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.
22 #include <sigc++/bind.h>
24 #include <pbd/failed_constructor.h>
25 #include <pbd/xml++.h>
27 #include <ardour/plugin_insert.h>
28 #include <ardour/plugin.h>
29 #include <ardour/port.h>
30 #include <ardour/route.h>
31 #include <ardour/ladspa_plugin.h>
32 #include <ardour/buffer_set.h>
33 #include <ardour/automation_list.h>
34 #include <ardour/audio_buffer.h>
37 #include <ardour/lv2_plugin.h>
41 #include <ardour/vst_plugin.h>
44 #ifdef HAVE_AUDIOUNITS
45 #include <ardour/audio_unit.h>
48 #include <ardour/audioengine.h>
49 #include <ardour/session.h>
50 #include <ardour/types.h>
55 using namespace ARDOUR;
58 const string PluginInsert::port_automation_node_name = "PortAutomation";
60 PluginInsert::PluginInsert (Session& s, boost::shared_ptr<Plugin> plug, Placement placement)
61 : Processor (s, plug->name(), placement),
62 _signal_analysis_collected_nframes(0),
63 _signal_analysis_collect_nframes_max(0)
65 /* the first is the master */
67 _plugins.push_back (plug);
72 Glib::Mutex::Lock em (_session.engine().process_lock());
73 IO::PortCountChanged (max(input_streams(), output_streams()));
76 ProcessorCreated (this); /* EMIT SIGNAL */
79 PluginInsert::PluginInsert (Session& s, const XMLNode& node)
80 : Processor (s, "unnamed plugin insert", PreFader),
81 _signal_analysis_collected_nframes(0),
82 _signal_analysis_collect_nframes_max(0)
84 if (set_state (node)) {
85 throw failed_constructor();
88 // XXX: This would dump all automation, which has already been loaded by
89 // Processor. But this could also have been related to the Parameter change..
90 // will look into this later.
94 Glib::Mutex::Lock em (_session.engine().process_lock());
95 IO::PortCountChanged (max(input_streams(), output_streams()));
99 PluginInsert::PluginInsert (const PluginInsert& other)
100 : Processor (other._session, other._name, other.placement()),
101 _signal_analysis_collected_nframes(0),
102 _signal_analysis_collect_nframes_max(0)
104 uint32_t count = other._plugins.size();
106 /* make as many copies as requested */
107 for (uint32_t n = 0; n < count; ++n) {
108 _plugins.push_back (plugin_factory (other.plugin (n)));
113 ProcessorCreated (this); /* EMIT SIGNAL */
117 PluginInsert::set_count (uint32_t num)
119 bool require_state = !_plugins.empty();
121 /* this is a bad idea.... we shouldn't do this while active.
122 only a route holding their redirect_lock should be calling this
127 } else if (num > _plugins.size()) {
128 uint32_t diff = num - _plugins.size();
130 for (uint32_t n = 0; n < diff; ++n) {
131 _plugins.push_back (plugin_factory (_plugins[0]));
134 /* XXX do something */
138 } else if (num < _plugins.size()) {
139 uint32_t diff = _plugins.size() - num;
140 for (uint32_t n= 0; n < diff; ++n) {
149 PluginInsert::init ()
154 PluginInsert::~PluginInsert ()
156 GoingAway (); /* EMIT SIGNAL */
160 PluginInsert::auto_state_changed (Evoral::Parameter which)
162 if (which.type() != PluginAutomation)
165 boost::shared_ptr<AutomationControl> c
166 = boost::dynamic_pointer_cast<AutomationControl>(data().control (which));
168 if (c && ((AutomationList*)c->list().get())->automation_state() != Off) {
169 _plugins[0]->set_parameter (which.id(), c->list()->eval (_session.transport_frame()));
174 PluginInsert::output_streams() const
176 ChanCount out = _plugins.front()->get_info()->n_outputs;
178 if (out == ChanCount::INFINITE) {
180 return _plugins.front()->output_streams ();
184 out.set_audio (out.n_audio() * _plugins.size());
185 out.set_midi (out.n_midi() * _plugins.size());
192 PluginInsert::input_streams() const
194 ChanCount in = _plugins[0]->get_info()->n_inputs;
196 if (in == ChanCount::INFINITE) {
197 return _plugins[0]->input_streams ();
199 in.set_audio (in.n_audio() * _plugins.size());
200 in.set_midi (in.n_midi() * _plugins.size());
207 PluginInsert::natural_output_streams() const
209 return _plugins[0]->get_info()->n_outputs;
213 PluginInsert::natural_input_streams() const
215 return _plugins[0]->get_info()->n_inputs;
219 PluginInsert::is_generator() const
221 /* XXX more finesse is possible here. VST plugins have a
222 a specific "instrument" flag, for example.
