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"
27 #include "pbd/failed_constructor.h"
28 #include "pbd/xml++.h"
30 #include "ardour/audio_buffer.h"
31 #include "ardour/automation_list.h"
32 #include "ardour/buffer_set.h"
33 #include "ardour/event_type_map.h"
34 #include "ardour/ladspa_plugin.h"
35 #include "ardour/plugin.h"
36 #include "ardour/plugin_insert.h"
37 #include "ardour/port.h"
38 #include "ardour/route.h"
41 #include "ardour/lv2_plugin.h"
45 #include "ardour/vst_plugin.h"
48 #ifdef HAVE_AUDIOUNITS
49 #include "ardour/audio_unit.h"
52 #include "ardour/audioengine.h"
53 #include "ardour/session.h"
54 #include "ardour/types.h"
59 using namespace ARDOUR;
62 const string PluginInsert::port_automation_node_name = "PortAutomation";
64 PluginInsert::PluginInsert (Session& s, boost::shared_ptr<Plugin> plug)
65 : Processor (s, plug->name())
66 , _signal_analysis_collected_nframes(0)
67 , _signal_analysis_collect_nframes_max(0)
69 /* the first is the master */
71 _plugins.push_back (plug);
75 Glib::Mutex::Lock em (_session.engine().process_lock());
76 IO::PortCountChanged (max(input_streams(), output_streams()));
79 ProcessorCreated (this); /* EMIT SIGNAL */
82 PluginInsert::PluginInsert (Session& s, const XMLNode& node)
83 : Processor (s, "unnamed plugin insert"),
84 _signal_analysis_collected_nframes(0),
85 _signal_analysis_collect_nframes_max(0)
87 if (set_state (node, Stateful::loading_state_version)) {
88 throw failed_constructor();
91 _pending_active = _active;
94 Glib::Mutex::Lock em (_session.engine().process_lock());
95 IO::PortCountChanged (max(input_streams(), output_streams()));
100 PluginInsert::set_count (uint32_t num)
102 bool require_state = !_plugins.empty();
104 /* this is a bad idea.... we shouldn't do this while active.
105 only a route holding their redirect_lock should be calling this
110 } else if (num > _plugins.size()) {
111 uint32_t diff = num - _plugins.size();
113 for (uint32_t n = 0; n < diff; ++n) {
114 _plugins.push_back (plugin_factory (_plugins[0]));
117 /* XXX do something */
121 } else if (num < _plugins.size()) {
122 uint32_t diff = _plugins.size() - num;
123 for (uint32_t n= 0; n < diff; ++n) {
131 PluginInsert::~PluginInsert ()
137 PluginInsert::auto_state_changed (Evoral::Parameter which)
139 if (which.type() != PluginAutomation)
142 boost::shared_ptr<AutomationControl> c
143 = boost::dynamic_pointer_cast<AutomationControl>(data().control (which));
145 if (c && ((AutomationList*)c->list().get())->automation_state() != Off) {
146 _plugins[0]->set_parameter (which.id(), c->list()->eval (_session.transport_frame()));
151 PluginInsert::output_streams() const
153 ChanCount out = _plugins.front()->get_info()->n_outputs;
155 if (out == ChanCount::INFINITE) {
156 return _plugins.front()->output_streams ();
158 out.set_audio (out.n_audio() * _plugins.size());
159 out.set_midi (out.n_midi() * _plugins.size());
165 PluginInsert::input_streams() const
167 ChanCount in = _plugins[0]->get_info()->n_inputs;
169 if (in == ChanCount::INFINITE) {
170 return _plugins[0]->input_streams ();
172 in.set_audio (in.n_audio() * _plugins.size());
173 in.set_midi (in.n_midi() * _plugins.size());
179 PluginInsert::natural_output_streams() const
181 return _plugins[0]->get_info()->n_outputs;
185 PluginInsert::natural_input_streams() const
187 return _plugins[0]->get_info()->n_inputs;
191 PluginInsert::is_generator() const
193 /* XXX more finesse is possible here. VST plugins have a
194 a specific "instrument" flag, for example.
