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/audio_track.h"
41 #include "ardour/audio_port.h"
42 #include "ardour/audioengine.h"
43 #include "ardour/buffer.h"
44 #include "ardour/buffer_set.h"
45 #include "ardour/capturing_processor.h"
46 #include "ardour/debug.h"
47 #include "ardour/delivery.h"
48 #include "ardour/internal_return.h"
49 #include "ardour/internal_send.h"
50 #include "ardour/meter.h"
51 #include "ardour/delayline.h"
52 #include "ardour/midi_buffer.h"
53 #include "ardour/midi_port.h"
54 #include "ardour/monitor_processor.h"
55 #include "ardour/pannable.h"
56 #include "ardour/panner.h"
57 #include "ardour/panner_shell.h"
58 #include "ardour/plugin_insert.h"
59 #include "ardour/port.h"
60 #include "ardour/port_insert.h"
61 #include "ardour/processor.h"
62 #include "ardour/profile.h"
63 #include "ardour/route.h"
64 #include "ardour/route_group.h"
65 #include "ardour/send.h"
66 #include "ardour/session.h"
67 #include "ardour/unknown_processor.h"
68 #include "ardour/utils.h"
73 using namespace ARDOUR;
76 PBD::Signal0<void> Route::SyncOrderKeys;
77 PBD::Signal0<void> Route::RemoteControlIDChange;
79 Route::Route (Session& sess, string name, Flag flg, DataType default_type)
80 : SessionObject (sess, name)
82 , GraphNode (sess._process_graph)
85 , _signal_latency_at_amp_position (0)
86 , _signal_latency_at_trim_position (0)
89 , _pending_process_reorder (0)
90 , _pending_signals (0)
92 , _pending_declick (true)
93 , _meter_point (MeterPostFader)
94 , _pending_meter_point (MeterPostFader)
95 , _meter_type (MeterPeak)
97 , _soloed_by_others_upstream (0)
98 , _soloed_by_others_downstream (0)
99 , _solo_isolated (false)
100 , _solo_isolated_by_upstream (0)
101 , _denormal_protection (false)
104 , _declickable (false)
105 , _mute_master (new MuteMaster (sess, name))
106 , _have_internal_generator (false)
108 , _default_type (default_type)
110 , _has_order_key (false)
111 , _remote_control_id (0)
113 , _in_configure_processors (false)
114 , _initial_io_setup (false)
115 , _custom_meter_position_noted (false)
117 processor_max_streams.reset();
123 /* set default meter type */
125 _meter_type = Config->get_meter_type_master ();
127 else if (dynamic_cast<Track*>(this)) {
128 _meter_type = Config->get_meter_type_track ();
130 _meter_type = Config->get_meter_type_bus ();
133 /* add standard controls */
135 _solo_control.reset (new SoloControllable (X_("solo"), shared_from_this ()));
136 _mute_control.reset (new MuteControllable (X_("mute"), shared_from_this ()));
138 _solo_control->set_flags (Controllable::Flag (_solo_control->flags() | Controllable::Toggle));
139 _mute_control->set_flags (Controllable::Flag (_mute_control->flags() | Controllable::Toggle));
141 add_control (_solo_control);
142 add_control (_mute_control);
146 if (!(_flags & Route::MonitorOut)) {
147 _pannable.reset (new Pannable (_session));
150 /* input and output objects */
152 _input.reset (new IO (_session, _name, IO::Input, _default_type));
153 _output.reset (new IO (_session, _name, IO::Output, _default_type));
155 _input->changed.connect_same_thread (*this, boost::bind (&Route::input_change_handler, this, _1, _2));
156 _input->PortCountChanging.connect_same_thread (*this, boost::bind (&Route::input_port_count_changing, this, _1));
158 _output->changed.connect_same_thread (*this, boost::bind (&Route::output_change_handler, this, _1, _2));
159 _output->PortCountChanging.connect_same_thread (*this, boost::bind (&Route::output_port_count_changing, this, _1));
161 #if 0 // not used - just yet
162 if (!is_master() && !is_monitor() && !is_auditioner()) {
163 _delayline.reset (new DelayLine (_session, _name));
164 add_processor (_delayline, PreFader);
168 /* add amp processor */
170 _amp.reset (new Amp (_session));
171 add_processor (_amp, PostFader);
174 _trim.reset (new Amp (_session, "trim"));
175 _trim->set_display_to_user (false);
177 if (dynamic_cast<AudioTrack*>(this)) {
178 /* we can't do this in the AudioTrack's constructor
179 * because _trim does not exit then
183 else if (!dynamic_cast<Track*>(this) && ! ( is_monitor() || is_auditioner() )) {
188 /* create standard processors: meter, main outs, monitor out;
189 they will be added to _processors by setup_invisible_processors ()
192 _meter.reset (new PeakMeter (_session, _name));
193 _meter->set_owner (this);
194 _meter->set_display_to_user (false);
197 _main_outs.reset (new Delivery (_session, _output, _pannable, _mute_master, _name, Delivery::Main));
198 _main_outs->activate ();
201 /* where we listen to tracks */
202 _intreturn.reset (new InternalReturn (_session));
203 _intreturn->activate ();
205 /* the thing that provides proper control over a control/monitor/listen bus
206 (such as per-channel cut, dim, solo, invert, etc).
208 _monitor_control.reset (new MonitorProcessor (_session));
209 _monitor_control->activate ();
212 if (is_master() || is_monitor() || is_auditioner()) {
213 _mute_master->set_solo_ignore (true);
216 /* now that we have _meter, its safe to connect to this */
219 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
220 configure_processors (0);
228 DEBUG_TRACE (DEBUG::Destruction, string_compose ("route %1 destructor\n", _name));
230 /* do this early so that we don't get incoming signals as we are going through destruction
235 /* don't use clear_processors here, as it depends on the session which may
236 be half-destroyed by now
239 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
240 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
241 (*i)->drop_references ();
244 _processors.clear ();
248 Route::set_remote_control_id (uint32_t id, bool notify_class_listeners)
250 if (Config->get_remote_model() != UserOrdered) {
254 set_remote_control_id_internal (id, notify_class_listeners);
258 Route::set_remote_control_id_internal (uint32_t id, bool notify_class_listeners)
260 /* force IDs for master/monitor busses and prevent
261 any other route from accidentally getting these IDs
262 (i.e. legacy sessions)
265 if (is_master() && id != MasterBusRemoteControlID) {
266 id = MasterBusRemoteControlID;
269 if (is_monitor() && id != MonitorBusRemoteControlID) {
270 id = MonitorBusRemoteControlID;
277 /* don't allow it to collide */
279 if (!is_master () && !is_monitor() &&
280 (id == MasterBusRemoteControlID || id == MonitorBusRemoteControlID)) {
281 id += MonitorBusRemoteControlID;
284 if (id != remote_control_id()) {
285 _remote_control_id = id;
286 RemoteControlIDChanged ();
288 if (notify_class_listeners) {
289 RemoteControlIDChange ();
295 Route::remote_control_id() const
298 return MasterBusRemoteControlID;
302 return MonitorBusRemoteControlID;
305 return _remote_control_id;
309 Route::has_order_key () const
311 return _has_order_key;
315 Route::order_key () const
321 Route::set_remote_control_id_explicit (uint32_t rid)
323 if (is_master() || is_monitor() || is_auditioner()) {
324 /* hard-coded remote IDs, or no remote ID */
328 if (_remote_control_id != rid) {
329 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1: set edit-based RID to %2\n", name(), rid));
330 _remote_control_id = rid;
331 RemoteControlIDChanged (); /* EMIT SIGNAL (per-route) */
334 /* don't emit the class-level RID signal RemoteControlIDChange here,
335 leave that to the entity that changed the order key, so that we
336 don't get lots of emissions for no good reasons (e.g. when changing
337 all route order keys).
339 See Session::sync_remote_id_from_order_keys() for the (primary|only)
340 spot where that is emitted.
345 Route::set_order_key (uint32_t n)
347 _has_order_key = true;
349 if (_order_key == n) {
355 DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("%1 order key set to %2\n",
356 name(), order_key ()));
358 _session.set_dirty ();
362 Route::ensure_track_or_route_name(string name, Session &session)
364 string newname = name;
366 while (!session.io_name_is_legal (newname)) {
367 newname = bump_name_once (newname, ' ');
374 Route::inc_gain (gain_t fraction, void *src)
376 _amp->inc_gain (fraction, src);
380 Route::set_gain (gain_t val, void *src)
382 if (src != 0 && _route_group && src != _route_group && _route_group->is_active() && _route_group->is_gain()) {
384 if (_route_group->is_relative()) {
386 gain_t usable_gain = _amp->gain();
387 if (usable_gain < 0.000001f) {
388 usable_gain = 0.000001f;
392 if (delta < 0.000001f) {
396 delta -= usable_gain;
401 gain_t factor = delta / usable_gain;
404 factor = _route_group->get_max_factor(factor);
405 if (factor == 0.0f) {
406 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
410 factor = _route_group->get_min_factor(factor);
411 if (factor == 0.0f) {
412 _amp->gain_control()->Changed(); /* EMIT SIGNAL */
417 _route_group->foreach_route (boost::bind (&Route::inc_gain, _1, factor, _route_group));
421 _route_group->foreach_route (boost::bind (&Route::set_gain, _1, val, _route_group));
427 if (val == _amp->gain()) {
431 _amp->set_gain (val, src);
435 Route::inc_trim (gain_t fraction, void *src)
437 _trim->inc_gain (fraction, src);
441 Route::set_trim (gain_t val, void * /* src */)
443 // TODO route group, see set_gain()
444 _trim->set_gain (val, 0);
448 Route::maybe_declick (BufferSet&, framecnt_t, int)
450 /* this is the "bus" implementation and they never declick.
455 /** Process this route for one (sub) cycle (process thread)
457 * @param bufs Scratch buffers to use for the signal path
458 * @param start_frame Initial transport frame
459 * @param end_frame Final transport frame
460 * @param nframes Number of frames to output (to ports)
462 * Note that (end_frame - start_frame) may not be equal to nframes when the
463 * transport speed isn't 1.0 (eg varispeed).
466 Route::process_output_buffers (BufferSet& bufs,
467 framepos_t start_frame, framepos_t end_frame, pframes_t nframes,
468 int declick, bool gain_automation_ok)
470 /* Caller must hold process lock */
471 assert (!AudioEngine::instance()->process_lock().trylock());
473 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
475 // can this actually happen? functions calling process_output_buffers()
476 // already take a reader-lock.
477 bufs.silence (nframes, 0);
481 /* figure out if we're going to use gain automation */
482 if (gain_automation_ok) {
483 _amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
484 _amp->setup_gain_automation (
485 start_frame + _signal_latency_at_amp_position,
486 end_frame + _signal_latency_at_amp_position,
489 _trim->set_gain_automation_buffer (_session.trim_automation_buffer ());
490 _trim->setup_gain_automation (
491 start_frame + _signal_latency_at_trim_position,
492 end_frame + _signal_latency_at_trim_position,
495 _amp->apply_gain_automation (false);
496 _trim->apply_gain_automation (false);
499 /* Tell main outs what to do about monitoring. We do this so that
500 on a transition between monitoring states we get a de-clicking gain
501 change in the _main_outs delivery, if config.get_use_monitor_fades()
504 We override this in the case where we have an internal generator.
506 bool silence = _have_internal_generator ? false : (monitoring_state () == MonitoringSilence);
508 _main_outs->no_outs_cuz_we_no_monitor (silence);
510 /* -------------------------------------------------------------------------------------------
511 GLOBAL DECLICK (for transport changes etc.)
512 ----------------------------------------------------------------------------------------- */
514 maybe_declick (bufs, nframes, declick);
515 _pending_declick = 0;
517 /* -------------------------------------------------------------------------------------------
518 DENORMAL CONTROL/PHASE INVERT
519 ----------------------------------------------------------------------------------------- */
521 if (_phase_invert.any ()) {
525 if (_denormal_protection || Config->get_denormal_protection()) {
527 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
528 Sample* const sp = i->data();
530 if (_phase_invert[chn]) {
531 for (pframes_t nx = 0; nx < nframes; ++nx) {
536 for (pframes_t nx = 0; nx < nframes; ++nx) {
544 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i, ++chn) {
545 Sample* const sp = i->data();
547 if (_phase_invert[chn]) {
548 for (pframes_t nx = 0; nx < nframes; ++nx) {
557 if (_denormal_protection || Config->get_denormal_protection()) {
559 for (BufferSet::audio_iterator i = bufs.audio_begin(); i != bufs.audio_end(); ++i) {
560 Sample* const sp = i->data();
561 for (pframes_t nx = 0; nx < nframes; ++nx) {
569 /* -------------------------------------------------------------------------------------------
571 ----------------------------------------------------------------------------------------- */
573 /* set this to be true if the meter will already have been ::run() earlier */
574 bool const meter_already_run = metering_state() == MeteringInput;
576 framecnt_t latency = 0;
578 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
580 if (meter_already_run && boost::dynamic_pointer_cast<PeakMeter> (*i)) {
581 /* don't ::run() the meter, otherwise it will have its previous peak corrupted */
586 /* if it has any inputs, make sure they match */
587 if (boost::dynamic_pointer_cast<UnknownProcessor> (*i) == 0 && (*i)->input_streams() != ChanCount::ZERO) {
588 if (bufs.count() != (*i)->input_streams()) {
590 DEBUG::Processors, string_compose (
591 "input port mismatch %1 bufs = %2 input for %3 = %4\n",
592 _name, bufs.count(), (*i)->name(), (*i)->input_streams()
599 /* should we NOT run plugins here if the route is inactive?
600 do we catch route != active somewhere higher?
