1475 if (need_process_lock) {
1476 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1478 if (configure_processors_unlocked (err)) {
1480 /* we know this will work, because it worked before :) */
1481 configure_processors_unlocked (0);
1485 if (configure_processors_unlocked (err)) {
1487 /* we know this will work, because it worked before :) */
1488 configure_processors_unlocked (0);
1493 _have_internal_generator = false;
1495 for (i = _processors.begin(); i != _processors.end(); ++i) {
1496 boost::shared_ptr<PluginInsert> pi;
1498 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1499 if (pi->has_no_inputs ()) {
1500 _have_internal_generator = true;
1507 reset_instrument_info ();
1508 processor->drop_references ();
1509 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1510 set_processor_positions ();
1516 Route::remove_processors (const ProcessorList& to_be_deleted, ProcessorStreams* err)
1518 ProcessorList deleted;
1520 if (!_session.engine().connected()) {
1524 processor_max_streams.reset();
1527 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1528 ProcessorState pstate (this);
1530 ProcessorList::iterator i;
1531 boost::shared_ptr<Processor> processor;
1533 for (i = _processors.begin(); i != _processors.end(); ) {
1537 /* these can never be removed */
1539 if (processor == _amp || processor == _meter || processor == _main_outs) {
1544 /* see if its in the list of processors to delete */
1546 if (find (to_be_deleted.begin(), to_be_deleted.end(), processor) == to_be_deleted.end()) {
1551 /* stop IOProcessors that send to JACK ports
1552 from causing noise as a result of no longer being
1556 boost::shared_ptr<IOProcessor> iop;
1558 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (processor)) != 0) {
1562 deleted.push_back (processor);
1563 i = _processors.erase (i);
1566 if (deleted.empty()) {
1567 /* none of those in the requested list were found */
1571 _output->set_user_latency (0);
1574 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1576 if (configure_processors_unlocked (err)) {
1578 /* we know this will work, because it worked before :) */
1579 configure_processors_unlocked (0);
1584 _have_internal_generator = false;
1586 for (i = _processors.begin(); i != _processors.end(); ++i) {
1587 boost::shared_ptr<PluginInsert> pi;
1589 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1590 if (pi->has_no_inputs ()) {
1591 _have_internal_generator = true;
1598 /* now try to do what we need to so that those that were removed will be deleted */
1600 for (ProcessorList::iterator i = deleted.begin(); i != deleted.end(); ++i) {
1601 (*i)->drop_references ();
1604 reset_instrument_info ();
1605 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1606 set_processor_positions ();
1612 Route::reset_instrument_info ()
1614 boost::shared_ptr<Processor> instr = the_instrument();
1616 _instrument_info.set_internal_instrument (instr);
1620 /** Caller must hold process lock */
1622 Route::configure_processors (ProcessorStreams* err)
1624 assert (!AudioEngine::instance()->process_lock().trylock());
1626 if (!_in_configure_processors) {
1627 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1628 return configure_processors_unlocked (err);
1635 Route::input_streams () const
1637 return _input->n_ports ();
1640 list<pair<ChanCount, ChanCount> >
1641 Route::try_configure_processors (ChanCount in, ProcessorStreams* err)
1643 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1645 return try_configure_processors_unlocked (in, err);
1648 list<pair<ChanCount, ChanCount> >
1649 Route::try_configure_processors_unlocked (ChanCount in, ProcessorStreams* err)
1651 // Check each processor in order to see if we can configure as requested
1653 list<pair<ChanCount, ChanCount> > configuration;
1656 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configure processors\n", _name));
1657 DEBUG_TRACE (DEBUG::Processors, "{\n");
1659 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++index) {
1661 if (boost::dynamic_pointer_cast<UnknownProcessor> (*p)) {
1662 DEBUG_TRACE (DEBUG::Processors, "--- CONFIGURE ABORTED due to unknown processor.\n");
1666 if ((*p)->can_support_io_configuration(in, out)) {
1667 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1 ID=%2 in=%3 out=%4\n",(*p)->name(), (*p)->id(), in, out));
1668 configuration.push_back(make_pair(in, out));
1675 DEBUG_TRACE (DEBUG::Processors, "---- CONFIGURATION FAILED.\n");
1676 DEBUG_TRACE (DEBUG::Processors, string_compose ("---- %1 cannot support in=%2 out=%3\n", (*p)->name(), in, out));
1677 DEBUG_TRACE (DEBUG::Processors, "}\n");
1678 return list<pair<ChanCount, ChanCount> > ();
1682 DEBUG_TRACE (DEBUG::Processors, "}\n");
1684 return configuration;
1687 /** Set the input/output configuration of each processor in the processors list.
1688 * Caller must hold process lock.
1689 * Return 0 on success, otherwise configuration is impossible.
1692 Route::configure_processors_unlocked (ProcessorStreams* err)
1694 assert (!AudioEngine::instance()->process_lock().trylock());
1696 if (_in_configure_processors) {
1700 /* put invisible processors where they should be */
1701 setup_invisible_processors ();
1703 _in_configure_processors = true;
1705 list<pair<ChanCount, ChanCount> > configuration = try_configure_processors_unlocked (input_streams (), err);
1707 if (configuration.empty ()) {
1708 _in_configure_processors = false;
1714 list< pair<ChanCount,ChanCount> >::iterator c = configuration.begin();
1715 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++c) {
1717 if (boost::dynamic_pointer_cast<UnknownProcessor> (*p)) {
1721 (*p)->configure_io(c->first, c->second);
1722 processor_max_streams = ChanCount::max(processor_max_streams, c->first);
1723 processor_max_streams = ChanCount::max(processor_max_streams, c->second);
1728 _meter->reset_max_channels (processor_max_streams);
1731 /* make sure we have sufficient scratch buffers to cope with the new processor
1734 _session.ensure_buffers (n_process_buffers ());
1736 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configuration complete\n", _name));
1738 _in_configure_processors = false;
1742 /** Set all visible processors to a given active state (except Fader, whose state is not changed)
1743 * @param state New active state for those processors.
1746 Route::all_visible_processors_active (bool state)
1748 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1750 if (_processors.empty()) {
1754 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1755 if (!(*i)->display_to_user() || boost::dynamic_pointer_cast<Amp> (*i)) {
1762 (*i)->deactivate ();
1766 _session.set_dirty ();
1770 Route::reorder_processors (const ProcessorList& new_order, ProcessorStreams* err)
1772 /* "new_order" is an ordered list of processors to be positioned according to "placement".
1773 NOTE: all processors in "new_order" MUST be marked as display_to_user(). There maybe additional
1774 processors in the current actual processor list that are hidden. Any visible processors
1775 in the current list but not in "new_order" will be assumed to be deleted.
1779 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1780 ProcessorState pstate (this);
1782 ProcessorList::iterator oiter;
1783 ProcessorList::const_iterator niter;
1784 ProcessorList as_it_will_be;
1786 oiter = _processors.begin();
1787 niter = new_order.begin();
1789 while (niter != new_order.end()) {
1791 /* if the next processor in the old list is invisible (i.e. should not be in the new order)
1792 then append it to the temp list.
1794 Otherwise, see if the next processor in the old list is in the new list. if not,
1795 its been deleted. If its there, append it to the temp list.
1798 if (oiter == _processors.end()) {
1800 /* no more elements in the old list, so just stick the rest of
1801 the new order onto the temp list.