197 return _plugins[0]->get_info()->n_inputs.n_audio() == 0;
201 PluginInsert::set_automatable ()
203 set<Evoral::Parameter> a = _plugins.front()->automatable ();
205 Plugin::ParameterDescriptor desc;
207 for (set<Evoral::Parameter>::iterator i = a.begin(); i != a.end(); ++i) {
208 if (i->type() == PluginAutomation) {
210 _plugins.front()->get_parameter_descriptor(i->id(), desc);
211 Evoral::Parameter param(*i);
212 param.set_range(desc.lower, desc.upper, _plugins.front()->default_value(i->id()));
213 boost::shared_ptr<AutomationList> list(new AutomationList(param));
214 add_control(boost::shared_ptr<AutomationControl>(new PluginControl(this, *i, list)));
220 PluginInsert::parameter_changed (Evoral::Parameter which, float val)
222 if (which.type() != PluginAutomation)
225 Plugins::iterator i = _plugins.begin();
227 /* don't set the first plugin, just all the slaves */
229 if (i != _plugins.end()) {
231 for (; i != _plugins.end(); ++i) {
232 (*i)->set_parameter (which, val);
238 PluginInsert::set_block_size (nframes_t nframes)
240 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
241 (*i)->set_block_size (nframes);
246 PluginInsert::activate ()
248 Processor::activate ();
250 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
256 PluginInsert::deactivate ()
258 Processor::deactivate ();
260 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
266 PluginInsert::connect_and_run (BufferSet& bufs, nframes_t nframes, nframes_t offset, bool with_auto, nframes_t now)
268 // Calculate if, and how many frames we need to collect for analysis
269 nframes_t collect_signal_nframes = (_signal_analysis_collect_nframes_max -
270 _signal_analysis_collected_nframes);
271 if (nframes < collect_signal_nframes) { // we might not get all frames now
272 collect_signal_nframes = nframes;
275 ChanMapping in_map(input_streams());
276 ChanMapping out_map(output_streams());
278 /* Note that we've already required that plugins
279 be able to handle in-place processing.
286 for (Controls::iterator li = data().controls().begin(); li != data().controls().end(); ++li, ++n) {
288 boost::shared_ptr<AutomationControl> c
289 = boost::dynamic_pointer_cast<AutomationControl>(li->second);
291 if (c->parameter().type() == PluginAutomation && c->automation_playback()) {
294 const float val = c->list()->rt_safe_eval (now, valid);
304 if (collect_signal_nframes > 0) {
306 //std::cerr << "collect input, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
307 //std::cerr << " streams " << input_streams().n_audio() << std::endl;
308 //std::cerr << "filling buffer with " << collect_signal_nframes << " frames at " << _signal_analysis_collected_nframes << std::endl;
310 _signal_analysis_inputs.set_count(input_streams());
312 for (uint32_t i = 0; i < input_streams().n_audio(); ++i) {
313 _signal_analysis_inputs.get_audio(i).read_from(
315 collect_signal_nframes,
316 _signal_analysis_collected_nframes); // offset is for target buffer
321 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
322 (*i)->connect_and_run(bufs, in_map, out_map, nframes, offset);
323 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
324 in_map.offset_to(*t, natural_input_streams().get(*t));
325 out_map.offset_to(*t, natural_output_streams().get(*t));
329 if (collect_signal_nframes > 0) {
331 //std::cerr << " output, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
332 //std::cerr << " streams " << output_streams().n_audio() << std::endl;
334 _signal_analysis_outputs.set_count(output_streams());
336 for (uint32_t i = 0; i < output_streams().n_audio(); ++i) {
337 _signal_analysis_outputs.get_audio(i).read_from(
339 collect_signal_nframes,
340 _signal_analysis_collected_nframes); // offset is for target buffer
343 _signal_analysis_collected_nframes += collect_signal_nframes;
344 assert(_signal_analysis_collected_nframes <= _signal_analysis_collect_nframes_max);
346 if (_signal_analysis_collected_nframes == _signal_analysis_collect_nframes_max) {
347 _signal_analysis_collect_nframes_max = 0;
348 _signal_analysis_collected_nframes = 0;
350 AnalysisDataGathered(&_signal_analysis_inputs,
