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) {
207 error << _("Remote Control ID's start at one, not zero") << endmsg;
211 /* force IDs for master/monitor busses and prevent
212 any other route from accidentally getting these IDs
213 (i.e. legacy sessions)
216 if (is_master() && id != MasterBusRemoteControlID) {
217 id = MasterBusRemoteControlID;
220 if (is_monitor() && id != MonitorBusRemoteControlID) {
221 id = MonitorBusRemoteControlID;
224 /* don't allow it to collide */
226 if (!is_master () && !is_monitor() &&
227 (id == MasterBusRemoteControlID || id == MonitorBusRemoteControlID)) {
228 id += MonitorBusRemoteControlID;
231 if (id != remote_control_id()) {
232 _remote_control_id = id;
233 RemoteControlIDChanged ();
235 if (notify_class_listeners) {
236 RemoteControlIDChange ();
242 Route::remote_control_id() const
245 return MasterBusRemoteControlID;
249 return MonitorBusRemoteControlID;
252 return _remote_control_id;
256 Route::has_order_key (RouteSortOrderKey key) const
258 return (order_keys.find (key) != order_keys.end());
262 Route::order_key (RouteSortOrderKey key) const
264 OrderKeys::const_iterator i = order_keys.find (key);
266 if (i == order_keys.end()) {
274 Route::sync_order_keys (RouteSortOrderKey base)
276 /* this is called after changes to 1 or more route order keys have been
277 * made, and we want to sync up.
280 OrderKeys::iterator i = order_keys.find (base);
282 if (i == order_keys.end()) {
286 for (OrderKeys::iterator k = order_keys.begin(); k != order_keys.end(); ++k) {
288 if (k->first != base) {
289 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 set key for %2 to %3 from %4\n",
291 enum_2_string (k->first),
293 enum_2_string (base)));
295 k->second = i->second;
301 Route::set_remote_control_id_from_order_key (RouteSortOrderKey key, uint32_t rid)
303 if (is_master() || is_monitor() || is_hidden()) {
304 /* hard-coded remote IDs, or no remote ID */
308 if (_remote_control_id != rid) {
309 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1: set edit-based RID to %2\n", name(), rid));
310 _remote_control_id = rid;
311 RemoteControlIDChanged (); /* EMIT SIGNAL (per-route) */
314 /* don't emit the class-level RID signal RemoteControlIDChange here,
315 leave that to the entity that changed the order key, so that we
316 don't get lots of emissions for no good reasons (e.g. when changing
317 all route order keys).
319 See Session::sync_remote_id_from_order_keys() for the (primary|only)
320 spot where that is emitted.
325 Route::set_order_key (RouteSortOrderKey key, uint32_t n)
327 OrderKeys::iterator i = order_keys.find (key);
329 if (i != order_keys.end() && i->second == n) {
335 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 order key %2 set to %3\n",
336 name(), enum_2_string (key), order_key (key)));
338 _session.set_dirty ();
342 Route::ensure_track_or_route_name(string name, Session &session)
344 string newname = name;
346 while (!session.io_name_is_legal (newname)) {
347 newname = bump_name_once (newname, '.');
355 Route::inc_gain (gain_t fraction, void *src)
357 _amp->inc_gain (fraction, src);
361 Route::set_gain (gain_t val, void *src)
363 if (src != 0 && _route_group && src != _route_group && _route_group->is_active() && _route_group->is_gain()) {
365 if (_route_group->is_relative()) {
367 gain_t usable_gain = _amp->gain();
368 if (usable_gain < 0.000001f) {
369 usable_gain = 0.000001f;
373 if (delta < 0.000001f) {
377 delta -= usable_gain;
382 gain_t factor = delta / usable_gain;
385 factor = _route_group->get_max_factor(factor);
386 if (factor == 0.0f) {
387 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
391 factor = _route_group->get_min_factor(factor);
392 if (factor == 0.0f) {
393 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
398 _route_group->foreach_route (boost::bind (&Route::inc_gain, _1, factor, _route_group));
402 _route_group->foreach_route (boost::bind (&Route::set_gain, _1, val, _route_group));
408 if (val == _amp->gain()) {
412 _amp->set_gain (val, src);
416 Route::maybe_declick (BufferSet&, framecnt_t, int)
418 /* this is the "bus" implementation and they never declick.
423 /** Process this route for one (sub) cycle (process thread)
425 * @param bufs Scratch buffers to use for the signal path
426 * @param start_frame Initial transport frame
427 * @param end_frame Final transport frame
428 * @param nframes Number of frames to output (to ports)
430 * Note that (end_frame - start_frame) may not be equal to nframes when the
431 * transport speed isn't 1.0 (eg varispeed).
434 Route::process_output_buffers (BufferSet& bufs,
435 framepos_t start_frame, framepos_t end_frame, pframes_t nframes,
436 int declick, bool gain_automation_ok)
438 bufs.set_is_silent (false);
440 /* figure out if we're going to use gain automation */
441 if (gain_automation_ok) {
442 _amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
443 _amp->setup_gain_automation (start_frame, end_frame, nframes);
445 _amp->apply_gain_automation (false);
448 /* Tell main outs what to do about monitoring. We do this so that
449 on a transition between monitoring states we get a de-clicking gain
450 change in the _main_outs delivery.
452 _main_outs->no_outs_cuz_we_no_monitor (monitoring_state () == MonitoringSilence);
455 /* -------------------------------------------------------------------------------------------
456 GLOBAL DECLICK (for transport changes etc.)
457 ----------------------------------------------------------------------------------------- */
459 maybe_declick (bufs, nframes, declick);
460 _pending_declick = 0;
462 /* -------------------------------------------------------------------------------------------
463 DENORMAL CONTROL/PHASE INVERT
464 ----------------------------------------------------------------------------------------- */
466 if (_phase_invert.any ()) {
470 if (_denormal_protection || Config->get_denormal_protection()) {
472 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
473 Sample* const sp = i->data();
475 if (_phase_invert[chn]) {
476 for (pframes_t nx = 0; nx < nframes; ++nx) {
481 for (pframes_t nx = 0; nx < nframes; ++nx) {
489 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
490 Sample* const sp = i->data();
492 if (_phase_invert[chn]) {
493 for (pframes_t nx = 0; nx < nframes; ++nx) {
502 if (_denormal_protection || Config->get_denormal_protection()) {
504 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
505 Sample* const sp = i->data();
506 for (pframes_t nx = 0; nx < nframes; ++nx) {
514 /* -------------------------------------------------------------------------------------------
516 ----------------------------------------------------------------------------------------- */
518 /* set this to be true if the meter will already have been ::run() earlier */
519 bool const meter_already_run = metering_state() == MeteringInput;
521 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
523 if (meter_already_run && boost::dynamic_pointer_cast<PeakMeter> (*i)) {
524 /* don't ::run() the meter, otherwise it will have its previous peak corrupted */
529 /* if it has any inputs, make sure they match */
530 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i) == 0 && (*i)->input_streams() != ChanCount::ZERO) {
531 if (bufs.count() != (*i)->input_streams()) {
533 DEBUG::Processors, string_compose (
534 "%1 bufs = %2 input for %3 = %4\n",
535 _name, bufs.count(), (*i)->name(), (*i)->input_streams()
543 /* should we NOT run plugins here if the route is inactive?
544 do we catch route != active somewhere higher?
547 (*i)->run (bufs, start_frame, end_frame, nframes, *i != _processors.back());
548 bufs.set_count ((*i)->output_streams());
553 Route::n_process_buffers ()
555 return max (_input->n_ports(), processor_max_streams);
559 Route::passthru (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
561 BufferSet& bufs = _session.get_scratch_buffers (n_process_buffers());
565 assert (bufs.available() >= input_streams());
567 if (_input->n_ports() == ChanCount::ZERO) {
568 silence_unlocked (nframes);
571 bufs.set_count (input_streams());
573 if (is_monitor() && _session.listening() && !_session.is_auditioning()) {
575 /* control/monitor bus ignores input ports when something is
576 feeding the listen "stream". data will "arrive" into the
577 route from the intreturn processor element.
579 bufs.silence (nframes, 0);
583 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
585 BufferSet::iterator o = bufs.begin(*t);
586 PortSet& ports (_input->ports());
588 for (PortSet::iterator i = ports.begin(*t); i != ports.end(*t); ++i, ++o) {
589 o->read_from (i->get_buffer(nframes), nframes);
594 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
595 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, true);
599 Route::passthru_silence (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
601 BufferSet& bufs (_session.get_silent_buffers (n_process_buffers()));
603 bufs.set_count (_input->n_ports());
604 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
605 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, false);
609 Route::set_listen (bool yn, void* src)
615 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
616 _route_group->foreach_route (boost::bind (&Route::set_listen, _1, yn, _route_group));
621 if (yn != _monitor_send->active()) {
623 _monitor_send->activate ();
624 _mute_master->set_soloed (true);
626 _monitor_send->deactivate ();
627 _mute_master->set_soloed (false);
630 listen_changed (src); /* EMIT SIGNAL */
636 Route::listening_via_monitor () const
639 return _monitor_send->active ();
646 Route::set_solo_safe (bool yn, void *src)
648 if (_solo_safe != yn) {
650 solo_safe_changed (src);
655 Route::solo_safe() const
661 Route::set_solo (bool yn, void *src)
667 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
668 _route_group->foreach_route (boost::bind (&Route::set_solo, _1, yn, _route_group));
672 if (self_soloed() != yn) {
674 set_mute_master_solo ();
675 solo_changed (true, src); /* EMIT SIGNAL */
676 _solo_control->Changed (); /* EMIT SIGNAL */
681 Route::set_self_solo (bool yn)
687 Route::mod_solo_by_others_upstream (int32_t delta)
693 uint32_t old_sbu = _soloed_by_others_upstream;
696 if (_soloed_by_others_upstream >= (uint32_t) abs (delta)) {
697 _soloed_by_others_upstream += delta;
699 _soloed_by_others_upstream = 0;
702 _soloed_by_others_upstream += delta;
705 DEBUG_TRACE (DEBUG::Solo, string_compose (
706 "%1 SbU delta %2 = %3 old = %4 sbd %5 ss %6 exclusive %7\n",
707 name(), delta, _soloed_by_others_upstream, old_sbu,
708 _soloed_by_others_downstream, _self_solo, Config->get_exclusive_solo()));
710 /* push the inverse solo change to everything that feeds us.