1804 as_it_will_be.insert (as_it_will_be.end(), niter, new_order.end());
1805 while (niter != new_order.end()) {
1812 if (!(*oiter)->display_to_user()) {
1814 as_it_will_be.push_back (*oiter);
1818 /* visible processor: check that its in the new order */
1820 if (find (new_order.begin(), new_order.end(), (*oiter)) == new_order.end()) {
1821 /* deleted: do nothing, shared_ptr<> will clean up */
1823 /* ignore this one, and add the next item from the new order instead */
1824 as_it_will_be.push_back (*niter);
1829 /* now remove from old order - its taken care of no matter what */
1830 oiter = _processors.erase (oiter);
1835 _processors.insert (oiter, as_it_will_be.begin(), as_it_will_be.end());
1837 /* If the meter is in a custom position, find it and make a rough note of its position */
1838 maybe_note_meter_position ();
1841 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1843 if (configure_processors_unlocked (err)) {
1850 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1851 set_processor_positions ();
1863 Route::get_template()
1865 return state(false);
1869 Route::state(bool full_state)
1871 XMLNode *node = new XMLNode("Route");
1872 ProcessorList::iterator i;
1875 id().print (buf, sizeof (buf));
1876 node->add_property("id", buf);
1877 node->add_property ("name", _name);
1878 node->add_property("default-type", _default_type.to_string());
1881 node->add_property("flags", enum_2_string (_flags));
1884 node->add_property("active", _active?"yes":"no");
1886 boost::to_string (_phase_invert, p);
1887 node->add_property("phase-invert", p);
1888 node->add_property("denormal-protection", _denormal_protection?"yes":"no");
1889 node->add_property("meter-point", enum_2_string (_meter_point));
1892 node->add_property("route-group", _route_group->name());
1895 string order_string;
1896 OrderKeys::iterator x = order_keys.begin();
1898 while (x != order_keys.end()) {
1899 order_string += enum_2_string ((*x).first);
1900 order_string += '=';
1901 snprintf (buf, sizeof(buf), "%" PRId32, (*x).second);
1902 order_string += buf;
1906 if (x == order_keys.end()) {
1910 order_string += ':';
1912 node->add_property ("order-keys", order_string);
1913 node->add_property ("self-solo", (_self_solo ? "yes" : "no"));
1914 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_upstream);
1915 node->add_property ("soloed-by-upstream", buf);
1916 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_downstream);
1917 node->add_property ("soloed-by-downstream", buf);
1918 node->add_property ("solo-isolated", solo_isolated() ? "yes" : "no");
1919 node->add_property ("solo-safe", _solo_safe ? "yes" : "no");
1921 node->add_child_nocopy (_input->state (full_state));
1922 node->add_child_nocopy (_output->state (full_state));
1923 node->add_child_nocopy (_solo_control->get_state ());
1924 node->add_child_nocopy (_mute_control->get_state ());
1925 node->add_child_nocopy (_mute_master->get_state ());
1927 XMLNode* remote_control_node = new XMLNode (X_("RemoteControl"));
1928 snprintf (buf, sizeof (buf), "%d", _remote_control_id);
1929 remote_control_node->add_property (X_("id"), buf);
1930 node->add_child_nocopy (*remote_control_node);
1932 if (_comment.length()) {
1933 XMLNode *cmt = node->add_child ("Comment");
1934 cmt->add_content (_comment);
1938 node->add_child_nocopy (_pannable->state (full_state));
1941 for (i = _processors.begin(); i != _processors.end(); ++i) {
1943 /* template save: do not include internal sends functioning as
1944 aux sends because the chance of the target ID
1945 in the session where this template is used
1948 similarly, do not save listen sends which connect to
1949 the monitor section, because these will always be
1952 boost::shared_ptr<InternalSend> is;
1954 if ((is = boost::dynamic_pointer_cast<InternalSend> (*i)) != 0) {
1955 if (is->role() == Delivery::Aux || is->role() == Delivery::Listen) {
1960 node->add_child_nocopy((*i)->state (full_state));
1964 node->add_child_copy (*_extra_xml);
1967 if (_custom_meter_position_noted) {
1968 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
1970 after->id().print (buf, sizeof (buf));
1971 node->add_property (X_("processor-after-last-custom-meter"), buf);
1974 node->add_property (X_("last-custom-meter-was-at-end"), _last_custom_meter_was_at_end ? "yes" : "no");
1981 Route::set_state (const XMLNode& node, int version)
1983 if (version < 3000) {
1984 return set_state_2X (node, version);
1988 XMLNodeConstIterator niter;
1990 const XMLProperty *prop;
1992 if (node.name() != "Route"){
1993 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
1997 if ((prop = node.property (X_("name"))) != 0) {
1998 Route::set_name (prop->value());
2003 if ((prop = node.property (X_("flags"))) != 0) {
2004 _flags = Flag (string_2_enum (prop->value(), _flags));
2009 if (is_master() || is_monitor() || is_hidden()) {
2010 _mute_master->set_solo_ignore (true);
2014 /* monitor bus does not get a panner, but if (re)created
2015 via XML, it will already have one by the time we
2016 call ::set_state(). so ... remove it.