351 &_signal_analysis_outputs);
354 /* leave remaining channel buffers alone */
358 PluginInsert::silence (nframes_t nframes)
360 ChanMapping in_map(input_streams());
361 ChanMapping out_map(output_streams());
364 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
365 (*i)->connect_and_run (_session.get_silent_buffers ((*i)->get_info()->n_inputs), in_map, out_map, nframes, 0);
371 PluginInsert::run (BufferSet& bufs, sframes_t /*start_frame*/, sframes_t /*end_frame*/, nframes_t nframes, bool)
373 if (_active || _pending_active) {
375 if (_session.transport_rolling()) {
376 automation_run (bufs, nframes);
378 connect_and_run (bufs, nframes, 0, false);
383 /* FIXME: type, audio only */
385 uint32_t in = _plugins[0]->get_info()->n_inputs.n_audio();
386 uint32_t out = _plugins[0]->get_info()->n_outputs.n_audio();
390 /* not active, but something has make up for any channel count increase */
392 for (uint32_t n = out - in; n < out; ++n) {
393 memcpy (bufs.get_audio(n).data(), bufs.get_audio(in - 1).data(), sizeof (Sample) * nframes);
397 bufs.count().set_audio(out);
400 _active = _pending_active;
404 PluginInsert::set_parameter (Evoral::Parameter param, float val)
406 if (param.type() != PluginAutomation)
409 /* the others will be set from the event triggered by this */
411 _plugins[0]->set_parameter (param.id(), val);
413 boost::shared_ptr<AutomationControl> ac
414 = boost::dynamic_pointer_cast<AutomationControl>(data().control(param));
419 warning << "set_parameter called for nonexistant parameter "
420 << EventTypeMap::instance().to_symbol(param) << endmsg;
423 _session.set_dirty();
427 PluginInsert::get_parameter (Evoral::Parameter param)
429 if (param.type() != PluginAutomation)
433 _plugins[0]->get_parameter (param.id());
437 PluginInsert::automation_run (BufferSet& bufs, nframes_t nframes)
439 Evoral::ControlEvent next_event (0, 0.0f);
440 nframes_t now = _session.transport_frame ();
441 nframes_t end = now + nframes;
442 nframes_t offset = 0;
444 Glib::Mutex::Lock lm (data().control_lock(), Glib::TRY_LOCK);
447 connect_and_run (bufs, nframes, offset, false);
451 if (!data().find_next_event (now, end, next_event)) {
453 /* no events have a time within the relevant range */
455 connect_and_run (bufs, nframes, offset, true, now);
461 nframes_t cnt = min (((nframes_t) ceil (next_event.when) - now), nframes);
463 connect_and_run (bufs, cnt, offset, true, now);
469 if (!data().find_next_event (now, end, next_event)) {
474 /* cleanup anything that is left to do */
477 connect_and_run (bufs, nframes, offset, true, now);
482 PluginInsert::default_parameter_value (const Evoral::Parameter& param)
484 if (param.type() != PluginAutomation)
487 if (_plugins.empty()) {
488 fatal << _("programming error: ") << X_("PluginInsert::default_parameter_value() called with no plugin")
493 return _plugins[0]->default_value (param.id());
496 boost::shared_ptr<Plugin>
497 PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other)
499 boost::shared_ptr<LadspaPlugin> lp;
501 boost::shared_ptr<LV2Plugin> lv2p;
504 boost::shared_ptr<VSTPlugin> vp;
506 #ifdef HAVE_AUDIOUNITS
507 boost::shared_ptr<AUPlugin> ap;
510 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
511 return boost::shared_ptr<Plugin> (new LadspaPlugin (*lp));
513 } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin> (other)) != 0) {
514 return boost::shared_ptr<Plugin> (new LV2Plugin (*lv2p));
517 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
518 return boost::shared_ptr<Plugin> (new VSTPlugin (*vp));
520 #ifdef HAVE_AUDIOUNITS
521 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
522 return boost::shared_ptr<Plugin> (new AUPlugin (*ap));
526 fatal << string_compose (_("programming error: %1"),
527 X_("unknown plugin type in PluginInsert::plugin_factory"))
530 return boost::shared_ptr<Plugin> ((Plugin*) 0);
534 PluginInsert::configure_io (ChanCount in, ChanCount out)
536 if (set_count (count_for_configuration (in, out)) < 0) {
540 /* if we're running replicated plugins, each plugin has
541 the same i/o configuration and we may need to announce how many
542 output streams there are.