712 This is important for solo-within-group. When we solo 1 track out of N that
713 feed a bus, that track will cause mod_solo_by_upstream (+1) to be called
714 on the bus. The bus then needs to call mod_solo_by_downstream (-1) on all
715 tracks that feed it. This will silence them if they were audible because
716 of a bus solo, but the newly soloed track will still be audible (because
719 but .. do this only when we are being told to solo-by-upstream (i.e delta = +1),
723 if ((_self_solo || _soloed_by_others_downstream) &&
724 ((old_sbu == 0 && _soloed_by_others_upstream > 0) ||
725 (old_sbu > 0 && _soloed_by_others_upstream == 0))) {
727 if (delta > 0 || !Config->get_exclusive_solo()) {
728 DEBUG_TRACE (DEBUG::Solo, "\t ... INVERT push\n");
729 for (FedBy::iterator i = _fed_by.begin(); i != _fed_by.end(); ++i) {
730 boost::shared_ptr<Route> sr = i->r.lock();
732 sr->mod_solo_by_others_downstream (-delta);
738 set_mute_master_solo ();
739 solo_changed (false, this);
743 Route::mod_solo_by_others_downstream (int32_t delta)
750 if (_soloed_by_others_downstream >= (uint32_t) abs (delta)) {
751 _soloed_by_others_downstream += delta;
753 _soloed_by_others_downstream = 0;
756 _soloed_by_others_downstream += delta;
759 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 SbD delta %2 = %3\n", name(), delta, _soloed_by_others_downstream));
761 set_mute_master_solo ();
762 solo_changed (false, this);
766 Route::set_mute_master_solo ()
768 _mute_master->set_soloed (self_soloed() || soloed_by_others_downstream() || soloed_by_others_upstream());
772 Route::set_solo_isolated (bool yn, void *src)
774 if (is_master() || is_monitor() || is_hidden()) {
778 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
779 _route_group->foreach_route (boost::bind (&Route::set_solo_isolated, _1, yn, _route_group));
783 /* forward propagate solo-isolate status to everything fed by this route, but not those via sends only */
785 boost::shared_ptr<RouteList> routes = _session.get_routes ();
786 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
788 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_hidden()) {
793 bool does_feed = direct_feeds_according_to_graph (*i, &sends_only); // we will recurse anyway, so don't use ::feeds()
795 if (does_feed && !sends_only) {
796 (*i)->set_solo_isolated (yn, (*i)->route_group());
800 /* XXX should we back-propagate as well? (April 2010: myself and chris goddard think not) */
802 bool changed = false;
805 if (_solo_isolated == 0) {
806 _mute_master->set_solo_ignore (true);
811 if (_solo_isolated > 0) {
813 if (_solo_isolated == 0) {
814 _mute_master->set_solo_ignore (false);
821 solo_isolated_changed (src);
826 Route::solo_isolated () const
828 return _solo_isolated > 0;
832 Route::set_mute_points (MuteMaster::MutePoint mp)
834 _mute_master->set_mute_points (mp);
835 mute_points_changed (); /* EMIT SIGNAL */
837 if (_mute_master->muted_by_self()) {
838 mute_changed (this); /* EMIT SIGNAL */
839 _mute_control->Changed (); /* EMIT SIGNAL */
844 Route::set_mute (bool yn, void *src)
846 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_mute()) {
847 _route_group->foreach_route (boost::bind (&Route::set_mute, _1, yn, _route_group));
852 _mute_master->set_muted_by_self (yn);
853 /* allow any derived classes to respond to the mute change
854 before anybody else knows about it.
857 /* tell everyone else */
858 mute_changed (src); /* EMIT SIGNAL */
859 _mute_control->Changed (); /* EMIT SIGNAL */
864 Route::muted () const
866 return _mute_master->muted_by_self();
871 dump_processors(const string& name, const list<boost::shared_ptr<Processor> >& procs)
873 cerr << name << " {" << endl;
874 for (list<boost::shared_ptr<Processor> >::const_iterator p = procs.begin();
875 p != procs.end(); ++p) {
876 cerr << "\t" << (*p)->name() << " ID = " << (*p)->id() << " @ " << (*p) << endl;
882 /** Supposing that we want to insert a Processor at a given Placement, return
883 * the processor to add the new one before (or 0 to add at the end).
885 boost::shared_ptr<Processor>
886 Route::before_processor_for_placement (Placement p)
888 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
890 ProcessorList::iterator loc;
893 /* generic pre-fader: insert immediately before the amp */
894 loc = find (_processors.begin(), _processors.end(), _amp);
896 /* generic post-fader: insert right before the main outs */
897 loc = find (_processors.begin(), _processors.end(), _main_outs);
900 return loc != _processors.end() ? *loc : boost::shared_ptr<Processor> ();
903 /** Supposing that we want to insert a Processor at a given index, return
904 * the processor to add the new one before (or 0 to add at the end).
906 boost::shared_ptr<Processor>
907 Route::before_processor_for_index (int index)
910 return boost::shared_ptr<Processor> ();
913 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
915 ProcessorList::iterator i = _processors.begin ();
917 while (i != _processors.end() && j < index) {
918 if ((*i)->display_to_user()) {
925 return (i != _processors.end() ? *i : boost::shared_ptr<Processor> ());
928 /** Add a processor either pre- or post-fader
929 * @return 0 on success, non-0 on failure.
932 Route::add_processor (boost::shared_ptr<Processor> processor, Placement placement, ProcessorStreams* err, bool activation_allowed)
934 return add_processor (processor, before_processor_for_placement (placement), err, activation_allowed);
938 /** Add a processor to a route such that it ends up with a given index into the visible processors.
939 * @param index Index to add the processor at, or -1 to add at the end of the list.
940 * @return 0 on success, non-0 on failure.
943 Route::add_processor_by_index (boost::shared_ptr<Processor> processor, int index, ProcessorStreams* err, bool activation_allowed)
945 return add_processor (processor, before_processor_for_index (index), err, activation_allowed);
948 /** Add a processor to the route.
949 * @param before An existing processor in the list, or 0; the new processor will be inserted immediately before it (or at the end).
950 * @return 0 on success, non-0 on failure.
953 Route::add_processor (boost::shared_ptr<Processor> processor, boost::shared_ptr<Processor> before, ProcessorStreams* err, bool activation_allowed)
955 assert (processor != _meter);
956 assert (processor != _main_outs);
958 DEBUG_TRACE (DEBUG::Processors, string_compose (
959 "%1 adding processor %2\n", name(), processor->name()));
961 if (!_session.engine().connected() || !processor) {
966 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
967 ProcessorState pstate (this);
969 boost::shared_ptr<PluginInsert> pi;
970 boost::shared_ptr<PortInsert> porti;
972 if (processor == _amp) {
973 /* Ensure that only one amp is in the list at any time */
974 ProcessorList::iterator check = find (_processors.begin(), _processors.end(), processor);
975 if (check != _processors.end()) {
976 if (before == _amp) {
977 /* Already in position; all is well */
980 _processors.erase (check);
985 assert (find (_processors.begin(), _processors.end(), processor) == _processors.end ());
987 ProcessorList::iterator loc;
989 /* inserting before a processor; find it */
990 loc = find (_processors.begin(), _processors.end(), before);
991 if (loc == _processors.end ()) {
996 /* inserting at end */
997 loc = _processors.end ();
1000 _processors.insert (loc, processor);
1002 // Set up processor list channels. This will set processor->[input|output]_streams(),
1003 // configure redirect ports properly, etc.
1006 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1008 if (configure_processors_unlocked (err)) {
1010 configure_processors_unlocked (0); // it worked before we tried to add it ...
1015 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(processor)) != 0) {
1017 if (pi->has_no_inputs ()) {
1018 /* generator plugin */
1019 _have_internal_generator = true;
1024 if (activation_allowed && !_session.get_disable_all_loaded_plugins()) {
1025 processor->activate ();
1028 processor->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1030 _output->set_user_latency (0);
1033 reset_instrument_info ();
1034 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1035 set_processor_positions ();
1041 Route::add_processor_from_xml_2X (const XMLNode& node, int version)
1043 const XMLProperty *prop;
1046 boost::shared_ptr<Processor> processor;
1048 /* bit of a hack: get the `placement' property from the <Redirect> tag here
1049 so that we can add the processor in the right place (pre/post-fader)
1052 XMLNodeList const & children = node.children ();
1053 XMLNodeList::const_iterator i = children.begin ();
1055 while (i != children.end() && (*i)->name() != X_("Redirect")) {
1059 Placement placement = PreFader;
1061 if (i != children.end()) {
1062 if ((prop = (*i)->property (X_("placement"))) != 0) {
1063 placement = Placement (string_2_enum (prop->value(), placement));
1067 if (node.name() == "Insert") {
1069 if ((prop = node.property ("type")) != 0) {
1071 if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
1072 prop->value() == "lv2" ||
1073 prop->value() == "windows-vst" ||
1074 prop->value() == "lxvst" ||
1075 prop->value() == "audiounit") {
1077 processor.reset (new PluginInsert (_session));
1081 processor.reset (new PortInsert (_session, _pannable, _mute_master));
1086 } else if (node.name() == "Send") {
1088 processor.reset (new Send (_session, _pannable, _mute_master));
1092 error << string_compose(_("unknown Processor type \"%1\"; ignored"), node.name()) << endmsg;
1096 if (processor->set_state (node, version)) {
1100 return (add_processor (processor, placement) == 0);
1103 catch (failed_constructor &err) {
1104 warning << _("processor could not be created. Ignored.") << endmsg;
1110 Route::add_processors (const ProcessorList& others, boost::shared_ptr<Processor> before, ProcessorStreams* err)
1112 /* NOTE: this is intended to be used ONLY when copying
1113 processors from another Route. Hence the subtle
1114 differences between this and ::add_processor()
1117 ProcessorList::iterator loc;
1120 loc = find(_processors.begin(), _processors.end(), before);
1122 /* nothing specified - at end */
1123 loc = _processors.end ();
1126 if (!_session.engine().connected()) {
1130 if (others.empty()) {
1135 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1136 ProcessorState pstate (this);
1138 for (ProcessorList::const_iterator i = others.begin(); i != others.end(); ++i) {
1144 boost::shared_ptr<PluginInsert> pi;
1146 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1150 _processors.insert (loc, *i);
1152 if ((*i)->active()) {
1157 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1158 if (configure_processors_unlocked (err)) {
1160 configure_processors_unlocked (0); // it worked before we tried to add it ...