2021 /* add all processors (except amp, which is always present) */
2023 nlist = node.children();
2024 XMLNode processor_state (X_("processor_state"));
2026 Stateful::save_extra_xml (node);
2028 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2032 if (child->name() == IO::state_node_name) {
2033 if ((prop = child->property (X_("direction"))) == 0) {
2037 if (prop->value() == "Input") {
2038 _input->set_state (*child, version);
2039 } else if (prop->value() == "Output") {
2040 _output->set_state (*child, version);
2044 if (child->name() == X_("Processor")) {
2045 processor_state.add_child_copy (*child);
2048 if (child->name() == X_("Pannable")) {
2050 _pannable->set_state (*child, version);
2052 warning << string_compose (_("Pannable state found for route (%1) without a panner!"), name()) << endmsg;
2057 if ((prop = node.property (X_("meter-point"))) != 0) {
2058 MeterPoint mp = MeterPoint (string_2_enum (prop->value (), _meter_point));
2059 set_meter_point (mp, true);
2061 _meter->set_display_to_user (_meter_point == MeterCustom);
2065 set_processor_state (processor_state);
2067 // this looks up the internal instrument in processors
2068 reset_instrument_info();
2070 if ((prop = node.property ("self-solo")) != 0) {
2071 set_self_solo (string_is_affirmative (prop->value()));
2074 if ((prop = node.property ("soloed-by-upstream")) != 0) {
2075 _soloed_by_others_upstream = 0; // needed for mod_.... () to work
2076 mod_solo_by_others_upstream (atoi (prop->value()));
2079 if ((prop = node.property ("soloed-by-downstream")) != 0) {
2080 _soloed_by_others_downstream = 0; // needed for mod_.... () to work
2081 mod_solo_by_others_downstream (atoi (prop->value()));
2084 if ((prop = node.property ("solo-isolated")) != 0) {
2085 set_solo_isolated (string_is_affirmative (prop->value()), this);
2088 if ((prop = node.property ("solo-safe")) != 0) {
2089 set_solo_safe (string_is_affirmative (prop->value()), this);
2092 if ((prop = node.property (X_("phase-invert"))) != 0) {
2093 set_phase_invert (boost::dynamic_bitset<> (prop->value ()));
2096 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2097 set_denormal_protection (string_is_affirmative (prop->value()));
2100 if ((prop = node.property (X_("active"))) != 0) {
2101 bool yn = string_is_affirmative (prop->value());
2102 _active = !yn; // force switch
2103 set_active (yn, this);
2106 if ((prop = node.property (X_("order-keys"))) != 0) {
2110 string::size_type colon, equal;
2111 string remaining = prop->value();
2113 while (remaining.length()) {
2115 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2116 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2119 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2120 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2123 string keyname = remaining.substr (0, equal);
2124 RouteSortOrderKey sk;
2126 if (keyname == "signal") {
2128 } else if (keyname == "editor") {
2131 sk = (RouteSortOrderKey) string_2_enum (remaining.substr (0, equal), sk);
2134 set_order_key (sk, n);
2138 colon = remaining.find_first_of (':');
2140 if (colon != string::npos) {
2141 remaining = remaining.substr (colon+1);
2148 if ((prop = node.property (X_("processor-after-last-custom-meter"))) != 0) {
2149 PBD::ID id (prop->value ());
2150 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
2151 ProcessorList::const_iterator i = _processors.begin ();
2152 while (i != _processors.end() && (*i)->id() != id) {
2156 if (i != _processors.end ()) {
2157 _processor_after_last_custom_meter = *i;
2158 _custom_meter_position_noted = true;
2162 if ((prop = node.property (X_("last-custom-meter-was-at-end"))) != 0) {
2163 _last_custom_meter_was_at_end = string_is_affirmative (prop->value ());
2166 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2169 if (child->name() == X_("Comment")) {
2171 /* XXX this is a terrible API design in libxml++ */
2173 XMLNode *cmt = *(child->children().begin());
2174 _comment = cmt->content();
2176 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2177 if (prop->value() == "solo") {
2178 _solo_control->set_state (*child, version);
2179 } else if (prop->value() == "mute") {
2180 _mute_control->set_state (*child, version);
2183 } else if (child->name() == X_("RemoteControl")) {
2184 if ((prop = child->property (X_("id"))) != 0) {
2186 sscanf (prop->value().c_str(), "%d", &x);
2187 set_remote_control_id_internal (x);
2190 } else if (child->name() == X_("MuteMaster")) {
2191 _mute_master->set_state (*child, version);
2199 Route::set_state_2X (const XMLNode& node, int version)
2202 XMLNodeConstIterator niter;
2204 const XMLProperty *prop;
2206 /* 2X things which still remain to be handled:
2212 if (node.name() != "Route") {
2213 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
2217 if ((prop = node.property (X_("flags"))) != 0) {
2218 string f = prop->value ();
2219 boost::replace_all (f, "ControlOut", "MonitorOut");
2220 _flags = Flag (string_2_enum (f, _flags));
2225 if (is_master() || is_monitor() || is_hidden()) {
2226 _mute_master->set_solo_ignore (true);
2229 if ((prop = node.property (X_("phase-invert"))) != 0) {
2230 boost::dynamic_bitset<> p (_input->n_ports().n_audio ());
2231 if (string_is_affirmative (prop->value ())) {
2234 set_phase_invert (p);
2237 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2238 set_denormal_protection (string_is_affirmative (prop->value()));
2241 if ((prop = node.property (X_("soloed"))) != 0) {
2242 bool yn = string_is_affirmative (prop->value());
2244 /* XXX force reset of solo status */
2246 set_solo (yn, this);
2249 if ((prop = node.property (X_("muted"))) != 0) {
2252 bool muted = string_is_affirmative (prop->value());
2258 if ((prop = node.property (X_("mute-affects-pre-fader"))) != 0) {
2260 if (string_is_affirmative (prop->value())){
2261 mute_point = mute_point + "PreFader";
2266 if ((prop = node.property (X_("mute-affects-post-fader"))) != 0) {
2268 if (string_is_affirmative (prop->value())){
2271 mute_point = mute_point + ",";
2274 mute_point = mute_point + "PostFader";
2279 if ((prop = node.property (X_("mute-affects-control-outs"))) != 0) {
2281 if (string_is_affirmative (prop->value())){
2284 mute_point = mute_point + ",";
2287 mute_point = mute_point + "Listen";
2292 if ((prop = node.property (X_("mute-affects-main-outs"))) != 0) {
2294 if (string_is_affirmative (prop->value())){
2297 mute_point = mute_point + ",";
2300 mute_point = mute_point + "Main";
2304 _mute_master->set_mute_points (mute_point);
2305 _mute_master->set_muted_by_self (true);
2309 if ((prop = node.property (X_("meter-point"))) != 0) {
2310 _meter_point = MeterPoint (string_2_enum (prop->value (), _meter_point));
2313 /* do not carry over edit/mix groups from 2.X because (a) its hard (b) they
2314 don't mean the same thing.
2317 if ((prop = node.property (X_("order-keys"))) != 0) {
2321 string::size_type colon, equal;
2322 string remaining = prop->value();
2324 while (remaining.length()) {
2326 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2327 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2330 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2331 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2334 string keyname = remaining.substr (0, equal);
2335 RouteSortOrderKey sk;
2337 if (keyname == "signal") {
2339 } else if (keyname == "editor") {
2342 sk = (RouteSortOrderKey) string_2_enum (remaining.substr (0, equal), sk);
2345 set_order_key (sk, n);
2349 colon = remaining.find_first_of (':');
2351 if (colon != string::npos) {
2352 remaining = remaining.substr (colon+1);
2361 nlist = node.children ();
2362 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2366 if (child->name() == IO::state_node_name) {
2368 /* there is a note in IO::set_state_2X() about why we have to call
2372 _input->set_state_2X (*child, version, true);
2373 _output->set_state_2X (*child, version, false);
2375 if ((prop = child->property (X_("name"))) != 0) {
2376 Route::set_name (prop->value ());
2381 if ((prop = child->property (X_("active"))) != 0) {
2382 bool yn = string_is_affirmative (prop->value());
2383 _active = !yn; // force switch
2384 set_active (yn, this);
2387 if ((prop = child->property (X_("gain"))) != 0) {