544 if we running a single plugin, we need to configure it.
547 if (_plugins.front()->configure_io (in, out) < 0) {
551 // we don't know the analysis window size, so we must work with the
552 // current buffer size here. each request for data fills in these
553 // buffers and the analyser makes sure it gets enough data for the
555 session().ensure_buffer_set (_signal_analysis_inputs, in);
556 //_signal_analysis_inputs.set_count (in);
558 session().ensure_buffer_set (_signal_analysis_outputs, out);
559 //_signal_analysis_outputs.set_count (out);
561 // std::cerr << "set counts to i" << in.n_audio() << "/o" << out.n_audio() << std::endl;
563 return Processor::configure_io (in, out);
567 PluginInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
569 // Plugin has flexible I/O, so delegate to it
570 if (_plugins.front()->reconfigurable_io()) {
571 return _plugins.front()->can_support_io_configuration (in, out);
574 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
575 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
577 // Plugin inputs match requested inputs exactly
583 // See if replication is possible
584 // We can replicate if there exists a single factor f such that, for every type,
585 // the number of plugin inputs * f = the requested number of inputs
587 bool can_replicate = true;
588 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
589 // No inputs of this type
590 if (inputs.get(*t) == 0 && in.get(*t) == 0) {
593 // Plugin has more inputs than requested, can not replicate
594 } else if (inputs.get(*t) >= in.get(*t)) {
595 can_replicate = false;
598 // Plugin inputs is not a factor of requested inputs, can not replicate
599 } else if (inputs.get(*t) == 0 || in.get(*t) % inputs.get(*t) != 0) {
600 can_replicate = false;
603 // Potential factor not set yet
605 f = in.get(*t) / inputs.get(*t);;
608 // Factor for this type does not match another type, can not replicate
609 if (f != (in.get(*t) / inputs.get(*t))) {
610 can_replicate = false;
616 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
617 out.set (*t, outputs.get(*t) * f);
625 /* Number of plugin instances required to support a given channel configuration.
629 PluginInsert::count_for_configuration (ChanCount in, ChanCount /*out*/) const
631 if (_plugins.front()->reconfigurable_io()) {
632 /* plugin has flexible I/O, so the answer is always 1 */
633 /* this could change if we ever decide to replicate AU's */
637 // FIXME: take 'out' into consideration
639 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
640 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
642 if (inputs.n_total() == 0) {
643 /* instrument plugin, always legal, but throws away any existing streams */
647 if (inputs.n_total() == 1 && outputs == inputs
648 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
649 || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
650 /* mono plugin, replicate as needed to match in */
659 // assumes in is valid, so we must be replicating
660 if (inputs.n_total() < in.n_total()
661 && (in.n_total() % inputs.n_total() == 0)) {
663 return in.n_total() / inputs.n_total();
671 PluginInsert::get_state(void)
677 PluginInsert::state (bool full)
679 XMLNode& node = Processor::state (full);
681 node.add_property("type", _plugins[0]->state_node_name());
682 node.add_property("unique-id", _plugins[0]->unique_id());
683 node.add_property("count", string_compose("%1", _plugins.size()));
684 node.add_child_nocopy (_plugins[0]->get_state());
686 /* add port automation state */
687 XMLNode *autonode = new XMLNode(port_automation_node_name);
688 set<Evoral::Parameter> automatable = _plugins[0]->automatable();
690 for (set<Evoral::Parameter>::iterator x = automatable.begin(); x != automatable.end(); ++x) {
692 /*XMLNode* child = new XMLNode("port");
693 snprintf(buf, sizeof(buf), "%" PRIu32, *x);
694 child->add_property("number", string(buf));
696 child->add_child_nocopy (automation_list (*x).state (full));
697 autonode->add_child_nocopy (*child);
699 autonode->add_child_nocopy (((AutomationList*)data().control(*x)->list().get())->state (full));
702 node.add_child_nocopy (*autonode);
708 PluginInsert::set_state(const XMLNode& node, int version)
710 XMLNodeList nlist = node.children();
711 XMLNodeIterator niter;
712 XMLPropertyList plist;
713 const XMLProperty *prop;
714 ARDOUR::PluginType type;
716 if ((prop = node.property ("type")) == 0) {
717 error << _("XML node describing plugin is missing the `type' field") << endmsg;
721 if (prop->value() == X_("ladspa") || prop->value() == X_("Ladspa")) { /* handle old school sessions */
722 type = ARDOUR::LADSPA;
723 } else if (prop->value() == X_("lv2")) {
725 } else if (prop->value() == X_("vst")) {
727 } else if (prop->value() == X_("audiounit")) {
728 type = ARDOUR::AudioUnit;
730 error << string_compose (_("unknown plugin type %1 in plugin insert state"),
736 prop = node.property ("unique-id");
740 /* older sessions contain VST plugins with only an "id" field.