1165 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1168 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
1169 boost::shared_ptr<PluginInsert> pi;
1171 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1172 if (pi->has_no_inputs ()) {
1173 _have_internal_generator = true;
1179 _output->set_user_latency (0);
1182 reset_instrument_info ();
1183 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1184 set_processor_positions ();
1190 Route::placement_range(Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end)
1192 if (p == PreFader) {
1193 start = _processors.begin();
1194 end = find(_processors.begin(), _processors.end(), _amp);
1196 start = find(_processors.begin(), _processors.end(), _amp);
1198 end = _processors.end();
1202 /** Turn off all processors with a given placement
1203 * @param p Placement of processors to disable
1206 Route::disable_processors (Placement p)
1208 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1210 ProcessorList::iterator start, end;
1211 placement_range(p, start, end);
1213 for (ProcessorList::iterator i = start; i != end; ++i) {
1214 (*i)->deactivate ();
1217 _session.set_dirty ();
1220 /** Turn off all redirects
1223 Route::disable_processors ()
1225 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1227 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1228 (*i)->deactivate ();
1231 _session.set_dirty ();
1234 /** Turn off all redirects with a given placement
1235 * @param p Placement of redirects to disable
1238 Route::disable_plugins (Placement p)
1240 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1242 ProcessorList::iterator start, end;
1243 placement_range(p, start, end);
1245 for (ProcessorList::iterator i = start; i != end; ++i) {
1246 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1247 (*i)->deactivate ();
1251 _session.set_dirty ();
1254 /** Turn off all plugins
1257 Route::disable_plugins ()
1259 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1261 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1262 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1263 (*i)->deactivate ();
1267 _session.set_dirty ();
1272 Route::ab_plugins (bool forward)
1274 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1278 /* forward = turn off all active redirects, and mark them so that the next time
1279 we go the other way, we will revert them
1282 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1283 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1287 if ((*i)->active()) {
1288 (*i)->deactivate ();
1289 (*i)->set_next_ab_is_active (true);
1291 (*i)->set_next_ab_is_active (false);
1297 /* backward = if the redirect was marked to go active on the next ab, do so */
1299 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1301 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1305 if ((*i)->get_next_ab_is_active()) {
1308 (*i)->deactivate ();
1313 _session.set_dirty ();
1317 /** Remove processors with a given placement.
1318 * @param p Placement of processors to remove.
1321 Route::clear_processors (Placement p)
1323 if (!_session.engine().connected()) {
1327 bool already_deleting = _session.deletion_in_progress();
1328 if (!already_deleting) {
1329 _session.set_deletion_in_progress();
1333 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1334 ProcessorList new_list;
1335 ProcessorStreams err;
1336 bool seen_amp = false;
1338 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1344 if ((*i) == _amp || (*i) == _meter || (*i) == _main_outs) {
1346 /* you can't remove these */
1348 new_list.push_back (*i);
1355 new_list.push_back (*i);
1358 (*i)->drop_references ();
1366 (*i)->drop_references ();
1369 new_list.push_back (*i);
1376 _processors = new_list;
1379 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1380 configure_processors_unlocked (&err); // this can't fail
1384 processor_max_streams.reset();
1385 _have_internal_generator = false;
1386 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1387 set_processor_positions ();
1389 reset_instrument_info ();
1391 if (!already_deleting) {
1392 _session.clear_deletion_in_progress();
1397 Route::remove_processor (boost::shared_ptr<Processor> processor, ProcessorStreams* err, bool need_process_lock)
1399 // TODO once the export point can be configured properly, do something smarter here
1400 if (processor == _capturing_processor) {
1401 _capturing_processor.reset();
1404 /* these can never be removed */
1406 if (processor == _amp || processor == _meter || processor == _main_outs) {
1410 if (!_session.engine().connected()) {
1414 processor_max_streams.reset();
1417 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1418 ProcessorState pstate (this);
1420 ProcessorList::iterator i;
1421 bool removed = false;
1423 for (i = _processors.begin(); i != _processors.end(); ) {
1424 if (*i == processor) {
1426 /* move along, see failure case for configure_processors()
1427 where we may need to reconfigure the processor.
1430 /* stop redirects that send signals to JACK ports
1431 from causing noise as a result of no longer being
1435 boost::shared_ptr<IOProcessor> iop;
1437 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (*i)) != 0) {
1441 i = _processors.erase (i);
1449 _output->set_user_latency (0);
1457 if (need_process_lock) {
1458 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1460 if (configure_processors_unlocked (err)) {
1462 /* we know this will work, because it worked before :) */
1463 configure_processors_unlocked (0);
1467 if (configure_processors_unlocked (err)) {
1469 /* we know this will work, because it worked before :) */
1470 configure_processors_unlocked (0);
1475 _have_internal_generator = false;
1477 for (i = _processors.begin(); i != _processors.end(); ++i) {
1478 boost::shared_ptr<PluginInsert> pi;
1480 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1481 if (pi->has_no_inputs ()) {
1482 _have_internal_generator = true;
1489 reset_instrument_info ();
1490 processor->drop_references ();
1491 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1492 set_processor_positions ();
1498 Route::remove_processors (const ProcessorList& to_be_deleted, ProcessorStreams* err)
1500 ProcessorList deleted;
1502 if (!_session.engine().connected()) {
1506 processor_max_streams.reset();
1509 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1510 ProcessorState pstate (this);
1512 ProcessorList::iterator i;
1513 boost::shared_ptr<Processor> processor;
1515 for (i = _processors.begin(); i != _processors.end(); ) {
1519 /* these can never be removed */
1521 if (processor == _amp || processor == _meter || processor == _main_outs) {
1526 /* see if its in the list of processors to delete */
1528 if (find (to_be_deleted.begin(), to_be_deleted.end(), processor) == to_be_deleted.end()) {
1533 /* stop IOProcessors that send to JACK ports
1534 from causing noise as a result of no longer being
1538 boost::shared_ptr<IOProcessor> iop;
1540 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (processor)) != 0) {
1544 deleted.push_back (processor);
1545 i = _processors.erase (i);
1548 if (deleted.empty()) {
1549 /* none of those in the requested list were found */
1553 _output->set_user_latency (0);
1556 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1558 if (configure_processors_unlocked (err)) {
1560 /* we know this will work, because it worked before :) */
1561 configure_processors_unlocked (0);
1566 _have_internal_generator = false;
1568 for (i = _processors.begin(); i != _processors.end(); ++i) {
1569 boost::shared_ptr<PluginInsert> pi;
1571 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1572 if (pi->has_no_inputs ()) {
1573 _have_internal_generator = true;
1580 /* now try to do what we need to so that those that were removed will be deleted */
1582 for (ProcessorList::iterator i = deleted.begin(); i != deleted.end(); ++i) {
1583 (*i)->drop_references ();
1586 reset_instrument_info ();
1587 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1588 set_processor_positions ();
1594 Route::reset_instrument_info ()
1596 boost::shared_ptr<Processor> instr = the_instrument();
1598 _instrument_info.set_internal_instrument (instr);
1602 /** Caller must hold process lock */
1604 Route::configure_processors (ProcessorStreams* err)
1606 assert (!AudioEngine::instance()->process_lock().trylock());
1608 if (!_in_configure_processors) {
1609 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1610 return configure_processors_unlocked (err);
1617 Route::input_streams () const
1619 return _input->n_ports ();
1622 list<pair<ChanCount, ChanCount> >
1623 Route::try_configure_processors (ChanCount in, ProcessorStreams* err)
1625 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1627 return try_configure_processors_unlocked (in, err);
1630 list<pair<ChanCount, ChanCount> >
1631 Route::try_configure_processors_unlocked (ChanCount in, ProcessorStreams* err)
1633 // Check each processor in order to see if we can configure as requested
1635 list<pair<ChanCount, ChanCount> > configuration;
1638 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configure processors\n", _name));
1639 DEBUG_TRACE (DEBUG::Processors, "{\n");
1641 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++index) {
1643 if (boost::dynamic_pointer_cast<UnknownProcessor> (*p)) {
1644 DEBUG_TRACE (DEBUG::Processors, "--- CONFIGURE ABORTED due to unknown processor.\n");
1648 if ((*p)->can_support_io_configuration(in, out)) {
1649 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1 ID=%2 in=%3 out=%4\n",(*p)->name(), (*p)->id(), in, out));
1650 configuration.push_back(make_pair(in, out));
1657 DEBUG_TRACE (DEBUG::Processors, "---- CONFIGURATION FAILED.\n");
1658 DEBUG_TRACE (DEBUG::Processors, string_compose ("---- %1 cannot support in=%2 out=%3\n", (*p)->name(), in, out));
1659 DEBUG_TRACE (DEBUG::Processors, "}\n");
1660 return list<pair<ChanCount, ChanCount> > ();
1664 DEBUG_TRACE (DEBUG::Processors, "}\n");
1666 return configuration;
1669 /** Set the input/output configuration of each processor in the processors list.
1670 * Caller must hold process lock.
1671 * Return 0 on success, otherwise configuration is impossible.
1674 Route::configure_processors_unlocked (ProcessorStreams* err)
1676 assert (!AudioEngine::instance()->process_lock().trylock());
1678 if (_in_configure_processors) {
1682 /* put invisible processors where they should be */
1683 setup_invisible_processors ();
1685 _in_configure_processors = true;
1687 list<pair<ChanCount, ChanCount> > configuration = try_configure_processors_unlocked (input_streams (), err);
1689 if (configuration.empty ()) {
1690 _in_configure_processors = false;
1696 list< pair<ChanCount,ChanCount> >::iterator c = configuration.begin();
1697 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++c) {
1699 if (boost::dynamic_pointer_cast<UnknownProcessor> (*p)) {
1703 (*p)->configure_io(c->first, c->second);
1704 processor_max_streams = ChanCount::max(processor_max_streams, c->first);
1705 processor_max_streams = ChanCount::max(processor_max_streams, c->second);
1710 _meter->reset_max_channels (processor_max_streams);
1713 /* make sure we have sufficient scratch buffers to cope with the new processor
1716 _session.ensure_buffers (n_process_buffers ());
1718 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configuration complete\n", _name));
1720 _in_configure_processors = false;
1724 /** Set all visible processors to a given active state (except Fader, whose state is not changed)
1725 * @param state New active state for those processors.
