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"
26 #include "pbd/failed_constructor.h"
27 #include "pbd/xml++.h"
28 #include "pbd/convert.h"
30 #include "ardour/audio_buffer.h"
31 #include "ardour/automation_list.h"
32 #include "ardour/buffer_set.h"
33 #include "ardour/debug.h"
34 #include "ardour/event_type_map.h"
35 #include "ardour/ladspa_plugin.h"
36 #include "ardour/luaproc.h"
37 #include "ardour/plugin.h"
38 #include "ardour/plugin_insert.h"
41 #include "ardour/lv2_plugin.h"
44 #ifdef WINDOWS_VST_SUPPORT
45 #include "ardour/windows_vst_plugin.h"
49 #include "ardour/lxvst_plugin.h"
52 #ifdef AUDIOUNIT_SUPPORT
53 #include "ardour/audio_unit.h"
56 #include "ardour/session.h"
57 #include "ardour/types.h"
62 using namespace ARDOUR;
65 const string PluginInsert::port_automation_node_name = "PortAutomation";
67 PluginInsert::PluginInsert (Session& s, boost::shared_ptr<Plugin> plug)
68 : Processor (s, (plug ? plug->name() : string ("toBeRenamed")))
69 , _signal_analysis_collected_nframes(0)
70 , _signal_analysis_collect_nframes_max(0)
75 , _maps_from_state (false)
77 /* the first is the master */
81 create_automatable_parameters ();
82 const ChanCount& sc (sidechain_input_pins ());
83 if (sc.n_audio () > 0) {
84 add_sidechain (sc.n_audio ());
89 PluginInsert::~PluginInsert ()
94 PluginInsert::set_strict_io (bool b)
96 bool changed = _strict_io != b;
99 PluginConfigChanged (); /* EMIT SIGNAL */
104 PluginInsert::set_count (uint32_t num)
106 bool require_state = !_plugins.empty();
108 /* this is a bad idea.... we shouldn't do this while active.
109 only a route holding their redirect_lock should be calling this
114 } else if (num > _plugins.size()) {
115 uint32_t diff = num - _plugins.size();
117 for (uint32_t n = 0; n < diff; ++n) {
118 boost::shared_ptr<Plugin> p = plugin_factory (_plugins[0]);
125 /* XXX do something */
128 PluginConfigChanged (); /* EMIT SIGNAL */
130 } else if (num < _plugins.size()) {
131 uint32_t diff = _plugins.size() - num;
132 for (uint32_t n= 0; n < diff; ++n) {
135 PluginConfigChanged (); /* EMIT SIGNAL */
143 PluginInsert::set_outputs (const ChanCount& c)
145 bool changed = (_custom_out != c) && _custom_cfg;
148 PluginConfigChanged (); /* EMIT SIGNAL */
153 PluginInsert::set_custom_cfg (bool b)
155 bool changed = _custom_cfg != b;
158 PluginConfigChanged (); /* EMIT SIGNAL */
163 PluginInsert::add_sidechain (uint32_t n_audio)
165 // caller must hold process lock
169 std::ostringstream n;
171 n << "Sidechain " << Session::next_name_id ();
173 n << "TO BE RESET FROM XML";
175 SideChain *sc = new SideChain (_session, n.str ());
176 _sidechain = boost::shared_ptr<SideChain> (sc);
177 _sidechain->activate ();
178 for (uint32_t n = 0; n < n_audio; ++n) {
179 _sidechain->input()->add_port ("", owner()); // add a port, don't connect.
181 PluginConfigChanged (); /* EMIT SIGNAL */
186 PluginInsert::del_sidechain ()
192 PluginConfigChanged (); /* EMIT SIGNAL */
197 PluginInsert::control_list_automation_state_changed (Evoral::Parameter which, AutoState s)
199 if (which.type() != PluginAutomation)
202 boost::shared_ptr<AutomationControl> c
203 = boost::dynamic_pointer_cast<AutomationControl>(control (which));
206 _plugins[0]->set_parameter (which.id(), c->list()->eval (_session.transport_frame()));
211 PluginInsert::output_streams() const
213 assert (_configured);
214 return _configured_out;
218 PluginInsert::input_streams() const
220 assert (_configured);
221 return _configured_in;
225 PluginInsert::internal_streams() const
227 assert (_configured);
228 return _configured_internal;
232 PluginInsert::internal_output_streams() const
234 assert (!_plugins.empty());
236 PluginInfoPtr info = _plugins.front()->get_info();
238 if (info->reconfigurable_io()) {
239 ChanCount out = _plugins.front()->output_streams ();
240 // DEBUG_TRACE (DEBUG::Processors, string_compose ("Plugin insert, reconfigur(able) output streams = %1\n", out));
243 ChanCount out = info->n_outputs;
244 // DEBUG_TRACE (DEBUG::Processors, string_compose ("Plugin insert, static output streams = %1 for %2 plugins\n", out, _plugins.size()));
245 out.set_audio (out.n_audio() * _plugins.size());
246 out.set_midi (out.n_midi() * _plugins.size());
252 PluginInsert::internal_input_streams() const
254 assert (!_plugins.empty());
258 PluginInfoPtr info = _plugins.front()->get_info();
260 if (info->reconfigurable_io()) {
261 assert (_plugins.size() == 1);
262 in = _plugins.front()->input_streams();
267 DEBUG_TRACE (DEBUG::Processors, string_compose ("Plugin insert, input streams = %1, match using %2\n", in, _match.method));
269 if (_match.method == Split) {
271 /* we are splitting 1 processor input to multiple plugin inputs,
272 so we have a maximum of 1 stream of each type.
274 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
275 if (in.get (*t) > 1) {
281 } else if (_match.method == Hide) {
283 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
284 in.set (*t, in.get (*t) - _match.hide.get (*t));
290 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
291 in.set (*t, in.get (*t) * _plugins.size ());
299 PluginInsert::natural_output_streams() const
302 if (is_channelstrip ()) {
303 return _configured_out;
306 return _plugins[0]->get_info()->n_outputs;
310 PluginInsert::natural_input_streams() const
313 if (is_channelstrip ()) {
314 return _configured_in;
317 return _plugins[0]->get_info()->n_inputs;
321 PluginInsert::sidechain_input_pins() const
323 return _cached_sidechain_pins;
327 PluginInsert::has_no_inputs() const
329 return _plugins[0]->get_info()->n_inputs == ChanCount::ZERO;
333 PluginInsert::has_no_audio_inputs() const
335 return _plugins[0]->get_info()->n_inputs.n_audio() == 0;
339 PluginInsert::plugin_latency () const {
340 return _plugins.front()->signal_latency ();
344 PluginInsert::needs_midi_input() const
346 PluginInfoPtr pip = _plugins[0]->get_info();
347 if (pip->needs_midi_input ()) {
350 return pip->n_inputs.n_midi() != 0 && pip->n_outputs.n_audio() != 0;
354 PluginInsert::create_automatable_parameters ()
356 assert (!_plugins.empty());
358 set<Evoral::Parameter> a = _plugins.front()->automatable ();
360 for (set<Evoral::Parameter>::iterator i = a.begin(); i != a.end(); ++i) {
361 if (i->type() == PluginAutomation) {
363 Evoral::Parameter param(*i);
365 ParameterDescriptor desc;
366 _plugins.front()->get_parameter_descriptor(i->id(), desc);
368 can_automate (param);
369 boost::shared_ptr<AutomationList> list(new AutomationList(param, desc));
370 boost::shared_ptr<AutomationControl> c (new PluginControl(this, param, desc, list));
372 _plugins.front()->set_automation_control (i->id(), c);
373 } else if (i->type() == PluginPropertyAutomation) {
374 Evoral::Parameter param(*i);
375 const ParameterDescriptor& desc = _plugins.front()->get_property_descriptor(param.id());
376 if (desc.datatype != Variant::NOTHING) {
377 boost::shared_ptr<AutomationList> list;
378 if (Variant::type_is_numeric(desc.datatype)) {
379 list = boost::shared_ptr<AutomationList>(new AutomationList(param, desc));
381 add_control (boost::shared_ptr<AutomationControl> (new PluginPropertyControl(this, param, desc, list)));
386 /** Called when something outside of this host has modified a plugin
387 * parameter. Responsible for propagating the change to two places:
389 * 1) anything listening to the Control itself
390 * 2) any replicated plugins that make up this PluginInsert.
392 * The PluginInsert is connected to the ParameterChangedExternally signal for
393 * the first (primary) plugin, and here broadcasts that change to any others.
395 * XXX We should probably drop this whole replication idea (Paul, October 2015)
396 * since it isn't used by sensible plugin APIs (AU, LV2).