743 if (type == ARDOUR::VST) {
744 prop = node.property ("id");
750 error << _("Plugin has no unique ID field") << endmsg;
755 boost::shared_ptr<Plugin> plugin;
757 plugin = find_plugin (_session, prop->value(), type);
760 error << string_compose(_("Found a reference to a plugin (\"%1\") that is unknown.\n"
761 "Perhaps it was removed or moved since it was last used."), prop->value())
767 bool need_automatables = true;
769 if (_plugins.empty()) {
770 /* if we are adding the first plugin, we will need to set
771 up automatable controls.
773 need_automatables = true;
776 if ((prop = node.property ("count")) != 0) {
777 sscanf (prop->value().c_str(), "%u", &count);
780 if (_plugins.size() != count) {
782 _plugins.push_back (plugin);
784 for (uint32_t n = 1; n < count; ++n) {
785 _plugins.push_back (plugin_factory (plugin));
789 if (need_automatables) {
793 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
794 if ((*niter)->name() == plugin->state_node_name()) {
795 for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
796 (*i)->set_state (**niter, version);
802 if (version < 3000) {
803 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
804 if ((*niter)->name() == "Redirect") {
805 /* XXX do we need to tackle placement? i think not (pd; oct 16 2009) */
806 Processor::set_state (**niter, version);
810 set_parameter_state_2X (node, version);
812 Processor::set_state (node, version);
813 set_parameter_state (node, version);
816 // The name of the PluginInsert comes from the plugin, nothing else
817 _name = plugin->get_info()->name;
823 PluginInsert::set_parameter_state (const XMLNode& node, int version)
825 XMLNodeList nlist = node.children();
826 XMLNodeIterator niter;
828 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
830 if ((*niter)->name() != port_automation_node_name) {
836 XMLNodeConstIterator iter;
841 cnodes = (*niter)->children ("AutomationList");
843 for (iter = cnodes.begin(); iter != cnodes.end(); ++iter) {
847 /* XXX this code knows way too much about the internal details of an AutomationList state node */
849 if ((cprop = child->property("automation-id")) != 0) {
850 port = cprop->value().c_str();
852 warning << _("PluginInsert: Auto: no plugin parameter number seen") << endmsg;
856 if (sscanf (port, "parameter-%" PRIu32, &port_id) != 1) {
857 warning << _("PluginInsert: Auto: no parameter number found") << endmsg;
861 if (port_id >= _plugins[0]->parameter_count()) {
862 warning << _("PluginInsert: Auto: plugin parameter out of range") << endmsg;
866 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(
867 data().control(Evoral::Parameter(PluginAutomation, 0, port_id), true));
870 c->alist()->set_state (*child, version);
872 error << string_compose (_("PluginInsert: automatable control %1 not found - ignored"), port_id) << endmsg;
883 PluginInsert::set_parameter_state_2X (const XMLNode& node, int version)
885 XMLNodeList nlist = node.children();
886 XMLNodeIterator niter;
888 /* look for port automation node */
890 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
892 if ((*niter)->name() != port_automation_node_name) {
898 XMLNodeConstIterator iter;
903 cnodes = (*niter)->children ("port");
905 for(iter = cnodes.begin(); iter != cnodes.end(); ++iter){
909 if ((cprop = child->property("number")) != 0) {
910 port = cprop->value().c_str();
912 warning << _("PluginInsert: Auto: no ladspa port number") << endmsg;