1728 Route::all_visible_processors_active (bool state)
1730 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1732 if (_processors.empty()) {
1736 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1737 if (!(*i)->display_to_user() || boost::dynamic_pointer_cast<Amp> (*i)) {
1744 (*i)->deactivate ();
1748 _session.set_dirty ();
1752 Route::reorder_processors (const ProcessorList& new_order, ProcessorStreams* err)
1754 /* "new_order" is an ordered list of processors to be positioned according to "placement".
1755 NOTE: all processors in "new_order" MUST be marked as display_to_user(). There maybe additional
1756 processors in the current actual processor list that are hidden. Any visible processors
1757 in the current list but not in "new_order" will be assumed to be deleted.
1761 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1762 ProcessorState pstate (this);
1764 ProcessorList::iterator oiter;
1765 ProcessorList::const_iterator niter;
1766 ProcessorList as_it_will_be;
1768 oiter = _processors.begin();
1769 niter = new_order.begin();
1771 while (niter != new_order.end()) {
1773 /* if the next processor in the old list is invisible (i.e. should not be in the new order)
1774 then append it to the temp list.
1776 Otherwise, see if the next processor in the old list is in the new list. if not,
1777 its been deleted. If its there, append it to the temp list.
1780 if (oiter == _processors.end()) {
1782 /* no more elements in the old list, so just stick the rest of
1783 the new order onto the temp list.
1786 as_it_will_be.insert (as_it_will_be.end(), niter, new_order.end());
1787 while (niter != new_order.end()) {
1794 if (!(*oiter)->display_to_user()) {
1796 as_it_will_be.push_back (*oiter);
1800 /* visible processor: check that its in the new order */
1802 if (find (new_order.begin(), new_order.end(), (*oiter)) == new_order.end()) {
1803 /* deleted: do nothing, shared_ptr<> will clean up */
1805 /* ignore this one, and add the next item from the new order instead */
1806 as_it_will_be.push_back (*niter);
1811 /* now remove from old order - its taken care of no matter what */
1812 oiter = _processors.erase (oiter);
1817 _processors.insert (oiter, as_it_will_be.begin(), as_it_will_be.end());
1819 /* If the meter is in a custom position, find it and make a rough note of its position */
1820 maybe_note_meter_position ();
1823 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1825 if (configure_processors_unlocked (err)) {
1832 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1833 set_processor_positions ();
1845 Route::get_template()
1847 return state(false);
1851 Route::state(bool full_state)
1853 XMLNode *node = new XMLNode("Route");
1854 ProcessorList::iterator i;
1857 id().print (buf, sizeof (buf));
1858 node->add_property("id", buf);
1859 node->add_property ("name", _name);
1860 node->add_property("default-type", _default_type.to_string());
1863 node->add_property("flags", enum_2_string (_flags));
1866 node->add_property("active", _active?"yes":"no");
1868 boost::to_string (_phase_invert, p);
1869 node->add_property("phase-invert", p);
1870 node->add_property("denormal-protection", _denormal_protection?"yes":"no");
1871 node->add_property("meter-point", enum_2_string (_meter_point));
1874 node->add_property("route-group", _route_group->name());
1877 string order_string;
1878 OrderKeys::iterator x = order_keys.begin();
1880 while (x != order_keys.end()) {
1881 order_string += enum_2_string ((*x).first);
1882 order_string += '=';
1883 snprintf (buf, sizeof(buf), "%" PRId32, (*x).second);
1884 order_string += buf;
1888 if (x == order_keys.end()) {
1892 order_string += ':';
1894 node->add_property ("order-keys", order_string);
1895 node->add_property ("self-solo", (_self_solo ? "yes" : "no"));
1896 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_upstream);
1897 node->add_property ("soloed-by-upstream", buf);
1898 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_downstream);
1899 node->add_property ("soloed-by-downstream", buf);
1900 node->add_property ("solo-isolated", solo_isolated() ? "yes" : "no");
1901 node->add_property ("solo-safe", _solo_safe ? "yes" : "no");
1903 node->add_child_nocopy (_input->state (full_state));
1904 node->add_child_nocopy (_output->state (full_state));
1905 node->add_child_nocopy (_solo_control->get_state ());
1906 node->add_child_nocopy (_mute_control->get_state ());
1907 node->add_child_nocopy (_mute_master->get_state ());
1909 XMLNode* remote_control_node = new XMLNode (X_("RemoteControl"));
1910 snprintf (buf, sizeof (buf), "%d", _remote_control_id);
1911 remote_control_node->add_property (X_("id"), buf);
1912 node->add_child_nocopy (*remote_control_node);
1914 if (_comment.length()) {
1915 XMLNode *cmt = node->add_child ("Comment");
1916 cmt->add_content (_comment);
1920 node->add_child_nocopy (_pannable->state (full_state));
1923 for (i = _processors.begin(); i != _processors.end(); ++i) {
1925 /* template save: do not include internal sends functioning as
1926 aux sends because the chance of the target ID
1927 in the session where this template is used
1930 similarly, do not save listen sends which connect to
1931 the monitor section, because these will always be
1934 boost::shared_ptr<InternalSend> is;
1936 if ((is = boost::dynamic_pointer_cast<InternalSend> (*i)) != 0) {
1937 if (is->role() == Delivery::Aux || is->role() == Delivery::Listen) {
1942 node->add_child_nocopy((*i)->state (full_state));
1946 node->add_child_copy (*_extra_xml);
1949 if (_custom_meter_position_noted) {
1950 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
1952 after->id().print (buf, sizeof (buf));
1953 node->add_property (X_("processor-after-last-custom-meter"), buf);
1956 node->add_property (X_("last-custom-meter-was-at-end"), _last_custom_meter_was_at_end ? "yes" : "no");
1963 Route::set_state (const XMLNode& node, int version)
1965 if (version < 3000) {
1966 return set_state_2X (node, version);
1970 XMLNodeConstIterator niter;
1972 const XMLProperty *prop;
1974 if (node.name() != "Route"){
1975 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
1979 if ((prop = node.property (X_("name"))) != 0) {
1980 Route::set_name (prop->value());
1985 if ((prop = node.property (X_("flags"))) != 0) {
1986 _flags = Flag (string_2_enum (prop->value(), _flags));
1991 if (is_master() || is_monitor() || is_hidden()) {
1992 _mute_master->set_solo_ignore (true);
1996 /* monitor bus does not get a panner, but if (re)created
1997 via XML, it will already have one by the time we
1998 call ::set_state(). so ... remove it.
2003 /* add all processors (except amp, which is always present) */
2005 nlist = node.children();
2006 XMLNode processor_state (X_("processor_state"));
2008 Stateful::save_extra_xml (node);
2010 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2014 if (child->name() == IO::state_node_name) {
2015 if ((prop = child->property (X_("direction"))) == 0) {
2019 if (prop->value() == "Input") {
2020 _input->set_state (*child, version);
2021 } else if (prop->value() == "Output") {
2022 _output->set_state (*child, version);
2026 if (child->name() == X_("Processor")) {
2027 processor_state.add_child_copy (*child);
2030 if (child->name() == X_("Pannable")) {
2032 _pannable->set_state (*child, version);
2034 warning << string_compose (_("Pannable state found for route (%1) without a panner!"), name()) << endmsg;
2039 if ((prop = node.property (X_("meter-point"))) != 0) {
2040 MeterPoint mp = MeterPoint (string_2_enum (prop->value (), _meter_point));
2041 set_meter_point (mp, true);
2043 _meter->set_display_to_user (_meter_point == MeterCustom);
2047 set_processor_state (processor_state);
2049 // this looks up the internal instrument in processors
2050 reset_instrument_info();
2052 if ((prop = node.property ("self-solo")) != 0) {
2053 set_self_solo (string_is_affirmative (prop->value()));
2056 if ((prop = node.property ("soloed-by-upstream")) != 0) {
2057 _soloed_by_others_upstream = 0; // needed for mod_.... () to work
2058 mod_solo_by_others_upstream (atoi (prop->value()));
2061 if ((prop = node.property ("soloed-by-downstream")) != 0) {
2062 _soloed_by_others_downstream = 0; // needed for mod_.... () to work
2063 mod_solo_by_others_downstream (atoi (prop->value()));
2066 if ((prop = node.property ("solo-isolated")) != 0) {
2067 set_solo_isolated (string_is_affirmative (prop->value()), this);
2070 if ((prop = node.property ("solo-safe")) != 0) {
2071 set_solo_safe (string_is_affirmative (prop->value()), this);
2074 if ((prop = node.property (X_("phase-invert"))) != 0) {
2075 set_phase_invert (boost::dynamic_bitset<> (prop->value ()));
2078 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2079 set_denormal_protection (string_is_affirmative (prop->value()));
2082 if ((prop = node.property (X_("active"))) != 0) {
2083 bool yn = string_is_affirmative (prop->value());
2084 _active = !yn; // force switch
2085 set_active (yn, this);
2088 if ((prop = node.property (X_("order-keys"))) != 0) {
2092 string::size_type colon, equal;
2093 string remaining = prop->value();
2095 while (remaining.length()) {
2097 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2098 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2101 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2102 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2105 string keyname = remaining.substr (0, equal);
2106 RouteSortOrderKey sk;
2108 if (keyname == "signal") {
2110 } else if (keyname == "editor") {
2113 sk = (RouteSortOrderKey) string_2_enum (remaining.substr (0, equal), sk);
2116 set_order_key (sk, n);
2120 colon = remaining.find_first_of (':');
2122 if (colon != string::npos) {
2123 remaining = remaining.substr (colon+1);
2130 if ((prop = node.property (X_("processor-after-last-custom-meter"))) != 0) {
2131 PBD::ID id (prop->value ());
2132 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
2133 ProcessorList::const_iterator i = _processors.begin ();
2134 while (i != _processors.end() && (*i)->id() != id) {
2138 if (i != _processors.end ()) {
2139 _processor_after_last_custom_meter = *i;
2140 _custom_meter_position_noted = true;
2144 if ((prop = node.property (X_("last-custom-meter-was-at-end"))) != 0) {
2145 _last_custom_meter_was_at_end = string_is_affirmative (prop->value ());
2148 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2151 if (child->name() == X_("Comment")) {
2153 /* XXX this is a terrible API design in libxml++ */
2155 XMLNode *cmt = *(child->children().begin());
2156 _comment = cmt->content();
2158 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2159 if (prop->value() == "solo") {
2160 _solo_control->set_state (*child, version);
2161 } else if (prop->value() == "mute") {
2162 _mute_control->set_state (*child, version);
2165 } else if (child->name() == X_("RemoteControl")) {
2166 if ((prop = child->property (X_("id"))) != 0) {
2168 sscanf (prop->value().c_str(), "%d", &x);
2169 set_remote_control_id (x);
2172 } else if (child->name() == X_("MuteMaster")) {
2173 _mute_master->set_state (*child, version);
2181 Route::set_state_2X (const XMLNode& node, int version)
2184 XMLNodeConstIterator niter;
2186 const XMLProperty *prop;
2188 /* 2X things which still remain to be handled:
2194 if (node.name() != "Route") {
2195 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
2199 if ((prop = node.property (X_("flags"))) != 0) {
2200 string f = prop->value ();
2201 boost::replace_all (f, "ControlOut", "MonitorOut");
2202 _flags = Flag (string_2_enum (f, _flags));
2207 if ((prop = node.property (X_("phase-invert"))) != 0) {
2208 boost::dynamic_bitset<> p (_input->n_ports().n_audio ());
2209 if (string_is_affirmative (prop->value ())) {
2212 set_phase_invert (p);
2215 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2216 set_denormal_protection (string_is_affirmative (prop->value()));
2219 if ((prop = node.property (X_("soloed"))) != 0) {
2220 bool yn = string_is_affirmative (prop->value());
2222 /* XXX force reset of solo status */
2224 set_solo (yn, this);
2227 if ((prop = node.property (X_("muted"))) != 0) {
2230 bool muted = string_is_affirmative (prop->value());
2236 if ((prop = node.property (X_("mute-affects-pre-fader"))) != 0) {
2238 if (string_is_affirmative (prop->value())){
2239 mute_point = mute_point + "PreFader";
2244 if ((prop = node.property (X_("mute-affects-post-fader"))) != 0) {
2246 if (string_is_affirmative (prop->value())){
2249 mute_point = mute_point + ",";
2252 mute_point = mute_point + "PostFader";
2257 if ((prop = node.property (X_("mute-affects-control-outs"))) != 0) {
2259 if (string_is_affirmative (prop->value())){
2262 mute_point = mute_point + ",";
2265 mute_point = mute_point + "Listen";
2270 if ((prop = node.property (X_("mute-affects-main-outs"))) != 0) {
2272 if (string_is_affirmative (prop->value())){
2275 mute_point = mute_point + ",";
2278 mute_point = mute_point + "Main";
2282 _mute_master->set_mute_points (mute_point);
2283 _mute_master->set_muted_by_self (true);
2287 if ((prop = node.property (X_("meter-point"))) != 0) {
2288 _meter_point = MeterPoint (string_2_enum (prop->value (), _meter_point));
2291 /* do not carry over edit/mix groups from 2.X because (a) its hard (b) they
2292 don't mean the same thing.