399 PluginInsert::parameter_changed_externally (uint32_t which, float val)
401 boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter (PluginAutomation, 0, which));
403 /* First propagation: alter the underlying value of the control,
404 * without telling the plugin(s) that own/use it to set it.
411 boost::shared_ptr<PluginControl> pc = boost::dynamic_pointer_cast<PluginControl> (ac);
414 pc->catch_up_with_external_value (val);
417 /* Second propagation: tell all plugins except the first to
418 update the value of this parameter. For sane plugin APIs,
419 there are no other plugins, so this is a no-op in those
423 Plugins::iterator i = _plugins.begin();
425 /* don't set the first plugin, just all the slaves */
427 if (i != _plugins.end()) {
429 for (; i != _plugins.end(); ++i) {
430 (*i)->set_parameter (which, val);
436 PluginInsert::set_block_size (pframes_t nframes)
439 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
440 if ((*i)->set_block_size (nframes) != 0) {
448 PluginInsert::activate ()
450 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
454 Processor::activate ();
458 PluginInsert::deactivate ()
460 Processor::deactivate ();
462 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
468 PluginInsert::flush ()
470 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
476 PluginInsert::connect_and_run (BufferSet& bufs, pframes_t nframes, framecnt_t offset, bool with_auto, framepos_t now)
478 // TODO: atomically copy maps & _no_inplace
479 PinMappings in_map (_in_map);
480 PinMappings out_map (_out_map);
481 ChanMapping thru_map (_thru_map);
482 if (_mapping_changed) { // ToDo use a counters, increment until match.
483 _no_inplace = check_inplace ();
484 _mapping_changed = false;
487 if (_latency_changed) {
488 /* delaylines are configured with the max possible latency (as reported by the plugin)
489 * so this won't allocate memory (unless the plugin lied about its max latency)
490 * It may still 'click' though, since the fixed delaylines are not de-clicked.
491 * Then again plugin-latency changes are not click-free to begin with.
493 * This is also worst case, there is currently no concept of per-stream latency.
495 * e.g. Two identical latent plugins:
496 * 1st plugin: process left (latent), bypass right.
497 * 2nd plugin: bypass left, process right (latent).
498 * -> currently this yields 2 times latency of the plugin,
500 _latency_changed = false;
501 _delaybuffers.set (ChanCount::max(bufs.count(), _configured_out), plugin_latency ());
504 if (_match.method == Split && !_no_inplace) {
505 // TODO: also use this optimization if one source-buffer
506 // feeds _all_ *connected* inputs.
507 // currently this is *first* buffer to all only --
508 // see PluginInsert::check_inplace
509 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
510 if (_configured_internal.get (*t) == 0) {
514 uint32_t first_idx = in_map[0].get (*t, 0, &valid);
515 assert (valid && first_idx == 0); // check_inplace ensures this
516 /* copy the first stream's buffer contents to the others */
517 for (uint32_t i = 1; i < natural_input_streams ().get (*t); ++i) {
518 uint32_t idx = in_map[0].get (*t, i, &valid);
521 bufs.get (*t, i).read_from (bufs.get (*t, first_idx), nframes, offset, offset);
525 /* the copy operation produces a linear monotonic input map */
526 in_map[0] = ChanMapping (natural_input_streams ());
529 bufs.set_count(ChanCount::max(bufs.count(), _configured_internal));
530 bufs.set_count(ChanCount::max(bufs.count(), _configured_out));
536 for (Controls::iterator li = controls().begin(); li != controls().end(); ++li, ++n) {
538 boost::shared_ptr<AutomationControl> c
539 = boost::dynamic_pointer_cast<AutomationControl>(li->second);
541 if (c->list() && c->automation_playback()) {
544 const float val = c->list()->rt_safe_eval (now, valid);
547 /* This is the ONLY place where we are
549 * AutomationControl::set_value_unchecked(). We
550 * know that the control is in
551 * automation playback mode, so no
552 * check on writable() is required
553 * (which must be done in AutomationControl::set_value()
556 c->set_value_unchecked(val);
563 /* Calculate if, and how many frames we need to collect for analysis */
564 framecnt_t collect_signal_nframes = (_signal_analysis_collect_nframes_max -
565 _signal_analysis_collected_nframes);
566 if (nframes < collect_signal_nframes) { // we might not get all frames now
567 collect_signal_nframes = nframes;
570 if (collect_signal_nframes > 0) {
572 //std::cerr << "collect input, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
573 //std::cerr << " streams " << internal_input_streams().n_audio() << std::endl;
574 //std::cerr << "filling buffer with " << collect_signal_nframes << " frames at " << _signal_analysis_collected_nframes << std::endl;
576 _signal_analysis_inputs.set_count(internal_input_streams());
578 for (uint32_t i = 0; i < internal_input_streams().n_audio(); ++i) {
579 _signal_analysis_inputs.get_audio(i).read_from(
581 collect_signal_nframes,
582 _signal_analysis_collected_nframes); // offset is for target buffer
587 if (is_channelstrip ()) {
588 if (_configured_in.n_audio() > 0) {
589 ChanMapping mb_in_map (ChanCount::min (_configured_in, ChanCount (DataType::AUDIO, 2)));
590 ChanMapping mb_out_map (ChanCount::min (_configured_out, ChanCount (DataType::AUDIO, 2)));
592 _plugins.front()->connect_and_run (bufs, mb_in_map, mb_out_map, nframes, offset);
594 for (uint32_t out = _configured_in.n_audio (); out < bufs.count().get (DataType::AUDIO); ++out) {
595 bufs.get (DataType::AUDIO, out).silence (nframes, offset);
601 // TODO optimize -- build maps once.
603 BufferSet& inplace_bufs = _session.get_noinplace_buffers();
604 ARDOUR::ChanMapping used_outputs;
606 assert (inplace_bufs.count () >= natural_input_streams () + _configured_out);
608 /* build used-output map */
609 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
610 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
611 for (uint32_t out = 0; out < natural_output_streams().get (*t); ++out) {
613 uint32_t out_idx = out_map[pc].get (*t, out, &valid);
615 used_outputs.set (*t, out_idx, 1); // mark as used
620 /* copy thru data to outputs before processing in-place */
621 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
622 for (uint32_t out = 0; out < bufs.count().get (*t); ++out) {
624 uint32_t in_idx = thru_map.get (*t, out, &valid);
626 uint32_t m = out + natural_input_streams ().get (*t);
627 _delaybuffers.delay (*t, out, inplace_bufs.get (*t, m), bufs.get (*t, in_idx), nframes, offset, offset);
628 used_outputs.set (*t, out, 1); // mark as used
634 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
636 ARDOUR::ChanMapping i_in_map (natural_input_streams());
637 ARDOUR::ChanMapping i_out_map (out_map[pc]);
638 ARDOUR::ChanCount mapped;
640 /* map inputs sequentially */
641 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
642 for (uint32_t in = 0; in < natural_input_streams().get (*t); ++in) {
644 uint32_t in_idx = in_map[pc].get (*t, in, &valid);
645 uint32_t m = mapped.get (*t);
647 inplace_bufs.get (*t, m).read_from (bufs.get (*t, in_idx), nframes, offset, offset);
649 inplace_bufs.get (*t, m).silence (nframes, offset);
651 mapped.set (*t, m + 1);
655 /* outputs are mapped to inplace_bufs after the inputs */
656 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
657 i_out_map.offset_to (*t, natural_input_streams ().get (*t));
660 if ((*i)->connect_and_run (inplace_bufs, i_in_map, i_out_map, nframes, offset)) {
665 /* all instances have completed, now copy data that was written
666 * and zero unconnected buffers */
667 ARDOUR::ChanMapping nonzero_out (used_outputs);
668 if (has_midi_bypass ()) {
669 nonzero_out.set (DataType::MIDI, 0, 1); // Midi bypass.
671 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
672 for (uint32_t out = 0; out < bufs.count().get (*t); ++out) {
674 used_outputs.get (*t, out, &valid);
676 nonzero_out.get (*t, out, &valid);
678 bufs.get (*t, out).silence (nframes, offset);
681 uint32_t m = out + natural_input_streams ().get (*t);
682 bufs.get (*t, out).read_from (inplace_bufs.get (*t, m), nframes, offset, offset);
687 /* in-place processing */
689 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
690 if ((*i)->connect_and_run(bufs, in_map[pc], out_map[pc], nframes, offset)) {
695 // TODO optimize: store "unconnected" in a fixed set.
696 // it only changes on reconfiguration.