2390 if (sscanf (prop->value().c_str(), "%f", &val) == 1) {
2391 _amp->gain_control()->set_value (val);
2395 /* Set up Panners in the IO */
2396 XMLNodeList io_nlist = child->children ();
2398 XMLNodeConstIterator io_niter;
2401 for (io_niter = io_nlist.begin(); io_niter != io_nlist.end(); ++io_niter) {
2403 io_child = *io_niter;
2405 if (io_child->name() == X_("Panner")) {
2406 _main_outs->panner_shell()->set_state(*io_child, version);
2407 } else if (io_child->name() == X_("Automation")) {
2408 /* IO's automation is for the fader */
2409 _amp->set_automation_xml_state (*io_child, Evoral::Parameter (GainAutomation));
2415 XMLNodeList redirect_nodes;
2417 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2421 if (child->name() == X_("Send") || child->name() == X_("Insert")) {
2422 redirect_nodes.push_back(child);
2427 set_processor_state_2X (redirect_nodes, version);
2429 Stateful::save_extra_xml (node);
2431 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2434 if (child->name() == X_("Comment")) {
2436 /* XXX this is a terrible API design in libxml++ */
2438 XMLNode *cmt = *(child->children().begin());
2439 _comment = cmt->content();
2441 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2442 if (prop->value() == X_("solo")) {
2443 _solo_control->set_state (*child, version);
2444 } else if (prop->value() == X_("mute")) {
2445 _mute_control->set_state (*child, version);
2448 } else if (child->name() == X_("RemoteControl")) {
2449 if ((prop = child->property (X_("id"))) != 0) {
2451 sscanf (prop->value().c_str(), "%d", &x);
2452 set_remote_control_id_internal (x);
2462 Route::get_processor_state ()
2464 XMLNode* root = new XMLNode (X_("redirects"));
2465 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2466 root->add_child_nocopy ((*i)->state (true));
2473 Route::set_processor_state_2X (XMLNodeList const & nList, int version)
2475 /* We don't bother removing existing processors not in nList, as this
2476 method will only be called when creating a Route from scratch, not
2477 for undo purposes. Just put processors in at the appropriate place
2481 for (XMLNodeConstIterator i = nList.begin(); i != nList.end(); ++i) {
2482 add_processor_from_xml_2X (**i, version);
2487 Route::set_processor_state (const XMLNode& node)
2489 const XMLNodeList &nlist = node.children();
2490 XMLNodeConstIterator niter;
2491 ProcessorList new_order;
2492 bool must_configure = false;
2494 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2496 XMLProperty* prop = (*niter)->property ("type");
2498 if (prop->value() == "amp") {
2499 _amp->set_state (**niter, Stateful::current_state_version);
2500 new_order.push_back (_amp);
2501 } else if (prop->value() == "meter") {
2502 _meter->set_state (**niter, Stateful::current_state_version);
2503 new_order.push_back (_meter);
2504 } else if (prop->value() == "main-outs") {
2505 _main_outs->set_state (**niter, Stateful::current_state_version);
2506 } else if (prop->value() == "intreturn") {
2508 _intreturn.reset (new InternalReturn (_session));
2509 must_configure = true;
2511 _intreturn->set_state (**niter, Stateful::current_state_version);
2512 } else if (is_monitor() && prop->value() == "monitor") {
2513 if (!_monitor_control) {
2514 _monitor_control.reset (new MonitorProcessor (_session));
2515 must_configure = true;
2517 _monitor_control->set_state (**niter, Stateful::current_state_version);
2518 } else if (prop->value() == "capture") {
2519 /* CapturingProcessor should never be restored, it's always
2520 added explicitly when needed */
2522 ProcessorList::iterator o;
2524 for (o = _processors.begin(); o != _processors.end(); ++o) {
2525 XMLProperty* id_prop = (*niter)->property(X_("id"));
2526 if (id_prop && (*o)->id() == id_prop->value()) {
2527 (*o)->set_state (**niter, Stateful::current_state_version);
2528 new_order.push_back (*o);
2533 // If the processor (*niter) is not on the route then create it
2535 if (o == _processors.end()) {
2537 boost::shared_ptr<Processor> processor;
2539 if (prop->value() == "intsend") {
2541 processor.reset (new InternalSend (_session, _pannable, _mute_master, boost::shared_ptr<Route>(), Delivery::Role (0)));
2543 } else if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
2544 prop->value() == "lv2" ||
2545 prop->value() == "windows-vst" ||
2546 prop->value() == "lxvst" ||
2547 prop->value() == "audiounit") {
2549 processor.reset (new PluginInsert(_session));
2551 } else if (prop->value() == "port") {
2553 processor.reset (new PortInsert (_session, _pannable, _mute_master));
2555 } else if (prop->value() == "send") {
2557 processor.reset (new Send (_session, _pannable, _mute_master));
2560 error << string_compose(_("unknown Processor type \"%1\"; ignored"), prop->value()) << endmsg;
2564 if (processor->set_state (**niter, Stateful::current_state_version) != 0) {
2565 /* This processor could not be configured. Turn it into a UnknownProcessor */
2566 processor.reset (new UnknownProcessor (_session, **niter));
2569 /* we have to note the monitor send here, otherwise a new one will be created
2570 and the state of this one will be lost.
2572 boost::shared_ptr<InternalSend> isend = boost::dynamic_pointer_cast<InternalSend> (processor);
2573 if (isend && isend->role() == Delivery::Listen) {
2574 _monitor_send = isend;
2577 /* it doesn't matter if invisible processors are added here, as they
2578 will be sorted out by setup_invisible_processors () shortly.
2581 new_order.push_back (processor);
2582 must_configure = true;
2588 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
2589 _processors = new_order;
2591 if (must_configure) {
2592 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2593 configure_processors_unlocked (0);
2596 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
2598 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
2600 boost::shared_ptr<PluginInsert> pi;
2602 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
2603 if (pi->has_no_inputs ()) {
2604 _have_internal_generator = true;
2611 reset_instrument_info ();
2612 processors_changed (RouteProcessorChange ());
2613 set_processor_positions ();
2617 Route::curve_reallocate ()
2619 // _gain_automation_curve.finish_resize ();
2620 // _pan_automation_curve.finish_resize ();
2624 Route::silence (framecnt_t nframes)
2626 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
2631 silence_unlocked (nframes);
2635 Route::silence_unlocked (framecnt_t nframes)
2637 /* Must be called with the processor lock held */
2641 _output->silence (nframes);
2643 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2644 boost::shared_ptr<PluginInsert> pi;
2646 if (!_active && (pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
2647 // skip plugins, they don't need anything when we're not active
2651 (*i)->silence (nframes);
2654 if (nframes == _session.get_block_size()) {
2661 Route::add_internal_return ()
2664 _intreturn.reset (new InternalReturn (_session));
2665 add_processor (_intreturn, PreFader);
2670 Route::add_send_to_internal_return (InternalSend* send)
2672 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
2674 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
2675 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
2678 return d->add_send (send);
2684 Route::remove_send_from_internal_return (InternalSend* send)
2686 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
2688 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
2689 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
2692 return d->remove_send (send);
2698 Route::enable_monitor_send ()
2700 /* Caller must hold process lock */
2701 assert (!AudioEngine::instance()->process_lock().trylock());
2703 /* master never sends to monitor section via the normal mechanism */
2704 assert (!is_master ());
2706 /* make sure we have one */
2707 if (!_monitor_send) {
2708 _monitor_send.reset (new InternalSend (_session, _pannable, _mute_master, _session.monitor_out(), Delivery::Listen));
2709 _monitor_send->set_display_to_user (false);
2713 configure_processors (0);
2716 /** Add an aux send to a route.
2717 * @param route route to send to.
2718 * @param before Processor to insert before, or 0 to insert at the end.