2295 if ((prop = node.property (X_("order-keys"))) != 0) {
2299 string::size_type colon, equal;
2300 string remaining = prop->value();
2302 while (remaining.length()) {
2304 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2305 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2308 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2309 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2312 string keyname = remaining.substr (0, equal);
2313 RouteSortOrderKey sk;
2315 if (keyname == "signal") {
2317 } else if (keyname == "editor") {
2320 sk = (RouteSortOrderKey) string_2_enum (remaining.substr (0, equal), sk);
2323 set_order_key (sk, n);
2327 colon = remaining.find_first_of (':');
2329 if (colon != string::npos) {
2330 remaining = remaining.substr (colon+1);
2339 nlist = node.children ();
2340 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2344 if (child->name() == IO::state_node_name) {
2346 /* there is a note in IO::set_state_2X() about why we have to call
2350 _input->set_state_2X (*child, version, true);
2351 _output->set_state_2X (*child, version, false);
2353 if ((prop = child->property (X_("name"))) != 0) {
2354 Route::set_name (prop->value ());
2359 if ((prop = child->property (X_("active"))) != 0) {
2360 bool yn = string_is_affirmative (prop->value());
2361 _active = !yn; // force switch
2362 set_active (yn, this);
2365 if ((prop = child->property (X_("gain"))) != 0) {
2368 if (sscanf (prop->value().c_str(), "%f", &val) == 1) {
2369 _amp->gain_control()->set_value (val);
2373 /* Set up Panners in the IO */
2374 XMLNodeList io_nlist = child->children ();
2376 XMLNodeConstIterator io_niter;
2379 for (io_niter = io_nlist.begin(); io_niter != io_nlist.end(); ++io_niter) {
2381 io_child = *io_niter;
2383 if (io_child->name() == X_("Panner")) {
2384 _main_outs->panner_shell()->set_state(*io_child, version);
2385 } else if (io_child->name() == X_("Automation")) {
2386 /* IO's automation is for the fader */
2387 _amp->set_automation_xml_state (*io_child, Evoral::Parameter (GainAutomation));
2393 XMLNodeList redirect_nodes;
2395 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2399 if (child->name() == X_("Send") || child->name() == X_("Insert")) {
2400 redirect_nodes.push_back(child);
2405 set_processor_state_2X (redirect_nodes, version);
2407 Stateful::save_extra_xml (node);
2409 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2412 if (child->name() == X_("Comment")) {
2414 /* XXX this is a terrible API design in libxml++ */
2416 XMLNode *cmt = *(child->children().begin());
2417 _comment = cmt->content();
2419 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2420 if (prop->value() == X_("solo")) {
2421 _solo_control->set_state (*child, version);
2422 } else if (prop->value() == X_("mute")) {
2423 _mute_control->set_state (*child, version);
2426 } else if (child->name() == X_("RemoteControl")) {
2427 if ((prop = child->property (X_("id"))) != 0) {
2429 sscanf (prop->value().c_str(), "%d", &x);
2430 set_remote_control_id (x);
2440 Route::get_processor_state ()
2442 XMLNode* root = new XMLNode (X_("redirects"));
2443 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2444 root->add_child_nocopy ((*i)->state (true));
2451 Route::set_processor_state_2X (XMLNodeList const & nList, int version)
2453 /* We don't bother removing existing processors not in nList, as this
2454 method will only be called when creating a Route from scratch, not
2455 for undo purposes. Just put processors in at the appropriate place
2459 for (XMLNodeConstIterator i = nList.begin(); i != nList.end(); ++i) {
2460 add_processor_from_xml_2X (**i, version);
2465 Route::set_processor_state (const XMLNode& node)
2467 const XMLNodeList &nlist = node.children();
2468 XMLNodeConstIterator niter;
2469 ProcessorList new_order;
2470 bool must_configure = false;
2472 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2474 XMLProperty* prop = (*niter)->property ("type");
2476 if (prop->value() == "amp") {
2477 _amp->set_state (**niter, Stateful::current_state_version);
2478 new_order.push_back (_amp);
2479 } else if (prop->value() == "meter") {
2480 _meter->set_state (**niter, Stateful::current_state_version);
2481 new_order.push_back (_meter);
2482 } else if (prop->value() == "main-outs") {
2483 _main_outs->set_state (**niter, Stateful::current_state_version);
2484 } else if (prop->value() == "intreturn") {
2486 _intreturn.reset (new InternalReturn (_session));
2487 must_configure = true;
2489 _intreturn->set_state (**niter, Stateful::current_state_version);
2490 } else if (is_monitor() && prop->value() == "monitor") {
2491 if (!_monitor_control) {
2492 _monitor_control.reset (new MonitorProcessor (_session));
2493 must_configure = true;
2495 _monitor_control->set_state (**niter, Stateful::current_state_version);
2496 } else if (prop->value() == "capture") {
2497 /* CapturingProcessor should never be restored, it's always
2498 added explicitly when needed */
2500 ProcessorList::iterator o;
2502 for (o = _processors.begin(); o != _processors.end(); ++o) {
2503 XMLProperty* id_prop = (*niter)->property(X_("id"));
2504 if (id_prop && (*o)->id() == id_prop->value()) {
2505 (*o)->set_state (**niter, Stateful::current_state_version);
2506 new_order.push_back (*o);
2511 // If the processor (*niter) is not on the route then create it
2513 if (o == _processors.end()) {
2515 boost::shared_ptr<Processor> processor;
2517 if (prop->value() == "intsend") {
2519 processor.reset (new InternalSend (_session, _pannable, _mute_master, boost::shared_ptr<Route>(), Delivery::Role (0)));
2521 } else if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
2522 prop->value() == "lv2" ||
2523 prop->value() == "windows-vst" ||
2524 prop->value() == "lxvst" ||
2525 prop->value() == "audiounit") {
2527 processor.reset (new PluginInsert(_session));
2529 } else if (prop->value() == "port") {
2531 processor.reset (new PortInsert (_session, _pannable, _mute_master));
2533 } else if (prop->value() == "send") {
2535 processor.reset (new Send (_session, _pannable, _mute_master));
2538 error << string_compose(_("unknown Processor type \"%1\"; ignored"), prop->value()) << endmsg;
2542 if (processor->set_state (**niter, Stateful::current_state_version) != 0) {
2543 /* This processor could not be configured. Turn it into a UnknownProcessor */
2544 processor.reset (new UnknownProcessor (_session, **niter));
2547 /* we have to note the monitor send here, otherwise a new one will be created
2548 and the state of this one will be lost.
2550 boost::shared_ptr<InternalSend> isend = boost::dynamic_pointer_cast<InternalSend> (processor);
2551 if (isend && isend->role() == Delivery::Listen) {
2552 _monitor_send = isend;
2555 /* it doesn't matter if invisible processors are added here, as they
2556 will be sorted out by setup_invisible_processors () shortly.