225 return _plugins[0]->get_info()->n_inputs.n_audio() == 0;
229 PluginInsert::set_automatable ()
231 set<Evoral::Parameter> a = _plugins.front()->automatable ();
233 Plugin::ParameterDescriptor desc;
235 for (set<Evoral::Parameter>::iterator i = a.begin(); i != a.end(); ++i) {
236 if (i->type() == PluginAutomation) {
238 _plugins.front()->get_parameter_descriptor(i->id(), desc);
239 Evoral::Parameter param(*i);
240 param.set_range(desc.lower, desc.upper, _plugins.front()->default_value(i->id()));
241 boost::shared_ptr<AutomationList> list(new AutomationList(param));
242 add_control(boost::shared_ptr<AutomationControl>(new PluginControl(this, *i, list)));
248 PluginInsert::parameter_changed (Evoral::Parameter which, float val)
250 if (which.type() != PluginAutomation)
253 vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin();
255 /* don't set the first plugin, just all the slaves */
257 if (i != _plugins.end()) {
259 for (; i != _plugins.end(); ++i) {
260 (*i)->set_parameter (which, val);
266 PluginInsert::set_block_size (nframes_t nframes)
268 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
269 (*i)->set_block_size (nframes);
274 PluginInsert::activate ()
276 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
282 PluginInsert::deactivate ()
284 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
290 PluginInsert::connect_and_run (BufferSet& bufs, nframes_t nframes, nframes_t offset, bool with_auto, nframes_t now)
292 // Calculate if, and how many frames we need to collect for analysis
293 nframes_t collect_signal_nframes = (_signal_analysis_collect_nframes_max -
294 _signal_analysis_collected_nframes);
295 if (nframes < collect_signal_nframes) { // we might not get all frames now
296 collect_signal_nframes = nframes;
299 uint32_t in_index = 0;
300 uint32_t out_index = 0;
302 /* Note that we've already required that plugins
303 be able to handle in-place processing.
310 for (Controls::iterator li = data().controls().begin(); li != data().controls().end(); ++li, ++n) {
312 boost::shared_ptr<AutomationControl> c
313 = boost::dynamic_pointer_cast<AutomationControl>(li->second);
315 if (c->parameter().type() == PluginAutomation && c->automation_playback()) {
318 const float val = c->list()->rt_safe_eval (now, valid);
328 if (collect_signal_nframes > 0) {
330 //std::cerr << "collect input, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
331 //std::cerr << " streams " << input_streams().n_audio() << std::endl;
332 //std::cerr << "filling buffer with " << collect_signal_nframes << " frames at " << _signal_analysis_collected_nframes << std::endl;
333 for (uint32_t i = 0; i < input_streams().n_audio(); ++i) {
334 _signal_analysis_input_bufferset.get_audio(i).read_from(
336 collect_signal_nframes,
337 _signal_analysis_collected_nframes); // offset is for target buffer
341 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
342 (*i)->connect_and_run (bufs, in_index, out_index, nframes, offset);
345 if (collect_signal_nframes > 0) {
347 //std::cerr << " output, bufs " << bufs.count().n_audio() << " count, " << bufs.available().n_audio() << " available" << std::endl;
348 //std::cerr << " streams " << output_streams().n_audio() << std::endl;
349 for (uint32_t i = 0; i < output_streams().n_audio(); ++i) {
350 _signal_analysis_output_bufferset.get_audio(i).read_from(
352 collect_signal_nframes,
353 _signal_analysis_collected_nframes); // offset is for target buffer
356 _signal_analysis_collected_nframes += collect_signal_nframes;
357 assert(_signal_analysis_collected_nframes <= _signal_analysis_collect_nframes_max);
359 if (_signal_analysis_collected_nframes == _signal_analysis_collect_nframes_max) {
360 _signal_analysis_collect_nframes_max = 0;
361 _signal_analysis_collected_nframes = 0;
363 AnalysisDataGathered(&_signal_analysis_input_bufferset,
364 &_signal_analysis_output_bufferset);
367 /* leave remaining channel buffers alone */
371 PluginInsert::silence (nframes_t nframes, nframes_t offset)
373 uint32_t in_index = 0;
374 uint32_t out_index = 0;
377 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
378 (*i)->connect_and_run (_session.get_silent_buffers ((*i)->get_info()->n_inputs), in_index, out_index, nframes, offset);
384 PluginInsert::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
388 if (_session.transport_rolling()) {
389 automation_run (bufs, nframes, offset);
391 connect_and_run (bufs, nframes, offset, false);
395 /* FIXME: type, audio only */
397 uint32_t in = _plugins[0]->get_info()->n_inputs.n_audio();
398 uint32_t out = _plugins[0]->get_info()->n_outputs.n_audio();
402 /* not active, but something has make up for any channel count increase */