603 if (boost::dynamic_pointer_cast<Send>(*i) != 0) {
604 boost::dynamic_pointer_cast<Send>(*i)->set_delay_in(_signal_latency - latency);
607 (*i)->run (bufs, start_frame - latency, end_frame - latency, nframes, *i != _processors.back());
608 bufs.set_count ((*i)->output_streams());
610 if ((*i)->active ()) {
611 latency += (*i)->signal_latency ();
617 Route::bounce_process (BufferSet& buffers, framepos_t start, framecnt_t nframes,
618 boost::shared_ptr<Processor> endpoint,
619 bool include_endpoint, bool for_export, bool for_freeze)
621 /* If no processing is required, there's no need to go any further. */
622 if (!endpoint && !include_endpoint) {
626 framecnt_t latency = bounce_get_latency(_amp, false, for_export, for_freeze);
627 _amp->set_gain_automation_buffer (_session.gain_automation_buffer ());
628 _amp->setup_gain_automation (start - latency, start - latency + nframes, nframes);
630 /* trim is always at the top, for bounce no latency compensation is needed */
631 _trim->set_gain_automation_buffer (_session.trim_automation_buffer ());
632 _trim->setup_gain_automation (start, start + nframes, nframes);
635 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
637 if (!include_endpoint && (*i) == endpoint) {
641 /* if we're not exporting, stop processing if we come across a routing processor. */
642 if (!for_export && boost::dynamic_pointer_cast<PortInsert>(*i)) {
645 if (!for_export && for_freeze && (*i)->does_routing() && (*i)->active()) {
649 /* don't run any processors that does routing.
650 * oh, and don't bother with the peak meter either.
652 if (!(*i)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*i)) {
653 (*i)->run (buffers, start - latency, start - latency + nframes, nframes, true);
654 buffers.set_count ((*i)->output_streams());
655 latency += (*i)->signal_latency ();
658 if ((*i) == endpoint) {
665 Route::bounce_get_latency (boost::shared_ptr<Processor> endpoint,
666 bool include_endpoint, bool for_export, bool for_freeze) const
668 framecnt_t latency = 0;
669 if (!endpoint && !include_endpoint) {
673 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
674 if (!include_endpoint && (*i) == endpoint) {
677 if (!for_export && boost::dynamic_pointer_cast<PortInsert>(*i)) {
680 if (!for_export && for_freeze && (*i)->does_routing() && (*i)->active()) {
683 if (!(*i)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*i)) {
684 latency += (*i)->signal_latency ();
686 if ((*i) == endpoint) {
694 Route::bounce_get_output_streams (ChanCount &cc, boost::shared_ptr<Processor> endpoint,
695 bool include_endpoint, bool for_export, bool for_freeze) const
697 if (!endpoint && !include_endpoint) {
701 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
702 if (!include_endpoint && (*i) == endpoint) {
705 if (!for_export && boost::dynamic_pointer_cast<PortInsert>(*i)) {
708 if (!for_export && for_freeze && (*i)->does_routing() && (*i)->active()) {
711 if (!(*i)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*i)) {
712 cc = (*i)->output_streams();
714 if ((*i) == endpoint) {
722 Route::n_process_buffers ()
724 return max (_input->n_ports(), processor_max_streams);
728 Route::monitor_run (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
730 assert (is_monitor());
731 BufferSet& bufs (_session.get_route_buffers (n_process_buffers()));
732 fill_buffers_with_input (bufs, _input, nframes);
733 passthru (bufs, start_frame, end_frame, nframes, declick);
737 Route::passthru (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
741 if (is_monitor() && _session.listening() && !_session.is_auditioning()) {
743 /* control/monitor bus ignores input ports when something is
744 feeding the listen "stream". data will "arrive" into the
745 route from the intreturn processor element.
748 bufs.silence (nframes, 0);
751 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
752 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, true);
756 Route::passthru_silence (framepos_t start_frame, framepos_t end_frame, pframes_t nframes, int declick)
758 BufferSet& bufs (_session.get_route_buffers (n_process_buffers(), true));
760 bufs.set_count (_input->n_ports());
761 write_out_of_band_data (bufs, start_frame, end_frame, nframes);
762 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, false);
766 Route::set_listen (bool yn, void* src)
772 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
773 _route_group->foreach_route (boost::bind (&Route::set_listen, _1, yn, _route_group));
778 if (yn != _monitor_send->active()) {
780 _monitor_send->activate ();
781 _mute_master->set_soloed_by_self (true);
783 _monitor_send->deactivate ();
784 _mute_master->set_soloed_by_self (false);
786 _mute_master->set_soloed_by_others (false);
788 listen_changed (src); /* EMIT SIGNAL */
794 Route::listening_via_monitor () const
797 return _monitor_send->active ();
804 Route::set_solo_safe (bool yn, void *src)
806 if (_solo_safe != yn) {
808 solo_safe_changed (src);
813 Route::solo_safe() const
819 Route::set_solo (bool yn, void *src)
822 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 ignore solo change due to solo-safe\n", name()));
826 if (is_master() || is_monitor() || is_auditioner()) {
827 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 ignore solo change (master, monitor or auditioner)\n", name()));
831 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
832 _route_group->foreach_route (boost::bind (&Route::set_solo, _1, yn, _route_group));
836 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1: set solo => %2, src: %3 grp ? %4 currently self-soloed ? %5\n",
837 name(), yn, src, (src == _route_group), self_soloed()));
839 if (self_soloed() != yn) {
841 set_mute_master_solo ();
842 solo_changed (true, src); /* EMIT SIGNAL */
843 _solo_control->Changed (); /* EMIT SIGNAL */
846 /* XXX TRACKS DEVELOPERS: THIS LOGIC SUGGESTS THAT YOU ARE NOT AWARE OF
847 Config->get_solo_mute_overrride().
850 if (yn && Profile->get_trx()) {
851 set_mute (false, src);
856 Route::set_self_solo (bool yn)
858 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1: set SELF solo => %2\n", name(), yn));
863 Route::mod_solo_by_others_upstream (int32_t delta)
865 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 mod solo-by-upstream by %2, current up = %3 down = %4\n",
866 name(), delta, _soloed_by_others_upstream, _soloed_by_others_downstream));
868 uint32_t old_sbu = _soloed_by_others_upstream;
871 if (_soloed_by_others_upstream >= (uint32_t) abs (delta)) {
872 _soloed_by_others_upstream += delta;
874 _soloed_by_others_upstream = 0;
877 _soloed_by_others_upstream += delta;
880 DEBUG_TRACE (DEBUG::Solo, string_compose (
881 "%1 SbU delta %2 = %3 old = %4 sbd %5 ss %6 exclusive %7\n",
882 name(), delta, _soloed_by_others_upstream, old_sbu,
883 _soloed_by_others_downstream, _self_solo, Config->get_exclusive_solo()));
885 /* push the inverse solo change to everything that feeds us.
887 This is important for solo-within-group. When we solo 1 track out of N that
888 feed a bus, that track will cause mod_solo_by_upstream (+1) to be called
889 on the bus. The bus then needs to call mod_solo_by_downstream (-1) on all
890 tracks that feed it. This will silence them if they were audible because
891 of a bus solo, but the newly soloed track will still be audible (because
894 but .. do this only when we are being told to solo-by-upstream (i.e delta = +1),
898 if ((_self_solo || _soloed_by_others_downstream) &&
899 ((old_sbu == 0 && _soloed_by_others_upstream > 0) ||
900 (old_sbu > 0 && _soloed_by_others_upstream == 0))) {
902 if (delta > 0 || !Config->get_exclusive_solo()) {
903 DEBUG_TRACE (DEBUG::Solo, string_compose("\t ... INVERT push from %1\n", _name));
904 for (FedBy::iterator i = _fed_by.begin(); i != _fed_by.end(); ++i) {
908 boost::shared_ptr<Route> sr = i->r.lock();
910 sr->mod_solo_by_others_downstream (-delta);
916 set_mute_master_solo ();
917 solo_changed (false, this);
921 Route::mod_solo_by_others_downstream (int32_t delta)
923 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 mod solo-by-downstream by %2, current up = %3 down = %4\n",
924 name(), delta, _soloed_by_others_upstream, _soloed_by_others_downstream));
927 if (_soloed_by_others_downstream >= (uint32_t) abs (delta)) {
928 _soloed_by_others_downstream += delta;
930 _soloed_by_others_downstream = 0;
933 _soloed_by_others_downstream += delta;
936 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 SbD delta %2 = %3\n", name(), delta, _soloed_by_others_downstream));
938 set_mute_master_solo ();
939 solo_changed (false, this);
943 Route::set_mute_master_solo ()
945 _mute_master->set_soloed_by_self (self_soloed());
946 _mute_master->set_soloed_by_others (soloed_by_others_downstream() || soloed_by_others_upstream());
950 Route::mod_solo_isolated_by_upstream (bool yn, void* src)
952 bool old = solo_isolated ();
953 DEBUG_TRACE (DEBUG::Solo, string_compose ("%1 mod_solo_isolated_by_upstream cur: %2 d: %3\n",
954 name(), _solo_isolated_by_upstream, yn ? "+1" : "-1"));
957 if (_solo_isolated_by_upstream >= 1) {
958 _solo_isolated_by_upstream--;
960 _solo_isolated_by_upstream = 0;
963 _solo_isolated_by_upstream++;
966 if (solo_isolated() != old) {
967 /* solo isolated status changed */
968 _mute_master->set_solo_ignore (solo_isolated());
969 solo_isolated_changed (src);
974 Route::set_solo_isolated (bool yn, void *src)
976 if (is_master() || is_monitor() || is_auditioner()) {
980 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_solo()) {
981 _route_group->foreach_route (boost::bind (&Route::set_solo_isolated, _1, yn, _route_group));
985 bool changed = false;
988 if (_solo_isolated == false) {
989 _mute_master->set_solo_ignore (true);
992 _solo_isolated = true;
994 if (_solo_isolated == true) {
995 _solo_isolated = false;
996 _mute_master->set_solo_ignore (false);
1006 /* forward propagate solo-isolate status to everything fed by this route, but not those via sends only */
1008 boost::shared_ptr<RouteList> routes = _session.get_routes ();
1009 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
1011 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
1016 bool does_feed = feeds (*i, &sends_only);
1018 if (does_feed && !sends_only) {
1019 (*i)->mod_solo_isolated_by_upstream (yn, src);
1023 /* XXX should we back-propagate as well? (April 2010: myself and chris goddard think not) */
1025 solo_isolated_changed (src);
1029 Route::solo_isolated () const
1031 return (_solo_isolated == true) || (_solo_isolated_by_upstream > 0);
1035 Route::set_mute_points (MuteMaster::MutePoint mp)
1037 _mute_master->set_mute_points (mp);
1038 mute_points_changed (); /* EMIT SIGNAL */
1040 if (_mute_master->muted_by_self()) {
1041 mute_changed (this); /* EMIT SIGNAL */
1042 _mute_control->Changed (); /* EMIT SIGNAL */
1047 Route::set_mute (bool yn, void *src)
1049 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_mute()) {
1050 _route_group->foreach_route (boost::bind (&Route::set_mute, _1, yn, _route_group));
1054 if (muted() != yn) {
1055 _mute_master->set_muted_by_self (yn);
1056 /* allow any derived classes to respond to the mute change
1057 before anybody else knows about it.
1060 /* tell everyone else */
1061 mute_changed (src); /* EMIT SIGNAL */
1062 _mute_control->Changed (); /* EMIT SIGNAL */
1067 Route::muted () const
1069 return _mute_master->muted_by_self();
1073 Route::muted_by_others () const
1075 // This method is only used by route_ui for display state.
1076 // The real thing is MuteMaster::muted_by_others_at()
1078 //master is never muted by others
1082 //now check to see if something is soloed (and I am not)
1083 //see also MuteMaster::mute_gain_at()
1084 return (_session.soloing() && !soloed() && !solo_isolated());
1089 dump_processors(const string& name, const list<boost::shared_ptr<Processor> >& procs)
1091 cerr << name << " {" << endl;
1092 for (list<boost::shared_ptr<Processor> >::const_iterator p = procs.begin();
1093 p != procs.end(); ++p) {
1094 cerr << "\t" << (*p)->name() << " ID = " << (*p)->id() << " @ " << (*p) << endl;
1096 cerr << "}" << endl;
1100 /** Supposing that we want to insert a Processor at a given Placement, return
1101 * the processor to add the new one before (or 0 to add at the end).
1103 boost::shared_ptr<Processor>
1104 Route::before_processor_for_placement (Placement p)
1106 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1108 ProcessorList::iterator loc;
1110 if (p == PreFader) {
1111 /* generic pre-fader: insert immediately before the amp */
1112 loc = find (_processors.begin(), _processors.end(), _amp);
1114 /* generic post-fader: insert right before the main outs */
1115 loc = find (_processors.begin(), _processors.end(), _main_outs);
1118 return loc != _processors.end() ? *loc : boost::shared_ptr<Processor> ();
1121 /** Supposing that we want to insert a Processor at a given index, return
1122 * the processor to add the new one before (or 0 to add at the end).
1124 boost::shared_ptr<Processor>
1125 Route::before_processor_for_index (int index)
1128 return boost::shared_ptr<Processor> ();
1131 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1133 ProcessorList::iterator i = _processors.begin ();
1135 while (i != _processors.end() && j < index) {
1136 if ((*i)->display_to_user()) {
1143 return (i != _processors.end() ? *i : boost::shared_ptr<Processor> ());
1146 /** Add a processor either pre- or post-fader
1147 * @return 0 on success, non-0 on failure.
1150 Route::add_processor (boost::shared_ptr<Processor> processor, Placement placement, ProcessorStreams* err, bool activation_allowed)
1152 return add_processor (processor, before_processor_for_placement (placement), err, activation_allowed);
1156 /** Add a processor to a route such that it ends up with a given index into the visible processors.
1157 * @param index Index to add the processor at, or -1 to add at the end of the list.
1158 * @return 0 on success, non-0 on failure.
1161 Route::add_processor_by_index (boost::shared_ptr<Processor> processor, int index, ProcessorStreams* err, bool activation_allowed)
1163 return add_processor (processor, before_processor_for_index (index), err, activation_allowed);
1166 /** Add a processor to the route.
1167 * @param before An existing processor in the list, or 0; the new processor will be inserted immediately before it (or at the end).
1168 * @return 0 on success, non-0 on failure.