697 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
698 for (uint32_t out = 0; out < bufs.count().get (*t); ++out) {
700 if (*t == DataType::MIDI && out == 0 && has_midi_bypass ()) {
701 mapped = true; // in-place Midi bypass
703 for (uint32_t pc = 0; pc < get_count() && !mapped; ++pc) {
704 for (uint32_t o = 0; o < natural_output_streams().get (*t); ++o) {
706 uint32_t idx = out_map[pc].get (*t, o, &valid);
707 if (valid && idx == out) {
714 bufs.get (*t, out).silence (nframes, offset);
720 if (collect_signal_nframes > 0) {
722 //std::cerr << " output, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
723 //std::cerr << " streams " << internal_output_streams().n_audio() << std::endl;
725 _signal_analysis_outputs.set_count(internal_output_streams());
727 for (uint32_t i = 0; i < internal_output_streams().n_audio(); ++i) {
728 _signal_analysis_outputs.get_audio(i).read_from(
730 collect_signal_nframes,
731 _signal_analysis_collected_nframes); // offset is for target buffer
734 _signal_analysis_collected_nframes += collect_signal_nframes;
735 assert(_signal_analysis_collected_nframes <= _signal_analysis_collect_nframes_max);
737 if (_signal_analysis_collected_nframes == _signal_analysis_collect_nframes_max) {
738 _signal_analysis_collect_nframes_max = 0;
739 _signal_analysis_collected_nframes = 0;
741 AnalysisDataGathered(&_signal_analysis_inputs,
742 &_signal_analysis_outputs);
748 PluginInsert::silence (framecnt_t nframes)
754 ChanMapping in_map (natural_input_streams ());
755 ChanMapping out_map (natural_output_streams ());
757 // TODO run sidechain (delaylines)
758 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
759 (*i)->connect_and_run (_session.get_scratch_buffers ((*i)->get_info()->n_inputs, true), in_map, out_map, nframes, 0);
764 PluginInsert::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
766 if (_pending_active) {
767 /* run as normal if we are active or moving from inactive to active */
770 // collect sidechain input for complete cycle (!)
771 // TODO we need delaylines here for latency compensation
772 _sidechain->run (bufs, start_frame, end_frame, nframes, true);
775 if (_session.transport_rolling() || _session.bounce_processing()) {
776 automation_run (bufs, start_frame, nframes);
778 connect_and_run (bufs, nframes, 0, false);
782 // TODO use mapping in bypassed mode ?!
783 // -> do we bypass the processor or the plugin
785 // TODO include sidechain??
787 uint32_t in = input_streams ().n_audio ();
788 uint32_t out = output_streams().n_audio ();
790 if (has_no_audio_inputs() || in == 0) {
792 /* silence all (audio) outputs. Should really declick
793 * at the transitions of "active"
796 for (uint32_t n = 0; n < out; ++n) {
797 bufs.get_audio (n).silence (nframes);
800 } else if (out > in) {
802 /* not active, but something has make up for any channel count increase
803 * for now , simply replicate last buffer
805 for (uint32_t n = in; n < out; ++n) {
806 bufs.get_audio(n).read_from(bufs.get_audio(in - 1), nframes);
810 bufs.count().set_audio (out);
813 _active = _pending_active;
815 /* we have no idea whether the plugin generated silence or not, so mark
816 * all buffers appropriately.
821 PluginInsert::automation_run (BufferSet& bufs, framepos_t start, pframes_t nframes)
823 Evoral::ControlEvent next_event (0, 0.0f);
824 framepos_t now = start;
825 framepos_t end = now + nframes;
826 framecnt_t offset = 0;
828 Glib::Threads::Mutex::Lock lm (control_lock(), Glib::Threads::TRY_LOCK);
831 connect_and_run (bufs, nframes, offset, false);
835 if (!find_next_event (now, end, next_event) || _plugins.front()->requires_fixed_sized_buffers()) {
837 /* no events have a time within the relevant range */
839 connect_and_run (bufs, nframes, offset, true, now);
845 framecnt_t cnt = min (((framecnt_t) ceil (next_event.when) - now), (framecnt_t) nframes);
847 connect_and_run (bufs, cnt, offset, true, now);
853 if (!find_next_event (now, end, next_event)) {
858 /* cleanup anything that is left to do */
861 connect_and_run (bufs, nframes, offset, true, now);
866 PluginInsert::default_parameter_value (const Evoral::Parameter& param)
868 if (param.type() != PluginAutomation)
871 if (_plugins.empty()) {
872 fatal << _("programming error: ") << X_("PluginInsert::default_parameter_value() called with no plugin")
874 abort(); /*NOTREACHED*/
877 return _plugins[0]->default_value (param.id());
882 PluginInsert::can_reset_all_parameters ()
886 for (uint32_t par = 0; par < _plugins[0]->parameter_count(); ++par) {
888 const uint32_t cid = _plugins[0]->nth_parameter (par, ok);
890 if (!ok || !_plugins[0]->parameter_is_input(cid)) {
894 boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter(PluginAutomation, 0, cid));
900 if (ac->automation_state() & Play) {
905 return all && (params > 0);
909 PluginInsert::reset_parameters_to_default ()
913 for (uint32_t par = 0; par < _plugins[0]->parameter_count(); ++par) {
915 const uint32_t cid = _plugins[0]->nth_parameter (par, ok);
917 if (!ok || !_plugins[0]->parameter_is_input(cid)) {
921 const float dflt = _plugins[0]->default_value (cid);
922 const float curr = _plugins[0]->get_parameter (cid);
928 boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter(PluginAutomation, 0, cid));
933 if (ac->automation_state() & Play) {
938 ac->set_value (dflt, Controllable::NoGroup);
943 boost::shared_ptr<Plugin>
944 PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other)
946 boost::shared_ptr<LadspaPlugin> lp;
947 boost::shared_ptr<LuaProc> lua;
949 boost::shared_ptr<LV2Plugin> lv2p;
951 #ifdef WINDOWS_VST_SUPPORT
952 boost::shared_ptr<WindowsVSTPlugin> vp;
955 boost::shared_ptr<LXVSTPlugin> lxvp;
957 #ifdef AUDIOUNIT_SUPPORT
958 boost::shared_ptr<AUPlugin> ap;
961 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
962 return boost::shared_ptr<Plugin> (new LadspaPlugin (*lp));
963 } else if ((lua = boost::dynamic_pointer_cast<LuaProc> (other)) != 0) {
964 return boost::shared_ptr<Plugin> (new LuaProc (*lua));
966 } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin> (other)) != 0) {
967 return boost::shared_ptr<Plugin> (new LV2Plugin (*lv2p));
969 #ifdef WINDOWS_VST_SUPPORT
970 } else if ((vp = boost::dynamic_pointer_cast<WindowsVSTPlugin> (other)) != 0) {
971 return boost::shared_ptr<Plugin> (new WindowsVSTPlugin (*vp));
974 } else if ((lxvp = boost::dynamic_pointer_cast<LXVSTPlugin> (other)) != 0) {
975 return boost::shared_ptr<Plugin> (new LXVSTPlugin (*lxvp));
977 #ifdef AUDIOUNIT_SUPPORT
978 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
979 return boost::shared_ptr<Plugin> (new AUPlugin (*ap));
983 fatal << string_compose (_("programming error: %1"),
984 X_("unknown plugin type in PluginInsert::plugin_factory"))
986 abort(); /*NOTREACHED*/
987 return boost::shared_ptr<Plugin> ((Plugin*) 0);
991 PluginInsert::set_input_map (uint32_t num, ChanMapping m) {
992 if (num < _in_map.size()) {
993 bool changed = _in_map[num] != m;
995 changed |= sanitize_maps ();
997 PluginMapChanged (); /* EMIT SIGNAL */
998 _mapping_changed = true;
999 _session.set_dirty();
1005 PluginInsert::set_output_map (uint32_t num, ChanMapping m) {
1006 if (num < _out_map.size()) {
1007 bool changed = _out_map[num] != m;
1009 changed |= sanitize_maps ();
1011 PluginMapChanged (); /* EMIT SIGNAL */
1012 _mapping_changed = true;
1013 _session.set_dirty();
1019 PluginInsert::set_thru_map (ChanMapping m) {
1020 bool changed = _thru_map != m;
1022 changed |= sanitize_maps ();
1024 PluginMapChanged (); /* EMIT SIGNAL */
1025 _mapping_changed = true;
1026 _session.set_dirty();
1031 PluginInsert::input_map () const
1035 for (PinMappings::const_iterator i = _in_map.begin (); i != _in_map.end (); ++i, ++pc) {
1036 ChanMapping m (i->second);
1037 const ChanMapping::Mappings& mp ((*i).second.mappings());
1038 for (ChanMapping::Mappings::const_iterator tm = mp.begin(); tm != mp.end(); ++tm) {
1039 for (ChanMapping::TypeMapping::const_iterator i = tm->second.begin(); i != tm->second.end(); ++i) {
1040 rv.set (tm->first, i->first + pc * natural_input_streams().get(tm->first), i->second);
1048 PluginInsert::output_map () const
1052 for (PinMappings::const_iterator i = _out_map.begin (); i != _out_map.end (); ++i, ++pc) {
1053 ChanMapping m (i->second);
1054 const ChanMapping::Mappings& mp ((*i).second.mappings());
1055 for (ChanMapping::Mappings::const_iterator tm = mp.begin(); tm != mp.end(); ++tm) {
1056 for (ChanMapping::TypeMapping::const_iterator i = tm->second.begin(); i != tm->second.end(); ++i) {
1057 rv.set (tm->first, i->first + pc * natural_output_streams().get(tm->first), i->second);
1061 if (has_midi_bypass ()) {
1062 rv.set (DataType::MIDI, 0, 0);
1069 PluginInsert::has_midi_bypass () const
1071 if (_configured_in.n_midi () == 1 && _configured_out.n_midi () == 1
1072 && natural_output_streams ().n_midi () == 0) {
1079 PluginInsert::has_midi_thru () const
1081 if (_configured_in.n_midi () == 1 && _configured_out.n_midi () == 1
1082 && natural_input_streams ().n_midi () == 0 && natural_output_streams ().n_midi () == 0) {
1090 PluginInsert::is_channelstrip () const {
1091 return _plugins.front()->is_channelstrip();
1096 PluginInsert::check_inplace ()
1098 bool inplace_ok = !_plugins.front()->inplace_broken ();
1100 if (_thru_map.n_total () > 0) {
1101 // TODO once midi-bypass is part of the mapping, ignore it
1105 if (_match.method == Split && inplace_ok) {
1106 assert (get_count() == 1);
1107 assert (_in_map.size () == 1);
1108 if (!_out_map[0].is_monotonic ()) {
1111 if (_configured_internal != _configured_in) {
1112 /* no sidechain -- TODO we could allow this with
1113 * some more logic in PluginInsert::connect_and_run().