2721 Route::add_aux_send (boost::shared_ptr<Route> route, boost::shared_ptr<Processor> before)
2723 assert (route != _session.monitor_out ());
2726 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
2728 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
2730 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend> (*x);
2732 if (d && d->target_route() == route) {
2733 /* already listening via the specified IO: do nothing */
2741 boost::shared_ptr<InternalSend> listener;
2744 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2745 listener.reset (new InternalSend (_session, _pannable, _mute_master, route, Delivery::Aux));
2748 add_processor (listener, before);
2750 } catch (failed_constructor& err) {
2758 Route::remove_aux_or_listen (boost::shared_ptr<Route> route)
2760 ProcessorStreams err;
2761 ProcessorList::iterator tmp;
2764 Glib::Threads::RWLock::ReaderLock rl(_processor_lock);
2766 /* have to do this early because otherwise processor reconfig
2767 * will put _monitor_send back in the list
2770 if (route == _session.monitor_out()) {
2771 _monitor_send.reset ();
2775 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
2777 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend>(*x);
2779 if (d && d->target_route() == route) {
2781 remove_processor (*x, &err, false);
2784 /* list could have been demolished while we dropped the lock
2795 Route::set_comment (string cmt, void *src)
2798 comment_changed (src);
2799 _session.set_dirty ();
2803 Route::add_fed_by (boost::shared_ptr<Route> other, bool via_sends_only)
2805 FeedRecord fr (other, via_sends_only);
2807 pair<FedBy::iterator,bool> result = _fed_by.insert (fr);
2809 if (!result.second) {
2811 /* already a record for "other" - make sure sends-only information is correct */
2812 if (!via_sends_only && result.first->sends_only) {
2813 FeedRecord* frp = const_cast<FeedRecord*>(&(*result.first));
2814 frp->sends_only = false;
2818 return result.second;
2822 Route::clear_fed_by ()
2828 Route::feeds (boost::shared_ptr<Route> other, bool* via_sends_only)
2830 const FedBy& fed_by (other->fed_by());
2832 for (FedBy::iterator f = fed_by.begin(); f != fed_by.end(); ++f) {
2833 boost::shared_ptr<Route> sr = f->r.lock();
2835 if (sr && (sr.get() == this)) {
2837 if (via_sends_only) {
2838 *via_sends_only = f->sends_only;
2849 Route::direct_feeds_according_to_reality (boost::shared_ptr<Route> other, bool* via_send_only)
2851 DEBUG_TRACE (DEBUG::Graph, string_compose ("Feeds? %1\n", _name));
2853 if (_output->connected_to (other->input())) {
2854 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdirect FEEDS %2\n", other->name()));
2855 if (via_send_only) {
2856 *via_send_only = false;
2863 for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
2865 boost::shared_ptr<IOProcessor> iop;
2867 if ((iop = boost::dynamic_pointer_cast<IOProcessor>(*r)) != 0) {
2868 if (iop->feeds (other)) {
2869 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does feed %2\n", iop->name(), other->name()));
2870 if (via_send_only) {
2871 *via_send_only = true;
2875 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does NOT feed %2\n", iop->name(), other->name()));
2878 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tPROC %1 is not an IOP\n", (*r)->name()));
2883 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdoes NOT feed %1\n", other->name()));
2888 Route::direct_feeds_according_to_graph (boost::shared_ptr<Route> other, bool* via_send_only)
2890 return _session._current_route_graph.has (shared_from_this (), other, via_send_only);
2893 /** Called from the (non-realtime) butler thread when the transport is stopped */
2895 Route::nonrealtime_handle_transport_stopped (bool /*abort_ignored*/, bool did_locate, bool can_flush_processors)
2897 framepos_t now = _session.transport_frame();
2900 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
2902 Automatable::transport_stopped (now);
2904 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2906 if (!_have_internal_generator && (Config->get_plugins_stop_with_transport() && can_flush_processors)) {
2910 (*i)->transport_stopped (now);
2914 _roll_delay = _initial_delay;
2918 Route::input_change_handler (IOChange change, void * /*src*/)
2920 bool need_to_queue_solo_change = true;
2922 if ((change.type & IOChange::ConfigurationChanged)) {
2923 /* This is called with the process lock held if change
2924 contains ConfigurationChanged
2926 need_to_queue_solo_change = false;
2927 configure_processors (0);
2928 _phase_invert.resize (_input->n_ports().n_audio ());
2929 io_changed (); /* EMIT SIGNAL */
2932 if (!_input->connected() && _soloed_by_others_upstream) {
2933 if (need_to_queue_solo_change) {
2934 _session.cancel_solo_after_disconnect (shared_from_this(), true);
2936 cancel_solo_after_disconnect (true);
2942 Route::output_change_handler (IOChange change, void * /*src*/)
2944 bool need_to_queue_solo_change = true;
2946 if ((change.type & IOChange::ConfigurationChanged)) {
2947 /* This is called with the process lock held if change
2948 contains ConfigurationChanged
2950 need_to_queue_solo_change = false;
2953 if (!_output->connected() && _soloed_by_others_downstream) {
2954 if (need_to_queue_solo_change) {
2955 _session.cancel_solo_after_disconnect (shared_from_this(), false);
2957 cancel_solo_after_disconnect (false);
2963 Route::cancel_solo_after_disconnect (bool upstream)
2966 _soloed_by_others_upstream = 0;
2968 _soloed_by_others_downstream = 0;
2970 set_mute_master_solo ();
2971 solo_changed (false, this);
2975 Route::pans_required () const
2977 if (n_outputs().n_audio() < 2) {
2981 return max (n_inputs ().n_audio(), processor_max_streams.n_audio());
2985 Route::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool session_state_changing)
2987 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
2992 if (n_outputs().n_total() == 0) {
2996 if (!_active || n_inputs() == ChanCount::ZERO) {
2997 silence_unlocked (nframes);
3000 if (session_state_changing) {
3001 if (_session.transport_speed() != 0.0f) {
3002 /* we're rolling but some state is changing (e.g. our diskstream contents)
3003 so we cannot use them. Be silent till this is over.
3005 XXX note the absurdity of ::no_roll() being called when we ARE rolling!
3007 silence_unlocked (nframes);
3010 /* we're really not rolling, so we're either delivery silence or actually
3011 monitoring, both of which are safe to do while session_state_changing is true.
3015 _amp->apply_gain_automation (false);
3016 passthru (start_frame, end_frame, nframes, 0);
3022 Route::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& /* need_butler */)
3024 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
3029 if (n_outputs().n_total() == 0) {
3033 if (!_active || n_inputs().n_total() == 0) {
3034 silence_unlocked (nframes);
3038 framepos_t unused = 0;
3040 if ((nframes = check_initial_delay (nframes, unused)) == 0) {
3046 passthru (start_frame, end_frame, nframes, declick);
3052 Route::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/, bool& /* need_butler */)
3059 Route::flush_processors ()
3061 /* XXX shouldn't really try to take this lock, since
3062 this is called from the RT audio thread.
3065 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3067 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3073 Route::set_meter_point (MeterPoint p, bool force)
3075 if (_meter_point == p && !force) {
3079 bool meter_was_visible_to_user = _meter->display_to_user ();
3082 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
3084 maybe_note_meter_position ();
3088 if (_meter_point != MeterCustom) {
3090 _meter->set_display_to_user (false);
3092 setup_invisible_processors ();
3096 _meter->set_display_to_user (true);
3098 /* If we have a previous position for the custom meter, try to put it there */
3099 if (_custom_meter_position_noted) {
3100 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
3103 ProcessorList::iterator i = find (_processors.begin(), _processors.end(), after);
3104 if (i != _processors.end ()) {
3105 _processors.remove (_meter);
3106 _processors.insert (i, _meter);
3108 } else if (_last_custom_meter_was_at_end) {
3109 _processors.remove (_meter);
3110 _processors.push_back (_meter);
3115 /* Set up the meter for its new position */
3117 ProcessorList::iterator loc = find (_processors.begin(), _processors.end(), _meter);
3121 if (loc == _processors.begin()) {
3122 m_in = _input->n_ports();
3124 ProcessorList::iterator before = loc;
3126 m_in = (*before)->output_streams ();
3129 _meter->reflect_inputs (m_in);
3131 /* we do not need to reconfigure the processors, because the meter
3132 (a) is always ready to handle processor_max_streams
3133 (b) is always an N-in/N-out processor, and thus moving
3134 it doesn't require any changes to the other processors.