2559 new_order.push_back (processor);
2560 must_configure = true;
2566 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
2567 _processors = new_order;
2569 if (must_configure) {
2570 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2571 configure_processors_unlocked (0);
2574 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
2576 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
2578 boost::shared_ptr<PluginInsert> pi;
2580 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
2581 if (pi->has_no_inputs ()) {
2582 _have_internal_generator = true;
2589 reset_instrument_info ();
2590 processors_changed (RouteProcessorChange ());
2591 set_processor_positions ();
2595 Route::curve_reallocate ()
2597 // _gain_automation_curve.finish_resize ();
2598 // _pan_automation_curve.finish_resize ();
2602 Route::silence (framecnt_t nframes)
2604 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
2609 silence_unlocked (nframes);
2613 Route::silence_unlocked (framecnt_t nframes)
2615 /* Must be called with the processor lock held */
2619 _output->silence (nframes);
2621 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2622 boost::shared_ptr<PluginInsert> pi;
2624 if (!_active && (pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
2625 // skip plugins, they don't need anything when we're not active
2629 (*i)->silence (nframes);
2632 if (nframes == _session.get_block_size()) {
2639 Route::add_internal_return ()
2642 _intreturn.reset (new InternalReturn (_session));
2643 add_processor (_intreturn, PreFader);
2648 Route::add_send_to_internal_return (InternalSend* send)
2650 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
2652 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
2653 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
2656 return d->add_send (send);
2662 Route::remove_send_from_internal_return (InternalSend* send)
2664 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
2666 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
2667 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
2670 return d->remove_send (send);
2676 Route::enable_monitor_send ()
2678 /* Caller must hold process lock */
2679 assert (!AudioEngine::instance()->process_lock().trylock());
2681 /* master never sends to monitor section via the normal mechanism */
2682 assert (!is_master ());
2684 /* make sure we have one */
2685 if (!_monitor_send) {
2686 _monitor_send.reset (new InternalSend (_session, _pannable, _mute_master, _session.monitor_out(), Delivery::Listen));
2687 _monitor_send->set_display_to_user (false);
2691 configure_processors (0);
2694 /** Add an aux send to a route.
2695 * @param route route to send to.
2696 * @param before Processor to insert before, or 0 to insert at the end.
2699 Route::add_aux_send (boost::shared_ptr<Route> route, boost::shared_ptr<Processor> before)
2701 assert (route != _session.monitor_out ());
2704 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
2706 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
2708 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend> (*x);
2710 if (d && d->target_route() == route) {
2711 /* already listening via the specified IO: do nothing */
2719 boost::shared_ptr<InternalSend> listener;
2722 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
2723 listener.reset (new InternalSend (_session, _pannable, _mute_master, route, Delivery::Aux));
2726 add_processor (listener, before);
2728 } catch (failed_constructor& err) {
2736 Route::remove_aux_or_listen (boost::shared_ptr<Route> route)
2738 ProcessorStreams err;
2739 ProcessorList::iterator tmp;
2742 Glib::Threads::RWLock::ReaderLock rl(_processor_lock);
2744 /* have to do this early because otherwise processor reconfig
2745 * will put _monitor_send back in the list
2748 if (route == _session.monitor_out()) {
2749 _monitor_send.reset ();
2753 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
2755 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend>(*x);
2757 if (d && d->target_route() == route) {
2759 remove_processor (*x, &err, false);
2762 /* list could have been demolished while we dropped the lock
2773 Route::set_comment (string cmt, void *src)
2776 comment_changed (src);
2777 _session.set_dirty ();
2781 Route::add_fed_by (boost::shared_ptr<Route> other, bool via_sends_only)
2783 FeedRecord fr (other, via_sends_only);
2785 pair<FedBy::iterator,bool> result = _fed_by.insert (fr);
2787 if (!result.second) {
2789 /* already a record for "other" - make sure sends-only information is correct */
2790 if (!via_sends_only && result.first->sends_only) {
2791 FeedRecord* frp = const_cast<FeedRecord*>(&(*result.first));
2792 frp->sends_only = false;
2796 return result.second;
2800 Route::clear_fed_by ()
2806 Route::feeds (boost::shared_ptr<Route> other, bool* via_sends_only)
2808 const FedBy& fed_by (other->fed_by());
2810 for (FedBy::iterator f = fed_by.begin(); f != fed_by.end(); ++f) {
2811 boost::shared_ptr<Route> sr = f->r.lock();
2813 if (sr && (sr.get() == this)) {
2815 if (via_sends_only) {
2816 *via_sends_only = f->sends_only;
2827 Route::direct_feeds_according_to_reality (boost::shared_ptr<Route> other, bool* via_send_only)
2829 DEBUG_TRACE (DEBUG::Graph, string_compose ("Feeds? %1\n", _name));
2831 if (_output->connected_to (other->input())) {
2832 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdirect FEEDS %2\n", other->name()));
2833 if (via_send_only) {
2834 *via_send_only = false;
2841 for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
2843 boost::shared_ptr<IOProcessor> iop;
2845 if ((iop = boost::dynamic_pointer_cast<IOProcessor>(*r)) != 0) {
2846 if (iop->feeds (other)) {
2847 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does feed %2\n", iop->name(), other->name()));
2848 if (via_send_only) {
2849 *via_send_only = true;
2853 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does NOT feed %2\n", iop->name(), other->name()));
2856 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tPROC %1 is not an IOP\n", (*r)->name()));
2861 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdoes NOT feed %1\n", other->name()));
2866 Route::direct_feeds_according_to_graph (boost::shared_ptr<Route> other, bool* via_send_only)
2868 return _session._current_route_graph.has (shared_from_this (), other, via_send_only);
2871 /** Called from the (non-realtime) butler thread when the transport is stopped */
2873 Route::nonrealtime_handle_transport_stopped (bool /*abort_ignored*/, bool did_locate, bool can_flush_processors)
2875 framepos_t now = _session.transport_frame();
2878 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
2880 Automatable::transport_stopped (now);
2882 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2884 if (!_have_internal_generator && (Config->get_plugins_stop_with_transport() && can_flush_processors)) {
2888 (*i)->transport_stopped (now);
2892 _roll_delay = _initial_delay;
2896 Route::input_change_handler (IOChange change, void * /*src*/)
2898 bool need_to_queue_solo_change = true;
2900 if ((change.type & IOChange::ConfigurationChanged)) {
2901 /* This is called with the process lock held if change
2902 contains ConfigurationChanged
2904 need_to_queue_solo_change = false;
2905 configure_processors (0);
2906 _phase_invert.resize (_input->n_ports().n_audio ());
2907 io_changed (); /* EMIT SIGNAL */
2910 if (!_input->connected() && _soloed_by_others_upstream) {
2911 if (need_to_queue_solo_change) {
2912 _session.cancel_solo_after_disconnect (shared_from_this(), true);
2914 cancel_solo_after_disconnect (true);
2920 Route::output_change_handler (IOChange change, void * /*src*/)
2922 bool need_to_queue_solo_change = true;
2924 if ((change.type & IOChange::ConfigurationChanged)) {
2925 /* This is called with the process lock held if change
2926 contains ConfigurationChanged
2928 need_to_queue_solo_change = false;
2931 if (!_output->connected() && _soloed_by_others_downstream) {
2932 if (need_to_queue_solo_change) {
2933 _session.cancel_solo_after_disconnect (shared_from_this(), false);
2935 cancel_solo_after_disconnect (false);
2941 Route::cancel_solo_after_disconnect (bool upstream)
2944 _soloed_by_others_upstream = 0;
2946 _soloed_by_others_downstream = 0;
2948 set_mute_master_solo ();
2949 solo_changed (false, this);
2953 Route::pans_required () const
2955 if (n_outputs().n_audio() < 2) {
2959 return max (n_inputs ().n_audio(), processor_max_streams.n_audio());
2963 Route::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool session_state_changing)
2965 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
2970 if (n_outputs().n_total() == 0) {
2974 if (!_active || n_inputs() == ChanCount::ZERO) {
2975 silence_unlocked (nframes);
2978 if (session_state_changing) {
2979 if (_session.transport_speed() != 0.0f) {
2980 /* we're rolling but some state is changing (e.g. our diskstream contents)
2981 so we cannot use them. Be silent till this is over.
2983 XXX note the absurdity of ::no_roll() being called when we ARE rolling!
2985 silence_unlocked (nframes);
2988 /* we're really not rolling, so we're either delivery silence or actually
2989 monitoring, both of which are safe to do while session_state_changing is true.
2993 _amp->apply_gain_automation (false);
2994 passthru (start_frame, end_frame, nframes, 0);
3000 Route::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& /* need_butler */)
3002 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
3007 if (n_outputs().n_total() == 0) {
3011 if (!_active || n_inputs().n_total() == 0) {
3012 silence_unlocked (nframes);
3016 framepos_t unused = 0;
3018 if ((nframes = check_initial_delay (nframes, unused)) == 0) {
3024 passthru (start_frame, end_frame, nframes, declick);
3030 Route::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/, bool& /* need_butler */)
3037 Route::flush_processors ()
3039 /* XXX shouldn't really try to take this lock, since
3040 this is called from the RT audio thread.
3043 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3045 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3051 Route::set_meter_point (MeterPoint p, bool force)
3053 /* CAN BE CALLED FROM PROCESS CONTEXT */
3055 if (_meter_point == p && !force) {
3059 bool meter_was_visible_to_user = _meter->display_to_user ();
3062 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
3064 maybe_note_meter_position ();
3068 if (_meter_point != MeterCustom) {
3070 _meter->set_display_to_user (false);
3072 setup_invisible_processors ();
3076 _meter->set_display_to_user (true);
3078 /* If we have a previous position for the custom meter, try to put it there */
3079 if (_custom_meter_position_noted) {
3080 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
3083 ProcessorList::iterator i = find (_processors.begin(), _processors.end(), after);
3084 if (i != _processors.end ()) {
3085 _processors.remove (_meter);
3086 _processors.insert (i, _meter);
3088 } else if (_last_custom_meter_was_at_end) {
3089 _processors.remove (_meter);
3090 _processors.push_back (_meter);
3095 /* Set up the meter for its new position */
3097 ProcessorList::iterator loc = find (_processors.begin(), _processors.end(), _meter);
3101 if (loc == _processors.begin()) {
3102 m_in = _input->n_ports();
3104 ProcessorList::iterator before = loc;
3106 m_in = (*before)->output_streams ();
3109 _meter->reflect_inputs (m_in);
3111 /* we do not need to reconfigure the processors, because the meter
3112 (a) is always ready to handle processor_max_streams
3113 (b) is always an N-in/N-out processor, and thus moving
3114 it doesn't require any changes to the other processors.
3118 meter_change (); /* EMIT SIGNAL */
3120 bool const meter_visibly_changed = (_meter->display_to_user() != meter_was_visible_to_user);
3122 processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, meter_visibly_changed)); /* EMIT SIGNAL */
3126 Route::listen_position_changed ()
3129 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
3130 ProcessorState pstate (this);
3133 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3135 if (configure_processors_unlocked (0)) {
3137 configure_processors_unlocked (0); // it worked before we tried to add it ...