1115 * PluginInsert::reset_map() already maps it.
1120 for (DataType::iterator t = DataType::begin(); t != DataType::end() && inplace_ok; ++t) {
1121 if (_configured_internal.get (*t) == 0) {
1125 uint32_t first_idx = _in_map[0].get (*t, 0, &valid);
1126 if (!valid || first_idx != 0) {
1127 // so far only allow to copy the *first* stream's buffer to others
1130 for (uint32_t i = 1; i < natural_input_streams ().get (*t); ++i) {
1131 uint32_t idx = _in_map[0].get (*t, i, &valid);
1132 if (valid && idx != first_idx) {
1141 DEBUG_TRACE (DEBUG::ChanMapping, string_compose ("%1: In Place Split Map\n", name()));
1146 for (uint32_t pc = 0; pc < get_count() && inplace_ok ; ++pc) {
1147 if (!_in_map[pc].is_monotonic ()) {
1150 if (!_out_map[pc].is_monotonic ()) {
1154 DEBUG_TRACE (DEBUG::ChanMapping, string_compose ("%1: %2\n", name(), inplace_ok ? "In-Place" : "No Inplace Processing"));
1155 return !inplace_ok; // no-inplace
1159 PluginInsert::sanitize_maps ()
1161 bool changed = false;
1162 /* strip dead wood */
1163 PinMappings new_ins;
1164 PinMappings new_outs;
1165 ChanMapping new_thru (_thru_map);
1167 for (uint32_t pc = 0; pc < get_count(); ++pc) {
1169 ChanMapping new_out;
1170 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1171 for (uint32_t i = 0; i < natural_input_streams().get (*t); ++i) {
1173 uint32_t idx = _in_map[pc].get (*t, i, &valid);
1174 if (valid && idx < _configured_internal.get (*t)) {
1175 new_in.set (*t, i, idx);
1178 for (uint32_t o = 0; o < natural_output_streams().get (*t); ++o) {
1180 uint32_t idx = _out_map[pc].get (*t, o, &valid);
1181 if (valid && idx < _configured_out.get (*t)) {
1182 new_out.set (*t, o, idx);
1186 if (_in_map[pc] != new_in || _out_map[pc] != new_out) {
1189 new_ins[pc] = new_in;
1190 new_outs[pc] = new_out;
1193 /* prevent dup output assignments */
1194 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1195 for (uint32_t o = 0; o < _configured_out.get (*t); ++o) {
1196 bool mapped = false;
1197 for (uint32_t pc = 0; pc < get_count(); ++pc) {
1199 uint32_t idx = new_outs[pc].get_src (*t, o, &valid);
1200 if (valid && mapped) {
1201 new_outs[pc].unset (*t, idx);
1209 /* prevent out + thru, existing plugin outputs override thru */
1210 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1211 for (uint32_t o = 0; o < _configured_out.get (*t); ++o) {
1212 bool mapped = false;
1214 for (uint32_t pc = 0; pc < get_count(); ++pc) {
1215 new_outs[pc].get_src (*t, o, &mapped);
1216 if (mapped) { break; }
1218 if (!mapped) { continue; }
1219 uint32_t idx = new_thru.get (*t, o, &valid);
1221 new_thru.unset (*t, idx);
1226 if (has_midi_bypass ()) {
1227 // TODO: include midi-bypass in the thru set,
1228 // remove dedicated handling.
1229 new_thru.unset (DataType::MIDI, 0);
1232 if (_in_map != new_ins || _out_map != new_outs || _thru_map != new_thru) {
1236 _out_map = new_outs;
1237 _thru_map = new_thru;
1243 PluginInsert::reset_map (bool emit)
1245 const PinMappings old_in (_in_map);
1246 const PinMappings old_out (_out_map);
1250 _thru_map = ChanMapping ();
1252 /* build input map */
1253 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1254 uint32_t sc = 0; // side-chain round-robin (all instances)
1256 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
1257 const uint32_t nis = natural_input_streams ().get(*t);
1258 const uint32_t stride = nis - sidechain_input_pins().get (*t);
1260 /* SC inputs are last in the plugin-insert.. */
1261 const uint32_t sc_start = _configured_in.get (*t);
1262 const uint32_t sc_len = _configured_internal.get (*t) - sc_start;
1263 /* ...but may not be at the end of the plugin ports.
1264 * in case the side-chain is not the last port, shift connections back.
1265 * and connect to side-chain
1268 uint32_t ic = 0; // split inputs
1269 const uint32_t cend = _configured_in.get (*t);
1271 for (uint32_t in = 0; in < nis; ++in) {
1272 const Plugin::IOPortDescription& iod (_plugins[pc]->describe_io_port (*t, true, in));
1273 if (iod.is_sidechain) {
1274 /* connect sidechain sinks to sidechain inputs in round-robin fashion */
1275 if (sc_len > 0) {// side-chain may be hidden
1276 _in_map[pc].set (*t, in, sc_start + sc);
1277 sc = (sc + 1) % sc_len;
1281 if (_match.method == Split) {
1282 if (cend == 0) { continue; }
1283 /* connect *no* sidechain sinks in round-robin fashion */
1284 _in_map[pc].set (*t, in, ic + stride * pc);
1285 ic = (ic + 1) % cend;
1287 uint32_t s = in - shift;
1288 if (stride * pc + s < cend) {
1289 _in_map[pc].set (*t, in, stride * pc + s);
1297 /* build output map */
1299 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
1300 _out_map[pc] = ChanMapping (ChanCount::min (natural_output_streams(), _configured_out));
1301 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1302 _out_map[pc].offset_to(*t, pc * natural_output_streams().get(*t));
1307 if (old_in == _in_map && old_out == _out_map) {
1311 PluginMapChanged (); /* EMIT SIGNAL */
1312 _mapping_changed = true;
1313 _session.set_dirty();
1319 PluginInsert::configure_io (ChanCount in, ChanCount out)
1321 Match old_match = _match;
1323 ChanCount old_internal;
1327 old_in = _configured_in;
1328 old_internal = _configured_internal;
1329 old_out = _configured_out;
1332 _configured_in = in;
1333 _configured_internal = in;
1334 _configured_out = out;
1337 /* TODO hide midi-bypass, and custom outs. Best /fake/ "out" here.