1171 Route::add_processor (boost::shared_ptr<Processor> processor, boost::shared_ptr<Processor> before, ProcessorStreams* err, bool activation_allowed)
1173 assert (processor != _meter);
1174 assert (processor != _main_outs);
1176 DEBUG_TRACE (DEBUG::Processors, string_compose (
1177 "%1 adding processor %2\n", name(), processor->name()));
1179 if (!AudioEngine::instance()->connected() || !processor) {
1184 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
1185 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1186 ProcessorState pstate (this);
1188 boost::shared_ptr<PluginInsert> pi;
1189 boost::shared_ptr<PortInsert> porti;
1191 if (processor == _amp) {
1192 /* Ensure that only one amp is in the list at any time */
1193 ProcessorList::iterator check = find (_processors.begin(), _processors.end(), processor);
1194 if (check != _processors.end()) {
1195 if (before == _amp) {
1196 /* Already in position; all is well */
1199 _processors.erase (check);
1204 assert (find (_processors.begin(), _processors.end(), processor) == _processors.end ());
1206 ProcessorList::iterator loc;
1208 /* inserting before a processor; find it */
1209 loc = find (_processors.begin(), _processors.end(), before);
1210 if (loc == _processors.end ()) {
1215 /* inserting at end */
1216 loc = _processors.end ();
1219 _processors.insert (loc, processor);
1220 processor->set_owner (this);
1222 // Set up processor list channels. This will set processor->[input|output]_streams(),
1223 // configure redirect ports properly, etc.
1226 if (configure_processors_unlocked (err)) {
1228 configure_processors_unlocked (0); // it worked before we tried to add it ...
1233 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(processor)) != 0) {
1235 if (pi->has_no_inputs ()) {
1236 /* generator plugin */
1237 _have_internal_generator = true;
1242 if (activation_allowed && (!_session.get_bypass_all_loaded_plugins () || !processor->display_to_user ())) {
1243 processor->activate ();
1246 processor->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1248 _output->set_user_latency (0);
1251 reset_instrument_info ();
1252 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1253 set_processor_positions ();
1259 Route::add_processor_from_xml_2X (const XMLNode& node, int version)
1261 const XMLProperty *prop;
1264 boost::shared_ptr<Processor> processor;
1266 /* bit of a hack: get the `placement' property from the <Redirect> tag here
1267 so that we can add the processor in the right place (pre/post-fader)
1270 XMLNodeList const & children = node.children ();
1271 XMLNodeList::const_iterator i = children.begin ();
1273 while (i != children.end() && (*i)->name() != X_("Redirect")) {
1277 Placement placement = PreFader;
1279 if (i != children.end()) {
1280 if ((prop = (*i)->property (X_("placement"))) != 0) {
1281 placement = Placement (string_2_enum (prop->value(), placement));
1285 if (node.name() == "Insert") {
1287 if ((prop = node.property ("type")) != 0) {
1289 if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
1290 prop->value() == "lv2" ||
1291 prop->value() == "windows-vst" ||
1292 prop->value() == "lxvst" ||
1293 prop->value() == "audiounit") {
1295 if (_session.get_disable_all_loaded_plugins ()) {
1296 processor.reset (new UnknownProcessor (_session, node));
1298 processor.reset (new PluginInsert (_session));
1303 processor.reset (new PortInsert (_session, _pannable, _mute_master));
1308 } else if (node.name() == "Send") {
1310 boost::shared_ptr<Pannable> sendpan (new Pannable (_session));
1311 processor.reset (new Send (_session, sendpan, _mute_master));
1315 error << string_compose(_("unknown Processor type \"%1\"; ignored"), node.name()) << endmsg;
1319 if (processor->set_state (node, version)) {
1323 //A2 uses the "active" flag in the toplevel redirect node, not in the child plugin/IO
1324 if (i != children.end()) {
1325 if ((prop = (*i)->property (X_("active"))) != 0) {
1326 if ( string_is_affirmative (prop->value()) && (!_session.get_bypass_all_loaded_plugins () || !processor->display_to_user () ) )
1327 processor->activate();
1329 processor->deactivate();
1333 return (add_processor (processor, placement, 0, false) == 0);
1336 catch (failed_constructor &err) {
1337 warning << _("processor could not be created. Ignored.") << endmsg;
1343 Route::add_processors (const ProcessorList& others, boost::shared_ptr<Processor> before, ProcessorStreams* err)
1345 /* NOTE: this is intended to be used ONLY when copying
1346 processors from another Route. Hence the subtle
1347 differences between this and ::add_processor()
1350 ProcessorList::iterator loc;
1353 loc = find(_processors.begin(), _processors.end(), before);
1355 /* nothing specified - at end */
1356 loc = _processors.end ();
1359 if (!_session.engine().connected()) {
1363 if (others.empty()) {
1368 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
1369 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1370 ProcessorState pstate (this);
1372 for (ProcessorList::const_iterator i = others.begin(); i != others.end(); ++i) {
1378 boost::shared_ptr<PluginInsert> pi;
1380 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1384 _processors.insert (loc, *i);
1385 (*i)->set_owner (this);
1387 if ((*i)->active()) {
1391 /* Think: does this really need to be called for every processor in the loop? */
1393 if (configure_processors_unlocked (err)) {
1395 configure_processors_unlocked (0); // it worked before we tried to add it ...
1400 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
1403 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
1404 boost::shared_ptr<PluginInsert> pi;
1406 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1407 if (pi->has_no_inputs ()) {
1408 _have_internal_generator = true;
1414 _output->set_user_latency (0);
1417 reset_instrument_info ();
1418 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1419 set_processor_positions ();
1425 Route::placement_range(Placement p, ProcessorList::iterator& start, ProcessorList::iterator& end)
1427 if (p == PreFader) {
1428 start = _processors.begin();
1429 end = find(_processors.begin(), _processors.end(), _amp);
1431 start = find(_processors.begin(), _processors.end(), _amp);
1433 end = _processors.end();
1437 /** Turn off all processors with a given placement
1438 * @param p Placement of processors to disable
1441 Route::disable_processors (Placement p)
1443 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1445 ProcessorList::iterator start, end;
1446 placement_range(p, start, end);
1448 for (ProcessorList::iterator i = start; i != end; ++i) {
1449 (*i)->deactivate ();
1452 _session.set_dirty ();
1455 /** Turn off all redirects
1458 Route::disable_processors ()
1460 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1462 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1463 (*i)->deactivate ();
1466 _session.set_dirty ();
1469 /** Turn off all redirects with a given placement
1470 * @param p Placement of redirects to disable
1473 Route::disable_plugins (Placement p)
1475 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1477 ProcessorList::iterator start, end;
1478 placement_range(p, start, end);
1480 for (ProcessorList::iterator i = start; i != end; ++i) {
1481 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1482 (*i)->deactivate ();
1486 _session.set_dirty ();
1489 /** Turn off all plugins
1492 Route::disable_plugins ()
1494 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1496 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1497 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1498 (*i)->deactivate ();
1502 _session.set_dirty ();
1507 Route::ab_plugins (bool forward)
1509 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1513 /* forward = turn off all active redirects, and mark them so that the next time
1514 we go the other way, we will revert them
1517 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1518 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1522 if ((*i)->active()) {
1523 (*i)->deactivate ();
1524 (*i)->set_next_ab_is_active (true);
1526 (*i)->set_next_ab_is_active (false);
1532 /* backward = if the redirect was marked to go active on the next ab, do so */
1534 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1536 if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
1540 if ((*i)->get_next_ab_is_active()) {
1543 (*i)->deactivate ();
1548 _session.set_dirty ();
1552 /** Remove processors with a given placement.
1553 * @param p Placement of processors to remove.
1556 Route::clear_processors (Placement p)
1558 if (!_session.engine().connected()) {
1562 bool already_deleting = _session.deletion_in_progress();
1563 if (!already_deleting) {
1564 _session.set_deletion_in_progress();
1568 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
1569 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1570 ProcessorList new_list;
1571 ProcessorStreams err;
1572 bool seen_amp = false;
1574 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1580 if ((*i) == _amp || (*i) == _meter || (*i) == _main_outs || (*i) == _delayline || (*i) == _trim) {
1582 /* you can't remove these */
1584 new_list.push_back (*i);
1591 new_list.push_back (*i);
1594 (*i)->drop_references ();
1602 (*i)->drop_references ();
1605 new_list.push_back (*i);
1612 _processors = new_list;
1613 configure_processors_unlocked (&err); // this can't fail
1616 processor_max_streams.reset();
1617 _have_internal_generator = false;
1618 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1619 set_processor_positions ();
1621 reset_instrument_info ();
1623 if (!already_deleting) {
1624 _session.clear_deletion_in_progress();
1629 Route::remove_processor (boost::shared_ptr<Processor> processor, ProcessorStreams* err, bool need_process_lock)
1631 // TODO once the export point can be configured properly, do something smarter here
1632 if (processor == _capturing_processor) {
1633 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
1634 if (need_process_lock) {
1638 _capturing_processor.reset();
1640 if (need_process_lock) {
1645 /* these can never be removed */
1647 if (processor == _amp || processor == _meter || processor == _main_outs || processor == _delayline || processor == _trim) {
1651 if (!_session.engine().connected()) {
1655 processor_max_streams.reset();
1658 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock (), Glib::Threads::NOT_LOCK);
1659 if (need_process_lock) {
1663 /* Caller must hold process lock */
1664 assert (!AudioEngine::instance()->process_lock().trylock());
1666 Glib::Threads::RWLock::WriterLock lm (_processor_lock); // XXX deadlock after export
1668 ProcessorState pstate (this);
1670 ProcessorList::iterator i;
1671 bool removed = false;
1673 for (i = _processors.begin(); i != _processors.end(); ) {
1674 if (*i == processor) {
1676 /* move along, see failure case for configure_processors()
1677 where we may need to reconfigure the processor.
1680 /* stop redirects that send signals to JACK ports
1681 from causing noise as a result of no longer being
1685 boost::shared_ptr<IOProcessor> iop;
1687 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (*i)) != 0) {
1691 i = _processors.erase (i);
1699 _output->set_user_latency (0);
1707 if (configure_processors_unlocked (err)) {
1709 /* we know this will work, because it worked before :) */
1710 configure_processors_unlocked (0);
1714 _have_internal_generator = false;
1716 for (i = _processors.begin(); i != _processors.end(); ++i) {
1717 boost::shared_ptr<PluginInsert> pi;
1719 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1720 if (pi->has_no_inputs ()) {
1721 _have_internal_generator = true;
1726 if (need_process_lock) {
1731 reset_instrument_info ();
1732 processor->drop_references ();
1733 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1734 set_processor_positions ();
1740 Route::remove_processors (const ProcessorList& to_be_deleted, ProcessorStreams* err)
1742 ProcessorList deleted;
1744 if (!_session.engine().connected()) {
1748 processor_max_streams.reset();
1751 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
1752 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1753 ProcessorState pstate (this);
1755 ProcessorList::iterator i;
1756 boost::shared_ptr<Processor> processor;
1758 for (i = _processors.begin(); i != _processors.end(); ) {
1762 /* these can never be removed */
1764 if (processor == _amp || processor == _meter || processor == _main_outs || processor == _delayline || processor == _trim) {
1769 /* see if its in the list of processors to delete */
1771 if (find (to_be_deleted.begin(), to_be_deleted.end(), processor) == to_be_deleted.end()) {
1776 /* stop IOProcessors that send to JACK ports
1777 from causing noise as a result of no longer being
1781 boost::shared_ptr<IOProcessor> iop;
1783 if ((iop = boost::dynamic_pointer_cast<IOProcessor> (processor)) != 0) {
1787 deleted.push_back (processor);
1788 i = _processors.erase (i);
1791 if (deleted.empty()) {
1792 /* none of those in the requested list were found */
1796 _output->set_user_latency (0);
1798 if (configure_processors_unlocked (err)) {
1800 /* we know this will work, because it worked before :) */
1801 configure_processors_unlocked (0);
1806 _have_internal_generator = false;
1808 for (i = _processors.begin(); i != _processors.end(); ++i) {
1809 boost::shared_ptr<PluginInsert> pi;
1811 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
1812 if (pi->has_no_inputs ()) {
1813 _have_internal_generator = true;
1820 /* now try to do what we need to so that those that were removed will be deleted */
1822 for (ProcessorList::iterator i = deleted.begin(); i != deleted.end(); ++i) {
1823 (*i)->drop_references ();
1826 reset_instrument_info ();
1827 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
1828 set_processor_positions ();
1834 Route::reset_instrument_info ()
1836 boost::shared_ptr<Processor> instr = the_instrument();
1838 _instrument_info.set_internal_instrument (instr);
1842 /** Caller must hold process lock */
1844 Route::configure_processors (ProcessorStreams* err)
1846 #ifndef PLATFORM_WINDOWS
1847 assert (!AudioEngine::instance()->process_lock().trylock());
1850 if (!_in_configure_processors) {
1851 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
1852 return configure_processors_unlocked (err);
1859 Route::input_streams () const
1861 return _input->n_ports ();
1864 list<pair<ChanCount, ChanCount> >
1865 Route::try_configure_processors (ChanCount in, ProcessorStreams* err)
1867 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1869 return try_configure_processors_unlocked (in, err);
1872 list<pair<ChanCount, ChanCount> >
1873 Route::try_configure_processors_unlocked (ChanCount in, ProcessorStreams* err)
1875 // Check each processor in order to see if we can configure as requested
1877 list<pair<ChanCount, ChanCount> > configuration;
1880 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configure processors\n", _name));
1881 DEBUG_TRACE (DEBUG::Processors, "{\n");
1883 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++index) {
1885 if ((*p)->can_support_io_configuration(in, out)) {
1886 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1 ID=%2 in=%3 out=%4\n",(*p)->name(), (*p)->id(), in, out));
1887 configuration.push_back(make_pair(in, out));
1894 DEBUG_TRACE (DEBUG::Processors, "---- CONFIGURATION FAILED.\n");
1895 DEBUG_TRACE (DEBUG::Processors, string_compose ("---- %1 cannot support in=%2 out=%3\n", (*p)->name(), in, out));
1896 DEBUG_TRACE (DEBUG::Processors, "}\n");
1897 return list<pair<ChanCount, ChanCount> > ();
1901 DEBUG_TRACE (DEBUG::Processors, "}\n");
1903 return configuration;
1906 /** Set the input/output configuration of each processor in the processors list.