3143 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
3144 _session.set_dirty ();
3147 boost::shared_ptr<CapturingProcessor>
3148 Route::add_export_point()
3150 if (!_capturing_processor) {
3152 _capturing_processor.reset (new CapturingProcessor (_session));
3153 _capturing_processor->activate ();
3156 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3157 configure_processors (0);
3162 return _capturing_processor;
3166 Route::update_signal_latency ()
3168 framecnt_t l = _output->user_latency();
3170 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3171 if ((*i)->active ()) {
3172 l += (*i)->signal_latency ();
3176 DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: internal signal latency = %2\n", _name, l));
3178 if (_signal_latency != l) {
3179 _signal_latency = l;
3180 signal_latency_changed (); /* EMIT SIGNAL */
3183 return _signal_latency;
3187 Route::set_user_latency (framecnt_t nframes)
3189 _output->set_user_latency (nframes);
3190 _session.update_latency_compensation ();
3194 Route::set_latency_compensation (framecnt_t longest_session_latency)
3196 framecnt_t old = _initial_delay;
3198 if (_signal_latency < longest_session_latency) {
3199 _initial_delay = longest_session_latency - _signal_latency;
3204 DEBUG_TRACE (DEBUG::Latency, string_compose (
3205 "%1: compensate for maximum latency of %2,"
3206 "given own latency of %3, using initial delay of %4\n",
3207 name(), longest_session_latency, _signal_latency, _initial_delay));
3209 if (_initial_delay != old) {
3210 initial_delay_changed (); /* EMIT SIGNAL */
3213 if (_session.transport_stopped()) {
3214 _roll_delay = _initial_delay;
3218 Route::SoloControllable::SoloControllable (std::string name, boost::shared_ptr<Route> r)
3219 : AutomationControl (r->session(), Evoral::Parameter (SoloAutomation),
3220 boost::shared_ptr<AutomationList>(), name)
3223 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(SoloAutomation)));
3228 Route::SoloControllable::set_value (double val)
3230 bool bval = ((val >= 0.5f) ? true: false);
3232 boost::shared_ptr<RouteList> rl (new RouteList);
3234 boost::shared_ptr<Route> r = _route.lock ();
3241 if (Config->get_solo_control_is_listen_control()) {
3242 _session.set_listen (rl, bval);
3244 _session.set_solo (rl, bval);
3249 Route::SoloControllable::get_value () const
3251 boost::shared_ptr<Route> r = _route.lock ();
3256 if (Config->get_solo_control_is_listen_control()) {
3257 return r->listening_via_monitor() ? 1.0f : 0.0f;
3259 return r->self_soloed() ? 1.0f : 0.0f;
3263 Route::MuteControllable::MuteControllable (std::string name, boost::shared_ptr<Route> r)
3264 : AutomationControl (r->session(), Evoral::Parameter (MuteAutomation),
3265 boost::shared_ptr<AutomationList>(), name)
3268 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(MuteAutomation)));
3273 Route::MuteControllable::set_value (double val)
3275 bool bval = ((val >= 0.5f) ? true: false);
3277 boost::shared_ptr<RouteList> rl (new RouteList);
3279 boost::shared_ptr<Route> r = _route.lock ();
3285 _session.set_mute (rl, bval);
3289 Route::MuteControllable::get_value () const
3291 boost::shared_ptr<Route> r = _route.lock ();
3296 return r->muted() ? 1.0f : 0.0f;
3300 Route::set_block_size (pframes_t nframes)
3302 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3303 (*i)->set_block_size (nframes);
3306 _session.ensure_buffers (n_process_buffers ());
3310 Route::protect_automation ()
3312 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i)
3313 (*i)->protect_automation();
3316 /** @param declick 1 to set a pending declick fade-in,
3317 * -1 to set a pending declick fade-out
3320 Route::set_pending_declick (int declick)
3323 /* this call is not allowed to turn off a pending declick */
3325 _pending_declick = declick;
3328 _pending_declick = 0;
3332 /** Shift automation forwards from a particular place, thereby inserting time.
3333 * Adds undo commands for any shifts that are performed.
3335 * @param pos Position to start shifting from.
3336 * @param frames Amount to shift forwards by.
3340 Route::shift (framepos_t pos, framecnt_t frames)
3342 /* gain automation */
3344 boost::shared_ptr<AutomationControl> gc = _amp->gain_control();
3346 XMLNode &before = gc->alist()->get_state ();
3347 gc->alist()->shift (pos, frames);
3348 XMLNode &after = gc->alist()->get_state ();
3349 _session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
3352 /* pan automation */
3354 ControlSet::Controls& c (_pannable->controls());
3356 for (ControlSet::Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
3357 boost::shared_ptr<AutomationControl> pc = boost::dynamic_pointer_cast<AutomationControl> (ci->second);
3359 boost::shared_ptr<AutomationList> al = pc->alist();
3360 XMLNode& before = al->get_state ();
3361 al->shift (pos, frames);
3362 XMLNode& after = al->get_state ();
3363 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
3368 /* redirect automation */
3370 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3371 for (ProcessorList::iterator i = _processors.begin (); i != _processors.end (); ++i) {
3373 set<Evoral::Parameter> parameters = (*i)->what_can_be_automated();
3375 for (set<Evoral::Parameter>::const_iterator p = parameters.begin (); p != parameters.end (); ++p) {
3376 boost::shared_ptr<AutomationControl> ac = (*i)->automation_control (*p);
3378 boost::shared_ptr<AutomationList> al = ac->alist();
3379 XMLNode &before = al->get_state ();
3380 al->shift (pos, frames);
3381 XMLNode &after = al->get_state ();
3382 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
3391 Route::save_as_template (const string& path, const string& name)
3393 XMLNode& node (state (false));
3396 IO::set_name_in_state (*node.children().front(), name);
3398 tree.set_root (&node);
3399 return tree.write (path.c_str());
3404 Route::set_name (const string& str)
3410 name = Route::ensure_track_or_route_name (str, _session);
3411 SessionObject::set_name (name);
3413 ret = (_input->set_name(name) && _output->set_name(name));
3416 /* rename the main outs. Leave other IO processors
3417 * with whatever name they already have, because its
3418 * just fine as it is (it will not contain the route
3419 * name if its a port insert, port send or port return).
3423 if (_main_outs->set_name (name)) {
3424 /* XXX returning false here is stupid because
3425 we already changed the route name.
3435 /** Set the name of a route in an XML description.
3436 * @param node XML <Route> node to set the name in.
3437 * @param name New name.
3440 Route::set_name_in_state (XMLNode& node, string const & name)
3442 node.add_property (X_("name"), name);
3444 XMLNodeList children = node.children();
3445 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
3447 if ((*i)->name() == X_("IO")) {
3449 IO::set_name_in_state (**i, name);
3451 } else if ((*i)->name() == X_("Processor")) {
3453 XMLProperty* role = (*i)->property (X_("role"));
3454 if (role && role->value() == X_("Main")) {
3455 (*i)->add_property (X_("name"), name);
3458 } else if ((*i)->name() == X_("Diskstream")) {
3460 (*i)->add_property (X_("playlist"), string_compose ("%1.1", name).c_str());
3461 (*i)->add_property (X_("name"), name);
3467 boost::shared_ptr<Send>
3468 Route::internal_send_for (boost::shared_ptr<const Route> target) const
3470 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3472 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3473 boost::shared_ptr<InternalSend> send;
3475 if ((send = boost::dynamic_pointer_cast<InternalSend>(*i)) != 0) {
3476 if (send->target_route() == target) {
3482 return boost::shared_ptr<Send>();
3485 /** @param c Audio channel index.
3486 * @param yn true to invert phase, otherwise false.
3489 Route::set_phase_invert (uint32_t c, bool yn)
3491 if (_phase_invert[c] != yn) {
3492 _phase_invert[c] = yn;
3493 phase_invert_changed (); /* EMIT SIGNAL */
3494 _session.set_dirty ();
3499 Route::set_phase_invert (boost::dynamic_bitset<> p)
3501 if (_phase_invert != p) {
3503 phase_invert_changed (); /* EMIT SIGNAL */
3504 _session.set_dirty ();
3509 Route::phase_invert (uint32_t c) const
3511 return _phase_invert[c];
3514 boost::dynamic_bitset<>
3515 Route::phase_invert () const
3517 return _phase_invert;
3521 Route::set_denormal_protection (bool yn)
3523 if (_denormal_protection != yn) {
3524 _denormal_protection = yn;
3525 denormal_protection_changed (); /* EMIT SIGNAL */
3530 Route::denormal_protection () const
3532 return _denormal_protection;
3536 Route::set_active (bool yn, void* src)
3538 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_route_active()) {
3539 _route_group->foreach_route (boost::bind (&Route::set_active, _1, yn, _route_group));
3543 if (_active != yn) {
3545 _input->set_active (yn);
3546 _output->set_active (yn);
3547 active_changed (); // EMIT SIGNAL
3548 _session.set_dirty ();
3555 Glib::Threads::RWLock::ReaderLock rm (_processor_lock, Glib::Threads::TRY_LOCK);
3561 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3563 boost::shared_ptr<Send> s;
3564 boost::shared_ptr<Return> r;
3566 if ((s = boost::dynamic_pointer_cast<Send> (*i)) != 0) {
3567 s->meter()->meter();
3568 } else if ((r = boost::dynamic_pointer_cast<Return> (*i)) != 0) {
3569 r->meter()->meter ();
3574 boost::shared_ptr<Pannable>
3575 Route::pannable() const
3580 boost::shared_ptr<Panner>
3581 Route::panner() const
3584 return _main_outs->panner_shell()->panner();
3587 boost::shared_ptr<PannerShell>
3588 Route::panner_shell() const
3590 return _main_outs->panner_shell();
3593 boost::shared_ptr<AutomationControl>
3594 Route::gain_control() const
3596 return _amp->gain_control();
3599 boost::shared_ptr<AutomationControl>
3600 Route::get_control (const Evoral::Parameter& param)
3602 /* either we own the control or .... */
3604 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(control (param));
3608 /* maybe one of our processors does or ... */
3610 Glib::Threads::RWLock::ReaderLock rm (_processor_lock, Glib::Threads::TRY_LOCK);
3611 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3612 if ((c = boost::dynamic_pointer_cast<AutomationControl>((*i)->control (param))) != 0) {
3620 /* nobody does so we'll make a new one */
3622 c = boost::dynamic_pointer_cast<AutomationControl>(control_factory(param));
3629 boost::shared_ptr<Processor>
3630 Route::nth_plugin (uint32_t n)
3632 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3633 ProcessorList::iterator i;
3635 for (i = _processors.begin(); i != _processors.end(); ++i) {
3636 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
3643 return boost::shared_ptr<Processor> ();
3646 boost::shared_ptr<Processor>
3647 Route::nth_send (uint32_t n)
3649 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3650 ProcessorList::iterator i;
3652 for (i = _processors.begin(); i != _processors.end(); ++i) {
3653 if (boost::dynamic_pointer_cast<Send> (*i)) {
3660 return boost::shared_ptr<Processor> ();
3664 Route::has_io_processor_named (const string& name)
3666 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3667 ProcessorList::iterator i;
3669 for (i = _processors.begin(); i != _processors.end(); ++i) {
3670 if (boost::dynamic_pointer_cast<Send> (*i) ||
3671 boost::dynamic_pointer_cast<PortInsert> (*i)) {
3672 if ((*i)->name() == name) {
3681 MuteMaster::MutePoint
3682 Route::mute_points () const
3684 return _mute_master->mute_points ();
3688 Route::set_processor_positions ()
3690 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3692 bool had_amp = false;
3693 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3694 (*i)->set_pre_fader (!had_amp);
3695 if (boost::dynamic_pointer_cast<Amp> (*i)) {
3701 /** Called when there is a proposed change to the input port count */
3703 Route::input_port_count_changing (ChanCount to)
3705 list<pair<ChanCount, ChanCount> > c = try_configure_processors (to, 0);
3707 /* The processors cannot be configured with the new input arrangement, so
3713 /* The change is ok */
3718 Route::unknown_processors () const
3722 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3723 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3724 if (boost::dynamic_pointer_cast<UnknownProcessor const> (*i)) {
3725 p.push_back ((*i)->name ());
3734 Route::update_port_latencies (PortSet& from, PortSet& to, bool playback, framecnt_t our_latency) const
3736 /* we assume that all our input ports feed all our output ports. its not
3737 universally true, but the alternative is way too corner-case to worry about.