1338 * (currently _sidechain->configure_io always succeeds
1339 * since Processor::configure_io() succeeds)
1341 if (!_sidechain->configure_io (in, out)) {
1342 DEBUG_TRACE (DEBUG::ChanMapping, "Sidechain configuration failed\n");
1345 _configured_internal += _sidechain->input()->n_ports();
1348 /* get plugin configuration */
1349 _match = private_can_support_io_configuration (in, out);
1351 if (DEBUG_ENABLED(DEBUG::ChanMapping)) {
1353 DEBUG_STR_APPEND(a, string_compose ("Match '%1': ", name()));
1354 DEBUG_STR_APPEND(a, _match);
1355 DEBUG_TRACE (DEBUG::ChanMapping, DEBUG_STR(a).str());
1359 /* set the matching method and number of plugins that we will use to meet this configuration */
1360 if (set_count (_match.plugins) == false) {
1361 PluginIoReConfigure (); /* EMIT SIGNAL */
1362 _configured = false;
1366 /* configure plugins */
1367 switch (_match.method) {
1370 if (_plugins.front()->configure_io (natural_input_streams(), out) == false) {
1371 PluginIoReConfigure (); /* EMIT SIGNAL */
1372 _configured = false;
1380 bool const r = _plugins.front()->can_support_io_configuration (in, dout, &useins);
1382 assert (_match.strict_io || dout.n_audio() == out.n_audio()); // sans midi bypass
1383 if (useins.n_audio() == 0) {
1386 if (_plugins.front()->configure_io (useins, dout) == false) {
1387 PluginIoReConfigure (); /* EMIT SIGNAL */
1388 _configured = false;
1394 if (_plugins.front()->configure_io (in, out) == false) {
1395 PluginIoReConfigure (); /* EMIT SIGNAL */
1396 _configured = false;
1402 bool mapping_changed = false;
1403 if (old_in == in && old_out == out
1405 && old_match.method == _match.method
1406 && _in_map.size() == _out_map.size()
1407 && _in_map.size() == get_count ()
1409 /* If the configuration has not changed, keep the mapping */
1410 if (old_internal != _configured_internal) {
1411 mapping_changed = sanitize_maps ();
1413 } else if (_match.custom_cfg && _configured) {
1414 mapping_changed = sanitize_maps ();
1417 if (is_channelstrip ()) { _maps_from_state = false; }
1419 if (_maps_from_state) {
1420 _maps_from_state = false;
1421 mapping_changed = true;
1424 /* generate a new mapping */
1425 mapping_changed = reset_map (false);
1429 if (mapping_changed) {
1430 PluginMapChanged (); /* EMIT SIGNAL */
1433 if (DEBUG_ENABLED(DEBUG::ChanMapping)) {
1436 DEBUG_STR_APPEND(a, "\n--------<<--------\n");
1437 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
1439 DEBUG_STR_APPEND(a, "----><----\n");
1441 DEBUG_STR_APPEND(a, string_compose ("Channel Map for %1 plugin %2\n", name(), pc));
1442 DEBUG_STR_APPEND(a, " * Inputs:\n");
1443 DEBUG_STR_APPEND(a, _in_map[pc]);
1444 DEBUG_STR_APPEND(a, " * Outputs:\n");
1445 DEBUG_STR_APPEND(a, _out_map[pc]);
1447 DEBUG_STR_APPEND(a, " * Thru:\n");
1448 DEBUG_STR_APPEND(a, _thru_map);
1449 DEBUG_STR_APPEND(a, "-------->>--------\n");
1450 DEBUG_TRACE (DEBUG::ChanMapping, DEBUG_STR(a).str());
1455 _no_inplace = check_inplace ();
1456 _mapping_changed = false;
1458 /* only the "noinplace_buffers" thread buffers need to be this large,
1459 * this can be optimized. other buffers are fine with
1460 * ChanCount::max (natural_input_streams (), natural_output_streams())
1462 _required_buffers = natural_input_streams () + natural_output_streams() * get_count();
1464 if (old_in != in || old_out != out || old_internal != _configured_internal
1465 || (old_match.method != _match.method && (old_match.method == Split || _match.method == Split))
1467 PluginIoReConfigure (); /* EMIT SIGNAL */
1470 _delaybuffers.configure (_configured_out, _plugins.front()->max_latency ());
1471 _latency_changed = true;
1473 // we don't know the analysis window size, so we must work with the
1474 // current buffer size here. each request for data fills in these
1475 // buffers and the analyser makes sure it gets enough data for the
1477 session().ensure_buffer_set (_signal_analysis_inputs, in);
1478 //_signal_analysis_inputs.set_count (in);
1480 session().ensure_buffer_set (_signal_analysis_outputs, out);
1481 //_signal_analysis_outputs.set_count (out);
1483 // std::cerr << "set counts to i" << in.n_audio() << "/o" << out.n_audio() << std::endl;
1486 return Processor::configure_io (in, out);
1489 /** Decide whether this PluginInsert can support a given IO configuration.
1490 * To do this, we run through a set of possible solutions in rough order of
1493 * @param in Required input channel count.
1494 * @param out Filled in with the output channel count if we return true.
1495 * @return true if the given IO configuration can be supported.
1498 PluginInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out)
1501 _sidechain->can_support_io_configuration (in, out); // never fails, sets "out"
1503 return private_can_support_io_configuration (in, out).method != Impossible;
1506 /** A private version of can_support_io_configuration which returns the method
1507 * by which the configuration can be matched, rather than just whether or not
1511 PluginInsert::private_can_support_io_configuration (ChanCount const & inx, ChanCount& out) const
1513 if (_plugins.empty()) {
1518 if (is_channelstrip ()) {
1520 return Match (ExactMatch, 1);
1524 /* if a user specified a custom cfg, so be it. */
1527 return Match (ExactMatch, get_count(), _strict_io, true); // XXX
1530 /* try automatic configuration */
1531 Match m = PluginInsert::automatic_can_support_io_configuration (inx, out);
1533 PluginInfoPtr info = _plugins.front()->get_info();
1534 ChanCount inputs = info->n_inputs;
1535 ChanCount outputs = info->n_outputs;
1537 /* handle case strict-i/o */
1538 if (_strict_io && m.method != Impossible) {
1541 /* special case MIDI instruments */
1542 if (needs_midi_input ()) {
1543 // output = midi-bypass + at most master-out channels.
1544 ChanCount max_out (DataType::AUDIO, 2); // TODO use master-out
1545 max_out.set (DataType::MIDI, out.get(DataType::MIDI));
1546 out = ChanCount::min (out, max_out);
1547 DEBUG_TRACE (DEBUG::ChanMapping, string_compose ("special case strict-i/o instrument: %1\n", name()));
1553 if (inx.n_audio () != out.n_audio ()) { // ignore midi bypass
1554 /* replicate processor to match output count (generators and such)
1555 * at least enough to feed every output port. */
1556 uint32_t f = 1; // at least one. e.g. control data filters, no in, no out.
1557 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1558 uint32_t nout = outputs.get (*t);
1559 if (nout == 0 || inx.get(*t) == 0) { continue; }
1560 f = max (f, (uint32_t) ceil (inx.get(*t) / (float)nout));
1563 DEBUG_TRACE (DEBUG::ChanMapping, string_compose ("special case strict-i/o generator: %1\n", name()));
1564 return Match (Replicate, f, _strict_io);
1575 if (m.method != Impossible) {
1579 ChanCount ns_inputs = inputs - sidechain_input_pins ();
1581 DEBUG_TRACE (DEBUG::ChanMapping, string_compose ("resolving 'Impossible' match for %1\n", name()));
1583 if (info->reconfigurable_io()) {
1585 // TODO add sidechains here
1586 bool const r = _plugins.front()->can_support_io_configuration (inx, out, &useins);
1588 // houston, we have a problem.