1907 * Caller must hold process lock.
1908 * Return 0 on success, otherwise configuration is impossible.
1911 Route::configure_processors_unlocked (ProcessorStreams* err)
1913 #ifndef PLATFORM_WINDOWS
1914 assert (!AudioEngine::instance()->process_lock().trylock());
1917 if (_in_configure_processors) {
1921 /* put invisible processors where they should be */
1922 setup_invisible_processors ();
1924 _in_configure_processors = true;
1926 list<pair<ChanCount, ChanCount> > configuration = try_configure_processors_unlocked (input_streams (), err);
1928 if (configuration.empty ()) {
1929 _in_configure_processors = false;
1934 bool seen_mains_out = false;
1935 processor_out_streams = _input->n_ports();
1936 processor_max_streams.reset();
1938 list< pair<ChanCount,ChanCount> >::iterator c = configuration.begin();
1939 for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++c) {
1941 if (!(*p)->configure_io(c->first, c->second)) {
1942 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configuration failed\n", _name));
1944 processor_max_streams = ChanCount::max(processor_max_streams, c->first);
1945 processor_max_streams = ChanCount::max(processor_max_streams, c->second);
1947 boost::shared_ptr<PluginInsert> pi;
1948 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*p)) != 0) {
1949 /* plugins connected via Split Match may have more channels.
1950 * route/scratch buffers are needed for all of them*/
1951 processor_max_streams = ChanCount::max(processor_max_streams, pi->input_streams());
1952 processor_max_streams = ChanCount::max(processor_max_streams, pi->natural_input_streams());
1956 if (boost::dynamic_pointer_cast<Delivery> (*p)
1957 && boost::dynamic_pointer_cast<Delivery> (*p)->role() == Delivery::Main) {
1958 /* main delivery will increase port count to match input.
1959 * the Delivery::Main is usually the last processor - followed only by
1962 seen_mains_out = true;
1964 if (!seen_mains_out) {
1965 processor_out_streams = out;
1971 _meter->set_max_channels (processor_max_streams);
1974 /* make sure we have sufficient scratch buffers to cope with the new processor
1977 _session.ensure_buffers (n_process_buffers ());
1979 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: configuration complete\n", _name));
1981 _in_configure_processors = false;
1985 /** Set all visible processors to a given active state (except Fader, whose state is not changed)
1986 * @param state New active state for those processors.
1989 Route::all_visible_processors_active (bool state)
1991 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
1993 if (_processors.empty()) {
1997 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
1998 if (!(*i)->display_to_user() || boost::dynamic_pointer_cast<Amp> (*i)) {
2005 (*i)->deactivate ();
2009 _session.set_dirty ();
2013 Route::processors_reorder_needs_configure (const ProcessorList& new_order)
2015 /* check if re-order requires re-configuration of any processors
2016 * -> compare channel configuration for all processors
2018 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
2019 ChanCount c = input_streams ();
2021 for (ProcessorList::const_iterator j = new_order.begin(); j != new_order.end(); ++j) {
2023 if (c != (*j)->input_streams()) {
2026 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
2029 if ((*i)->input_streams() != c) {
2032 c = (*i)->output_streams();
2044 __attribute__((annotate("realtime")))
2047 Route::apply_processor_order (const ProcessorList& new_order)
2049 /* need to hold processor_lock; either read or write lock
2050 * and the engine process_lock.
2051 * Due to r/w lock ambiguity we can only assert the latter
2053 assert (!AudioEngine::instance()->process_lock().trylock());
2056 /* "new_order" is an ordered list of processors to be positioned according to "placement".
2057 * NOTE: all processors in "new_order" MUST be marked as display_to_user(). There maybe additional
2058 * processors in the current actual processor list that are hidden. Any visible processors
2059 * in the current list but not in "new_order" will be assumed to be deleted.
2062 /* "as_it_will_be" and "_processors" are lists of shared pointers.
2063 * actual memory usage is small, but insert/erase is not actually rt-safe :(
2064 * (note though that ::processors_reorder_needs_configure() ensured that
2065 * this function will only ever be called from the rt-thread if no processor were removed)
2067 * either way, I can't proove it, but an x-run due to re-order here is less likley
2068 * than an x-run-less 'ardour-silent cycle' both of which effectively "click".
2071 ProcessorList as_it_will_be;
2072 ProcessorList::iterator oiter;
2073 ProcessorList::const_iterator niter;
2075 oiter = _processors.begin();
2076 niter = new_order.begin();
2078 while (niter != new_order.end()) {
2080 /* if the next processor in the old list is invisible (i.e. should not be in the new order)
2081 then append it to the temp list.
2083 Otherwise, see if the next processor in the old list is in the new list. if not,
2084 its been deleted. If its there, append it to the temp list.
2087 if (oiter == _processors.end()) {
2089 /* no more elements in the old list, so just stick the rest of
2090 the new order onto the temp list.
2093 as_it_will_be.insert (as_it_will_be.end(), niter, new_order.end());
2094 while (niter != new_order.end()) {
2101 if (!(*oiter)->display_to_user()) {
2103 as_it_will_be.push_back (*oiter);
2107 /* visible processor: check that its in the new order */
2109 if (find (new_order.begin(), new_order.end(), (*oiter)) == new_order.end()) {
2110 /* deleted: do nothing, shared_ptr<> will clean up */
2112 /* ignore this one, and add the next item from the new order instead */
2113 as_it_will_be.push_back (*niter);
2118 /* now remove from old order - its taken care of no matter what */
2119 oiter = _processors.erase (oiter);
2123 _processors.insert (oiter, as_it_will_be.begin(), as_it_will_be.end());
2125 /* If the meter is in a custom position, find it and make a rough note of its position */
2126 maybe_note_meter_position ();
2130 Route::reorder_processors (const ProcessorList& new_order, ProcessorStreams* err)
2132 // it a change is already queued, wait for it
2133 // (unless engine is stopped. apply immediately and proceed
2134 while (g_atomic_int_get (&_pending_process_reorder)) {
2135 if (!AudioEngine::instance()->running()) {
2136 DEBUG_TRACE (DEBUG::Processors, "offline apply queued processor re-order.\n");
2137 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
2139 apply_processor_order(_pending_processor_order);
2140 setup_invisible_processors ();
2142 g_atomic_int_set (&_pending_process_reorder, 0);
2144 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
2145 set_processor_positions ();
2147 // TODO rather use a semaphore or something.
2148 // but since ::reorder_processors() is called
2149 // from the GUI thread, this is fine..
2154 if (processors_reorder_needs_configure (new_order) || !AudioEngine::instance()->running()) {
2156 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
2157 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
2158 ProcessorState pstate (this);
2160 apply_processor_order (new_order);
2162 if (configure_processors_unlocked (err)) {
2170 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
2171 set_processor_positions ();
2174 DEBUG_TRACE (DEBUG::Processors, "Queue clickless processor re-order.\n");
2175 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
2177 // _pending_processor_order is protected by _processor_lock
2178 _pending_processor_order = new_order;
2179 g_atomic_int_set (&_pending_process_reorder, 1);
2192 Route::get_template()
2194 return state(false);
2198 Route::state(bool full_state)
2200 XMLNode *node = new XMLNode("Route");
2201 ProcessorList::iterator i;
2204 id().print (buf, sizeof (buf));
2205 node->add_property("id", buf);
2206 node->add_property ("name", _name);
2207 node->add_property("default-type", _default_type.to_string());
2210 node->add_property("flags", enum_2_string (_flags));
2213 node->add_property("active", _active?"yes":"no");
2215 boost::to_string (_phase_invert, p);
2216 node->add_property("phase-invert", p);
2217 node->add_property("denormal-protection", _denormal_protection?"yes":"no");
2218 node->add_property("meter-point", enum_2_string (_meter_point));
2220 node->add_property("meter-type", enum_2_string (_meter_type));
2223 node->add_property("route-group", _route_group->name());
2226 snprintf (buf, sizeof (buf), "%d", _order_key);
2227 node->add_property ("order-key", buf);
2228 node->add_property ("self-solo", (_self_solo ? "yes" : "no"));
2229 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_upstream);
2230 node->add_property ("soloed-by-upstream", buf);
2231 snprintf (buf, sizeof (buf), "%d", _soloed_by_others_downstream);
2232 node->add_property ("soloed-by-downstream", buf);
2233 node->add_property ("solo-isolated", solo_isolated() ? "yes" : "no");
2234 node->add_property ("solo-safe", _solo_safe ? "yes" : "no");
2236 node->add_child_nocopy (_input->state (full_state));
2237 node->add_child_nocopy (_output->state (full_state));
2238 node->add_child_nocopy (_solo_control->get_state ());
2239 node->add_child_nocopy (_mute_control->get_state ());
2240 node->add_child_nocopy (_mute_master->get_state ());
2243 node->add_child_nocopy (Automatable::get_automation_xml_state ());
2246 XMLNode* remote_control_node = new XMLNode (X_("RemoteControl"));
2247 snprintf (buf, sizeof (buf), "%d", _remote_control_id);
2248 remote_control_node->add_property (X_("id"), buf);
2249 node->add_child_nocopy (*remote_control_node);
2251 if (_comment.length()) {
2252 XMLNode *cmt = node->add_child ("Comment");
2253 cmt->add_content (_comment);
2257 node->add_child_nocopy (_pannable->state (full_state));
2260 for (i = _processors.begin(); i != _processors.end(); ++i) {
2262 /* template save: do not include internal sends functioning as
2263 aux sends because the chance of the target ID
2264 in the session where this template is used
2267 similarly, do not save listen sends which connect to
2268 the monitor section, because these will always be
2271 boost::shared_ptr<InternalSend> is;
2273 if ((is = boost::dynamic_pointer_cast<InternalSend> (*i)) != 0) {
2274 if (is->role() == Delivery::Listen) {
2279 node->add_child_nocopy((*i)->state (full_state));
2283 node->add_child_copy (*_extra_xml);
2286 if (_custom_meter_position_noted) {
2287 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
2289 after->id().print (buf, sizeof (buf));
2290 node->add_property (X_("processor-after-last-custom-meter"), buf);
2298 Route::set_state (const XMLNode& node, int version)
2300 if (version < 3000) {
2301 return set_state_2X (node, version);
2305 XMLNodeConstIterator niter;
2307 const XMLProperty *prop;
2309 if (node.name() != "Route"){
2310 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
2314 if ((prop = node.property (X_("name"))) != 0) {
2315 Route::set_name (prop->value());
2319 _initial_io_setup = true;
2321 if ((prop = node.property (X_("flags"))) != 0) {
2322 _flags = Flag (string_2_enum (prop->value(), _flags));
2327 if (is_master() || is_monitor() || is_auditioner()) {
2328 _mute_master->set_solo_ignore (true);
2332 /* monitor bus does not get a panner, but if (re)created
2333 via XML, it will already have one by the time we
2334 call ::set_state(). so ... remove it.