3138 meter_change (); /* EMIT SIGNAL */
3140 bool const meter_visibly_changed = (_meter->display_to_user() != meter_was_visible_to_user);
3142 processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, meter_visibly_changed)); /* EMIT SIGNAL */
3146 Route::listen_position_changed ()
3149 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
3150 ProcessorState pstate (this);
3153 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3155 if (configure_processors_unlocked (0)) {
3157 configure_processors_unlocked (0); // it worked before we tried to add it ...
3163 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
3164 _session.set_dirty ();
3167 boost::shared_ptr<CapturingProcessor>
3168 Route::add_export_point()
3170 if (!_capturing_processor) {
3172 _capturing_processor.reset (new CapturingProcessor (_session));
3173 _capturing_processor->activate ();
3176 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3177 configure_processors (0);
3182 return _capturing_processor;
3186 Route::update_signal_latency ()
3188 framecnt_t l = _output->user_latency();
3190 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3191 if ((*i)->active ()) {
3192 l += (*i)->signal_latency ();
3196 DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: internal signal latency = %2\n", _name, l));
3198 if (_signal_latency != l) {
3199 _signal_latency = l;
3200 signal_latency_changed (); /* EMIT SIGNAL */
3203 return _signal_latency;
3207 Route::set_user_latency (framecnt_t nframes)
3209 _output->set_user_latency (nframes);
3210 _session.update_latency_compensation ();
3214 Route::set_latency_compensation (framecnt_t longest_session_latency)
3216 framecnt_t old = _initial_delay;
3218 if (_signal_latency < longest_session_latency) {
3219 _initial_delay = longest_session_latency - _signal_latency;
3224 DEBUG_TRACE (DEBUG::Latency, string_compose (
3225 "%1: compensate for maximum latency of %2,"
3226 "given own latency of %3, using initial delay of %4\n",
3227 name(), longest_session_latency, _signal_latency, _initial_delay));
3229 if (_initial_delay != old) {
3230 initial_delay_changed (); /* EMIT SIGNAL */
3233 if (_session.transport_stopped()) {
3234 _roll_delay = _initial_delay;
3238 Route::SoloControllable::SoloControllable (std::string name, boost::shared_ptr<Route> r)
3239 : AutomationControl (r->session(), Evoral::Parameter (SoloAutomation),
3240 boost::shared_ptr<AutomationList>(), name)
3243 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(SoloAutomation)));
3248 Route::SoloControllable::set_value (double val)
3250 bool bval = ((val >= 0.5f) ? true: false);
3252 boost::shared_ptr<RouteList> rl (new RouteList);
3254 boost::shared_ptr<Route> r = _route.lock ();
3261 if (Config->get_solo_control_is_listen_control()) {
3262 _session.set_listen (rl, bval);
3264 _session.set_solo (rl, bval);
3269 Route::SoloControllable::get_value () const
3271 boost::shared_ptr<Route> r = _route.lock ();
3276 if (Config->get_solo_control_is_listen_control()) {
3277 return r->listening_via_monitor() ? 1.0f : 0.0f;
3279 return r->self_soloed() ? 1.0f : 0.0f;
3283 Route::MuteControllable::MuteControllable (std::string name, boost::shared_ptr<Route> r)
3284 : AutomationControl (r->session(), Evoral::Parameter (MuteAutomation),
3285 boost::shared_ptr<AutomationList>(), name)
3288 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(MuteAutomation)));
3293 Route::MuteControllable::set_value (double val)
3295 bool bval = ((val >= 0.5f) ? true: false);
3297 boost::shared_ptr<RouteList> rl (new RouteList);
3299 boost::shared_ptr<Route> r = _route.lock ();
3305 _session.set_mute (rl, bval);
3309 Route::MuteControllable::get_value () const
3311 boost::shared_ptr<Route> r = _route.lock ();
3316 return r->muted() ? 1.0f : 0.0f;
3320 Route::set_block_size (pframes_t nframes)
3322 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3323 (*i)->set_block_size (nframes);
3326 _session.ensure_buffers (n_process_buffers ());
3330 Route::protect_automation ()
3332 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i)
3333 (*i)->protect_automation();
3336 /** @param declick 1 to set a pending declick fade-in,
3337 * -1 to set a pending declick fade-out
3340 Route::set_pending_declick (int declick)
3343 /* this call is not allowed to turn off a pending declick */
3345 _pending_declick = declick;
3348 _pending_declick = 0;
3352 /** Shift automation forwards from a particular place, thereby inserting time.
3353 * Adds undo commands for any shifts that are performed.
3355 * @param pos Position to start shifting from.
3356 * @param frames Amount to shift forwards by.
3360 Route::shift (framepos_t pos, framecnt_t frames)
3362 /* gain automation */
3364 boost::shared_ptr<AutomationControl> gc = _amp->gain_control();
3366 XMLNode &before = gc->alist()->get_state ();
3367 gc->alist()->shift (pos, frames);
3368 XMLNode &after = gc->alist()->get_state ();
3369 _session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
3372 /* pan automation */
3374 ControlSet::Controls& c (_pannable->controls());
3376 for (ControlSet::Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
3377 boost::shared_ptr<AutomationControl> pc = boost::dynamic_pointer_cast<AutomationControl> (ci->second);
3379 boost::shared_ptr<AutomationList> al = pc->alist();
3380 XMLNode& before = al->get_state ();
3381 al->shift (pos, frames);
3382 XMLNode& after = al->get_state ();
3383 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
3388 /* redirect automation */
3390 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3391 for (ProcessorList::iterator i = _processors.begin (); i != _processors.end (); ++i) {
3393 set<Evoral::Parameter> parameters = (*i)->what_can_be_automated();
3395 for (set<Evoral::Parameter>::const_iterator p = parameters.begin (); p != parameters.end (); ++p) {
3396 boost::shared_ptr<AutomationControl> ac = (*i)->automation_control (*p);
3398 boost::shared_ptr<AutomationList> al = ac->alist();
3399 XMLNode &before = al->get_state ();
3400 al->shift (pos, frames);
3401 XMLNode &after = al->get_state ();
3402 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
3411 Route::save_as_template (const string& path, const string& name)
3413 XMLNode& node (state (false));
3416 IO::set_name_in_state (*node.children().front(), name);
3418 tree.set_root (&node);
3419 return tree.write (path.c_str());
3424 Route::set_name (const string& str)
3430 name = Route::ensure_track_or_route_name (str, _session);
3431 SessionObject::set_name (name);
3433 ret = (_input->set_name(name) && _output->set_name(name));
3436 /* rename the main outs. Leave other IO processors
3437 * with whatever name they already have, because its
3438 * just fine as it is (it will not contain the route
3439 * name if its a port insert, port send or port return).
3443 if (_main_outs->set_name (name)) {
3444 /* XXX returning false here is stupid because
3445 we already changed the route name.