1589 return Match (Impossible, 0);
1591 return Match (Delegate, 1, _strict_io);
1594 ChanCount midi_bypass;
1595 if (inx.get(DataType::MIDI) == 1 && outputs.get(DataType::MIDI) == 0) {
1596 midi_bypass.set (DataType::MIDI, 1);
1599 // add at least as many plugins so that output count matches input count (w/o sidechain pins)
1601 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1602 uint32_t nin = ns_inputs.get (*t);
1603 uint32_t nout = outputs.get (*t);
1604 if (nin == 0 || inx.get(*t) == 0) { continue; }
1605 // prefer floor() so the count won't overly increase IFF (nin < nout)
1606 f = max (f, (uint32_t) floor (inx.get(*t) / (float)nout));
1608 if (f > 0 && outputs * f >= _configured_out) {
1609 out = outputs * f + midi_bypass;
1610 return Match (Replicate, f, _strict_io);
1613 // add at least as many plugins needed to connect all inputs (w/o sidechain pins)
1615 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1616 uint32_t nin = ns_inputs.get (*t);
1617 if (nin == 0 || inx.get(*t) == 0) { continue; }
1618 f = max (f, (uint32_t) ceil (inx.get(*t) / (float)nin));
1621 out = outputs * f + midi_bypass;
1622 return Match (Replicate, f, _strict_io);
1625 // add at least as many plugins needed to connect all inputs
1627 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1628 uint32_t nin = inputs.get (*t);
1629 if (nin == 0 || inx.get(*t) == 0) { continue; }
1630 f = max (f, (uint32_t) ceil (inx.get(*t) / (float)nin));
1632 out = outputs * f + midi_bypass;
1633 return Match (Replicate, f, _strict_io);
1636 /* this is the original Ardour 3/4 behavior, mainly for backwards compatibility */
1638 PluginInsert::automatic_can_support_io_configuration (ChanCount const & inx, ChanCount& out) const
1640 if (_plugins.empty()) {
1644 PluginInfoPtr info = _plugins.front()->get_info();
1645 ChanCount in; in += inx;
1646 ChanCount midi_bypass;
1648 if (info->reconfigurable_io()) {
1649 /* Plugin has flexible I/O, so delegate to it */
1650 bool const r = _plugins.front()->can_support_io_configuration (in, out);
1652 return Match (Impossible, 0);
1654 return Match (Delegate, 1);
1657 ChanCount inputs = info->n_inputs;
1658 ChanCount outputs = info->n_outputs;
1659 ChanCount ns_inputs = inputs - sidechain_input_pins ();
1661 if (in.get(DataType::MIDI) == 1 && outputs.get(DataType::MIDI) == 0) {
1662 DEBUG_TRACE (DEBUG::ChanMapping, string_compose ("bypassing midi-data around %1\n", name()));
1663 midi_bypass.set (DataType::MIDI, 1);
1665 if (in.get(DataType::MIDI) == 1 && inputs.get(DataType::MIDI) == 0) {
1666 DEBUG_TRACE (DEBUG::ChanMapping, string_compose ("hiding midi-port from plugin %1\n", name()));
1667 in.set(DataType::MIDI, 0);
1670 // add internally provided sidechain ports
1671 ChanCount insc = in + sidechain_input_ports ();
1673 bool no_inputs = true;
1674 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1675 if (inputs.get (*t) != 0) {
1682 /* no inputs so we can take any input configuration since we throw it away */
1683 out = outputs + midi_bypass;
1684 return Match (NoInputs, 1);
1687 /* Plugin inputs match requested inputs + side-chain-ports exactly */
1688 if (inputs == insc) {
1689 out = outputs + midi_bypass;
1690 return Match (ExactMatch, 1);
1693 /* Plugin inputs matches without side-chain-pins */
1694 if (ns_inputs == in) {
1695 out = outputs + midi_bypass;
1696 return Match (ExactMatch, 1);
1699 /* We may be able to run more than one copy of the plugin within this insert
1700 to cope with the insert having more inputs than the plugin.
1701 We allow replication only for plugins with either zero or 1 inputs and outputs
1702 for every valid data type.
1706 bool can_replicate = true;
1707 for (DataType::iterator t = DataType::begin(); t != DataType::end() && can_replicate; ++t) {
1709 // ignore side-chains
1710 uint32_t nin = ns_inputs.get (*t);
1712 // No inputs of this type
1713 if (nin == 0 && in.get(*t) == 0) {
1717 if (nin != 1 || outputs.get (*t) != 1) {
1718 can_replicate = false;
1722 // Potential factor not set yet
1724 f = in.get(*t) / nin;
1727 // Factor for this type does not match another type, can not replicate
1728 if (f != (in.get(*t) / nin)) {
1729 can_replicate = false;
1734 if (can_replicate && f > 0) {
1735 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1736 out.set (*t, outputs.get(*t) * f);
1739 return Match (Replicate, f);
1742 /* If the processor has exactly one input of a given type, and
1743 the plugin has more, we can feed the single processor input
1744 to some or all of the plugin inputs. This is rather
1745 special-case-y, but the 1-to-many case is by far the
1746 simplest. How do I split thy 2 processor inputs to 3
1747 plugin inputs? Let me count the ways ...
1750 bool can_split = true;
1751 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1753 bool const can_split_type = (in.get (*t) == 1 && ns_inputs.get (*t) > 1);
1754 bool const nothing_to_do_for_type = (in.get (*t) == 0 && inputs.get (*t) == 0);
1756 if (!can_split_type && !nothing_to_do_for_type) {
1762 out = outputs + midi_bypass;
1763 return Match (Split, 1);
1766 /* If the plugin has more inputs than we want, we can `hide' some of them
1767 by feeding them silence.
1770 bool could_hide = false;
1771 bool cannot_hide = false;
1772 ChanCount hide_channels;
1774 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1775 if (inputs.get(*t) > in.get(*t)) {
1776 /* there is potential to hide, since the plugin has more inputs of type t than the insert */
1777 hide_channels.set (*t, inputs.get(*t) - in.get(*t));
1779 } else if (inputs.get(*t) < in.get(*t)) {
1780 /* we definitely cannot hide, since the plugin has fewer inputs of type t than the insert */
1785 if (could_hide && !cannot_hide) {
1786 out = outputs + midi_bypass;
1787 return Match (Hide, 1, false, false, hide_channels);
1790 return Match (Impossible, 0);
1795 PluginInsert::get_state ()
1797 return state (true);
1801 PluginInsert::state (bool full)
1803 XMLNode& node = Processor::state (full);
1805 node.add_property("type", _plugins[0]->state_node_name());
1806 node.add_property("unique-id", _plugins[0]->unique_id());
1807 node.add_property("count", string_compose("%1", _plugins.size()));
1809 /* remember actual i/o configuration (for later placeholder
1810 * in case the plugin goes missing) */
1811 node.add_child_nocopy (* _configured_in.state (X_("ConfiguredInput")));
1812 node.add_child_nocopy (* _configured_out.state (X_("ConfiguredOutput")));
1814 /* save custom i/o config */
1815 node.add_property("custom", _custom_cfg ? "yes" : "no");
1816 for (uint32_t pc = 0; pc < get_count(); ++pc) {
1818 snprintf (tmp, sizeof(tmp), "InputMap-%d", pc);
1819 node.add_child_nocopy (* _in_map[pc].state (tmp));
1820 snprintf (tmp, sizeof(tmp), "OutputMap-%d", pc);
1821 node.add_child_nocopy (* _out_map[pc].state (tmp));
1823 node.add_child_nocopy (* _thru_map.state ("ThruMap"));
1826 node.add_child_nocopy (_sidechain->state (full));
1829 _plugins[0]->set_insert_id(this->id());
1830 node.add_child_nocopy (_plugins[0]->get_state());
1832 for (Controls::iterator c = controls().begin(); c != controls().end(); ++c) {
1833 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> ((*c).second);
1835 node.add_child_nocopy (ac->get_state());
1843 PluginInsert::set_control_ids (const XMLNode& node, int version)
1845 const XMLNodeList& nlist = node.children();
1846 XMLNodeConstIterator iter;
1847 set<Evoral::Parameter>::const_iterator p;
1849 for (iter = nlist.begin(); iter != nlist.end(); ++iter) {
1850 if ((*iter)->name() == Controllable::xml_node_name) {
1851 const XMLProperty* prop;
1853 uint32_t p = (uint32_t)-1;
1855 if ((prop = (*iter)->property (X_("symbol"))) != 0) {
1856 boost::shared_ptr<LV2Plugin> lv2plugin = boost::dynamic_pointer_cast<LV2Plugin> (_plugins[0]);
1858 p = lv2plugin->port_index(prop->value().c_str());
1862 if (p == (uint32_t)-1 && (prop = (*iter)->property (X_("parameter"))) != 0) {
1863 p = atoi (prop->value());
1866 if (p != (uint32_t)-1) {
1868 /* this may create the new controllable */
1870 boost::shared_ptr<Evoral::Control> c = control (Evoral::Parameter (PluginAutomation, 0, p));
1872 #ifndef NO_PLUGIN_STATE
1876 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> (c);
1878 ac->set_state (**iter, version);
1887 PluginInsert::set_state(const XMLNode& node, int version)
1889 XMLNodeList nlist = node.children();
1890 XMLNodeIterator niter;
1891 XMLPropertyList plist;
1892 const XMLProperty *prop;
1893 ARDOUR::PluginType type;
1895 if ((prop = node.property ("type")) == 0) {
1896 error << _("XML node describing plugin is missing the `type' field") << endmsg;
1900 if (prop->value() == X_("ladspa") || prop->value() == X_("Ladspa")) { /* handle old school sessions */
1901 type = ARDOUR::LADSPA;
1902 } else if (prop->value() == X_("lv2")) {
1904 } else if (prop->value() == X_("windows-vst")) {
1905 type = ARDOUR::Windows_VST;
1906 } else if (prop->value() == X_("lxvst")) {
1907 type = ARDOUR::LXVST;
1908 } else if (prop->value() == X_("audiounit")) {
1909 type = ARDOUR::AudioUnit;
1910 } else if (prop->value() == X_("luaproc")) {
1913 error << string_compose (_("unknown plugin type %1 in plugin insert state"),
1919 prop = node.property ("unique-id");
1922 #ifdef WINDOWS_VST_SUPPORT
1923 /* older sessions contain VST plugins with only an "id" field.