2339 /* add all processors (except amp, which is always present) */
2341 nlist = node.children();
2342 XMLNode processor_state (X_("processor_state"));
2344 Stateful::save_extra_xml (node);
2346 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2350 if (child->name() == IO::state_node_name) {
2351 if ((prop = child->property (X_("direction"))) == 0) {
2355 if (prop->value() == "Input") {
2356 _input->set_state (*child, version);
2357 } else if (prop->value() == "Output") {
2358 _output->set_state (*child, version);
2362 if (child->name() == X_("Processor")) {
2363 processor_state.add_child_copy (*child);
2366 if (child->name() == X_("Pannable")) {
2368 _pannable->set_state (*child, version);
2370 warning << string_compose (_("Pannable state found for route (%1) without a panner!"), name()) << endmsg;
2375 if ((prop = node.property (X_("meter-point"))) != 0) {
2376 MeterPoint mp = MeterPoint (string_2_enum (prop->value (), _meter_point));
2377 set_meter_point (mp, true);
2379 _meter->set_display_to_user (_meter_point == MeterCustom);
2383 if ((prop = node.property (X_("meter-type"))) != 0) {
2384 _meter_type = MeterType (string_2_enum (prop->value (), _meter_type));
2387 _initial_io_setup = false;
2389 set_processor_state (processor_state);
2391 // this looks up the internal instrument in processors
2392 reset_instrument_info();
2394 if ((prop = node.property ("self-solo")) != 0) {
2395 set_self_solo (string_is_affirmative (prop->value()));
2398 if ((prop = node.property ("soloed-by-upstream")) != 0) {
2399 _soloed_by_others_upstream = 0; // needed for mod_.... () to work
2400 mod_solo_by_others_upstream (atoi (prop->value()));
2403 if ((prop = node.property ("soloed-by-downstream")) != 0) {
2404 _soloed_by_others_downstream = 0; // needed for mod_.... () to work
2405 mod_solo_by_others_downstream (atoi (prop->value()));
2408 if ((prop = node.property ("solo-isolated")) != 0) {
2409 set_solo_isolated (string_is_affirmative (prop->value()), this);
2412 if ((prop = node.property ("solo-safe")) != 0) {
2413 set_solo_safe (string_is_affirmative (prop->value()), this);
2416 if ((prop = node.property (X_("phase-invert"))) != 0) {
2417 set_phase_invert (boost::dynamic_bitset<> (prop->value ()));
2420 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2421 set_denormal_protection (string_is_affirmative (prop->value()));
2424 if ((prop = node.property (X_("active"))) != 0) {
2425 bool yn = string_is_affirmative (prop->value());
2426 _active = !yn; // force switch
2427 set_active (yn, this);
2430 if ((prop = node.property (X_("order-key"))) != 0) { // New order key (no separate mixer/editor ordering)
2431 set_order_key (atoi(prop->value()));
2434 if ((prop = node.property (X_("order-keys"))) != 0) { // Deprecated order keys
2438 string::size_type colon, equal;
2439 string remaining = prop->value();
2441 while (remaining.length()) {
2443 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2444 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2447 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2448 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2451 string keyname = remaining.substr (0, equal);
2453 if ((keyname == "EditorSort") || (keyname == "editor")) {
2454 cerr << "Setting " << name() << " order key to " << n << " using saved Editor order." << endl;
2460 colon = remaining.find_first_of (':');
2462 if (colon != string::npos) {
2463 remaining = remaining.substr (colon+1);
2470 if ((prop = node.property (X_("processor-after-last-custom-meter"))) != 0) {
2471 PBD::ID id (prop->value ());
2472 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
2473 ProcessorList::const_iterator i = _processors.begin ();
2474 while (i != _processors.end() && (*i)->id() != id) {
2478 if (i != _processors.end ()) {
2479 _processor_after_last_custom_meter = *i;
2480 _custom_meter_position_noted = true;
2484 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2487 if (child->name() == X_("Comment")) {
2489 /* XXX this is a terrible API design in libxml++ */
2491 XMLNode *cmt = *(child->children().begin());
2492 _comment = cmt->content();
2494 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2495 if (prop->value() == "solo") {
2496 _solo_control->set_state (*child, version);
2497 } else if (prop->value() == "mute") {
2498 _mute_control->set_state (*child, version);
2501 } else if (child->name() == X_("RemoteControl")) {
2502 if ((prop = child->property (X_("id"))) != 0) {
2504 sscanf (prop->value().c_str(), "%d", &x);
2505 set_remote_control_id_internal (x);
2508 } else if (child->name() == X_("MuteMaster")) {
2509 _mute_master->set_state (*child, version);
2511 } else if (child->name() == Automatable::xml_node_name) {
2512 set_automation_xml_state (*child, Evoral::Parameter(NullAutomation));
2520 Route::set_state_2X (const XMLNode& node, int version)
2522 LocaleGuard lg (X_("C"));
2524 XMLNodeConstIterator niter;
2526 const XMLProperty *prop;
2528 /* 2X things which still remain to be handled:
2534 if (node.name() != "Route") {
2535 error << string_compose(_("Bad node sent to Route::set_state() [%1]"), node.name()) << endmsg;
2539 if ((prop = node.property (X_("flags"))) != 0) {
2540 string f = prop->value ();
2541 boost::replace_all (f, "ControlOut", "MonitorOut");
2542 _flags = Flag (string_2_enum (f, _flags));
2547 if (is_master() || is_monitor() || is_auditioner()) {
2548 _mute_master->set_solo_ignore (true);
2551 if ((prop = node.property (X_("phase-invert"))) != 0) {
2552 boost::dynamic_bitset<> p (_input->n_ports().n_audio ());
2553 if (string_is_affirmative (prop->value ())) {
2556 set_phase_invert (p);
2559 if ((prop = node.property (X_("denormal-protection"))) != 0) {
2560 set_denormal_protection (string_is_affirmative (prop->value()));
2563 if ((prop = node.property (X_("soloed"))) != 0) {
2564 bool yn = string_is_affirmative (prop->value());
2566 /* XXX force reset of solo status */
2568 set_solo (yn, this);
2571 if ((prop = node.property (X_("muted"))) != 0) {
2574 bool muted = string_is_affirmative (prop->value());
2580 if ((prop = node.property (X_("mute-affects-pre-fader"))) != 0) {
2582 if (string_is_affirmative (prop->value())){
2583 mute_point = mute_point + "PreFader";
2588 if ((prop = node.property (X_("mute-affects-post-fader"))) != 0) {
2590 if (string_is_affirmative (prop->value())){
2593 mute_point = mute_point + ",";
2596 mute_point = mute_point + "PostFader";
2601 if ((prop = node.property (X_("mute-affects-control-outs"))) != 0) {
2603 if (string_is_affirmative (prop->value())){
2606 mute_point = mute_point + ",";
2609 mute_point = mute_point + "Listen";
2614 if ((prop = node.property (X_("mute-affects-main-outs"))) != 0) {
2616 if (string_is_affirmative (prop->value())){
2619 mute_point = mute_point + ",";
2622 mute_point = mute_point + "Main";
2626 _mute_master->set_mute_points (mute_point);
2627 _mute_master->set_muted_by_self (true);
2631 if ((prop = node.property (X_("meter-point"))) != 0) {
2632 _meter_point = MeterPoint (string_2_enum (prop->value (), _meter_point));
2635 /* do not carry over edit/mix groups from 2.X because (a) its hard (b) they
2636 don't mean the same thing.
2639 if ((prop = node.property (X_("order-keys"))) != 0) {
2643 string::size_type colon, equal;
2644 string remaining = prop->value();
2646 while (remaining.length()) {
2648 if ((equal = remaining.find_first_of ('=')) == string::npos || equal == remaining.length()) {
2649 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2652 if (sscanf (remaining.substr (equal+1).c_str(), "%d", &n) != 1) {
2653 error << string_compose (_("badly formed order key string in state file! [%1] ... ignored."), remaining)
2656 string keyname = remaining.substr (0, equal);
2658 if (keyname == "EditorSort" || keyname == "editor") {
2659 info << string_compose(_("Converting deprecated order key for %1 using Editor order %2"), name (), n) << endmsg;
2665 colon = remaining.find_first_of (':');
2667 if (colon != string::npos) {
2668 remaining = remaining.substr (colon+1);
2677 nlist = node.children ();
2678 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2682 if (child->name() == IO::state_node_name) {
2684 /* there is a note in IO::set_state_2X() about why we have to call
2688 _input->set_state_2X (*child, version, true);
2689 _output->set_state_2X (*child, version, false);
2691 if ((prop = child->property (X_("name"))) != 0) {
2692 Route::set_name (prop->value ());
2697 if ((prop = child->property (X_("active"))) != 0) {
2698 bool yn = string_is_affirmative (prop->value());
2699 _active = !yn; // force switch
2700 set_active (yn, this);
2703 if ((prop = child->property (X_("gain"))) != 0) {
2706 if (sscanf (prop->value().c_str(), "%f", &val) == 1) {
2707 _amp->gain_control()->set_value (val);
2711 /* Set up Panners in the IO */
2712 XMLNodeList io_nlist = child->children ();
2714 XMLNodeConstIterator io_niter;
2717 for (io_niter = io_nlist.begin(); io_niter != io_nlist.end(); ++io_niter) {
2719 io_child = *io_niter;
2721 if (io_child->name() == X_("Panner")) {
2722 _main_outs->panner_shell()->set_state(*io_child, version);
2723 } else if (io_child->name() == X_("Automation")) {
2724 /* IO's automation is for the fader */
2725 _amp->set_automation_xml_state (*io_child, Evoral::Parameter (GainAutomation));
2731 XMLNodeList redirect_nodes;
2733 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2737 if (child->name() == X_("Send") || child->name() == X_("Insert")) {
2738 redirect_nodes.push_back(child);
2743 set_processor_state_2X (redirect_nodes, version);
2745 Stateful::save_extra_xml (node);
2747 for (niter = nlist.begin(); niter != nlist.end(); ++niter){
2750 if (child->name() == X_("Comment")) {
2752 /* XXX this is a terrible API design in libxml++ */
2754 XMLNode *cmt = *(child->children().begin());
2755 _comment = cmt->content();
2757 } else if (child->name() == Controllable::xml_node_name && (prop = child->property("name")) != 0) {
2758 if (prop->value() == X_("solo")) {
2759 _solo_control->set_state (*child, version);
2760 } else if (prop->value() == X_("mute")) {
2761 _mute_control->set_state (*child, version);
2764 } else if (child->name() == X_("RemoteControl")) {
2765 if ((prop = child->property (X_("id"))) != 0) {
2767 sscanf (prop->value().c_str(), "%d", &x);
2768 set_remote_control_id_internal (x);
2778 Route::get_processor_state ()
2780 XMLNode* root = new XMLNode (X_("redirects"));
2781 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2782 root->add_child_nocopy ((*i)->state (true));
2789 Route::set_processor_state_2X (XMLNodeList const & nList, int version)
2791 /* We don't bother removing existing processors not in nList, as this
2792 method will only be called when creating a Route from scratch, not
2793 for undo purposes. Just put processors in at the appropriate place
2797 for (XMLNodeConstIterator i = nList.begin(); i != nList.end(); ++i) {
2798 add_processor_from_xml_2X (**i, version);
2803 Route::set_processor_state (const XMLNode& node)
2805 const XMLNodeList &nlist = node.children();
2806 XMLNodeConstIterator niter;
2807 ProcessorList new_order;
2808 bool must_configure = false;
2810 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2812 XMLProperty* prop = (*niter)->property ("type");
2814 if (prop->value() == "amp") {
2815 _amp->set_state (**niter, Stateful::current_state_version);
2816 new_order.push_back (_amp);
2817 } else if (prop->value() == "trim") {
2818 _trim->set_state (**niter, Stateful::current_state_version);
2819 new_order.push_back (_trim);
2820 } else if (prop->value() == "meter") {
2821 _meter->set_state (**niter, Stateful::current_state_version);
2822 new_order.push_back (_meter);
2823 } else if (prop->value() == "delay") {
2825 _delayline->set_state (**niter, Stateful::current_state_version);
2826 new_order.push_back (_delayline);
2828 } else if (prop->value() == "main-outs") {
2829 _main_outs->set_state (**niter, Stateful::current_state_version);
2830 } else if (prop->value() == "intreturn") {
2832 _intreturn.reset (new InternalReturn (_session));
2833 must_configure = true;
2835 _intreturn->set_state (**niter, Stateful::current_state_version);
2836 } else if (is_monitor() && prop->value() == "monitor") {
2837 if (!_monitor_control) {
2838 _monitor_control.reset (new MonitorProcessor (_session));
2839 must_configure = true;
2841 _monitor_control->set_state (**niter, Stateful::current_state_version);
2842 } else if (prop->value() == "capture") {
2843 /* CapturingProcessor should never be restored, it's always
2844 added explicitly when needed */
2846 ProcessorList::iterator o;
2848 for (o = _processors.begin(); o != _processors.end(); ++o) {
2849 XMLProperty* id_prop = (*niter)->property(X_("id"));
2850 if (id_prop && (*o)->id() == id_prop->value()) {
2851 (*o)->set_state (**niter, Stateful::current_state_version);
2852 new_order.push_back (*o);
2857 // If the processor (*niter) is not on the route then create it
2859 if (o == _processors.end()) {
2861 boost::shared_ptr<Processor> processor;
2863 if (prop->value() == "intsend") {
2865 processor.reset (new InternalSend (_session, _pannable, _mute_master, boost::dynamic_pointer_cast<ARDOUR::Route>(shared_from_this()), boost::shared_ptr<Route>(), Delivery::Aux, true));
2867 } else if (prop->value() == "ladspa" || prop->value() == "Ladspa" ||
2868 prop->value() == "lv2" ||
2869 prop->value() == "windows-vst" ||
2870 prop->value() == "lxvst" ||
2871 prop->value() == "audiounit") {
2873 if (_session.get_disable_all_loaded_plugins ()) {
2874 processor.reset (new UnknownProcessor (_session, **niter));
2876 processor.reset (new PluginInsert (_session));
2878 } else if (prop->value() == "port") {
2880 processor.reset (new PortInsert (_session, _pannable, _mute_master));
2882 } else if (prop->value() == "send") {
2884 processor.reset (new Send (_session, _pannable, _mute_master, Delivery::Send, true));
2887 error << string_compose(_("unknown Processor type \"%1\"; ignored"), prop->value()) << endmsg;
2891 if (processor->set_state (**niter, Stateful::current_state_version) != 0) {
2892 /* This processor could not be configured. Turn it into a UnknownProcessor */
2893 processor.reset (new UnknownProcessor (_session, **niter));
2896 /* we have to note the monitor send here, otherwise a new one will be created
2897 and the state of this one will be lost.
2899 boost::shared_ptr<InternalSend> isend = boost::dynamic_pointer_cast<InternalSend> (processor);
2900 if (isend && isend->role() == Delivery::Listen) {
2901 _monitor_send = isend;
2904 /* it doesn't matter if invisible processors are added here, as they
2905 will be sorted out by setup_invisible_processors () shortly.
2908 new_order.push_back (processor);
2909 must_configure = true;
2915 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
2916 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
2917 _processors = new_order;
2919 if (must_configure) {
2920 configure_processors_unlocked (0);
2923 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
2925 (*i)->set_owner (this);
2926 (*i)->ActiveChanged.connect_same_thread (*this, boost::bind (&Session::update_latency_compensation, &_session, false));
2928 boost::shared_ptr<PluginInsert> pi;
2930 if ((pi = boost::dynamic_pointer_cast<PluginInsert>(*i)) != 0) {
2931 if (pi->has_no_inputs ()) {
2932 _have_internal_generator = true;
2939 reset_instrument_info ();
2940 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
2941 set_processor_positions ();
2945 Route::curve_reallocate ()
2947 // _gain_automation_curve.finish_resize ();
2948 // _pan_automation_curve.finish_resize ();
2952 Route::silence (framecnt_t nframes)
2954 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
2959 silence_unlocked (nframes);
2963 Route::silence_unlocked (framecnt_t nframes)
2965 /* Must be called with the processor lock held */
2969 _output->silence (nframes);
2971 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
2972 boost::shared_ptr<PluginInsert> pi;
2974 if (!_active && (pi = boost::dynamic_pointer_cast<PluginInsert> (*i)) != 0) {
2975 // skip plugins, they don't need anything when we're not active
2979 (*i)->silence (nframes);
2982 if (nframes == _session.get_block_size()) {
2989 Route::add_internal_return ()
2992 _intreturn.reset (new InternalReturn (_session));
2993 add_processor (_intreturn, PreFader);
2998 Route::add_send_to_internal_return (InternalSend* send)
3000 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
3002 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
3003 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
3006 return d->add_send (send);
3012 Route::remove_send_from_internal_return (InternalSend* send)
3014 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
3016 for (ProcessorList::const_iterator x = _processors.begin(); x != _processors.end(); ++x) {
3017 boost::shared_ptr<InternalReturn> d = boost::dynamic_pointer_cast<InternalReturn>(*x);
3020 return d->remove_send (send);
3026 Route::enable_monitor_send ()
3028 /* Caller must hold process lock */
3029 assert (!AudioEngine::instance()->process_lock().trylock());
3031 /* master never sends to monitor section via the normal mechanism */
3032 assert (!is_master ());
3033 assert (!is_monitor ());
3035 /* make sure we have one */
3036 if (!_monitor_send) {
3037 _monitor_send.reset (new InternalSend (_session, _pannable, _mute_master, boost::dynamic_pointer_cast<ARDOUR::Route>(shared_from_this()), _session.monitor_out(), Delivery::Listen));
3038 _monitor_send->set_display_to_user (false);
3042 configure_processors (0);
3045 /** Add an aux send to a route.