3455 /** Set the name of a route in an XML description.
3456 * @param node XML <Route> node to set the name in.
3457 * @param name New name.
3460 Route::set_name_in_state (XMLNode& node, string const & name)
3462 node.add_property (X_("name"), name);
3464 XMLNodeList children = node.children();
3465 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
3467 if ((*i)->name() == X_("IO")) {
3469 IO::set_name_in_state (**i, name);
3471 } else if ((*i)->name() == X_("Processor")) {
3473 XMLProperty* role = (*i)->property (X_("role"));
3474 if (role && role->value() == X_("Main")) {
3475 (*i)->add_property (X_("name"), name);
3478 } else if ((*i)->name() == X_("Diskstream")) {
3480 (*i)->add_property (X_("playlist"), string_compose ("%1.1", name).c_str());
3481 (*i)->add_property (X_("name"), name);
3487 boost::shared_ptr<Send>
3488 Route::internal_send_for (boost::shared_ptr<const Route> target) const
3490 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3492 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3493 boost::shared_ptr<InternalSend> send;
3495 if ((send = boost::dynamic_pointer_cast<InternalSend>(*i)) != 0) {
3496 if (send->target_route() == target) {
3502 return boost::shared_ptr<Send>();
3505 /** @param c Audio channel index.
3506 * @param yn true to invert phase, otherwise false.
3509 Route::set_phase_invert (uint32_t c, bool yn)
3511 if (_phase_invert[c] != yn) {
3512 _phase_invert[c] = yn;
3513 phase_invert_changed (); /* EMIT SIGNAL */
3514 _session.set_dirty ();
3519 Route::set_phase_invert (boost::dynamic_bitset<> p)
3521 if (_phase_invert != p) {
3523 phase_invert_changed (); /* EMIT SIGNAL */
3524 _session.set_dirty ();
3529 Route::phase_invert (uint32_t c) const
3531 return _phase_invert[c];
3534 boost::dynamic_bitset<>
3535 Route::phase_invert () const
3537 return _phase_invert;
3541 Route::set_denormal_protection (bool yn)
3543 if (_denormal_protection != yn) {
3544 _denormal_protection = yn;
3545 denormal_protection_changed (); /* EMIT SIGNAL */
3550 Route::denormal_protection () const
3552 return _denormal_protection;
3556 Route::set_active (bool yn, void* src)
3558 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_route_active()) {
3559 _route_group->foreach_route (boost::bind (&Route::set_active, _1, yn, _route_group));
3563 if (_active != yn) {
3565 _input->set_active (yn);
3566 _output->set_active (yn);
3567 active_changed (); // EMIT SIGNAL
3568 _session.set_dirty ();
3575 Glib::Threads::RWLock::ReaderLock rm (_processor_lock, Glib::Threads::TRY_LOCK);
3581 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3583 boost::shared_ptr<Send> s;
3584 boost::shared_ptr<Return> r;
3586 if ((s = boost::dynamic_pointer_cast<Send> (*i)) != 0) {
3587 s->meter()->meter();
3588 } else if ((r = boost::dynamic_pointer_cast<Return> (*i)) != 0) {
3589 r->meter()->meter ();
3594 boost::shared_ptr<Pannable>
3595 Route::pannable() const
3600 boost::shared_ptr<Panner>
3601 Route::panner() const
3604 return _main_outs->panner_shell()->panner();
3607 boost::shared_ptr<PannerShell>
3608 Route::panner_shell() const
3610 return _main_outs->panner_shell();
3613 boost::shared_ptr<AutomationControl>
3614 Route::gain_control() const
3616 return _amp->gain_control();
3619 boost::shared_ptr<AutomationControl>
3620 Route::get_control (const Evoral::Parameter& param)
3622 /* either we own the control or .... */
3624 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(control (param));
3628 /* maybe one of our processors does or ... */
3630 Glib::Threads::RWLock::ReaderLock rm (_processor_lock, Glib::Threads::TRY_LOCK);
3631 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3632 if ((c = boost::dynamic_pointer_cast<AutomationControl>((*i)->control (param))) != 0) {
3640 /* nobody does so we'll make a new one */
3642 c = boost::dynamic_pointer_cast<AutomationControl>(control_factory(param));
3649 boost::shared_ptr<Processor>
3650 Route::nth_plugin (uint32_t n)
3652 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3653 ProcessorList::iterator i;
3655 for (i = _processors.begin(); i != _processors.end(); ++i) {
3656 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
3663 return boost::shared_ptr<Processor> ();
3666 boost::shared_ptr<Processor>
3667 Route::nth_send (uint32_t n)
3669 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3670 ProcessorList::iterator i;
3672 for (i = _processors.begin(); i != _processors.end(); ++i) {
3673 if (boost::dynamic_pointer_cast<Send> (*i)) {
3680 return boost::shared_ptr<Processor> ();
3684 Route::has_io_processor_named (const string& name)
3686 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3687 ProcessorList::iterator i;
3689 for (i = _processors.begin(); i != _processors.end(); ++i) {
3690 if (boost::dynamic_pointer_cast<Send> (*i) ||
3691 boost::dynamic_pointer_cast<PortInsert> (*i)) {
3692 if ((*i)->name() == name) {
3701 MuteMaster::MutePoint
3702 Route::mute_points () const
3704 return _mute_master->mute_points ();
3708 Route::set_processor_positions ()
3710 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3712 bool had_amp = false;
3713 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3714 (*i)->set_pre_fader (!had_amp);
3715 if (boost::dynamic_pointer_cast<Amp> (*i)) {
3721 /** Called when there is a proposed change to the input port count */
3723 Route::input_port_count_changing (ChanCount to)
3725 list<pair<ChanCount, ChanCount> > c = try_configure_processors (to, 0);
3727 /* The processors cannot be configured with the new input arrangement, so
3733 /* The change is ok */
3738 Route::unknown_processors () const
3742 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3743 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3744 if (boost::dynamic_pointer_cast<UnknownProcessor const> (*i)) {
3745 p.push_back ((*i)->name ());
3754 Route::update_port_latencies (PortSet& from, PortSet& to, bool playback, framecnt_t our_latency) const
3756 /* we assume that all our input ports feed all our output ports. its not
3757 universally true, but the alternative is way too corner-case to worry about.
3760 jack_latency_range_t all_connections;
3763 all_connections.min = 0;
3764 all_connections.max = 0;
3766 all_connections.min = ~((jack_nframes_t) 0);
3767 all_connections.max = 0;
3769 /* iterate over all "from" ports and determine the latency range for all of their
3770 connections to the "outside" (outside of this Route).
3773 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
3775 jack_latency_range_t range;
3777 p->get_connected_latency_range (range, playback);
3779 all_connections.min = min (all_connections.min, range.min);
3780 all_connections.max = max (all_connections.max, range.max);
3784 /* set the "from" port latencies to the max/min range of all their connections */
3786 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
3787 p->set_private_latency_range (all_connections, playback);
3790 /* set the ports "in the direction of the flow" to the same value as above plus our own signal latency */
3792 all_connections.min += our_latency;
3793 all_connections.max += our_latency;
3795 for (PortSet::iterator p = to.begin(); p != to.end(); ++p) {
3796 p->set_private_latency_range (all_connections, playback);
3799 return all_connections.max;
3803 Route::set_private_port_latencies (bool playback) const
3805 framecnt_t own_latency = 0;
3807 /* Processor list not protected by lock: MUST BE CALLED FROM PROCESS THREAD
3808 OR LATENCY CALLBACK.
3810 This is called (early) from the latency callback. It computes the REAL
3811 latency associated with each port and stores the result as the "private"
3812 latency of the port. A later call to Route::set_public_port_latencies()
3813 sets all ports to the same value to reflect the fact that we do latency
3814 compensation and so all signals are delayed by the same amount as they
3815 flow through ardour.