1926 if (type == ARDOUR::Windows_VST) {
1927 prop = node.property ("id");
1931 #ifdef LXVST_SUPPORT
1932 /*There shouldn't be any older sessions with linuxVST support.. but anyway..*/
1934 if (type == ARDOUR::LXVST) {
1935 prop = node.property ("id");
1941 error << _("Plugin has no unique ID field") << endmsg;
1946 boost::shared_ptr<Plugin> plugin = find_plugin (_session, prop->value(), type);
1948 /* treat linux and windows VST plugins equivalent if they have the same uniqueID
1949 * allow to move sessions windows <> linux */
1950 #ifdef LXVST_SUPPORT
1951 if (plugin == 0 && type == ARDOUR::Windows_VST) {
1952 type = ARDOUR::LXVST;
1953 plugin = find_plugin (_session, prop->value(), type);
1957 #ifdef WINDOWS_VST_SUPPORT
1958 if (plugin == 0 && type == ARDOUR::LXVST) {
1959 type = ARDOUR::Windows_VST;
1960 plugin = find_plugin (_session, prop->value(), type);
1965 error << string_compose(
1966 _("Found a reference to a plugin (\"%1\") that is unknown.\n"
1967 "Perhaps it was removed or moved since it was last used."),
1973 if (type == ARDOUR::Lua) {
1974 XMLNode *ls = node.child (plugin->state_node_name().c_str());
1975 // we need to load the script to set the name and parameters.
1976 boost::shared_ptr<LuaProc> lp = boost::dynamic_pointer_cast<LuaProc>(plugin);
1978 lp->set_script_from_state (*ls);
1982 // The name of the PluginInsert comes from the plugin, nothing else
1983 _name = plugin->get_info()->name;
1987 // Processor::set_state() will set this, but too late
1988 // for it to be available when setting up plugin
1989 // state. We can't call Processor::set_state() until
1990 // the plugins themselves are created and added.
1994 if (_plugins.empty()) {
1995 /* if we are adding the first plugin, we will need to set
1996 up automatable controls.
1998 add_plugin (plugin);
1999 create_automatable_parameters ();
2000 set_control_ids (node, version);
2003 if ((prop = node.property ("count")) != 0) {
2004 sscanf (prop->value().c_str(), "%u", &count);
2007 if (_plugins.size() != count) {
2008 for (uint32_t n = 1; n < count; ++n) {
2009 add_plugin (plugin_factory (plugin));
2013 Processor::set_state (node, version);
2015 PBD::ID new_id = this->id();
2016 PBD::ID old_id = this->id();
2018 if ((prop = node.property ("id")) != 0) {
2019 old_id = prop->value ();
2022 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2024 /* find the node with the type-specific node name ("lv2", "ladspa", etc)
2025 and set all plugins to the same state.
2028 if ((*niter)->name() == plugin->state_node_name()) {
2030 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
2031 /* Plugin state can include external files which are named after the ID.
2033 * If regenerate_xml_or_string_ids() is set, the ID will already have
2034 * been changed, so we need to use the old ID from the XML to load the
2035 * state and then update the ID.
2037 * When copying a plugin-state, route_ui takes care of of updating the ID,
2038 * but we need to call set_insert_id() to clear the cached plugin-state
2039 * and force a change.
2041 if (!regenerate_xml_or_string_ids ()) {
2042 (*i)->set_insert_id (new_id);
2044 (*i)->set_insert_id (old_id);
2047 (*i)->set_state (**niter, version);
2049 if (regenerate_xml_or_string_ids ()) {
2050 (*i)->set_insert_id (new_id);
2058 if (version < 3000) {
2060 /* Only 2.X sessions need a call to set_parameter_state() - in 3.X and above
2061 this is all handled by Automatable
2064 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2065 if ((*niter)->name() == "Redirect") {
2066 /* XXX do we need to tackle placement? i think not (pd; oct 16 2009) */
2067 Processor::set_state (**niter, version);
2072 set_parameter_state_2X (node, version);
2075 if ((prop = node.property (X_("custom"))) != 0) {
2076 _custom_cfg = string_is_affirmative (prop->value());
2079 uint32_t in_maps = 0;
2080 uint32_t out_maps = 0;
2081 XMLNodeList kids = node.children ();
2082 for (XMLNodeIterator i = kids.begin(); i != kids.end(); ++i) {
2083 if ((*i)->name() == X_("ConfiguredOutput")) {
2084 _custom_out = ChanCount(**i);
2086 if (strncmp ((*i)->name ().c_str(), X_("InputMap-"), 9) == 0) {
2087 long pc = atol (&((*i)->name().c_str()[9]));
2088 if (pc >=0 && pc <= get_count()) {
2089 _in_map[pc] = ChanMapping (**i);
2093 if (strncmp ((*i)->name ().c_str(), X_("OutputMap-"), 10) == 0) {
2094 long pc = atol (&((*i)->name().c_str()[10]));
2095 if (pc >=0 && pc <= get_count()) {
2096 _out_map[pc] = ChanMapping (**i);
2100 if ((*i)->name () == "ThruMap") {
2101 _thru_map = ChanMapping (**i);
2104 // sidechain is a Processor (IO)
2105 if ((*i)->name () == Processor::state_node_name) {
2109 _sidechain->set_state (**i, version);
2113 if (in_maps == out_maps && out_maps >0 && out_maps == get_count()) {
2114 _maps_from_state = true;
2117 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
2121 (*i)->deactivate ();
2125 PluginConfigChanged (); /* EMIT SIGNAL */
2130 PluginInsert::update_id (PBD::ID id)
2133 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
2134 (*i)->set_insert_id (id);
2139 PluginInsert::set_state_dir (const std::string& d)
2141 // state() only saves the state of the first plugin
2142 _plugins[0]->set_state_dir (d);
2146 PluginInsert::set_parameter_state_2X (const XMLNode& node, int version)
2148 XMLNodeList nlist = node.children();
2149 XMLNodeIterator niter;
2151 /* look for port automation node */
2153 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2155 if ((*niter)->name() != port_automation_node_name) {
2161 XMLNodeConstIterator iter;
2166 cnodes = (*niter)->children ("port");
2168 for (iter = cnodes.begin(); iter != cnodes.end(); ++iter){
2172 if ((cprop = child->property("number")) != 0) {
2173 port = cprop->value().c_str();
2175 warning << _("PluginInsert: Auto: no ladspa port number") << endmsg;
2179 sscanf (port, "%" PRIu32, &port_id);
2181 if (port_id >= _plugins[0]->parameter_count()) {
2182 warning << _("PluginInsert: Auto: port id out of range") << endmsg;
2186 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(
2187 control(Evoral::Parameter(PluginAutomation, 0, port_id), true));
2189 if (c && c->alist()) {
2190 if (!child->children().empty()) {
2191 c->alist()->set_state (*child->children().front(), version);
2193 /* In some cases 2.X saves lists with min_yval and max_yval
2194 being FLT_MIN and FLT_MAX respectively. This causes problems
2195 in A3 because these min/max values are used to compute
2196 where GUI control points should be drawn. If we see such
2197 values, `correct' them to the min/max of the appropriate
2201 float min_y = c->alist()->get_min_y ();
2202 float max_y = c->alist()->get_max_y ();
2204 ParameterDescriptor desc;
2205 _plugins.front()->get_parameter_descriptor (port_id, desc);
2207 if (min_y == FLT_MIN) {
2211 if (max_y == FLT_MAX) {
2215 c->alist()->set_yrange (min_y, max_y);
2218 error << string_compose (_("PluginInsert: automatable control %1 not found - ignored"), port_id) << endmsg;
2230 PluginInsert::describe_parameter (Evoral::Parameter param)
2232 if (param.type() == PluginAutomation) {
2233 return _plugins[0]->describe_parameter (param);
2234 } else if (param.type() == PluginPropertyAutomation) {
2235 boost::shared_ptr<AutomationControl> c(automation_control(param));
2236 if (c && !c->desc().label.empty()) {
2237 return c->desc().label;
2240 return Automatable::describe_parameter(param);
2244 PluginInsert::signal_latency() const
2246 if (_user_latency) {
2247 return _user_latency;
2250 return _plugins[0]->signal_latency ();
2254 PluginInsert::type ()
2256 return plugin()->get_info()->type;