3740 jack_latency_range_t all_connections;
3743 all_connections.min = 0;
3744 all_connections.max = 0;
3746 all_connections.min = ~((jack_nframes_t) 0);
3747 all_connections.max = 0;
3749 /* iterate over all "from" ports and determine the latency range for all of their
3750 connections to the "outside" (outside of this Route).
3753 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
3755 jack_latency_range_t range;
3757 p->get_connected_latency_range (range, playback);
3759 all_connections.min = min (all_connections.min, range.min);
3760 all_connections.max = max (all_connections.max, range.max);
3764 /* set the "from" port latencies to the max/min range of all their connections */
3766 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
3767 p->set_private_latency_range (all_connections, playback);
3770 /* set the ports "in the direction of the flow" to the same value as above plus our own signal latency */
3772 all_connections.min += our_latency;
3773 all_connections.max += our_latency;
3775 for (PortSet::iterator p = to.begin(); p != to.end(); ++p) {
3776 p->set_private_latency_range (all_connections, playback);
3779 return all_connections.max;
3783 Route::set_private_port_latencies (bool playback) const
3785 framecnt_t own_latency = 0;
3787 /* Processor list not protected by lock: MUST BE CALLED FROM PROCESS THREAD
3788 OR LATENCY CALLBACK.
3790 This is called (early) from the latency callback. It computes the REAL
3791 latency associated with each port and stores the result as the "private"
3792 latency of the port. A later call to Route::set_public_port_latencies()
3793 sets all ports to the same value to reflect the fact that we do latency
3794 compensation and so all signals are delayed by the same amount as they
3795 flow through ardour.
3798 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
3799 if ((*i)->active ()) {
3800 own_latency += (*i)->signal_latency ();
3805 /* playback: propagate latency from "outside the route" to outputs to inputs */
3806 return update_port_latencies (_output->ports (), _input->ports (), true, own_latency);
3808 /* capture: propagate latency from "outside the route" to inputs to outputs */
3809 return update_port_latencies (_input->ports (), _output->ports (), false, own_latency);
3814 Route::set_public_port_latencies (framecnt_t value, bool playback) const
3816 /* this is called to set the JACK-visible port latencies, which take
3817 latency compensation into account.
3820 jack_latency_range_t range;
3826 const PortSet& ports (_input->ports());
3827 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
3828 p->set_public_latency_range (range, playback);
3833 const PortSet& ports (_output->ports());
3834 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
3835 p->set_public_latency_range (range, playback);
3840 /** Put the invisible processors in the right place in _processors.
3841 * Must be called with a writer lock on _processor_lock held.
3844 Route::setup_invisible_processors ()
3847 Glib::Threads::RWLock::WriterLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
3848 assert (!lm.locked ());
3852 /* too early to be doing this stuff */
3856 /* we'll build this new list here and then use it */
3858 ProcessorList new_processors;
3860 /* find visible processors */
3862 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3863 if ((*i)->display_to_user ()) {
3864 new_processors.push_back (*i);
3870 ProcessorList::iterator amp = new_processors.begin ();
3871 while (amp != new_processors.end() && boost::dynamic_pointer_cast<Amp> (*amp) == 0) {
3875 assert (amp != _processors.end ());
3877 /* and the processor after the amp */
3879 ProcessorList::iterator after_amp = amp;
3885 switch (_meter_point) {
3887 assert (!_meter->display_to_user ());
3888 new_processors.push_front (_meter);
3891 assert (!_meter->display_to_user ());
3892 new_processors.insert (amp, _meter);
3894 case MeterPostFader:
3895 /* do nothing here */
3898 /* do nothing here */
3901 /* the meter is visible, so we don't touch it here */
3908 assert (_main_outs);
3909 assert (!_main_outs->display_to_user ());
3910 new_processors.push_back (_main_outs);
3912 /* iterator for the main outs */
3914 ProcessorList::iterator main = new_processors.end();
3917 /* OUTPUT METERING */
3919 if (_meter && (_meter_point == MeterOutput || _meter_point == MeterPostFader)) {
3920 assert (!_meter->display_to_user ());
3922 /* add the processor just before or just after the main outs */
3924 ProcessorList::iterator meter_point = main;
3926 if (_meter_point == MeterOutput) {
3929 new_processors.insert (meter_point, _meter);
3934 if (_monitor_send && !is_monitor ()) {
3935 assert (!_monitor_send->display_to_user ());
3936 if (Config->get_solo_control_is_listen_control()) {
3937 switch (Config->get_listen_position ()) {
3938 case PreFaderListen:
3939 switch (Config->get_pfl_position ()) {
3940 case PFLFromBeforeProcessors:
3941 new_processors.push_front (_monitor_send);
3943 case PFLFromAfterProcessors:
3944 new_processors.insert (amp, _monitor_send);
3947 _monitor_send->set_can_pan (false);
3949 case AfterFaderListen:
3950 switch (Config->get_afl_position ()) {
3951 case AFLFromBeforeProcessors:
3952 new_processors.insert (after_amp, _monitor_send);
3954 case AFLFromAfterProcessors:
3955 new_processors.insert (new_processors.end(), _monitor_send);
3958 _monitor_send->set_can_pan (true);
3962 new_processors.insert (new_processors.end(), _monitor_send);
3963 _monitor_send->set_can_pan (false);
3967 /* MONITOR CONTROL */
3969 if (_monitor_control && is_monitor ()) {
3970 assert (!_monitor_control->display_to_user ());
3971 new_processors.push_front (_monitor_control);
3974 /* INTERNAL RETURN */
3976 /* doing this here means that any monitor control will come just after
3981 assert (!_intreturn->display_to_user ());
3982 new_processors.push_front (_intreturn);
3985 /* EXPORT PROCESSOR */
3987 if (_capturing_processor) {
3988 assert (!_capturing_processor->display_to_user ());
3989 new_processors.push_front (_capturing_processor);
3992 _processors = new_processors;
3994 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: setup_invisible_processors\n", _name));
3995 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3996 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1\n", (*i)->name ()));
4003 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
4004 Glib::Threads::RWLock::ReaderLock lp (_processor_lock);
4008 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4009 boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery>(*i);
4016 /** If the meter point is `Custom', make a note of where the meter is.
4017 * This is so that if the meter point is subsequently set to something else,
4018 * and then back to custom, we can put the meter back where it was last time
4019 * custom was enabled.
4021 * Must be called with the _processor_lock held.
4024 Route::maybe_note_meter_position ()
4026 if (_meter_point != MeterCustom) {
4030 _custom_meter_position_noted = true;
4031 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4032 if (boost::dynamic_pointer_cast<PeakMeter> (*i)) {
4033 ProcessorList::iterator j = i;
4035 if (j != _processors.end ()) {
4036 _processor_after_last_custom_meter = *j;
4037 _last_custom_meter_was_at_end = false;
4039 _last_custom_meter_was_at_end = true;
4045 boost::shared_ptr<Processor>
4046 Route::processor_by_id (PBD::ID id) const
4048 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4049 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4050 if ((*i)->id() == id) {
4055 return boost::shared_ptr<Processor> ();
4058 /** @return the monitoring state, or in other words what data we are pushing
4059 * into the route (data from the inputs, data from disk or silence)
4062 Route::monitoring_state () const
4064 return MonitoringInput;
4067 /** @return what we should be metering; either the data coming from the input
4068 * IO or the data that is flowing through the route.
4071 Route::metering_state () const
4073 return MeteringRoute;
4077 Route::has_external_redirects () const
4079 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4081 /* ignore inactive processors and obviously ignore the main
4082 * outs since everything has them and we don't care.
4085 if ((*i)->active() && (*i) != _main_outs && (*i)->does_routing()) {
4093 boost::shared_ptr<Processor>
4094 Route::the_instrument () const
4096 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
4097 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4098 if (boost::dynamic_pointer_cast<PluginInsert>(*i)) {
4099 if ((*i)->input_streams().n_midi() > 0 &&
4100 (*i)->output_streams().n_audio() > 0) {
4105 return boost::shared_ptr<Processor>();
4109 Route::non_realtime_locate (framepos_t pos)
4112 _pannable->transport_located (pos);
4116 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
4118 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4119 (*i)->transport_located (pos);