3046 * @param route route to send to.
3047 * @param before Processor to insert before, or 0 to insert at the end.
3050 Route::add_aux_send (boost::shared_ptr<Route> route, boost::shared_ptr<Processor> before)
3052 assert (route != _session.monitor_out ());
3055 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
3057 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
3059 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend> (*x);
3061 if (d && d->target_route() == route) {
3062 /* already listening via the specified IO: do nothing */
3070 boost::shared_ptr<InternalSend> listener;
3073 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
3074 boost::shared_ptr<Pannable> sendpan (new Pannable (_session));
3075 listener.reset (new InternalSend (_session, sendpan, _mute_master, boost::dynamic_pointer_cast<ARDOUR::Route>(shared_from_this()), route, Delivery::Aux));
3078 add_processor (listener, before);
3080 } catch (failed_constructor& err) {
3088 Route::remove_aux_or_listen (boost::shared_ptr<Route> route)
3090 ProcessorStreams err;
3091 ProcessorList::iterator tmp;
3094 Glib::Threads::RWLock::ReaderLock rl(_processor_lock);
3096 /* have to do this early because otherwise processor reconfig
3097 * will put _monitor_send back in the list
3100 if (route == _session.monitor_out()) {
3101 _monitor_send.reset ();
3105 for (ProcessorList::iterator x = _processors.begin(); x != _processors.end(); ++x) {
3107 boost::shared_ptr<InternalSend> d = boost::dynamic_pointer_cast<InternalSend>(*x);
3109 if (d && d->target_route() == route) {
3111 if (remove_processor (*x, &err, false) > 0) {
3117 /* list could have been demolished while we dropped the lock
3120 if (_session.engine().connected()) {
3121 /* i/o processors cannot be removed if the engine is not running
3122 * so don't live-loop in case the engine is N/A or dies
3132 Route::set_comment (string cmt, void *src)
3135 comment_changed (src);
3136 _session.set_dirty ();
3140 Route::add_fed_by (boost::shared_ptr<Route> other, bool via_sends_only)
3142 FeedRecord fr (other, via_sends_only);
3144 pair<FedBy::iterator,bool> result = _fed_by.insert (fr);
3146 if (!result.second) {
3148 /* already a record for "other" - make sure sends-only information is correct */
3149 if (!via_sends_only && result.first->sends_only) {
3150 FeedRecord* frp = const_cast<FeedRecord*>(&(*result.first));
3151 frp->sends_only = false;
3155 return result.second;
3159 Route::clear_fed_by ()
3165 Route::feeds (boost::shared_ptr<Route> other, bool* via_sends_only)
3167 const FedBy& fed_by (other->fed_by());
3169 for (FedBy::const_iterator f = fed_by.begin(); f != fed_by.end(); ++f) {
3170 boost::shared_ptr<Route> sr = f->r.lock();
3172 if (sr && (sr.get() == this)) {
3174 if (via_sends_only) {
3175 *via_sends_only = f->sends_only;
3186 Route::direct_feeds_according_to_reality (boost::shared_ptr<Route> other, bool* via_send_only)
3188 DEBUG_TRACE (DEBUG::Graph, string_compose ("Feeds? %1\n", _name));
3190 if (_output->connected_to (other->input())) {
3191 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdirect FEEDS %2\n", other->name()));
3192 if (via_send_only) {
3193 *via_send_only = false;
3200 for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
3202 boost::shared_ptr<IOProcessor> iop;
3204 if ((iop = boost::dynamic_pointer_cast<IOProcessor>(*r)) != 0) {
3205 if (iop->feeds (other)) {
3206 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does feed %2\n", iop->name(), other->name()));
3207 if (via_send_only) {
3208 *via_send_only = true;
3212 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tIOP %1 does NOT feed %2\n", iop->name(), other->name()));
3215 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tPROC %1 is not an IOP\n", (*r)->name()));
3220 DEBUG_TRACE (DEBUG::Graph, string_compose ("\tdoes NOT feed %1\n", other->name()));
3225 Route::direct_feeds_according_to_graph (boost::shared_ptr<Route> other, bool* via_send_only)
3227 return _session._current_route_graph.has (shared_from_this (), other, via_send_only);
3230 /** Called from the (non-realtime) butler thread when the transport is stopped */
3232 Route::nonrealtime_handle_transport_stopped (bool /*abort_ignored*/, bool /*did_locate*/, bool can_flush_processors)
3234 framepos_t now = _session.transport_frame();
3237 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3239 Automatable::transport_stopped (now);
3241 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3243 if (!_have_internal_generator && (Config->get_plugins_stop_with_transport() && can_flush_processors)) {
3247 (*i)->transport_stopped (now);
3251 _roll_delay = _initial_delay;
3255 Route::input_change_handler (IOChange change, void * /*src*/)
3257 if ((change.type & IOChange::ConfigurationChanged)) {
3258 /* This is called with the process lock held if change
3259 contains ConfigurationChanged
3261 configure_processors (0);
3262 _phase_invert.resize (_input->n_ports().n_audio ());
3263 io_changed (); /* EMIT SIGNAL */
3266 if (_soloed_by_others_upstream || _solo_isolated_by_upstream) {
3269 boost::shared_ptr<RouteList> routes = _session.get_routes ();
3270 if (_input->connected()) {
3271 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
3272 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3276 bool does_feed = (*i)->direct_feeds_according_to_reality (shared_from_this(), &sends_only);
3277 if (does_feed && !sends_only) {
3278 if ((*i)->soloed()) {
3281 if ((*i)->solo_isolated()) {
3288 int delta = sbou - _soloed_by_others_upstream;
3289 int idelta = ibou - _solo_isolated_by_upstream;
3292 PBD::warning << string_compose (
3293 _("Invalid Solo-Isolate propagation: from:%1 new:%2 - old:%3 = delta:%4"),
3294 _name, ibou, _solo_isolated_by_upstream, idelta)
3299 if (_soloed_by_others_upstream) {
3300 // ignore new connections (they're not propagated)
3302 mod_solo_by_others_upstream (delta);
3306 if (_solo_isolated_by_upstream) {
3307 // solo-isolate currently only propagates downstream
3309 mod_solo_isolated_by_upstream (false, this);
3311 // TODO think: mod_solo_isolated_by_upstream() does not take delta arg,
3312 // but idelta can't be smaller than -1, can it?
3313 //_solo_isolated_by_upstream = ibou;
3316 // Session::route_solo_changed does not propagate indirect solo-changes
3317 // propagate downstream to tracks
3318 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
3319 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3323 bool does_feed = feeds (*i, &sends_only);
3324 if (delta <= 0 && does_feed && !sends_only) {
3325 (*i)->mod_solo_by_others_upstream (delta);
3328 if (idelta < 0 && does_feed && !sends_only) {
3329 (*i)->mod_solo_isolated_by_upstream (false, this);
3336 Route::output_change_handler (IOChange change, void * /*src*/)
3338 if (_initial_io_setup) {
3342 if ((change.type & IOChange::ConfigurationChanged)) {
3343 /* This is called with the process lock held if change
3344 contains ConfigurationChanged
3346 configure_processors (0);
3349 _session.reset_monitor_section();
3352 io_changed (); /* EMIT SIGNAL */
3355 if (_soloed_by_others_downstream) {
3357 /* checking all all downstream routes for
3358 * explicit of implict solo is a rather drastic measure,
3359 * ideally the input_change_handler() of the other route
3360 * would propagate the change to us.
3362 boost::shared_ptr<RouteList> routes = _session.get_routes ();
3363 if (_output->connected()) {
3364 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
3365 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3369 bool does_feed = direct_feeds_according_to_reality (*i, &sends_only);
3370 if (does_feed && !sends_only) {
3371 if ((*i)->soloed()) {
3378 int delta = sbod - _soloed_by_others_downstream;
3380 // do not allow new connections to change implicit solo (no propagation)
3381 mod_solo_by_others_downstream (delta);
3382 // Session::route_solo_changed() does not propagate indirect solo-changes
3383 // propagate upstream to tracks
3384 for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) {
3385 if ((*i).get() == this || (*i)->is_master() || (*i)->is_monitor() || (*i)->is_auditioner()) {
3389 bool does_feed = (*i)->feeds (shared_from_this(), &sends_only);
3390 if (delta != 0 && does_feed && !sends_only) {
3391 (*i)->mod_solo_by_others_downstream (delta);
3400 Route::pans_required () const
3402 if (n_outputs().n_audio() < 2) {
3406 return max (n_inputs ().n_audio(), processor_max_streams.n_audio());
3410 Route::no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, bool session_state_changing)
3412 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
3418 if (n_outputs().n_total() == 0) {
3422 if (!_active || n_inputs() == ChanCount::ZERO) {
3423 silence_unlocked (nframes);
3427 if (session_state_changing) {
3428 if (_session.transport_speed() != 0.0f) {
3429 /* we're rolling but some state is changing (e.g. our diskstream contents)
3430 so we cannot use them. Be silent till this is over.
3432 XXX note the absurdity of ::no_roll() being called when we ARE rolling!
3434 silence_unlocked (nframes);
3437 /* we're really not rolling, so we're either delivery silence or actually
3438 monitoring, both of which are safe to do while session_state_changing is true.
3442 BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
3444 fill_buffers_with_input (bufs, _input, nframes);
3446 if (_meter_point == MeterInput) {
3447 _meter->run (bufs, start_frame, end_frame, nframes, true);
3450 _amp->apply_gain_automation (false);
3451 _trim->apply_gain_automation (false);
3452 passthru (bufs, start_frame, end_frame, nframes, 0);
3458 Route::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& /* need_butler */)
3460 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
3465 if (n_outputs().n_total() == 0) {
3469 if (!_active || n_inputs().n_total() == 0) {
3470 silence_unlocked (nframes);
3474 framepos_t unused = 0;
3476 if ((nframes = check_initial_delay (nframes, unused)) == 0) {
3482 BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
3484 fill_buffers_with_input (bufs, _input, nframes);
3486 if (_meter_point == MeterInput) {
3487 _meter->run (bufs, start_frame, end_frame, nframes, true);
3490 passthru (bufs, start_frame, end_frame, nframes, declick);
3496 Route::silent_roll (pframes_t nframes, framepos_t /*start_frame*/, framepos_t /*end_frame*/, bool& /* need_butler */)
3503 Route::flush_processors ()
3505 /* XXX shouldn't really try to take this lock, since
3506 this is called from the RT audio thread.
3509 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3511 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3517 __attribute__((annotate("realtime")))
3520 Route::apply_processor_changes_rt ()
3522 int emissions = EmitNone;
3524 if (_pending_meter_point != _meter_point) {
3525 Glib::Threads::RWLock::WriterLock pwl (_processor_lock, Glib::Threads::TRY_LOCK);
3527 /* meters always have buffers for 'processor_max_streams'
3528 * they can be re-positioned without re-allocation */
3529 if (set_meter_point_unlocked()) {
3530 emissions |= EmitMeterChanged | EmitMeterVisibilityChange;;
3532 emissions |= EmitMeterChanged;
3537 bool changed = false;
3539 if (g_atomic_int_get (&_pending_process_reorder)) {
3540 Glib::Threads::RWLock::WriterLock pwl (_processor_lock, Glib::Threads::TRY_LOCK);
3542 apply_processor_order (_pending_processor_order);
3543 setup_invisible_processors ();
3545 g_atomic_int_set (&_pending_process_reorder, 0);
3546 emissions |= EmitRtProcessorChange;
3550 set_processor_positions ();
3552 if (emissions != 0) {
3553 g_atomic_int_set (&_pending_signals, emissions);
3560 Route::emit_pending_signals ()
3563 int sig = g_atomic_int_and (&_pending_signals, 0);
3564 if (sig & EmitMeterChanged) {
3565 _meter->emit_configuration_changed();
3566 meter_change (); /* EMIT SIGNAL */
3567 if (sig & EmitMeterVisibilityChange) {
3568 processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, true)); /* EMIT SIGNAL */
3570 processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, false)); /* EMIT SIGNAL */
3573 if (sig & EmitRtProcessorChange) {
3574 processors_changed (RouteProcessorChange (RouteProcessorChange::RealTimeChange)); /* EMIT SIGNAL */
3579 Route::set_meter_point (MeterPoint p, bool force)
3581 if (_pending_meter_point == p && !force) {
3585 if (force || !AudioEngine::instance()->running()) {
3586 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
3587 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
3588 _pending_meter_point = p;
3589 _meter->emit_configuration_changed();
3590 meter_change (); /* EMIT SIGNAL */
3591 if (set_meter_point_unlocked()) {
3592 processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, true)); /* EMIT SIGNAL */
3594 processors_changed (RouteProcessorChange (RouteProcessorChange::MeterPointChange, false)); /* EMIT SIGNAL */
3597 _pending_meter_point = p;
3603 __attribute__((annotate("realtime")))
3606 Route::set_meter_point_unlocked ()
3609 /* Caller must hold process and processor write lock */
3610 assert (!AudioEngine::instance()->process_lock().trylock());
3611 Glib::Threads::RWLock::WriterLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
3612 assert (!lm.locked ());
3615 _meter_point = _pending_meter_point;
3617 bool meter_was_visible_to_user = _meter->display_to_user ();
3619 if (!_custom_meter_position_noted) {
3620 maybe_note_meter_position ();
3623 if (_meter_point != MeterCustom) {
3625 _meter->set_display_to_user (false);
3627 setup_invisible_processors ();
3630 _meter->set_display_to_user (true);
3632 /* If we have a previous position for the custom meter, try to put it there */
3633 boost::shared_ptr<Processor> after = _processor_after_last_custom_meter.lock ();
3635 ProcessorList::iterator i = find (_processors.begin(), _processors.end(), after);
3636 if (i != _processors.end ()) {
3637 _processors.remove (_meter);
3638 _processors.insert (i, _meter);
3640 } else {// at end, right before the mains_out/panner
3641 _processors.remove (_meter);
3642 ProcessorList::iterator main = _processors.end();
3643 _processors.insert (--main, _meter);
3647 /* Set up the meter for its new position */
3649 ProcessorList::iterator loc = find (_processors.begin(), _processors.end(), _meter);
3653 if (loc == _processors.begin()) {
3654 m_in = _input->n_ports();
3656 ProcessorList::iterator before = loc;
3658 m_in = (*before)->output_streams ();
3661 _meter->reflect_inputs (m_in);
3663 /* we do not need to reconfigure the processors, because the meter
3664 (a) is always ready to handle processor_max_streams
3665 (b) is always an N-in/N-out processor, and thus moving
3666 it doesn't require any changes to the other processors.