404 for (uint32_t n = out - in; n < out; ++n) {
405 memcpy (bufs.get_audio(n).data(nframes, offset), bufs.get_audio(in - 1).data(nframes, offset), sizeof (Sample) * nframes);
409 bufs.count().set_audio(out);
414 PluginInsert::set_parameter (Evoral::Parameter param, float val)
416 if (param.type() != PluginAutomation)
419 /* the others will be set from the event triggered by this */
421 _plugins[0]->set_parameter (param.id(), val);
423 boost::shared_ptr<AutomationControl> ac
424 = boost::dynamic_pointer_cast<AutomationControl>(data().control(param));
429 warning << "set_parameter called for nonexistant parameter "
430 << EventTypeMap::instance().to_symbol(param) << endmsg;
433 _session.set_dirty();
437 PluginInsert::get_parameter (Evoral::Parameter param)
439 if (param.type() != PluginAutomation)
443 _plugins[0]->get_parameter (param.id());
447 PluginInsert::automation_run (BufferSet& bufs, nframes_t nframes, nframes_t offset)
449 Evoral::ControlEvent next_event (0, 0.0f);
450 nframes_t now = _session.transport_frame ();
451 nframes_t end = now + nframes;
453 Glib::Mutex::Lock lm (data().control_lock(), Glib::TRY_LOCK);
456 connect_and_run (bufs, nframes, offset, false);
460 if (!data().find_next_event (now, end, next_event)) {
462 /* no events have a time within the relevant range */
464 connect_and_run (bufs, nframes, offset, true, now);
470 nframes_t cnt = min (((nframes_t) ceil (next_event.when) - now), nframes);
472 connect_and_run (bufs, cnt, offset, true, now);
478 if (!data().find_next_event (now, end, next_event)) {
483 /* cleanup anything that is left to do */
486 connect_and_run (bufs, nframes, offset, true, now);
491 PluginInsert::default_parameter_value (const Evoral::Parameter& param)
493 if (param.type() != PluginAutomation)
496 if (_plugins.empty()) {
497 fatal << _("programming error: ") << X_("PluginInsert::default_parameter_value() called with no plugin")
502 return _plugins[0]->default_value (param.id());
505 boost::shared_ptr<Plugin>
506 PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other)
508 boost::shared_ptr<LadspaPlugin> lp;
510 boost::shared_ptr<LV2Plugin> lv2p;
513 boost::shared_ptr<VSTPlugin> vp;
515 #ifdef HAVE_AUDIOUNITS
516 boost::shared_ptr<AUPlugin> ap;
519 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
520 return boost::shared_ptr<Plugin> (new LadspaPlugin (*lp));
522 } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin> (other)) != 0) {
523 return boost::shared_ptr<Plugin> (new LV2Plugin (*lv2p));
526 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
527 return boost::shared_ptr<Plugin> (new VSTPlugin (*vp));
529 #ifdef HAVE_AUDIOUNITS
530 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
531 return boost::shared_ptr<Plugin> (new AUPlugin (*ap));
535 fatal << string_compose (_("programming error: %1"),
536 X_("unknown plugin type in PluginInsert::plugin_factory"))
539 return boost::shared_ptr<Plugin> ((Plugin*) 0);
543 PluginInsert::configure_io (ChanCount in, ChanCount out)
545 if (set_count (count_for_configuration (in, out)) < 0) {
549 /* if we're running replicated plugins, each plugin has
550 the same i/o configuration and we may need to announce how many
551 output streams there are.
553 if we running a single plugin, we need to configure it.
556 if (_plugins.front()->configure_io (in, out) < 0) {
560 // we don't know the analysis window size, so we must work with the
561 // current buffer size here. each request for data fills in these
562 // buffers and the analyser makes sure it gets enough data for the
564 _signal_analysis_input_bufferset.ensure_buffers (in, session().engine().frames_per_cycle());
565 _signal_analysis_input_bufferset.set_count(in);
567 _signal_analysis_output_bufferset.ensure_buffers(out, session().engine().frames_per_cycle());
568 _signal_analysis_output_bufferset.set_count(out);
571 return Processor::configure_io (in, out);
575 PluginInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
577 if (_plugins.front()->reconfigurable_io()) {
578 /* plugin has flexible I/O, so delegate to it */
579 return _plugins.front()->can_support_io_configuration (in, out);
582 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
583 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
585 if ((inputs.n_total() == 0)
586 || (inputs.n_total() == 1 && outputs == inputs)
587 || (inputs.n_total() == 1 && outputs == inputs
588 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
589 || (inputs.n_midi() == 0 && in.n_midi() == 0)))
595 bool can_replicate = true;
597 /* if number of inputs is a factor of the requested input
598 configuration for every type, we can replicate.