3818 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3819 if ((*i)->active ()) {
3820 own_latency += (*i)->signal_latency ();
3825 /* playback: propagate latency from "outside the route" to outputs to inputs */
3826 return update_port_latencies (_output->ports (), _input->ports (), true, own_latency);
3828 /* capture: propagate latency from "outside the route" to inputs to outputs */
3829 return update_port_latencies (_input->ports (), _output->ports (), false, own_latency);
3834 Route::set_public_port_latencies (framecnt_t value, bool playback) const
3836 /* this is called to set the JACK-visible port latencies, which take
3837 latency compensation into account.
3840 jack_latency_range_t range;
3846 const PortSet& ports (_input->ports());
3847 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
3848 p->set_public_latency_range (range, playback);
3853 const PortSet& ports (_output->ports());
3854 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
3855 p->set_public_latency_range (range, playback);
3860 /** Put the invisible processors in the right place in _processors.
3861 * Must be called with a writer lock on _processor_lock held.
3864 Route::setup_invisible_processors ()
3867 Glib::Threads::RWLock::WriterLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
3868 assert (!lm.locked ());
3872 /* too early to be doing this stuff */
3876 /* we'll build this new list here and then use it */
3878 ProcessorList new_processors;
3880 /* find visible processors */
3882 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3883 if ((*i)->display_to_user ()) {
3884 new_processors.push_back (*i);
3890 ProcessorList::iterator amp = new_processors.begin ();
3891 while (amp != new_processors.end() && boost::dynamic_pointer_cast<Amp> (*amp) == 0) {
3895 assert (amp != _processors.end ());
3897 /* and the processor after the amp */
3899 ProcessorList::iterator after_amp = amp;
3905 switch (_meter_point) {
3907 assert (!_meter->display_to_user ());
3908 new_processors.push_front (_meter);
3911 assert (!_meter->display_to_user ());
3912 new_processors.insert (amp, _meter);
3914 case MeterPostFader:
3915 /* do nothing here */
3918 /* do nothing here */
3921 /* the meter is visible, so we don't touch it here */
3928 assert (_main_outs);
3929 assert (!_main_outs->display_to_user ());
3930 new_processors.push_back (_main_outs);
3932 /* iterator for the main outs */
3934 ProcessorList::iterator main = new_processors.end();
3937 /* OUTPUT METERING */
3939 if (_meter && (_meter_point == MeterOutput || _meter_point == MeterPostFader)) {
3940 assert (!_meter->display_to_user ());
3942 /* add the processor just before or just after the main outs */
3944 ProcessorList::iterator meter_point = main;
3946 if (_meter_point == MeterOutput) {
3949 new_processors.insert (meter_point, _meter);
3954 if (_monitor_send && !is_monitor ()) {
3955 assert (!_monitor_send->display_to_user ());
3956 if (Config->get_solo_control_is_listen_control()) {
3957 switch (Config->get_listen_position ()) {
3958 case PreFaderListen:
3959 switch (Config->get_pfl_position ()) {
3960 case PFLFromBeforeProcessors:
3961 new_processors.push_front (_monitor_send);
3963 case PFLFromAfterProcessors:
3964 new_processors.insert (amp, _monitor_send);
3967 _monitor_send->set_can_pan (false);
3969 case AfterFaderListen:
3970 switch (Config->get_afl_position ()) {
3971 case AFLFromBeforeProcessors:
3972 new_processors.insert (after_amp, _monitor_send);
3974 case AFLFromAfterProcessors:
3975 new_processors.insert (new_processors.end(), _monitor_send);
3978 _monitor_send->set_can_pan (true);
3982 new_processors.insert (new_processors.end(), _monitor_send);
3983 _monitor_send->set_can_pan (false);
3987 /* MONITOR CONTROL */
3989 if (_monitor_control && is_monitor ()) {
3990 assert (!_monitor_control->display_to_user ());
3991 new_processors.push_front (_monitor_control);
3994 /* INTERNAL RETURN */
3996 /* doing this here means that any monitor control will come just after
4001 assert (!_intreturn->display_to_user ());
4002 new_processors.push_front (_intreturn);
4005 /* EXPORT PROCESSOR */
4007 if (_capturing_processor) {
4008 assert (!_capturing_processor->display_to_user ());
4009 new_processors.push_front (_capturing_processor);
4012 _processors = new_processors;
4014 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: setup_invisible_processors\n", _name));
4015 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4016 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1\n", (*i)->name ()));
4023 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
4024 Glib::Threads::RWLock::ReaderLock lp (_processor_lock);
4028 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4029 boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery>(*i);
4036 /** If the meter point is `Custom', make a note of where the meter is.
4037 * This is so that if the meter point is subsequently set to something else,
4038 * and then back to custom, we can put the meter back where it was last time
4039 * custom was enabled.
4041 * Must be called with the _processor_lock held.
4044 Route::maybe_note_meter_position ()
4046 if (_meter_point != MeterCustom) {
4050 _custom_meter_position_noted = true;
4051 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4052 if (boost::dynamic_pointer_cast<PeakMeter> (*i)) {
4053 ProcessorList::iterator j = i;
4055 if (j != _processors.end ()) {
4056 _processor_after_last_custom_meter = *j;
4057 _last_custom_meter_was_at_end = false;
4059 _last_custom_meter_was_at_end = true;
4065 boost::shared_ptr<Processor>
4066 Route::processor_by_id (PBD::ID id) const
4068 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4069 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4070 if ((*i)->id() == id) {
4075 return boost::shared_ptr<Processor> ();
4078 /** @return the monitoring state, or in other words what data we are pushing
4079 * into the route (data from the inputs, data from disk or silence)
4082 Route::monitoring_state () const
4084 return MonitoringInput;
4087 /** @return what we should be metering; either the data coming from the input
4088 * IO or the data that is flowing through the route.
4091 Route::metering_state () const
4093 return MeteringRoute;
4097 Route::has_external_redirects () const
4099 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4101 /* ignore inactive processors and obviously ignore the main
4102 * outs since everything has them and we don't care.
4105 if ((*i)->active() && (*i) != _main_outs && (*i)->does_routing()) {
4113 boost::shared_ptr<Processor>
4114 Route::the_instrument () const
4116 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
4117 return the_instrument_unlocked ();
4120 boost::shared_ptr<Processor>
4121 Route::the_instrument_unlocked () const
4123 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4124 if (boost::dynamic_pointer_cast<PluginInsert>(*i)) {
4125 if ((*i)->input_streams().n_midi() > 0 &&
4126 (*i)->output_streams().n_audio() > 0) {
4131 return boost::shared_ptr<Processor>();
4137 Route::non_realtime_locate (framepos_t pos)
4140 _pannable->transport_located (pos);
4144 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
4146 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4147 (*i)->transport_located (pos);