3669 /* these should really be done after releasing the lock
3670 * but all those signals are subscribed to with gui_thread()
3673 return (_meter->display_to_user() != meter_was_visible_to_user);
3677 Route::listen_position_changed ()
3680 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
3681 Glib::Threads::RWLock::WriterLock lm (_processor_lock);
3682 ProcessorState pstate (this);
3684 if (configure_processors_unlocked (0)) {
3686 configure_processors_unlocked (0); // it worked before we tried to add it ...
3691 processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
3692 _session.set_dirty ();
3695 boost::shared_ptr<CapturingProcessor>
3696 Route::add_export_point()
3698 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3699 if (!_capturing_processor) {
3701 Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
3702 Glib::Threads::RWLock::WriterLock lw (_processor_lock);
3704 _capturing_processor.reset (new CapturingProcessor (_session));
3705 _capturing_processor->activate ();
3707 configure_processors_unlocked (0);
3711 return _capturing_processor;
3715 Route::update_signal_latency ()
3717 framecnt_t l = _output->user_latency();
3718 framecnt_t lamp = 0;
3719 bool before_amp = true;
3720 framecnt_t ltrim = 0;
3721 bool before_trim = true;
3723 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3724 if ((*i)->active ()) {
3725 l += (*i)->signal_latency ();
3730 if ((*i) == _trim) {
3741 DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: internal signal latency = %2\n", _name, l));
3743 // TODO: (lamp - _signal_latency) to sync to output (read-ahed), currently _roll_delay shifts this around
3744 _signal_latency_at_amp_position = lamp;
3745 _signal_latency_at_trim_position = ltrim;
3747 if (_signal_latency != l) {
3748 _signal_latency = l;
3749 signal_latency_changed (); /* EMIT SIGNAL */
3752 return _signal_latency;
3756 Route::set_user_latency (framecnt_t nframes)
3758 _output->set_user_latency (nframes);
3759 _session.update_latency_compensation ();
3763 Route::set_latency_compensation (framecnt_t longest_session_latency)
3765 framecnt_t old = _initial_delay;
3767 if (_signal_latency < longest_session_latency) {
3768 _initial_delay = longest_session_latency - _signal_latency;
3773 DEBUG_TRACE (DEBUG::Latency, string_compose (
3774 "%1: compensate for maximum latency of %2,"
3775 "given own latency of %3, using initial delay of %4\n",
3776 name(), longest_session_latency, _signal_latency, _initial_delay));
3778 if (_initial_delay != old) {
3779 initial_delay_changed (); /* EMIT SIGNAL */
3782 if (_session.transport_stopped()) {
3783 _roll_delay = _initial_delay;
3787 Route::SoloControllable::SoloControllable (std::string name, boost::shared_ptr<Route> r)
3788 : AutomationControl (r->session(),
3789 Evoral::Parameter (SoloAutomation),
3790 ParameterDescriptor(Evoral::Parameter (SoloAutomation)),
3791 boost::shared_ptr<AutomationList>(), name)
3794 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(SoloAutomation)));
3795 gl->set_interpolation(Evoral::ControlList::Discrete);
3800 Route::SoloControllable::set_value (double val)
3802 const bool bval = ((val >= 0.5) ? true : false);
3804 boost::shared_ptr<RouteList> rl (new RouteList);
3806 boost::shared_ptr<Route> r = _route.lock ();
3813 if (Config->get_solo_control_is_listen_control()) {
3814 _session.set_listen (rl, bval);
3816 _session.set_solo (rl, bval);
3821 Route::SoloControllable::get_value () const
3823 boost::shared_ptr<Route> r = _route.lock ();
3828 if (Config->get_solo_control_is_listen_control()) {
3829 return r->listening_via_monitor() ? GAIN_COEFF_UNITY : GAIN_COEFF_ZERO;
3831 return r->self_soloed() ? GAIN_COEFF_UNITY : GAIN_COEFF_ZERO;
3835 Route::MuteControllable::MuteControllable (std::string name, boost::shared_ptr<Route> r)
3836 : AutomationControl (r->session(),
3837 Evoral::Parameter (MuteAutomation),
3838 ParameterDescriptor (Evoral::Parameter (MuteAutomation)),
3839 boost::shared_ptr<AutomationList>(),
3843 boost::shared_ptr<AutomationList> gl(new AutomationList(Evoral::Parameter(MuteAutomation)));
3844 gl->set_interpolation(Evoral::ControlList::Discrete);
3849 Route::MuteControllable::set_superficial_value(bool muted)
3851 /* Note we can not use AutomationControl::set_value here since it will emit
3852 Changed(), but the value will not be correct to the observer. */
3854 bool to_list = _list && ((AutomationList*)_list.get())->automation_write();
3856 Control::set_double (muted, _session.transport_frame(), to_list);
3860 Route::MuteControllable::set_value (double val)
3862 const bool bval = ((val >= 0.5) ? true : false);
3864 boost::shared_ptr<Route> r = _route.lock ();
3869 if (_list && ((AutomationList*)_list.get())->automation_playback()) {
3870 // Playing back automation, set route mute directly
3871 r->set_mute (bval, this);
3873 // Set from user, queue mute event
3874 boost::shared_ptr<RouteList> rl (new RouteList);
3876 _session.set_mute (rl, bval, Session::rt_cleanup);
3879 // Set superficial/automation value to drive controller (and possibly record)
3880 set_superficial_value(bval);
3884 Route::MuteControllable::get_value () const
3886 if (_list && ((AutomationList*)_list.get())->automation_playback()) {
3887 // Playing back automation, get the value from the list
3888 return AutomationControl::get_value();
3891 // Not playing back automation, get the actual route mute value
3892 boost::shared_ptr<Route> r = _route.lock ();
3893 return (r && r->muted()) ? GAIN_COEFF_UNITY : GAIN_COEFF_ZERO;
3897 Route::set_block_size (pframes_t nframes)
3899 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
3900 (*i)->set_block_size (nframes);
3903 _session.ensure_buffers (n_process_buffers ());
3907 Route::protect_automation ()
3909 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i)
3910 (*i)->protect_automation();
3913 /** @param declick 1 to set a pending declick fade-in,
3914 * -1 to set a pending declick fade-out
3917 Route::set_pending_declick (int declick)
3920 /* this call is not allowed to turn off a pending declick */
3922 _pending_declick = declick;
3925 _pending_declick = 0;
3929 /** Shift automation forwards from a particular place, thereby inserting time.
3930 * Adds undo commands for any shifts that are performed.
3932 * @param pos Position to start shifting from.
3933 * @param frames Amount to shift forwards by.
3937 Route::shift (framepos_t pos, framecnt_t frames)
3939 /* gain automation */
3941 boost::shared_ptr<AutomationControl> gc = _amp->gain_control();
3943 XMLNode &before = gc->alist()->get_state ();
3944 gc->alist()->shift (pos, frames);
3945 XMLNode &after = gc->alist()->get_state ();
3946 _session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
3949 /* gain automation */
3951 boost::shared_ptr<AutomationControl> gc = _trim->gain_control();
3953 XMLNode &before = gc->alist()->get_state ();
3954 gc->alist()->shift (pos, frames);
3955 XMLNode &after = gc->alist()->get_state ();
3956 _session.add_command (new MementoCommand<AutomationList> (*gc->alist().get(), &before, &after));
3959 // TODO mute automation ??
3961 /* pan automation */
3963 ControlSet::Controls& c (_pannable->controls());
3965 for (ControlSet::Controls::const_iterator ci = c.begin(); ci != c.end(); ++ci) {
3966 boost::shared_ptr<AutomationControl> pc = boost::dynamic_pointer_cast<AutomationControl> (ci->second);
3968 boost::shared_ptr<AutomationList> al = pc->alist();
3969 XMLNode& before = al->get_state ();
3970 al->shift (pos, frames);
3971 XMLNode& after = al->get_state ();
3972 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
3977 /* redirect automation */
3979 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
3980 for (ProcessorList::iterator i = _processors.begin (); i != _processors.end (); ++i) {
3982 set<Evoral::Parameter> parameters = (*i)->what_can_be_automated();
3984 for (set<Evoral::Parameter>::const_iterator p = parameters.begin (); p != parameters.end (); ++p) {
3985 boost::shared_ptr<AutomationControl> ac = (*i)->automation_control (*p);
3987 boost::shared_ptr<AutomationList> al = ac->alist();
3988 XMLNode &before = al->get_state ();
3989 al->shift (pos, frames);
3990 XMLNode &after = al->get_state ();
3991 _session.add_command (new MementoCommand<AutomationList> (*al.get(), &before, &after));
4000 Route::save_as_template (const string& path, const string& name)
4002 XMLNode& node (state (false));
4005 IO::set_name_in_state (*node.children().front(), name);
4007 tree.set_root (&node);
4008 return tree.write (path.c_str());
4013 Route::set_name (const string& str)
4015 if (str == name()) {
4019 string name = Route::ensure_track_or_route_name (str, _session);
4020 SessionObject::set_name (name);
4022 bool ret = (_input->set_name(name) && _output->set_name(name));
4025 /* rename the main outs. Leave other IO processors
4026 * with whatever name they already have, because its
4027 * just fine as it is (it will not contain the route
4028 * name if its a port insert, port send or port return).
4032 if (_main_outs->set_name (name)) {
4033 /* XXX returning false here is stupid because
4034 we already changed the route name.
4044 /** Set the name of a route in an XML description.
4045 * @param node XML <Route> node to set the name in.
4046 * @param name New name.
4049 Route::set_name_in_state (XMLNode& node, string const & name)
4051 node.add_property (X_("name"), name);
4053 XMLNodeList children = node.children();
4054 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
4056 if ((*i)->name() == X_("IO")) {
4058 IO::set_name_in_state (**i, name);
4060 } else if ((*i)->name() == X_("Processor")) {
4062 XMLProperty* role = (*i)->property (X_("role"));
4063 if (role && role->value() == X_("Main")) {
4064 (*i)->add_property (X_("name"), name);
4067 } else if ((*i)->name() == X_("Diskstream")) {
4069 (*i)->add_property (X_("playlist"), string_compose ("%1.1", name).c_str());
4070 (*i)->add_property (X_("name"), name);
4076 boost::shared_ptr<Send>
4077 Route::internal_send_for (boost::shared_ptr<const Route> target) const
4079 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4081 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4082 boost::shared_ptr<InternalSend> send;
4084 if ((send = boost::dynamic_pointer_cast<InternalSend>(*i)) != 0) {
4085 if (send->target_route() == target) {
4091 return boost::shared_ptr<Send>();
4094 /** @param c Audio channel index.
4095 * @param yn true to invert phase, otherwise false.