600 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
601 if (inputs.get(*t) >= in.get(*t) || (inputs.get(*t) % in.get(*t) != 0)) {
602 can_replicate = false;
607 if (!can_replicate || (in.n_total() % inputs.n_total() != 0)) {
611 if (inputs.n_total() == 0) {
612 /* instrument plugin, always legal, but throws away any existing streams */
614 } else if (inputs.n_total() == 1 && outputs == inputs
615 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
616 || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
617 /* mono, single-typed plugin, replicate as needed to match in */
619 } else if (inputs == in) {
623 /* replicate - note that we've already verified that
624 the replication count is constant across all data types.
626 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
627 out.set (*t, outputs.get(*t) * (in.get(*t) / inputs.get(*t)));
634 /* Number of plugin instances required to support a given channel configuration.
638 PluginInsert::count_for_configuration (ChanCount in, ChanCount out) const
640 if (_plugins.front()->reconfigurable_io()) {
641 /* plugin has flexible I/O, so the answer is always 1 */
642 /* this could change if we ever decide to replicate AU's */
646 // FIXME: take 'out' into consideration
648 ChanCount outputs = _plugins[0]->get_info()->n_outputs;
649 ChanCount inputs = _plugins[0]->get_info()->n_inputs;
651 if (inputs.n_total() == 0) {
652 /* instrument plugin, always legal, but throws away any existing streams */
656 if (inputs.n_total() == 1 && outputs == inputs
657 && ((inputs.n_audio() == 0 && in.n_audio() == 0)
658 || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
659 /* mono plugin, replicate as needed to match in */
668 // assumes in is valid, so we must be replicating
669 if (inputs.n_total() < in.n_total()
670 && (in.n_total() % inputs.n_total() == 0)) {
672 return in.n_total() / inputs.n_total();
680 PluginInsert::get_state(void)
686 PluginInsert::state (bool full)
688 XMLNode& node = Processor::state (full);
690 node.add_property ("type", _plugins[0]->state_node_name());
691 node.add_property("unique-id", _plugins[0]->unique_id());
692 node.add_property("count", string_compose("%1", _plugins.size()));
693 node.add_child_nocopy (_plugins[0]->get_state());
695 /* add port automation state */
696 //XMLNode *autonode = new XMLNode(port_automation_node_name);
697 set<Evoral::Parameter> automatable = _plugins[0]->automatable();
699 for (set<Evoral::Parameter>::iterator x = automatable.begin(); x != automatable.end(); ++x) {
701 /*XMLNode* child = new XMLNode("port");
702 snprintf(buf, sizeof(buf), "%" PRIu32, *x);
703 child->add_property("number", string(buf));
705 child->add_child_nocopy (automation_list (*x).state (full));
706 autonode->add_child_nocopy (*child);
708 //autonode->add_child_nocopy (((AutomationList*)data().control(*x)->list().get())->state (full));
711 //node.add_child_nocopy (*autonode);
717 PluginInsert::set_state(const XMLNode& node)
719 XMLNodeList nlist = node.children();
720 XMLNodeIterator niter;
721 XMLPropertyList plist;
722 const XMLProperty *prop;
723 ARDOUR::PluginType type;
725 if ((prop = node.property ("type")) == 0) {
726 error << _("XML node describing insert is missing the `type' field") << endmsg;
730 if (prop->value() == X_("ladspa") || prop->value() == X_("Ladspa")) { /* handle old school sessions */
731 type = ARDOUR::LADSPA;
732 } else if (prop->value() == X_("lv2")) {
734 } else if (prop->value() == X_("vst")) {
737 error << string_compose (_("unknown plugin type %1 in plugin insert state"),
743 prop = node.property ("unique-id");
745 error << _("Plugin has no unique ID field") << endmsg;
749 boost::shared_ptr<Plugin> plugin;
751 plugin = find_plugin (_session, prop->value(), type);
754 error << string_compose(_("Found a reference to a plugin (\"%1\") that is unknown.\n"
755 "Perhaps it was removed or moved since it was last used."), prop->value())
762 if ((prop = node.property ("count")) != 0) {
763 sscanf (prop->value().c_str(), "%u", &count);
766 if (_plugins.size() != count) {
768 _plugins.push_back (plugin);
770 for (uint32_t n=1; n < count; ++n) {
771 _plugins.push_back (plugin_factory (plugin));
775 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