916 sscanf (port, "%" PRIu32, &port_id);
918 if (port_id >= _plugins[0]->parameter_count()) {
919 warning << _("PluginInsert: Auto: port id out of range") << endmsg;
923 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(
924 data().control(Evoral::Parameter(PluginAutomation, 0, port_id), true));
927 if (!child->children().empty()) {
928 c->alist()->set_state (*child->children().front(), version);
931 error << string_compose (_("PluginInsert: automatable control %1 not found - ignored"), port_id) << endmsg;
943 PluginInsert::describe_parameter (Evoral::Parameter param)
945 if (param.type() != PluginAutomation)
946 return Automatable::describe_parameter(param);
948 return _plugins[0]->describe_parameter (param);
952 PluginInsert::signal_latency() const
955 return _user_latency;
958 return _plugins[0]->signal_latency ();
962 PluginInsert::type ()
964 boost::shared_ptr<LadspaPlugin> lp;
966 boost::shared_ptr<VSTPlugin> vp;
968 #ifdef HAVE_AUDIOUNITS
969 boost::shared_ptr<AUPlugin> ap;
972 PluginPtr other = plugin ();
974 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
975 return ARDOUR::LADSPA;
977 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
980 #ifdef HAVE_AUDIOUNITS
981 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
982 return ARDOUR::AudioUnit;
986 return (ARDOUR::PluginType) 0;
990 PluginInsert::PluginControl::PluginControl (PluginInsert* p, const Evoral::Parameter ¶m, boost::shared_ptr<AutomationList> list)
991 : AutomationControl (p->session(), param, list, p->describe_parameter(param))
994 Plugin::ParameterDescriptor desc;
995 p->plugin(0)->get_parameter_descriptor (param.id(), desc);
996 _logarithmic = desc.logarithmic;
997 _toggled = desc.toggled;
1001 PluginInsert::PluginControl::set_value (float val)
1003 /* FIXME: probably should be taking out some lock here.. */
1013 /*const float range = _list->get_max_y() - _list->get_min_y();
1014 const float lower = _list->get_min_y();
1016 if (!_logarithmic) {
1017 val = lower + (range * val);
1019 float log_lower = 0.0f;
1021 log_lower = log(lower);
1024 val = exp(log_lower + log(range) * val);
1029 for (Plugins::iterator i = _plugin->_plugins.begin();
1030 i != _plugin->_plugins.end(); ++i) {
1031 (*i)->set_parameter (_list->parameter().id(), val);
1034 boost::shared_ptr<Plugin> iasp = _plugin->_impulseAnalysisPlugin.lock();
1036 iasp->set_parameter (_list->parameter().id(), val);
1039 AutomationControl::set_value(val);
1043 PluginInsert::PluginControl::get_value (void) const
1045 /* FIXME: probably should be taking out some lock here.. */
1047 float val = _plugin->get_parameter (_list->parameter());
1061 return ((val - lower) / range);
1065 boost::shared_ptr<Plugin>
1066 PluginInsert::get_impulse_analysis_plugin()
1068 boost::shared_ptr<Plugin> ret;
1069 if (_impulseAnalysisPlugin.expired()) {
1070 ret = plugin_factory(_plugins[0]);
1071 _impulseAnalysisPlugin = ret;
1073 ret = _impulseAnalysisPlugin.lock();
1080 PluginInsert::collect_signal_for_analysis(nframes_t nframes)
1082 // called from outside the audio thread, so this should be safe
1083 // only do audio as analysis is (currently) only for audio plugins
1084 _signal_analysis_inputs.ensure_buffers( DataType::AUDIO, input_streams().n_audio(), nframes);
1085 _signal_analysis_outputs.ensure_buffers( DataType::AUDIO, output_streams().n_audio(), nframes);
1087 _signal_analysis_collected_nframes = 0;
1088 _signal_analysis_collect_nframes_max = nframes;