4098 Route::set_phase_invert (uint32_t c, bool yn)
4100 if (_phase_invert[c] != yn) {
4101 _phase_invert[c] = yn;
4102 phase_invert_changed (); /* EMIT SIGNAL */
4103 _session.set_dirty ();
4108 Route::set_phase_invert (boost::dynamic_bitset<> p)
4110 if (_phase_invert != p) {
4112 phase_invert_changed (); /* EMIT SIGNAL */
4113 _session.set_dirty ();
4118 Route::phase_invert (uint32_t c) const
4120 return _phase_invert[c];
4123 boost::dynamic_bitset<>
4124 Route::phase_invert () const
4126 return _phase_invert;
4130 Route::set_denormal_protection (bool yn)
4132 if (_denormal_protection != yn) {
4133 _denormal_protection = yn;
4134 denormal_protection_changed (); /* EMIT SIGNAL */
4139 Route::denormal_protection () const
4141 return _denormal_protection;
4145 Route::set_active (bool yn, void* src)
4147 if (_session.transport_rolling()) {
4151 if (_route_group && src != _route_group && _route_group->is_active() && _route_group->is_route_active()) {
4152 _route_group->foreach_route (boost::bind (&Route::set_active, _1, yn, _route_group));
4156 if (_active != yn) {
4158 _input->set_active (yn);
4159 _output->set_active (yn);
4160 active_changed (); // EMIT SIGNAL
4161 _session.set_dirty ();
4165 boost::shared_ptr<Pannable>
4166 Route::pannable() const
4171 boost::shared_ptr<Panner>
4172 Route::panner() const
4175 return _main_outs->panner_shell()->panner();
4178 boost::shared_ptr<PannerShell>
4179 Route::panner_shell() const
4181 return _main_outs->panner_shell();
4184 boost::shared_ptr<AutomationControl>
4185 Route::gain_control() const
4187 return _amp->gain_control();
4190 boost::shared_ptr<AutomationControl>
4191 Route::get_control (const Evoral::Parameter& param)
4193 /* either we own the control or .... */
4195 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(control (param));
4199 /* maybe one of our processors does or ... */
4201 Glib::Threads::RWLock::ReaderLock rm (_processor_lock);
4202 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4203 if ((c = boost::dynamic_pointer_cast<AutomationControl>((*i)->control (param))) != 0) {
4211 /* nobody does so we'll make a new one */
4213 c = boost::dynamic_pointer_cast<AutomationControl>(control_factory(param));
4220 boost::shared_ptr<Processor>
4221 Route::nth_plugin (uint32_t n)
4223 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4224 ProcessorList::iterator i;
4226 for (i = _processors.begin(); i != _processors.end(); ++i) {
4227 if (boost::dynamic_pointer_cast<PluginInsert> (*i)) {
4234 return boost::shared_ptr<Processor> ();
4237 boost::shared_ptr<Processor>
4238 Route::nth_send (uint32_t n)
4240 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4241 ProcessorList::iterator i;
4243 for (i = _processors.begin(); i != _processors.end(); ++i) {
4244 if (boost::dynamic_pointer_cast<Send> (*i)) {
4251 return boost::shared_ptr<Processor> ();
4255 Route::has_io_processor_named (const string& name)
4257 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4258 ProcessorList::iterator i;
4260 for (i = _processors.begin(); i != _processors.end(); ++i) {
4261 if (boost::dynamic_pointer_cast<Send> (*i) ||
4262 boost::dynamic_pointer_cast<PortInsert> (*i)) {
4263 if ((*i)->name() == name) {
4272 MuteMaster::MutePoint
4273 Route::mute_points () const
4275 return _mute_master->mute_points ();
4279 Route::set_processor_positions ()
4281 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4283 bool had_amp = false;
4284 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4285 (*i)->set_pre_fader (!had_amp);
4292 /** Called when there is a proposed change to the input port count */
4294 Route::input_port_count_changing (ChanCount to)
4296 list<pair<ChanCount, ChanCount> > c = try_configure_processors (to, 0);
4298 /* The processors cannot be configured with the new input arrangement, so
4304 /* The change is ok */
4308 /** Called when there is a proposed change to the output port count */
4310 Route::output_port_count_changing (ChanCount to)
4312 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
4313 if (processor_out_streams.get(*t) > to.get(*t)) {
4317 /* The change is ok */
4322 Route::unknown_processors () const
4326 if (_session.get_disable_all_loaded_plugins ()) {
4327 // Do not list "missing plugins" if they are explicitly disabled
4331 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4332 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4333 if (boost::dynamic_pointer_cast<UnknownProcessor const> (*i)) {
4334 p.push_back ((*i)->name ());
4343 Route::update_port_latencies (PortSet& from, PortSet& to, bool playback, framecnt_t our_latency) const
4345 /* we assume that all our input ports feed all our output ports. its not
4346 universally true, but the alternative is way too corner-case to worry about.
4349 LatencyRange all_connections;
4352 all_connections.min = 0;
4353 all_connections.max = 0;
4355 all_connections.min = ~((pframes_t) 0);
4356 all_connections.max = 0;
4358 /* iterate over all "from" ports and determine the latency range for all of their
4359 connections to the "outside" (outside of this Route).
4362 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
4366 p->get_connected_latency_range (range, playback);
4368 all_connections.min = min (all_connections.min, range.min);
4369 all_connections.max = max (all_connections.max, range.max);
4373 /* set the "from" port latencies to the max/min range of all their connections */
4375 for (PortSet::iterator p = from.begin(); p != from.end(); ++p) {
4376 p->set_private_latency_range (all_connections, playback);
4379 /* set the ports "in the direction of the flow" to the same value as above plus our own signal latency */
4381 all_connections.min += our_latency;
4382 all_connections.max += our_latency;
4384 for (PortSet::iterator p = to.begin(); p != to.end(); ++p) {
4385 p->set_private_latency_range (all_connections, playback);
4388 return all_connections.max;
4392 Route::set_private_port_latencies (bool playback) const
4394 framecnt_t own_latency = 0;
4396 /* Processor list not protected by lock: MUST BE CALLED FROM PROCESS THREAD
4397 OR LATENCY CALLBACK.
4399 This is called (early) from the latency callback. It computes the REAL
4400 latency associated with each port and stores the result as the "private"
4401 latency of the port. A later call to Route::set_public_port_latencies()
4402 sets all ports to the same value to reflect the fact that we do latency
4403 compensation and so all signals are delayed by the same amount as they
4404 flow through ardour.
4407 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4408 if ((*i)->active ()) {
4409 own_latency += (*i)->signal_latency ();
4414 /* playback: propagate latency from "outside the route" to outputs to inputs */
4415 return update_port_latencies (_output->ports (), _input->ports (), true, own_latency);
4417 /* capture: propagate latency from "outside the route" to inputs to outputs */
4418 return update_port_latencies (_input->ports (), _output->ports (), false, own_latency);
4423 Route::set_public_port_latencies (framecnt_t value, bool playback) const
4425 /* this is called to set the JACK-visible port latencies, which take
4426 latency compensation into account.
4435 const PortSet& ports (_input->ports());
4436 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
4437 p->set_public_latency_range (range, playback);
4442 const PortSet& ports (_output->ports());
4443 for (PortSet::const_iterator p = ports.begin(); p != ports.end(); ++p) {
4444 p->set_public_latency_range (range, playback);
4449 /** Put the invisible processors in the right place in _processors.
4450 * Must be called with a writer lock on _processor_lock held.
4453 __attribute__((annotate("realtime")))
4456 Route::setup_invisible_processors ()
4459 Glib::Threads::RWLock::WriterLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
4460 assert (!lm.locked ());
4464 /* too early to be doing this stuff */
4468 /* we'll build this new list here and then use it
4470 * TODO put the ProcessorList is on the stack for RT-safety.
4473 ProcessorList new_processors;
4475 /* find visible processors */
4477 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4478 if ((*i)->display_to_user ()) {
4479 new_processors.push_back (*i);
4485 ProcessorList::iterator amp = new_processors.begin ();
4486 while (amp != new_processors.end() && *amp != _amp) {
4490 assert (amp != new_processors.end ());
4492 /* and the processor after the amp */
4494 ProcessorList::iterator after_amp = amp;
4500 switch (_meter_point) {
4502 assert (!_meter->display_to_user ());
4503 new_processors.push_front (_meter);
4506 assert (!_meter->display_to_user ());
4507 new_processors.insert (amp, _meter);
4509 case MeterPostFader:
4510 /* do nothing here */
4513 /* do nothing here */
4516 /* the meter is visible, so we don't touch it here */
4523 assert (_main_outs);
4524 assert (!_main_outs->display_to_user ());
4525 new_processors.push_back (_main_outs);
4527 /* iterator for the main outs */
4529 ProcessorList::iterator main = new_processors.end();
4532 /* OUTPUT METERING */
4534 if (_meter && (_meter_point == MeterOutput || _meter_point == MeterPostFader)) {
4535 assert (!_meter->display_to_user ());
4537 /* add the processor just before or just after the main outs */
4539 ProcessorList::iterator meter_point = main;
4541 if (_meter_point == MeterOutput) {
4544 new_processors.insert (meter_point, _meter);
4549 if (_monitor_send && !is_monitor ()) {
4550 assert (!_monitor_send->display_to_user ());
4551 if (Config->get_solo_control_is_listen_control()) {
4552 switch (Config->get_listen_position ()) {
4553 case PreFaderListen:
4554 switch (Config->get_pfl_position ()) {
4555 case PFLFromBeforeProcessors:
4556 new_processors.push_front (_monitor_send);
4558 case PFLFromAfterProcessors:
4559 new_processors.insert (amp, _monitor_send);
4562 _monitor_send->set_can_pan (false);
4564 case AfterFaderListen:
4565 switch (Config->get_afl_position ()) {
4566 case AFLFromBeforeProcessors:
4567 new_processors.insert (after_amp, _monitor_send);
4569 case AFLFromAfterProcessors:
4570 new_processors.insert (new_processors.end(), _monitor_send);
4573 _monitor_send->set_can_pan (true);
4577 new_processors.insert (new_processors.end(), _monitor_send);
4578 _monitor_send->set_can_pan (false);
4582 #if 0 // not used - just yet
4583 if (!is_master() && !is_monitor() && !is_auditioner()) {
4584 new_processors.push_front (_delayline);
4588 /* MONITOR CONTROL */
4590 if (_monitor_control && is_monitor ()) {
4591 assert (!_monitor_control->display_to_user ());
4592 new_processors.push_front (_monitor_control);
4595 /* INTERNAL RETURN */
4597 /* doing this here means that any monitor control will come just after
4602 assert (!_intreturn->display_to_user ());
4603 new_processors.push_front (_intreturn);
4606 if (_trim && _trim->active()) {
4607 assert (!_trim->display_to_user ());
4608 new_processors.push_front (_trim);
4610 /* EXPORT PROCESSOR */
4612 if (_capturing_processor) {
4613 assert (!_capturing_processor->display_to_user ());
4614 new_processors.push_front (_capturing_processor);
4617 _processors = new_processors;
4619 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4620 if (!(*i)->display_to_user () && !(*i)->active () && (*i) != _monitor_send) {
4625 DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: setup_invisible_processors\n", _name));
4626 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4627 DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1\n", (*i)->name ()));
4634 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
4635 Glib::Threads::RWLock::ReaderLock lp (_processor_lock);
4639 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4640 boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery>(*i);
4647 /** If the meter point is `Custom', make a note of where the meter is.
4648 * This is so that if the meter point is subsequently set to something else,
4649 * and then back to custom, we can put the meter back where it was last time
4650 * custom was enabled.
4652 * Must be called with the _processor_lock held.
4655 Route::maybe_note_meter_position ()
4657 if (_meter_point != MeterCustom) {
4661 _custom_meter_position_noted = true;
4662 /* custom meter points range from after trim to before panner/main_outs
4663 * this is a limitation by the current processor UI
4665 bool seen_trim = false;
4666 _processor_after_last_custom_meter.reset();
4667 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4668 if ((*i) == _trim) {
4671 if ((*i) == _main_outs) {
4672 _processor_after_last_custom_meter = *i;
4675 if (boost::dynamic_pointer_cast<PeakMeter> (*i)) {
4677 _processor_after_last_custom_meter = _trim;
4679 ProcessorList::iterator j = i;
4681 assert(j != _processors.end ()); // main_outs should be before
4682 _processor_after_last_custom_meter = *j;
4687 assert(_processor_after_last_custom_meter.lock());
4690 boost::shared_ptr<Processor>
4691 Route::processor_by_id (PBD::ID id) const
4693 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4694 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4695 if ((*i)->id() == id) {
4700 return boost::shared_ptr<Processor> ();
4703 /** @return the monitoring state, or in other words what data we are pushing
4704 * into the route (data from the inputs, data from disk or silence)
4707 Route::monitoring_state () const
4709 return MonitoringInput;
4712 /** @return what we should be metering; either the data coming from the input
4713 * IO or the data that is flowing through the route.
4716 Route::metering_state () const
4718 return MeteringRoute;
4722 Route::has_external_redirects () const
4724 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4726 /* ignore inactive processors and obviously ignore the main
4727 * outs since everything has them and we don't care.
4730 if ((*i)->active() && (*i) != _main_outs && (*i)->does_routing()) {
4738 boost::shared_ptr<Processor>
4739 Route::the_instrument () const
4741 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4742 return the_instrument_unlocked ();
4745 boost::shared_ptr<Processor>
4746 Route::the_instrument_unlocked () const
4748 for (ProcessorList::const_iterator i = _processors.begin(); i != _processors.end(); ++i) {
4749 if (boost::dynamic_pointer_cast<PluginInsert>(*i)) {
4750 if ((*i)->input_streams().n_midi() > 0 &&
4751 (*i)->output_streams().n_audio() > 0) {
4756 return boost::shared_ptr<Processor>();
4762 Route::non_realtime_locate (framepos_t pos)
4765 _pannable->transport_located (pos);
4768 if (_delayline.get()) {
4769 _delayline.get()->flush();
4773 //Glib::Threads::Mutex::Lock lx (AudioEngine::instance()->process_lock ());
4774 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
4776 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
4777 (*i)->transport_located (pos);
4780 _roll_delay = _initial_delay;
4784 Route::fill_buffers_with_input (BufferSet& bufs, boost::shared_ptr<IO> io, pframes_t nframes)
4791 * We don't currently mix MIDI input together, so we don't need the
4792 * complex logic of the audio case.
4795 n_buffers = bufs.count().n_midi ();
4797 for (i = 0; i < n_buffers; ++i) {
4799 boost::shared_ptr<MidiPort> source_port = io->midi (i);
4800 MidiBuffer& buf (bufs.get_midi (i));
4803 buf.copy (source_port->get_midi_buffer(nframes));
4805 buf.silence (nframes);
4811 n_buffers = bufs.count().n_audio();
4813 size_t n_ports = io->n_ports().n_audio();
4814 float scaling = 1.0f;
4816 if (n_ports > n_buffers) {
4817 scaling = ((float) n_buffers) / n_ports;
4820 for (i = 0; i < n_ports; ++i) {
4822 /* if there are more ports than buffers, map them onto buffers
4823 * in a round-robin fashion
4826 boost::shared_ptr<AudioPort> source_port = io->audio (i);
4827 AudioBuffer& buf (bufs.get_audio (i%n_buffers));
4830 if (i < n_buffers) {
4832 /* first time through just copy a channel into
4836 buf.read_from (source_port->get_audio_buffer (nframes), nframes);
4838 if (scaling != 1.0f) {
4839 buf.apply_gain (scaling, nframes);
4844 /* on subsequent times around, merge data from
4845 * the port with what is already there
4848 if (scaling != 1.0f) {
4849 buf.accumulate_with_gain_from (source_port->get_audio_buffer (nframes), nframes, 0, scaling);
4851 buf.accumulate_from (source_port->get_audio_buffer (nframes), nframes);
4856 /* silence any remaining buffers */
4858 for (; i < n_buffers; ++i) {
4859 AudioBuffer& buf (bufs.get_audio (i));
4860 buf.silence (nframes);
4863 /* establish the initial setup of the buffer set, reflecting what was
4864 copied into it. unless, of course, we are the auditioner, in which
4865 case nothing was fed into it from the inputs at all.
4868 if (!is_auditioner()) {
4869 bufs.set_count (io->n_ports());