776 if ((*niter)->name() == plugin->state_node_name()) {
777 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
778 (*i)->set_state (**niter);
784 const XMLNode* insert_node = &node;
786 // legacy sessions: search for child IOProcessor node
787 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
788 if ((*niter)->name() == "IOProcessor") {
789 insert_node = *niter;
794 Processor::set_state (*insert_node);
796 /* look for port automation node */
798 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
800 if ((*niter)->name() != port_automation_node_name) {
806 XMLNodeConstIterator iter;
811 cnodes = (*niter)->children ("port");
813 for(iter = cnodes.begin(); iter != cnodes.end(); ++iter){
817 if ((cprop = child->property("number")) != 0) {
818 port = cprop->value().c_str();
820 warning << _("PluginInsert: Auto: no plugin port number") << endmsg;
824 sscanf (port, "%" PRIu32, &port_id);
826 if (port_id >= _plugins[0]->parameter_count()) {
827 warning << _("PluginInsert: Auto: port id out of range") << endmsg;
831 boost::shared_ptr<AutomationControl> c = boost::dynamic_pointer_cast<AutomationControl>(
832 data().control(Evoral::Parameter(PluginAutomation, 0, port_id), true));
834 if (!child->children().empty()) {
835 c->alist()->set_state (*child->children().front());
837 if ((cprop = child->property("auto")) != 0) {
842 sscanf (cprop->value().c_str(), "0x%x", &x);
843 c->alist()->set_automation_state (AutoState (x));
849 c->alist()->set_automation_state (Off);
860 if (niter == nlist.end()) {
861 warning << string_compose(_("XML node describing a port automation is missing the `%1' information"), port_automation_node_name) << endmsg;
864 // The name of the PluginInsert comes from the plugin, nothing else
865 _name = plugin->get_info()->name;
871 PluginInsert::describe_parameter (Evoral::Parameter param)
873 if (param.type() != PluginAutomation)
874 return Automatable::describe_parameter(param);
876 return _plugins[0]->describe_parameter (param);
880 PluginInsert::signal_latency() const
883 return _user_latency;
886 return _plugins[0]->signal_latency ();
890 PluginInsert::type ()
892 boost::shared_ptr<LadspaPlugin> lp;
894 boost::shared_ptr<VSTPlugin> vp;
896 #ifdef HAVE_AUDIOUNITS
897 boost::shared_ptr<AUPlugin> ap;
900 PluginPtr other = plugin ();
902 if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
903 return ARDOUR::LADSPA;
905 } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
908 #ifdef HAVE_AUDIOUNITS
909 } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
910 return ARDOUR::AudioUnit;
914 return (ARDOUR::PluginType) 0;
918 PluginInsert::PluginControl::PluginControl (PluginInsert* p, const Evoral::Parameter ¶m, boost::shared_ptr<AutomationList> list)
919 : AutomationControl (p->session(), param, list, p->describe_parameter(param))
922 Plugin::ParameterDescriptor desc;
923 p->plugin(0)->get_parameter_descriptor (param.id(), desc);
924 _logarithmic = desc.logarithmic;
925 _toggled = desc.toggled;
929 PluginInsert::PluginControl::set_value (float val)
931 /* FIXME: probably should be taking out some lock here.. */
941 /*const float range = _list->get_max_y() - _list->get_min_y();
942 const float lower = _list->get_min_y();
945 val = lower + (range * val);
947 float log_lower = 0.0f;
949 log_lower = log(lower);
952 val = exp(log_lower + log(range) * val);
957 for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugin->_plugins.begin();
958 i != _plugin->_plugins.end(); ++i) {
959 (*i)->set_parameter (_list->parameter().id(), val);
962 boost::shared_ptr<Plugin> iasp = _plugin->_impulseAnalysisPlugin.lock();
964 iasp->set_parameter (_list->parameter().id(), val);
967 AutomationControl::set_value(val);
971 PluginInsert::PluginControl::get_value (void) const
973 /* FIXME: probably should be taking out some lock here.. */
975 float val = _plugin->get_parameter (_list->parameter());
989 return ((val - lower) / range);
993 boost::shared_ptr<Plugin>
994 PluginInsert::get_impulse_analysis_plugin()
996 boost::shared_ptr<Plugin> ret;
997 if (_impulseAnalysisPlugin.expired()) {
998 ret = plugin_factory(_plugins[0]);
999 _impulseAnalysisPlugin = ret;
1001 ret = _impulseAnalysisPlugin.lock();