2259 PluginInsert::PluginControl::PluginControl (PluginInsert* p,
2260 const Evoral::Parameter& param,
2261 const ParameterDescriptor& desc,
2262 boost::shared_ptr<AutomationList> list)
2263 : AutomationControl (p->session(), param, desc, list, p->describe_parameter(param))
2267 alist()->reset_default (desc.normal);
2269 list->set_interpolation(Evoral::ControlList::Discrete);
2274 set_flags(Controllable::Toggle);
2278 /** @param val `user' value */
2280 PluginInsert::PluginControl::set_value (double user_val, PBD::Controllable::GroupControlDisposition group_override)
2283 _set_value (user_val, group_override);
2287 PluginInsert::PluginControl::set_value_unchecked (double user_val)
2289 /* used only by automation playback */
2290 _set_value (user_val, Controllable::NoGroup);
2294 PluginInsert::PluginControl::_set_value (double user_val, PBD::Controllable::GroupControlDisposition group_override)
2296 /* FIXME: probably should be taking out some lock here.. */
2298 for (Plugins::iterator i = _plugin->_plugins.begin(); i != _plugin->_plugins.end(); ++i) {
2299 (*i)->set_parameter (_list->parameter().id(), user_val);
2302 boost::shared_ptr<Plugin> iasp = _plugin->_impulseAnalysisPlugin.lock();
2304 iasp->set_parameter (_list->parameter().id(), user_val);
2307 AutomationControl::set_value (user_val, group_override);
2311 PluginInsert::PluginControl::catch_up_with_external_value (double user_val)
2313 AutomationControl::set_value (user_val, Controllable::NoGroup);
2317 PluginInsert::PluginControl::get_state ()
2321 XMLNode& node (AutomationControl::get_state());
2322 ss << parameter().id();
2323 node.add_property (X_("parameter"), ss.str());
2325 boost::shared_ptr<LV2Plugin> lv2plugin = boost::dynamic_pointer_cast<LV2Plugin> (_plugin->_plugins[0]);
2327 node.add_property (X_("symbol"), lv2plugin->port_symbol (parameter().id()));
2334 /** @return `user' val */
2336 PluginInsert::PluginControl::get_value () const
2338 boost::shared_ptr<Plugin> plugin = _plugin->plugin (0);
2344 return plugin->get_parameter (_list->parameter().id());
2347 PluginInsert::PluginPropertyControl::PluginPropertyControl (PluginInsert* p,
2348 const Evoral::Parameter& param,
2349 const ParameterDescriptor& desc,
2350 boost::shared_ptr<AutomationList> list)
2351 : AutomationControl (p->session(), param, desc, list)
2355 alist()->set_yrange (desc.lower, desc.upper);
2356 alist()->reset_default (desc.normal);
2360 set_flags(Controllable::Toggle);
2365 PluginInsert::PluginPropertyControl::set_value (double user_val, PBD::Controllable::GroupControlDisposition /* group_override*/)
2368 set_value_unchecked (user_val);
2373 PluginInsert::PluginPropertyControl::set_value_unchecked (double user_val)
2375 /* Old numeric set_value(), coerce to appropriate datatype if possible.
2376 This is lossy, but better than nothing until Ardour's automation system
2377 can handle various datatypes all the way down. */
2378 const Variant value(_desc.datatype, user_val);
2379 if (value.type() == Variant::NOTHING) {
2380 error << "set_value(double) called for non-numeric property" << endmsg;
2384 for (Plugins::iterator i = _plugin->_plugins.begin(); i != _plugin->_plugins.end(); ++i) {
2385 (*i)->set_property(_list->parameter().id(), value);
2389 AutomationControl::set_value (user_val, Controllable::NoGroup);
2393 PluginInsert::PluginPropertyControl::get_state ()
2397 XMLNode& node (AutomationControl::get_state());
2398 ss << parameter().id();
2399 node.add_property (X_("property"), ss.str());
2400 node.remove_property (X_("value"));
2406 PluginInsert::PluginPropertyControl::get_value () const
2408 return _value.to_double();
2411 boost::shared_ptr<Plugin>
2412 PluginInsert::get_impulse_analysis_plugin()
2414 boost::shared_ptr<Plugin> ret;
2415 if (_impulseAnalysisPlugin.expired()) {
2416 ret = plugin_factory(_plugins[0]);
2417 ret->configure_io (internal_input_streams (), internal_output_streams ());
2418 _impulseAnalysisPlugin = ret;
2420 ret = _impulseAnalysisPlugin.lock();
2427 PluginInsert::collect_signal_for_analysis (framecnt_t nframes)
2429 // called from outside the audio thread, so this should be safe
2430 // only do audio as analysis is (currently) only for audio plugins
2431 _signal_analysis_inputs.ensure_buffers( DataType::AUDIO, internal_input_streams().n_audio(), nframes);
2432 _signal_analysis_outputs.ensure_buffers( DataType::AUDIO, internal_output_streams().n_audio(), nframes);
2434 _signal_analysis_collected_nframes = 0;
2435 _signal_analysis_collect_nframes_max = nframes;
2438 /** Add a plugin to our list */
2440 PluginInsert::add_plugin (boost::shared_ptr<Plugin> plugin)
2442 plugin->set_insert_id (this->id());
2444 if (_plugins.empty()) {
2445 /* first (and probably only) plugin instance - connect to relevant signals */
2447 plugin->ParameterChangedExternally.connect_same_thread (*this, boost::bind (&PluginInsert::parameter_changed_externally, this, _1, _2));
2448 plugin->StartTouch.connect_same_thread (*this, boost::bind (&PluginInsert::start_touch, this, _1));
2449 plugin->EndTouch.connect_same_thread (*this, boost::bind (&PluginInsert::end_touch, this, _1));
2450 plugin->LatencyChanged.connect_same_thread (*this, boost::bind (&PluginInsert::latency_changed, this, _1, _2));
2451 // cache sidechain port count
2452 _cached_sidechain_pins.reset ();
2453 const ChanCount& nis (plugin->get_info()->n_inputs);
2454 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
2455 for (uint32_t in = 0; in < nis.get (*t); ++in) {
2456 const Plugin::IOPortDescription& iod (plugin->describe_io_port (*t, true, in));
2457 if (iod.is_sidechain) {
2458 _cached_sidechain_pins.set (*t, 1 + _cached_sidechain_pins.n(*t));
2463 #if (defined WINDOWS_VST_SUPPORT || defined LXVST_SUPPORT)
2464 boost::shared_ptr<VSTPlugin> vst = boost::dynamic_pointer_cast<VSTPlugin> (plugin);
2466 vst->set_insert (this, _plugins.size ());
2469 _plugins.push_back (plugin);
2473 PluginInsert::realtime_handle_transport_stopped ()
2475 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
2476 (*i)->realtime_handle_transport_stopped ();
2481 PluginInsert::realtime_locate ()
2483 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
2484 (*i)->realtime_locate ();
2489 PluginInsert::monitoring_changed ()
2491 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
2492 (*i)->monitoring_changed ();
2497 PluginInsert::latency_changed (framecnt_t, framecnt_t)
2499 // this is called in RT context, LatencyChanged is emitted after run()
2500 _latency_changed = true;
2504 PluginInsert::start_touch (uint32_t param_id)
2506 boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter (PluginAutomation, 0, param_id));
2508 ac->start_touch (session().audible_frame());
2513 PluginInsert::end_touch (uint32_t param_id)
2515 boost::shared_ptr<AutomationControl> ac = automation_control (Evoral::Parameter (PluginAutomation, 0, param_id));
2517 ac->stop_touch (true, session().audible_frame());
2521 std::ostream& operator<<(std::ostream& o, const ARDOUR::PluginInsert::Match& m)
2524 case PluginInsert::Impossible: o << "Impossible"; break;
2525 case PluginInsert::Delegate: o << "Delegate"; break;
2526 case PluginInsert::NoInputs: o << "NoInputs"; break;
2527 case PluginInsert::ExactMatch: o << "ExactMatch"; break;
2528 case PluginInsert::Replicate: o << "Replicate"; break;
2529 case PluginInsert::Split: o << "Split"; break;
2530 case PluginInsert::Hide: o << "Hide"; break;
2532 o << " cnt: " << m.plugins
2533 << (m.strict_io ? " strict-io" : "")
2534 << (m.custom_cfg ? " custom-cfg" : "");
2535 if (m.method == PluginInsert::Hide) {
2536 o << " hide: " << m.hide;